982  
FNUS51 KPBZ 091800  
FWFPBZ  
 
FIRE WEATHER PLANNING FORECAST  
NATIONAL WEATHER SERVICE PITTSBURGH PA  
100 PM EST TUE DEC 9 2025  
   
DISCUSSION
 
 
ROUNDS OF RAIN AND SNOW THROUGH THE WEEK AND INTO THE WEEKEND WILL  
KEEP PLENTY OF MOISTURE IN PLACE. WIND WILL BE GUSTY OVER THE NEXT  
COUPLE DAYS AS HIGH AS 20-25 MPH TUESDAY, 40-45 MPH ON WEDNESDAY  
(UP TO 50-60 MPH IN THE WV RIDGES), AND RELAXING SOME TO 20-30 MPH  
ON THURSDAY. WELL BELOW NORMAL TEMPERATURES WILL SETTLE IN BY THE  
WEEKEND.  
 
OHZ039-100915-  
TUSCARAWAS-  
INCLUDING THE CITIES OF NEW PHILADELPHIA AND DOVER  
100 PM EST TUE DEC 9 2025  
 
TONIGHT WED WED NIGHT THU  
 
CLOUD COVER MCLDY MCLDY MCLDY MCLDY  
PRECIP TYPE SNOW/RAIN SNOW/RAIN SNOW NONE  
CHANCE PRECIP (%) 70 100 40 0  
CHANCE OF THUNDER (%) 0 0 0 0  
TEMP (24H TREND) 31 (+21) 41 (+5) 20 30  
RH % (24H TREND) 95 (+13) 77 (+19) 90 58  
WIND 20FT/EARLY(MPH) SW 11 G21 SW 15 G28 W 12 G23 W 9 G17  
WIND 20FT/LATE(MPH) S 13 G29 SW 13 G27 NW 9 G18 W 9 G17  
PRECIP AMOUNT 0.08 0.27 0.01 0.00  
PRECIP DURATION 2 8 1  
PRECIP BEGIN 11 PM CONTINUING CONTINUING  
PRECIP END CONTINUING CONTINUING 1 AM  
MIXING HGT(M-AGL/MSL) 710 1380  
MIXING HGT(FT-AGL/MSL) 2320 4530  
TRANSPORT WND (MPH) SW 25 W 20  
VENT RATE (KT-FT) 51040 77010  
CATEGORY DAY 3 4  
INVERSION 6PM 35F/6AM NONE NONE  
DISPERSION 3 4  
MAX ADI EARLY 15 GEN POOR 45 GEN GOOD 29 FAIR 57 GEN GOOD  
MAX ADI LATE 25 FAIR 51 GEN GOOD 30 FAIR 56 GEN GOOD  
MAX LVORI EARLY 4 4 4 3  
MAX LVORI LATE 3 4 3 2  
 
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.  
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.  
 

 
 
OHZ040-100915-  
CARROLL-  
INCLUDING THE CITIES OF CARROLLTON AND MALVERN  
100 PM EST TUE DEC 9 2025  
 
TONIGHT WED WED NIGHT THU  
 
CLOUD COVER MCLDY MCLDY MCLDY MCLDY  
PRECIP TYPE SNOW/RAIN SNOW/RAIN SNOW SNOW  
CHANCE PRECIP (%) 70 100 50 20  
CHANCE OF THUNDER (%) 0 0 0 0  
TEMP (24H TREND) 30 (+20) 40 (+5) 20 28  
RH % (24H TREND) 94 (+17) 78 (+19) 90 60  
WIND 20FT/EARLY(MPH) SW 12 G21 SW 16 G29 W 13 G23 W 10 G18  
WIND 20FT/LATE(MPH) SW 14 G28 SW 14 G27 NW 11 G19 W 10 G18  
PRECIP AMOUNT 0.07 0.29 0.02 0.00  
PRECIP DURATION 2 9 1 1  
PRECIP BEGIN 11 PM CONTINUING CONTINUING 7 AM  
PRECIP END CONTINUING CONTINUING 1 AM CONTINUING  
MIXING HGT(M-AGL/MSL) 660 1320  
MIXING HGT(FT-AGL/MSL) 2180 4330  
TRANSPORT WND (MPH) W 25 W 21  
VENT RATE (KT-FT) 47960 77940  
CATEGORY DAY 3 4  
INVERSION NONE NONE NONE NONE  
DISPERSION 3 4  
MAX ADI EARLY 15 GEN POOR 44 GEN GOOD 31 FAIR 56 GEN GOOD  
MAX ADI LATE 25 FAIR 49 GEN GOOD 31 FAIR 59 GEN GOOD  
MAX LVORI EARLY 4 4 4 3  
MAX LVORI LATE 4 4 4 2  
 
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.  
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.  
 

 
 
OHZ041-100915-  
COLUMBIANA-  
INCLUDING THE CITIES OF EAST LIVERPOOL, SALEM, AND COLUMBIANA  
100 PM EST TUE DEC 9 2025  
 
TONIGHT WED WED NIGHT THU  
 
CLOUD COVER MCLDY MCLDY MCLDY MCLDY  
PRECIP TYPE SNOW/RAIN SNOW/RAIN SNOW SNOW  
CHANCE PRECIP (%) 70 100 70 30  
CHANCE OF THUNDER (%) 0 0 0 0  
TEMP (24H TREND) 29 (+19) 39 (+5) 20 28  
RH % (24H TREND) 94 (+24) 79 (+19) 91 63  
WIND 20FT/EARLY(MPH) SW 11 G22 SW 15 G30 W 12 G23 W 10 G19  
WIND 20FT/LATE(MPH) SW 13 G29 SW 14 G27 NW 10 G18 W 11 G19  
PRECIP AMOUNT 0.07 0.27 0.03 0.00  
PRECIP DURATION 2 10 6 2  
PRECIP BEGIN 12 AM CONTINUING CONTINUING CONTINUING  
PRECIP END CONTINUING CONTINUING CONTINUING CONTINUING  
MIXING HGT(M-AGL/MSL) 660 1310  
MIXING HGT(FT-AGL/MSL) 2170 4290  
TRANSPORT WND (MPH) W 24 W 23  
VENT RATE (KT-FT) 45570 85800  
CATEGORY DAY 3 4  
INVERSION 6PM 34F/6AM NONE NONE  
DISPERSION 3 4  
MAX ADI EARLY 16 GEN POOR 43 GEN GOOD 32 FAIR 57 GEN GOOD  
MAX ADI LATE 26 FAIR 50 GEN GOOD 31 FAIR 62 GOOD  
MAX LVORI EARLY 3 4 4 3  
MAX LVORI LATE 4 4 4 2  
 
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.  
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.  
 

 
 
OHZ048-100915-  
COSHOCTON-  
INCLUDING THE CITY OF COSHOCTON  
100 PM EST TUE DEC 9 2025  
 
TONIGHT WED WED NIGHT THU  
 
CLOUD COVER MCLDY MCLDY MCLDY MCLDY  
PRECIP TYPE SNOW/RAIN SNOW/RAIN SNOW NONE  
CHANCE PRECIP (%) 60 100 30 0  
CHANCE OF THUNDER (%) 0 0 0 0  
TEMP (24H TREND) 31 (+21) 41 (+5) 20 30  
RH % (24H TREND) 97 (+16) 78 (+19) 89 59  
WIND 20FT/EARLY(MPH) SW 10 G20 SW 14 G27 NW 10 G23 W 7  
WIND 20FT/LATE(MPH) SW 12 G27 W 12 G25 NW 8 G17 W 8  
PRECIP AMOUNT 0.07 0.22 0.01 0.00  
PRECIP DURATION 2 7 1  
PRECIP BEGIN 10 PM CONTINUING CONTINUING  
PRECIP END CONTINUING CONTINUING 1 AM  
MIXING HGT(M-AGL/MSL) 790 1420  
MIXING HGT(FT-AGL/MSL) 2610 4650  
TRANSPORT WND (MPH) W 28 W 17  
VENT RATE (KT-FT) 62640 69750  
CATEGORY DAY 4 4  
INVERSION 6PM 36F/6AM NONE NONE  
DISPERSION 4 4  
MAX ADI EARLY 15 GEN POOR 50 GEN GOOD 27 FAIR 54 GEN GOOD  
MAX ADI LATE 24 FAIR 60 GEN GOOD 26 FAIR 52 GEN GOOD  
MAX LVORI EARLY 4 4 4 3  
MAX LVORI LATE 4 4 3 2  
 
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.  
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.  
 

 
 
OHZ049-100915-  
HARRISON-  
INCLUDING THE CITY OF CADIZ  
100 PM EST TUE DEC 9 2025  
 
TONIGHT WED WED NIGHT THU  
 
CLOUD COVER MCLDY MCLDY MCLDY MCLDY  
PRECIP TYPE SNOW/RAIN SNOW/RAIN SNOW SNOW  
CHANCE PRECIP (%) 60 100 60 20  
CHANCE OF THUNDER (%) 0 0 0 0  
TEMP (24H TREND) 30 (+19) 41 (+5) 20 30  
RH % (24H TREND) 92 (+7) 75 (+19) 90 56  
WIND 20FT/EARLY(MPH) SW 11 G21 SW 15 G31 W 12 G24 W 9 G18  
WIND 20FT/LATE(MPH) SW 13 G29 SW 13 G29 NW 10 G19 W 9 G18  
PRECIP AMOUNT 0.04 0.29 0.02 0.00  
PRECIP DURATION 2 9 2 1  
PRECIP BEGIN 11 PM CONTINUING CONTINUING 7 AM  
PRECIP END CONTINUING CONTINUING 1 AM CONTINUING  
MIXING HGT(M-AGL/MSL) 760 1370  
MIXING HGT(FT-AGL/MSL) 2480 4510  
TRANSPORT WND (MPH) W 26 W 20  
VENT RATE (KT-FT) 57040 76670  
CATEGORY DAY 4 4  
INVERSION 6PM 36F/6AM NONE NONE  
DISPERSION 4 4  
MAX ADI EARLY 15 GEN POOR 40 FAIR 31 FAIR 54 GEN GOOD  
MAX ADI LATE 24 FAIR 55 GEN GOOD 30 FAIR 56 GEN GOOD  
MAX LVORI EARLY 4 4 4 3  
MAX LVORI LATE 3 4 4 1  
 
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.  
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.  
 

 
 
OHZ050-100915-  
JEFFERSON OH-  
INCLUDING THE CITY OF STEUBENVILLE  
100 PM EST TUE DEC 9 2025  
 
TONIGHT WED WED NIGHT THU  
 
CLOUD COVER MCLDY MCLDY MCLDY MCLDY  
PRECIP TYPE SNOW/RAIN SNOW/RAIN SNOW SNOW  
CHANCE PRECIP (%) 60 100 70 20  
CHANCE OF THUNDER (%) 0 0 0 0  
TEMP (24H TREND) 31 (+19) 40 (+4) 21 29  
RH % (24H TREND) 90 (+15) 72 (+18) 87 56  
WIND 20FT/EARLY(MPH) SW 11 G21 SW 15 G31 W 12 G23 W 10 G19  
WIND 20FT/LATE(MPH) SW 13 G29 SW 14 G29 W 11 G19 W 10 G19  
PRECIP AMOUNT 0.03 0.27 0.03 0.00  
PRECIP DURATION 2 9 6 1  
PRECIP BEGIN 12 AM CONTINUING CONTINUING CONTINUING  
PRECIP END CONTINUING CONTINUING CONTINUING CONTINUING  
MIXING HGT(M-AGL/MSL) 730 1350  
MIXING HGT(FT-AGL/MSL) 2380 4420  
TRANSPORT WND (MPH) SW 25 W 20  
VENT RATE (KT-FT) 52360 75140  
CATEGORY DAY 4 4  
INVERSION NONE NONE NONE NONE  
DISPERSION 4 4  
MAX ADI EARLY 15 GEN POOR 42 GEN GOOD 31 FAIR 54 GEN GOOD  
MAX ADI LATE 28 FAIR 51 GEN GOOD 30 FAIR 59 GEN GOOD  
MAX LVORI EARLY 3 4 4 3  
MAX LVORI LATE 3 4 3 1  
 
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.  
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.  
 

 
 
OHZ057-100915-  
MUSKINGUM-  
INCLUDING THE CITY OF ZANESVILLE  
100 PM EST TUE DEC 9 2025  
 
TONIGHT WED WED NIGHT THU  
 
CLOUD COVER MCLDY MCLDY MCLDY MCLDY  
PRECIP TYPE RAIN SNOW/RAIN SNOW NONE  
CHANCE PRECIP (%) 40 100 30 0  
CHANCE OF THUNDER (%) 0 0 0 0  
TEMP (24H TREND) 31 (+22) 41 (+4) 21 31  
RH % (24H TREND) 94 (+8) 72 (+14) 88 58  
WIND 20FT/EARLY(MPH) SW 9 G19 SW 14 G27 W 10 G24 W 7  
WIND 20FT/LATE(MPH) SW 12 G27 W 13 G26 NW 7 G17 W 8  
PRECIP AMOUNT 0.03 0.22 0.01 0.00  
PRECIP DURATION 1 6 1  
PRECIP BEGIN 12 AM CONTINUING CONTINUING  
PRECIP END CONTINUING CONTINUING 1 AM  
MIXING HGT(M-AGL/MSL) 890 1380  
MIXING HGT(FT-AGL/MSL) 2910 4520  
TRANSPORT WND (MPH) W 28 W 17  
VENT RATE (KT-FT) 69840 67800  
CATEGORY DAY 4 4  
INVERSION 6PM 37F/6AM 7PM 24F/4AM  
DISPERSION 4 4  
MAX ADI EARLY 14 GEN POOR 56 GEN GOOD 31 FAIR 54 GEN GOOD  
MAX ADI LATE 23 FAIR 64 GOOD 26 FAIR 52 GEN GOOD  
MAX LVORI EARLY 4 4 4 3  
MAX LVORI LATE 4 4 3 2  
 
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.  
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.  
 

 
 
OHZ058-100915-  
GUERNSEY-  
INCLUDING THE CITY OF CAMBRIDGE  
100 PM EST TUE DEC 9 2025  
 
TONIGHT WED WED NIGHT THU  
 
CLOUD COVER MCLDY MCLDY MCLDY MCLDY  
PRECIP TYPE RAIN SNOW/RAIN SNOW NONE  
CHANCE PRECIP (%) 50 100 40 0  
CHANCE OF THUNDER (%) 0 0 0 0  
TEMP (24H TREND) 31 (+22) 42 (+5) 21 31  
RH % (24H TREND) 92 (0) 74 (+18) 92 56  
WIND 20FT/EARLY(MPH) S 9 G20 SW 13 G29 W 9 G23 W 7  
WIND 20FT/LATE(MPH) S 10 G27 SW 12 G27 NW 7 G17 W 8  
PRECIP AMOUNT 0.03 0.25 0.01 0.00  
PRECIP DURATION 1 7 1  
PRECIP BEGIN 11 PM CONTINUING CONTINUING  
PRECIP END CONTINUING CONTINUING 1 AM  
MIXING HGT(M-AGL/MSL) 820 1420  
MIXING HGT(FT-AGL/MSL) 2690 4660  
TRANSPORT WND (MPH) W 26 W 17  
VENT RATE (KT-FT) 61870 69900  
CATEGORY DAY 4 4  
INVERSION 6PM 37F/6AM 7PM 24F/4AM  
DISPERSION 4 4  
MAX ADI EARLY 14 GEN POOR 41 GEN GOOD 31 FAIR 56 GEN GOOD  
MAX ADI LATE 23 FAIR 59 GEN GOOD 27 FAIR 52 GEN GOOD  
MAX LVORI EARLY 4 4 4 4  
MAX LVORI LATE 4 4 4 1  
 
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.  
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.  
 

 
 
OHZ059-100915-  
BELMONT-  
INCLUDING THE CITIES OF MARTINS FERRY AND ST. CLAIRSVILLE  
100 PM EST TUE DEC 9 2025  
 
TONIGHT WED WED NIGHT THU  
 
CLOUD COVER MCLDY MCLDY MCLDY MCLDY  
PRECIP TYPE RAIN SNOW/RAIN SNOW SNOW  
CHANCE PRECIP (%) 40 100 60 10  
CHANCE OF THUNDER (%) 0 0 0 0  
TEMP (24H TREND) 31 (+19) 42 (+5) 21 31  
RH % (24H TREND) 90 (+3) 69 (+13) 94 56  
WIND 20FT/EARLY(MPH) SW 10 G22 SW 15 G31 W 11 G25 W 9 G18  
WIND 20FT/LATE(MPH) SW 13 G30 SW 14 G29 W 10 G19 W 9 G18  
PRECIP AMOUNT 0.02 0.30 0.03 0.00  
PRECIP DURATION 1 8 6 1  
PRECIP BEGIN 1 AM CONTINUING CONTINUING CONTINUING  
PRECIP END CONTINUING CONTINUING CONTINUING CONTINUING  
MIXING HGT(M-AGL/MSL) 730 1400  
MIXING HGT(FT-AGL/MSL) 2390 4610  
TRANSPORT WND (MPH) W 25 W 20  
VENT RATE (KT-FT) 52580 78370  
CATEGORY DAY 4 4  
INVERSION 6PM 37F/7AM NONE NONE  
DISPERSION 4 4  
MAX ADI EARLY 16 GEN POOR 42 GEN GOOD 27 FAIR 55 GEN GOOD  
MAX ADI LATE 23 FAIR 51 GEN GOOD 29 FAIR 56 GEN GOOD  
MAX LVORI EARLY 3 4 4 3  
MAX LVORI LATE 3 4 4 1  
 
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.  
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.  
 

 
 
OHZ068-100915-  
NOBLE-  
INCLUDING THE CITY OF CALDWELL  
100 PM EST TUE DEC 9 2025  
 
TONIGHT WED WED NIGHT THU  
 
CLOUD COVER MCLDY MCLDY MCLDY MCLDY  
PRECIP TYPE RAIN SNOW/RAIN SNOW NONE  
CHANCE PRECIP (%) 30 90 50 0  
CHANCE OF THUNDER (%) 0 0 0 0  
TEMP (24H TREND) 31 (+20) 42 (+4) 22 31  
RH % (24H TREND) 89 (-4) 70 (+13) 93 56  
WIND 20FT/EARLY(MPH) S 8 G20 SW 13 G29 W 9 G24 W 7  
WIND 20FT/LATE(MPH) S 10 G27 SW 12 G27 NW 8 G17 W 8  
PRECIP AMOUNT 0.01 0.25 0.02 0.00  
PRECIP DURATION 0 6 1  
PRECIP BEGIN 1 AM CONTINUING CONTINUING  
PRECIP END CONTINUING CONTINUING 1 AM  
MIXING HGT(M-AGL/MSL) 800 1400  
MIXING HGT(FT-AGL/MSL) 2630 4610  
TRANSPORT WND (MPH) W 25 W 17  
VENT RATE (KT-FT) 57860 69150  
CATEGORY DAY 4 4  
INVERSION 6PM 37F/7AM 7PM 25F/4AM  
DISPERSION 4 4  
MAX ADI EARLY 14 GEN POOR 42 GEN GOOD 27 FAIR 54 GEN GOOD  
MAX ADI LATE 22 FAIR 53 GEN GOOD 28 FAIR 52 GEN GOOD  
MAX LVORI EARLY 4 4 4 3  
MAX LVORI LATE 3 4 4 1  
 
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.  
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.  
 

 
 
OHZ069-100915-  
MONROE-  
INCLUDING THE CITY OF WOODSFIELD  
100 PM EST TUE DEC 9 2025  
 
TONIGHT WED WED NIGHT THU  
 
CLOUD COVER MCLDY MCLDY MCLDY MCLDY  
PRECIP TYPE RAIN SNOW/RAIN SNOW NONE  
CHANCE PRECIP (%) 30 100 60 0  
CHANCE OF THUNDER (%) 0 0 0 0  
TEMP (24H TREND) 31 (+18) 42 (+4) 22 31  
RH % (24H TREND) 85 (-3) 68 (+12) 94 56  
WIND 20FT/EARLY(MPH) SW 8 G21 SW 12 G30 W 9 G25 W 7 G17  
WIND 20FT/LATE(MPH) S 10 G28 SW 11 G28 W 8 G18 W 8 G17  
PRECIP AMOUNT 0.00 0.28 0.03 0.00  
PRECIP DURATION 0 7 2  
PRECIP BEGIN 1 AM CONTINUING CONTINUING  
PRECIP END CONTINUING CONTINUING 1 AM  
MIXING HGT(M-AGL/MSL) 740 1430  
MIXING HGT(FT-AGL/MSL) 2430 4700  
TRANSPORT WND (MPH) SW 23 W 18  
VENT RATE (KT-FT) 48600 75200  
CATEGORY DAY 3 4  
INVERSION 6PM 38F/7AM 7PM 25F/4AM  
DISPERSION 3 4  
MAX ADI EARLY 14 GEN POOR 42 GEN GOOD 23 FAIR 54 GEN GOOD  
MAX ADI LATE 21 FAIR 53 GEN GOOD 23 FAIR 55 GEN GOOD  
MAX LVORI EARLY 3 4 5 3  
MAX LVORI LATE 3 4 4 1  
 
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.  
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.  
 

 
 
PAZ007-100915-  
MERCER-  
INCLUDING THE CITIES OF SHARON, HERMITAGE, AND GROVE CITY  
100 PM EST TUE DEC 9 2025  
 
TONIGHT WED WED NIGHT THU  
 
CLOUD COVER MCLDY MCLDY MCLDY MCLDY  
PRECIP TYPE SNOW/FZ RA SNOW/RAIN SNOW SNOW  
CHANCE PRECIP (%) 90 100 90 60  
CHANCE OF THUNDER (%) 0 0 0 0  
TEMP (24H TREND) 27 (+21) 38 (+5) 19 27  
RH % (24H TREND) 98 (+17) 86 (+27) 98 71  
WIND 20FT/EARLY(MPH) SW 11 G19 SW 15 G26 W 13 G22 W 11 G19  
WIND 20FT/LATE(MPH) S 13 G25 SW 13 G26 W 11 W 12 G21  
PRECIP AMOUNT 0.19 0.31 0.05 0.02  
PRECIP DURATION 4 9 8 6  
PRECIP BEGIN 12 AM CONTINUING CONTINUING CONTINUING  
PRECIP END CONTINUING CONTINUING CONTINUING CONTINUING  
MIXING HGT(M-AGL/MSL) 620 1070  
MIXING HGT(FT-AGL/MSL) 2040 3520  
TRANSPORT WND (MPH) W 25 W 24  
VENT RATE (KT-FT) 44880 73920  
CATEGORY DAY 3 4  
INVERSION 6PM 33F/8AM NONE NONE  
DISPERSION 3 4  
MAX ADI EARLY 16 GEN POOR 41 GEN GOOD 28 FAIR 56 GEN GOOD  
MAX ADI LATE 23 FAIR 47 GEN GOOD 29 FAIR 63 GOOD  
MAX LVORI EARLY 4 4 5 4  
MAX LVORI LATE 5 4 4 3  
 
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.  
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.  
 

 
 
PAZ008-100915-  
VENANGO-  
INCLUDING THE CITIES OF OIL CITY AND FRANKLIN  
100 PM EST TUE DEC 9 2025  
 
TONIGHT WED WED NIGHT THU  
 
CLOUD COVER MCLDY MCLDY MCLDY MCLDY  
PRECIP TYPE SNOW SNOW/RAIN SNOW SNOW  
CHANCE PRECIP (%) 90 100 90 60  
CHANCE OF THUNDER (%) 0 0 0 0  
TEMP (24H TREND) 26 (+20) 37 (+5) 19 26  
RH % (24H TREND) 100 (+16) 88 (+31) 97 76  
WIND 20FT/EARLY(MPH) SW 9 G19 SW 13 G25 W 10 G22 W 10 G20  
WIND 20FT/LATE(MPH) S 10 G24 SW 11 G24 W 10 G19 W 10 G21  
PRECIP AMOUNT 0.20 0.38 0.07 0.04  
PRECIP DURATION 4 10 8 6  
PRECIP BEGIN 12 AM CONTINUING CONTINUING CONTINUING  
PRECIP END CONTINUING CONTINUING CONTINUING CONTINUING  
MIXING HGT(M-AGL/MSL) 600 1170  
MIXING HGT(FT-AGL/MSL) 1970 3830  
TRANSPORT WND (MPH) W 24 W 26  
VENT RATE (KT-FT) 41370 88090  
CATEGORY DAY 3 4  
INVERSION 6PM 32F/8AM NONE NONE  
DISPERSION 3 4  
MAX ADI EARLY 15 GEN POOR 38 FAIR 27 FAIR 65 GOOD  
MAX ADI LATE 19 GEN POOR 43 GEN GOOD 29 FAIR 68 GOOD  
MAX LVORI EARLY 4 5 5 4  
MAX LVORI LATE 5 4 4 3  
 
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.  
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.  
 

 
 
PAZ009-100915-  
FOREST-  
INCLUDING THE CITY OF TIONESTA  
100 PM EST TUE DEC 9 2025  
 
TONIGHT WED WED NIGHT THU  
 
CLOUD COVER MCLDY MCLDY MCLDY MCLDY  
PRECIP TYPE SNOW SNOW SNOW SNOW  
CHANCE PRECIP (%) 90 100 90 60  
CHANCE OF THUNDER (%) 0 0 0 0  
TEMP (24H TREND) 25 (+22) 37 (+5) 18 26  
RH % (24H TREND) 98 (+13) 85 (+31) 94 72  
WIND 20FT/EARLY(MPH) SW 7 G19 SW 10 G25 W 9 G21 W 8 G21  
WIND 20FT/LATE(MPH) S 7 G24 SW 9 G24 W 8 G20 W 9 G21  
PRECIP AMOUNT 0.17 0.40 0.07 0.05  
PRECIP DURATION 4 10 11 6  
PRECIP BEGIN 1 AM CONTINUING CONTINUING CONTINUING  
PRECIP END CONTINUING CONTINUING CONTINUING CONTINUING  
MIXING HGT(M-AGL/MSL) 610 1220  
MIXING HGT(FT-AGL/MSL) 2010 3990  
TRANSPORT WND (MPH) W 23 W 29  
VENT RATE (KT-FT) 40200 99750  
CATEGORY DAY 3 4  
INVERSION 7PM 31F/7AM NONE NONE  
DISPERSION 3 4  
MAX ADI EARLY 17 GEN POOR 40 FAIR 27 FAIR 79 GOOD  
MAX ADI LATE 19 GEN POOR 43 GEN GOOD 27 FAIR 78 GOOD  
MAX LVORI EARLY 4 4 4 4  
MAX LVORI LATE 5 4 4 3  
 
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.  
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.  
 

 
 
PAZ013-100915-  
LAWRENCE-  
INCLUDING THE CITIES OF NEW CASTLE AND ELLWOOD CITY  
100 PM EST TUE DEC 9 2025  
 
TONIGHT WED WED NIGHT THU  
 
CLOUD COVER MCLDY MCLDY MCLDY MCLDY  
PRECIP TYPE SNOW/FZ RA SNOW/RAIN SNOW SNOW  
CHANCE PRECIP (%) 70 100 90 50  
CHANCE OF THUNDER (%) 0 0 0 0  
TEMP (24H TREND) 27 (+22) 39 (+5) 19 28  
RH % (24H TREND) 96 (+16) 83 (+23) 97 66  
WIND 20FT/EARLY(MPH) S 9 G18 SW 14 G26 W 11 G22 W 10 G18  
WIND 20FT/LATE(MPH) S 11 G25 SW 12 G24 NW 10 G18 W 11 G19  
PRECIP AMOUNT 0.08 0.24 0.03 0.01  
PRECIP DURATION 3 9 8 2  
PRECIP BEGIN 12 AM CONTINUING CONTINUING CONTINUING  
PRECIP END CONTINUING CONTINUING CONTINUING CONTINUING  
MIXING HGT(M-AGL/MSL) 660 1220  
MIXING HGT(FT-AGL/MSL) 2180 4000  
TRANSPORT WND (MPH) SW 24 W 25  
VENT RATE (KT-FT) 45780 88000  
CATEGORY DAY 3 4  
INVERSION 7PM 33F/4AM NONE NONE  
DISPERSION 3 4  
MAX ADI EARLY 14 GEN POOR 41 GEN GOOD 36 FAIR 61 GOOD  
MAX ADI LATE 23 FAIR 47 GEN GOOD 33 FAIR 67 GOOD  
MAX LVORI EARLY 4 4 4 4  
MAX LVORI LATE 4 4 4 3  
 
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.  
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.  
 

 
 
PAZ014-100915-  
BUTLER-  
INCLUDING THE CITY OF BUTLER  
100 PM EST TUE DEC 9 2025  
 
TONIGHT WED WED NIGHT THU  
 
CLOUD COVER MCLDY MCLDY MCLDY MCLDY  
PRECIP TYPE SNOW/FZ RA SNOW/RAIN SNOW SNOW  
CHANCE PRECIP (%) 70 100 90 50  
CHANCE OF THUNDER (%) 0 0 0 0  
TEMP (24H TREND) 27 (+20) 39 (+5) 19 28  
RH % (24H TREND) 97 (+17) 82 (+22) 98 69  
WIND 20FT/EARLY(MPH) SW 9 G18 SW 13 G26 W 11 G23 W 10 G19  
WIND 20FT/LATE(MPH) S 10 G24 SW 12 G24 W 10 G19 W 11 G20  
PRECIP AMOUNT 0.07 0.28 0.04 0.01  
PRECIP DURATION 3 10 8 2  
PRECIP BEGIN 12 AM CONTINUING CONTINUING CONTINUING  
PRECIP END CONTINUING CONTINUING CONTINUING CONTINUING  
MIXING HGT(M-AGL/MSL) 630 1270  
MIXING HGT(FT-AGL/MSL) 2080 4160  
TRANSPORT WND (MPH) W 24 W 25  
VENT RATE (KT-FT) 43680 91520  
CATEGORY DAY 3 4  
INVERSION 6PM 33F/6AM NONE NONE  
DISPERSION 3 4  
MAX ADI EARLY 14 GEN POOR 38 FAIR 33 FAIR 63 GOOD  
MAX ADI LATE 22 FAIR 45 GEN GOOD 33 FAIR 70 GOOD  
MAX LVORI EARLY 4 4 5 4  
MAX LVORI LATE 4 4 4 3  
 
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.  
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.  
 

 
 
PAZ015-100915-  
CLARION-  
INCLUDING THE CITY OF CLARION  
100 PM EST TUE DEC 9 2025  
 
TONIGHT WED WED NIGHT THU  
 
CLOUD COVER MCLDY MCLDY MCLDY MCLDY  
PRECIP TYPE SNOW SNOW/RAIN SNOW SNOW  
CHANCE PRECIP (%) 80 100 90 60  
CHANCE OF THUNDER (%) 0 0 0 0  
TEMP (24H TREND) 27 (+21) 37 (+5) 19 26  
RH % (24H TREND) 97 (+20) 84 (+25) 94 71  
WIND 20FT/EARLY(MPH) SW 8 G19 SW 11 G27 W 10 G23 W 10 G21  
WIND 20FT/LATE(MPH) S 9 G24 SW 11 G25 W 9 G20 W 10 G21  
PRECIP AMOUNT 0.12 0.37 0.05 0.03  
PRECIP DURATION 3 10 8 6  
PRECIP BEGIN 1 AM CONTINUING CONTINUING CONTINUING  
PRECIP END CONTINUING CONTINUING CONTINUING CONTINUING  
MIXING HGT(M-AGL/MSL) 570 1170  
MIXING HGT(FT-AGL/MSL) 1880 3840  
TRANSPORT WND (MPH) SW 23 W 26  
VENT RATE (KT-FT) 37600 88320  
CATEGORY DAY 3 4  
INVERSION 6PM 32F/6AM NONE NONE  
DISPERSION 3 4  
MAX ADI EARLY 15 GEN POOR 37 FAIR 27 FAIR 68 GOOD  
MAX ADI LATE 19 GEN POOR 40 FAIR 31 FAIR 71 GOOD  
MAX LVORI EARLY 4 4 4 4  
MAX LVORI LATE 4 4 4 3  
 
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.  
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.  
 

 
 
PAZ016-100915-  
JEFFERSON PA-  
INCLUDING THE CITIES OF PUNXSUTAWNEY AND BROOKVILLE  
100 PM EST TUE DEC 9 2025  
 
TONIGHT WED WED NIGHT THU  
 
CLOUD COVER MCLDY MCLDY MCLDY MCLDY  
PRECIP TYPE SNOW SNOW/RAIN SNOW SNOW  
CHANCE PRECIP (%) 70 100 90 50  
CHANCE OF THUNDER (%) 0 0 0 0  
TEMP (24H TREND) 27 (+21) 37 (+5) 19 25  
RH % (24H TREND) 94 (+22) 79 (+24) 92 69  
WIND 20FT/EARLY(MPH) SW 9 G19 SW 12 G27 W 12 G23 W 11 G23  
WIND 20FT/LATE(MPH) SW 9 G24 SW 12 G26 W 11 G21 W 12 G23  
PRECIP AMOUNT 0.09 0.39 0.05 0.02  
PRECIP DURATION 3 10 8 2  
PRECIP BEGIN 1 AM CONTINUING CONTINUING CONTINUING  
PRECIP END CONTINUING CONTINUING CONTINUING CONTINUING  
MIXING HGT(M-AGL/MSL) 560 1230  
MIXING HGT(FT-AGL/MSL) 1830 4050  
TRANSPORT WND (MPH) SW 25 W 29  
VENT RATE (KT-FT) 40260 101250  
CATEGORY DAY 3 4  
INVERSION 6PM 32F/5AM NONE NONE  
DISPERSION 3 4  
MAX ADI EARLY 15 GEN POOR 41 GEN GOOD 31 FAIR 73 GOOD  
MAX ADI LATE 20 GEN POOR 44 GEN GOOD 31 FAIR 79 GOOD  
MAX LVORI EARLY 4 4 4 3  
MAX LVORI LATE 4 4 4 3  
 
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.  
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.  
 

 
 
PAZ020-100915-  
BEAVER-  
INCLUDING THE CITIES OF ALIQUIPPA, BEAVER FALLS, AMBRIDGE,  
AND MONACA  
100 PM EST TUE DEC 9 2025  
 
TONIGHT WED WED NIGHT THU  
 
CLOUD COVER MCLDY MCLDY MCLDY MCLDY  
PRECIP TYPE SNOW/RAIN SNOW/RAIN SNOW SNOW  
CHANCE PRECIP (%) 70 100 80 30  
CHANCE OF THUNDER (%) 0 0 0 0  
TEMP (24H TREND) 30 (+19) 40 (+5) 21 28  
RH % (24H TREND) 94 (+22) 76 (+20) 92 61  
WIND 20FT/EARLY(MPH) SW 9 G19 SW 14 G28 W 11 G22 W 9 G19  
WIND 20FT/LATE(MPH) S 10 G27 SW 12 G27 W 9 G19 W 10 G19  
PRECIP AMOUNT 0.04 0.26 0.04 0.00  
PRECIP DURATION 3 9 8 2  
PRECIP BEGIN 12 AM CONTINUING CONTINUING CONTINUING  
PRECIP END CONTINUING CONTINUING CONTINUING CONTINUING  
MIXING HGT(M-AGL/MSL) 670 1370  
MIXING HGT(FT-AGL/MSL) 2200 4510  
TRANSPORT WND (MPH) W 24 W 23  
VENT RATE (KT-FT) 46200 90200  
CATEGORY DAY 3 4  
INVERSION 6PM 35F/4AM NONE NONE  
DISPERSION 3 4  
MAX ADI EARLY 14 GEN POOR 42 GEN GOOD 34 FAIR 59 GEN GOOD  
MAX ADI LATE 23 FAIR 47 GEN GOOD 32 FAIR 67 GOOD  
MAX LVORI EARLY 4 4 4 3  
MAX LVORI LATE 4 4 4 2  
 
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.  
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.  
 

 
 
PAZ021-100915-  
ALLEGHENY-  
INCLUDING THE CITY OF PITTSBURGH METRO AREA  
100 PM EST TUE DEC 9 2025  
 
TONIGHT WED WED NIGHT THU  
 
CLOUD COVER MCLDY MCLDY MCLDY MCLDY  
PRECIP TYPE SNOW/RAIN SNOW/RAIN SNOW SNOW  
CHANCE PRECIP (%) 50 100 90 30  
CHANCE OF THUNDER (%) 0 0 0 0  
TEMP (24H TREND) 30 (+19) 41 (+5) 22 29  
RH % (24H TREND) 90 (+16) 71 (+16) 94 60  
WIND 20FT/EARLY(MPH) SW 10 G19 SW 16 G29 W 13 G23 W 12 G20  
WIND 20FT/LATE(MPH) SW 11 G27 SW 15 G28 W 11 G20 W 12 G20  
PRECIP AMOUNT 0.01 0.22 0.03 0.00  
PRECIP DURATION 2 9 8 2  
PRECIP BEGIN 1 AM CONTINUING CONTINUING CONTINUING  
PRECIP END CONTINUING CONTINUING CONTINUING CONTINUING  
MIXING HGT(M-AGL/MSL) 710 1390  
MIXING HGT(FT-AGL/MSL) 2330 4570  
TRANSPORT WND (MPH) W 24 W 23  
VENT RATE (KT-FT) 48930 91400  
CATEGORY DAY 3 4  
INVERSION 6PM 36F/7AM NONE NONE  
DISPERSION 3 4  
MAX ADI EARLY 14 GEN POOR 44 GEN GOOD 30 FAIR 60 GEN GOOD  
MAX ADI LATE 20 GEN POOR 49 GEN GOOD 30 FAIR 67 GOOD  
MAX LVORI EARLY 4 4 4 3  
MAX LVORI LATE 4 4 4 2  
 
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.  
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.  
 

 
 
PAZ022-100915-  
ARMSTRONG-  
INCLUDING THE CITIES OF KITTANNING AND FORD CITY  
100 PM EST TUE DEC 9 2025  
 
TONIGHT WED WED NIGHT THU  
 
CLOUD COVER MCLDY MCLDY MCLDY MCLDY  
PRECIP TYPE SNOW SNOW/RAIN SNOW SNOW  
CHANCE PRECIP (%) 60 100 90 50  
CHANCE OF THUNDER (%) 0 0 0 0  
TEMP (24H TREND) 28 (+21) 40 (+6) 20 27  
RH % (24H TREND) 94 (+14) 78 (+19) 96 67  
WIND 20FT/EARLY(MPH) SW 8 G18 SW 13 G27 W 11 G23 W 11 G20  
WIND 20FT/LATE(MPH) SW 9 G24 SW 12 G26 W 11 G20 W 11 G21  
PRECIP AMOUNT 0.04 0.30 0.04 0.01  
PRECIP DURATION 2 10 7 2  
PRECIP BEGIN 1 AM CONTINUING CONTINUING CONTINUING  
PRECIP END CONTINUING CONTINUING CONTINUING CONTINUING  
MIXING HGT(M-AGL/MSL) 570 1360  
MIXING HGT(FT-AGL/MSL) 1880 4460  
TRANSPORT WND (MPH) SW 24 W 26  
VENT RATE (KT-FT) 39480 102580  
CATEGORY DAY 3 5  
INVERSION 6PM 34F/6AM NONE NONE  
DISPERSION 3 5  
MAX ADI EARLY 13 GEN POOR 39 FAIR 27 FAIR 69 GOOD  
MAX ADI LATE 19 GEN POOR 42 GEN GOOD 35 FAIR 74 GOOD  
MAX LVORI EARLY 4 4 5 4  
MAX LVORI LATE 4 4 4 3  
 
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.  
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.  
 

 
 
PAZ029-100915-  
WASHINGTON-  
INCLUDING THE CITIES OF WASHINGTON AND CANONSBURG  
100 PM EST TUE DEC 9 2025  
 
TONIGHT WED WED NIGHT THU  
 
CLOUD COVER MCLDY MCLDY MCLDY MCLDY  
PRECIP TYPE RAIN SNOW/RAIN SNOW SNOW  
CHANCE PRECIP (%) 40 100 80 20  
CHANCE OF THUNDER (%) 0 0 0 0  
TEMP (24H TREND) 31 (+20) 42 (+6) 21 29  
RH % (24H TREND) 86 (+8) 67 (+13) 93 58  
WIND 20FT/EARLY(MPH) SW 12 G21 SW 17 G31 W 13 G23 W 12 G19  
WIND 20FT/LATE(MPH) SW 13 G29 SW 15 G30 W 12 G20 W 12 G20  
PRECIP AMOUNT 0.01 0.26 0.04 0.00  
PRECIP DURATION 1 8 7 1  
PRECIP BEGIN 1 AM CONTINUING CONTINUING CONTINUING  
PRECIP END CONTINUING CONTINUING CONTINUING CONTINUING  
MIXING HGT(M-AGL/MSL) 710 1350  
MIXING HGT(FT-AGL/MSL) 2340 4420  
TRANSPORT WND (MPH) W 25 W 21  
VENT RATE (KT-FT) 51480 79560  
CATEGORY DAY 3 4  
INVERSION NONE NONE NONE NONE  
DISPERSION 3 4  
MAX ADI EARLY 15 GEN POOR 48 GEN GOOD 26 FAIR 57 GEN GOOD  
MAX ADI LATE 23 FAIR 52 GEN GOOD 31 FAIR 61 GOOD  
MAX LVORI EARLY 3 4 4 3  
MAX LVORI LATE 3 4 4 1  
 
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.  
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.  
 

 
 
PAZ031-100915-  
GREENE-  
INCLUDING THE CITY OF WAYNESBURG  
100 PM EST TUE DEC 9 2025  
 
TONIGHT WED WED NIGHT THU  
 
CLOUD COVER MCLDY MCLDY MCLDY MCLDY  
PRECIP TYPE RAIN SNOW/RAIN SNOW/RAIN SNOW  
CHANCE PRECIP (%) 20 100 90 20  
CHANCE OF THUNDER (%) 0 0 0 0  
TEMP (24H TREND) 31 (+17) 42 (+5) 22 29  
RH % (24H TREND) 80 (0) 65 (+9) 95 61  
WIND 20FT/EARLY(MPH) SW 10 G21 SW 15 G30 W 12 G23 W 10 G18  
WIND 20FT/LATE(MPH) SW 12 G28 SW 13 G28 W 10 G19 W 10 G18  
PRECIP AMOUNT 0.00 0.28 0.05 0.00  
PRECIP DURATION 0 8 7 1  
PRECIP BEGIN 4 AM CONTINUING CONTINUING CONTINUING  
PRECIP END CONTINUING CONTINUING CONTINUING 1 PM  
MIXING HGT(M-AGL/MSL) 730 1390  
MIXING HGT(FT-AGL/MSL) 2390 4570  
TRANSPORT WND (MPH) W 24 W 21  
VENT RATE (KT-FT) 50190 82260  
CATEGORY DAY 4 4  
INVERSION 6PM 37F/6AM NONE NONE  
DISPERSION 4 4  
MAX ADI EARLY 15 GEN POOR 52 GEN GOOD 24 FAIR 55 GEN GOOD  
MAX ADI LATE 21 FAIR 50 GEN GOOD 28 FAIR 59 GEN GOOD  
MAX LVORI EARLY 3 4 5 3  
MAX LVORI LATE 3 4 4 2  
 
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.  
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.  
 

 
 
PAZ073-100915-  
WESTMORELAND-  
INCLUDING THE CITIES OF MURRYSVILLE, GREENSBURG, NEW KENSINGTON,  
LOWER BURRELL, LATROBE, AND MONESSEN  
100 PM EST TUE DEC 9 2025  
 
TONIGHT WED WED NIGHT THU  
 
CLOUD COVER MCLDY MCLDY MCLDY MCLDY  
PRECIP TYPE SNOW/RAIN SNOW/RAIN SNOW/RAIN SNOW  
CHANCE PRECIP (%) 40 100 90 30  
CHANCE OF THUNDER (%) 0 0 0 0  
TEMP (24H TREND) 30 (+19) 42 (+6) 21 29  
RH % (24H TREND) 84 (+5) 68 (+12) 96 63  
WIND 20FT/EARLY(MPH) SW 10 G19 SW 18 G30 W 14 G24 W 13 G21  
WIND 20FT/LATE(MPH) SW 12 G27 SW 17 G28 W 12 G21 W 13 G21  
PRECIP AMOUNT 0.00 0.26 0.05 0.01  
PRECIP DURATION 1 9 7 2  
PRECIP BEGIN 1 AM CONTINUING CONTINUING CONTINUING  
PRECIP END CONTINUING CONTINUING CONTINUING CONTINUING  
MIXING HGT(M-AGL/MSL) 590 1390  
MIXING HGT(FT-AGL/MSL) 1940 4560  
TRANSPORT WND (MPH) SW 24 W 24  
VENT RATE (KT-FT) 40740 95760  
CATEGORY DAY 3 4  
INVERSION 6PM 37F/7AM NONE NONE  
DISPERSION 3 4  
MAX ADI EARLY 14 GEN POOR 49 GEN GOOD 27 FAIR 64 GOOD  
MAX ADI LATE 19 GEN POOR 45 GEN GOOD 28 FAIR 68 GOOD  
MAX LVORI EARLY 4 4 5 4  
MAX LVORI LATE 4 4 4 2  
 
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.  
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.  
 

 
 
PAZ074-100915-  
HIGHER ELEVATIONS OF WESTMORELAND-  
INCLUDING THE CITIES OF LIGONIER AND DONEGAL  
100 PM EST TUE DEC 9 2025  
 
TONIGHT WED WED NIGHT THU  
 
CLOUD COVER PCLDY MCLDY MCLDY MCLDY  
PRECIP TYPE SNOW/RAIN SNOW/RAIN SNOW SNOW  
CHANCE PRECIP (%) 30 100 90 30  
CHANCE OF THUNDER (%) 0 0 0 0  
TEMP (24H TREND) 30 (+19) 42 (+7) 18 28  
RH % (24H TREND) 76 (+1) 64 (+13) 93 59  
WIND 20FT/EARLY(MPH) SW 9 G22 SW 15 G30 W 14 G28 W 13 G24  
WIND 20FT/LATE(MPH) SW 10 G27 SW 14 G28 W 13 G26 W 13 G23  
PRECIP AMOUNT 0.00 0.32 0.10 0.01  
PRECIP DURATION 1 10 8 2  
PRECIP BEGIN 2 AM CONTINUING CONTINUING CONTINUING  
PRECIP END CONTINUING CONTINUING CONTINUING CONTINUING  
MIXING HGT(M-AGL/MSL) 660 1280  
MIXING HGT(FT-AGL/MSL) 2150 4210  
TRANSPORT WND (MPH) SW 30 W 26  
VENT RATE (KT-FT) 55900 96830  
CATEGORY DAY 4 4  
INVERSION 6PM 37F/7AM NONE NONE  
DISPERSION 4 4  
MAX ADI EARLY 15 GEN POOR 53 GEN GOOD 32 FAIR 68 GOOD  
MAX ADI LATE 19 GEN POOR 47 GEN GOOD 34 FAIR 70 GOOD  
MAX LVORI EARLY 3 3 4 4  
MAX LVORI LATE 3 4 4 2  
 
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.  
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.  
 

 
 
PAZ075-100915-  
FAYETTE-  
INCLUDING THE CITY OF UNIONTOWN  
100 PM EST TUE DEC 9 2025  
 
TONIGHT WED WED NIGHT THU  
 
CLOUD COVER MCLDY MCLDY MCLDY MCLDY  
PRECIP TYPE RAIN RAIN SNOW/RAIN SNOW  
CHANCE PRECIP (%) 30 100 90 20  
CHANCE OF THUNDER (%) 0 0 0 0  
TEMP (24H TREND) 31 (+14) 43 (+6) 21 29  
RH % (24H TREND) 77 (+3) 63 (+9) 95 61  
WIND 20FT/EARLY(MPH) SW 9 G20 SW 15 G29 W 12 G23 W 10 G19  
WIND 20FT/LATE(MPH) SW 11 G27 SW 14 G27 W 11 G21 W 10 G18  
PRECIP AMOUNT 0.00 0.25 0.06 0.00  
PRECIP DURATION 0 9 8 1  
PRECIP BEGIN 3 AM CONTINUING CONTINUING CONTINUING  
PRECIP END CONTINUING CONTINUING CONTINUING CONTINUING  
MIXING HGT(M-AGL/MSL) 660 1400  
MIXING HGT(FT-AGL/MSL) 2170 4610  
TRANSPORT WND (MPH) SW 22 W 21  
VENT RATE (KT-FT) 41230 82980  
CATEGORY DAY 3 4  
INVERSION 6PM 38F/5AM NONE NONE  
DISPERSION 3 4  
MAX ADI EARLY 15 GEN POOR 51 GEN GOOD 25 FAIR 58 GEN GOOD  
MAX ADI LATE 20 GEN POOR 48 GEN GOOD 26 FAIR 61 GOOD  
MAX LVORI EARLY 3 4 5 3  
MAX LVORI LATE 3 4 4 2  
 
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.  
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.  
 

 
 
PAZ076-100915-  
HIGHER ELEVATIONS OF FAYETTE-  
INCLUDING THE CITIES OF CHAMPION AND OHIOPYLE  
100 PM EST TUE DEC 9 2025  
 
TONIGHT WED WED NIGHT THU  
 
CLOUD COVER PCLDY MCLDY MCLDY MCLDY  
PRECIP TYPE NONE SNOW/RAIN SNOW SNOW  
CHANCE PRECIP (%) 0 100 90 20  
CHANCE OF THUNDER (%) 0 0 0 0  
TEMP (24H TREND) 30 (+17) 42 (+7) 18 27  
RH % (24H TREND) 76 (+4) 64 (+13) 97 63  
WIND 20FT/EARLY(MPH) SW 8 G21 SW 13 G29 W 12 G25 W 10 G22  
WIND 20FT/LATE(MPH) SW 10 G27 SW 12 G27 W 11 G23 W 9 G20  
PRECIP AMOUNT 0.00 0.35 0.13 0.01  
PRECIP DURATION 9 8 2  
PRECIP BEGIN 6 AM CONTINUING CONTINUING  
PRECIP END CONTINUING CONTINUING CONTINUING  
MIXING HGT(M-AGL/MSL) 630 1220  
MIXING HGT(FT-AGL/MSL) 2060 4010  
TRANSPORT WND (MPH) SW 28 W 24  
VENT RATE (KT-FT) 49440 84210  
CATEGORY DAY 3 4  
INVERSION 6PM 37F/7AM NONE NONE  
DISPERSION 3 4  
MAX ADI EARLY 15 GEN POOR 48 GEN GOOD 27 FAIR 58 GEN GOOD  
MAX ADI LATE 19 GEN POOR 43 GEN GOOD 27 FAIR 63 GOOD  
MAX LVORI EARLY 3 3 5 4  
MAX LVORI LATE 3 4 4 3  
 
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.  
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.  
 

 
 
PAZ077-100915-  
INDIANA-  
INCLUDING THE CITY OF INDIANA  
100 PM EST TUE DEC 9 2025  
 
TONIGHT WED WED NIGHT THU  
 
CLOUD COVER MCLDY MCLDY MCLDY MCLDY  
PRECIP TYPE SNOW SNOW/RAIN SNOW SNOW  
CHANCE PRECIP (%) 40 100 80 40  
CHANCE OF THUNDER (%) 0 0 0 0  
TEMP (24H TREND) 28 (+22) 40 (+6) 20 28  
RH % (24H TREND) 88 (+12) 73 (+16) 94 65  
WIND 20FT/EARLY(MPH) SW 9 G18 SW 14 G27 W 13 G24 W 13 G23  
WIND 20FT/LATE(MPH) SW 10 G24 SW 14 G28 W 12 G23 W 13 G23  
PRECIP AMOUNT 0.02 0.31 0.04 0.01  
PRECIP DURATION 1 11 7 2  
PRECIP BEGIN 1 AM CONTINUING CONTINUING CONTINUING  
PRECIP END CONTINUING CONTINUING CONTINUING CONTINUING  
MIXING HGT(M-AGL/MSL) 560 1320  
MIXING HGT(FT-AGL/MSL) 1840 4340  
TRANSPORT WND (MPH) SW 25 W 28  
VENT RATE (KT-FT) 40480 104160  
CATEGORY DAY 3 4  
INVERSION 6PM 34F/6AM NONE NONE  
DISPERSION 3 4  
MAX ADI EARLY 14 GEN POOR 43 GEN GOOD 30 FAIR 74 GOOD  
MAX ADI LATE 19 GEN POOR 44 GEN GOOD 34 FAIR 79 GOOD  
MAX LVORI EARLY 4 4 4 4  
MAX LVORI LATE 4 4 4 3  
 
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.  
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.  
 

 
 
PAZ078-100915-  
HIGHER ELEVATIONS OF INDIANA-  
INCLUDING THE CITY OF ARMAGH  
100 PM EST TUE DEC 9 2025  
 
TONIGHT WED WED NIGHT THU  
 
CLOUD COVER MCLDY MCLDY MCLDY MCLDY  
PRECIP TYPE SNOW SNOW/RAIN SNOW SNOW  
CHANCE PRECIP (%) 30 100 80 40  
CHANCE OF THUNDER (%) 0 0 0 0  
TEMP (24H TREND) 29 (+21) 40 (+6) 20 27  
RH % (24H TREND) 82 (+14) 68 (+15) 93 64  
WIND 20FT/EARLY(MPH) SW 8 G19 SW 13 G28 W 14 G26 W 13 G24  
WIND 20FT/LATE(MPH) SW 9 G25 SW 14 G28 W 13 G24 W 13 G24  
PRECIP AMOUNT 0.00 0.29 0.06 0.00  
PRECIP DURATION 1 10 7 2  
PRECIP BEGIN 2 AM CONTINUING CONTINUING CONTINUING  
PRECIP END CONTINUING CONTINUING CONTINUING CONTINUING  
MIXING HGT(M-AGL/MSL) 580 1270  
MIXING HGT(FT-AGL/MSL) 1910 4160  
TRANSPORT WND (MPH) SW 25 W 29  
VENT RATE (KT-FT) 42020 104000  
CATEGORY DAY 3 5  
INVERSION 6PM 36F/7AM NONE NONE  
DISPERSION 3 5  
MAX ADI EARLY 14 GEN POOR 48 GEN GOOD 38 FAIR 74 GOOD  
MAX ADI LATE 15 GEN POOR 47 GEN GOOD 38 FAIR 78 GOOD  
MAX LVORI EARLY 3 4 4 3  
MAX LVORI LATE 4 4 4 2  
 
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.  
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.  
 

 
 
WVZ001-100915-  
HANCOCK-  
INCLUDING THE CITY OF WEIRTON  
100 PM EST TUE DEC 9 2025  
 
TONIGHT WED WED NIGHT THU  
 
CLOUD COVER MCLDY MCLDY MCLDY MCLDY  
PRECIP TYPE SNOW/RAIN SNOW/RAIN SNOW SNOW  
CHANCE PRECIP (%) 60 100 70 20  
CHANCE OF THUNDER (%) 0 0 0 0  
TEMP (24H TREND) 31 (+19) 40 (+5) 22 28  
RH % (24H TREND) 91 (+22) 74 (+20) 87 58  
WIND 20FT/EARLY(MPH) SW 10 G19 SW 14 G28 W 11 G22 W 10 G19  
WIND 20FT/LATE(MPH) S 12 G27 SW 12 G27 W 10 G18 W 10 G19  
PRECIP AMOUNT 0.03 0.25 0.03 0.00  
PRECIP DURATION 2 9 6 1  
PRECIP BEGIN 12 AM CONTINUING CONTINUING CONTINUING  
PRECIP END CONTINUING CONTINUING CONTINUING CONTINUING  
MIXING HGT(M-AGL/MSL) 770 1390  
MIXING HGT(FT-AGL/MSL) 2540 4570  
TRANSPORT WND (MPH) SW 24 W 21  
VENT RATE (KT-FT) 53340 82260  
CATEGORY DAY 4 4  
INVERSION 6PM 36F/6AM NONE NONE  
DISPERSION 4 4  
MAX ADI EARLY 15 GEN POOR 42 GEN GOOD 32 FAIR 56 GEN GOOD  
MAX ADI LATE 28 FAIR 52 GEN GOOD 29 FAIR 61 GOOD  
MAX LVORI EARLY 3 4 4 3  
MAX LVORI LATE 3 4 3 1  
 
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.  
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.  
 

 
 
WVZ002-100915-  
BROOKE-  
INCLUDING THE CITIES OF FOLLANSBEE AND WELLSBURG  
100 PM EST TUE DEC 9 2025  
 
TONIGHT WED WED NIGHT THU  
 
CLOUD COVER MCLDY MCLDY MCLDY MCLDY  
PRECIP TYPE RAIN SNOW/RAIN SNOW SNOW  
CHANCE PRECIP (%) 60 100 70 20  
CHANCE OF THUNDER (%) 0 0 0 0  
TEMP (24H TREND) 32 (+20) 41 (+5) 22 30  
RH % (24H TREND) 87 (+11) 69 (+16) 86 55  
WIND 20FT/EARLY(MPH) SW 11 G20 SW 16 G30 W 12 G23 W 10 G19  
WIND 20FT/LATE(MPH) SW 13 G28 SW 14 G29 W 11 G19 W 10 G19  
PRECIP AMOUNT 0.02 0.25 0.03 0.00  
PRECIP DURATION 1 9 6 1  
PRECIP BEGIN 1 AM CONTINUING CONTINUING CONTINUING  
PRECIP END CONTINUING CONTINUING CONTINUING CONTINUING  
MIXING HGT(M-AGL/MSL) 790 1380  
MIXING HGT(FT-AGL/MSL) 2580 4520  
TRANSPORT WND (MPH) W 25 W 20  
VENT RATE (KT-FT) 56760 76840  
CATEGORY DAY 4 4  
INVERSION 6PM 37F/6AM NONE NONE  
DISPERSION 4 4  
MAX ADI EARLY 15 GEN POOR 44 GEN GOOD 29 FAIR 54 GEN GOOD  
MAX ADI LATE 23 FAIR 54 GEN GOOD 29 FAIR 58 GEN GOOD  
MAX LVORI EARLY 3 4 4 3  
MAX LVORI LATE 3 4 3 1  
 
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.  
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.  
 

 
 
WVZ003-100915-  
OHIO-  
INCLUDING THE CITY OF WHEELING  
100 PM EST TUE DEC 9 2025  
 
TONIGHT WED WED NIGHT THU  
 
CLOUD COVER MCLDY MCLDY MCLDY MCLDY  
PRECIP TYPE RAIN SNOW/RAIN SNOW SNOW  
CHANCE PRECIP (%) 40 100 70 20  
CHANCE OF THUNDER (%) 0 0 0 0  
TEMP (24H TREND) 32 (+19) 41 (+4) 22 29  
RH % (24H TREND) 85 (+4) 69 (+14) 92 57  
WIND 20FT/EARLY(MPH) SW 12 G21 SW 16 G30 W 12 G23 W 10 G19  
WIND 20FT/LATE(MPH) SW 14 G29 SW 14 G29 W 11 G19 W 10 G19  
PRECIP AMOUNT 0.01 0.27 0.04 0.00  
PRECIP DURATION 1 8 6 1  
PRECIP BEGIN 1 AM CONTINUING CONTINUING CONTINUING  
PRECIP END CONTINUING CONTINUING CONTINUING CONTINUING  
MIXING HGT(M-AGL/MSL) 740 1360  
MIXING HGT(FT-AGL/MSL) 2430 4460  
TRANSPORT WND (MPH) W 24 W 20  
VENT RATE (KT-FT) 51030 75820  
CATEGORY DAY 4 4  
INVERSION NONE NONE NONE NONE  
DISPERSION 4 4  
MAX ADI EARLY 15 GEN POOR 44 GEN GOOD 26 FAIR 54 GEN GOOD  
MAX ADI LATE 23 FAIR 52 GEN GOOD 28 FAIR 57 GEN GOOD  
MAX LVORI EARLY 3 4 4 3  
MAX LVORI LATE 3 4 3 1  
 
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.  
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.  
 

 
 
WVZ004-100915-  
MARSHALL-  
INCLUDING THE CITY OF MOUNDSVILLE  
100 PM EST TUE DEC 9 2025  
 
TONIGHT WED WED NIGHT THU  
 
CLOUD COVER MCLDY MCLDY MCLDY MCLDY  
PRECIP TYPE RAIN SNOW/RAIN SNOW SNOW  
CHANCE PRECIP (%) 30 100 70 10  
CHANCE OF THUNDER (%) 0 0 0 0  
TEMP (24H TREND) 33 (+20) 43 (+6) 22 31  
RH % (24H TREND) 84 (+1) 66 (+8) 93 59  
WIND 20FT/EARLY(MPH) SW 10 G21 SW 15 G31 W 11 G23 W 9 G18  
WIND 20FT/LATE(MPH) SW 12 G29 SW 13 G29 W 10 G19 W 9 G18  
PRECIP AMOUNT 0.00 0.29 0.04 0.00  
PRECIP DURATION 0 7 5 1  
PRECIP BEGIN 3 AM CONTINUING CONTINUING CONTINUING  
PRECIP END CONTINUING CONTINUING CONTINUING 1 PM  
MIXING HGT(M-AGL/MSL) 740 1430  
MIXING HGT(FT-AGL/MSL) 2430 4680  
TRANSPORT WND (MPH) W 24 W 20  
VENT RATE (KT-FT) 51030 79560  
CATEGORY DAY 4 4  
INVERSION 6PM 38F/6AM 7PM 25F/4AM  
DISPERSION 4 4  
MAX ADI EARLY 15 GEN POOR 46 GEN GOOD 24 FAIR 53 GEN GOOD  
MAX ADI LATE 22 FAIR 48 GEN GOOD 26 FAIR 57 GEN GOOD  
MAX LVORI EARLY 3 4 4 3  
MAX LVORI LATE 3 4 4 2  
 
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.  
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.  
 

 
 
WVZ012-100915-  
WETZEL-  
INCLUDING THE CITY OF NEW MARTINSVILLE  
100 PM EST TUE DEC 9 2025  
 
TONIGHT WED WED NIGHT THU  
 
CLOUD COVER MCLDY MCLDY MCLDY MCLDY  
PRECIP TYPE NONE SNOW/RAIN SNOW SNOW  
CHANCE PRECIP (%) 0 100 70 20  
CHANCE OF THUNDER (%) 0 0 0 0  
TEMP (24H TREND) 33 (+17) 42 (+6) 23 30  
RH % (24H TREND) 79 (-3) 65 (+7) 97 61  
WIND 20FT/EARLY(MPH) SW 9 G20 SW 13 G30 W 11 G23 W 8 G17  
WIND 20FT/LATE(MPH) SW 10 G27 SW 12 G28 W 9 G18 W 8 G17  
PRECIP AMOUNT 0.00 0.31 0.05 0.00  
PRECIP DURATION 8 5 1  
PRECIP BEGIN 6 AM CONTINUING CONTINUING  
PRECIP END CONTINUING CONTINUING 1 PM  
MIXING HGT(M-AGL/MSL) 740 1400  
MIXING HGT(FT-AGL/MSL) 2420 4610  
TRANSPORT WND (MPH) SW 24 W 18  
VENT RATE (KT-FT) 50820 73760  
CATEGORY DAY 4 4  
INVERSION 6PM 38F/5AM 7PM 26F/4AM  
DISPERSION 4 4  
MAX ADI EARLY 14 GEN POOR 46 GEN GOOD 24 FAIR 52 GEN GOOD  
MAX ADI LATE 20 GEN POOR 50 GEN GOOD 26 FAIR 55 GEN GOOD  
MAX LVORI EARLY 3 4 5 3  
MAX LVORI LATE 3 4 4 3  
 
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.  
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.  
 

 
 
WVZ021-100915-  
MARION-  
INCLUDING THE CITY OF FAIRMONT  
100 PM EST TUE DEC 9 2025  
 
TONIGHT WED WED NIGHT THU  
 
CLOUD COVER PCLDY MCLDY MCLDY MCLDY  
PRECIP TYPE NONE RAIN SNOW/RAIN SNOW  
CHANCE PRECIP (%) 0 100 90 20  
CHANCE OF THUNDER (%) 0 0 0 0  
TEMP (24H TREND) 32 (+14) 42 (+5) 22 29  
RH % (24H TREND) 76 (-3) 63 (+7) 97 63  
WIND 20FT/EARLY(MPH) SW 9 G19 SW 14 G29 W 12 G23 W 9 G17  
WIND 20FT/LATE(MPH) SW 10 G27 SW 13 G27 W 9 G18 W 9 G17  
PRECIP AMOUNT 0.00 0.31 0.06 0.00  
PRECIP DURATION 9 7 1  
PRECIP BEGIN 6 AM CONTINUING CONTINUING  
PRECIP END CONTINUING CONTINUING 1 PM  
MIXING HGT(M-AGL/MSL) 730 1400  
MIXING HGT(FT-AGL/MSL) 2400 4580  
TRANSPORT WND (MPH) SW 25 W 20  
VENT RATE (KT-FT) 52800 77860  
CATEGORY DAY 4 4  
INVERSION 6PM 37F/5AM NONE NONE  
DISPERSION 4 4  
MAX ADI EARLY 14 GEN POOR 56 GEN GOOD 23 FAIR 53 GEN GOOD  
MAX ADI LATE 19 GEN POOR 52 GEN GOOD 28 FAIR 57 GEN GOOD  
MAX LVORI EARLY 3 4 5 3  
MAX LVORI LATE 3 4 4 3  
 
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.  
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.  
 

 
 
WVZ509-100915-  
MONONGALIA-  
INCLUDING THE CITY OF MORGANTOWN  
100 PM EST TUE DEC 9 2025  
 
TONIGHT WED WED NIGHT THU  
 
CLOUD COVER MCLDY MCLDY MCLDY MCLDY  
PRECIP TYPE NONE RAIN SNOW/RAIN SNOW  
CHANCE PRECIP (%) 0 100 90 20  
CHANCE OF THUNDER (%) 0 0 0 0  
TEMP (24H TREND) 32 (+14) 43 (+6) 22 29  
RH % (24H TREND) 75 (-3) 62 (+6) 95 62  
WIND 20FT/EARLY(MPH) SW 9 G19 SW 14 G29 W 11 G23 W 9 G17  
WIND 20FT/LATE(MPH) SW 11 G27 SW 12 G27 W 10 G19 W 9 G17  
PRECIP AMOUNT 0.00 0.30 0.06 0.00  
PRECIP DURATION 9 8 1  
PRECIP BEGIN 6 AM CONTINUING CONTINUING  
PRECIP END CONTINUING CONTINUING 1 PM  
MIXING HGT(M-AGL/MSL) 710 1400  
MIXING HGT(FT-AGL/MSL) 2340 4590  
TRANSPORT WND (MPH) SW 23 W 20  
VENT RATE (KT-FT) 46800 78030  
CATEGORY DAY 3 4  
INVERSION 6PM 38F/5AM NONE NONE  
DISPERSION 3 4  
MAX ADI EARLY 14 GEN POOR 56 GEN GOOD 23 FAIR 55 GEN GOOD  
MAX ADI LATE 19 GEN POOR 50 GEN GOOD 28 FAIR 57 GEN GOOD  
MAX LVORI EARLY 3 4 5 3  
MAX LVORI LATE 3 4 4 3  
 
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.  
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.  
 

 
 
WVZ510-100915-  
RIDGES OF EASTERN MONONGALIA AND NORTHWESTERN PRESTON-  
INCLUDING THE CITY OF COOPERS ROCK  
100 PM EST TUE DEC 9 2025  
 
TONIGHT WED WED NIGHT THU  
 
CLOUD COVER PCLDY MCLDY MCLDY MCLDY  
PRECIP TYPE NONE SNOW/RAIN SNOW SNOW  
CHANCE PRECIP (%) 0 100 90 30  
CHANCE OF THUNDER (%) 0 0 0 0  
TEMP (24H TREND) 31 (+14) 41 (+6) 19 26  
RH % (24H TREND) 74 (-5) 62 (+7) 98 65  
WIND 20FT/EARLY(MPH) SW 9 G19 SW 14 G28 W 12 G23 W 9 G18  
WIND 20FT/LATE(MPH) SW 11 G26 SW 11 G27 W 11 G20 W 8 G17  
PRECIP AMOUNT 0.00 0.35 0.11 0.00  
PRECIP DURATION 9 8 1  
PRECIP BEGIN 6 AM CONTINUING CONTINUING  
PRECIP END CONTINUING CONTINUING 1 PM  
MIXING HGT(M-AGL/MSL) 620 1190  
MIXING HGT(FT-AGL/MSL) 2020 3900  
TRANSPORT WND (MPH) SW 29 W 21  
VENT RATE (KT-FT) 50500 70200  
CATEGORY DAY 4 4  
INVERSION 6PM 38F/7AM NONE NONE  
DISPERSION 4 4  
MAX ADI EARLY 14 GEN POOR 51 GEN GOOD 22 FAIR 52 GEN GOOD  
MAX ADI LATE 19 GEN POOR 42 GEN GOOD 25 FAIR 55 GEN GOOD  
MAX LVORI EARLY 3 4 5 4  
MAX LVORI LATE 3 4 4 3  
 
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.  
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.  
 

 
 
WVZ511-100915-  
PRESTON-  
INCLUDING THE CITIES OF KINGWOOD AND BRUCETON MILLS  
100 PM EST TUE DEC 9 2025  
 
TONIGHT WED WED NIGHT THU  
 
CLOUD COVER PCLDY MCLDY MCLDY MCLDY  
PRECIP TYPE NONE SNOW/RAIN SNOW SNOW  
CHANCE PRECIP (%) 0 100 90 30  
CHANCE OF THUNDER (%) 0 0 0 0  
TEMP (24H TREND) 31 (+13) 42 (+6) 19 26  
RH % (24H TREND) 73 (-6) 63 (+10) 98 65  
WIND 20FT/EARLY(MPH) SW 6 G18 SW 12 G28 W 10 G23 W 8 G18  
WIND 20FT/LATE(MPH) SW 8 G25 SW 11 G26 W 9 G21 W 8 G18  
PRECIP AMOUNT 0.00 0.39 0.12 0.01  
PRECIP DURATION 9 8 1  
PRECIP BEGIN 6 AM CONTINUING CONTINUING  
PRECIP END CONTINUING CONTINUING 1 PM  
MIXING HGT(M-AGL/MSL) 780 1260  
MIXING HGT(FT-AGL/MSL) 2550 4130  
TRANSPORT WND (MPH) SW 29 W 22  
VENT RATE (KT-FT) 63750 78470  
CATEGORY DAY 4 4  
INVERSION 6PM 36F/5AM NONE NONE  
DISPERSION 4 4  
MAX ADI EARLY 13 GEN POOR 60 GEN GOOD 27 FAIR 57 GEN GOOD  
MAX ADI LATE 19 GEN POOR 49 GEN GOOD 27 FAIR 60 GEN GOOD  
MAX LVORI EARLY 3 4 5 4  
MAX LVORI LATE 3 4 4 3  
 
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.  
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.  
 

 
 
WVZ512-100915-  
EASTERN PRESTON-  
INCLUDING THE CITIES OF TERRA ALTA, ROWLESBURG, AND HAZELTON  
100 PM EST TUE DEC 9 2025  
 
TONIGHT WED WED NIGHT THU  
 
CLOUD COVER PCLDY MCLDY MCLDY MCLDY  
PRECIP TYPE NONE SNOW/RAIN SNOW SNOW  
CHANCE PRECIP (%) 0 90 90 30  
CHANCE OF THUNDER (%) 0 0 0 0  
TEMP (24H TREND) 30 (+15) 42 (+7) 18 25  
RH % (24H TREND) 73 (-10) 61 (+7) 98 67  
WIND 20FT/EARLY(MPH) SW 9 G21 SW 14 G31 W 14 G28 W 11 G23  
WIND 20FT/LATE(MPH) SW 10 G27 SW 13 G29 W 13 G24 W 10 G22  
PRECIP AMOUNT 0.00 0.41 0.16 0.01  
PRECIP DURATION 8 8 1  
PRECIP BEGIN 6 AM CONTINUING CONTINUING  
PRECIP END CONTINUING CONTINUING 1 PM  
MIXING HGT(M-AGL/MSL) 760 1110  
MIXING HGT(FT-AGL/MSL) 2490 3650  
TRANSPORT WND (MPH) SW 31 W 25  
VENT RATE (KT-FT) 67230 80300  
CATEGORY DAY 4 4  
INVERSION 6PM 36F/6AM NONE NONE  
DISPERSION 4 4  
MAX ADI EARLY 17 GEN POOR 64 GOOD 31 FAIR 61 GOOD  
MAX ADI LATE 21 FAIR 52 GEN GOOD 30 FAIR 63 GOOD  
MAX LVORI EARLY 3 4 4 4  
MAX LVORI LATE 3 4 4 3  
 
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.  
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.  
 

 
 
WVZ513-100915-  
WESTERN TUCKER-  
INCLUDING THE CITIES OF PARSONS, HENDRICKS, AND SAINT GEORGE  
100 PM EST TUE DEC 9 2025  
 
TONIGHT WED WED NIGHT THU  
 
CLOUD COVER PCLDY MCLDY MCLDY MCLDY  
PRECIP TYPE NONE SNOW/RAIN SNOW SNOW  
CHANCE PRECIP (%) 0 90 90 30  
CHANCE OF THUNDER (%) 0 0 0 0  
TEMP (24H TREND) 31 (+12) 44 (+7) 19 27  
RH % (24H TREND) 67 (-15) 58 (+10) 95 63  
WIND 20FT/EARLY(MPH) SW 7 G19 SW 13 G31 W 14 G30 W 10 G23  
WIND 20FT/LATE(MPH) SW 8 G27 SW 13 G29 W 12 G26 W 10 G21  
PRECIP AMOUNT 0.00 0.34 0.18 0.02  
PRECIP DURATION 7 8 1  
PRECIP BEGIN 7 AM CONTINUING CONTINUING  
PRECIP END CONTINUING CONTINUING 1 PM  
MIXING HGT(M-AGL/MSL) 900 1150  
MIXING HGT(FT-AGL/MSL) 2950 3760  
TRANSPORT WND (MPH) SW 32 W 24  
VENT RATE (KT-FT) 82600 78960  
CATEGORY DAY 4 4  
INVERSION 6PM 37F/5AM NONE NONE  
DISPERSION 4 4  
MAX ADI EARLY 13 GEN POOR 71 GOOD 32 FAIR 60 GEN GOOD  
MAX ADI LATE 19 GEN POOR 58 GEN GOOD 33 FAIR 62 GOOD  
MAX LVORI EARLY 3 3 4 4  
MAX LVORI LATE 2 4 4 3  
 
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.  
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.  
 

 
 
WVZ514-100915-  
EASTERN TUCKER-  
INCLUDING THE CITIES OF DAVIS, THOMAS, AND CANAAN VALLEY  
100 PM EST TUE DEC 9 2025  
 
TONIGHT WED WED NIGHT THU  
 
CLOUD COVER PCLDY MCLDY MCLDY PCLDY  
PRECIP TYPE NONE SNOW/FZ RA SNOW SNOW  
CHANCE PRECIP (%) 0 80 90 30  
CHANCE OF THUNDER (%) 0 0 0 0  
TEMP (24H TREND) 26 (+13) 40 (+7) 15 22  
RH % (24H TREND) 71 (-14) 58 (+5) 100 72  
WIND 20FT/EARLY(MPH) SW 9 G26 SW 16 G41 W 18 G41 W 13 G36  
WIND 20FT/LATE(MPH) SW 11 G37 W 16 G41 W 16 G38 W 12 G30  
PRECIP AMOUNT 0.00 0.36 0.22 0.02  
PRECIP DURATION 6 8 1  
PRECIP BEGIN 7 AM CONTINUING CONTINUING  
PRECIP END CONTINUING CONTINUING 1 PM  
MIXING HGT(M-AGL/MSL) 780 900  
MIXING HGT(FT-AGL/MSL) 2550 2970  
TRANSPORT WND (MPH) SW 38 W 29  
VENT RATE (KT-FT) 84150 74250  
CATEGORY DAY 4 4  
INVERSION 6PM 36F/7AM NONE NONE  
DISPERSION 4 4  
MAX ADI EARLY 19 GEN POOR 75 GOOD 42 GEN GOOD 62 GOOD  
MAX ADI LATE 24 FAIR 66 GOOD 42 GEN GOOD 62 GOOD  
MAX LVORI EARLY 3 4 4 4  
MAX LVORI LATE 3 4 4 3  
 
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.  
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.  
 

 
   
FORECAST FOR DAYS 3 THROUGH 7
 
   
FRIDAY
 
MOSTLY CLOUDY WITH A CHANCE OF SNOW. LOWS AROUND 20.  
HIGHS IN THE LOWER 30S. SOUTH WINDS AROUND 5 MPH.    
SATURDAY
 
MOSTLY CLOUDY WITH A CHANCE OF SNOW. LOWS IN THE  
LOWER 20S. HIGHS IN THE LOWER 30S. WEST WINDS 10 TO 15 MPH.    
SUNDAY
 
MOSTLY CLOUDY WITH SNOW LIKELY. LOWS AROUND 17. HIGHS  
IN THE LOWER 20S. WEST WINDS 10 TO 15 MPH.    
MONDAY
 
MOSTLY CLOUDY. LOWS AROUND 8. HIGHS IN THE MID 20S.  
SOUTHWEST WINDS 10 TO 15 MPH.    
TUESDAY
 
MOSTLY CLOUDY. A CHANCE OF SNOW. LOWS AROUND 13. HIGHS  
AROUND 30. SOUTHWEST WINDS 5 TO 10 MPH.  
 

 
 
MLB  
 
CLICK HERE TO GO TO PREVIOUS BULLETINS.

The Nexlab OH Page
The Nexlab PA Page
The Nexlab WV Page
The Nexlab MD Page Main Text Page