805  
FNUS51 KPBZ 271654  
FWFPBZ  
 
FIRE WEATHER PLANNING FORECAST  
NATIONAL WEATHER SERVICE PITTSBURGH PA  
1254 PM EDT WED MAY 27 2026  
   
DISCUSSION  
 
SCATTERED INSTANCES OF HEAVY RAIN CONTINUE THIS AFTERNOON LARGELY  
SOUTH OF I-70 ALONG A SOUTHWARD MOVING FRONT. THE AREA DRIES OUT  
OVERNIGHT AS A DRY COLD FRONT CROSSES THE REGION. THIS FRONT  
USHERS IN DRIER AND COOLER WEATHER AS HIGH PRESSURE SETTLES OVER  
THE REGION FOR LATE THIS WEEK AND INTO THE WEEKEND. MINIMUM RH  
VALUES FALL INTO THE MIDDLE 40S AND 50S THROUGH THE WEEKEND BUT  
WINDS ARE EXPECTED TO BE ON THE LIGHTER SIDE.  
 
OHZ039-280815-  
TUSCARAWAS-  
INCLUDING THE CITIES OF NEW PHILADELPHIA AND DOVER  
1254 PM EDT WED MAY 27 2026  
 
TONIGHT THU THU NIGHT FRI  
 
CLOUD COVER PCLDY MCLEAR CLEAR MCLEAR  
PRECIP TYPE NONE NONE NONE NONE  
CHANCE PRECIP (%) 0 0 0 0  
CHANCE OF THUNDER (%) 0 0 0 0  
TEMP (24H TREND) 55 (-8) 75 (-2) 48 76  
RH % (24H TREND) 83 (-17) 45 (-17) 88 40  
WIND 20FT/EARLY(MPH) LGT/VAR LGT/VAR N 5 LGT/VAR  
WIND 20FT/LATE(MPH) LGT/VAR N 9 LGT/VAR LGT/VAR  
PRECIP AMOUNT 0.00 0.00 0.00 0.00  
PRECIP DURATION  
PRECIP BEGIN  
PRECIP END  
MIXING HGT(M-AGL/MSL) 1720 1210  
MIXING HGT(FT-AGL/MSL) 5640 3970  
TRANSPORT WND (MPH) N 17 W 10  
VENT RATE (KT-FT) 84600 35730  
CATEGORY DAY 4 3  
INVERSION 7PM 62F/9AM 8PM 58F/9AM  
DISPERSION 4 3  
MAX ADI EARLY 4 VERY POOR 51 GEN GOOD 12 POOR 20 GEN POOR  
MAX ADI LATE 4 VERY POOR 105 VERY GOOD4 VERY POOR 54 GEN GOOD  
MAX LVORI EARLY 4 4 3 5  
MAX LVORI LATE 5 1 6 2  
 
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.  
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.  
 
 
 
OHZ040-280815-  
CARROLL-  
INCLUDING THE CITIES OF CARROLLTON AND MALVERN  
1254 PM EDT WED MAY 27 2026  
 
TONIGHT THU THU NIGHT FRI  
 
CLOUD COVER PCLDY MCLEAR CLEAR MCLEAR  
PRECIP TYPE NONE NONE NONE NONE  
CHANCE PRECIP (%) 0 0 0 0  
CHANCE OF THUNDER (%) 0 0 0 0  
TEMP (24H TREND) 54 (-8) 73 (-4) 48 76  
RH % (24H TREND) 80 (-20) 43 (-16) 86 40  
WIND 20FT/EARLY(MPH) LGT/VAR N 5 N 5 LGT/VAR  
WIND 20FT/LATE(MPH) LGT/VAR N 10 LGT/VAR LGT/VAR  
PRECIP AMOUNT 0.00 0.00 0.00 0.00  
PRECIP DURATION  
PRECIP BEGIN  
PRECIP END  
MIXING HGT(M-AGL/MSL) 1680 1210  
MIXING HGT(FT-AGL/MSL) 5520 3980  
TRANSPORT WND (MPH) N 18 W 13  
VENT RATE (KT-FT) 88320 43780  
CATEGORY DAY 4 3  
INVERSION 7PM 62F/9AM 8PM 58F/9AM  
DISPERSION 4 3  
MAX ADI EARLY 5 VERY POOR 56 GEN GOOD 11 POOR 17 GEN POOR  
MAX ADI LATE 4 VERY POOR 86 GOOD 4 VERY POOR 60 GEN GOOD  
MAX LVORI EARLY 3 4 3 5  
MAX LVORI LATE 4 1 5 2  
 
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.  
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.  
 
 
 
OHZ041-280815-  
COLUMBIANA-  
INCLUDING THE CITIES OF EAST LIVERPOOL, SALEM, AND COLUMBIANA  
1254 PM EDT WED MAY 27 2026  
 
TONIGHT THU THU NIGHT FRI  
 
CLOUD COVER PCLDY MCLEAR MCLEAR MCLEAR  
PRECIP TYPE NONE NONE NONE NONE  
CHANCE PRECIP (%) 0 0 0 0  
CHANCE OF THUNDER (%) 0 0 0 0  
TEMP (24H TREND) 54 (-8) 72 (-6) 47 76  
RH % (24H TREND) 80 (-19) 42 (-14) 87 38  
WIND 20FT/EARLY(MPH) LGT/VAR N 5 N 5 LGT/VAR  
WIND 20FT/LATE(MPH) LGT/VAR N 10 LGT/VAR LGT/VAR  
PRECIP AMOUNT 0.00 0.00 0.00 0.00  
PRECIP DURATION  
PRECIP BEGIN  
PRECIP END  
MIXING HGT(M-AGL/MSL) 1640 1270  
MIXING HGT(FT-AGL/MSL) 5370 4160  
TRANSPORT WND (MPH) N 18 W 14  
VENT RATE (KT-FT) 85920 49920  
CATEGORY DAY 4 3  
INVERSION 8PM 62F/9AM 8PM 59F/9AM  
DISPERSION 4 3  
MAX ADI EARLY 6 VERY POOR 64 GOOD 12 POOR 21 FAIR  
MAX ADI LATE 4 VERY POOR 90 GOOD 4 VERY POOR 65 GOOD  
MAX LVORI EARLY 3 4 3 5  
MAX LVORI LATE 4 1 6 2  
 
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.  
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.  
 
 
 
OHZ048-280815-  
COSHOCTON-  
INCLUDING THE CITY OF COSHOCTON  
1254 PM EDT WED MAY 27 2026  
 
TONIGHT THU THU NIGHT FRI  
 
CLOUD COVER PCLDY MCLEAR CLEAR MCLEAR  
PRECIP TYPE TSTMS NONE NONE NONE  
CHANCE PRECIP (%) 20 0 0 0  
CHANCE OF THUNDER (%) 20 0 0 0  
TEMP (24H TREND) 55 (-7) 74 (-2) 48 76  
RH % (24H TREND) 87 (-13) 46 (-19) 90 41  
WIND 20FT/EARLY(MPH) LGT/VAR LGT/VAR N 5 LGT/VAR  
WIND 20FT/LATE(MPH) LGT/VAR N 8 LGT/VAR LGT/VAR  
PRECIP AMOUNT 0.00 0.00 0.00 0.00  
PRECIP DURATION 0  
PRECIP BEGIN 6 PM  
PRECIP END 8 PM  
MIXING HGT(M-AGL/MSL) 1630 1190  
MIXING HGT(FT-AGL/MSL) 5360 3900  
TRANSPORT WND (MPH) N 16 W 10  
VENT RATE (KT-FT) 75040 35100  
CATEGORY DAY 4 3  
INVERSION 7PM 62F/9AM 8PM 57F/9AM  
DISPERSION 4 3  
MAX ADI EARLY 4 VERY POOR 45 GEN GOOD 12 POOR 19 GEN POOR  
MAX ADI LATE 4 VERY POOR 101 VERY GOOD4 VERY POOR 52 GEN GOOD  
MAX LVORI EARLY 5 4 3 5  
MAX LVORI LATE 6 1 6 2  
 
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.  
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.  
 
 
 
OHZ049-280815-  
HARRISON-  
INCLUDING THE CITY OF CADIZ  
1254 PM EDT WED MAY 27 2026  
 
TONIGHT THU THU NIGHT FRI  
 
CLOUD COVER PCLDY MCLEAR CLEAR MCLEAR  
PRECIP TYPE NONE NONE NONE NONE  
CHANCE PRECIP (%) 0 0 0 0  
CHANCE OF THUNDER (%) 0 0 0 0  
TEMP (24H TREND) 55 (-7) 74 (-2) 48 76  
RH % (24H TREND) 87 (-13) 43 (-21) 89 39  
WIND 20FT/EARLY(MPH) LGT/VAR LGT/VAR N 5 LGT/VAR  
WIND 20FT/LATE(MPH) LGT/VAR N 9 LGT/VAR LGT/VAR  
PRECIP AMOUNT 0.00 0.00 0.00 0.00  
PRECIP DURATION  
PRECIP BEGIN  
PRECIP END  
MIXING HGT(M-AGL/MSL) 1730 1220  
MIXING HGT(FT-AGL/MSL) 5670 4020  
TRANSPORT WND (MPH) N 17 W 10  
VENT RATE (KT-FT) 85050 36180  
CATEGORY DAY 4 3  
INVERSION 8PM 62F/9AM 8PM 58F/9AM  
DISPERSION 4 3  
MAX ADI EARLY 4 VERY POOR 50 GEN GOOD 11 POOR 21 FAIR  
MAX ADI LATE 4 VERY POOR 99 GOOD 5 VERY POOR 53 GEN GOOD  
MAX LVORI EARLY 5 4 3 5  
MAX LVORI LATE 5 1 6 2  
 
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.  
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.  
 
 
 
OHZ050-280815-  
JEFFERSON OH-  
INCLUDING THE CITY OF STEUBENVILLE  
1254 PM EDT WED MAY 27 2026  
 
TONIGHT THU THU NIGHT FRI  
 
CLOUD COVER PCLDY MCLEAR CLEAR MCLEAR  
PRECIP TYPE NONE NONE NONE NONE  
CHANCE PRECIP (%) 0 0 0 0  
CHANCE OF THUNDER (%) 0 0 0 0  
TEMP (24H TREND) 55 (-8) 74 (-3) 48 76  
RH % (24H TREND) 83 (-17) 41 (-20) 85 38  
WIND 20FT/EARLY(MPH) LGT/VAR LGT/VAR N 6 LGT/VAR  
WIND 20FT/LATE(MPH) LGT/VAR N 9 LGT/VAR LGT/VAR  
PRECIP AMOUNT 0.00 0.00 0.00 0.00  
PRECIP DURATION  
PRECIP BEGIN  
PRECIP END  
MIXING HGT(M-AGL/MSL) 1760 1270  
MIXING HGT(FT-AGL/MSL) 5780 4170  
TRANSPORT WND (MPH) N 18 W 13  
VENT RATE (KT-FT) 92480 45870  
CATEGORY DAY 4 3  
INVERSION 8PM 62F/9AM 8PM 58F/9AM  
DISPERSION 4 3  
MAX ADI EARLY 4 VERY POOR 53 GEN GOOD 12 POOR 18 GEN POOR  
MAX ADI LATE 4 VERY POOR 107 VERY GOOD4 VERY POOR 63 GOOD  
MAX LVORI EARLY 4 4 3 5  
MAX LVORI LATE 5 1 5 2  
 
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.  
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.  
 
 
 
OHZ057-280815-  
MUSKINGUM-  
INCLUDING THE CITY OF ZANESVILLE  
1254 PM EDT WED MAY 27 2026  
 
TONIGHT THU THU NIGHT FRI  
 
CLOUD COVER PCLDY MCLEAR CLEAR MCLEAR  
PRECIP TYPE TSTMS NONE NONE NONE  
CHANCE PRECIP (%) 40 0 0 0  
CHANCE OF THUNDER (%) 40 0 0 0  
TEMP (24H TREND) 55 (-7) 76 (0) 47 77  
RH % (24H TREND) 94 (-5) 45 (-28) 91 39  
WIND 20FT/EARLY(MPH) LGT/VAR LGT/VAR N 5 LGT/VAR  
WIND 20FT/LATE(MPH) LGT/VAR N 7 LGT/VAR LGT/VAR  
PRECIP AMOUNT 0.02 0.00 0.00 0.00  
PRECIP DURATION 0  
PRECIP BEGIN 6 PM  
PRECIP END 8 PM  
MIXING HGT(M-AGL/MSL) 1730 1120  
MIXING HGT(FT-AGL/MSL) 5660 3660  
TRANSPORT WND (MPH) N 16 NW 9  
VENT RATE (KT-FT) 79240 29280  
CATEGORY DAY 4 3  
INVERSION 7PM 63F/9AM 8PM 57F/9AM  
DISPERSION 4 3  
MAX ADI EARLY 3 VERY POOR 38 FAIR 12 POOR 20 GEN POOR  
MAX ADI LATE 3 VERY POOR 102 VERY GOOD5 VERY POOR 44 GEN GOOD  
MAX LVORI EARLY 6 5 3 5  
MAX LVORI LATE 6 1 6 2  
 
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.  
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.  
 
 
 
OHZ058-280815-  
GUERNSEY-  
INCLUDING THE CITY OF CAMBRIDGE  
1254 PM EDT WED MAY 27 2026  
 
TONIGHT THU THU NIGHT FRI  
 
CLOUD COVER PCLDY MCLEAR CLEAR MCLEAR  
PRECIP TYPE TSTMS NONE NONE NONE  
CHANCE PRECIP (%) 30 0 0 0  
CHANCE OF THUNDER (%) 30 0 0 0  
TEMP (24H TREND) 55 (-7) 76 (-1) 48 77  
RH % (24H TREND) 92 (-8) 43 (-26) 91 39  
WIND 20FT/EARLY(MPH) LGT/VAR LGT/VAR N 5 LGT/VAR  
WIND 20FT/LATE(MPH) LGT/VAR N 8 LGT/VAR LGT/VAR  
PRECIP AMOUNT 0.01 0.00 0.00 0.00  
PRECIP DURATION 0  
PRECIP BEGIN 6 PM  
PRECIP END 8 PM  
MIXING HGT(M-AGL/MSL) 1790 1190  
MIXING HGT(FT-AGL/MSL) 5860 3910  
TRANSPORT WND (MPH) N 17 W 9  
VENT RATE (KT-FT) 87900 31280  
CATEGORY DAY 4 3  
INVERSION 8PM 63F/9AM 8PM 58F/9AM  
DISPERSION 4 3  
MAX ADI EARLY 3 VERY POOR 42 GEN GOOD 12 POOR 21 FAIR  
MAX ADI LATE 3 VERY POOR 110 VERY GOOD5 VERY POOR 48 GEN GOOD  
MAX LVORI EARLY 5 5 3 5  
MAX LVORI LATE 6 1 6 2  
 
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.  
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.  
 
 
 
OHZ059-280815-  
BELMONT-  
INCLUDING THE CITIES OF MARTINS FERRY AND ST. CLAIRSVILLE  
1254 PM EDT WED MAY 27 2026  
 
TONIGHT THU THU NIGHT FRI  
 
CLOUD COVER PCLDY MCLEAR CLEAR MCLEAR  
PRECIP TYPE TSTMS NONE NONE NONE  
CHANCE PRECIP (%) 30 0 0 0  
CHANCE OF THUNDER (%) 30 0 0 0  
TEMP (24H TREND) 55 (-8) 76 (0) 48 77  
RH % (24H TREND) 93 (-7) 43 (-29) 90 39  
WIND 20FT/EARLY(MPH) LGT/VAR LGT/VAR N 6 LGT/VAR  
WIND 20FT/LATE(MPH) LGT/VAR N 8 LGT/VAR LGT/VAR  
PRECIP AMOUNT 0.01 0.00 0.00 0.00  
PRECIP DURATION 0  
PRECIP BEGIN 6 PM  
PRECIP END 8 PM  
MIXING HGT(M-AGL/MSL) 1760 1170  
MIXING HGT(FT-AGL/MSL) 5760 3850  
TRANSPORT WND (MPH) N 17 W 10  
VENT RATE (KT-FT) 86400 34650  
CATEGORY DAY 4 3  
INVERSION 7PM 63F/9AM 8PM 58F/9AM  
DISPERSION 4 3  
MAX ADI EARLY 3 VERY POOR 43 GEN GOOD 11 POOR 20 GEN POOR  
MAX ADI LATE 3 VERY POOR 109 VERY GOOD4 VERY POOR 52 GEN GOOD  
MAX LVORI EARLY 5 5 3 5  
MAX LVORI LATE 6 1 6 2  
 
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.  
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.  
 
 
 
OHZ068-280815-  
NOBLE-  
INCLUDING THE CITY OF CALDWELL  
1254 PM EDT WED MAY 27 2026  
 
TONIGHT THU THU NIGHT FRI  
 
CLOUD COVER PCLDY MCLEAR CLEAR MCLEAR  
PRECIP TYPE TSTMS NONE NONE NONE  
CHANCE PRECIP (%) 50 0 0 0  
CHANCE OF THUNDER (%) 50 0 0 0  
TEMP (24H TREND) 55 (-7) 77 (+1) 48 77  
RH % (24H TREND) 97 (-3) 45 (-32) 92 38  
WIND 20FT/EARLY(MPH) LGT/VAR LGT/VAR N 5 LGT/VAR  
WIND 20FT/LATE(MPH) LGT/VAR N 7 LGT/VAR LGT/VAR  
PRECIP AMOUNT 0.04 0.00 0.00 0.00  
PRECIP DURATION 0  
PRECIP BEGIN 6 PM  
PRECIP END 8 PM  
MIXING HGT(M-AGL/MSL) 1820 1120  
MIXING HGT(FT-AGL/MSL) 5960 3690  
TRANSPORT WND (MPH) N 16 NW 9  
VENT RATE (KT-FT) 83440 29520  
CATEGORY DAY 4 3  
INVERSION 7PM 63F/9AM 8PM 57F/9AM  
DISPERSION 4 3  
MAX ADI EARLY 3 VERY POOR 38 FAIR 11 POOR 24 FAIR  
MAX ADI LATE 3 VERY POOR 106 VERY GOOD5 VERY POOR 44 GEN GOOD  
MAX LVORI EARLY 6 6 3 5  
MAX LVORI LATE 8 1 6 2  
 
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.  
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.  
 
 
 
OHZ069-280815-  
MONROE-  
INCLUDING THE CITY OF WOODSFIELD  
1254 PM EDT WED MAY 27 2026  
 
TONIGHT THU THU NIGHT FRI  
 
CLOUD COVER PCLDY MCLEAR CLEAR MCLEAR  
PRECIP TYPE TSTMS NONE NONE NONE  
CHANCE PRECIP (%) 50 0 0 0  
CHANCE OF THUNDER (%) 50 0 0 0  
TEMP (24H TREND) 57 (-6) 77 (+1) 49 78  
RH % (24H TREND) 94 (-6) 44 (-31) 89 37  
WIND 20FT/EARLY(MPH) LGT/VAR LGT/VAR N 5 LGT/VAR  
WIND 20FT/LATE(MPH) LGT/VAR N 7 LGT/VAR LGT/VAR  
PRECIP AMOUNT 0.05 0.00 0.00 0.00  
PRECIP DURATION 1  
PRECIP BEGIN 6 PM  
PRECIP END 9 PM  
MIXING HGT(M-AGL/MSL) 1840 1230  
MIXING HGT(FT-AGL/MSL) 6020 4040  
TRANSPORT WND (MPH) N 16 W 9  
VENT RATE (KT-FT) 84280 32320  
CATEGORY DAY 4 3  
INVERSION 8PM 63F/9AM 8PM 58F/9AM  
DISPERSION 4 3  
MAX ADI EARLY 3 VERY POOR 40 FAIR 11 POOR 23 FAIR  
MAX ADI LATE 3 VERY POOR 108 VERY GOOD4 VERY POOR 48 GEN GOOD  
MAX LVORI EARLY 6 6 3 5  
MAX LVORI LATE 7 1 6 2  
 
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.  
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.  
 
 
 
PAZ007-280815-  
MERCER-  
INCLUDING THE CITIES OF SHARON, HERMITAGE, AND GROVE CITY  
1254 PM EDT WED MAY 27 2026  
 
TONIGHT THU THU NIGHT FRI  
 
CLOUD COVER PCLDY MCLEAR MCLEAR MCLEAR  
PRECIP TYPE NONE NONE NONE NONE  
CHANCE PRECIP (%) 0 0 0 0  
CHANCE OF THUNDER (%) 0 0 0 0  
TEMP (24H TREND) 53 (-7) 71 (-9) 47 76  
RH % (24H TREND) 79 (-18) 45 (-2) 89 38  
WIND 20FT/EARLY(MPH) N 5 N 5 N 5 LGT/VAR  
WIND 20FT/LATE(MPH) LGT/VAR N 10 LGT/VAR W 7  
PRECIP AMOUNT 0.00 0.00 0.00 0.00  
PRECIP DURATION  
PRECIP BEGIN  
PRECIP END  
MIXING HGT(M-AGL/MSL) 1510 1280  
MIXING HGT(FT-AGL/MSL) 4950 4190  
TRANSPORT WND (MPH) N 20 W 15  
VENT RATE (KT-FT) 84150 54470  
CATEGORY DAY 4 4  
INVERSION 7PM 60F/9AM 8PM 59F/9AM  
DISPERSION 4 4  
MAX ADI EARLY 8 POOR 83 GOOD 12 POOR 31 FAIR  
MAX ADI LATE 6 VERY POOR 79 GOOD 3 VERY POOR 76 GOOD  
MAX LVORI EARLY 3 4 4 6  
MAX LVORI LATE 4 1 7 1  
 
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.  
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.  
 
 
 
PAZ008-280815-  
VENANGO-  
INCLUDING THE CITIES OF OIL CITY AND FRANKLIN  
1254 PM EDT WED MAY 27 2026  
 
TONIGHT THU THU NIGHT FRI  
 
CLOUD COVER PCLDY MCLEAR CLEAR MCLEAR  
PRECIP TYPE NONE NONE NONE NONE  
CHANCE PRECIP (%) 0 0 0 0  
CHANCE OF THUNDER (%) 0 0 0 0  
TEMP (24H TREND) 52 (-8) 71 (-10) 46 75  
RH % (24H TREND) 78 (-19) 43 (-5) 88 38  
WIND 20FT/EARLY(MPH) LGT/VAR N 5 LGT/VAR LGT/VAR  
WIND 20FT/LATE(MPH) LGT/VAR N 9 LGT/VAR W 6  
PRECIP AMOUNT 0.00 0.00 0.00 0.00  
PRECIP DURATION  
PRECIP BEGIN  
PRECIP END  
MIXING HGT(M-AGL/MSL) 1590 1370  
MIXING HGT(FT-AGL/MSL) 5230 4490  
TRANSPORT WND (MPH) N 20 W 17  
VENT RATE (KT-FT) 88910 67350  
CATEGORY DAY 4 4  
INVERSION 7PM 59F/9AM 8PM 59F/9AM  
DISPERSION 4 4  
MAX ADI EARLY 8 POOR 97 GOOD 11 POOR 43 GEN GOOD  
MAX ADI LATE 6 VERY POOR 114 VERY GOOD3 VERY POOR 89 GOOD  
MAX LVORI EARLY 3 4 3 5  
MAX LVORI LATE 4 1 6 1  
 
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.  
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.  
 
 
 
PAZ009-280815-  
FOREST-  
INCLUDING THE CITY OF TIONESTA  
1254 PM EDT WED MAY 27 2026  
 
TONIGHT THU THU NIGHT FRI  
 
CLOUD COVER PCLDY MCLEAR MCLEAR MCLEAR  
PRECIP TYPE NONE NONE NONE NONE  
CHANCE PRECIP (%) 0 0 0 0  
CHANCE OF THUNDER (%) 0 0 0 0  
TEMP (24H TREND) 51 (-8) 69 (-12) 45 75  
RH % (24H TREND) 79 (-16) 40 (-4) 86 34  
WIND 20FT/EARLY(MPH) LGT/VAR LGT/VAR LGT/VAR LGT/VAR  
WIND 20FT/LATE(MPH) LGT/VAR N 8 G17 LGT/VAR W 6  
PRECIP AMOUNT 0.00 0.00 0.00 0.00  
PRECIP DURATION  
PRECIP BEGIN  
PRECIP END  
MIXING HGT(M-AGL/MSL) 1610 1440  
MIXING HGT(FT-AGL/MSL) 5290 4740  
TRANSPORT WND (MPH) N 20 W 18  
VENT RATE (KT-FT) 89930 75840  
CATEGORY DAY 4 4  
INVERSION 7PM 59F/9AM 8PM 58F/9AM  
DISPERSION 4 4  
MAX ADI EARLY 9 POOR 97 GOOD 11 POOR 43 GEN GOOD  
MAX ADI LATE 5 VERY POOR 115 VERY GOOD3 VERY POOR 100 GOOD  
MAX LVORI EARLY 3 4 3 5  
MAX LVORI LATE 4 1 6 1  
 
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.  
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.  
 
 
 
PAZ013-280815-  
LAWRENCE-  
INCLUDING THE CITIES OF NEW CASTLE AND ELLWOOD CITY  
1254 PM EDT WED MAY 27 2026  
 
TONIGHT THU THU NIGHT FRI  
 
CLOUD COVER PCLDY MCLEAR MCLEAR MCLEAR  
PRECIP TYPE NONE NONE NONE NONE  
CHANCE PRECIP (%) 0 0 0 0  
CHANCE OF THUNDER (%) 0 0 0 0  
TEMP (24H TREND) 53 (-8) 72 (-9) 47 77  
RH % (24H TREND) 81 (-17) 42 (-8) 89 37  
WIND 20FT/EARLY(MPH) LGT/VAR LGT/VAR N 5 LGT/VAR  
WIND 20FT/LATE(MPH) LGT/VAR N 10 LGT/VAR W 5  
PRECIP AMOUNT 0.00 0.00 0.00 0.00  
PRECIP DURATION  
PRECIP BEGIN  
PRECIP END  
MIXING HGT(M-AGL/MSL) 1590 1300  
MIXING HGT(FT-AGL/MSL) 5230 4250  
TRANSPORT WND (MPH) N 20 W 15  
VENT RATE (KT-FT) 88910 55250  
CATEGORY DAY 4 4  
INVERSION 7PM 62F/9AM 8PM 60F/9AM  
DISPERSION 4 4  
MAX ADI EARLY 8 POOR 76 GOOD 12 POOR 26 FAIR  
MAX ADI LATE 4 VERY POOR 100 GOOD 4 VERY POOR 73 GOOD  
MAX LVORI EARLY 3 4 3 6  
MAX LVORI LATE 5 1 6 1  
 
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.  
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.  
 
 
 
PAZ014-280815-  
BUTLER-  
INCLUDING THE CITY OF BUTLER  
1254 PM EDT WED MAY 27 2026  
 
TONIGHT THU THU NIGHT FRI  
 
CLOUD COVER PCLDY MCLEAR CLEAR MCLEAR  
PRECIP TYPE NONE NONE NONE NONE  
CHANCE PRECIP (%) 0 0 0 0  
CHANCE OF THUNDER (%) 0 0 0 0  
TEMP (24H TREND) 53 (-8) 72 (-7) 46 76  
RH % (24H TREND) 82 (-15) 45 (-11) 89 41  
WIND 20FT/EARLY(MPH) LGT/VAR LGT/VAR N 5 LGT/VAR  
WIND 20FT/LATE(MPH) LGT/VAR N 9 LGT/VAR W 5  
PRECIP AMOUNT 0.00 0.00 0.00 0.00  
PRECIP DURATION  
PRECIP BEGIN  
PRECIP END  
MIXING HGT(M-AGL/MSL) 1710 1400  
MIXING HGT(FT-AGL/MSL) 5600 4600  
TRANSPORT WND (MPH) N 20 W 16  
VENT RATE (KT-FT) 95200 64400  
CATEGORY DAY 4 4  
INVERSION 7PM 61F/9AM 8PM 60F/9AM  
DISPERSION 4 4  
MAX ADI EARLY 7 POOR 84 GOOD 12 POOR 28 FAIR  
MAX ADI LATE 4 VERY POOR 115 VERY GOOD4 VERY POOR 81 GOOD  
MAX LVORI EARLY 3 4 3 6  
MAX LVORI LATE 5 1 6 1  
 
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.  
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.  
 
 
 
PAZ015-280815-  
CLARION-  
INCLUDING THE CITY OF CLARION  
1254 PM EDT WED MAY 27 2026  
 
TONIGHT THU THU NIGHT FRI  
 
CLOUD COVER PCLDY MCLEAR CLEAR MCLEAR  
PRECIP TYPE NONE NONE NONE NONE  
CHANCE PRECIP (%) 0 0 0 0  
CHANCE OF THUNDER (%) 0 0 0 0  
TEMP (24H TREND) 53 (-8) 72 (-8) 46 75  
RH % (24H TREND) 79 (-14) 41 (-9) 87 36  
WIND 20FT/EARLY(MPH) LGT/VAR LGT/VAR LGT/VAR LGT/VAR  
WIND 20FT/LATE(MPH) LGT/VAR N 9 LGT/VAR W 6  
PRECIP AMOUNT 0.00 0.00 0.00 0.00  
PRECIP DURATION  
PRECIP BEGIN  
PRECIP END  
MIXING HGT(M-AGL/MSL) 1750 1450  
MIXING HGT(FT-AGL/MSL) 5750 4760  
TRANSPORT WND (MPH) N 20 W 17  
VENT RATE (KT-FT) 97750 71400  
CATEGORY DAY 4 4  
INVERSION 7PM 60F/9AM 8PM 59F/9AM  
DISPERSION 4 4  
MAX ADI EARLY 8 POOR 102 VERY GOOD11 POOR 39 FAIR  
MAX ADI LATE 5 VERY POOR 126 VERY GOOD3 VERY POOR 94 GOOD  
MAX LVORI EARLY 3 4 3 5  
MAX LVORI LATE 4 1 6 1  
 
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.  
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.  
 
 
 
PAZ016-280815-  
JEFFERSON PA-  
INCLUDING THE CITIES OF PUNXSUTAWNEY AND BROOKVILLE  
1254 PM EDT WED MAY 27 2026  
 
TONIGHT THU THU NIGHT FRI  
 
CLOUD COVER PCLDY MCLEAR MCLEAR MCLEAR  
PRECIP TYPE NONE NONE NONE NONE  
CHANCE PRECIP (%) 0 0 0 0  
CHANCE OF THUNDER (%) 0 0 0 0  
TEMP (24H TREND) 53 (-8) 70 (-9) 45 74  
RH % (24H TREND) 77 (-19) 40 (-9) 84 36  
WIND 20FT/EARLY(MPH) LGT/VAR N 5 N 5 LGT/VAR  
WIND 20FT/LATE(MPH) LGT/VAR N 9 G17 LGT/VAR W 7  
PRECIP AMOUNT 0.00 0.00 0.00 0.00  
PRECIP DURATION  
PRECIP BEGIN  
PRECIP END  
MIXING HGT(M-AGL/MSL) 1790 1510  
MIXING HGT(FT-AGL/MSL) 5860 4950  
TRANSPORT WND (MPH) N 20 W 18  
VENT RATE (KT-FT) 99620 79200  
CATEGORY DAY 5 4  
INVERSION 8PM 60F/9AM 8PM 58F/9AM  
DISPERSION 5 4  
MAX ADI EARLY 8 POOR 112 VERY GOOD12 POOR 45 GEN GOOD  
MAX ADI LATE 4 VERY POOR 133 VERY GOOD3 VERY POOR 104 VERY GOOD  
MAX LVORI EARLY 3 4 3 4  
MAX LVORI LATE 4 1 5 1  
 
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.  
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.  
 
 
 
PAZ020-280815-  
BEAVER-  
INCLUDING THE CITIES OF ALIQUIPPA, BEAVER FALLS, AMBRIDGE,  
AND MONACA  
1254 PM EDT WED MAY 27 2026  
 
TONIGHT THU THU NIGHT FRI  
 
CLOUD COVER PCLDY MCLEAR CLEAR MCLEAR  
PRECIP TYPE NONE NONE NONE NONE  
CHANCE PRECIP (%) 0 0 0 0  
CHANCE OF THUNDER (%) 0 0 0 0  
TEMP (24H TREND) 55 (-9) 73 (-6) 48 77  
RH % (24H TREND) 80 (-18) 41 (-15) 85 38  
WIND 20FT/EARLY(MPH) LGT/VAR LGT/VAR N 5 LGT/VAR  
WIND 20FT/LATE(MPH) LGT/VAR N 9 LGT/VAR LGT/VAR  
PRECIP AMOUNT 0.00 0.00 0.00 0.00  
PRECIP DURATION  
PRECIP BEGIN  
PRECIP END  
MIXING HGT(M-AGL/MSL) 1720 1390  
MIXING HGT(FT-AGL/MSL) 5640 4560  
TRANSPORT WND (MPH) N 18 W 14  
VENT RATE (KT-FT) 90240 54720  
CATEGORY DAY 4 4  
INVERSION 8PM 63F/9AM 8PM 60F/9AM  
DISPERSION 4 4  
MAX ADI EARLY 6 VERY POOR 66 GOOD 12 POOR 22 FAIR  
MAX ADI LATE 4 VERY POOR 114 VERY GOOD4 VERY POOR 75 GOOD  
MAX LVORI EARLY 3 4 3 5  
MAX LVORI LATE 4 1 5 2  
 
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.  
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.  
 
 
 
PAZ021-280815-  
ALLEGHENY-  
INCLUDING THE CITY OF PITTSBURGH METRO AREA  
1254 PM EDT WED MAY 27 2026  
 
TONIGHT THU THU NIGHT FRI  
 
CLOUD COVER PCLDY MCLEAR CLEAR MCLEAR  
PRECIP TYPE NONE NONE NONE NONE  
CHANCE PRECIP (%) 0 0 0 0  
CHANCE OF THUNDER (%) 0 0 0 0  
TEMP (24H TREND) 56 (-8) 74 (-3) 48 77  
RH % (24H TREND) 84 (-13) 43 (-19) 85 39  
WIND 20FT/EARLY(MPH) LGT/VAR LGT/VAR N 6 LGT/VAR  
WIND 20FT/LATE(MPH) LGT/VAR N 11 LGT/VAR LGT/VAR  
PRECIP AMOUNT 0.00 0.00 0.00 0.00  
PRECIP DURATION  
PRECIP BEGIN  
PRECIP END  
MIXING HGT(M-AGL/MSL) 1860 1410  
MIXING HGT(FT-AGL/MSL) 6090 4620  
TRANSPORT WND (MPH) NW 20 W 14  
VENT RATE (KT-FT) 103530 55440  
CATEGORY DAY 5 4  
INVERSION 8PM 63F/9AM 8PM 58F/9AM  
DISPERSION 5 4  
MAX ADI EARLY 6 VERY POOR 64 GOOD 13 GEN POOR 21 FAIR  
MAX ADI LATE 4 VERY POOR 86 GOOD 4 VERY POOR 72 GOOD  
MAX LVORI EARLY 3 4 3 5  
MAX LVORI LATE 5 1 5 2  
 
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.  
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.  
 
 
 
PAZ022-280815-  
ARMSTRONG-  
INCLUDING THE CITIES OF KITTANNING AND FORD CITY  
1254 PM EDT WED MAY 27 2026  
 
TONIGHT THU THU NIGHT FRI  
 
CLOUD COVER PCLDY MCLEAR MCLEAR MCLEAR  
PRECIP TYPE NONE NONE NONE NONE  
CHANCE PRECIP (%) 0 0 0 0  
CHANCE OF THUNDER (%) 0 0 0 0  
TEMP (24H TREND) 53 (-9) 73 (-6) 46 76  
RH % (24H TREND) 85 (-15) 43 (-14) 89 41  
WIND 20FT/EARLY(MPH) LGT/VAR LGT/VAR N 5 LGT/VAR  
WIND 20FT/LATE(MPH) LGT/VAR N 9 LGT/VAR W 6  
PRECIP AMOUNT 0.00 0.00 0.00 0.00  
PRECIP DURATION  
PRECIP BEGIN  
PRECIP END  
MIXING HGT(M-AGL/MSL) 1830 1420  
MIXING HGT(FT-AGL/MSL) 5990 4660  
TRANSPORT WND (MPH) NW 20 W 16  
VENT RATE (KT-FT) 101830 65240  
CATEGORY DAY 5 4  
INVERSION 7PM 61F/9AM 8PM 59F/9AM  
DISPERSION 5 4  
MAX ADI EARLY 7 POOR 91 GOOD 12 POOR 30 FAIR  
MAX ADI LATE 4 VERY POOR 125 VERY GOOD4 VERY POOR 87 GOOD  
MAX LVORI EARLY 3 4 3 6  
MAX LVORI LATE 5 1 6 1  
 
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.  
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.  
 
 
 
PAZ029-280815-  
WASHINGTON-  
INCLUDING THE CITIES OF WASHINGTON AND CANONSBURG  
1254 PM EDT WED MAY 27 2026  
 
TONIGHT THU THU NIGHT FRI  
 
CLOUD COVER PCLDY MCLEAR CLEAR MCLEAR  
PRECIP TYPE NONE NONE NONE NONE  
CHANCE PRECIP (%) 0 0 0 0  
CHANCE OF THUNDER (%) 0 0 0 0  
TEMP (24H TREND) 55 (-8) 74 (-1) 48 75  
RH % (24H TREND) 89 (-10) 44 (-24) 87 40  
WIND 20FT/EARLY(MPH) LGT/VAR LGT/VAR N 6 LGT/VAR  
WIND 20FT/LATE(MPH) LGT/VAR N 9 LGT/VAR LGT/VAR  
PRECIP AMOUNT 0.00 0.00 0.00 0.00  
PRECIP DURATION  
PRECIP BEGIN  
PRECIP END  
MIXING HGT(M-AGL/MSL) 1820 1260  
MIXING HGT(FT-AGL/MSL) 5980 4150  
TRANSPORT WND (MPH) N 18 W 13  
VENT RATE (KT-FT) 95680 45650  
CATEGORY DAY 4 3  
INVERSION 7PM 62F/9AM 8PM 57F/9AM  
DISPERSION 4 3  
MAX ADI EARLY 4 VERY POOR 50 GEN GOOD 12 POOR 18 GEN POOR  
MAX ADI LATE 3 VERY POOR 85 GOOD 4 VERY POOR 59 GEN GOOD  
MAX LVORI EARLY 4 4 3 4  
MAX LVORI LATE 5 1 5 2  
 
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.  
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.  
 
 
 
PAZ031-280815-  
GREENE-  
INCLUDING THE CITY OF WAYNESBURG  
1254 PM EDT WED MAY 27 2026  
 
TONIGHT THU THU NIGHT FRI  
 
CLOUD COVER PCLDY MCLEAR CLEAR MCLEAR  
PRECIP TYPE TSTMS NONE NONE NONE  
CHANCE PRECIP (%) 50 0 0 0  
CHANCE OF THUNDER (%) 50 0 0 0  
TEMP (24H TREND) 56 (-7) 74 (0) 48 76  
RH % (24H TREND) 92 (-7) 47 (-31) 87 40  
WIND 20FT/EARLY(MPH) LGT/VAR LGT/VAR N 5 LGT/VAR  
WIND 20FT/LATE(MPH) LGT/VAR N 8 LGT/VAR LGT/VAR  
PRECIP AMOUNT 0.03 0.00 0.00 0.00  
PRECIP DURATION 1  
PRECIP BEGIN 6 PM  
PRECIP END 9 PM  
MIXING HGT(M-AGL/MSL) 1860 1260  
MIXING HGT(FT-AGL/MSL) 6100 4150  
TRANSPORT WND (MPH) N 17 W 12  
VENT RATE (KT-FT) 91500 41500  
CATEGORY DAY 4 3  
INVERSION 7PM 63F/9AM 8PM 58F/9AM  
DISPERSION 4 3  
MAX ADI EARLY 3 VERY POOR 44 GEN GOOD 11 POOR 20 GEN POOR  
MAX ADI LATE 3 VERY POOR 115 VERY GOOD4 VERY POOR 60 GEN GOOD  
MAX LVORI EARLY 5 6 3 5  
MAX LVORI LATE 6 1 5 2  
 
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.  
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.  
 
 
 
PAZ073-280815-  
WESTMORELAND-  
INCLUDING THE CITIES OF MURRYSVILLE, GREENSBURG, NEW KENSINGTON,  
LOWER BURRELL, LATROBE, AND MONESSEN  
1254 PM EDT WED MAY 27 2026  
 
TONIGHT THU THU NIGHT FRI  
 
CLOUD COVER PCLDY MCLEAR CLEAR MCLEAR  
PRECIP TYPE NONE NONE NONE NONE  
CHANCE PRECIP (%) 0 0 0 0  
CHANCE OF THUNDER (%) 0 0 0 0  
TEMP (24H TREND) 55 (-8) 74 (-3) 47 76  
RH % (24H TREND) 94 (-6) 44 (-21) 89 41  
WIND 20FT/EARLY(MPH) LGT/VAR LGT/VAR N 6 LGT/VAR  
WIND 20FT/LATE(MPH) LGT/VAR NW 10 LGT/VAR LGT/VAR  
PRECIP AMOUNT 0.00 0.00 0.00 0.00  
PRECIP DURATION  
PRECIP BEGIN  
PRECIP END  
MIXING HGT(M-AGL/MSL) 1860 1350  
MIXING HGT(FT-AGL/MSL) 6110 4430  
TRANSPORT WND (MPH) NW 20 W 14  
VENT RATE (KT-FT) 103870 53160  
CATEGORY DAY 5 4  
INVERSION 7PM 62F/9AM 8PM 59F/9AM  
DISPERSION 5 4  
MAX ADI EARLY 5 VERY POOR 61 GOOD 11 POOR 21 FAIR  
MAX ADI LATE 3 VERY POOR 87 GOOD 4 VERY POOR 66 GOOD  
MAX LVORI EARLY 5 6 3 6  
MAX LVORI LATE 6 1 6 2  
 
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.  
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.  
 
 
 
PAZ074-280815-  
HIGHER ELEVATIONS OF WESTMORELAND-  
INCLUDING THE CITIES OF LIGONIER AND DONEGAL  
1254 PM EDT WED MAY 27 2026  
 
TONIGHT THU THU NIGHT FRI  
 
CLOUD COVER PCLDY MCLEAR MCLEAR MCLEAR  
PRECIP TYPE NONE NONE NONE NONE  
CHANCE PRECIP (%) 0 0 0 0  
CHANCE OF THUNDER (%) 0 0 0 0  
TEMP (24H TREND) 55 (-8) 74 (-1) 47 76  
RH % (24H TREND) 90 (-10) 41 (-21) 82 36  
WIND 20FT/EARLY(MPH) LGT/VAR LGT/VAR N 5 G17 LGT/VAR  
WIND 20FT/LATE(MPH) LGT/VAR NW 9 G18 LGT/VAR LGT/VAR  
PRECIP AMOUNT 0.00 0.00 0.00 0.00  
PRECIP DURATION  
PRECIP BEGIN  
PRECIP END  
MIXING HGT(M-AGL/MSL) 1820 1210  
MIXING HGT(FT-AGL/MSL) 5980 3990  
TRANSPORT WND (MPH) NW 21 W 15  
VENT RATE (KT-FT) 107640 51870  
CATEGORY DAY 5 4  
INVERSION 7PM 61F/9AM 8PM 59F/9AM  
DISPERSION 5 4  
MAX ADI EARLY 6 VERY POOR 71 GOOD 12 POOR 26 FAIR  
MAX ADI LATE 3 VERY POOR 126 VERY GOOD4 VERY POOR 69 GOOD  
MAX LVORI EARLY 5 5 3 5  
MAX LVORI LATE 6 1 5 1  
 
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.  
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.  
 
 
 
PAZ075-280815-  
FAYETTE-  
INCLUDING THE CITY OF UNIONTOWN  
1254 PM EDT WED MAY 27 2026  
 
TONIGHT THU THU NIGHT FRI  
 
CLOUD COVER PCLDY MCLEAR CLEAR MCLEAR  
PRECIP TYPE TSTMS NONE NONE NONE  
CHANCE PRECIP (%) 40 0 0 0  
CHANCE OF THUNDER (%) 40 0 0 0  
TEMP (24H TREND) 56 (-7) 74 (-1) 47 75  
RH % (24H TREND) 95 (-4) 47 (-26) 89 41  
WIND 20FT/EARLY(MPH) LGT/VAR LGT/VAR LGT/VAR LGT/VAR  
WIND 20FT/LATE(MPH) LGT/VAR NW 8 LGT/VAR LGT/VAR  
PRECIP AMOUNT 0.01 0.00 0.00 0.00  
PRECIP DURATION 0  
PRECIP BEGIN 6 PM  
PRECIP END 8 PM  
MIXING HGT(M-AGL/MSL) 1880 1210  
MIXING HGT(FT-AGL/MSL) 6180 3960  
TRANSPORT WND (MPH) NW 18 W 12  
VENT RATE (KT-FT) 98880 39600  
CATEGORY DAY 4 3  
INVERSION 7PM 63F/9AM 8PM 59F/9AM  
DISPERSION 4 3  
MAX ADI EARLY 3 VERY POOR 42 GEN GOOD 10 POOR 21 FAIR  
MAX ADI LATE 3 VERY POOR 125 VERY GOOD4 VERY POOR 56 GEN GOOD  
MAX LVORI EARLY 5 6 3 5  
MAX LVORI LATE 7 1 6 2  
 
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.  
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.  
 
 
 
PAZ076-280815-  
HIGHER ELEVATIONS OF FAYETTE-  
INCLUDING THE CITIES OF CHAMPION AND OHIOPYLE  
1254 PM EDT WED MAY 27 2026  
 
TONIGHT THU THU NIGHT FRI  
 
CLOUD COVER PCLDY MCLEAR CLEAR MCLEAR  
PRECIP TYPE TSTMS NONE NONE NONE  
CHANCE PRECIP (%) 40 0 0 0  
CHANCE OF THUNDER (%) 40 0 0 0  
TEMP (24H TREND) 55 (-6) 73 (0) 46 74  
RH % (24H TREND) 96 (-4) 44 (-27) 85 39  
WIND 20FT/EARLY(MPH) LGT/VAR LGT/VAR LGT/VAR LGT/VAR  
WIND 20FT/LATE(MPH) LGT/VAR NW 7 LGT/VAR LGT/VAR  
PRECIP AMOUNT 0.01 0.00 0.00 0.00  
PRECIP DURATION 0  
PRECIP BEGIN 6 PM  
PRECIP END 8 PM  
MIXING HGT(M-AGL/MSL) 1790 1180  
MIXING HGT(FT-AGL/MSL) 5890 3870  
TRANSPORT WND (MPH) NW 20 W 12  
VENT RATE (KT-FT) 100130 38700  
CATEGORY DAY 5 3  
INVERSION 7PM 61F/9AM 8PM 58F/9AM  
DISPERSION 5 3  
MAX ADI EARLY 3 VERY POOR 58 GEN GOOD 10 POOR 23 FAIR  
MAX ADI LATE 3 VERY POOR 129 VERY GOOD4 VERY POOR 63 GOOD  
MAX LVORI EARLY 5 6 3 5  
MAX LVORI LATE 7 1 5 2  
 
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.  
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.  
 
 
 
PAZ077-280815-  
INDIANA-  
INCLUDING THE CITY OF INDIANA  
1254 PM EDT WED MAY 27 2026  
 
TONIGHT THU THU NIGHT FRI  
 
CLOUD COVER PCLDY MCLEAR MCLEAR MCLEAR  
PRECIP TYPE NONE NONE NONE NONE  
CHANCE PRECIP (%) 0 0 0 0  
CHANCE OF THUNDER (%) 0 0 0 0  
TEMP (24H TREND) 54 (-8) 73 (-5) 46 76  
RH % (24H TREND) 87 (-13) 43 (-14) 87 40  
WIND 20FT/EARLY(MPH) LGT/VAR LGT/VAR N 5 LGT/VAR  
WIND 20FT/LATE(MPH) LGT/VAR NW 10 G17 LGT/VAR W 6  
PRECIP AMOUNT 0.00 0.00 0.00 0.00  
PRECIP DURATION  
PRECIP BEGIN  
PRECIP END  
MIXING HGT(M-AGL/MSL) 1870 1400  
MIXING HGT(FT-AGL/MSL) 6130 4600  
TRANSPORT WND (MPH) NW 20 W 16  
VENT RATE (KT-FT) 104210 64400  
CATEGORY DAY 5 4  
INVERSION 7PM 61F/9AM 8PM 59F/9AM  
DISPERSION 5 4  
MAX ADI EARLY 8 POOR 86 GOOD 11 POOR 33 FAIR  
MAX ADI LATE 3 VERY POOR 109 VERY GOOD3 VERY POOR 85 GOOD  
MAX LVORI EARLY 4 5 3 5  
MAX LVORI LATE 5 1 6 1  
 
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.  
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.  
 
 
 
PAZ078-280815-  
HIGHER ELEVATIONS OF INDIANA-  
INCLUDING THE CITY OF ARMAGH  
1254 PM EDT WED MAY 27 2026  
 
TONIGHT THU THU NIGHT FRI  
 
CLOUD COVER PCLDY MCLEAR MCLEAR MCLEAR  
PRECIP TYPE NONE NONE NONE NONE  
CHANCE PRECIP (%) 0 0 0 0  
CHANCE OF THUNDER (%) 0 0 0 0  
TEMP (24H TREND) 54 (-9) 73 (-3) 47 75  
RH % (24H TREND) 89 (-11) 42 (-16) 83 38  
WIND 20FT/EARLY(MPH) LGT/VAR LGT/VAR N 5 LGT/VAR  
WIND 20FT/LATE(MPH) LGT/VAR NW 10 G18 LGT/VAR W 6  
PRECIP AMOUNT 0.00 0.00 0.00 0.00  
PRECIP DURATION  
PRECIP BEGIN  
PRECIP END  
MIXING HGT(M-AGL/MSL) 1850 1320  
MIXING HGT(FT-AGL/MSL) 6070 4310  
TRANSPORT WND (MPH) NW 21 W 16  
VENT RATE (KT-FT) 109260 60340  
CATEGORY DAY 5 4  
INVERSION 7PM 61F/9AM 8PM 59F/9AM  
DISPERSION 5 4  
MAX ADI EARLY 7 POOR 82 GOOD 12 POOR 32 FAIR  
MAX ADI LATE 3 VERY POOR 108 VERY GOOD3 VERY POOR 81 GOOD  
MAX LVORI EARLY 4 5 3 5  
MAX LVORI LATE 6 1 5 1  
 
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.  
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.  
 
 
 
WVZ001-280815-  
HANCOCK-  
INCLUDING THE CITY OF WEIRTON  
1254 PM EDT WED MAY 27 2026  
 
TONIGHT THU THU NIGHT FRI  
 
CLOUD COVER PCLDY MCLEAR CLEAR MCLEAR  
PRECIP TYPE NONE NONE NONE NONE  
CHANCE PRECIP (%) 0 0 0 0  
CHANCE OF THUNDER (%) 0 0 0 0  
TEMP (24H TREND) 56 (-8) 74 (-3) 49 77  
RH % (24H TREND) 80 (-20) 40 (-18) 84 38  
WIND 20FT/EARLY(MPH) LGT/VAR LGT/VAR N 6 LGT/VAR  
WIND 20FT/LATE(MPH) LGT/VAR N 9 LGT/VAR LGT/VAR  
PRECIP AMOUNT 0.00 0.00 0.00 0.00  
PRECIP DURATION  
PRECIP BEGIN  
PRECIP END  
MIXING HGT(M-AGL/MSL) 1750 1380  
MIXING HGT(FT-AGL/MSL) 5750 4530  
TRANSPORT WND (MPH) N 18 W 13  
VENT RATE (KT-FT) 92000 49830  
CATEGORY DAY 4 4  
INVERSION 8PM 62F/9AM 8PM 58F/9AM  
DISPERSION 4 4  
MAX ADI EARLY 5 VERY POOR 61 GOOD 12 POOR 18 GEN POOR  
MAX ADI LATE 4 VERY POOR 117 VERY GOOD4 VERY POOR 71 GOOD  
MAX LVORI EARLY 3 4 3 5  
MAX LVORI LATE 4 1 5 2  
 
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.  
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.  
 
 
 
WVZ002-280815-  
BROOKE-  
INCLUDING THE CITIES OF FOLLANSBEE AND WELLSBURG  
1254 PM EDT WED MAY 27 2026  
 
TONIGHT THU THU NIGHT FRI  
 
CLOUD COVER PCLDY MCLEAR CLEAR MCLEAR  
PRECIP TYPE NONE NONE NONE NONE  
CHANCE PRECIP (%) 0 0 0 0  
CHANCE OF THUNDER (%) 0 0 0 0  
TEMP (24H TREND) 57 (-7) 74 (-2) 49 77  
RH % (24H TREND) 82 (-18) 40 (-23) 82 37  
WIND 20FT/EARLY(MPH) LGT/VAR LGT/VAR N 6 LGT/VAR  
WIND 20FT/LATE(MPH) LGT/VAR N 9 LGT/VAR LGT/VAR  
PRECIP AMOUNT 0.00 0.00 0.00 0.00  
PRECIP DURATION  
PRECIP BEGIN  
PRECIP END  
MIXING HGT(M-AGL/MSL) 1810 1250  
MIXING HGT(FT-AGL/MSL) 5940 4090  
TRANSPORT WND (MPH) N 18 W 13  
VENT RATE (KT-FT) 95040 44990  
CATEGORY DAY 4 3  
INVERSION 8PM 63F/9AM 8PM 58F/9AM  
DISPERSION 4 3  
MAX ADI EARLY 4 VERY POOR 49 GEN GOOD 11 POOR 18 GEN POOR  
MAX ADI LATE 3 VERY POOR 119 VERY GOOD4 VERY POOR 62 GOOD  
MAX LVORI EARLY 4 4 3 4  
MAX LVORI LATE 5 1 5 2  
 
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.  
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.  
 
 
 
WVZ003-280815-  
OHIO-  
INCLUDING THE CITY OF WHEELING  
1254 PM EDT WED MAY 27 2026  
 
TONIGHT THU THU NIGHT FRI  
 
CLOUD COVER PCLDY MCLEAR CLEAR MCLEAR  
PRECIP TYPE TSTMS NONE NONE NONE  
CHANCE PRECIP (%) 30 0 0 0  
CHANCE OF THUNDER (%) 20 0 0 0  
TEMP (24H TREND) 56 (-8) 75 (-1) 49 76  
RH % (24H TREND) 89 (-10) 43 (-27) 85 39  
WIND 20FT/EARLY(MPH) LGT/VAR LGT/VAR N 6 LGT/VAR  
WIND 20FT/LATE(MPH) LGT/VAR N 9 LGT/VAR LGT/VAR  
PRECIP AMOUNT 0.00 0.00 0.00 0.00  
PRECIP DURATION 0  
PRECIP BEGIN 6 PM  
PRECIP END 8 PM  
MIXING HGT(M-AGL/MSL) 1790 1160  
MIXING HGT(FT-AGL/MSL) 5870 3810  
TRANSPORT WND (MPH) N 17 W 12  
VENT RATE (KT-FT) 88050 38100  
CATEGORY DAY 4 3  
INVERSION 7PM 63F/9AM 8PM 58F/9AM  
DISPERSION 4 3  
MAX ADI EARLY 3 VERY POOR 44 GEN GOOD 11 POOR 20 GEN POOR  
MAX ADI LATE 3 VERY POOR 113 VERY GOOD4 VERY POOR 55 GEN GOOD  
MAX LVORI EARLY 5 4 3 4  
MAX LVORI LATE 6 1 5 2  
 
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.  
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.  
 
 
 
WVZ004-280815-  
MARSHALL-  
INCLUDING THE CITY OF MOUNDSVILLE  
1254 PM EDT WED MAY 27 2026  
 
TONIGHT THU THU NIGHT FRI  
 
CLOUD COVER PCLDY MCLEAR CLEAR MCLEAR  
PRECIP TYPE TSTMS NONE NONE NONE  
CHANCE PRECIP (%) 50 0 0 0  
CHANCE OF THUNDER (%) 50 0 0 0  
TEMP (24H TREND) 58 (-7) 76 (+1) 49 77  
RH % (24H TREND) 90 (-10) 46 (-32) 84 40  
WIND 20FT/EARLY(MPH) LGT/VAR LGT/VAR N 6 LGT/VAR  
WIND 20FT/LATE(MPH) LGT/VAR N 7 LGT/VAR LGT/VAR  
PRECIP AMOUNT 0.03 0.00 0.00 0.00  
PRECIP DURATION 0  
PRECIP BEGIN 6 PM  
PRECIP END 8 PM  
MIXING HGT(M-AGL/MSL) 1810 1230  
MIXING HGT(FT-AGL/MSL) 5920 4030  
TRANSPORT WND (MPH) N 17 W 10  
VENT RATE (KT-FT) 88800 36270  
CATEGORY DAY 4 3  
INVERSION 7PM 63F/9AM 8PM 58F/9AM  
DISPERSION 4 3  
MAX ADI EARLY 3 VERY POOR 43 GEN GOOD 11 POOR 21 FAIR  
MAX ADI LATE 3 VERY POOR 110 VERY GOOD4 VERY POOR 53 GEN GOOD  
MAX LVORI EARLY 5 5 3 4  
MAX LVORI LATE 6 1 5 2  
 
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.  
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.  
 
 
 
WVZ012-280815-  
WETZEL-  
INCLUDING THE CITY OF NEW MARTINSVILLE  
1254 PM EDT WED MAY 27 2026  
 
TONIGHT THU THU NIGHT FRI  
 
CLOUD COVER PCLDY MCLEAR CLEAR MCLEAR  
PRECIP TYPE TSTMS NONE NONE NONE  
CHANCE PRECIP (%) 50 0 0 0  
CHANCE OF THUNDER (%) 50 0 0 0  
TEMP (24H TREND) 58 (-6) 75 (+1) 49 76  
RH % (24H TREND) 94 (-6) 47 (-36) 84 40  
WIND 20FT/EARLY(MPH) LGT/VAR LGT/VAR N 5 LGT/VAR  
WIND 20FT/LATE(MPH) LGT/VAR N 7 LGT/VAR LGT/VAR  
PRECIP AMOUNT 0.06 0.00 0.00 0.00  
PRECIP DURATION 1  
PRECIP BEGIN 6 PM  
PRECIP END 9 PM  
MIXING HGT(M-AGL/MSL) 1850 1290  
MIXING HGT(FT-AGL/MSL) 6060 4220  
TRANSPORT WND (MPH) N 16 W 10  
VENT RATE (KT-FT) 84840 37980  
CATEGORY DAY 4 3  
INVERSION 8PM 63F/9AM 8PM 58F/9AM  
DISPERSION 4 3  
MAX ADI EARLY 3 VERY POOR 38 FAIR 11 POOR 22 FAIR  
MAX ADI LATE 2 VERY POOR 108 VERY GOOD4 VERY POOR 56 GEN GOOD  
MAX LVORI EARLY 6 6 3 4  
MAX LVORI LATE 7 1 5 2  
 
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.  
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.  
 
 
 
WVZ021-280815-  
MARION-  
INCLUDING THE CITY OF FAIRMONT  
1254 PM EDT WED MAY 27 2026  
 
TONIGHT THU THU NIGHT FRI  
 
CLOUD COVER PCLDY MCLEAR CLEAR MCLEAR  
PRECIP TYPE TSTMS NONE NONE NONE  
CHANCE PRECIP (%) 50 0 0 0  
CHANCE OF THUNDER (%) 50 0 0 0  
TEMP (24H TREND) 57 (-6) 75 (+1) 48 76  
RH % (24H TREND) 98 (-1) 48 (-35) 90 39  
WIND 20FT/EARLY(MPH) LGT/VAR LGT/VAR LGT/VAR LGT/VAR  
WIND 20FT/LATE(MPH) LGT/VAR N 7 LGT/VAR LGT/VAR  
PRECIP AMOUNT 0.09 0.00 0.00 0.00  
PRECIP DURATION 1  
PRECIP BEGIN 6 PM  
PRECIP END 1 AM  
MIXING HGT(M-AGL/MSL) 1900 1300  
MIXING HGT(FT-AGL/MSL) 6250 4260  
TRANSPORT WND (MPH) N 17 W 10  
VENT RATE (KT-FT) 93750 38340  
CATEGORY DAY 4 3  
INVERSION 8PM 63F/9AM 8PM 57F/9AM  
DISPERSION 4 3  
MAX ADI EARLY 3 VERY POOR 42 GEN GOOD 11 POOR 22 FAIR  
MAX ADI LATE 2 VERY POOR 114 VERY GOOD4 VERY POOR 58 GEN GOOD  
MAX LVORI EARLY 6 8 3 5  
MAX LVORI LATE 9 1 6 2  
 
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.  
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.  
 
 
 
WVZ509-280815-  
MONONGALIA-  
INCLUDING THE CITY OF MORGANTOWN  
1254 PM EDT WED MAY 27 2026  
 
TONIGHT THU THU NIGHT FRI  
 
CLOUD COVER PCLDY MCLEAR CLEAR MCLEAR  
PRECIP TYPE TSTMS NONE NONE NONE  
CHANCE PRECIP (%) 50 0 0 0  
CHANCE OF THUNDER (%) 50 0 0 0  
TEMP (24H TREND) 57 (-7) 75 (+1) 48 76  
RH % (24H TREND) 94 (-5) 48 (-31) 89 39  
WIND 20FT/EARLY(MPH) LGT/VAR LGT/VAR N 5 LGT/VAR  
WIND 20FT/LATE(MPH) LGT/VAR N 7 LGT/VAR LGT/VAR  
PRECIP AMOUNT 0.07 0.00 0.00 0.00  
PRECIP DURATION 1  
PRECIP BEGIN 6 PM  
PRECIP END 1 AM  
MIXING HGT(M-AGL/MSL) 1890 1290  
MIXING HGT(FT-AGL/MSL) 6210 4220  
TRANSPORT WND (MPH) N 17 W 12  
VENT RATE (KT-FT) 93150 42200  
CATEGORY DAY 4 3  
INVERSION 7PM 63F/9AM 8PM 58F/9AM  
DISPERSION 4 3  
MAX ADI EARLY 3 VERY POOR 40 FAIR 11 POOR 21 FAIR  
MAX ADI LATE 3 VERY POOR 117 VERY GOOD4 VERY POOR 57 GEN GOOD  
MAX LVORI EARLY 5 6 3 5  
MAX LVORI LATE 7 1 6 2  
 
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.  
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.  
 
 
 
WVZ510-280815-  
RIDGES OF EASTERN MONONGALIA AND NORTHWESTERN PRESTON-  
INCLUDING THE CITY OF COOPERS ROCK  
1254 PM EDT WED MAY 27 2026  
 
TONIGHT THU THU NIGHT FRI  
 
CLOUD COVER PCLDY MCLEAR CLEAR MCLEAR  
PRECIP TYPE TSTMS NONE NONE NONE  
CHANCE PRECIP (%) 50 0 0 0  
CHANCE OF THUNDER (%) 50 0 0 0  
TEMP (24H TREND) 56 (-6) 72 (0) 46 74  
RH % (24H TREND) 98 (-2) 48 (-30) 89 39  
WIND 20FT/EARLY(MPH) LGT/VAR LGT/VAR LGT/VAR LGT/VAR  
WIND 20FT/LATE(MPH) LGT/VAR NW 7 LGT/VAR LGT/VAR  
PRECIP AMOUNT 0.07 0.00 0.00 0.00  
PRECIP DURATION 1  
PRECIP BEGIN 6 PM  
PRECIP END 1 AM  
MIXING HGT(M-AGL/MSL) 1770 1230  
MIXING HGT(FT-AGL/MSL) 5820 4040  
TRANSPORT WND (MPH) NW 18 W 12  
VENT RATE (KT-FT) 93120 40400  
CATEGORY DAY 4 3  
INVERSION 7PM 62F/9AM 8PM 57F/9AM  
DISPERSION 4 3  
MAX ADI EARLY 3 VERY POOR 41 GEN GOOD 10 POOR 22 FAIR  
MAX ADI LATE 3 VERY POOR 119 VERY GOOD3 VERY POOR 61 GOOD  
MAX LVORI EARLY 6 7 3 5  
MAX LVORI LATE 8 1 6 2  
 
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.  
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.  
 
 
 
WVZ511-280815-  
PRESTON-  
INCLUDING THE CITIES OF KINGWOOD AND BRUCETON MILLS  
1254 PM EDT WED MAY 27 2026  
 
TONIGHT THU THU NIGHT FRI  
 
CLOUD COVER MCLDY MCLEAR CLEAR MCLEAR  
PRECIP TYPE TSTMS NONE NONE NONE  
CHANCE PRECIP (%) 50 0 0 0  
CHANCE OF THUNDER (%) 50 0 0 0  
TEMP (24H TREND) 56 (-6) 73 (0) 46 75  
RH % (24H TREND) 98 (-2) 46 (-29) 89 37  
WIND 20FT/EARLY(MPH) LGT/VAR LGT/VAR LGT/VAR LGT/VAR  
WIND 20FT/LATE(MPH) LGT/VAR NW 7 LGT/VAR LGT/VAR  
PRECIP AMOUNT 0.09 0.00 0.00 0.00  
PRECIP DURATION 1  
PRECIP BEGIN 6 PM  
PRECIP END 2 AM  
MIXING HGT(M-AGL/MSL) 1760 1240  
MIXING HGT(FT-AGL/MSL) 5760 4060  
TRANSPORT WND (MPH) NW 18 W 13  
VENT RATE (KT-FT) 92160 44660  
CATEGORY DAY 4 3  
INVERSION 7PM 63F/9AM 8PM 58F/9AM  
DISPERSION 4 3  
MAX ADI EARLY 4 VERY POOR 48 GEN GOOD 10 POOR 22 FAIR  
MAX ADI LATE 3 VERY POOR 120 VERY GOOD3 VERY POOR 64 GOOD  
MAX LVORI EARLY 6 7 4 5  
MAX LVORI LATE 8 1 6 2  
 
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.  
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.  
 
 
 
WVZ512-280815-  
EASTERN PRESTON-  
INCLUDING THE CITIES OF TERRA ALTA, ROWLESBURG, AND HAZELTON  
1254 PM EDT WED MAY 27 2026  
 
TONIGHT THU THU NIGHT FRI  
 
CLOUD COVER MCLDY MCLEAR CLEAR MCLEAR  
PRECIP TYPE TSTMS NONE NONE NONE  
CHANCE PRECIP (%) 50 0 0 0  
CHANCE OF THUNDER (%) 50 0 0 0  
TEMP (24H TREND) 56 (-5) 72 (+1) 46 74  
RH % (24H TREND) 98 (-2) 47 (-33) 88 38  
WIND 20FT/EARLY(MPH) LGT/VAR LGT/VAR LGT/VAR LGT/VAR  
WIND 20FT/LATE(MPH) LGT/VAR NW 7 LGT/VAR LGT/VAR  
PRECIP AMOUNT 0.09 0.00 0.00 0.00  
PRECIP DURATION 1  
PRECIP BEGIN 6 PM  
PRECIP END 2 AM  
MIXING HGT(M-AGL/MSL) 1730 1210  
MIXING HGT(FT-AGL/MSL) 5690 3960  
TRANSPORT WND (MPH) NW 20 W 13  
VENT RATE (KT-FT) 96730 43560  
CATEGORY DAY 4 3  
INVERSION 8PM 60F/8AM 8PM 57F/9AM  
DISPERSION 4 3  
MAX ADI EARLY 5 VERY POOR 53 GEN GOOD 11 POOR 26 FAIR  
MAX ADI LATE 3 VERY POOR 126 VERY GOOD3 VERY POOR 67 GOOD  
MAX LVORI EARLY 6 7 4 5  
MAX LVORI LATE 8 1 6 1  
 
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.  
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.  
 
 
 
WVZ513-280815-  
WESTERN TUCKER-  
INCLUDING THE CITIES OF PARSONS, HENDRICKS, AND SAINT GEORGE  
1254 PM EDT WED MAY 27 2026  
 
TONIGHT THU THU NIGHT FRI  
 
CLOUD COVER MCLDY MCLEAR MCLEAR MCLEAR  
PRECIP TYPE TSTMS NONE NONE NONE  
CHANCE PRECIP (%) 80 0 0 0  
CHANCE OF THUNDER (%) 60 0 0 0  
TEMP (24H TREND) 57 (-5) 74 (+1) 46 76  
RH % (24H TREND) 98 (-2) 43 (-31) 90 35  
WIND 20FT/EARLY(MPH) LGT/VAR LGT/VAR LGT/VAR LGT/VAR  
WIND 20FT/LATE(MPH) LGT/VAR NW 7 LGT/VAR LGT/VAR  
PRECIP AMOUNT 0.14 0.00 0.00 0.00  
PRECIP DURATION 3  
PRECIP BEGIN 6 PM  
PRECIP END 2 AM  
MIXING HGT(M-AGL/MSL) 1740 1190  
MIXING HGT(FT-AGL/MSL) 5700 3890  
TRANSPORT WND (MPH) NW 18 W 13  
VENT RATE (KT-FT) 91200 42790  
CATEGORY DAY 4 3  
INVERSION 7PM 60F/8AM 8PM 57F/9AM  
DISPERSION 4 3  
MAX ADI EARLY 7 POOR 43 GEN GOOD 11 POOR 27 FAIR  
MAX ADI LATE 3 VERY POOR 121 VERY GOOD3 VERY POOR 65 GOOD  
MAX LVORI EARLY 6 8 4 5  
MAX LVORI LATE 8 1 6 1  
 
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.  
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.  
 
 
 
WVZ514-280815-  
EASTERN TUCKER-  
INCLUDING THE CITIES OF DAVIS, THOMAS, AND CANAAN VALLEY  
1254 PM EDT WED MAY 27 2026  
 
TONIGHT THU THU NIGHT FRI  
 
CLOUD COVER MCLDY MCLEAR MCLEAR MCLEAR  
PRECIP TYPE TSTMS NONE NONE NONE  
CHANCE PRECIP (%) 80 0 0 0  
CHANCE OF THUNDER (%) 50 0 0 0  
TEMP (24H TREND) 54 (-5) 71 (+2) 44 73  
RH % (24H TREND) 99 (0) 49 (-31) 87 36  
WIND 20FT/EARLY(MPH) LGT/VAR LGT/VAR NW 5 G21 LGT/VAR  
WIND 20FT/LATE(MPH) LGT/VAR NW 8 G22 LGT/VAR LGT/VAR  
PRECIP AMOUNT 0.08 0.00 0.00 0.00  
PRECIP DURATION 3  
PRECIP BEGIN 6 PM  
PRECIP END 2 AM  
MIXING HGT(M-AGL/MSL) 1640 1270  
MIXING HGT(FT-AGL/MSL) 5380 4150  
TRANSPORT WND (MPH) NW 22 W 14  
VENT RATE (KT-FT) 102220 49800  
CATEGORY DAY 5 3  
INVERSION 8PM 58F/8AM 8PM 56F/9AM  
DISPERSION 5 3  
MAX ADI EARLY 10 POOR 57 GEN GOOD 13 GEN POOR 32 FAIR  
MAX ADI LATE 4 VERY POOR 127 VERY GOOD4 VERY POOR 69 GOOD  
MAX LVORI EARLY 6 7 5 4  
MAX LVORI LATE 8 1 6 1  
 
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.  
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.  
 
 
   
FORECAST FOR DAYS 3 THROUGH 7  
   
SATURDAY  
MOSTLY CLEAR. LOWS IN THE LOWER 50S. HIGHS IN THE  
LOWER 70S. NORTH WINDS AROUND 5 MPH.    
SUNDAY  
MOSTLY CLEAR. LOWS IN THE UPPER 40S. HIGHS IN THE MID  
70S. NORTH WINDS AROUND 5 MPH.    
MONDAY  
PARTLY CLOUDY. LOWS IN THE LOWER 50S. HIGHS IN THE MID  
70S. NORTH WINDS 5 TO 10 MPH.    
TUESDAY  
PARTLY CLOUDY. LOWS IN THE LOWER 50S. HIGHS IN THE  
LOWER 70S. NORTHEAST WINDS 5 TO 10 MPH.    
WEDNESDAY  
PARTLY CLOUDY. LOWS IN THE LOWER 50S. HIGHS IN THE  
MID 70S. NORTHEAST WINDS 5 TO 10 MPH.  
 
 
 
AK  
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