830
FNUS51 KPBZ 171800
FWFPBZ
FIRE WEATHER PLANNING FORECAST
NATIONAL WEATHER SERVICE PITTSBURGH PA
100 PM EST WED DEC 17 2025
DISCUSSION
HIGH PRESSURE WILL MAINTAIN DRY WEATHER THROUGH THURSDAY. RAIN
RETURNS THURSDAY NIGHT WITH A CROSSING COLD FRONT. RAIN WILL
CHANGE TO SNOW SHOWERS ON FRIDAY BEHIND THE FRONT, AS WIND BECOMES
GUSTY.
OHZ039-180915-
TUSCARAWAS-
INCLUDING THE CITIES OF NEW PHILADELPHIA AND DOVER
100 PM EST WED DEC 17 2025
TONIGHT THU THU NIGHT FRI
CLOUD COVER PCLDY PCLDY MCLDY MCLDY
PRECIP TYPE NONE NONE RAIN SNOW SHOWERS
CHANCE PRECIP (%) 0 0 100 20
CHANCE OF THUNDER (%) 0 0 0 0
TEMP (24H TREND) 27 (-8) 53 (+6) 27 31
RH % (24H TREND) 94 (+18) 55 (+20) 94 58
WIND 20FT/EARLY(MPH) LGT/VAR S 9 G21 S 15 G27 W 15 G28
WIND 20FT/LATE(MPH) SE 5 S 12 G24 SW 12 G23 W 14 G27
PRECIP AMOUNT 0.00 0.00 0.56 0.01
PRECIP DURATION 7 1
PRECIP BEGIN 6 PM CONTINUING
PRECIP END CONTINUING 1 PM
MIXING HGT(M-AGL/MSL) 590 1380
MIXING HGT(FT-AGL/MSL) 1950 4540
TRANSPORT WND (MPH) S 25 W 29
VENT RATE (KT-FT) 38240 136180
CATEGORY DAY 3 5
INVERSION 6PM 45F/11AM NONE NONE
DISPERSION 5 5
MAX ADI EARLY 4 VERY POOR 29 FAIR 23 FAIR 87 GOOD
MAX ADI LATE 8 POOR 46 GEN GOOD 18 GEN POOR 88 GOOD
MAX LVORI EARLY 6 4 5 4
MAX LVORI LATE 6 3 5 1
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
OHZ040-180915-
CARROLL-
INCLUDING THE CITIES OF CARROLLTON AND MALVERN
100 PM EST WED DEC 17 2025
TONIGHT THU THU NIGHT FRI
CLOUD COVER PCLDY PCLDY MCLDY MCLDY
PRECIP TYPE NONE NONE RAIN SNOW SHOWERS
CHANCE PRECIP (%) 0 0 100 20
CHANCE OF THUNDER (%) 0 0 0 0
TEMP (24H TREND) 27 (-7) 53 (+6) 28 32
RH % (24H TREND) 94 (+20) 55 (+21) 93 59
WIND 20FT/EARLY(MPH) LGT/VAR S 9 G20 S 15 G26 W 16 G29
WIND 20FT/LATE(MPH) SE 6 S 13 G23 SW 13 G23 W 15 G28
PRECIP AMOUNT 0.00 0.00 0.51 0.02
PRECIP DURATION 7 1
PRECIP BEGIN 6 PM CONTINUING
PRECIP END CONTINUING 1 PM
MIXING HGT(M-AGL/MSL) 580 1370
MIXING HGT(FT-AGL/MSL) 1910 4500
TRANSPORT WND (MPH) S 25 W 31
VENT RATE (KT-FT) 38470 119730
CATEGORY DAY 3 5
INVERSION 6PM 45F/11AM NONE NONE
DISPERSION 5 5
MAX ADI EARLY 5 VERY POOR 28 FAIR 24 FAIR 88 GOOD
MAX ADI LATE 9 POOR 46 GEN GOOD 20 GEN POOR 88 GOOD
MAX LVORI EARLY 6 4 4 4
MAX LVORI LATE 6 3 5 1
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
OHZ041-180915-
COLUMBIANA-
INCLUDING THE CITIES OF EAST LIVERPOOL, SALEM, AND COLUMBIANA
100 PM EST WED DEC 17 2025
TONIGHT THU THU NIGHT FRI
CLOUD COVER PCLDY PCLDY MCLDY MCLDY
PRECIP TYPE NONE NONE RAIN SNOW SHOWERS
CHANCE PRECIP (%) 0 0 100 30
CHANCE OF THUNDER (%) 0 0 0 0
TEMP (24H TREND) 26 (-8) 52 (+6) 28 32
RH % (24H TREND) 95 (+19) 57 (+20) 94 59
WIND 20FT/EARLY(MPH) LGT/VAR S 8 G20 S 14 G26 W 16 G29
WIND 20FT/LATE(MPH) SE 5 S 12 G23 SW 13 G24 W 16 G29
PRECIP AMOUNT 0.00 0.00 0.47 0.03
PRECIP DURATION 10 4
PRECIP BEGIN 6 PM CONTINUING
PRECIP END CONTINUING 6 PM
MIXING HGT(M-AGL/MSL) 550 1360
MIXING HGT(FT-AGL/MSL) 1790 4450
TRANSPORT WND (MPH) S 24 W 32
VENT RATE (KT-FT) 37850 136400
CATEGORY DAY 3 5
INVERSION 6PM 47F/12PM NONE NONE
DISPERSION 5 5
MAX ADI EARLY 4 VERY POOR 26 FAIR 23 FAIR 91 GOOD
MAX ADI LATE 8 POOR 39 FAIR 21 FAIR 93 GOOD
MAX LVORI EARLY 6 5 4 4
MAX LVORI LATE 6 3 5 1
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
OHZ048-180915-
COSHOCTON-
INCLUDING THE CITY OF COSHOCTON
100 PM EST WED DEC 17 2025
TONIGHT THU THU NIGHT FRI
CLOUD COVER PCLDY PCLDY MCLDY MCLDY
PRECIP TYPE NONE RAIN RAIN NONE
CHANCE PRECIP (%) 0 30 100 0
CHANCE OF THUNDER (%) 0 0 0 0
TEMP (24H TREND) 26 (-8) 53 (+6) 25 31
RH % (24H TREND) 95 (+17) 58 (+20) 95 58
WIND 20FT/EARLY(MPH) LGT/VAR S 7 G19 S 13 G25 W 13 G26
WIND 20FT/LATE(MPH) LGT/VAR S 12 G23 SW 10 G23 W 12 G25
PRECIP AMOUNT 0.00 0.03 0.59 0.00
PRECIP DURATION 0 7
PRECIP BEGIN 3 PM CONTINUING
PRECIP END CONTINUING 6 AM
MIXING HGT(M-AGL/MSL) 550 1350
MIXING HGT(FT-AGL/MSL) 1800 4430
TRANSPORT WND (MPH) S 26 W 29
VENT RATE (KT-FT) 29930 137900
CATEGORY DAY 3 5
INVERSION 6PM 44F/11AM NONE NONE
DISPERSION 5 5
MAX ADI EARLY 4 VERY POOR 26 FAIR 23 FAIR 85 GOOD
MAX ADI LATE 9 POOR 45 GEN GOOD 16 GEN POOR 84 GOOD
MAX LVORI EARLY 6 5 5 4
MAX LVORI LATE 6 3 5 1
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
OHZ049-180915-
HARRISON-
INCLUDING THE CITY OF CADIZ
100 PM EST WED DEC 17 2025
TONIGHT THU THU NIGHT FRI
CLOUD COVER PCLDY PCLDY MCLDY MCLDY
PRECIP TYPE NONE NONE RAIN SNOW SHOWERS
CHANCE PRECIP (%) 0 0 100 20
CHANCE OF THUNDER (%) 0 0 0 0
TEMP (24H TREND) 26 (-9) 54 (+6) 29 33
RH % (24H TREND) 93 (+22) 53 (+18) 95 56
WIND 20FT/EARLY(MPH) LGT/VAR S 8 G19 S 14 G26 W 15 G31
WIND 20FT/LATE(MPH) SE 5 S 12 G23 SW 13 G25 W 14 G30
PRECIP AMOUNT 0.00 0.00 0.49 0.02
PRECIP DURATION 7 1
PRECIP BEGIN 6 PM CONTINUING
PRECIP END CONTINUING 1 PM
MIXING HGT(M-AGL/MSL) 560 1370
MIXING HGT(FT-AGL/MSL) 1850 4510
TRANSPORT WND (MPH) S 24 W 30
VENT RATE (KT-FT) 38180 129850
CATEGORY DAY 3 5
INVERSION 6PM 46F/11AM NONE NONE
DISPERSION 5 5
MAX ADI EARLY 5 VERY POOR 26 FAIR 24 FAIR 88 GOOD
MAX ADI LATE 8 POOR 44 GEN GOOD 23 FAIR 86 GOOD
MAX LVORI EARLY 6 4 4 4
MAX LVORI LATE 6 3 5 1
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
OHZ050-180915-
JEFFERSON OH-
INCLUDING THE CITY OF STEUBENVILLE
100 PM EST WED DEC 17 2025
TONIGHT THU THU NIGHT FRI
CLOUD COVER PCLDY PCLDY MCLDY MCLDY
PRECIP TYPE NONE NONE RAIN SNOW SHOWERS
CHANCE PRECIP (%) 0 0 100 30
CHANCE OF THUNDER (%) 0 0 0 0
TEMP (24H TREND) 26 (-9) 53 (+5) 30 34
RH % (24H TREND) 92 (+21) 53 (+20) 92 55
WIND 20FT/EARLY(MPH) LGT/VAR S 7 G19 S 14 G26 W 15 G31
WIND 20FT/LATE(MPH) LGT/VAR S 11 G23 SW 13 G24 W 15 G31
PRECIP AMOUNT 0.00 0.00 0.44 0.03
PRECIP DURATION 10 3
PRECIP BEGIN 6 PM CONTINUING
PRECIP END CONTINUING 1 PM
MIXING HGT(M-AGL/MSL) 620 1410
MIXING HGT(FT-AGL/MSL) 2030 4630
TRANSPORT WND (MPH) S 25 W 31
VENT RATE (KT-FT) 36220 142070
CATEGORY DAY 3 5
INVERSION 6PM 46F/11AM NONE NONE
DISPERSION 5 5
MAX ADI EARLY 4 VERY POOR 33 FAIR 24 FAIR 91 GOOD
MAX ADI LATE 6 VERY POOR 47 GEN GOOD 24 FAIR 90 GOOD
MAX LVORI EARLY 6 4 4 4
MAX LVORI LATE 6 2 4 1
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
OHZ057-180915-
MUSKINGUM-
INCLUDING THE CITY OF ZANESVILLE
100 PM EST WED DEC 17 2025
TONIGHT THU THU NIGHT FRI
CLOUD COVER PCLDY PCLDY MCLDY MCLDY
PRECIP TYPE NONE NONE RAIN NONE
CHANCE PRECIP (%) 0 0 100 0
CHANCE OF THUNDER (%) 0 0 0 0
TEMP (24H TREND) 26 (-9) 54 (+5) 27 31
RH % (24H TREND) 93 (+20) 55 (+21) 95 57
WIND 20FT/EARLY(MPH) LGT/VAR S 7 G19 S 13 G26 W 14 G26
WIND 20FT/LATE(MPH) LGT/VAR S 11 G23 SW 10 G23 W 12 G25
PRECIP AMOUNT 0.00 0.00 0.53 0.00
PRECIP DURATION 7
PRECIP BEGIN 6 PM
PRECIP END 6 AM
MIXING HGT(M-AGL/MSL) 540 1320
MIXING HGT(FT-AGL/MSL) 1770 4340
TRANSPORT WND (MPH) S 24 W 29
VENT RATE (KT-FT) 35060 141630
CATEGORY DAY 3 5
INVERSION 6PM 45F/11AM NONE NONE
DISPERSION 5 5
MAX ADI EARLY 4 VERY POOR 28 FAIR 22 FAIR 84 GOOD
MAX ADI LATE 8 POOR 41 GEN GOOD 17 GEN POOR 84 GOOD
MAX LVORI EARLY 6 4 5 4
MAX LVORI LATE 6 3 5 1
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
OHZ058-180915-
GUERNSEY-
INCLUDING THE CITY OF CAMBRIDGE
100 PM EST WED DEC 17 2025
TONIGHT THU THU NIGHT FRI
CLOUD COVER PCLDY PCLDY MCLDY MCLDY
PRECIP TYPE NONE NONE RAIN NONE
CHANCE PRECIP (%) 0 0 100 0
CHANCE OF THUNDER (%) 0 0 0 0
TEMP (24H TREND) 27 (-9) 54 (+6) 29 32
RH % (24H TREND) 93 (+25) 52 (+22) 96 56
WIND 20FT/EARLY(MPH) LGT/VAR S 7 G19 S 12 G26 W 13 G29
WIND 20FT/LATE(MPH) LGT/VAR S 10 G23 SW 10 G24 W 12 G28
PRECIP AMOUNT 0.00 0.00 0.52 0.00
PRECIP DURATION 7
PRECIP BEGIN 6 PM
PRECIP END 6 AM
MIXING HGT(M-AGL/MSL) 630 1360
MIXING HGT(FT-AGL/MSL) 2060 4470
TRANSPORT WND (MPH) S 25 W 29
VENT RATE (KT-FT) 37760 140590
CATEGORY DAY 3 5
INVERSION 6PM 47F/11AM 5PM 34F/6AM
DISPERSION 5 5
MAX ADI EARLY 4 VERY POOR 27 FAIR 21 FAIR 86 GOOD
MAX ADI LATE 8 POOR 51 GEN GOOD 23 FAIR 85 GOOD
MAX LVORI EARLY 6 4 5 4
MAX LVORI LATE 6 3 5 1
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
OHZ059-180915-
BELMONT-
INCLUDING THE CITIES OF MARTINS FERRY AND ST. CLAIRSVILLE
100 PM EST WED DEC 17 2025
TONIGHT THU THU NIGHT FRI
CLOUD COVER PCLDY PCLDY MCLDY MCLDY
PRECIP TYPE NONE NONE RAIN SNOW SHOWERS
CHANCE PRECIP (%) 0 0 100 20
CHANCE OF THUNDER (%) 0 0 0 0
TEMP (24H TREND) 27 (-9) 55 (+5) 30 35
RH % (24H TREND) 94 (+26) 52 (+21) 96 57
WIND 20FT/EARLY(MPH) LGT/VAR S 8 G19 S 14 G27 W 15 G31
WIND 20FT/LATE(MPH) LGT/VAR S 11 G23 SW 13 G25 W 14 G30
PRECIP AMOUNT 0.00 0.00 0.45 0.03
PRECIP DURATION 10 1
PRECIP BEGIN 6 PM CONTINUING
PRECIP END CONTINUING 1 PM
MIXING HGT(M-AGL/MSL) 590 1340
MIXING HGT(FT-AGL/MSL) 1930 4400
TRANSPORT WND (MPH) S 26 W 30
VENT RATE (KT-FT) 36540 136710
CATEGORY DAY 3 5
INVERSION 6PM 47F/11AM NONE NONE
DISPERSION 5 5
MAX ADI EARLY 4 VERY POOR 25 FAIR 22 FAIR 91 GOOD
MAX ADI LATE 6 VERY POOR 46 GEN GOOD 23 FAIR 88 GOOD
MAX LVORI EARLY 6 4 5 4
MAX LVORI LATE 6 3 5 1
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
OHZ068-180915-
NOBLE-
INCLUDING THE CITY OF CALDWELL
100 PM EST WED DEC 17 2025
TONIGHT THU THU NIGHT FRI
CLOUD COVER PCLDY PCLDY MCLDY MCLDY
PRECIP TYPE NONE RAIN RAIN NONE
CHANCE PRECIP (%) 0 20 100 0
CHANCE OF THUNDER (%) 0 0 0 0
TEMP (24H TREND) 27 (-8) 55 (+6) 30 34
RH % (24H TREND) 94 (+21) 53 (+26) 95 57
WIND 20FT/EARLY(MPH) LGT/VAR S 6 G18 S 12 G26 W 13 G28
WIND 20FT/LATE(MPH) LGT/VAR S 9 G23 SW 10 G23 W 11 G28
PRECIP AMOUNT 0.00 0.01 0.49 0.00
PRECIP DURATION 0 7
PRECIP BEGIN 3 PM CONTINUING
PRECIP END CONTINUING 6 AM
MIXING HGT(M-AGL/MSL) 620 1340
MIXING HGT(FT-AGL/MSL) 2020 4410
TRANSPORT WND (MPH) S 25 W 28
VENT RATE (KT-FT) 36290 118810
CATEGORY DAY 3 5
INVERSION 6PM 47F/11AM 4PM 35F/6AM
DISPERSION 5 5
MAX ADI EARLY 4 VERY POOR 29 FAIR 23 FAIR 83 GOOD
MAX ADI LATE 6 VERY POOR 59 GEN GOOD 24 FAIR 82 GOOD
MAX LVORI EARLY 7 4 5 4
MAX LVORI LATE 6 3 5 1
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
OHZ069-180915-
MONROE-
INCLUDING THE CITY OF WOODSFIELD
100 PM EST WED DEC 17 2025
TONIGHT THU THU NIGHT FRI
CLOUD COVER MCLEAR PCLDY MCLDY MCLDY
PRECIP TYPE NONE NONE RAIN SNOW SHOWERS
CHANCE PRECIP (%) 0 0 100 20
CHANCE OF THUNDER (%) 0 0 0 0
TEMP (24H TREND) 28 (-8) 55 (+4) 31 35
RH % (24H TREND) 94 (+23) 53 (+28) 95 56
WIND 20FT/EARLY(MPH) LGT/VAR S 6 G18 S 11 G26 W 12 G29
WIND 20FT/LATE(MPH) LGT/VAR S 9 G23 SW 10 G24 W 11 G28
PRECIP AMOUNT 0.00 0.00 0.43 0.03
PRECIP DURATION 10 1
PRECIP BEGIN 6 PM CONTINUING
PRECIP END CONTINUING 1 PM
MIXING HGT(M-AGL/MSL) 620 1370
MIXING HGT(FT-AGL/MSL) 2040 4500
TRANSPORT WND (MPH) S 24 W 29
VENT RATE (KT-FT) 37890 142490
CATEGORY DAY 3 5
INVERSION 6PM 47F/11AM 4PM 40F/4AM
DISPERSION 5 5
MAX ADI EARLY 3 VERY POOR 33 FAIR 22 FAIR 88 GOOD
MAX ADI LATE 5 VERY POOR 57 GEN GOOD 24 FAIR 85 GOOD
MAX LVORI EARLY 6 4 4 4
MAX LVORI LATE 6 3 5 1
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
PAZ007-180915-
MERCER-
INCLUDING THE CITIES OF SHARON, HERMITAGE, AND GROVE CITY
100 PM EST WED DEC 17 2025
TONIGHT THU THU NIGHT FRI
CLOUD COVER PCLDY PCLDY MCLDY MCLDY
PRECIP TYPE NONE NONE RAIN SNOW SHOWERS
CHANCE PRECIP (%) 0 0 100 70
CHANCE OF THUNDER (%) 0 0 0 0
TEMP (24H TREND) 24 (-5) 49 (+6) 29 32
RH % (24H TREND) 100 (+15) 65 (+17) 99 66
WIND 20FT/EARLY(MPH) LGT/VAR SE 10 G22 S 16 G26 W 16 G29
WIND 20FT/LATE(MPH) SE 7 S 13 G23 SW 14 G23 W 17 G30
PRECIP AMOUNT 0.00 0.00 0.49 0.04
PRECIP DURATION 11 7
PRECIP BEGIN 6 PM CONTINUING
PRECIP END CONTINUING 6 PM
MIXING HGT(M-AGL/MSL) 360 1330
MIXING HGT(FT-AGL/MSL) 1180 4370
TRANSPORT WND (MPH) S 21 W 33
VENT RATE (KT-FT) 29340 122490
CATEGORY DAY 2 5
INVERSION 6PM 46F/1PM NONE NONE
DISPERSION 5 5
MAX ADI EARLY 5 VERY POOR 22 FAIR 23 FAIR 91 GOOD
MAX ADI LATE 11 POOR 28 FAIR 20 GEN POOR 93 GOOD
MAX LVORI EARLY 9 5 5 4
MAX LVORI LATE 9 3 5 3
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
PAZ008-180915-
VENANGO-
INCLUDING THE CITIES OF OIL CITY AND FRANKLIN
100 PM EST WED DEC 17 2025
TONIGHT THU THU NIGHT FRI
CLOUD COVER PCLDY PCLDY CLOUDY MCLDY
PRECIP TYPE NONE NONE RAIN SNOW SHOWERS
CHANCE PRECIP (%) 0 0 100 70
CHANCE OF THUNDER (%) 0 0 0 0
TEMP (24H TREND) 23 (-3) 48 (+5) 29 32
RH % (24H TREND) 100 (+12) 69 (+20) 99 70
WIND 20FT/EARLY(MPH) LGT/VAR SE 8 G20 S 13 G26 SW 13 G29
WIND 20FT/LATE(MPH) SE 5 S 10 G22 SW 11 G23 W 14 G29
PRECIP AMOUNT 0.00 0.00 0.53 0.07
PRECIP DURATION 11 7
PRECIP BEGIN 6 PM CONTINUING
PRECIP END CONTINUING 6 PM
MIXING HGT(M-AGL/MSL) 420 1290
MIXING HGT(FT-AGL/MSL) 1390 4230
TRANSPORT WND (MPH) S 21 W 33
VENT RATE (KT-FT) 26800 116800
CATEGORY DAY 2 5
INVERSION 6PM 43F/12PM 4PM 31F/8AM
DISPERSION 5 5
MAX ADI EARLY 4 VERY POOR 20 GEN POOR 20 GEN POOR 91 GOOD
MAX ADI LATE 8 POOR 31 FAIR 18 GEN POOR 92 GOOD
MAX LVORI EARLY 9 5 5 5
MAX LVORI LATE 9 3 5 3
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
PAZ009-180915-
FOREST-
INCLUDING THE CITY OF TIONESTA
100 PM EST WED DEC 17 2025
TONIGHT THU THU NIGHT FRI
CLOUD COVER PCLDY PCLDY CLOUDY MCLDY
PRECIP TYPE NONE NONE RAIN SNOW SHOWERS
CHANCE PRECIP (%) 0 0 100 70
CHANCE OF THUNDER (%) 0 0 0 0
TEMP (24H TREND) 22 (-2) 48 (+7) 30 33
RH % (24H TREND) 100 (+11) 66 (+17) 98 70
WIND 20FT/EARLY(MPH) LGT/VAR SE 7 G19 S 11 G25 W 11 G29
WIND 20FT/LATE(MPH) LGT/VAR S 9 G21 SW 10 G23 W 12 G29
PRECIP AMOUNT 0.00 0.00 0.57 0.08
PRECIP DURATION 11 7
PRECIP BEGIN 7 PM CONTINUING
PRECIP END CONTINUING 6 PM
MIXING HGT(M-AGL/MSL) 420 1270
MIXING HGT(FT-AGL/MSL) 1370 4170
TRANSPORT WND (MPH) S 20 W 32
VENT RATE (KT-FT) 28510 106570
CATEGORY DAY 2 5
INVERSION 6PM 40F/11AM 4PM 39F/4AM
DISPERSION 5 5
MAX ADI EARLY 6 VERY POOR 25 FAIR 19 GEN POOR 86 GOOD
MAX ADI LATE 6 VERY POOR 30 FAIR 18 GEN POOR 90 GOOD
MAX LVORI EARLY 9 5 5 5
MAX LVORI LATE 9 3 5 3
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
PAZ013-180915-
LAWRENCE-
INCLUDING THE CITIES OF NEW CASTLE AND ELLWOOD CITY
100 PM EST WED DEC 17 2025
TONIGHT THU THU NIGHT FRI
CLOUD COVER PCLDY PCLDY MCLDY MCLDY
PRECIP TYPE NONE NONE RAIN SNOW SHOWERS
CHANCE PRECIP (%) 0 0 100 60
CHANCE OF THUNDER (%) 0 0 0 0
TEMP (24H TREND) 24 (-7) 51 (+6) 29 32
RH % (24H TREND) 100 (+20) 62 (+22) 98 62
WIND 20FT/EARLY(MPH) LGT/VAR SE 7 G18 S 13 G24 W 14 G26
WIND 20FT/LATE(MPH) LGT/VAR S 10 G20 SW 11 G23 W 15 G27
PRECIP AMOUNT 0.00 0.00 0.44 0.03
PRECIP DURATION 11 7
PRECIP BEGIN 6 PM CONTINUING
PRECIP END CONTINUING 6 PM
MIXING HGT(M-AGL/MSL) 430 1370
MIXING HGT(FT-AGL/MSL) 1390 4510
TRANSPORT WND (MPH) S 20 W 32
VENT RATE (KT-FT) 29180 147840
CATEGORY DAY 2 5
INVERSION 6PM 46F/12PM 4PM 32F/7AM
DISPERSION 5 5
MAX ADI EARLY 4 VERY POOR 19 GEN POOR 22 FAIR 90 GOOD
MAX ADI LATE 6 VERY POOR 30 FAIR 19 GEN POOR 93 GOOD
MAX LVORI EARLY 9 5 5 4
MAX LVORI LATE 7 3 5 2
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
PAZ014-180915-
BUTLER-
INCLUDING THE CITY OF BUTLER
100 PM EST WED DEC 17 2025
TONIGHT THU THU NIGHT FRI
CLOUD COVER PCLDY PCLDY CLOUDY MCLDY
PRECIP TYPE NONE NONE RAIN SHOWERS
CHANCE PRECIP (%) 0 0 100 60
CHANCE OF THUNDER (%) 0 0 0 0
TEMP (24H TREND) 23 (-6) 50 (+4) 30 33
RH % (24H TREND) 100 (+21) 66 (+23) 100 65
WIND 20FT/EARLY(MPH) LGT/VAR SE 6 S 12 G24 W 14 G27
WIND 20FT/LATE(MPH) LGT/VAR S 9 G19 SW 12 G23 W 15 G28
PRECIP AMOUNT 0.00 0.00 0.46 0.05
PRECIP DURATION 11 7
PRECIP BEGIN 6 PM CONTINUING
PRECIP END CONTINUING 6 PM
MIXING HGT(M-AGL/MSL) 450 1350
MIXING HGT(FT-AGL/MSL) 1470 4440
TRANSPORT WND (MPH) S 20 W 31
VENT RATE (KT-FT) 28280 141840
CATEGORY DAY 3 5
INVERSION 6PM 46F/12PM 4PM 32F/8AM
DISPERSION 5 5
MAX ADI EARLY 4 VERY POOR 13 GEN POOR 21 FAIR 90 GOOD
MAX ADI LATE 5 VERY POOR 33 FAIR 19 GEN POOR 93 GOOD
MAX LVORI EARLY 9 5 5 5
MAX LVORI LATE 9 3 5 3
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
PAZ015-180915-
CLARION-
INCLUDING THE CITY OF CLARION
100 PM EST WED DEC 17 2025
TONIGHT THU THU NIGHT FRI
CLOUD COVER PCLDY PCLDY CLOUDY MCLDY
PRECIP TYPE NONE NONE RAIN SNOW SHOWERS
CHANCE PRECIP (%) 0 0 100 70
CHANCE OF THUNDER (%) 0 0 0 0
TEMP (24H TREND) 22 (-3) 47 (+3) 30 33
RH % (24H TREND) 99 (+16) 69 (+23) 97 67
WIND 20FT/EARLY(MPH) LGT/VAR SE 7 G19 S 11 G25 W 13 G29
WIND 20FT/LATE(MPH) LGT/VAR S 9 G20 SW 11 G23 W 14 G30
PRECIP AMOUNT 0.00 0.00 0.53 0.07
PRECIP DURATION 11 7
PRECIP BEGIN 6 PM CONTINUING
PRECIP END CONTINUING 6 PM
MIXING HGT(M-AGL/MSL) 400 1310
MIXING HGT(FT-AGL/MSL) 1320 4280
TRANSPORT WND (MPH) S 18 W 31
VENT RATE (KT-FT) 30290 144670
CATEGORY DAY 2 5
INVERSION 6PM 43F/12PM 4PM 32F/8AM
DISPERSION 5 5
MAX ADI EARLY 5 VERY POOR 16 GEN POOR 20 GEN POOR 84 GOOD
MAX ADI LATE 5 VERY POOR 27 FAIR 19 GEN POOR 88 GOOD
MAX LVORI EARLY 9 5 5 5
MAX LVORI LATE 8 3 5 3
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
PAZ016-180915-
JEFFERSON PA-
INCLUDING THE CITIES OF PUNXSUTAWNEY AND BROOKVILLE
100 PM EST WED DEC 17 2025
TONIGHT THU THU NIGHT FRI
CLOUD COVER PCLDY PCLDY CLOUDY MCLDY
PRECIP TYPE NONE NONE RAIN SNOW SHOWERS
CHANCE PRECIP (%) 0 0 100 70
CHANCE OF THUNDER (%) 0 0 0 0
TEMP (24H TREND) 22 (-4) 46 (+2) 31 35
RH % (24H TREND) 95 (+15) 66 (+21) 94 67
WIND 20FT/EARLY(MPH) LGT/VAR SE 8 G19 SE 12 G24 W 14 G30
WIND 20FT/LATE(MPH) LGT/VAR SE 10 G20 S 13 G24 W 16 G31
PRECIP AMOUNT 0.00 0.00 0.51 0.08
PRECIP DURATION 11 7
PRECIP BEGIN 6 PM CONTINUING
PRECIP END CONTINUING 6 PM
MIXING HGT(M-AGL/MSL) 390 1300
MIXING HGT(FT-AGL/MSL) 1280 4260
TRANSPORT WND (MPH) S 20 W 32
VENT RATE (KT-FT) 26710 148520
CATEGORY DAY 2 5
INVERSION 6PM 42F/12PM 4PM 37F/6AM
DISPERSION 5 5
MAX ADI EARLY 8 POOR 23 FAIR 19 GEN POOR 77 GOOD
MAX ADI LATE 6 VERY POOR 27 FAIR 19 GEN POOR 91 GOOD
MAX LVORI EARLY 7 5 4 4
MAX LVORI LATE 7 3 5 3
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
PAZ020-180915-
BEAVER-
INCLUDING THE CITIES OF ALIQUIPPA, BEAVER FALLS, AMBRIDGE,
AND MONACA
100 PM EST WED DEC 17 2025
TONIGHT THU THU NIGHT FRI
CLOUD COVER PCLDY PCLDY MCLDY MCLDY
PRECIP TYPE NONE NONE RAIN SHOWERS
CHANCE PRECIP (%) 0 0 100 40
CHANCE OF THUNDER (%) 0 0 0 0
TEMP (24H TREND) 25 (-9) 52 (+5) 31 34
RH % (24H TREND) 97 (+22) 57 (+22) 95 59
WIND 20FT/EARLY(MPH) LGT/VAR SE 6 S 12 G24 W 14 G28
WIND 20FT/LATE(MPH) LGT/VAR S 9 G20 SW 11 G23 W 14 G28
PRECIP AMOUNT 0.00 0.00 0.41 0.04
PRECIP DURATION 11 5
PRECIP BEGIN 6 PM CONTINUING
PRECIP END CONTINUING 6 PM
MIXING HGT(M-AGL/MSL) 550 1450
MIXING HGT(FT-AGL/MSL) 1810 4760
TRANSPORT WND (MPH) S 22 W 31
VENT RATE (KT-FT) 34240 138190
CATEGORY DAY 3 5
INVERSION 6PM 47F/12PM 4PM 36F/6AM
DISPERSION 5 5
MAX ADI EARLY 4 VERY POOR 18 GEN POOR 21 FAIR 89 GOOD
MAX ADI LATE 5 VERY POOR 44 GEN GOOD 21 FAIR 91 GOOD
MAX LVORI EARLY 7 5 4 4
MAX LVORI LATE 6 3 5 2
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
PAZ021-180915-
ALLEGHENY-
INCLUDING THE CITY OF PITTSBURGH METRO AREA
100 PM EST WED DEC 17 2025
TONIGHT THU THU NIGHT FRI
CLOUD COVER PCLDY PCLDY CLOUDY MCLDY
PRECIP TYPE NONE NONE RAIN SHOWERS
CHANCE PRECIP (%) 0 0 100 50
CHANCE OF THUNDER (%) 0 0 0 0
TEMP (24H TREND) 24 (-11) 53 (+4) 33 36
RH % (24H TREND) 97 (+23) 59 (+21) 95 61
WIND 20FT/EARLY(MPH) LGT/VAR SE 5 S 12 G24 W 16 G29
WIND 20FT/LATE(MPH) LGT/VAR S 9 G19 SW 13 G23 W 17 G30
PRECIP AMOUNT 0.00 0.00 0.40 0.05
PRECIP DURATION 11 5
PRECIP BEGIN 6 PM CONTINUING
PRECIP END CONTINUING 6 PM
MIXING HGT(M-AGL/MSL) 530 1490
MIXING HGT(FT-AGL/MSL) 1730 4900
TRANSPORT WND (MPH) S 20 W 30
VENT RATE (KT-FT) 31060 147180
CATEGORY DAY 3 5
INVERSION 6PM 48F/12PM 4PM 38F/6AM
DISPERSION 5 5
MAX ADI EARLY 5 VERY POOR 13 GEN POOR 20 GEN POOR 87 GOOD
MAX ADI LATE 4 VERY POOR 37 FAIR 19 GEN POOR 92 GOOD
MAX LVORI EARLY 7 5 4 4
MAX LVORI LATE 7 3 5 3
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
PAZ022-180915-
ARMSTRONG-
INCLUDING THE CITIES OF KITTANNING AND FORD CITY
100 PM EST WED DEC 17 2025
TONIGHT THU THU NIGHT FRI
CLOUD COVER PCLDY PCLDY CLOUDY MCLDY
PRECIP TYPE NONE NONE RAIN SHOWERS
CHANCE PRECIP (%) 0 0 100 60
CHANCE OF THUNDER (%) 0 0 0 0
TEMP (24H TREND) 22 (-7) 51 (+5) 31 36
RH % (24H TREND) 100 (+21) 65 (+20) 97 65
WIND 20FT/EARLY(MPH) LGT/VAR SE 6 S 11 G23 W 14 G29
WIND 20FT/LATE(MPH) LGT/VAR S 8 G18 SW 12 G23 W 16 G29
PRECIP AMOUNT 0.00 0.00 0.48 0.07
PRECIP DURATION 11 7
PRECIP BEGIN 6 PM CONTINUING
PRECIP END CONTINUING 6 PM
MIXING HGT(M-AGL/MSL) 470 1390
MIXING HGT(FT-AGL/MSL) 1540 4550
TRANSPORT WND (MPH) S 17 W 30
VENT RATE (KT-FT) 30720 145770
CATEGORY DAY 2 5
INVERSION 6PM 46F/12PM 4PM 34F/8AM
DISPERSION 5 5
MAX ADI EARLY 5 VERY POOR 15 GEN POOR 19 GEN POOR 78 GOOD
MAX ADI LATE 5 VERY POOR 30 FAIR 19 GEN POOR 92 GOOD
MAX LVORI EARLY 9 5 5 5
MAX LVORI LATE 9 3 5 3
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
PAZ029-180915-
WASHINGTON-
INCLUDING THE CITIES OF WASHINGTON AND CANONSBURG
100 PM EST WED DEC 17 2025
TONIGHT THU THU NIGHT FRI
CLOUD COVER PCLDY PCLDY CLOUDY MCLDY
PRECIP TYPE NONE NONE RAIN SHOWERS
CHANCE PRECIP (%) 0 0 100 40
CHANCE OF THUNDER (%) 0 0 0 0
TEMP (24H TREND) 24 (-11) 54 (+5) 32 36
RH % (24H TREND) 93 (+23) 54 (+19) 93 58
WIND 20FT/EARLY(MPH) LGT/VAR S 7 S 14 G26 W 17 G31
WIND 20FT/LATE(MPH) LGT/VAR S 11 G21 SW 14 G24 W 17 G31
PRECIP AMOUNT 0.00 0.00 0.41 0.04
PRECIP DURATION 11 4
PRECIP BEGIN 6 PM CONTINUING
PRECIP END CONTINUING 6 PM
MIXING HGT(M-AGL/MSL) 550 1410
MIXING HGT(FT-AGL/MSL) 1820 4610
TRANSPORT WND (MPH) S 23 W 32
VENT RATE (KT-FT) 37160 156400
CATEGORY DAY 3 5
INVERSION 6PM 47F/11AM 4PM 38F/6AM
DISPERSION 5 5
MAX ADI EARLY 5 VERY POOR 22 FAIR 21 FAIR 90 GOOD
MAX ADI LATE 5 VERY POOR 40 FAIR 20 GEN POOR 92 GOOD
MAX LVORI EARLY 6 5 4 4
MAX LVORI LATE 6 3 5 3
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
PAZ031-180915-
GREENE-
INCLUDING THE CITY OF WAYNESBURG
100 PM EST WED DEC 17 2025
TONIGHT THU THU NIGHT FRI
CLOUD COVER PCLDY PCLDY CLOUDY MCLDY
PRECIP TYPE NONE NONE RAIN SHOWERS
CHANCE PRECIP (%) 0 0 100 30
CHANCE OF THUNDER (%) 0 0 0 0
TEMP (24H TREND) 26 (-10) 55 (+5) 33 36
RH % (24H TREND) 94 (+22) 56 (+25) 94 62
WIND 20FT/EARLY(MPH) LGT/VAR S 5 S 12 G25 SW 15 G29
WIND 20FT/LATE(MPH) LGT/VAR S 9 G21 SW 13 G25 W 14 G29
PRECIP AMOUNT 0.00 0.00 0.42 0.05
PRECIP DURATION 11 3
PRECIP BEGIN 6 PM CONTINUING
PRECIP END CONTINUING 1 PM
MIXING HGT(M-AGL/MSL) 610 1350
MIXING HGT(FT-AGL/MSL) 2000 4420
TRANSPORT WND (MPH) S 23 W 30
VENT RATE (KT-FT) 37300 129310
CATEGORY DAY 3 5
INVERSION 6PM 48F/11AM 4PM 38F/6AM
DISPERSION 5 5
MAX ADI EARLY 4 VERY POOR 31 FAIR 20 GEN POOR 92 GOOD
MAX ADI LATE 5 VERY POOR 53 GEN GOOD 22 FAIR 90 GOOD
MAX LVORI EARLY 6 5 4 4
MAX LVORI LATE 6 3 5 3
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
PAZ073-180915-
WESTMORELAND-
INCLUDING THE CITIES OF MURRYSVILLE, GREENSBURG, NEW KENSINGTON,
LOWER BURRELL, LATROBE, AND MONESSEN
100 PM EST WED DEC 17 2025
TONIGHT THU THU NIGHT FRI
CLOUD COVER PCLDY PCLDY CLOUDY MCLDY
PRECIP TYPE NONE NONE RAIN SHOWERS
CHANCE PRECIP (%) 0 0 100 60
CHANCE OF THUNDER (%) 0 0 0 0
TEMP (24H TREND) 23 (-10) 54 (+6) 34 36
RH % (24H TREND) 98 (+22) 61 (+18) 96 64
WIND 20FT/EARLY(MPH) LGT/VAR SE 7 S 14 G24 W 18 G31
WIND 20FT/LATE(MPH) LGT/VAR S 10 G18 SW 14 G25 W 20 G31
PRECIP AMOUNT 0.00 0.00 0.41 0.07
PRECIP DURATION 11 7
PRECIP BEGIN 6 PM CONTINUING
PRECIP END CONTINUING 6 PM
MIXING HGT(M-AGL/MSL) 490 1460
MIXING HGT(FT-AGL/MSL) 1620 4780
TRANSPORT WND (MPH) S 17 W 30
VENT RATE (KT-FT) 32240 140350
CATEGORY DAY 2 5
INVERSION 6PM 49F/12PM 4PM 36F/7AM
DISPERSION 5 5
MAX ADI EARLY 5 VERY POOR 16 GEN POOR 20 GEN POOR 86 GOOD
MAX ADI LATE 4 VERY POOR 32 FAIR 19 GEN POOR 94 GOOD
MAX LVORI EARLY 8 5 4 4
MAX LVORI LATE 8 3 5 3
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
PAZ074-180915-
HIGHER ELEVATIONS OF WESTMORELAND-
INCLUDING THE CITIES OF LIGONIER AND DONEGAL
100 PM EST WED DEC 17 2025
TONIGHT THU THU NIGHT FRI
CLOUD COVER PCLDY PCLDY CLOUDY MCLDY
PRECIP TYPE NONE NONE RAIN SHOWERS
CHANCE PRECIP (%) 0 0 100 60
CHANCE OF THUNDER (%) 0 0 0 0
TEMP (24H TREND) 26 (-7) 51 (+5) 32 37
RH % (24H TREND) 90 (+8) 56 (+12) 92 60
WIND 20FT/EARLY(MPH) LGT/VAR SE 8 G19 S 13 G27 W 17 G33
WIND 20FT/LATE(MPH) LGT/VAR S 9 G20 SW 14 G28 W 18 G34
PRECIP AMOUNT 0.00 0.00 0.45 0.10
PRECIP DURATION 11 7
PRECIP BEGIN 6 PM CONTINUING
PRECIP END CONTINUING 6 PM
MIXING HGT(M-AGL/MSL) 450 1440
MIXING HGT(FT-AGL/MSL) 1480 4710
TRANSPORT WND (MPH) S 18 W 35
VENT RATE (KT-FT) 30670 166260
CATEGORY DAY 2 5
INVERSION 6PM 46F/1PM 4PM 39F/6AM
DISPERSION 5 5
MAX ADI EARLY 7 POOR 22 FAIR 21 FAIR 83 GOOD
MAX ADI LATE 7 POOR 27 FAIR 20 GEN POOR 100 GOOD
MAX LVORI EARLY 6 3 4 4
MAX LVORI LATE 5 3 4 3
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
PAZ075-180915-
FAYETTE-
INCLUDING THE CITY OF UNIONTOWN
100 PM EST WED DEC 17 2025
TONIGHT THU THU NIGHT FRI
CLOUD COVER PCLDY PCLDY CLOUDY MCLDY
PRECIP TYPE NONE NONE RAIN SHOWERS
CHANCE PRECIP (%) 0 0 100 40
CHANCE OF THUNDER (%) 0 0 0 0
TEMP (24H TREND) 25 (-10) 55 (+6) 34 37
RH % (24H TREND) 94 (+19) 57 (+21) 94 63
WIND 20FT/EARLY(MPH) LGT/VAR S 6 S 11 G24 SW 15 G28
WIND 20FT/LATE(MPH) LGT/VAR S 9 G17 SW 13 G25 W 16 G28
PRECIP AMOUNT 0.00 0.00 0.42 0.07
PRECIP DURATION 11 4
PRECIP BEGIN 6 PM CONTINUING
PRECIP END CONTINUING 6 PM
MIXING HGT(M-AGL/MSL) 540 1430
MIXING HGT(FT-AGL/MSL) 1760 4710
TRANSPORT WND (MPH) S 18 W 30
VENT RATE (KT-FT) 36040 154510
CATEGORY DAY 3 5
INVERSION 6PM 48F/11AM 4PM 40F/6AM
DISPERSION 5 5
MAX ADI EARLY 5 VERY POOR 21 FAIR 21 FAIR 83 GOOD
MAX ADI LATE 4 VERY POOR 36 FAIR 20 GEN POOR 91 GOOD
MAX LVORI EARLY 6 4 4 4
MAX LVORI LATE 6 3 5 3
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
PAZ076-180915-
HIGHER ELEVATIONS OF FAYETTE-
INCLUDING THE CITIES OF CHAMPION AND OHIOPYLE
100 PM EST WED DEC 17 2025
TONIGHT THU THU NIGHT FRI
CLOUD COVER PCLDY PCLDY CLOUDY MCLDY
PRECIP TYPE NONE NONE RAIN SNOW SHOWERS
CHANCE PRECIP (%) 0 0 100 50
CHANCE OF THUNDER (%) 0 0 0 0
TEMP (24H TREND) 26 (-7) 52 (+5) 30 36
RH % (24H TREND) 93 (+13) 58 (+19) 97 65
WIND 20FT/EARLY(MPH) LGT/VAR SE 6 S 11 G25 W 14 G30
WIND 20FT/LATE(MPH) LGT/VAR S 7 G19 SW 12 G26 W 14 G29
PRECIP AMOUNT 0.00 0.00 0.48 0.10
PRECIP DURATION 11 5
PRECIP BEGIN 6 PM CONTINUING
PRECIP END CONTINUING 6 PM
MIXING HGT(M-AGL/MSL) 450 1280
MIXING HGT(FT-AGL/MSL) 1460 4190
TRANSPORT WND (MPH) S 17 W 32
VENT RATE (KT-FT) 32740 150490
CATEGORY DAY 2 5
INVERSION 6PM 47F/12PM 4PM 37F/6AM
DISPERSION 5 5
MAX ADI EARLY 5 VERY POOR 14 GEN POOR 20 GEN POOR 77 GOOD
MAX ADI LATE 7 POOR 25 FAIR 20 GEN POOR 89 GOOD
MAX LVORI EARLY 6 3 4 4
MAX LVORI LATE 6 3 5 3
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
PAZ077-180915-
INDIANA-
INCLUDING THE CITY OF INDIANA
100 PM EST WED DEC 17 2025
TONIGHT THU THU NIGHT FRI
CLOUD COVER PCLDY PCLDY CLOUDY MCLDY
PRECIP TYPE NONE NONE RAIN SHOWERS
CHANCE PRECIP (%) 0 0 100 60
CHANCE OF THUNDER (%) 0 0 0 0
TEMP (24H TREND) 24 (-6) 50 (+4) 33 36
RH % (24H TREND) 97 (+18) 63 (+21) 94 64
WIND 20FT/EARLY(MPH) LGT/VAR SE 8 G19 S 13 G26 W 16 G32
WIND 20FT/LATE(MPH) LGT/VAR SE 10 G20 SW 14 G25 W 18 G33
PRECIP AMOUNT 0.00 0.00 0.47 0.09
PRECIP DURATION 11 7
PRECIP BEGIN 6 PM CONTINUING
PRECIP END CONTINUING 6 PM
MIXING HGT(M-AGL/MSL) 410 1400
MIXING HGT(FT-AGL/MSL) 1340 4600
TRANSPORT WND (MPH) S 18 W 33
VENT RATE (KT-FT) 26430 158950
CATEGORY DAY 2 5
INVERSION 6PM 45F/12PM 4PM 39F/6AM
DISPERSION 5 5
MAX ADI EARLY 7 POOR 22 FAIR 20 GEN POOR 76 GOOD
MAX ADI LATE 5 VERY POOR 26 FAIR 19 GEN POOR 96 GOOD
MAX LVORI EARLY 8 5 4 4
MAX LVORI LATE 7 3 5 3
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
PAZ078-180915-
HIGHER ELEVATIONS OF INDIANA-
INCLUDING THE CITY OF ARMAGH
100 PM EST WED DEC 17 2025
TONIGHT THU THU NIGHT FRI
CLOUD COVER PCLDY PCLDY CLOUDY MCLDY
PRECIP TYPE NONE NONE RAIN SHOWERS
CHANCE PRECIP (%) 0 0 100 60
CHANCE OF THUNDER (%) 0 0 0 0
TEMP (24H TREND) 25 (-6) 49 (+4) 34 37
RH % (24H TREND) 94 (+11) 61 (+18) 93 62
WIND 20FT/EARLY(MPH) LGT/VAR SE 9 G20 S 13 G28 W 16 G33
WIND 20FT/LATE(MPH) LGT/VAR SE 10 G20 SW 14 G27 W 18 G34
PRECIP AMOUNT 0.00 0.00 0.44 0.10
PRECIP DURATION 11 7
PRECIP BEGIN 6 PM CONTINUING
PRECIP END CONTINUING 6 PM
MIXING HGT(M-AGL/MSL) 360 1360
MIXING HGT(FT-AGL/MSL) 1180 4460
TRANSPORT WND (MPH) S 20 W 35
VENT RATE (KT-FT) 26820 157670
CATEGORY DAY 2 5
INVERSION 6PM CONTINUING NONE NONE
DISPERSION 5 5
MAX ADI EARLY 8 POOR 24 FAIR 21 FAIR 78 GOOD
MAX ADI LATE 8 POOR 26 FAIR 20 GEN POOR 100 GOOD
MAX LVORI EARLY 6 4 4 4
MAX LVORI LATE 6 3 5 3
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
WVZ001-180915-
HANCOCK-
INCLUDING THE CITY OF WEIRTON
100 PM EST WED DEC 17 2025
TONIGHT THU THU NIGHT FRI
CLOUD COVER PCLDY PCLDY MCLDY MCLDY
PRECIP TYPE NONE NONE RAIN SHOWERS
CHANCE PRECIP (%) 0 0 100 30
CHANCE OF THUNDER (%) 0 0 0 0
TEMP (24H TREND) 27 (-9) 53 (+5) 31 34
RH % (24H TREND) 92 (+21) 54 (+22) 91 56
WIND 20FT/EARLY(MPH) LGT/VAR S 7 S 13 G24 W 14 G28
WIND 20FT/LATE(MPH) LGT/VAR S 10 G20 SW 12 G23 W 14 G28
PRECIP AMOUNT 0.00 0.00 0.42 0.03
PRECIP DURATION 11 4
PRECIP BEGIN 6 PM CONTINUING
PRECIP END CONTINUING 6 PM
MIXING HGT(M-AGL/MSL) 660 1500
MIXING HGT(FT-AGL/MSL) 2160 4910
TRANSPORT WND (MPH) S 25 W 31
VENT RATE (KT-FT) 38070 133330
CATEGORY DAY 3 5
INVERSION 6PM 45F/11AM 5PM 36F/6AM
DISPERSION 5 5
MAX ADI EARLY 4 VERY POOR 33 FAIR 22 FAIR 89 GOOD
MAX ADI LATE 5 VERY POOR 48 GEN GOOD 24 FAIR 92 GOOD
MAX LVORI EARLY 6 5 4 4
MAX LVORI LATE 6 2 4 1
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
WVZ002-180915-
BROOKE-
INCLUDING THE CITIES OF FOLLANSBEE AND WELLSBURG
100 PM EST WED DEC 17 2025
TONIGHT THU THU NIGHT FRI
CLOUD COVER PCLDY PCLDY MCLDY MCLDY
PRECIP TYPE NONE NONE RAIN SHOWERS
CHANCE PRECIP (%) 0 0 100 30
CHANCE OF THUNDER (%) 0 0 0 0
TEMP (24H TREND) 27 (-9) 54 (+5) 32 36
RH % (24H TREND) 90 (+22) 52 (+17) 91 56
WIND 20FT/EARLY(MPH) LGT/VAR S 7 G17 S 14 G25 W 15 G30
WIND 20FT/LATE(MPH) LGT/VAR S 11 G22 SW 13 G24 W 15 G30
PRECIP AMOUNT 0.00 0.00 0.41 0.03
PRECIP DURATION 11 3
PRECIP BEGIN 6 PM CONTINUING
PRECIP END CONTINUING 1 PM
MIXING HGT(M-AGL/MSL) 600 1440
MIXING HGT(FT-AGL/MSL) 1960 4730
TRANSPORT WND (MPH) S 24 W 30
VENT RATE (KT-FT) 34010 146690
CATEGORY DAY 3 5
INVERSION 6PM 47F/11AM NONE NONE
DISPERSION 5 5
MAX ADI EARLY 4 VERY POOR 31 FAIR 26 FAIR 92 GOOD
MAX ADI LATE 5 VERY POOR 44 GEN GOOD 26 FAIR 90 GOOD
MAX LVORI EARLY 6 4 4 4
MAX LVORI LATE 6 2 4 1
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
WVZ003-180915-
OHIO-
INCLUDING THE CITY OF WHEELING
100 PM EST WED DEC 17 2025
TONIGHT THU THU NIGHT FRI
CLOUD COVER PCLDY PCLDY MCLDY MCLDY
PRECIP TYPE NONE NONE RAIN SHOWERS
CHANCE PRECIP (%) 0 0 100 30
CHANCE OF THUNDER (%) 0 0 0 0
TEMP (24H TREND) 27 (-9) 55 (+6) 32 36
RH % (24H TREND) 91 (+26) 53 (+18) 93 58
WIND 20FT/EARLY(MPH) LGT/VAR S 7 G17 S 14 G25 W 16 G31
WIND 20FT/LATE(MPH) LGT/VAR S 11 G22 SW 14 G24 W 16 G31
PRECIP AMOUNT 0.00 0.00 0.41 0.03
PRECIP DURATION 11 3
PRECIP BEGIN 6 PM CONTINUING
PRECIP END CONTINUING 1 PM
MIXING HGT(M-AGL/MSL) 560 1400
MIXING HGT(FT-AGL/MSL) 1850 4600
TRANSPORT WND (MPH) S 24 W 31
VENT RATE (KT-FT) 36800 138140
CATEGORY DAY 3 5
INVERSION 6PM 47F/11AM NONE NONE
DISPERSION 5 5
MAX ADI EARLY 4 VERY POOR 25 FAIR 21 FAIR 89 GOOD
MAX ADI LATE 5 VERY POOR 43 GEN GOOD 25 FAIR 90 GOOD
MAX LVORI EARLY 6 4 4 4
MAX LVORI LATE 6 3 5 2
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
WVZ004-180915-
MARSHALL-
INCLUDING THE CITY OF MOUNDSVILLE
100 PM EST WED DEC 17 2025
TONIGHT THU THU NIGHT FRI
CLOUD COVER MCLEAR PCLDY MCLDY MCLDY
PRECIP TYPE NONE NONE RAIN SHOWERS
CHANCE PRECIP (%) 0 0 100 20
CHANCE OF THUNDER (%) 0 0 0 0
TEMP (24H TREND) 28 (-8) 55 (+4) 33 36
RH % (24H TREND) 92 (+23) 55 (+26) 94 61
WIND 20FT/EARLY(MPH) LGT/VAR S 6 S 13 G26 SW 14 G29
WIND 20FT/LATE(MPH) LGT/VAR S 10 G22 SW 13 G25 W 14 G29
PRECIP AMOUNT 0.00 0.00 0.43 0.03
PRECIP DURATION 11 2
PRECIP BEGIN 6 PM CONTINUING
PRECIP END CONTINUING 1 PM
MIXING HGT(M-AGL/MSL) 640 1380
MIXING HGT(FT-AGL/MSL) 2110 4530
TRANSPORT WND (MPH) S 25 W 29
VENT RATE (KT-FT) 37390 132790
CATEGORY DAY 3 5
INVERSION 6PM 47F/11AM 5PM 38F/6AM
DISPERSION 5 5
MAX ADI EARLY 4 VERY POOR 30 FAIR 24 FAIR 89 GOOD
MAX ADI LATE 5 VERY POOR 49 GEN GOOD 26 FAIR 86 GOOD
MAX LVORI EARLY 6 4 4 4
MAX LVORI LATE 6 3 4 3
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
WVZ012-180915-
WETZEL-
INCLUDING THE CITY OF NEW MARTINSVILLE
100 PM EST WED DEC 17 2025
TONIGHT THU THU NIGHT FRI
CLOUD COVER PCLDY PCLDY MCLDY MCLDY
PRECIP TYPE NONE NONE RAIN SHOWERS
CHANCE PRECIP (%) 0 0 100 20
CHANCE OF THUNDER (%) 0 0 0 0
TEMP (24H TREND) 28 (-8) 55 (+4) 33 36
RH % (24H TREND) 94 (+21) 57 (+27) 95 63
WIND 20FT/EARLY(MPH) LGT/VAR S 5 S 12 G25 SW 13 G29
WIND 20FT/LATE(MPH) LGT/VAR S 8 G22 SW 12 G24 W 12 G28
PRECIP AMOUNT 0.00 0.00 0.44 0.04
PRECIP DURATION 11 2
PRECIP BEGIN 6 PM CONTINUING
PRECIP END CONTINUING 1 PM
MIXING HGT(M-AGL/MSL) 570 1370
MIXING HGT(FT-AGL/MSL) 1870 4490
TRANSPORT WND (MPH) S 22 W 29
VENT RATE (KT-FT) 33610 139710
CATEGORY DAY 3 5
INVERSION 6PM 47F/11AM 4PM 38F/6AM
DISPERSION 5 5
MAX ADI EARLY 4 VERY POOR 29 FAIR 23 FAIR 90 GOOD
MAX ADI LATE 5 VERY POOR 48 GEN GOOD 27 FAIR 87 GOOD
MAX LVORI EARLY 6 4 4 4
MAX LVORI LATE 6 3 5 3
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
WVZ021-180915-
MARION-
INCLUDING THE CITY OF FAIRMONT
100 PM EST WED DEC 17 2025
TONIGHT THU THU NIGHT FRI
CLOUD COVER PCLDY PCLDY CLOUDY MCLDY
PRECIP TYPE NONE NONE RAIN SHOWERS
CHANCE PRECIP (%) 0 0 100 30
CHANCE OF THUNDER (%) 0 0 0 0
TEMP (24H TREND) 27 (-10) 55 (+4) 33 36
RH % (24H TREND) 95 (+20) 59 (+27) 96 65
WIND 20FT/EARLY(MPH) LGT/VAR SE 5 S 12 G24 SW 14 G27
WIND 20FT/LATE(MPH) LGT/VAR S 8 G19 SW 13 G23 W 13 G26
PRECIP AMOUNT 0.00 0.00 0.44 0.06
PRECIP DURATION 11 3
PRECIP BEGIN 6 PM CONTINUING
PRECIP END CONTINUING 1 PM
MIXING HGT(M-AGL/MSL) 590 1360
MIXING HGT(FT-AGL/MSL) 1930 4470
TRANSPORT WND (MPH) S 20 W 29
VENT RATE (KT-FT) 34730 134030
CATEGORY DAY 3 5
INVERSION 6PM 48F/11AM 4PM 38F/6AM
DISPERSION 5 5
MAX ADI EARLY 4 VERY POOR 22 FAIR 22 FAIR 86 GOOD
MAX ADI LATE 4 VERY POOR 46 GEN GOOD 21 FAIR 86 GOOD
MAX LVORI EARLY 7 5 4 4
MAX LVORI LATE 7 3 5 3
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
WVZ509-180915-
MONONGALIA-
INCLUDING THE CITY OF MORGANTOWN
100 PM EST WED DEC 17 2025
TONIGHT THU THU NIGHT FRI
CLOUD COVER PCLDY PCLDY CLOUDY MCLDY
PRECIP TYPE NONE NONE RAIN SHOWERS
CHANCE PRECIP (%) 0 0 100 40
CHANCE OF THUNDER (%) 0 0 0 0
TEMP (24H TREND) 26 (-11) 55 (+4) 34 37
RH % (24H TREND) 93 (+20) 57 (+25) 94 64
WIND 20FT/EARLY(MPH) LGT/VAR S 5 S 11 G24 SW 14 G29
WIND 20FT/LATE(MPH) LGT/VAR S 8 G19 SW 13 G24 W 13 G28
PRECIP AMOUNT 0.00 0.00 0.45 0.06
PRECIP DURATION 11 3
PRECIP BEGIN 6 PM CONTINUING
PRECIP END CONTINUING 1 PM
MIXING HGT(M-AGL/MSL) 590 1400
MIXING HGT(FT-AGL/MSL) 1940 4580
TRANSPORT WND (MPH) S 20 W 29
VENT RATE (KT-FT) 35180 135210
CATEGORY DAY 3 5
INVERSION 6PM 48F/11AM 4PM 39F/6AM
DISPERSION 5 5
MAX ADI EARLY 4 VERY POOR 25 FAIR 19 GEN POOR 85 GOOD
MAX ADI LATE 5 VERY POOR 44 GEN GOOD 21 FAIR 86 GOOD
MAX LVORI EARLY 6 4 4 4
MAX LVORI LATE 6 3 5 3
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
WVZ510-180915-
RIDGES OF EASTERN MONONGALIA AND NORTHWESTERN PRESTON-
INCLUDING THE CITY OF COOPERS ROCK
100 PM EST WED DEC 17 2025
TONIGHT THU THU NIGHT FRI
CLOUD COVER PCLDY PCLDY CLOUDY MCLDY
PRECIP TYPE NONE NONE RAIN SNOW SHOWERS
CHANCE PRECIP (%) 0 0 100 40
CHANCE OF THUNDER (%) 0 0 0 0
TEMP (24H TREND) 27 (-8) 53 (+4) 32 35
RH % (24H TREND) 92 (+15) 58 (+21) 98 67
WIND 20FT/EARLY(MPH) LGT/VAR SE 6 S 12 G24 SW 14 G28
WIND 20FT/LATE(MPH) LGT/VAR S 8 G19 SW 13 G24 W 12 G27
PRECIP AMOUNT 0.00 0.00 0.50 0.09
PRECIP DURATION 11 3
PRECIP BEGIN 6 PM CONTINUING
PRECIP END CONTINUING 1 PM
MIXING HGT(M-AGL/MSL) 400 1240
MIXING HGT(FT-AGL/MSL) 1300 4060
TRANSPORT WND (MPH) S 17 W 28
VENT RATE (KT-FT) 24440 115110
CATEGORY DAY 2 4
INVERSION 6PM 51F/1PM 4PM 37F/6AM
DISPERSION 5 5
MAX ADI EARLY 4 VERY POOR 13 GEN POOR 19 GEN POOR 71 GOOD
MAX ADI LATE 5 VERY POOR 23 FAIR 21 FAIR 81 GOOD
MAX LVORI EARLY 6 3 4 4
MAX LVORI LATE 5 3 5 3
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
WVZ511-180915-
PRESTON-
INCLUDING THE CITIES OF KINGWOOD AND BRUCETON MILLS
100 PM EST WED DEC 17 2025
TONIGHT THU THU NIGHT FRI
CLOUD COVER PCLDY PCLDY CLOUDY MCLDY
PRECIP TYPE NONE NONE RAIN SHOWERS
CHANCE PRECIP (%) 0 0 100 40
CHANCE OF THUNDER (%) 0 0 0 0
TEMP (24H TREND) 28 (-6) 53 (+4) 32 35
RH % (24H TREND) 93 (+17) 58 (+17) 97 67
WIND 20FT/EARLY(MPH) LGT/VAR SE 5 S 9 G23 W 13 G28
WIND 20FT/LATE(MPH) LGT/VAR S 7 G17 SW 10 G24 W 12 G27
PRECIP AMOUNT 0.00 0.00 0.48 0.09
PRECIP DURATION 11 3
PRECIP BEGIN 6 PM CONTINUING
PRECIP END CONTINUING 1 PM
MIXING HGT(M-AGL/MSL) 510 1270
MIXING HGT(FT-AGL/MSL) 1680 4160
TRANSPORT WND (MPH) S 17 W 31
VENT RATE (KT-FT) 30590 134750
CATEGORY DAY 3 5
INVERSION 6PM 48F/11AM 4PM 42F/4AM
DISPERSION 5 5
MAX ADI EARLY 4 VERY POOR 23 FAIR 19 GEN POOR 75 GOOD
MAX ADI LATE 5 VERY POOR 32 FAIR 22 FAIR 88 GOOD
MAX LVORI EARLY 6 4 4 4
MAX LVORI LATE 6 3 5 3
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
WVZ512-180915-
EASTERN PRESTON-
INCLUDING THE CITIES OF TERRA ALTA, ROWLESBURG, AND HAZELTON
100 PM EST WED DEC 17 2025
TONIGHT THU THU NIGHT FRI
CLOUD COVER PCLDY PCLDY CLOUDY MCLDY
PRECIP TYPE NONE NONE RAIN SNOW SHOWERS
CHANCE PRECIP (%) 0 0 100 40
CHANCE OF THUNDER (%) 0 0 0 0
TEMP (24H TREND) 28 (-3) 52 (+4) 31 34
RH % (24H TREND) 91 (+9) 58 (+18) 98 68
WIND 20FT/EARLY(MPH) LGT/VAR SE 7 S 11 G24 W 16 G34
WIND 20FT/LATE(MPH) LGT/VAR S 8 G19 SW 13 G28 W 15 G33
PRECIP AMOUNT 0.00 0.00 0.47 0.09
PRECIP DURATION 11 3
PRECIP BEGIN 6 PM CONTINUING
PRECIP END CONTINUING 1 PM
MIXING HGT(M-AGL/MSL) 470 1140
MIXING HGT(FT-AGL/MSL) 1550 3760
TRANSPORT WND (MPH) S 18 W 35
VENT RATE (KT-FT) 26550 134550
CATEGORY DAY 2 5
INVERSION 6PM 48F/12PM 4PM 37F/6AM
DISPERSION 5 5
MAX ADI EARLY 5 VERY POOR 15 GEN POOR 21 FAIR 78 GOOD
MAX ADI LATE 7 POOR 28 FAIR 22 FAIR 91 GOOD
MAX LVORI EARLY 6 3 4 4
MAX LVORI LATE 5 3 5 4
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
WVZ513-180915-
WESTERN TUCKER-
INCLUDING THE CITIES OF PARSONS, HENDRICKS, AND SAINT GEORGE
100 PM EST WED DEC 17 2025
TONIGHT THU THU NIGHT FRI
CLOUD COVER PCLDY PCLDY CLOUDY MCLDY
PRECIP TYPE NONE NONE RAIN SNOW SHOWERS
CHANCE PRECIP (%) 0 0 100 40
CHANCE OF THUNDER (%) 0 0 0 0
TEMP (24H TREND) 28 (-1) 54 (+5) 32 35
RH % (24H TREND) 88 (+7) 54 (+19) 93 62
WIND 20FT/EARLY(MPH) LGT/VAR S 6 S 11 G26 W 16 G31
WIND 20FT/LATE(MPH) LGT/VAR S 8 G20 SW 13 G27 W 15 G31
PRECIP AMOUNT 0.00 0.00 0.43 0.09
PRECIP DURATION 11 3
PRECIP BEGIN 6 PM CONTINUING
PRECIP END CONTINUING 1 PM
MIXING HGT(M-AGL/MSL) 610 1200
MIXING HGT(FT-AGL/MSL) 2000 3920
TRANSPORT WND (MPH) S 20 W 35
VENT RATE (KT-FT) 28910 131620
CATEGORY DAY 3 5
INVERSION 6PM 45F/10AM 4PM 38F/6AM
DISPERSION 5 5
MAX ADI EARLY 4 VERY POOR 27 FAIR 23 FAIR 87 GOOD
MAX ADI LATE 7 POOR 39 FAIR 22 FAIR 94 GOOD
MAX LVORI EARLY 6 3 4 4
MAX LVORI LATE 5 3 5 3
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
WVZ514-180915-
EASTERN TUCKER-
INCLUDING THE CITIES OF DAVIS, THOMAS, AND CANAAN VALLEY
100 PM EST WED DEC 17 2025
TONIGHT THU THU NIGHT FRI
CLOUD COVER PCLDY PCLDY CLOUDY MCLDY
PRECIP TYPE NONE RAIN RAIN SNOW SHOWERS
CHANCE PRECIP (%) 0 30 100 40
CHANCE OF THUNDER (%) 0 0 0 0
TEMP (24H TREND) 27 (-1) 50 (+4) 29 34
RH % (24H TREND) 87 (-7) 60 (+24) 99 73
WIND 20FT/EARLY(MPH) LGT/VAR S 8 G20 S 12 G33 W 18 G44
WIND 20FT/LATE(MPH) SE 5 S 9 G27 SW 14 G38 W 17 G44
PRECIP AMOUNT 0.00 0.00 0.40 0.10
PRECIP DURATION 0 11 3
PRECIP BEGIN 4 PM CONTINUING CONTINUING
PRECIP END CONTINUING CONTINUING 1 PM
MIXING HGT(M-AGL/MSL) 530 1070
MIXING HGT(FT-AGL/MSL) 1750 3530
TRANSPORT WND (MPH) S 22 W 41
VENT RATE (KT-FT) 38560 165730
CATEGORY DAY 3 5
INVERSION 6PM 46F/12PM 4PM 35F/6AM
DISPERSION 5 5
MAX ADI EARLY 8 POOR 18 GEN POOR 24 FAIR 91 GOOD
MAX ADI LATE 10 POOR 37 FAIR 24 FAIR 102 VERY GOOD
MAX LVORI EARLY 5 3 5 4
MAX LVORI LATE 4 4 5 4
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
FORECAST FOR DAYS 3 THROUGH 7
SATURDAY
MOSTLY CLOUDY. LOWS AROUND 20. HIGHS IN THE MID 40S.
SOUTH WINDS AROUND 5 MPH.
SUNDAY
MOSTLY CLOUDY. A CHANCE OF RAIN AND SNOW. LOWS IN THE
UPPER 20S. HIGHS IN THE MID 30S. WEST WINDS 15 TO 20 MPH.
MONDAY
PARTLY CLOUDY. LOWS AROUND 18. HIGHS IN THE MID 30S.
WEST WINDS 10 TO 15 MPH.
TUESDAY
MOSTLY CLOUDY WITH A CHANCE OF RAIN AND SNOW. LOWS IN
THE MID 20S. HIGHS IN THE LOWER 40S. SOUTHWEST WINDS 10 TO
15 MPH.
WEDNESDAY
MOSTLY CLOUDY. A CHANCE OF RAIN. LOWS AROUND 30.
HIGHS AROUND 40. NORTHWEST WINDS 10 TO 15 MPH.
WM
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