447
FNUS51 KPBZ 211729
FWFPBZ
FIRE WEATHER PLANNING FORECAST
NATIONAL WEATHER SERVICE PITTSBURGH PA
1229 PM EST SUN DEC 21 2025
DISCUSSION
DRY AND QUIET WEATHER EXPECTED TODAY INTO EARLY TOMORROW; BREEZY
CONDITIONS THROUGH LATE EVENING IN THE WAKE OF A COLD FRONT. MINRH
VALUES WILL RANGE FROM 50 TO 30 PERCENT; LOWER VALUES WHERE
PERSISTENT SUNSHINE RESIDES.
RAIN AND A WINTRY MIX IS EXPECTED AFTER MIDNIGHT TUESDAY. AFTER
7AM TUESDAY, PRECIP TYPE WILL BE ALL RAIN. PRECIPITATION AMOUNTS
EARLY TUESDAY INTO TUESDAY AFTERNOON WILL RANGE FROM A TRACE TO A
QUARTER OF INCH.
FORECASTER: HEFFERAN
OHZ039-220915-
TUSCARAWAS-
INCLUDING THE CITIES OF NEW PHILADELPHIA AND DOVER
1229 PM EST SUN DEC 21 2025
TONIGHT MON MON NIGHT TUE
CLOUD COVER CLEAR PCLDY MCLDY MCLDY
PRECIP TYPE NONE NONE SNOW/RAIN RAIN
CHANCE PRECIP (%) 0 0 60 30
CHANCE OF THUNDER (%) 0 0 0 0
TEMP (24H TREND) 17 (-14) 40 (+8) 33 49
RH % (24H TREND) 80 (+14) 41 (-8) 94 79
WIND 20FT/EARLY(MPH) LGT/VAR LGT/VAR SE 6 SW 8
WIND 20FT/LATE(MPH) LGT/VAR LGT/VAR S 7 W 8
PRECIP AMOUNT 0.00 0.00 0.04 0.01
PRECIP DURATION 5 2
PRECIP BEGIN 7 PM CONTINUING
PRECIP END CONTINUING 1 PM
MIXING HGT(M-AGL/MSL) 270 610
MIXING HGT(FT-AGL/MSL) 900 2020
TRANSPORT WND (MPH) S 10 W 14
VENT RATE (KT-FT) 8100 24240
CATEGORY DAY 1 2
INVERSION 6PM CONTINUING 6PM 38F/4AM
DISPERSION 1 2
MAX ADI EARLY 3 VERY POOR 11 POOR 13 GEN POOR 23 FAIR
MAX ADI LATE 3 VERY POOR 12 POOR 13 GEN POOR 25 FAIR
MAX LVORI EARLY 4 4 2 5
MAX LVORI LATE 4 2 5 4
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
OHZ040-220915-
CARROLL-
INCLUDING THE CITIES OF CARROLLTON AND MALVERN
1229 PM EST SUN DEC 21 2025
TONIGHT MON MON NIGHT TUE
CLOUD COVER CLEAR PCLDY MCLDY MCLDY
PRECIP TYPE NONE NONE SNOW/RAIN RAIN
CHANCE PRECIP (%) 0 0 70 40
CHANCE OF THUNDER (%) 0 0 0 0
TEMP (24H TREND) 17 (-14) 40 (+8) 32 48
RH % (24H TREND) 78 (+15) 41 (-6) 93 78
WIND 20FT/EARLY(MPH) LGT/VAR LGT/VAR SE 6 SW 9 G18
WIND 20FT/LATE(MPH) LGT/VAR LGT/VAR S 8 W 9 G17
PRECIP AMOUNT 0.00 0.00 0.03 0.02
PRECIP DURATION 5 2
PRECIP BEGIN 7 PM CONTINUING
PRECIP END CONTINUING 1 PM
MIXING HGT(M-AGL/MSL) 320 650
MIXING HGT(FT-AGL/MSL) 1060 2120
TRANSPORT WND (MPH) S 10 W 15
VENT RATE (KT-FT) 9540 27560
CATEGORY DAY 1 3
INVERSION 6PM CONTINUING 6PM 37F/4AM
DISPERSION 1 3
MAX ADI EARLY 4 VERY POOR 12 POOR 12 POOR 26 FAIR
MAX ADI LATE 3 VERY POOR 13 GEN POOR 13 GEN POOR 29 FAIR
MAX LVORI EARLY 3 4 2 5
MAX LVORI LATE 4 2 4 4
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
OHZ041-220915-
COLUMBIANA-
INCLUDING THE CITIES OF EAST LIVERPOOL, SALEM, AND COLUMBIANA
1229 PM EST SUN DEC 21 2025
TONIGHT MON MON NIGHT TUE
CLOUD COVER CLEAR PCLDY MCLDY MCLDY
PRECIP TYPE NONE NONE SNOW/RAIN RAIN
CHANCE PRECIP (%) 0 0 80 40
CHANCE OF THUNDER (%) 0 0 0 0
TEMP (24H TREND) 16 (-14) 39 (+7) 31 46
RH % (24H TREND) 80 (+14) 42 (-10) 94 78
WIND 20FT/EARLY(MPH) LGT/VAR LGT/VAR SE 6 SW 8 G17
WIND 20FT/LATE(MPH) LGT/VAR LGT/VAR S 7 W 9 G17
PRECIP AMOUNT 0.00 0.00 0.03 0.02
PRECIP DURATION 6 3
PRECIP BEGIN 7 PM CONTINUING
PRECIP END CONTINUING 6 PM
MIXING HGT(M-AGL/MSL) 400 680
MIXING HGT(FT-AGL/MSL) 1320 2240
TRANSPORT WND (MPH) SW 10 W 15
VENT RATE (KT-FT) 11880 29120
CATEGORY DAY 2 3
INVERSION 7PM 35F/12PM 4PM 36F/4AM
DISPERSION 2 3
MAX ADI EARLY 5 VERY POOR 13 GEN POOR 11 POOR 27 FAIR
MAX ADI LATE 4 VERY POOR 15 GEN POOR 13 GEN POOR 31 FAIR
MAX LVORI EARLY 3 4 2 5
MAX LVORI LATE 4 2 4 4
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
OHZ048-220915-
COSHOCTON-
INCLUDING THE CITY OF COSHOCTON
1229 PM EST SUN DEC 21 2025
TONIGHT MON MON NIGHT TUE
CLOUD COVER CLEAR PCLDY MCLDY MCLDY
PRECIP TYPE NONE NONE SNOW/RAIN RAIN
CHANCE PRECIP (%) 0 0 60 20
CHANCE OF THUNDER (%) 0 0 0 0
TEMP (24H TREND) 17 (-14) 40 (+7) 33 50
RH % (24H TREND) 83 (+13) 43 (-9) 97 82
WIND 20FT/EARLY(MPH) LGT/VAR LGT/VAR SE 5 SW 7
WIND 20FT/LATE(MPH) LGT/VAR LGT/VAR S 6 W 8
PRECIP AMOUNT 0.00 0.00 0.03 0.01
PRECIP DURATION 5 1
PRECIP BEGIN 7 PM CONTINUING
PRECIP END CONTINUING 1 PM
MIXING HGT(M-AGL/MSL) 260 670
MIXING HGT(FT-AGL/MSL) 840 2210
TRANSPORT WND (MPH) S 10 W 14
VENT RATE (KT-FT) 7560 26520
CATEGORY DAY 1 3
INVERSION 6PM CONTINUING 6PM 39F/4AM
DISPERSION 1 3
MAX ADI EARLY 3 VERY POOR 10 POOR 10 POOR 22 FAIR
MAX ADI LATE 3 VERY POOR 12 POOR 12 POOR 28 FAIR
MAX LVORI EARLY 4 4 3 5
MAX LVORI LATE 5 2 5 4
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
OHZ049-220915-
HARRISON-
INCLUDING THE CITY OF CADIZ
1229 PM EST SUN DEC 21 2025
TONIGHT MON MON NIGHT TUE
CLOUD COVER CLEAR PCLDY MCLDY MCLDY
PRECIP TYPE NONE NONE SNOW/RAIN RAIN
CHANCE PRECIP (%) 0 0 70 40
CHANCE OF THUNDER (%) 0 0 0 0
TEMP (24H TREND) 17 (-15) 41 (+8) 33 49
RH % (24H TREND) 77 (+13) 37 (-13) 92 77
WIND 20FT/EARLY(MPH) LGT/VAR LGT/VAR SE 6 SW 9 G18
WIND 20FT/LATE(MPH) LGT/VAR LGT/VAR S 8 G17 W 9 G18
PRECIP AMOUNT 0.00 0.00 0.03 0.02
PRECIP DURATION 5 2
PRECIP BEGIN 7 PM CONTINUING
PRECIP END CONTINUING 6 PM
MIXING HGT(M-AGL/MSL) 340 590
MIXING HGT(FT-AGL/MSL) 1100 1950
TRANSPORT WND (MPH) S 10 W 13
VENT RATE (KT-FT) 9900 21450
CATEGORY DAY 1 2
INVERSION 6PM 39F/1PM 4PM 38F/4AM
DISPERSION 1 2
MAX ADI EARLY 4 VERY POOR 10 POOR 12 POOR 24 FAIR
MAX ADI LATE 3 VERY POOR 13 GEN POOR 13 GEN POOR 27 FAIR
MAX LVORI EARLY 3 4 2 5
MAX LVORI LATE 4 2 4 4
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
OHZ050-220915-
JEFFERSON OH-
INCLUDING THE CITY OF STEUBENVILLE
1229 PM EST SUN DEC 21 2025
TONIGHT MON MON NIGHT TUE
CLOUD COVER CLEAR PCLDY MCLDY MCLDY
PRECIP TYPE NONE NONE SNOW/RAIN RAIN
CHANCE PRECIP (%) 0 0 80 50
CHANCE OF THUNDER (%) 0 0 0 0
TEMP (24H TREND) 17 (-15) 40 (+6) 33 48
RH % (24H TREND) 76 (+15) 37 (-9) 92 73
WIND 20FT/EARLY(MPH) LGT/VAR LGT/VAR SE 5 SW 9 G18
WIND 20FT/LATE(MPH) LGT/VAR LGT/VAR S 8 G17 W 9 G18
PRECIP AMOUNT 0.00 0.00 0.03 0.02
PRECIP DURATION 6 3
PRECIP BEGIN 7 PM CONTINUING
PRECIP END CONTINUING 6 PM
MIXING HGT(M-AGL/MSL) 420 630
MIXING HGT(FT-AGL/MSL) 1370 2070
TRANSPORT WND (MPH) SW 10 W 14
VENT RATE (KT-FT) 12330 24840
CATEGORY DAY 2 2
INVERSION 6PM 37F/12PM 4PM 38F/4AM
DISPERSION 2 2
MAX ADI EARLY 4 VERY POOR 11 POOR 11 POOR 25 FAIR
MAX ADI LATE 3 VERY POOR 15 GEN POOR 13 GEN POOR 28 FAIR
MAX LVORI EARLY 3 3 2 5
MAX LVORI LATE 3 2 4 4
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
OHZ057-220915-
MUSKINGUM-
INCLUDING THE CITY OF ZANESVILLE
1229 PM EST SUN DEC 21 2025
TONIGHT MON MON NIGHT TUE
CLOUD COVER CLEAR PCLDY MCLDY MCLDY
PRECIP TYPE NONE NONE SNOW/RAIN RAIN
CHANCE PRECIP (%) 0 0 60 20
CHANCE OF THUNDER (%) 0 0 0 0
TEMP (24H TREND) 17 (-15) 41 (+6) 33 51
RH % (24H TREND) 82 (+12) 40 (-8) 95 80
WIND 20FT/EARLY(MPH) LGT/VAR LGT/VAR S 5 SW 7
WIND 20FT/LATE(MPH) LGT/VAR LGT/VAR S 6 W 8
PRECIP AMOUNT 0.00 0.00 0.02 0.01
PRECIP DURATION 4 1
PRECIP BEGIN 7 PM CONTINUING
PRECIP END CONTINUING 1 PM
MIXING HGT(M-AGL/MSL) 280 640
MIXING HGT(FT-AGL/MSL) 930 2100
TRANSPORT WND (MPH) S 10 W 15
VENT RATE (KT-FT) 8370 27300
CATEGORY DAY 1 3
INVERSION 6PM CONTINUING 6PM 43F/8AM
DISPERSION 1 3
MAX ADI EARLY 3 VERY POOR 8 POOR 9 POOR 24 FAIR
MAX ADI LATE 3 VERY POOR 12 POOR 12 POOR 29 FAIR
MAX LVORI EARLY 4 4 3 5
MAX LVORI LATE 5 2 5 4
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
OHZ058-220915-
GUERNSEY-
INCLUDING THE CITY OF CAMBRIDGE
1229 PM EST SUN DEC 21 2025
TONIGHT MON MON NIGHT TUE
CLOUD COVER CLEAR PCLDY MCLDY MCLDY
PRECIP TYPE NONE NONE SNOW/RAIN RAIN
CHANCE PRECIP (%) 0 0 60 30
CHANCE OF THUNDER (%) 0 0 0 0
TEMP (24H TREND) 18 (-15) 42 (+7) 33 51
RH % (24H TREND) 80 (+13) 38 (-9) 94 78
WIND 20FT/EARLY(MPH) LGT/VAR LGT/VAR SE 5 SW 7 G17
WIND 20FT/LATE(MPH) LGT/VAR LGT/VAR S 6 W 7
PRECIP AMOUNT 0.00 0.00 0.03 0.01
PRECIP DURATION 5 2
PRECIP BEGIN 7 PM CONTINUING
PRECIP END CONTINUING 1 PM
MIXING HGT(M-AGL/MSL) 280 540
MIXING HGT(FT-AGL/MSL) 930 1770
TRANSPORT WND (MPH) S 10 W 14
VENT RATE (KT-FT) 8370 21240
CATEGORY DAY 1 2
INVERSION 6PM CONTINUING 6PM 39F/4AM
DISPERSION 1 2
MAX ADI EARLY 3 VERY POOR 8 POOR 10 POOR 21 FAIR
MAX ADI LATE 3 VERY POOR 12 POOR 12 POOR 24 FAIR
MAX LVORI EARLY 4 4 2 5
MAX LVORI LATE 4 2 4 4
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
OHZ059-220915-
BELMONT-
INCLUDING THE CITIES OF MARTINS FERRY AND ST. CLAIRSVILLE
1229 PM EST SUN DEC 21 2025
TONIGHT MON MON NIGHT TUE
CLOUD COVER CLEAR PCLDY MCLDY MCLDY
PRECIP TYPE NONE NONE SNOW/RAIN RAIN
CHANCE PRECIP (%) 0 0 70 50
CHANCE OF THUNDER (%) 0 0 0 0
TEMP (24H TREND) 18 (-15) 42 (+7) 33 50
RH % (24H TREND) 79 (+12) 36 (-12) 93 73
WIND 20FT/EARLY(MPH) LGT/VAR LGT/VAR SE 5 SW 9 G18
WIND 20FT/LATE(MPH) LGT/VAR LGT/VAR S 8 G19 SW 9 G18
PRECIP AMOUNT 0.00 0.00 0.03 0.02
PRECIP DURATION 4 2
PRECIP BEGIN 7 PM CONTINUING
PRECIP END CONTINUING 6 PM
MIXING HGT(M-AGL/MSL) 370 570
MIXING HGT(FT-AGL/MSL) 1210 1860
TRANSPORT WND (MPH) S 10 W 14
VENT RATE (KT-FT) 10890 22320
CATEGORY DAY 1 2
INVERSION 6PM 40F/1PM 4PM 39F/4AM
DISPERSION 1 2
MAX ADI EARLY 3 VERY POOR 9 POOR 12 POOR 25 FAIR
MAX ADI LATE 3 VERY POOR 13 GEN POOR 13 GEN POOR 26 FAIR
MAX LVORI EARLY 3 4 2 5
MAX LVORI LATE 4 2 4 4
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
OHZ068-220915-
NOBLE-
INCLUDING THE CITY OF CALDWELL
1229 PM EST SUN DEC 21 2025
TONIGHT MON MON NIGHT TUE
CLOUD COVER CLEAR PCLDY MCLDY CLOUDY
PRECIP TYPE NONE NONE SNOW/RAIN RAIN
CHANCE PRECIP (%) 0 0 60 30
CHANCE OF THUNDER (%) 0 0 0 0
TEMP (24H TREND) 19 (-15) 43 (+7) 34 51
RH % (24H TREND) 81 (+16) 37 (-6) 93 76
WIND 20FT/EARLY(MPH) LGT/VAR LGT/VAR SE 5 SW 7
WIND 20FT/LATE(MPH) LGT/VAR LGT/VAR S 6 SW 7
PRECIP AMOUNT 0.00 0.00 0.03 0.02
PRECIP DURATION 5 2
PRECIP BEGIN 7 PM CONTINUING
PRECIP END CONTINUING 1 PM
MIXING HGT(M-AGL/MSL) 300 530
MIXING HGT(FT-AGL/MSL) 980 1720
TRANSPORT WND (MPH) S 9 W 13
VENT RATE (KT-FT) 7840 18920
CATEGORY DAY 1 2
INVERSION 6PM CONTINUING 6PM 40F/4AM
DISPERSION 1 2
MAX ADI EARLY 3 VERY POOR 8 POOR 9 POOR 21 FAIR
MAX ADI LATE 3 VERY POOR 12 POOR 13 GEN POOR 22 FAIR
MAX LVORI EARLY 4 4 2 5
MAX LVORI LATE 4 2 4 4
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
OHZ069-220915-
MONROE-
INCLUDING THE CITY OF WOODSFIELD
1229 PM EST SUN DEC 21 2025
TONIGHT MON MON NIGHT TUE
CLOUD COVER CLEAR PCLDY MCLDY CLOUDY
PRECIP TYPE NONE NONE RAIN RAIN
CHANCE PRECIP (%) 0 0 60 40
CHANCE OF THUNDER (%) 0 0 0 0
TEMP (24H TREND) 19 (-16) 43 (+6) 34 51
RH % (24H TREND) 79 (+16) 37 (-4) 92 72
WIND 20FT/EARLY(MPH) LGT/VAR LGT/VAR LGT/VAR SW 8 G18
WIND 20FT/LATE(MPH) LGT/VAR LGT/VAR S 7 G18 SW 7 G17
PRECIP AMOUNT 0.00 0.00 0.03 0.02
PRECIP DURATION 5 2
PRECIP BEGIN 7 PM CONTINUING
PRECIP END CONTINUING 1 PM
MIXING HGT(M-AGL/MSL) 330 600
MIXING HGT(FT-AGL/MSL) 1080 1980
TRANSPORT WND (MPH) S 8 W 12
VENT RATE (KT-FT) 7560 19800
CATEGORY DAY 1 2
INVERSION 6PM CONTINUING 6PM 39F/4AM
DISPERSION 1 2
MAX ADI EARLY 3 VERY POOR 8 POOR 8 POOR 23 FAIR
MAX ADI LATE 3 VERY POOR 10 POOR 13 GEN POOR 23 FAIR
MAX LVORI EARLY 3 4 2 5
MAX LVORI LATE 4 2 4 4
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
PAZ007-220915-
MERCER-
INCLUDING THE CITIES OF SHARON, HERMITAGE, AND GROVE CITY
1229 PM EST SUN DEC 21 2025
TONIGHT MON MON NIGHT TUE
CLOUD COVER MCLEAR PCLDY MCLDY MCLDY
PRECIP TYPE NONE SNOW SHOWERS SNOW/FZ RA RAIN
CHANCE PRECIP (%) 0 20 80 50
CHANCE OF THUNDER (%) 0 0 0 0
TEMP (24H TREND) 14 (-14) 36 (+6) 28 44
RH % (24H TREND) 89 (+20) 52 (-6) 97 82
WIND 20FT/EARLY(MPH) LGT/VAR LGT/VAR SE 6 SW 8
WIND 20FT/LATE(MPH) LGT/VAR S 5 S 7 W 9
PRECIP AMOUNT 0.00 0.00 0.06 0.02
PRECIP DURATION 0 6 3
PRECIP BEGIN 2 PM 7 PM CONTINUING
PRECIP END 5 PM CONTINUING 6 PM
MIXING HGT(M-AGL/MSL) 410 700
MIXING HGT(FT-AGL/MSL) 1360 2290
TRANSPORT WND (MPH) SW 10 W 14
VENT RATE (KT-FT) 12240 27480
CATEGORY DAY 2 3
INVERSION 8PM 30F/11AM 4PM 33F/4AM
DISPERSION 2 3
MAX ADI EARLY 6 VERY POOR 16 GEN POOR 14 GEN POOR 23 FAIR
MAX ADI LATE 4 VERY POOR 16 GEN POOR 14 GEN POOR 29 FAIR
MAX LVORI EARLY 5 4 3 5
MAX LVORI LATE 5 3 5 5
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
PAZ008-220915-
VENANGO-
INCLUDING THE CITIES OF OIL CITY AND FRANKLIN
1229 PM EST SUN DEC 21 2025
TONIGHT MON MON NIGHT TUE
CLOUD COVER MCLEAR PCLDY MCLDY MCLDY
PRECIP TYPE NONE NONE SNOW/FZ RA RAIN
CHANCE PRECIP (%) 0 0 80 60
CHANCE OF THUNDER (%) 0 0 0 0
TEMP (24H TREND) 14 (-14) 35 (+6) 27 43
RH % (24H TREND) 92 (+21) 53 (-6) 98 83
WIND 20FT/EARLY(MPH) LGT/VAR LGT/VAR LGT/VAR SW 7
WIND 20FT/LATE(MPH) LGT/VAR LGT/VAR S 6 W 8
PRECIP AMOUNT 0.00 0.00 0.07 0.03
PRECIP DURATION 6 6
PRECIP BEGIN 7 PM CONTINUING
PRECIP END CONTINUING 6 PM
MIXING HGT(M-AGL/MSL) 470 730
MIXING HGT(FT-AGL/MSL) 1550 2380
TRANSPORT WND (MPH) SW 10 W 15
VENT RATE (KT-FT) 13950 30940
CATEGORY DAY 2 3
INVERSION 8PM 25F/10AM 5PM 33F/5AM
DISPERSION 2 3
MAX ADI EARLY 11 POOR 17 GEN POOR 8 POOR 24 FAIR
MAX ADI LATE 4 VERY POOR 18 GEN POOR 12 POOR 32 FAIR
MAX LVORI EARLY 5 5 4 5
MAX LVORI LATE 6 3 5 4
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
PAZ009-220915-
FOREST-
INCLUDING THE CITY OF TIONESTA
1229 PM EST SUN DEC 21 2025
TONIGHT MON MON NIGHT TUE
CLOUD COVER PCLDY PCLDY MCLDY MCLDY
PRECIP TYPE NONE NONE SNOW/FZ RA FRZ RAIN
CHANCE PRECIP (%) 0 0 80 60
CHANCE OF THUNDER (%) 0 0 0 0
TEMP (24H TREND) 13 (-14) 34 (+5) 25 42
RH % (24H TREND) 92 (+25) 51 (-6) 96 81
WIND 20FT/EARLY(MPH) LGT/VAR LGT/VAR LGT/VAR SW 6
WIND 20FT/LATE(MPH) LGT/VAR LGT/VAR LGT/VAR W 6
PRECIP AMOUNT 0.00 0.00 0.09 0.05
PRECIP DURATION 6 6
PRECIP BEGIN 7 PM CONTINUING
PRECIP END CONTINUING 1 PM
MIXING HGT(M-AGL/MSL) 520 770
MIXING HGT(FT-AGL/MSL) 1700 2520
TRANSPORT WND (MPH) SW 12 W 15
VENT RATE (KT-FT) 17000 32760
CATEGORY DAY 2 3
INVERSION 10PM 23F/10AM 5PM 32F/5AM
DISPERSION 2 3
MAX ADI EARLY 12 POOR 20 GEN POOR 8 POOR 26 FAIR
MAX ADI LATE 4 VERY POOR 22 FAIR 11 POOR 34 FAIR
MAX LVORI EARLY 4 5 5 5
MAX LVORI LATE 6 2 5 4
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
PAZ013-220915-
LAWRENCE-
INCLUDING THE CITIES OF NEW CASTLE AND ELLWOOD CITY
1229 PM EST SUN DEC 21 2025
TONIGHT MON MON NIGHT TUE
CLOUD COVER MCLEAR PCLDY MCLDY MCLDY
PRECIP TYPE NONE NONE SNOW/FZ RA RAIN
CHANCE PRECIP (%) 0 0 80 60
CHANCE OF THUNDER (%) 0 0 0 0
TEMP (24H TREND) 14 (-16) 38 (+6) 29 46
RH % (24H TREND) 85 (+18) 46 (-8) 97 80
WIND 20FT/EARLY(MPH) LGT/VAR LGT/VAR LGT/VAR SW 6
WIND 20FT/LATE(MPH) LGT/VAR LGT/VAR S 5 W 8
PRECIP AMOUNT 0.00 0.00 0.05 0.03
PRECIP DURATION 6 6
PRECIP BEGIN 7 PM CONTINUING
PRECIP END CONTINUING 6 PM
MIXING HGT(M-AGL/MSL) 450 690
MIXING HGT(FT-AGL/MSL) 1470 2250
TRANSPORT WND (MPH) SW 9 W 15
VENT RATE (KT-FT) 11760 29250
CATEGORY DAY 1 3
INVERSION 8PM 31F/11AM 4PM 34F/4AM
DISPERSION 1 3
MAX ADI EARLY 6 VERY POOR 15 GEN POOR 10 POOR 24 FAIR
MAX ADI LATE 3 VERY POOR 15 GEN POOR 10 POOR 30 FAIR
MAX LVORI EARLY 4 4 3 5
MAX LVORI LATE 5 3 5 5
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
PAZ014-220915-
BUTLER-
INCLUDING THE CITY OF BUTLER
1229 PM EST SUN DEC 21 2025
TONIGHT MON MON NIGHT TUE
CLOUD COVER MCLEAR PCLDY MCLDY MCLDY
PRECIP TYPE NONE NONE SNOW/FZ RA RAIN
CHANCE PRECIP (%) 0 0 80 70
CHANCE OF THUNDER (%) 0 0 0 0
TEMP (24H TREND) 14 (-16) 37 (+5) 28 45
RH % (24H TREND) 88 (+19) 49 (-5) 98 82
WIND 20FT/EARLY(MPH) LGT/VAR LGT/VAR LGT/VAR SW 7
WIND 20FT/LATE(MPH) LGT/VAR LGT/VAR S 5 W 8 G17
PRECIP AMOUNT 0.00 0.00 0.06 0.03
PRECIP DURATION 6 6
PRECIP BEGIN 7 PM CONTINUING
PRECIP END CONTINUING 6 PM
MIXING HGT(M-AGL/MSL) 450 680
MIXING HGT(FT-AGL/MSL) 1490 2230
TRANSPORT WND (MPH) SW 9 W 15
VENT RATE (KT-FT) 11920 28990
CATEGORY DAY 1 3
INVERSION 8PM 30F/11AM 4PM 35F/7AM
DISPERSION 1 3
MAX ADI EARLY 7 POOR 15 GEN POOR 8 POOR 23 FAIR
MAX ADI LATE 3 VERY POOR 16 GEN POOR 11 POOR 30 FAIR
MAX LVORI EARLY 4 4 3 5
MAX LVORI LATE 6 3 5 5
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
PAZ015-220915-
CLARION-
INCLUDING THE CITY OF CLARION
1229 PM EST SUN DEC 21 2025
TONIGHT MON MON NIGHT TUE
CLOUD COVER MCLEAR PCLDY MCLDY MCLDY
PRECIP TYPE NONE NONE SNOW/FZ RA RAIN
CHANCE PRECIP (%) 0 0 80 70
CHANCE OF THUNDER (%) 0 0 0 0
TEMP (24H TREND) 13 (-16) 35 (+4) 27 44
RH % (24H TREND) 88 (+21) 51 (-7) 96 80
WIND 20FT/EARLY(MPH) LGT/VAR LGT/VAR LGT/VAR SW 6 G17
WIND 20FT/LATE(MPH) LGT/VAR LGT/VAR S 5 W 8 G17
PRECIP AMOUNT 0.00 0.00 0.08 0.04
PRECIP DURATION 6 6
PRECIP BEGIN 7 PM CONTINUING
PRECIP END CONTINUING 6 PM
MIXING HGT(M-AGL/MSL) 490 700
MIXING HGT(FT-AGL/MSL) 1600 2310
TRANSPORT WND (MPH) SW 10 W 15
VENT RATE (KT-FT) 14400 30030
CATEGORY DAY 2 3
INVERSION 10PM 25F/10AM 5PM 33F/7AM
DISPERSION 2 3
MAX ADI EARLY 12 POOR 18 GEN POOR 8 POOR 24 FAIR
MAX ADI LATE 4 VERY POOR 19 GEN POOR 11 POOR 31 FAIR
MAX LVORI EARLY 4 5 4 5
MAX LVORI LATE 6 3 5 4
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
PAZ016-220915-
JEFFERSON PA-
INCLUDING THE CITIES OF PUNXSUTAWNEY AND BROOKVILLE
1229 PM EST SUN DEC 21 2025
TONIGHT MON MON NIGHT TUE
CLOUD COVER MCLEAR PCLDY MCLDY MCLDY
PRECIP TYPE NONE NONE SNOW/FZ RA RAIN
CHANCE PRECIP (%) 0 0 80 70
CHANCE OF THUNDER (%) 0 0 0 0
TEMP (24H TREND) 13 (-16) 35 (+5) 27 43
RH % (24H TREND) 85 (+22) 47 (-7) 92 74
WIND 20FT/EARLY(MPH) W 5 LGT/VAR LGT/VAR SW 7 G18
WIND 20FT/LATE(MPH) LGT/VAR LGT/VAR S 5 W 9 G20
PRECIP AMOUNT 0.00 0.00 0.10 0.06
PRECIP DURATION 6 6
PRECIP BEGIN 7 PM CONTINUING
PRECIP END CONTINUING 6 PM
MIXING HGT(M-AGL/MSL) 510 750
MIXING HGT(FT-AGL/MSL) 1670 2450
TRANSPORT WND (MPH) SW 12 W 16
VENT RATE (KT-FT) 16700 34300
CATEGORY DAY 2 3
INVERSION 12AM 25F/10AM 5PM 34F/7AM
DISPERSION 2 3
MAX ADI EARLY 12 POOR 22 FAIR 8 POOR 29 FAIR
MAX ADI LATE 5 VERY POOR 22 FAIR 12 POOR 35 FAIR
MAX LVORI EARLY 4 4 3 4
MAX LVORI LATE 5 3 4 4
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
PAZ020-220915-
BEAVER-
INCLUDING THE CITIES OF ALIQUIPPA, BEAVER FALLS, AMBRIDGE,
AND MONACA
1229 PM EST SUN DEC 21 2025
TONIGHT MON MON NIGHT TUE
CLOUD COVER CLEAR PCLDY MCLDY MCLDY
PRECIP TYPE NONE NONE SNOW/RAIN RAIN
CHANCE PRECIP (%) 0 0 80 60
CHANCE OF THUNDER (%) 0 0 0 0
TEMP (24H TREND) 16 (-16) 39 (+6) 31 47
RH % (24H TREND) 80 (+18) 41 (-7) 94 75
WIND 20FT/EARLY(MPH) LGT/VAR LGT/VAR LGT/VAR SW 7
WIND 20FT/LATE(MPH) LGT/VAR LGT/VAR S 5 W 8 G17
PRECIP AMOUNT 0.00 0.00 0.05 0.03
PRECIP DURATION 6 6
PRECIP BEGIN 7 PM CONTINUING
PRECIP END CONTINUING 6 PM
MIXING HGT(M-AGL/MSL) 480 660
MIXING HGT(FT-AGL/MSL) 1570 2160
TRANSPORT WND (MPH) SW 9 W 14
VENT RATE (KT-FT) 12560 25920
CATEGORY DAY 1 2
INVERSION 7PM 32F/11AM 4PM 36F/4AM
DISPERSION 1 2
MAX ADI EARLY 5 VERY POOR 13 GEN POOR 8 POOR 25 FAIR
MAX ADI LATE 3 VERY POOR 16 GEN POOR 10 POOR 29 FAIR
MAX LVORI EARLY 3 4 3 5
MAX LVORI LATE 4 2 5 4
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
PAZ021-220915-
ALLEGHENY-
INCLUDING THE CITY OF PITTSBURGH METRO AREA
1229 PM EST SUN DEC 21 2025
TONIGHT MON MON NIGHT TUE
CLOUD COVER CLEAR PCLDY MCLDY MCLDY
PRECIP TYPE NONE NONE SNOW/RAIN RAIN
CHANCE PRECIP (%) 0 0 80 70
CHANCE OF THUNDER (%) 0 0 0 0
TEMP (24H TREND) 16 (-17) 41 (+6) 32 49
RH % (24H TREND) 81 (+22) 40 (-6) 95 72
WIND 20FT/EARLY(MPH) LGT/VAR LGT/VAR LGT/VAR SW 9 G17
WIND 20FT/LATE(MPH) LGT/VAR LGT/VAR S 6 SW 9 G18
PRECIP AMOUNT 0.00 0.00 0.05 0.03
PRECIP DURATION 6 7
PRECIP BEGIN 7 PM CONTINUING
PRECIP END CONTINUING 6 PM
MIXING HGT(M-AGL/MSL) 510 640
MIXING HGT(FT-AGL/MSL) 1660 2110
TRANSPORT WND (MPH) SW 8 W 14
VENT RATE (KT-FT) 11620 25320
CATEGORY DAY 2 2
INVERSION 7PM 32F/11AM 4PM 37F/5AM
DISPERSION 2 2
MAX ADI EARLY 5 VERY POOR 12 POOR 7 POOR 27 FAIR
MAX ADI LATE 3 VERY POOR 17 GEN POOR 12 POOR 28 FAIR
MAX LVORI EARLY 3 4 3 5
MAX LVORI LATE 4 2 4 4
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
PAZ022-220915-
ARMSTRONG-
INCLUDING THE CITIES OF KITTANNING AND FORD CITY
1229 PM EST SUN DEC 21 2025
TONIGHT MON MON NIGHT TUE
CLOUD COVER MCLEAR PCLDY MCLDY MCLDY
PRECIP TYPE NONE NONE SNOW/FZ RA RAIN
CHANCE PRECIP (%) 0 0 80 70
CHANCE OF THUNDER (%) 0 0 0 0
TEMP (24H TREND) 14 (-18) 38 (+5) 28 46
RH % (24H TREND) 88 (+25) 46 (-6) 97 79
WIND 20FT/EARLY(MPH) LGT/VAR LGT/VAR LGT/VAR SW 7 G17
WIND 20FT/LATE(MPH) LGT/VAR LGT/VAR S 5 SW 8 G17
PRECIP AMOUNT 0.00 0.00 0.07 0.04
PRECIP DURATION 6 7
PRECIP BEGIN 7 PM CONTINUING
PRECIP END CONTINUING 6 PM
MIXING HGT(M-AGL/MSL) 500 670
MIXING HGT(FT-AGL/MSL) 1650 2210
TRANSPORT WND (MPH) SW 10 W 15
VENT RATE (KT-FT) 14850 28730
CATEGORY DAY 2 3
INVERSION 8PM 26F/10AM 5PM 36F/7AM
DISPERSION 2 3
MAX ADI EARLY 7 POOR 17 GEN POOR 7 POOR 26 FAIR
MAX ADI LATE 4 VERY POOR 18 GEN POOR 10 POOR 29 FAIR
MAX LVORI EARLY 4 4 3 5
MAX LVORI LATE 6 3 5 4
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
PAZ029-220915-
WASHINGTON-
INCLUDING THE CITIES OF WASHINGTON AND CANONSBURG
1229 PM EST SUN DEC 21 2025
TONIGHT MON MON NIGHT TUE
CLOUD COVER CLEAR PCLDY MCLDY MCLDY
PRECIP TYPE NONE NONE SNOW/RAIN RAIN
CHANCE PRECIP (%) 0 0 80 70
CHANCE OF THUNDER (%) 0 0 0 0
TEMP (24H TREND) 16 (-18) 41 (+6) 32 48
RH % (24H TREND) 78 (+17) 36 (-9) 92 70
WIND 20FT/EARLY(MPH) LGT/VAR LGT/VAR SE 5 SW 10 G19
WIND 20FT/LATE(MPH) LGT/VAR LGT/VAR S 8 G18 SW 10 G19
PRECIP AMOUNT 0.00 0.00 0.04 0.03
PRECIP DURATION 6 7
PRECIP BEGIN 7 PM CONTINUING
PRECIP END CONTINUING 6 PM
MIXING HGT(M-AGL/MSL) 520 630
MIXING HGT(FT-AGL/MSL) 1710 2060
TRANSPORT WND (MPH) SW 9 W 15
VENT RATE (KT-FT) 13680 26780
CATEGORY DAY 2 3
INVERSION 6PM 34F/11AM 4PM 38F/4AM
DISPERSION 2 3
MAX ADI EARLY 4 VERY POOR 12 POOR 8 POOR 30 FAIR
MAX ADI LATE 3 VERY POOR 16 GEN POOR 13 GEN POOR 31 FAIR
MAX LVORI EARLY 3 4 2 4
MAX LVORI LATE 4 2 4 4
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
PAZ031-220915-
GREENE-
INCLUDING THE CITY OF WAYNESBURG
1229 PM EST SUN DEC 21 2025
TONIGHT MON MON NIGHT TUE
CLOUD COVER CLEAR PCLDY MCLDY CLOUDY
PRECIP TYPE NONE NONE SNOW/RAIN RAIN
CHANCE PRECIP (%) 0 0 70 70
CHANCE OF THUNDER (%) 0 0 0 0
TEMP (24H TREND) 17 (-19) 43 (+6) 33 49
RH % (24H TREND) 80 (+22) 36 (-3) 93 70
WIND 20FT/EARLY(MPH) LGT/VAR LGT/VAR LGT/VAR SW 9 G19
WIND 20FT/LATE(MPH) LGT/VAR LGT/VAR S 7 G18 SW 9 G18
PRECIP AMOUNT 0.00 0.00 0.04 0.03
PRECIP DURATION 4 6
PRECIP BEGIN 7 PM CONTINUING
PRECIP END CONTINUING 6 PM
MIXING HGT(M-AGL/MSL) 570 670
MIXING HGT(FT-AGL/MSL) 1870 2200
TRANSPORT WND (MPH) SW 8 SW 14
VENT RATE (KT-FT) 13090 26400
CATEGORY DAY 2 3
INVERSION 6PM 35F/11AM 4PM 38F/4AM
DISPERSION 2 3
MAX ADI EARLY 3 VERY POOR 12 POOR 8 POOR 31 FAIR
MAX ADI LATE 3 VERY POOR 16 GEN POOR 15 GEN POOR 31 FAIR
MAX LVORI EARLY 3 4 2 4
MAX LVORI LATE 4 2 4 4
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
PAZ073-220915-
WESTMORELAND-
INCLUDING THE CITIES OF MURRYSVILLE, GREENSBURG, NEW KENSINGTON,
LOWER BURRELL, LATROBE, AND MONESSEN
1229 PM EST SUN DEC 21 2025
TONIGHT MON MON NIGHT TUE
CLOUD COVER MCLEAR PCLDY MCLDY MCLDY
PRECIP TYPE NONE NONE SNOW/RAIN RAIN
CHANCE PRECIP (%) 0 0 80 80
CHANCE OF THUNDER (%) 0 0 0 0
TEMP (24H TREND) 15 (-20) 42 (+6) 31 48
RH % (24H TREND) 85 (+27) 39 (-5) 95 73
WIND 20FT/EARLY(MPH) LGT/VAR LGT/VAR LGT/VAR SW 11 G19
WIND 20FT/LATE(MPH) LGT/VAR LGT/VAR S 7 G17 SW 11 G19
PRECIP AMOUNT 0.00 0.00 0.06 0.05
PRECIP DURATION 6 8
PRECIP BEGIN 7 PM CONTINUING
PRECIP END CONTINUING 6 PM
MIXING HGT(M-AGL/MSL) 560 690
MIXING HGT(FT-AGL/MSL) 1830 2260
TRANSPORT WND (MPH) SW 9 W 16
VENT RATE (KT-FT) 14640 31640
CATEGORY DAY 2 3
INVERSION 7PM 29F/10AM 4PM 38F/6AM
DISPERSION 2 3
MAX ADI EARLY 6 VERY POOR 16 GEN POOR 7 POOR 32 FAIR
MAX ADI LATE 3 VERY POOR 19 GEN POOR 13 GEN POOR 32 FAIR
MAX LVORI EARLY 3 4 3 5
MAX LVORI LATE 5 2 4 4
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
PAZ074-220915-
HIGHER ELEVATIONS OF WESTMORELAND-
INCLUDING THE CITIES OF LIGONIER AND DONEGAL
1229 PM EST SUN DEC 21 2025
TONIGHT MON MON NIGHT TUE
CLOUD COVER MCLEAR PCLDY MCLDY MCLDY
PRECIP TYPE NONE NONE SNOW/FZ RA RAIN
CHANCE PRECIP (%) 0 0 80 70
CHANCE OF THUNDER (%) 0 0 0 0
TEMP (24H TREND) 16 (-17) 41 (+6) 31 47
RH % (24H TREND) 75 (+19) 34 (-8) 89 68
WIND 20FT/EARLY(MPH) LGT/VAR LGT/VAR LGT/VAR SW 10 G23
WIND 20FT/LATE(MPH) LGT/VAR LGT/VAR S 6 G20 W 11 G23
PRECIP AMOUNT 0.00 0.00 0.08 0.07
PRECIP DURATION 6 7
PRECIP BEGIN 7 PM CONTINUING
PRECIP END CONTINUING 6 PM
MIXING HGT(M-AGL/MSL) 630 850
MIXING HGT(FT-AGL/MSL) 2070 2790
TRANSPORT WND (MPH) SW 9 W 20
VENT RATE (KT-FT) 16560 47430
CATEGORY DAY 2 3
INVERSION 8PM 29F/10AM 4PM 38F/6AM
DISPERSION 2 3
MAX ADI EARLY 8 POOR 19 GEN POOR 7 POOR 44 GEN GOOD
MAX ADI LATE 4 VERY POOR 20 GEN POOR 14 GEN POOR 47 GEN GOOD
MAX LVORI EARLY 3 3 3 4
MAX LVORI LATE 4 2 4 4
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
PAZ075-220915-
FAYETTE-
INCLUDING THE CITY OF UNIONTOWN
1229 PM EST SUN DEC 21 2025
TONIGHT MON MON NIGHT TUE
CLOUD COVER CLEAR PCLDY MCLDY CLOUDY
PRECIP TYPE NONE NONE SNOW/RAIN RAIN
CHANCE PRECIP (%) 0 0 80 70
CHANCE OF THUNDER (%) 0 0 0 0
TEMP (24H TREND) 17 (-19) 43 (+5) 33 49
RH % (24H TREND) 82 (+25) 34 (-7) 93 69
WIND 20FT/EARLY(MPH) LGT/VAR LGT/VAR LGT/VAR SW 9 G19
WIND 20FT/LATE(MPH) LGT/VAR LGT/VAR S 7 G18 SW 9 G17
PRECIP AMOUNT 0.00 0.00 0.05 0.05
PRECIP DURATION 6 7
PRECIP BEGIN 7 PM CONTINUING
PRECIP END CONTINUING 6 PM
MIXING HGT(M-AGL/MSL) 650 720
MIXING HGT(FT-AGL/MSL) 2120 2360
TRANSPORT WND (MPH) SW 8 SW 15
VENT RATE (KT-FT) 14840 30680
CATEGORY DAY 2 3
INVERSION 6PM 31F/10AM 4PM 38F/4AM
DISPERSION 2 3
MAX ADI EARLY 4 VERY POOR 17 GEN POOR 7 POOR 34 FAIR
MAX ADI LATE 3 VERY POOR 18 GEN POOR 16 GEN POOR 35 FAIR
MAX LVORI EARLY 3 4 3 4
MAX LVORI LATE 5 2 4 4
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
PAZ076-220915-
HIGHER ELEVATIONS OF FAYETTE-
INCLUDING THE CITIES OF CHAMPION AND OHIOPYLE
1229 PM EST SUN DEC 21 2025
TONIGHT MON MON NIGHT TUE
CLOUD COVER CLEAR PCLDY MCLDY MCLDY
PRECIP TYPE NONE NONE SNOW/RAIN RAIN
CHANCE PRECIP (%) 0 0 80 70
CHANCE OF THUNDER (%) 0 0 0 0
TEMP (24H TREND) 16 (-17) 42 (+7) 32 47
RH % (24H TREND) 78 (+18) 32 (-10) 94 69
WIND 20FT/EARLY(MPH) LGT/VAR LGT/VAR LGT/VAR SW 9 G21
WIND 20FT/LATE(MPH) LGT/VAR LGT/VAR S 6 G20 W 9 G20
PRECIP AMOUNT 0.00 0.00 0.08 0.07
PRECIP DURATION 6 7
PRECIP BEGIN 7 PM CONTINUING
PRECIP END CONTINUING CONTINUING
MIXING HGT(M-AGL/MSL) 620 820
MIXING HGT(FT-AGL/MSL) 2040 2680
TRANSPORT WND (MPH) SW 8 W 17
VENT RATE (KT-FT) 14280 40200
CATEGORY DAY 2 3
INVERSION 7PM 33F/11AM 4PM 38F/6AM
DISPERSION 2 3
MAX ADI EARLY 6 VERY POOR 13 GEN POOR 7 POOR 43 GEN GOOD
MAX ADI LATE 3 VERY POOR 16 GEN POOR 18 GEN POOR 44 GEN GOOD
MAX LVORI EARLY 3 3 2 4
MAX LVORI LATE 4 2 4 4
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
PAZ077-220915-
INDIANA-
INCLUDING THE CITY OF INDIANA
1229 PM EST SUN DEC 21 2025
TONIGHT MON MON NIGHT TUE
CLOUD COVER MCLEAR PCLDY MCLDY MCLDY
PRECIP TYPE NONE NONE SNOW/RAIN RAIN
CHANCE PRECIP (%) 0 0 80 70
CHANCE OF THUNDER (%) 0 0 0 0
TEMP (24H TREND) 15 (-17) 39 (+5) 29 46
RH % (24H TREND) 85 (+25) 42 (-6) 94 72
WIND 20FT/EARLY(MPH) W 5 LGT/VAR LGT/VAR SW 9 G19
WIND 20FT/LATE(MPH) LGT/VAR LGT/VAR S 5 W 11 G22
PRECIP AMOUNT 0.00 0.00 0.08 0.06
PRECIP DURATION 6 7
PRECIP BEGIN 7 PM CONTINUING
PRECIP END CONTINUING 6 PM
MIXING HGT(M-AGL/MSL) 530 730
MIXING HGT(FT-AGL/MSL) 1730 2380
TRANSPORT WND (MPH) SW 10 W 17
VENT RATE (KT-FT) 15570 35700
CATEGORY DAY 2 3
INVERSION 12AM 27F/10AM 5PM 36F/7AM
DISPERSION 2 3
MAX ADI EARLY 10 POOR 20 GEN POOR 8 POOR 33 FAIR
MAX ADI LATE 5 VERY POOR 20 GEN POOR 11 POOR 37 FAIR
MAX LVORI EARLY 3 4 3 5
MAX LVORI LATE 5 2 4 4
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
PAZ078-220915-
HIGHER ELEVATIONS OF INDIANA-
INCLUDING THE CITY OF ARMAGH
1229 PM EST SUN DEC 21 2025
TONIGHT MON MON NIGHT TUE
CLOUD COVER MCLEAR PCLDY MCLDY MCLDY
PRECIP TYPE NONE NONE SNOW/RAIN RAIN
CHANCE PRECIP (%) 0 0 80 70
CHANCE OF THUNDER (%) 0 0 0 0
TEMP (24H TREND) 15 (-17) 39 (+5) 30 45
RH % (24H TREND) 82 (+24) 38 (-6) 91 69
WIND 20FT/EARLY(MPH) W 6 G17 LGT/VAR LGT/VAR SW 9 G21
WIND 20FT/LATE(MPH) LGT/VAR LGT/VAR S 6 W 11 G23
PRECIP AMOUNT 0.00 0.00 0.09 0.06
PRECIP DURATION 6 7
PRECIP BEGIN 7 PM CONTINUING
PRECIP END CONTINUING 6 PM
MIXING HGT(M-AGL/MSL) 540 780
MIXING HGT(FT-AGL/MSL) 1770 2570
TRANSPORT WND (MPH) SW 10 W 18
VENT RATE (KT-FT) 15930 41120
CATEGORY DAY 2 3
INVERSION 12AM 28F/10AM 5PM 38F/8AM
DISPERSION 2 3
MAX ADI EARLY 12 POOR 21 FAIR 9 POOR 37 FAIR
MAX ADI LATE 5 VERY POOR 20 GEN POOR 12 POOR 44 GEN GOOD
MAX LVORI EARLY 3 4 3 4
MAX LVORI LATE 4 2 4 4
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
WVZ001-220915-
HANCOCK-
INCLUDING THE CITY OF WEIRTON
1229 PM EST SUN DEC 21 2025
TONIGHT MON MON NIGHT TUE
CLOUD COVER CLEAR PCLDY MCLDY MCLDY
PRECIP TYPE NONE NONE SNOW/RAIN RAIN
CHANCE PRECIP (%) 0 0 80 50
CHANCE OF THUNDER (%) 0 0 0 0
TEMP (24H TREND) 17 (-15) 40 (+7) 33 47
RH % (24H TREND) 75 (+13) 39 (-7) 91 74
WIND 20FT/EARLY(MPH) LGT/VAR LGT/VAR SE 5 SW 8
WIND 20FT/LATE(MPH) LGT/VAR LGT/VAR S 7 W 8 G17
PRECIP AMOUNT 0.00 0.00 0.04 0.03
PRECIP DURATION 6 3
PRECIP BEGIN 7 PM CONTINUING
PRECIP END CONTINUING 6 PM
MIXING HGT(M-AGL/MSL) 470 680
MIXING HGT(FT-AGL/MSL) 1540 2230
TRANSPORT WND (MPH) SW 10 W 14
VENT RATE (KT-FT) 13860 26760
CATEGORY DAY 2 3
INVERSION 6PM 32F/11AM 4PM 37F/4AM
DISPERSION 2 3
MAX ADI EARLY 4 VERY POOR 12 POOR 8 POOR 26 FAIR
MAX ADI LATE 3 VERY POOR 16 GEN POOR 12 POOR 30 FAIR
MAX LVORI EARLY 3 3 2 5
MAX LVORI LATE 3 2 4 4
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
WVZ002-220915-
BROOKE-
INCLUDING THE CITIES OF FOLLANSBEE AND WELLSBURG
1229 PM EST SUN DEC 21 2025
TONIGHT MON MON NIGHT TUE
CLOUD COVER CLEAR PCLDY MCLDY MCLDY
PRECIP TYPE NONE NONE SNOW/RAIN RAIN
CHANCE PRECIP (%) 0 0 80 60
CHANCE OF THUNDER (%) 0 0 0 0
TEMP (24H TREND) 17 (-16) 41 (+6) 33 49
RH % (24H TREND) 74 (+14) 36 (-11) 90 70
WIND 20FT/EARLY(MPH) LGT/VAR LGT/VAR SE 5 SW 9 G18
WIND 20FT/LATE(MPH) LGT/VAR LGT/VAR S 8 G17 SW 9 G18
PRECIP AMOUNT 0.00 0.00 0.03 0.03
PRECIP DURATION 6 7
PRECIP BEGIN 7 PM CONTINUING
PRECIP END CONTINUING 6 PM
MIXING HGT(M-AGL/MSL) 490 640
MIXING HGT(FT-AGL/MSL) 1610 2080
TRANSPORT WND (MPH) SW 9 W 14
VENT RATE (KT-FT) 12880 24960
CATEGORY DAY 1 2
INVERSION 6PM 33F/11AM 4PM 38F/4AM
DISPERSION 1 2
MAX ADI EARLY 4 VERY POOR 11 POOR 11 POOR 26 FAIR
MAX ADI LATE 3 VERY POOR 15 GEN POOR 16 GEN POOR 29 FAIR
MAX LVORI EARLY 3 3 2 5
MAX LVORI LATE 3 2 4 4
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
WVZ003-220915-
OHIO-
INCLUDING THE CITY OF WHEELING
1229 PM EST SUN DEC 21 2025
TONIGHT MON MON NIGHT TUE
CLOUD COVER CLEAR PCLDY MCLDY MCLDY
PRECIP TYPE NONE NONE SNOW/RAIN RAIN
CHANCE PRECIP (%) 0 0 80 60
CHANCE OF THUNDER (%) 0 0 0 0
TEMP (24H TREND) 17 (-17) 42 (+7) 34 49
RH % (24H TREND) 75 (+15) 36 (-9) 91 70
WIND 20FT/EARLY(MPH) LGT/VAR LGT/VAR SE 5 SW 10 G18
WIND 20FT/LATE(MPH) LGT/VAR LGT/VAR S 9 G18 SW 9 G18
PRECIP AMOUNT 0.00 0.00 0.03 0.04
PRECIP DURATION 6 7
PRECIP BEGIN 7 PM CONTINUING
PRECIP END CONTINUING 6 PM
MIXING HGT(M-AGL/MSL) 460 580
MIXING HGT(FT-AGL/MSL) 1510 1900
TRANSPORT WND (MPH) SW 9 SW 16
VENT RATE (KT-FT) 12080 26600
CATEGORY DAY 1 3
INVERSION 6PM 38F/12PM 4PM 39F/4AM
DISPERSION 1 3
MAX ADI EARLY 3 VERY POOR 10 POOR 11 POOR 26 FAIR
MAX ADI LATE 3 VERY POOR 14 GEN POOR 15 GEN POOR 28 FAIR
MAX LVORI EARLY 3 3 2 5
MAX LVORI LATE 3 2 4 4
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
WVZ004-220915-
MARSHALL-
INCLUDING THE CITY OF MOUNDSVILLE
1229 PM EST SUN DEC 21 2025
TONIGHT MON MON NIGHT TUE
CLOUD COVER CLEAR PCLDY MCLDY CLOUDY
PRECIP TYPE NONE NONE SNOW/RAIN RAIN
CHANCE PRECIP (%) 0 0 70 60
CHANCE OF THUNDER (%) 0 0 0 0
TEMP (24H TREND) 18 (-17) 42 (+6) 34 49
RH % (24H TREND) 76 (+13) 37 (-6) 93 70
WIND 20FT/EARLY(MPH) LGT/VAR LGT/VAR SE 5 SW 9 G19
WIND 20FT/LATE(MPH) LGT/VAR LGT/VAR S 8 G19 SW 9 G18
PRECIP AMOUNT 0.00 0.00 0.04 0.03
PRECIP DURATION 4 6
PRECIP BEGIN 7 PM CONTINUING
PRECIP END CONTINUING 6 PM
MIXING HGT(M-AGL/MSL) 470 640
MIXING HGT(FT-AGL/MSL) 1540 2090
TRANSPORT WND (MPH) S 8 W 12
VENT RATE (KT-FT) 10780 20900
CATEGORY DAY 1 2
INVERSION 6PM 35F/11AM 4PM 39F/4AM
DISPERSION 1 2
MAX ADI EARLY 3 VERY POOR 10 POOR 10 POOR 25 FAIR
MAX ADI LATE 3 VERY POOR 13 GEN POOR 13 GEN POOR 25 FAIR
MAX LVORI EARLY 3 3 2 5
MAX LVORI LATE 3 2 4 5
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
WVZ012-220915-
WETZEL-
INCLUDING THE CITY OF NEW MARTINSVILLE
1229 PM EST SUN DEC 21 2025
TONIGHT MON MON NIGHT TUE
CLOUD COVER CLEAR PCLDY MCLDY MCLDY
PRECIP TYPE NONE NONE RAIN RAIN
CHANCE PRECIP (%) 0 0 70 60
CHANCE OF THUNDER (%) 0 0 0 0
TEMP (24H TREND) 18 (-18) 42 (+5) 34 49
RH % (24H TREND) 77 (+15) 37 (-2) 94 70
WIND 20FT/EARLY(MPH) LGT/VAR LGT/VAR LGT/VAR SW 8 G18
WIND 20FT/LATE(MPH) LGT/VAR LGT/VAR S 7 G18 SW 8 G18
PRECIP AMOUNT 0.00 0.00 0.04 0.04
PRECIP DURATION 5 6
PRECIP BEGIN 7 PM CONTINUING
PRECIP END CONTINUING 6 PM
MIXING HGT(M-AGL/MSL) 450 670
MIXING HGT(FT-AGL/MSL) 1490 2190
TRANSPORT WND (MPH) S 7 SW 13
VENT RATE (KT-FT) 8940 24090
CATEGORY DAY 1 3
INVERSION 6PM 39F/12PM 4PM 39F/4AM
DISPERSION 1 3
MAX ADI EARLY 3 VERY POOR 8 POOR 8 POOR 25 FAIR
MAX ADI LATE 3 VERY POOR 11 POOR 13 GEN POOR 26 FAIR
MAX LVORI EARLY 3 4 2 5
MAX LVORI LATE 4 2 4 4
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
WVZ021-220915-
MARION-
INCLUDING THE CITY OF FAIRMONT
1229 PM EST SUN DEC 21 2025
TONIGHT MON MON NIGHT TUE
CLOUD COVER CLEAR PCLDY MCLDY MCLDY
PRECIP TYPE NONE NONE SNOW/RAIN RAIN
CHANCE PRECIP (%) 0 0 70 70
CHANCE OF THUNDER (%) 0 0 0 0
TEMP (24H TREND) 18 (-19) 43 (+5) 33 49
RH % (24H TREND) 80 (+18) 33 (-4) 94 71
WIND 20FT/EARLY(MPH) LGT/VAR LGT/VAR LGT/VAR SW 9 G17
WIND 20FT/LATE(MPH) LGT/VAR LGT/VAR S 7 G17 SW 8 G17
PRECIP AMOUNT 0.00 0.00 0.05 0.04
PRECIP DURATION 5 6
PRECIP BEGIN 7 PM CONTINUING
PRECIP END CONTINUING 6 PM
MIXING HGT(M-AGL/MSL) 550 640
MIXING HGT(FT-AGL/MSL) 1820 2100
TRANSPORT WND (MPH) S 6 SW 14
VENT RATE (KT-FT) 9100 25200
CATEGORY DAY 1 2
INVERSION 6PM 36F/11AM 4PM 38F/4AM
DISPERSION 1 2
MAX ADI EARLY 3 VERY POOR 9 POOR 7 POOR 27 FAIR
MAX ADI LATE 3 VERY POOR 12 POOR 14 GEN POOR 28 FAIR
MAX LVORI EARLY 3 4 2 5
MAX LVORI LATE 4 2 4 5
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
WVZ509-220915-
MONONGALIA-
INCLUDING THE CITY OF MORGANTOWN
1229 PM EST SUN DEC 21 2025
TONIGHT MON MON NIGHT TUE
CLOUD COVER CLEAR PCLDY MCLDY MCLDY
PRECIP TYPE NONE NONE SNOW/RAIN RAIN
CHANCE PRECIP (%) 0 0 70 70
CHANCE OF THUNDER (%) 0 0 0 0
TEMP (24H TREND) 18 (-19) 43 (+4) 33 49
RH % (24H TREND) 79 (+22) 33 (-3) 93 69
WIND 20FT/EARLY(MPH) LGT/VAR LGT/VAR LGT/VAR SW 9 G18
WIND 20FT/LATE(MPH) LGT/VAR LGT/VAR S 7 G18 SW 8 G17
PRECIP AMOUNT 0.00 0.00 0.05 0.04
PRECIP DURATION 4 6
PRECIP BEGIN 7 PM CONTINUING
PRECIP END CONTINUING 6 PM
MIXING HGT(M-AGL/MSL) 630 680
MIXING HGT(FT-AGL/MSL) 2080 2230
TRANSPORT WND (MPH) S 7 SW 13
VENT RATE (KT-FT) 12480 24530
CATEGORY DAY 1 3
INVERSION 6PM 36F/11AM 4PM 39F/4AM
DISPERSION 1 3
MAX ADI EARLY 4 VERY POOR 12 POOR 7 POOR 30 FAIR
MAX ADI LATE 3 VERY POOR 15 GEN POOR 15 GEN POOR 30 FAIR
MAX LVORI EARLY 3 4 2 4
MAX LVORI LATE 4 2 4 5
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
WVZ510-220915-
RIDGES OF EASTERN MONONGALIA AND NORTHWESTERN PRESTON-
INCLUDING THE CITY OF COOPERS ROCK
1229 PM EST SUN DEC 21 2025
TONIGHT MON MON NIGHT TUE
CLOUD COVER CLEAR PCLDY MCLDY MCLDY
PRECIP TYPE NONE NONE SNOW/RAIN RAIN
CHANCE PRECIP (%) 0 0 70 70
CHANCE OF THUNDER (%) 0 0 0 0
TEMP (24H TREND) 17 (-18) 43 (+6) 33 46
RH % (24H TREND) 79 (+21) 32 (-5) 95 68
WIND 20FT/EARLY(MPH) LGT/VAR LGT/VAR LGT/VAR SW 9 G19
WIND 20FT/LATE(MPH) LGT/VAR LGT/VAR S 7 G18 SW 8 G18
PRECIP AMOUNT 0.00 0.00 0.09 0.08
PRECIP DURATION 4 6
PRECIP BEGIN 7 PM CONTINUING
PRECIP END CONTINUING 6 PM
MIXING HGT(M-AGL/MSL) 550 610
MIXING HGT(FT-AGL/MSL) 1790 2010
TRANSPORT WND (MPH) SW 6 SW 15
VENT RATE (KT-FT) 8950 26130
CATEGORY DAY 1 3
INVERSION 6PM 38F/12PM 4PM 39F/6AM
DISPERSION 1 3
MAX ADI EARLY 4 VERY POOR 9 POOR 7 POOR 28 FAIR
MAX ADI LATE 3 VERY POOR 12 POOR 19 GEN POOR 30 FAIR
MAX LVORI EARLY 3 4 2 4
MAX LVORI LATE 4 2 4 4
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
WVZ511-220915-
PRESTON-
INCLUDING THE CITIES OF KINGWOOD AND BRUCETON MILLS
1229 PM EST SUN DEC 21 2025
TONIGHT MON MON NIGHT TUE
CLOUD COVER CLEAR PCLDY MCLDY MCLDY
PRECIP TYPE NONE NONE SNOW/RAIN RAIN
CHANCE PRECIP (%) 0 0 70 70
CHANCE OF THUNDER (%) 0 0 0 0
TEMP (24H TREND) 18 (-17) 43 (+6) 33 49
RH % (24H TREND) 81 (+20) 29 (-13) 96 72
WIND 20FT/EARLY(MPH) LGT/VAR LGT/VAR LGT/VAR SW 8 G19
WIND 20FT/LATE(MPH) LGT/VAR LGT/VAR S 5 G17 W 8 G18
PRECIP AMOUNT 0.00 0.00 0.08 0.06
PRECIP DURATION 4 6
PRECIP BEGIN 7 PM CONTINUING
PRECIP END CONTINUING 6 PM
MIXING HGT(M-AGL/MSL) 690 790
MIXING HGT(FT-AGL/MSL) 2260 2590
TRANSPORT WND (MPH) SW 6 W 16
VENT RATE (KT-FT) 11300 36260
CATEGORY DAY 2 3
INVERSION 7PM 32F/10AM 4PM 38F/4AM
DISPERSION 2 3
MAX ADI EARLY 5 VERY POOR 12 POOR 5 VERY POOR 38 FAIR
MAX ADI LATE 3 VERY POOR 15 GEN POOR 20 GEN POOR 42 GEN GOOD
MAX LVORI EARLY 3 4 2 4
MAX LVORI LATE 4 2 4 4
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
WVZ512-220915-
EASTERN PRESTON-
INCLUDING THE CITIES OF TERRA ALTA, ROWLESBURG, AND HAZELTON
1229 PM EST SUN DEC 21 2025
TONIGHT MON MON NIGHT TUE
CLOUD COVER CLEAR PCLDY MCLDY MCLDY
PRECIP TYPE NONE NONE SNOW/RAIN RAIN
CHANCE PRECIP (%) 0 0 70 70
CHANCE OF THUNDER (%) 0 0 0 0
TEMP (24H TREND) 17 (-16) 43 (+8) 32 47
RH % (24H TREND) 80 (+19) 30 (-11) 96 72
WIND 20FT/EARLY(MPH) LGT/VAR LGT/VAR LGT/VAR SW 11 G23
WIND 20FT/LATE(MPH) LGT/VAR LGT/VAR SW 7 G21 W 11 G23
PRECIP AMOUNT 0.00 0.00 0.09 0.07
PRECIP DURATION 4 6
PRECIP BEGIN 7 PM CONTINUING
PRECIP END CONTINUING 6 PM
MIXING HGT(M-AGL/MSL) 660 820
MIXING HGT(FT-AGL/MSL) 2160 2700
TRANSPORT WND (MPH) SW 7 W 22
VENT RATE (KT-FT) 12960 51300
CATEGORY DAY 1 4
INVERSION 7PM 35F/11AM 4PM 38F/4AM
DISPERSION 1 4
MAX ADI EARLY 7 POOR 11 POOR 8 POOR 44 GEN GOOD
MAX ADI LATE 4 VERY POOR 15 GEN POOR 21 FAIR 50 GEN GOOD
MAX LVORI EARLY 3 4 2 4
MAX LVORI LATE 4 2 4 4
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
WVZ513-220915-
WESTERN TUCKER-
INCLUDING THE CITIES OF PARSONS, HENDRICKS, AND SAINT GEORGE
1229 PM EST SUN DEC 21 2025
TONIGHT MON MON NIGHT TUE
CLOUD COVER CLEAR PCLDY MCLDY MCLDY
PRECIP TYPE NONE NONE RAIN RAIN
CHANCE PRECIP (%) 0 0 60 70
CHANCE OF THUNDER (%) 0 0 0 0
TEMP (24H TREND) 18 (-17) 45 (+8) 33 49
RH % (24H TREND) 79 (+26) 26 (-10) 94 71
WIND 20FT/EARLY(MPH) LGT/VAR LGT/VAR LGT/VAR W 10 G22
WIND 20FT/LATE(MPH) LGT/VAR LGT/VAR SW 6 G21 W 10 G22
PRECIP AMOUNT 0.00 0.00 0.11 0.07
PRECIP DURATION 5 6
PRECIP BEGIN 7 PM CONTINUING
PRECIP END CONTINUING 6 PM
MIXING HGT(M-AGL/MSL) 780 890
MIXING HGT(FT-AGL/MSL) 2570 2920
TRANSPORT WND (MPH) SW 6 W 20
VENT RATE (KT-FT) 12850 49640
CATEGORY DAY 2 4
INVERSION 6PM 32F/10AM 4PM 39F/4AM
DISPERSION 2 4
MAX ADI EARLY 5 VERY POOR 12 POOR 7 POOR 45 GEN GOOD
MAX ADI LATE 3 VERY POOR 16 GEN POOR 18 GEN POOR 49 GEN GOOD
MAX LVORI EARLY 3 3 2 4
MAX LVORI LATE 4 2 4 4
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
WVZ514-220915-
EASTERN TUCKER-
INCLUDING THE CITIES OF DAVIS, THOMAS, AND CANAAN VALLEY
1229 PM EST SUN DEC 21 2025
TONIGHT MON MON NIGHT TUE
CLOUD COVER MCLEAR PCLDY MCLDY MCLDY
PRECIP TYPE NONE NONE RAIN RAIN
CHANCE PRECIP (%) 0 0 50 60
CHANCE OF THUNDER (%) 0 0 0 0
TEMP (24H TREND) 15 (-17) 42 (+8) 29 46
RH % (24H TREND) 76 (+19) 30 (-6) 98 71
WIND 20FT/EARLY(MPH) W 6 G23 LGT/VAR LGT/VAR W 12 G34
WIND 20FT/LATE(MPH) LGT/VAR LGT/VAR SW 8 G28 W 13 G35
PRECIP AMOUNT 0.00 0.00 0.11 0.09
PRECIP DURATION 2 6
PRECIP BEGIN 9 PM CONTINUING
PRECIP END CONTINUING 6 PM
MIXING HGT(M-AGL/MSL) 740 880
MIXING HGT(FT-AGL/MSL) 2440 2880
TRANSPORT WND (MPH) SW 7 W 29
VENT RATE (KT-FT) 14640 72000
CATEGORY DAY 2 4
INVERSION 6PM 34F/11AM 4PM 38F/6AM
DISPERSION 2 4
MAX ADI EARLY 12 POOR 11 POOR 11 POOR 63 GOOD
MAX ADI LATE 7 POOR 16 GEN POOR 21 FAIR 70 GOOD
MAX LVORI EARLY 3 3 2 4
MAX LVORI LATE 3 2 4 4
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
FORECAST FOR DAYS 3 THROUGH 7
WEDNESDAY
MOSTLY CLOUDY. LOWS IN THE LOWER 30S. HIGHS IN THE
MID 40S. NORTH WINDS AROUND 5 MPH.
THURSDAY
CLOUDY WITH RAIN LIKELY. WARMER. LOWS IN THE UPPER
30S. HIGHS IN THE MID 50S. SOUTHWEST WINDS 5 TO 10 MPH.
FRIDAY
RAIN. LOWS IN THE UPPER 40S. HIGHS IN THE UPPER 50S.
WEST WINDS 10 TO 15 MPH.
SATURDAY
MOSTLY CLOUDY WITH A CHANCE OF RAIN. LOWS IN THE
UPPER 30S. HIGHS AROUND 50. SOUTHWEST WINDS 10 TO 15 MPH.
SUNDAY
MOSTLY CLOUDY WITH A CHANCE OF RAIN. LOWS IN THE LOWER
30S. HIGHS IN THE LOWER 40S. WEST WINDS 10 TO 15 MPH.
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