419
FNUS51 KPBZ 181634
FWFPBZ
FIRE WEATHER PLANNING FORECAST
NATIONAL WEATHER SERVICE PITTSBURGH PA
1234 PM EDT MON MAY 18 2026
DISCUSSION
SOME MINIM RH DROPS INTO THE 35% TO 45% RANGE ARE FAVORED TODAY,
TOMORROW, AND THURSDAY, BUT OTHERWISE, HUMIDITY GENERALLY REMAINS
ABOVE 50%. 20FT WINDS MAY REACH AS HIGH AS 10MPH THIS AFTERNOON
AND 15MPH TUESDAY AFTERNOON, WITH OCCASIONAL GUSTS OF 20MPH TO
30MPH. LOWER WINDS ARE EXPECTED THEREAFTER. FIRE CONCERNS REMAIN
LOW.
OHZ039-190815-
TUSCARAWAS-
INCLUDING THE CITIES OF NEW PHILADELPHIA AND DOVER
1234 PM EDT MON MAY 18 2026
TONIGHT TUE TUE NIGHT WED
CLOUD COVER PCLDY PCLDY MCLDY MCLDY
PRECIP TYPE NONE TSTMS TSTMS TSTMS
CHANCE PRECIP (%) 0 20 80 70
CHANCE OF THUNDER (%) 0 20 30 20
TEMP (24H TREND) 68 (+4) 89 (+1) 61 71
RH % (24H TREND) 71 (-17) 38 (0) 91 54
WIND 20FT/EARLY(MPH) SW 6 G18 SW 9 G21 SW 9 G20 NW 7
WIND 20FT/LATE(MPH) LGT/VAR SW 13 G23 SW 6 N 9
PRECIP AMOUNT 0.00 0.01 0.10 0.08
PRECIP DURATION 1 9 7
PRECIP BEGIN 11 AM 7 PM CONTINUING
PRECIP END 5 PM CONTINUING 6 PM
MIXING HGT(M-AGL/MSL) 1660 960
MIXING HGT(FT-AGL/MSL) 5450 3160
TRANSPORT WND (MPH) SW 25 N 15
VENT RATE (KT-FT) 119900 41080
CATEGORY DAY 5 3
INVERSION 8PM 75F/9AM 8PM 67F/8AM
DISPERSION 5 3
MAX ADI EARLY 16 GEN POOR 81 GOOD 30 FAIR 31 FAIR
MAX ADI LATE 6 VERY POOR 104 VERY GOOD12 POOR 48 GEN GOOD
MAX LVORI EARLY 3 3 3 5
MAX LVORI LATE 3 1 4 3
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
OHZ040-190815-
CARROLL-
INCLUDING THE CITIES OF CARROLLTON AND MALVERN
1234 PM EDT MON MAY 18 2026
TONIGHT TUE TUE NIGHT WED
CLOUD COVER PCLDY PCLDY MCLDY MCLDY
PRECIP TYPE NONE TSTMS TSTMS TSTMS
CHANCE PRECIP (%) 0 20 80 70
CHANCE OF THUNDER (%) 0 20 30 20
TEMP (24H TREND) 67 (+3) 88 (0) 61 70
RH % (24H TREND) 72 (-17) 39 (+1) 91 53
WIND 20FT/EARLY(MPH) SW 6 G18 SW 9 G21 SW 9 G20 NW 8
WIND 20FT/LATE(MPH) SW 6 SW 13 G23 SW 8 G17 N 9
PRECIP AMOUNT 0.00 0.00 0.09 0.08
PRECIP DURATION 1 9 7
PRECIP BEGIN 11 AM 7 PM CONTINUING
PRECIP END 6 PM CONTINUING 6 PM
MIXING HGT(M-AGL/MSL) 1600 910
MIXING HGT(FT-AGL/MSL) 5260 2990
TRANSPORT WND (MPH) SW 24 N 15
VENT RATE (KT-FT) 110460 38870
CATEGORY DAY 5 3
INVERSION 8PM 74F/9AM 8PM 67F/8AM
DISPERSION 5 3
MAX ADI EARLY 15 GEN POOR 64 GOOD 28 FAIR 27 FAIR
MAX ADI LATE 7 POOR 102 VERY GOOD13 GEN POOR 46 GEN GOOD
MAX LVORI EARLY 3 3 2 4
MAX LVORI LATE 3 1 4 3
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
OHZ041-190815-
COLUMBIANA-
INCLUDING THE CITIES OF EAST LIVERPOOL, SALEM, AND COLUMBIANA
1234 PM EDT MON MAY 18 2026
TONIGHT TUE TUE NIGHT WED
CLOUD COVER PCLDY PCLDY MCLDY MCLDY
PRECIP TYPE NONE TSTMS TSTMS TSTMS
CHANCE PRECIP (%) 0 20 80 70
CHANCE OF THUNDER (%) 0 20 30 20
TEMP (24H TREND) 67 (+4) 88 (0) 59 71
RH % (24H TREND) 73 (-22) 40 (+1) 92 53
WIND 20FT/EARLY(MPH) SW 6 G17 SW 9 G21 SW 9 G20 NW 8
WIND 20FT/LATE(MPH) SW 5 SW 13 G23 SW 7 G17 N 9
PRECIP AMOUNT 0.00 0.00 0.09 0.06
PRECIP DURATION 0 9 7
PRECIP BEGIN 12 PM 7 PM CONTINUING
PRECIP END 6 PM CONTINUING 6 PM
MIXING HGT(M-AGL/MSL) 1510 830
MIXING HGT(FT-AGL/MSL) 4970 2710
TRANSPORT WND (MPH) SW 25 N 16
VENT RATE (KT-FT) 109340 37940
CATEGORY DAY 5 3
INVERSION 8PM 75F/9AM 8PM 66F/8AM
DISPERSION 5 3
MAX ADI EARLY 15 GEN POOR 56 GEN GOOD 27 FAIR 30 FAIR
MAX ADI LATE 7 POOR 98 GOOD 13 GEN POOR 46 GEN GOOD
MAX LVORI EARLY 3 3 3 5
MAX LVORI LATE 3 1 4 3
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
OHZ048-190815-
COSHOCTON-
INCLUDING THE CITY OF COSHOCTON
1234 PM EDT MON MAY 18 2026
TONIGHT TUE TUE NIGHT WED
CLOUD COVER PCLDY PCLDY MCLDY MCLDY
PRECIP TYPE NONE TSTMS TSTMS TSTMS
CHANCE PRECIP (%) 0 20 80 80
CHANCE OF THUNDER (%) 0 20 40 20
TEMP (24H TREND) 68 (+4) 87 (-2) 61 71
RH % (24H TREND) 72 (-12) 39 (+3) 93 54
WIND 20FT/EARLY(MPH) SW 5 G18 SW 8 G20 SW 8 G20 NW 6
WIND 20FT/LATE(MPH) LGT/VAR SW 12 G21 SW 5 N 8
PRECIP AMOUNT 0.00 0.00 0.06 0.06
PRECIP DURATION 1 9 8
PRECIP BEGIN 8 AM 7 PM CONTINUING
PRECIP END 5 PM CONTINUING 6 PM
MIXING HGT(M-AGL/MSL) 1690 1010
MIXING HGT(FT-AGL/MSL) 5540 3300
TRANSPORT WND (MPH) SW 25 N 15
VENT RATE (KT-FT) 121880 42900
CATEGORY DAY 5 3
INVERSION 8PM 75F/9AM 8PM 66F/8AM
DISPERSION 5 3
MAX ADI EARLY 16 GEN POOR 87 GOOD 30 FAIR 32 FAIR
MAX ADI LATE 6 VERY POOR 106 VERY GOOD10 POOR 50 GEN GOOD
MAX LVORI EARLY 3 3 3 5
MAX LVORI LATE 3 1 4 3
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
OHZ049-190815-
HARRISON-
INCLUDING THE CITY OF CADIZ
1234 PM EDT MON MAY 18 2026
TONIGHT TUE TUE NIGHT WED
CLOUD COVER PCLDY PCLDY PCLDY MCLDY
PRECIP TYPE NONE NONE TSTMS TSTMS
CHANCE PRECIP (%) 0 0 70 80
CHANCE OF THUNDER (%) 0 0 30 20
TEMP (24H TREND) 67 (+4) 89 (0) 63 73
RH % (24H TREND) 74 (-23) 37 (+1) 92 54
WIND 20FT/EARLY(MPH) SW 6 G18 SW 9 G21 SW 9 G21 W 7
WIND 20FT/LATE(MPH) S 5 SW 12 G23 SW 7 G17 N 9
PRECIP AMOUNT 0.00 0.00 0.04 0.12
PRECIP DURATION 7 8
PRECIP BEGIN 8 PM CONTINUING
PRECIP END CONTINUING 6 PM
MIXING HGT(M-AGL/MSL) 1830 840
MIXING HGT(FT-AGL/MSL) 6000 2760
TRANSPORT WND (MPH) SW 25 N 15
VENT RATE (KT-FT) 132000 35880
CATEGORY DAY 5 3
INVERSION 8PM 74F/9AM 8PM 68F/8AM
DISPERSION 5 3
MAX ADI EARLY 15 GEN POOR 66 GOOD 27 FAIR 30 FAIR
MAX ADI LATE 7 POOR 114 VERY GOOD12 POOR 43 GEN GOOD
MAX LVORI EARLY 3 3 2 5
MAX LVORI LATE 3 1 4 3
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
OHZ050-190815-
JEFFERSON OH-
INCLUDING THE CITY OF STEUBENVILLE
1234 PM EDT MON MAY 18 2026
TONIGHT TUE TUE NIGHT WED
CLOUD COVER PCLDY PCLDY PCLDY MCLDY
PRECIP TYPE NONE NONE TSTMS TSTMS
CHANCE PRECIP (%) 0 0 70 80
CHANCE OF THUNDER (%) 0 0 30 20
TEMP (24H TREND) 67 (+4) 89 (0) 62 74
RH % (24H TREND) 74 (-23) 36 (0) 91 53
WIND 20FT/EARLY(MPH) SW 7 G18 SW 9 G20 SW 9 G20 W 7
WIND 20FT/LATE(MPH) S 5 SW 12 G23 SW 7 N 9
PRECIP AMOUNT 0.00 0.00 0.05 0.11
PRECIP DURATION 7 8
PRECIP BEGIN 8 PM CONTINUING
PRECIP END CONTINUING 6 PM
MIXING HGT(M-AGL/MSL) 1880 810
MIXING HGT(FT-AGL/MSL) 6160 2650
TRANSPORT WND (MPH) SW 25 N 14
VENT RATE (KT-FT) 135520 31800
CATEGORY DAY 5 3
INVERSION 8PM 74F/9AM 8PM 69F/8AM
DISPERSION 5 3
MAX ADI EARLY 15 GEN POOR 56 GEN GOOD 27 FAIR 32 FAIR
MAX ADI LATE 7 POOR 113 VERY GOOD12 POOR 41 GEN GOOD
MAX LVORI EARLY 3 3 2 4
MAX LVORI LATE 3 1 4 3
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
OHZ057-190815-
MUSKINGUM-
INCLUDING THE CITY OF ZANESVILLE
1234 PM EDT MON MAY 18 2026
TONIGHT TUE TUE NIGHT WED
CLOUD COVER PCLDY PCLDY PCLDY MCLDY
PRECIP TYPE NONE NONE TSTMS TSTMS
CHANCE PRECIP (%) 0 0 70 90
CHANCE OF THUNDER (%) 0 0 30 20
TEMP (24H TREND) 67 (+3) 89 (-1) 63 74
RH % (24H TREND) 74 (-10) 38 (+4) 95 54
WIND 20FT/EARLY(MPH) LGT/VAR SW 7 G20 SW 7 G20 W 5
WIND 20FT/LATE(MPH) LGT/VAR SW 11 G21 LGT/VAR N 7
PRECIP AMOUNT 0.00 0.00 0.05 0.10
PRECIP DURATION 7 8
PRECIP BEGIN 7 PM CONTINUING
PRECIP END CONTINUING 6 PM
MIXING HGT(M-AGL/MSL) 1830 970
MIXING HGT(FT-AGL/MSL) 6010 3180
TRANSPORT WND (MPH) SW 25 N 15
VENT RATE (KT-FT) 132220 41340
CATEGORY DAY 5 3
INVERSION 8PM 75F/9AM 8PM 69F/8AM
DISPERSION 5 3
MAX ADI EARLY 15 GEN POOR 97 GOOD 27 FAIR 33 FAIR
MAX ADI LATE 7 POOR 112 VERY GOOD9 POOR 48 GEN GOOD
MAX LVORI EARLY 3 3 3 6
MAX LVORI LATE 3 1 5 3
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
OHZ058-190815-
GUERNSEY-
INCLUDING THE CITY OF CAMBRIDGE
1234 PM EDT MON MAY 18 2026
TONIGHT TUE TUE NIGHT WED
CLOUD COVER PCLDY PCLDY PCLDY MCLDY
PRECIP TYPE NONE NONE TSTMS TSTMS
CHANCE PRECIP (%) 0 0 60 90
CHANCE OF THUNDER (%) 0 0 30 30
TEMP (24H TREND) 67 (+4) 90 (-1) 63 75
RH % (24H TREND) 74 (-16) 38 (+3) 93 55
WIND 20FT/EARLY(MPH) SW 5 G17 SW 7 G20 SW 7 G19 W 5
WIND 20FT/LATE(MPH) LGT/VAR SW 11 G21 LGT/VAR N 7
PRECIP AMOUNT 0.00 0.00 0.04 0.13
PRECIP DURATION 7 8
PRECIP BEGIN 7 PM CONTINUING
PRECIP END CONTINUING 6 PM
MIXING HGT(M-AGL/MSL) 1850 860
MIXING HGT(FT-AGL/MSL) 6070 2820
TRANSPORT WND (MPH) SW 25 N 14
VENT RATE (KT-FT) 133540 33840
CATEGORY DAY 5 3
INVERSION 8PM 74F/9AM 8PM 69F/8AM
DISPERSION 5 3
MAX ADI EARLY 15 GEN POOR 88 GOOD 15 GEN POOR 32 FAIR
MAX ADI LATE 6 VERY POOR 113 VERY GOOD8 POOR 42 GEN GOOD
MAX LVORI EARLY 3 3 3 5
MAX LVORI LATE 3 1 4 3
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
OHZ059-190815-
BELMONT-
INCLUDING THE CITIES OF MARTINS FERRY AND ST. CLAIRSVILLE
1234 PM EDT MON MAY 18 2026
TONIGHT TUE TUE NIGHT WED
CLOUD COVER PCLDY PCLDY PCLDY MCLDY
PRECIP TYPE NONE NONE TSTMS TSTMS
CHANCE PRECIP (%) 0 0 70 90
CHANCE OF THUNDER (%) 0 0 30 30
TEMP (24H TREND) 66 (+3) 89 (-1) 63 76
RH % (24H TREND) 78 (-17) 37 (0) 92 61
WIND 20FT/EARLY(MPH) SW 6 G18 SW 8 G21 SW 8 G20 W 7
WIND 20FT/LATE(MPH) S 5 SW 12 G23 SW 6 N 8
PRECIP AMOUNT 0.00 0.00 0.03 0.15
PRECIP DURATION 4 9
PRECIP BEGIN 8 PM CONTINUING
PRECIP END CONTINUING 6 PM
MIXING HGT(M-AGL/MSL) 1940 770
MIXING HGT(FT-AGL/MSL) 6370 2530
TRANSPORT WND (MPH) SW 25 N 14
VENT RATE (KT-FT) 140140 30360
CATEGORY DAY 5 3
INVERSION 8PM 74F/9AM 8PM 69F/8AM
DISPERSION 5 3
MAX ADI EARLY 15 GEN POOR 75 GOOD 26 FAIR 31 FAIR
MAX ADI LATE 7 POOR 119 VERY GOOD12 POOR 39 FAIR
MAX LVORI EARLY 3 4 2 5
MAX LVORI LATE 4 1 4 3
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
OHZ068-190815-
NOBLE-
INCLUDING THE CITY OF CALDWELL
1234 PM EDT MON MAY 18 2026
TONIGHT TUE TUE NIGHT WED
CLOUD COVER PCLDY PCLDY PCLDY MCLDY
PRECIP TYPE NONE NONE TSTMS TSTMS
CHANCE PRECIP (%) 0 0 70 90
CHANCE OF THUNDER (%) 0 0 30 30
TEMP (24H TREND) 66 (+5) 90 (-1) 63 76
RH % (24H TREND) 79 (-15) 37 (+2) 94 59
WIND 20FT/EARLY(MPH) LGT/VAR SW 7 G20 SW 6 G19 W 5
WIND 20FT/LATE(MPH) LGT/VAR SW 10 G21 LGT/VAR N 7
PRECIP AMOUNT 0.00 0.00 0.04 0.17
PRECIP DURATION 6 11
PRECIP BEGIN 8 PM CONTINUING
PRECIP END CONTINUING CONTINUING
MIXING HGT(M-AGL/MSL) 1920 800
MIXING HGT(FT-AGL/MSL) 6300 2610
TRANSPORT WND (MPH) SW 24 N 15
VENT RATE (KT-FT) 132300 33930
CATEGORY DAY 5 3
INVERSION 8PM 73F/9AM 8PM 69F/8AM
DISPERSION 5 3
MAX ADI EARLY 14 GEN POOR 88 GOOD 24 FAIR 32 FAIR
MAX ADI LATE 6 VERY POOR 111 VERY GOOD8 POOR 42 GEN GOOD
MAX LVORI EARLY 3 4 3 5
MAX LVORI LATE 4 1 5 3
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
OHZ069-190815-
MONROE-
INCLUDING THE CITY OF WOODSFIELD
1234 PM EDT MON MAY 18 2026
TONIGHT TUE TUE NIGHT WED
CLOUD COVER PCLDY PCLDY PCLDY MCLDY
PRECIP TYPE NONE NONE TSTMS TSTMS
CHANCE PRECIP (%) 0 0 70 100
CHANCE OF THUNDER (%) 0 0 30 30
TEMP (24H TREND) 67 (+4) 90 (0) 64 78
RH % (24H TREND) 78 (-17) 36 (0) 89 64
WIND 20FT/EARLY(MPH) LGT/VAR SW 6 G20 SW 6 G19 W 5
WIND 20FT/LATE(MPH) LGT/VAR SW 10 G21 LGT/VAR NW 7
PRECIP AMOUNT 0.00 0.00 0.02 0.17
PRECIP DURATION 4 10
PRECIP BEGIN 8 PM CONTINUING
PRECIP END CONTINUING CONTINUING
MIXING HGT(M-AGL/MSL) 2040 870
MIXING HGT(FT-AGL/MSL) 6680 2860
TRANSPORT WND (MPH) SW 24 W 12
VENT RATE (KT-FT) 140280 28600
CATEGORY DAY 5 3
INVERSION 8PM 74F/9AM 8PM 70F/8AM
DISPERSION 5 3
MAX ADI EARLY 14 GEN POOR 90 GOOD 28 FAIR 35 FAIR
MAX ADI LATE 6 VERY POOR 144 VERY GOOD8 POOR 38 FAIR
MAX LVORI EARLY 3 4 3 4
MAX LVORI LATE 4 1 4 3
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
PAZ007-190815-
MERCER-
INCLUDING THE CITIES OF SHARON, HERMITAGE, AND GROVE CITY
1234 PM EDT MON MAY 18 2026
TONIGHT TUE TUE NIGHT WED
CLOUD COVER PCLDY PCLDY MCLDY MCLDY
PRECIP TYPE TSTMS TSTMS TSTMS SHOWERS
CHANCE PRECIP (%) 20 20 90 50
CHANCE OF THUNDER (%) 20 20 30 0
TEMP (24H TREND) 66 (+2) 88 (+1) 56 67
RH % (24H TREND) 78 (-11) 43 (+1) 94 58
WIND 20FT/EARLY(MPH) SW 7 G17 SW 8 G20 SW 9 G20 NW 8
WIND 20FT/LATE(MPH) S 5 SW 13 G23 SW 6 NW 9
PRECIP AMOUNT 0.00 0.04 0.28 0.06
PRECIP DURATION 1 1 9 3
PRECIP BEGIN 6 PM 10 AM CONTINUING CONTINUING
PRECIP END 11 PM CONTINUING CONTINUING 2 PM
MIXING HGT(M-AGL/MSL) 1290 820
MIXING HGT(FT-AGL/MSL) 4250 2710
TRANSPORT WND (MPH) SW 24 NW 17
VENT RATE (KT-FT) 89250 40650
CATEGORY DAY 4 3
INVERSION 8PM 75F/9AM 8PM 63F/7AM
DISPERSION 4 3
MAX ADI EARLY 12 POOR 54 GEN GOOD 26 FAIR 33 FAIR
MAX ADI LATE 7 POOR 88 GOOD 13 GEN POOR 42 GEN GOOD
MAX LVORI EARLY 3 3 3 5
MAX LVORI LATE 4 1 4 3
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
PAZ008-190815-
VENANGO-
INCLUDING THE CITIES OF OIL CITY AND FRANKLIN
1234 PM EDT MON MAY 18 2026
TONIGHT TUE TUE NIGHT WED
CLOUD COVER PCLDY PCLDY MCLDY MCLDY
PRECIP TYPE TSTMS TSTMS TSTMS SHOWERS
CHANCE PRECIP (%) 20 20 90 50
CHANCE OF THUNDER (%) 20 20 30 0
TEMP (24H TREND) 65 (+3) 86 (-2) 57 69
RH % (24H TREND) 78 (-11) 43 (+3) 93 56
WIND 20FT/EARLY(MPH) SW 5 SW 7 G18 SW 7 G18 NW 6
WIND 20FT/LATE(MPH) LGT/VAR SW 10 G21 SW 5 NW 7
PRECIP AMOUNT 0.00 0.02 0.21 0.06
PRECIP DURATION 1 1 9 3
PRECIP BEGIN 6 PM 8 AM 7 PM CONTINUING
PRECIP END 11 PM 4 PM CONTINUING 2 PM
MIXING HGT(M-AGL/MSL) 1330 840
MIXING HGT(FT-AGL/MSL) 4360 2740
TRANSPORT WND (MPH) SW 23 NW 16
VENT RATE (KT-FT) 87200 38360
CATEGORY DAY 4 3
INVERSION 8PM 74F/9AM 8PM 65F/7AM
DISPERSION 4 3
MAX ADI EARLY 13 GEN POOR 51 GEN GOOD 13 GEN POOR 32 FAIR
MAX ADI LATE 6 VERY POOR 84 GOOD 9 POOR 48 GEN GOOD
MAX LVORI EARLY 3 4 3 5
MAX LVORI LATE 4 1 4 3
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
PAZ009-190815-
FOREST-
INCLUDING THE CITY OF TIONESTA
1234 PM EDT MON MAY 18 2026
TONIGHT TUE TUE NIGHT WED
CLOUD COVER PCLDY PCLDY MCLDY MCLDY
PRECIP TYPE NONE TSTMS TSTMS SHOWERS
CHANCE PRECIP (%) 0 20 80 60
CHANCE OF THUNDER (%) 0 20 30 0
TEMP (24H TREND) 64 (+3) 85 (-2) 59 70
RH % (24H TREND) 79 (-14) 41 (+3) 89 50
WIND 20FT/EARLY(MPH) LGT/VAR SW 5 G18 SW 6 G19 NW 5
WIND 20FT/LATE(MPH) LGT/VAR SW 9 G21 LGT/VAR NW 6
PRECIP AMOUNT 0.00 0.02 0.14 0.04
PRECIP DURATION 1 8 7
PRECIP BEGIN 8 AM 7 PM CONTINUING
PRECIP END 5 PM CONTINUING 6 PM
MIXING HGT(M-AGL/MSL) 1300 850
MIXING HGT(FT-AGL/MSL) 4270 2780
TRANSPORT WND (MPH) SW 23 NW 16
VENT RATE (KT-FT) 85400 38920
CATEGORY DAY 4 3
INVERSION 8PM 74F/9AM 8PM 65F/8AM
DISPERSION 4 3
MAX ADI EARLY 13 GEN POOR 69 GOOD 12 POOR 33 FAIR
MAX ADI LATE 6 VERY POOR 92 GOOD 9 POOR 47 GEN GOOD
MAX LVORI EARLY 3 4 3 4
MAX LVORI LATE 4 1 4 3
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
PAZ013-190815-
LAWRENCE-
INCLUDING THE CITIES OF NEW CASTLE AND ELLWOOD CITY
1234 PM EDT MON MAY 18 2026
TONIGHT TUE TUE NIGHT WED
CLOUD COVER PCLDY PCLDY MCLDY MCLDY
PRECIP TYPE NONE TSTMS TSTMS TSTMS
CHANCE PRECIP (%) 0 20 80 70
CHANCE OF THUNDER (%) 0 20 30 20
TEMP (24H TREND) 66 (+3) 88 (-1) 59 71
RH % (24H TREND) 77 (-16) 40 (+1) 93 55
WIND 20FT/EARLY(MPH) SW 5 SW 7 G19 SW 8 G18 NW 7
WIND 20FT/LATE(MPH) LGT/VAR SW 11 G20 SW 5 N 9
PRECIP AMOUNT 0.00 0.05 0.11 0.07
PRECIP DURATION 1 9 7
PRECIP BEGIN 11 AM CONTINUING CONTINUING
PRECIP END CONTINUING CONTINUING 6 PM
MIXING HGT(M-AGL/MSL) 1360 810
MIXING HGT(FT-AGL/MSL) 4450 2670
TRANSPORT WND (MPH) SW 23 N 17
VENT RATE (KT-FT) 89000 40050
CATEGORY DAY 4 3
INVERSION 8PM 76F/9AM 8PM 66F/8AM
DISPERSION 4 3
MAX ADI EARLY 13 GEN POOR 55 GEN GOOD 23 FAIR 33 FAIR
MAX ADI LATE 6 VERY POOR 87 GOOD 9 POOR 51 GEN GOOD
MAX LVORI EARLY 3 3 3 5
MAX LVORI LATE 4 1 4 3
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
PAZ014-190815-
BUTLER-
INCLUDING THE CITY OF BUTLER
1234 PM EDT MON MAY 18 2026
TONIGHT TUE TUE NIGHT WED
CLOUD COVER PCLDY PCLDY MCLDY MCLDY
PRECIP TYPE NONE TSTMS TSTMS TSTMS
CHANCE PRECIP (%) 0 20 70 70
CHANCE OF THUNDER (%) 0 20 30 20
TEMP (24H TREND) 65 (+3) 87 (-1) 61 73
RH % (24H TREND) 81 (-12) 43 (+2) 94 60
WIND 20FT/EARLY(MPH) SW 5 SW 7 G18 SW 7 G17 W 7
WIND 20FT/LATE(MPH) LGT/VAR SW 11 G20 SW 5 NW 8
PRECIP AMOUNT 0.00 0.03 0.07 0.07
PRECIP DURATION 0 7 6
PRECIP BEGIN 11 AM 7 PM CONTINUING
PRECIP END 2 PM CONTINUING 6 PM
MIXING HGT(M-AGL/MSL) 1370 770
MIXING HGT(FT-AGL/MSL) 4490 2540
TRANSPORT WND (MPH) SW 22 N 16
VENT RATE (KT-FT) 85310 35560
CATEGORY DAY 4 3
INVERSION 8PM 75F/9AM 8PM 68F/8AM
DISPERSION 4 3
MAX ADI EARLY 12 POOR 54 GEN GOOD 24 FAIR 35 FAIR
MAX ADI LATE 7 POOR 83 GOOD 8 POOR 44 GEN GOOD
MAX LVORI EARLY 3 4 3 5
MAX LVORI LATE 4 1 4 3
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
PAZ015-190815-
CLARION-
INCLUDING THE CITY OF CLARION
1234 PM EDT MON MAY 18 2026
TONIGHT TUE TUE NIGHT WED
CLOUD COVER PCLDY PCLDY PCLDY MCLDY
PRECIP TYPE NONE TSTMS TSTMS TSTMS
CHANCE PRECIP (%) 0 20 70 70
CHANCE OF THUNDER (%) 0 20 30 20
TEMP (24H TREND) 65 (+3) 86 (-2) 62 73
RH % (24H TREND) 80 (-10) 42 (+2) 91 54
WIND 20FT/EARLY(MPH) LGT/VAR SW 6 G18 SW 7 G18 W 6
WIND 20FT/LATE(MPH) LGT/VAR SW 10 G20 SW 5 NW 8
PRECIP AMOUNT 0.00 0.05 0.06 0.06
PRECIP DURATION 1 7 6
PRECIP BEGIN 8 AM 7 PM CONTINUING
PRECIP END 4 PM CONTINUING 6 PM
MIXING HGT(M-AGL/MSL) 1320 790
MIXING HGT(FT-AGL/MSL) 4320 2600
TRANSPORT WND (MPH) SW 22 NW 15
VENT RATE (KT-FT) 82080 33800
CATEGORY DAY 4 3
INVERSION 8PM 74F/9AM 8PM 68F/8AM
DISPERSION 4 3
MAX ADI EARLY 12 POOR 57 GEN GOOD 14 GEN POOR 33 FAIR
MAX ADI LATE 6 VERY POOR 82 GOOD 8 POOR 43 GEN GOOD
MAX LVORI EARLY 3 4 3 5
MAX LVORI LATE 4 1 4 3
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
PAZ016-190815-
JEFFERSON PA-
INCLUDING THE CITIES OF PUNXSUTAWNEY AND BROOKVILLE
1234 PM EDT MON MAY 18 2026
TONIGHT TUE TUE NIGHT WED
CLOUD COVER PCLDY PCLDY PCLDY MCLDY
PRECIP TYPE NONE TSTMS TSTMS TSTMS
CHANCE PRECIP (%) 0 30 70 80
CHANCE OF THUNDER (%) 0 20 30 20
TEMP (24H TREND) 65 (+3) 85 (-2) 64 74
RH % (24H TREND) 79 (-13) 40 (0) 87 52
WIND 20FT/EARLY(MPH) S 5 SW 7 G19 SW 7 G19 W 7
WIND 20FT/LATE(MPH) LGT/VAR SW 11 G22 SW 5 NW 8
PRECIP AMOUNT 0.00 0.01 0.02 0.07
PRECIP DURATION 1 6 8
PRECIP BEGIN 11 AM 8 PM CONTINUING
PRECIP END 5 PM CONTINUING 6 PM
MIXING HGT(M-AGL/MSL) 1310 760
MIXING HGT(FT-AGL/MSL) 4290 2490
TRANSPORT WND (MPH) SW 22 NW 15
VENT RATE (KT-FT) 81510 32370
CATEGORY DAY 4 3
INVERSION 8PM 74F/9AM 8PM 69F/8AM
DISPERSION 4 3
MAX ADI EARLY 12 POOR 65 GOOD 12 POOR 40 FAIR
MAX ADI LATE 7 POOR 85 GOOD 8 POOR 41 GEN GOOD
MAX LVORI EARLY 3 4 3 4
MAX LVORI LATE 4 1 4 3
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
PAZ020-190815-
BEAVER-
INCLUDING THE CITIES OF ALIQUIPPA, BEAVER FALLS, AMBRIDGE,
AND MONACA
1234 PM EDT MON MAY 18 2026
TONIGHT TUE TUE NIGHT WED
CLOUD COVER PCLDY PCLDY MCLDY MCLDY
PRECIP TYPE NONE NONE TSTMS TSTMS
CHANCE PRECIP (%) 0 0 70 80
CHANCE OF THUNDER (%) 0 0 30 20
TEMP (24H TREND) 68 (+4) 88 (-1) 63 72
RH % (24H TREND) 75 (-16) 39 (+1) 93 53
WIND 20FT/EARLY(MPH) SW 5 SW 7 G19 SW 7 G19 NW 6
WIND 20FT/LATE(MPH) LGT/VAR SW 11 G21 SW 5 N 8
PRECIP AMOUNT 0.00 0.00 0.05 0.08
PRECIP DURATION 8 8
PRECIP BEGIN 7 PM CONTINUING
PRECIP END CONTINUING 6 PM
MIXING HGT(M-AGL/MSL) 1580 800
MIXING HGT(FT-AGL/MSL) 5190 2640
TRANSPORT WND (MPH) SW 24 N 15
VENT RATE (KT-FT) 108990 34320
CATEGORY DAY 5 3
INVERSION 8PM 76F/9AM 8PM 68F/8AM
DISPERSION 5 3
MAX ADI EARLY 15 GEN POOR 55 GEN GOOD 25 FAIR 34 FAIR
MAX ADI LATE 6 VERY POOR 100 GOOD 8 POOR 44 GEN GOOD
MAX LVORI EARLY 3 3 3 4
MAX LVORI LATE 3 1 4 3
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
PAZ021-190815-
ALLEGHENY-
INCLUDING THE CITY OF PITTSBURGH METRO AREA
1234 PM EDT MON MAY 18 2026
TONIGHT TUE TUE NIGHT WED
CLOUD COVER PCLDY PCLDY PCLDY MCLDY
PRECIP TYPE NONE NONE TSTMS TSTMS
CHANCE PRECIP (%) 0 0 70 90
CHANCE OF THUNDER (%) 0 0 20 20
TEMP (24H TREND) 67 (+3) 90 (0) 65 76
RH % (24H TREND) 79 (-14) 37 (-1) 91 58
WIND 20FT/EARLY(MPH) SW 6 SW 8 G19 SW 9 G20 W 8
WIND 20FT/LATE(MPH) S 5 SW 13 G22 SW 6 NW 10
PRECIP AMOUNT 0.00 0.00 0.03 0.13
PRECIP DURATION 4 7
PRECIP BEGIN 8 PM CONTINUING
PRECIP END CONTINUING 6 PM
MIXING HGT(M-AGL/MSL) 1890 780
MIXING HGT(FT-AGL/MSL) 6190 2560
TRANSPORT WND (MPH) SW 23 N 14
VENT RATE (KT-FT) 123800 30720
CATEGORY DAY 5 3
INVERSION 8PM 76F/9AM 8PM 71F/8AM
DISPERSION 5 3
MAX ADI EARLY 13 GEN POOR 61 GOOD 24 FAIR 39 FAIR
MAX ADI LATE 6 VERY POOR 98 GOOD 9 POOR 39 FAIR
MAX LVORI EARLY 3 4 3 4
MAX LVORI LATE 4 1 4 3
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
PAZ022-190815-
ARMSTRONG-
INCLUDING THE CITIES OF KITTANNING AND FORD CITY
1234 PM EDT MON MAY 18 2026
TONIGHT TUE TUE NIGHT WED
CLOUD COVER PCLDY PCLDY PCLDY MCLDY
PRECIP TYPE NONE NONE TSTMS TSTMS
CHANCE PRECIP (%) 0 0 70 80
CHANCE OF THUNDER (%) 0 0 30 20
TEMP (24H TREND) 65 (+3) 88 (-1) 64 75
RH % (24H TREND) 82 (-16) 42 (0) 91 59
WIND 20FT/EARLY(MPH) S 5 SW 7 G17 SW 7 G17 W 7
WIND 20FT/LATE(MPH) LGT/VAR SW 11 G20 SW 5 NW 8
PRECIP AMOUNT 0.00 0.00 0.03 0.08
PRECIP DURATION 6 8
PRECIP BEGIN 8 PM CONTINUING
PRECIP END CONTINUING 6 PM
MIXING HGT(M-AGL/MSL) 1420 760
MIXING HGT(FT-AGL/MSL) 4670 2500
TRANSPORT WND (MPH) SW 20 NW 14
VENT RATE (KT-FT) 79390 30000
CATEGORY DAY 4 3
INVERSION 7PM 75F/9AM 7PM 70F/8AM
DISPERSION 4 3
MAX ADI EARLY 11 POOR 56 GEN GOOD 22 FAIR 40 FAIR
MAX ADI LATE 6 VERY POOR 79 GOOD 8 POOR 40 FAIR
MAX LVORI EARLY 3 4 3 5
MAX LVORI LATE 4 1 4 3
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
PAZ029-190815-
WASHINGTON-
INCLUDING THE CITIES OF WASHINGTON AND CANONSBURG
1234 PM EDT MON MAY 18 2026
TONIGHT TUE TUE NIGHT WED
CLOUD COVER PCLDY PCLDY PCLDY MCLDY
PRECIP TYPE NONE NONE TSTMS TSTMS
CHANCE PRECIP (%) 0 0 70 90
CHANCE OF THUNDER (%) 0 0 20 30
TEMP (24H TREND) 67 (+4) 88 (-1) 65 76
RH % (24H TREND) 77 (-15) 38 (-1) 86 59
WIND 20FT/EARLY(MPH) SW 5 SW 8 G19 SW 8 G19 W 8
WIND 20FT/LATE(MPH) S 5 SW 13 G21 SW 6 NW 9
PRECIP AMOUNT 0.00 0.00 0.01 0.19
PRECIP DURATION 4 9
PRECIP BEGIN 8 PM CONTINUING
PRECIP END CONTINUING 6 PM
MIXING HGT(M-AGL/MSL) 2030 770
MIXING HGT(FT-AGL/MSL) 6650 2510
TRANSPORT WND (MPH) SW 24 NW 14
VENT RATE (KT-FT) 139650 30120
CATEGORY DAY 5 3
INVERSION 8PM 75F/9AM 8PM 71F/8AM
DISPERSION 5 3
MAX ADI EARLY 13 GEN POOR 73 GOOD 25 FAIR 38 FAIR
MAX ADI LATE 8 POOR 111 VERY GOOD11 POOR 39 FAIR
MAX LVORI EARLY 3 3 2 4
MAX LVORI LATE 3 1 4 3
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
PAZ031-190815-
GREENE-
INCLUDING THE CITY OF WAYNESBURG
1234 PM EDT MON MAY 18 2026
TONIGHT TUE TUE NIGHT WED
CLOUD COVER PCLDY PCLDY PCLDY MCLDY
PRECIP TYPE NONE NONE TSTMS TSTMS
CHANCE PRECIP (%) 0 0 50 100
CHANCE OF THUNDER (%) 0 0 20 30
TEMP (24H TREND) 67 (+4) 88 (-2) 67 78
RH % (24H TREND) 76 (-14) 35 (-4) 79 69
WIND 20FT/EARLY(MPH) LGT/VAR SW 7 G19 SW 6 G18 W 6
WIND 20FT/LATE(MPH) LGT/VAR SW 10 G20 LGT/VAR NW 7
PRECIP AMOUNT 0.00 0.00 0.00 0.23
PRECIP DURATION 2 10
PRECIP BEGIN 8 PM CONTINUING
PRECIP END CONTINUING CONTINUING
MIXING HGT(M-AGL/MSL) 2240 990
MIXING HGT(FT-AGL/MSL) 7350 3230
TRANSPORT WND (MPH) SW 24 W 14
VENT RATE (KT-FT) 154350 38760
CATEGORY DAY 5 3
INVERSION 8PM 75F/9AM 8PM 71F/8AM
DISPERSION 5 3
MAX ADI EARLY 13 GEN POOR 79 GOOD 12 POOR 44 GEN GOOD
MAX ADI LATE 7 POOR 117 VERY GOOD8 POOR 42 GEN GOOD
MAX LVORI EARLY 3 3 3 4
MAX LVORI LATE 4 1 3 4
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
PAZ073-190815-
WESTMORELAND-
INCLUDING THE CITIES OF MURRYSVILLE, GREENSBURG, NEW KENSINGTON,
LOWER BURRELL, LATROBE, AND MONESSEN
1234 PM EDT MON MAY 18 2026
TONIGHT TUE TUE NIGHT WED
CLOUD COVER MCLEAR PCLDY PCLDY MCLDY
PRECIP TYPE NONE NONE TSTMS TSTMS
CHANCE PRECIP (%) 0 0 70 90
CHANCE OF THUNDER (%) 0 0 20 20
TEMP (24H TREND) 66 (+3) 89 (-1) 65 77
RH % (24H TREND) 82 (-13) 38 (-4) 87 65
WIND 20FT/EARLY(MPH) S 5 SW 9 G18 SW 8 G18 W 8
WIND 20FT/LATE(MPH) S 5 SW 13 G22 SW 6 NW 9
PRECIP AMOUNT 0.00 0.00 0.01 0.17
PRECIP DURATION 4 9
PRECIP BEGIN 8 PM CONTINUING
PRECIP END CONTINUING 6 PM
MIXING HGT(M-AGL/MSL) 1860 780
MIXING HGT(FT-AGL/MSL) 6100 2570
TRANSPORT WND (MPH) SW 22 W 15
VENT RATE (KT-FT) 115900 33410
CATEGORY DAY 5 3
INVERSION 7PM 75F/9AM 7PM 70F/8AM
DISPERSION 5 3
MAX ADI EARLY 11 POOR 53 GEN GOOD 23 FAIR 35 FAIR
MAX ADI LATE 7 POOR 94 GOOD 10 POOR 38 FAIR
MAX LVORI EARLY 3 4 3 4
MAX LVORI LATE 4 1 4 3
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
PAZ074-190815-
HIGHER ELEVATIONS OF WESTMORELAND-
INCLUDING THE CITIES OF LIGONIER AND DONEGAL
1234 PM EDT MON MAY 18 2026
TONIGHT TUE TUE NIGHT WED
CLOUD COVER MCLEAR PCLDY PCLDY MCLDY
PRECIP TYPE NONE NONE TSTMS TSTMS
CHANCE PRECIP (%) 0 0 60 90
CHANCE OF THUNDER (%) 0 0 20 30
TEMP (24H TREND) 67 (+3) 89 (0) 67 78
RH % (24H TREND) 73 (-16) 35 (-4) 78 67
WIND 20FT/EARLY(MPH) LGT/VAR SW 7 G20 SW 6 G18 W 7 G19
WIND 20FT/LATE(MPH) LGT/VAR SW 10 G21 SW 5 G17 NW 7 G17
PRECIP AMOUNT 0.00 0.00 0.00 0.17
PRECIP DURATION 2 10
PRECIP BEGIN 8 PM CONTINUING
PRECIP END CONTINUING CONTINUING
MIXING HGT(M-AGL/MSL) 1880 840
MIXING HGT(FT-AGL/MSL) 6150 2770
TRANSPORT WND (MPH) SW 22 W 17
VENT RATE (KT-FT) 116850 41550
CATEGORY DAY 5 3
INVERSION 7PM 76F/9AM 8PM 71F/8AM
DISPERSION 5 3
MAX ADI EARLY 8 POOR 74 GOOD 24 FAIR 50 GEN GOOD
MAX ADI LATE 8 POOR 125 VERY GOOD8 POOR 49 GEN GOOD
MAX LVORI EARLY 3 3 3 4
MAX LVORI LATE 3 1 3 3
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
PAZ075-190815-
FAYETTE-
INCLUDING THE CITY OF UNIONTOWN
1234 PM EDT MON MAY 18 2026
TONIGHT TUE TUE NIGHT WED
CLOUD COVER MCLEAR PCLDY PCLDY MCLDY
PRECIP TYPE NONE NONE TSTMS TSTMS
CHANCE PRECIP (%) 0 0 50 100
CHANCE OF THUNDER (%) 0 0 20 30
TEMP (24H TREND) 66 (+3) 88 (-2) 66 78
RH % (24H TREND) 80 (-5) 36 (-6) 83 70
WIND 20FT/EARLY(MPH) LGT/VAR SW 7 G17 SW 6 SW 7
WIND 20FT/LATE(MPH) LGT/VAR SW 10 G19 LGT/VAR NW 7
PRECIP AMOUNT 0.00 0.00 0.00 0.25
PRECIP DURATION 2 10
PRECIP BEGIN 8 PM CONTINUING
PRECIP END CONTINUING CONTINUING
MIXING HGT(M-AGL/MSL) 2080 940
MIXING HGT(FT-AGL/MSL) 6810 3070
TRANSPORT WND (MPH) SW 23 W 14
VENT RATE (KT-FT) 136200 36840
CATEGORY DAY 5 3
INVERSION 7PM 76F/9AM 8PM 71F/8AM
DISPERSION 5 3
MAX ADI EARLY 9 POOR 71 GOOD 21 FAIR 44 GEN GOOD
MAX ADI LATE 7 POOR 107 VERY GOOD8 POOR 43 GEN GOOD
MAX LVORI EARLY 3 4 3 4
MAX LVORI LATE 4 1 4 3
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
PAZ076-190815-
HIGHER ELEVATIONS OF FAYETTE-
INCLUDING THE CITIES OF CHAMPION AND OHIOPYLE
1234 PM EDT MON MAY 18 2026
TONIGHT TUE TUE NIGHT WED
CLOUD COVER MCLEAR PCLDY PCLDY MCLDY
PRECIP TYPE NONE NONE TSTMS TSTMS
CHANCE PRECIP (%) 0 0 40 100
CHANCE OF THUNDER (%) 0 0 10 30
TEMP (24H TREND) 64 (+1) 86 (0) 65 78
RH % (24H TREND) 76 (-9) 38 (-4) 80 68
WIND 20FT/EARLY(MPH) LGT/VAR SW 5 G17 SW 5 W 6
WIND 20FT/LATE(MPH) LGT/VAR SW 8 G19 LGT/VAR NW 6
PRECIP AMOUNT 0.00 0.00 0.00 0.23
PRECIP DURATION 1 10
PRECIP BEGIN 8 PM CONTINUING
PRECIP END CONTINUING CONTINUING
MIXING HGT(M-AGL/MSL) 1930 930
MIXING HGT(FT-AGL/MSL) 6350 3040
TRANSPORT WND (MPH) SW 22 W 16
VENT RATE (KT-FT) 120650 42560
CATEGORY DAY 5 3
INVERSION 7PM 74F/9AM 8PM 70F/8AM
DISPERSION 5 3
MAX ADI EARLY 6 VERY POOR 81 GOOD 12 POOR 49 GEN GOOD
MAX ADI LATE 6 VERY POOR 150 VERY GOOD8 POOR 47 GEN GOOD
MAX LVORI EARLY 3 3 3 4
MAX LVORI LATE 3 1 4 3
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
PAZ077-190815-
INDIANA-
INCLUDING THE CITY OF INDIANA
1234 PM EDT MON MAY 18 2026
TONIGHT TUE TUE NIGHT WED
CLOUD COVER MCLEAR PCLDY PCLDY MCLDY
PRECIP TYPE NONE NONE TSTMS TSTMS
CHANCE PRECIP (%) 0 0 70 90
CHANCE OF THUNDER (%) 0 0 20 20
TEMP (24H TREND) 66 (+4) 88 (-1) 65 77
RH % (24H TREND) 79 (-15) 39 (-2) 85 59
WIND 20FT/EARLY(MPH) LGT/VAR SW 7 G20 SW 7 G18 W 8 G17
WIND 20FT/LATE(MPH) LGT/VAR SW 11 G21 SW 5 NW 8
PRECIP AMOUNT 0.00 0.00 0.01 0.09
PRECIP DURATION 4 7
PRECIP BEGIN 8 PM CONTINUING
PRECIP END CONTINUING 6 PM
MIXING HGT(M-AGL/MSL) 1620 780
MIXING HGT(FT-AGL/MSL) 5300 2550
TRANSPORT WND (MPH) SW 21 NW 16
VENT RATE (KT-FT) 95400 35700
CATEGORY DAY 4 3
INVERSION 7PM 75F/9AM 8PM 70F/8AM
DISPERSION 4 3
MAX ADI EARLY 11 POOR 60 GEN GOOD 21 FAIR 45 GEN GOOD
MAX ADI LATE 6 VERY POOR 80 GOOD 8 POOR 44 GEN GOOD
MAX LVORI EARLY 3 4 3 4
MAX LVORI LATE 4 1 4 3
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
PAZ078-190815-
HIGHER ELEVATIONS OF INDIANA-
INCLUDING THE CITY OF ARMAGH
1234 PM EDT MON MAY 18 2026
TONIGHT TUE TUE NIGHT WED
CLOUD COVER MCLEAR PCLDY PCLDY MCLDY
PRECIP TYPE NONE NONE TSTMS TSTMS
CHANCE PRECIP (%) 0 0 70 90
CHANCE OF THUNDER (%) 0 0 20 20
TEMP (24H TREND) 66 (+3) 88 (-1) 66 77
RH % (24H TREND) 75 (-19) 37 (-2) 79 63
WIND 20FT/EARLY(MPH) LGT/VAR SW 7 G20 SW 7 G18 W 8 G18
WIND 20FT/LATE(MPH) LGT/VAR SW 11 G21 SW 5 G17 NW 7
PRECIP AMOUNT 0.00 0.00 0.01 0.12
PRECIP DURATION 3 9
PRECIP BEGIN 8 PM CONTINUING
PRECIP END CONTINUING 6 PM
MIXING HGT(M-AGL/MSL) 1710 800
MIXING HGT(FT-AGL/MSL) 5620 2630
TRANSPORT WND (MPH) SW 20 W 17
VENT RATE (KT-FT) 95540 39450
CATEGORY DAY 4 3
INVERSION 7PM 75F/9AM 8PM 70F/8AM
DISPERSION 4 3
MAX ADI EARLY 9 POOR 73 GOOD 22 FAIR 48 GEN GOOD
MAX ADI LATE 7 POOR 86 GOOD 8 POOR 47 GEN GOOD
MAX LVORI EARLY 3 3 3 4
MAX LVORI LATE 3 1 4 3
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
WVZ001-190815-
HANCOCK-
INCLUDING THE CITY OF WEIRTON
1234 PM EDT MON MAY 18 2026
TONIGHT TUE TUE NIGHT WED
CLOUD COVER PCLDY PCLDY PCLDY MCLDY
PRECIP TYPE NONE NONE TSTMS TSTMS
CHANCE PRECIP (%) 0 0 70 80
CHANCE OF THUNDER (%) 0 0 30 20
TEMP (24H TREND) 68 (+5) 88 (-1) 63 73
RH % (24H TREND) 74 (-21) 37 (0) 93 54
WIND 20FT/EARLY(MPH) SW 6 SW 8 G19 SW 8 G19 NW 6
WIND 20FT/LATE(MPH) LGT/VAR SW 11 G21 SW 6 N 8
PRECIP AMOUNT 0.00 0.00 0.06 0.09
PRECIP DURATION 8 8
PRECIP BEGIN 8 PM CONTINUING
PRECIP END CONTINUING 6 PM
MIXING HGT(M-AGL/MSL) 1840 800
MIXING HGT(FT-AGL/MSL) 6040 2640
TRANSPORT WND (MPH) SW 24 N 14
VENT RATE (KT-FT) 126840 31680
CATEGORY DAY 5 3
INVERSION 8PM 75F/9AM 8PM 68F/8AM
DISPERSION 5 3
MAX ADI EARLY 15 GEN POOR 55 GEN GOOD 26 FAIR 33 FAIR
MAX ADI LATE 6 VERY POOR 105 VERY GOOD11 POOR 41 GEN GOOD
MAX LVORI EARLY 3 3 2 4
MAX LVORI LATE 3 1 4 3
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
WVZ002-190815-
BROOKE-
INCLUDING THE CITIES OF FOLLANSBEE AND WELLSBURG
1234 PM EDT MON MAY 18 2026
TONIGHT TUE TUE NIGHT WED
CLOUD COVER PCLDY PCLDY PCLDY MCLDY
PRECIP TYPE NONE NONE TSTMS TSTMS
CHANCE PRECIP (%) 0 0 70 90
CHANCE OF THUNDER (%) 0 0 20 20
TEMP (24H TREND) 68 (+3) 88 (-2) 65 74
RH % (24H TREND) 73 (-16) 37 (+1) 89 55
WIND 20FT/EARLY(MPH) SW 6 SW 8 G19 SW 9 G19 W 7
WIND 20FT/LATE(MPH) S 5 SW 12 G21 SW 6 NW 8
PRECIP AMOUNT 0.00 0.00 0.03 0.14
PRECIP DURATION 4 7
PRECIP BEGIN 8 PM CONTINUING
PRECIP END CONTINUING 6 PM
MIXING HGT(M-AGL/MSL) 1910 760
MIXING HGT(FT-AGL/MSL) 6250 2510
TRANSPORT WND (MPH) SW 25 N 14
VENT RATE (KT-FT) 137500 30120
CATEGORY DAY 5 3
INVERSION 8PM 74F/9AM 8PM 70F/8AM
DISPERSION 5 3
MAX ADI EARLY 14 GEN POOR 60 GEN GOOD 25 FAIR 32 FAIR
MAX ADI LATE 7 POOR 114 VERY GOOD11 POOR 39 FAIR
MAX LVORI EARLY 3 3 2 4
MAX LVORI LATE 3 1 4 3
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
WVZ003-190815-
OHIO-
INCLUDING THE CITY OF WHEELING
1234 PM EDT MON MAY 18 2026
TONIGHT TUE TUE NIGHT WED
CLOUD COVER PCLDY PCLDY PCLDY MCLDY
PRECIP TYPE NONE NONE TSTMS TSTMS
CHANCE PRECIP (%) 0 0 70 90
CHANCE OF THUNDER (%) 0 0 20 30
TEMP (24H TREND) 67 (+4) 88 (-2) 66 75
RH % (24H TREND) 74 (-17) 36 (-1) 85 61
WIND 20FT/EARLY(MPH) SW 6 SW 9 G19 SW 9 G19 W 7
WIND 20FT/LATE(MPH) S 5 SW 12 G21 SW 6 NW 8
PRECIP AMOUNT 0.00 0.00 0.02 0.16
PRECIP DURATION 4 9
PRECIP BEGIN 8 PM CONTINUING
PRECIP END CONTINUING 6 PM
MIXING HGT(M-AGL/MSL) 2000 750
MIXING HGT(FT-AGL/MSL) 6550 2470
TRANSPORT WND (MPH) SW 25 N 14
VENT RATE (KT-FT) 144100 29640
CATEGORY DAY 5 3
INVERSION 8PM 74F/9AM 8PM 70F/8AM
DISPERSION 5 3
MAX ADI EARLY 13 GEN POOR 72 GOOD 25 FAIR 35 FAIR
MAX ADI LATE 7 POOR 116 VERY GOOD11 POOR 39 FAIR
MAX LVORI EARLY 3 3 2 4
MAX LVORI LATE 3 1 4 3
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
WVZ004-190815-
MARSHALL-
INCLUDING THE CITY OF MOUNDSVILLE
1234 PM EDT MON MAY 18 2026
TONIGHT TUE TUE NIGHT WED
CLOUD COVER PCLDY PCLDY PCLDY MCLDY
PRECIP TYPE NONE NONE TSTMS TSTMS
CHANCE PRECIP (%) 0 0 70 100
CHANCE OF THUNDER (%) 0 0 20 30
TEMP (24H TREND) 68 (+4) 90 (0) 67 76
RH % (24H TREND) 73 (-13) 37 (-1) 82 66
WIND 20FT/EARLY(MPH) SW 5 SW 7 G19 SW 7 G19 W 6
WIND 20FT/LATE(MPH) LGT/VAR SW 11 G21 SW 5 NW 7
PRECIP AMOUNT 0.00 0.00 0.01 0.19
PRECIP DURATION 4 10
PRECIP BEGIN 8 PM CONTINUING
PRECIP END CONTINUING CONTINUING
MIXING HGT(M-AGL/MSL) 2120 830
MIXING HGT(FT-AGL/MSL) 6950 2740
TRANSPORT WND (MPH) SW 24 W 13
VENT RATE (KT-FT) 145950 30140
CATEGORY DAY 5 3
INVERSION 8PM 75F/9AM 8PM 71F/8AM
DISPERSION 5 3
MAX ADI EARLY 13 GEN POOR 77 GOOD 26 FAIR 37 FAIR
MAX ADI LATE 7 POOR 117 VERY GOOD8 POOR 37 FAIR
MAX LVORI EARLY 3 3 2 4
MAX LVORI LATE 3 1 4 4
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
WVZ012-190815-
WETZEL-
INCLUDING THE CITY OF NEW MARTINSVILLE
1234 PM EDT MON MAY 18 2026
TONIGHT TUE TUE NIGHT WED
CLOUD COVER MCLEAR PCLDY PCLDY MCLDY
PRECIP TYPE NONE NONE TSTMS TSTMS
CHANCE PRECIP (%) 0 0 50 100
CHANCE OF THUNDER (%) 0 0 20 30
TEMP (24H TREND) 68 (+4) 89 (-1) 68 77
RH % (24H TREND) 75 (-8) 35 (-3) 80 68
WIND 20FT/EARLY(MPH) LGT/VAR SW 6 G19 SW 5 G18 SW 5
WIND 20FT/LATE(MPH) LGT/VAR SW 9 G20 LGT/VAR NW 6
PRECIP AMOUNT 0.00 0.00 0.01 0.24
PRECIP DURATION 2 10
PRECIP BEGIN 8 PM CONTINUING
PRECIP END CONTINUING CONTINUING
MIXING HGT(M-AGL/MSL) 2300 990
MIXING HGT(FT-AGL/MSL) 7530 3240
TRANSPORT WND (MPH) SW 24 W 14
VENT RATE (KT-FT) 158130 38880
CATEGORY DAY 5 3
INVERSION 8PM 74F/9AM 8PM 71F/8AM
DISPERSION 5 3
MAX ADI EARLY 12 POOR 100 GOOD 13 GEN POOR 43 GEN GOOD
MAX ADI LATE 6 VERY POOR 179 VERY GOOD7 POOR 43 GEN GOOD
MAX LVORI EARLY 3 3 2 4
MAX LVORI LATE 3 1 3 4
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
WVZ021-190815-
MARION-
INCLUDING THE CITY OF FAIRMONT
1234 PM EDT MON MAY 18 2026
TONIGHT TUE TUE NIGHT WED
CLOUD COVER MCLEAR PCLDY PCLDY MCLDY
PRECIP TYPE NONE NONE TSTMS TSTMS
CHANCE PRECIP (%) 0 0 40 100
CHANCE OF THUNDER (%) 0 0 20 40
TEMP (24H TREND) 65 (+4) 88 (-2) 66 79
RH % (24H TREND) 79 (-17) 35 (-4) 80 71
WIND 20FT/EARLY(MPH) LGT/VAR SW 5 G17 SW 5 G17 SW 5
WIND 20FT/LATE(MPH) LGT/VAR SW 9 G19 LGT/VAR NW 6
PRECIP AMOUNT 0.00 0.00 0.01 0.28
PRECIP DURATION 2 10
PRECIP BEGIN 8 PM CONTINUING
PRECIP END CONTINUING CONTINUING
MIXING HGT(M-AGL/MSL) 2340 1060
MIXING HGT(FT-AGL/MSL) 7690 3460
TRANSPORT WND (MPH) SW 21 W 14
VENT RATE (KT-FT) 138420 41520
CATEGORY DAY 5 3
INVERSION 8PM 73F/9AM 8PM 70F/8AM
DISPERSION 5 3
MAX ADI EARLY 9 POOR 90 GOOD 12 POOR 47 GEN GOOD
MAX ADI LATE 6 VERY POOR 167 VERY GOOD6 VERY POOR 46 GEN GOOD
MAX LVORI EARLY 3 4 3 4
MAX LVORI LATE 4 1 4 4
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
WVZ509-190815-
MONONGALIA-
INCLUDING THE CITY OF MORGANTOWN
1234 PM EDT MON MAY 18 2026
TONIGHT TUE TUE NIGHT WED
CLOUD COVER MCLEAR PCLDY PCLDY MCLDY
PRECIP TYPE NONE NONE TSTMS TSTMS
CHANCE PRECIP (%) 0 0 40 100
CHANCE OF THUNDER (%) 0 0 20 40
TEMP (24H TREND) 67 (+3) 88 (-2) 67 79
RH % (24H TREND) 77 (-15) 35 (-5) 77 69
WIND 20FT/EARLY(MPH) LGT/VAR SW 6 G18 SW 5 G17 SW 5
WIND 20FT/LATE(MPH) LGT/VAR SW 9 G19 LGT/VAR NW 6
PRECIP AMOUNT 0.00 0.00 0.00 0.27
PRECIP DURATION 2 10
PRECIP BEGIN 8 PM CONTINUING
PRECIP END CONTINUING CONTINUING
MIXING HGT(M-AGL/MSL) 2260 1050
MIXING HGT(FT-AGL/MSL) 7410 3450
TRANSPORT WND (MPH) SW 22 W 14
VENT RATE (KT-FT) 140790 41400
CATEGORY DAY 5 3
INVERSION 7PM 75F/9AM 8PM 71F/8AM
DISPERSION 5 3
MAX ADI EARLY 10 POOR 90 GOOD 13 GEN POOR 47 GEN GOOD
MAX ADI LATE 7 POOR 156 VERY GOOD7 POOR 46 GEN GOOD
MAX LVORI EARLY 3 3 3 4
MAX LVORI LATE 3 1 3 4
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
WVZ510-190815-
RIDGES OF EASTERN MONONGALIA AND NORTHWESTERN PRESTON-
INCLUDING THE CITY OF COOPERS ROCK
1234 PM EDT MON MAY 18 2026
TONIGHT TUE TUE NIGHT WED
CLOUD COVER MCLEAR PCLDY PCLDY MCLDY
PRECIP TYPE NONE NONE TSTMS TSTMS
CHANCE PRECIP (%) 0 0 30 100
CHANCE OF THUNDER (%) 0 0 20 40
TEMP (24H TREND) 64 (+1) 85 (-1) 65 78
RH % (24H TREND) 77 (-12) 37 (-5) 79 69
WIND 20FT/EARLY(MPH) LGT/VAR SW 5 SW 5 SW 5
WIND 20FT/LATE(MPH) LGT/VAR SW 8 G17 LGT/VAR NW 6
PRECIP AMOUNT 0.00 0.00 0.00 0.28
PRECIP DURATION 1 10
PRECIP BEGIN 8 PM CONTINUING
PRECIP END CONTINUING CONTINUING
MIXING HGT(M-AGL/MSL) 1990 920
MIXING HGT(FT-AGL/MSL) 6540 3020
TRANSPORT WND (MPH) SW 21 W 15
VENT RATE (KT-FT) 117720 39260
CATEGORY DAY 5 3
INVERSION 7PM 73F/9AM 8PM 69F/8AM
DISPERSION 5 3
MAX ADI EARLY 6 VERY POOR 83 GOOD 12 POOR 47 GEN GOOD
MAX ADI LATE 6 VERY POOR 149 VERY GOOD8 POOR 46 GEN GOOD
MAX LVORI EARLY 3 4 3 4
MAX LVORI LATE 4 1 4 4
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
WVZ511-190815-
PRESTON-
INCLUDING THE CITIES OF KINGWOOD AND BRUCETON MILLS
1234 PM EDT MON MAY 18 2026
TONIGHT TUE TUE NIGHT WED
CLOUD COVER MCLEAR PCLDY PCLDY MCLDY
PRECIP TYPE NONE NONE TSTMS TSTMS
CHANCE PRECIP (%) 0 0 20 100
CHANCE OF THUNDER (%) 0 0 20 40
TEMP (24H TREND) 64 (+3) 85 (-2) 65 79
RH % (24H TREND) 78 (-18) 38 (-4) 79 64
WIND 20FT/EARLY(MPH) LGT/VAR LGT/VAR LGT/VAR LGT/VAR
WIND 20FT/LATE(MPH) LGT/VAR SW 8 LGT/VAR W 6
PRECIP AMOUNT 0.00 0.00 0.00 0.26
PRECIP DURATION 1 10
PRECIP BEGIN 9 PM CONTINUING
PRECIP END CONTINUING CONTINUING
MIXING HGT(M-AGL/MSL) 1900 940
MIXING HGT(FT-AGL/MSL) 6250 3080
TRANSPORT WND (MPH) SW 21 W 15
VENT RATE (KT-FT) 112500 40040
CATEGORY DAY 5 3
INVERSION 7PM 73F/9AM 8PM 69F/8AM
DISPERSION 5 3
MAX ADI EARLY 6 VERY POOR 84 GOOD 9 POOR 49 GEN GOOD
MAX ADI LATE 5 VERY POOR 140 VERY GOOD6 VERY POOR 49 GEN GOOD
MAX LVORI EARLY 3 4 3 4
MAX LVORI LATE 4 1 4 4
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
WVZ512-190815-
EASTERN PRESTON-
INCLUDING THE CITIES OF TERRA ALTA, ROWLESBURG, AND HAZELTON
1234 PM EDT MON MAY 18 2026
TONIGHT TUE TUE NIGHT WED
CLOUD COVER MCLEAR PCLDY PCLDY MCLDY
PRECIP TYPE NONE NONE SHOWERS TSTMS
CHANCE PRECIP (%) 0 0 10 100
CHANCE OF THUNDER (%) 0 0 0 40
TEMP (24H TREND) 64 (+2) 84 (0) 65 79
RH % (24H TREND) 77 (-12) 39 (-6) 77 64
WIND 20FT/EARLY(MPH) LGT/VAR SW 5 G17 SW 5 W 6 G17
WIND 20FT/LATE(MPH) LGT/VAR SW 8 G17 LGT/VAR W 7
PRECIP AMOUNT 0.00 0.00 0.00 0.21
PRECIP DURATION 1 9
PRECIP BEGIN 9 PM CONTINUING
PRECIP END CONTINUING CONTINUING
MIXING HGT(M-AGL/MSL) 1830 950
MIXING HGT(FT-AGL/MSL) 5990 3110
TRANSPORT WND (MPH) W 21 W 18
VENT RATE (KT-FT) 107820 49760
CATEGORY DAY 5 3
INVERSION 8PM 71F/9AM 8PM 68F/8AM
DISPERSION 5 3
MAX ADI EARLY 6 VERY POOR 85 GOOD 11 POOR 56 GEN GOOD
MAX ADI LATE 8 POOR 133 VERY GOOD8 POOR 56 GEN GOOD
MAX LVORI EARLY 3 4 3 4
MAX LVORI LATE 4 1 3 4
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
WVZ513-190815-
WESTERN TUCKER-
INCLUDING THE CITIES OF PARSONS, HENDRICKS, AND SAINT GEORGE
1234 PM EDT MON MAY 18 2026
TONIGHT TUE TUE NIGHT WED
CLOUD COVER MCLEAR PCLDY PCLDY MCLDY
PRECIP TYPE TSTMS NONE NONE TSTMS
CHANCE PRECIP (%) 20 0 0 100
CHANCE OF THUNDER (%) 20 0 0 40
TEMP (24H TREND) 63 (+2) 85 (-1) 64 81
RH % (24H TREND) 76 (-15) 35 (-7) 76 60
WIND 20FT/EARLY(MPH) LGT/VAR LGT/VAR LGT/VAR LGT/VAR
WIND 20FT/LATE(MPH) LGT/VAR SW 8 G17 LGT/VAR W 6
PRECIP AMOUNT 0.03 0.00 0.00 0.24
PRECIP DURATION 0 9
PRECIP BEGIN 6 PM 8 AM
PRECIP END 9 PM CONTINUING
MIXING HGT(M-AGL/MSL) 1870 1210
MIXING HGT(FT-AGL/MSL) 6120 3960
TRANSPORT WND (MPH) SW 20 W 18
VENT RATE (KT-FT) 104040 63360
CATEGORY DAY 5 4
INVERSION 8PM 71F/9AM 8PM 68F/8AM
DISPERSION 5 4
MAX ADI EARLY 5 VERY POOR 96 GOOD 8 POOR 57 GEN GOOD
MAX ADI LATE 5 VERY POOR 134 VERY GOOD6 VERY POOR 66 GOOD
MAX LVORI EARLY 3 4 3 4
MAX LVORI LATE 3 1 3 3
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
WVZ514-190815-
EASTERN TUCKER-
INCLUDING THE CITIES OF DAVIS, THOMAS, AND CANAAN VALLEY
1234 PM EDT MON MAY 18 2026
TONIGHT TUE TUE NIGHT WED
CLOUD COVER PCLDY PCLDY PCLDY MCLDY
PRECIP TYPE TSTMS NONE NONE TSTMS
CHANCE PRECIP (%) 30 0 0 90
CHANCE OF THUNDER (%) 20 0 0 40
TEMP (24H TREND) 62 (+2) 82 (+1) 63 78
RH % (24H TREND) 75 (-10) 39 (-7) 76 60
WIND 20FT/EARLY(MPH) LGT/VAR W 6 G23 SW 5 G18 W 7 G24
WIND 20FT/LATE(MPH) LGT/VAR W 8 G22 LGT/VAR W 8 G23
PRECIP AMOUNT 0.01 0.00 0.00 0.13
PRECIP DURATION 1 5
PRECIP BEGIN 6 PM 8 AM
PRECIP END 11 PM CONTINUING
MIXING HGT(M-AGL/MSL) 1740 1270
MIXING HGT(FT-AGL/MSL) 5720 4170
TRANSPORT WND (MPH) W 21 W 21
VENT RATE (KT-FT) 102960 75060
CATEGORY DAY 4 4
INVERSION 8PM 70F/9AM 8PM 67F/8AM
DISPERSION 4 4
MAX ADI EARLY 6 VERY POOR 98 GOOD 12 POOR 65 GOOD
MAX ADI LATE 7 POOR 128 VERY GOOD11 POOR 73 GOOD
MAX LVORI EARLY 3 3 3 4
MAX LVORI LATE 3 1 3 3
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
FORECAST FOR DAYS 3 THROUGH 7
THURSDAY
MOSTLY CLOUDY. A CHANCE OF SHOWERS. LOWS IN THE MID
40S. HIGHS IN THE UPPER 60S. NORTH WINDS AROUND 5 MPH.
FRIDAY
MOSTLY CLOUDY WITH SHOWERS LIKELY. LOWS IN THE LOWER
50S. HIGHS IN THE UPPER 60S. EAST WINDS 10 TO 15 MPH.
SATURDAY
SHOWERS AND A CHANCE OF THUNDERSTORMS. LOWS IN THE
MID 50S. HIGHS IN THE LOWER 70S. SOUTH WINDS 15 TO 20 MPH.
SUNDAY
MOSTLY CLOUDY WITH SHOWERS LIKELY. LOWS IN THE UPPER
50S. HIGHS IN THE UPPER 70S. SOUTHWEST WINDS 10 TO 15 MPH.
MONDAY
MOSTLY CLOUDY. A CHANCE OF SHOWERS. LOWS IN THE LOWER
60S. HIGHS AROUND 80. SOUTH WINDS 5 TO 10 MPH.
MILCAREK
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