375  
FNUS51 KPBZ 171612  
FWFPBZ  
 
FIRE WEATHER PLANNING FORECAST  
NATIONAL WEATHER SERVICE PITTSBURGH PA  
1212 PM EDT SUN MAY 17 2026  
   
DISCUSSION
 
 
RELATIVE HUMIDITIES ARE EXPECTED TO REMAIN GREATER THAN 45% FOR  
MUCH OF THE WEEK, SAVE SOME READINGS IN THE 30S MONDAY AND TUESDAY  
AFTERNOON. 20FT WINDS MAY INCREASE TO AROUND 10MPH MONDAY AND  
TUESDAY AFTERNOON. FIRE CONCERNS REMAIN LOW.  
 
OHZ039-180815-  
TUSCARAWAS-  
INCLUDING THE CITIES OF NEW PHILADELPHIA AND DOVER  
1212 PM EDT SUN MAY 17 2026  
 
TONIGHT MON MON NIGHT TUE  
 
CLOUD COVER MCLEAR MCLEAR PCLDY PCLDY  
PRECIP TYPE NONE NONE NONE TSTMS  
CHANCE PRECIP (%) 0 0 0 40  
CHANCE OF THUNDER (%) 0 0 0 30  
TEMP (24H TREND) 62 (+2) 89 (+6) 67 87  
RH % (24H TREND) 76 (-24) 38 (-11) 72 43  
WIND 20FT/EARLY(MPH) LGT/VAR S 6 SW 6 G17 SW 8 G20  
WIND 20FT/LATE(MPH) LGT/VAR SW 10 G19 S 5 SW 13 G23  
PRECIP AMOUNT 0.00 0.00 0.00 0.00  
PRECIP DURATION 1  
PRECIP BEGIN 2 PM  
PRECIP END CONTINUING  
MIXING HGT(M-AGL/MSL) 2050 1550  
MIXING HGT(FT-AGL/MSL) 6730 5100  
TRANSPORT WND (MPH) SW 24 SW 24  
VENT RATE (KT-FT) 141330 107100  
CATEGORY DAY 5 5  
INVERSION 8PM 73F/9AM 8PM 74F/9AM  
DISPERSION 5 5  
MAX ADI EARLY 6 VERY POOR 80 GOOD 14 GEN POOR 76 GOOD  
MAX ADI LATE 5 VERY POOR 115 VERY GOOD8 POOR 96 GOOD  
MAX LVORI EARLY 3 4 3 3  
MAX LVORI LATE 4 1 3 1  
 
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.  
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.  
 

 
 
OHZ040-180815-  
CARROLL-  
INCLUDING THE CITIES OF CARROLLTON AND MALVERN  
1212 PM EDT SUN MAY 17 2026  
 
TONIGHT MON MON NIGHT TUE  
 
CLOUD COVER MCLEAR MCLEAR PCLDY PCLDY  
PRECIP TYPE NONE NONE NONE TSTMS  
CHANCE PRECIP (%) 0 0 0 30  
CHANCE OF THUNDER (%) 0 0 0 30  
TEMP (24H TREND) 62 (+3) 88 (+5) 67 86  
RH % (24H TREND) 76 (-23) 39 (-10) 71 43  
WIND 20FT/EARLY(MPH) LGT/VAR SW 6 SW 6 SW 9 G20  
WIND 20FT/LATE(MPH) LGT/VAR SW 10 G18 SW 6 SW 14 G22  
PRECIP AMOUNT 0.00 0.00 0.00 0.00  
PRECIP DURATION 1  
PRECIP BEGIN 2 PM  
PRECIP END CONTINUING  
MIXING HGT(M-AGL/MSL) 1990 1590  
MIXING HGT(FT-AGL/MSL) 6540 5220  
TRANSPORT WND (MPH) SW 23 SW 24  
VENT RATE (KT-FT) 130800 109620  
CATEGORY DAY 5 5  
INVERSION 8PM 73F/9AM 8PM 74F/9AM  
DISPERSION 5 5  
MAX ADI EARLY 6 VERY POOR 78 GOOD 13 GEN POOR 71 GOOD  
MAX ADI LATE 5 VERY POOR 110 VERY GOOD8 POOR 93 GOOD  
MAX LVORI EARLY 3 3 3 3  
MAX LVORI LATE 4 1 3 1  
 
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.  
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.  
 

 
 
OHZ041-180815-  
COLUMBIANA-  
INCLUDING THE CITIES OF EAST LIVERPOOL, SALEM, AND COLUMBIANA  
1212 PM EDT SUN MAY 17 2026  
 
TONIGHT MON MON NIGHT TUE  
 
CLOUD COVER MCLEAR MCLEAR PCLDY PCLDY  
PRECIP TYPE TSTMS NONE NONE TSTMS  
CHANCE PRECIP (%) 20 0 0 30  
CHANCE OF THUNDER (%) 10 0 0 20  
TEMP (24H TREND) 61 (+2) 88 (+6) 67 87  
RH % (24H TREND) 79 (-21) 40 (-10) 72 42  
WIND 20FT/EARLY(MPH) LGT/VAR SW 6 SW 6 SW 9 G20  
WIND 20FT/LATE(MPH) LGT/VAR SW 10 G18 SW 6 SW 13 G22  
PRECIP AMOUNT 0.00 0.00 0.00 0.00  
PRECIP DURATION 0 1  
PRECIP BEGIN 6 PM 2 PM  
PRECIP END 8 PM CONTINUING  
MIXING HGT(M-AGL/MSL) 1980 1600  
MIXING HGT(FT-AGL/MSL) 6490 5260  
TRANSPORT WND (MPH) SW 23 SW 23  
VENT RATE (KT-FT) 129800 105200  
CATEGORY DAY 5 5  
INVERSION 8PM 73F/9AM 8PM 75F/9AM  
DISPERSION 5 5  
MAX ADI EARLY 6 VERY POOR 74 GOOD 13 GEN POOR 70 GOOD  
MAX ADI LATE 5 VERY POOR 120 VERY GOOD8 POOR 94 GOOD  
MAX LVORI EARLY 4 4 3 3  
MAX LVORI LATE 4 1 3 1  
 
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.  
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.  
 

 
 
OHZ048-180815-  
COSHOCTON-  
INCLUDING THE CITY OF COSHOCTON  
1212 PM EDT SUN MAY 17 2026  
 
TONIGHT MON MON NIGHT TUE  
 
CLOUD COVER CLEAR MCLEAR PCLDY PCLDY  
PRECIP TYPE NONE NONE NONE TSTMS  
CHANCE PRECIP (%) 0 0 0 40  
CHANCE OF THUNDER (%) 0 0 0 30  
TEMP (24H TREND) 62 (+3) 88 (+4) 67 87  
RH % (24H TREND) 78 (-22) 39 (-9) 74 46  
WIND 20FT/EARLY(MPH) LGT/VAR S 5 SW 5 G17 SW 7 G19  
WIND 20FT/LATE(MPH) LGT/VAR SW 9 G18 LGT/VAR SW 12 G21  
PRECIP AMOUNT 0.00 0.00 0.00 0.00  
PRECIP DURATION 1  
PRECIP BEGIN 2 PM  
PRECIP END CONTINUING  
MIXING HGT(M-AGL/MSL) 2040 1550  
MIXING HGT(FT-AGL/MSL) 6710 5080  
TRANSPORT WND (MPH) SW 24 SW 24  
VENT RATE (KT-FT) 140910 106680  
CATEGORY DAY 5 5  
INVERSION 8PM 73F/9AM 8PM 74F/9AM  
DISPERSION 5 5  
MAX ADI EARLY 7 POOR 85 GOOD 15 GEN POOR 72 GOOD  
MAX ADI LATE 5 VERY POOR 157 VERY GOOD8 POOR 96 GOOD  
MAX LVORI EARLY 3 4 3 3  
MAX LVORI LATE 4 1 3 1  
 
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.  
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.  
 

 
 
OHZ049-180815-  
HARRISON-  
INCLUDING THE CITY OF CADIZ  
1212 PM EDT SUN MAY 17 2026  
 
TONIGHT MON MON NIGHT TUE  
 
CLOUD COVER MCLEAR MCLEAR PCLDY PCLDY  
PRECIP TYPE NONE NONE NONE TSTMS  
CHANCE PRECIP (%) 0 0 0 30  
CHANCE OF THUNDER (%) 0 0 0 20  
TEMP (24H TREND) 61 (+2) 89 (+5) 66 87  
RH % (24H TREND) 78 (-22) 37 (-9) 74 42  
WIND 20FT/EARLY(MPH) LGT/VAR SW 6 SW 6 G17 SW 9 G20  
WIND 20FT/LATE(MPH) LGT/VAR SW 9 G18 SW 6 SW 12 G22  
PRECIP AMOUNT 0.00 0.00 0.00 0.00  
PRECIP DURATION 1  
PRECIP BEGIN 2 PM  
PRECIP END CONTINUING  
MIXING HGT(M-AGL/MSL) 2050 1680  
MIXING HGT(FT-AGL/MSL) 6740 5500  
TRANSPORT WND (MPH) SW 23 SW 23  
VENT RATE (KT-FT) 134800 110000  
CATEGORY DAY 5 5  
INVERSION 8PM 73F/9AM 8PM 74F/9AM  
DISPERSION 5 5  
MAX ADI EARLY 6 VERY POOR 81 GOOD 13 GEN POOR 77 GOOD  
MAX ADI LATE 5 VERY POOR 132 VERY GOOD8 POOR 94 GOOD  
MAX LVORI EARLY 3 4 3 3  
MAX LVORI LATE 4 1 3 1  
 
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.  
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.  
 

 
 
OHZ050-180815-  
JEFFERSON OH-  
INCLUDING THE CITY OF STEUBENVILLE  
1212 PM EDT SUN MAY 17 2026  
 
TONIGHT MON MON NIGHT TUE  
 
CLOUD COVER MCLEAR MCLEAR PCLDY PCLDY  
PRECIP TYPE NONE NONE NONE TSTMS  
CHANCE PRECIP (%) 0 0 0 30  
CHANCE OF THUNDER (%) 0 0 0 20  
TEMP (24H TREND) 61 (+2) 89 (+6) 67 88  
RH % (24H TREND) 78 (-22) 37 (-10) 72 39  
WIND 20FT/EARLY(MPH) LGT/VAR SW 5 SW 6 SW 9 G20  
WIND 20FT/LATE(MPH) LGT/VAR SW 9 G18 SW 5 SW 12 G22  
PRECIP AMOUNT 0.00 0.00 0.00 0.00  
PRECIP DURATION 1  
PRECIP BEGIN 2 PM  
PRECIP END CONTINUING  
MIXING HGT(M-AGL/MSL) 2020 1810  
MIXING HGT(FT-AGL/MSL) 6620 5930  
TRANSPORT WND (MPH) SW 23 SW 22  
VENT RATE (KT-FT) 132400 112670  
CATEGORY DAY 5 5  
INVERSION 8PM 73F/9AM 8PM 74F/9AM  
DISPERSION 5 5  
MAX ADI EARLY 6 VERY POOR 81 GOOD 13 GEN POOR 72 GOOD  
MAX ADI LATE 5 VERY POOR 129 VERY GOOD8 POOR 94 GOOD  
MAX LVORI EARLY 3 4 3 3  
MAX LVORI LATE 4 1 3 1  
 
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.  
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.  
 

 
 
OHZ057-180815-  
MUSKINGUM-  
INCLUDING THE CITY OF ZANESVILLE  
1212 PM EDT SUN MAY 17 2026  
 
TONIGHT MON MON NIGHT TUE  
 
CLOUD COVER CLEAR MCLEAR PCLDY PCLDY  
PRECIP TYPE NONE NONE NONE TSTMS  
CHANCE PRECIP (%) 0 0 0 40  
CHANCE OF THUNDER (%) 0 0 0 30  
TEMP (24H TREND) 61 (+2) 89 (+4) 66 88  
RH % (24H TREND) 79 (-20) 36 (-7) 75 43  
WIND 20FT/EARLY(MPH) LGT/VAR S 5 SW 5 G17 SW 7 G19  
WIND 20FT/LATE(MPH) LGT/VAR SW 9 G18 LGT/VAR SW 11 G22  
PRECIP AMOUNT 0.00 0.00 0.00 0.00  
PRECIP DURATION 1  
PRECIP BEGIN 2 PM  
PRECIP END CONTINUING  
MIXING HGT(M-AGL/MSL) 2070 1740  
MIXING HGT(FT-AGL/MSL) 6800 5710  
TRANSPORT WND (MPH) SW 23 SW 23  
VENT RATE (KT-FT) 136000 114200  
CATEGORY DAY 5 5  
INVERSION 8PM 73F/9AM 8PM 74F/9AM  
DISPERSION 5 5  
MAX ADI EARLY 7 POOR 83 GOOD 13 GEN POOR 69 GOOD  
MAX ADI LATE 5 VERY POOR 162 VERY GOOD8 POOR 95 GOOD  
MAX LVORI EARLY 3 4 3 3  
MAX LVORI LATE 4 1 3 1  
 
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.  
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.  
 

 
 
OHZ058-180815-  
GUERNSEY-  
INCLUDING THE CITY OF CAMBRIDGE  
1212 PM EDT SUN MAY 17 2026  
 
TONIGHT MON MON NIGHT TUE  
 
CLOUD COVER MCLEAR MCLEAR PCLDY PCLDY  
PRECIP TYPE NONE NONE NONE TSTMS  
CHANCE PRECIP (%) 0 0 0 30  
CHANCE OF THUNDER (%) 0 0 0 30  
TEMP (24H TREND) 62 (+3) 90 (+5) 66 88  
RH % (24H TREND) 79 (-21) 37 (-7) 75 42  
WIND 20FT/EARLY(MPH) LGT/VAR S 5 SW 5 SW 7 G19  
WIND 20FT/LATE(MPH) LGT/VAR SW 9 G17 LGT/VAR SW 11 G21  
PRECIP AMOUNT 0.00 0.00 0.00 0.00  
PRECIP DURATION 1  
PRECIP BEGIN 2 PM  
PRECIP END CONTINUING  
MIXING HGT(M-AGL/MSL) 2110 1750  
MIXING HGT(FT-AGL/MSL) 6930 5730  
TRANSPORT WND (MPH) SW 23 SW 22  
VENT RATE (KT-FT) 138600 108870  
CATEGORY DAY 5 5  
INVERSION 8PM 73F/9AM 8PM 74F/9AM  
DISPERSION 5 5  
MAX ADI EARLY 7 POOR 80 GOOD 14 GEN POOR 76 GOOD  
MAX ADI LATE 5 VERY POOR 172 VERY GOOD8 POOR 95 GOOD  
MAX LVORI EARLY 3 4 3 3  
MAX LVORI LATE 4 1 3 1  
 
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.  
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.  
 

 
 
OHZ059-180815-  
BELMONT-  
INCLUDING THE CITIES OF MARTINS FERRY AND ST. CLAIRSVILLE  
1212 PM EDT SUN MAY 17 2026  
 
TONIGHT MON MON NIGHT TUE  
 
CLOUD COVER MCLEAR MCLEAR PCLDY PCLDY  
PRECIP TYPE NONE NONE NONE TSTMS  
CHANCE PRECIP (%) 0 0 0 20  
CHANCE OF THUNDER (%) 0 0 0 20  
TEMP (24H TREND) 61 (+2) 89 (+5) 65 88  
RH % (24H TREND) 82 (-18) 37 (-9) 77 39  
WIND 20FT/EARLY(MPH) LGT/VAR SW 6 SW 5 SW 8 G21  
WIND 20FT/LATE(MPH) LGT/VAR SW 9 G18 S 6 SW 12 G22  
PRECIP AMOUNT 0.00 0.00 0.00 0.00  
PRECIP DURATION 0  
PRECIP BEGIN 2 PM  
PRECIP END CONTINUING  
MIXING HGT(M-AGL/MSL) 2080 1890  
MIXING HGT(FT-AGL/MSL) 6840 6210  
TRANSPORT WND (MPH) SW 23 SW 21  
VENT RATE (KT-FT) 136800 111780  
CATEGORY DAY 5 5  
INVERSION 8PM 73F/9AM 8PM 73F/9AM  
DISPERSION 5 5  
MAX ADI EARLY 6 VERY POOR 77 GOOD 13 GEN POOR 75 GOOD  
MAX ADI LATE 5 VERY POOR 129 VERY GOOD8 POOR 94 GOOD  
MAX LVORI EARLY 3 4 3 4  
MAX LVORI LATE 4 1 3 1  
 
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.  
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.  
 

 
 
OHZ068-180815-  
NOBLE-  
INCLUDING THE CITY OF CALDWELL  
1212 PM EDT SUN MAY 17 2026  
 
TONIGHT MON MON NIGHT TUE  
 
CLOUD COVER MCLEAR MCLEAR PCLDY PCLDY  
PRECIP TYPE NONE NONE NONE TSTMS  
CHANCE PRECIP (%) 0 0 0 30  
CHANCE OF THUNDER (%) 0 0 0 20  
TEMP (24H TREND) 60 (+2) 90 (+4) 65 89  
RH % (24H TREND) 84 (-16) 36 (-6) 79 39  
WIND 20FT/EARLY(MPH) LGT/VAR LGT/VAR LGT/VAR SW 6 G19  
WIND 20FT/LATE(MPH) LGT/VAR SW 8 G17 LGT/VAR SW 10 G21  
PRECIP AMOUNT 0.00 0.00 0.00 0.00  
PRECIP DURATION 1  
PRECIP BEGIN 2 PM  
PRECIP END CONTINUING  
MIXING HGT(M-AGL/MSL) 2200 1910  
MIXING HGT(FT-AGL/MSL) 7210 6270  
TRANSPORT WND (MPH) SW 23 SW 21  
VENT RATE (KT-FT) 144200 112860  
CATEGORY DAY 5 5  
INVERSION 8PM 72F/9AM 8PM 73F/9AM  
DISPERSION 5 5  
MAX ADI EARLY 7 POOR 75 GOOD 13 GEN POOR 94 GOOD  
MAX ADI LATE 5 VERY POOR 172 VERY GOOD8 POOR 93 GOOD  
MAX LVORI EARLY 3 4 3 4  
MAX LVORI LATE 5 1 4 1  
 
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.  
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.  
 

 
 
OHZ069-180815-  
MONROE-  
INCLUDING THE CITY OF WOODSFIELD  
1212 PM EDT SUN MAY 17 2026  
 
TONIGHT MON MON NIGHT TUE  
 
CLOUD COVER MCLEAR MCLEAR PCLDY MCLEAR  
PRECIP TYPE NONE NONE NONE TSTMS  
CHANCE PRECIP (%) 0 0 0 20  
CHANCE OF THUNDER (%) 0 0 0 20  
TEMP (24H TREND) 61 (+2) 90 (+4) 66 89  
RH % (24H TREND) 82 (-16) 35 (-8) 77 37  
WIND 20FT/EARLY(MPH) LGT/VAR LGT/VAR LGT/VAR SW 6 G20  
WIND 20FT/LATE(MPH) LGT/VAR SW 7 G17 LGT/VAR SW 10 G22  
PRECIP AMOUNT 0.00 0.00 0.00 0.00  
PRECIP DURATION 0  
PRECIP BEGIN 2 PM  
PRECIP END CONTINUING  
MIXING HGT(M-AGL/MSL) 2240 2130  
MIXING HGT(FT-AGL/MSL) 7350 7000  
TRANSPORT WND (MPH) SW 22 SW 22  
VENT RATE (KT-FT) 139650 133000  
CATEGORY DAY 5 5  
INVERSION 8PM 72F/9AM 8PM 73F/9AM  
DISPERSION 5 5  
MAX ADI EARLY 6 VERY POOR 74 GOOD 13 GEN POOR 98 GOOD  
MAX ADI LATE 5 VERY POOR 171 VERY GOOD7 POOR 126 VERY GOOD  
MAX LVORI EARLY 3 4 3 4  
MAX LVORI LATE 4 1 3 1  
 
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.  
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.  
 

 
 
PAZ007-180815-  
MERCER-  
INCLUDING THE CITIES OF SHARON, HERMITAGE, AND GROVE CITY  
1212 PM EDT SUN MAY 17 2026  
 
TONIGHT MON MON NIGHT TUE  
 
CLOUD COVER MCLEAR MCLEAR PCLDY PCLDY  
PRECIP TYPE TSTMS NONE NONE TSTMS  
CHANCE PRECIP (%) 30 0 0 30  
CHANCE OF THUNDER (%) 20 0 0 20  
TEMP (24H TREND) 61 (+2) 88 (+7) 66 86  
RH % (24H TREND) 86 (-14) 42 (-13) 74 45  
WIND 20FT/EARLY(MPH) LGT/VAR S 6 SW 6 SW 9 G19  
WIND 20FT/LATE(MPH) LGT/VAR SW 10 G19 S 5 SW 13 G23  
PRECIP AMOUNT 0.00 0.00 0.00 0.00  
PRECIP DURATION 0 1  
PRECIP BEGIN 6 PM 2 PM  
PRECIP END 8 PM CONTINUING  
MIXING HGT(M-AGL/MSL) 1700 1340  
MIXING HGT(FT-AGL/MSL) 5580 4400  
TRANSPORT WND (MPH) SW 23 SW 23  
VENT RATE (KT-FT) 111600 88000  
CATEGORY DAY 5 4  
INVERSION 7PM 77F/10AM 8PM 75F/9AM  
DISPERSION 5 4  
MAX ADI EARLY 5 VERY POOR 59 GEN GOOD 12 POOR 61 GOOD  
MAX ADI LATE 5 VERY POOR 99 GOOD 8 POOR 84 GOOD  
MAX LVORI EARLY 4 4 3 3  
MAX LVORI LATE 5 1 3 1  
 
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.  
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.  
 

 
 
PAZ008-180815-  
VENANGO-  
INCLUDING THE CITIES OF OIL CITY AND FRANKLIN  
1212 PM EDT SUN MAY 17 2026  
 
TONIGHT MON MON NIGHT TUE  
 
CLOUD COVER MCLEAR MCLEAR PCLDY PCLDY  
PRECIP TYPE TSTMS NONE NONE TSTMS  
CHANCE PRECIP (%) 30 0 0 30  
CHANCE OF THUNDER (%) 20 0 0 20  
TEMP (24H TREND) 60 (+1) 88 (+7) 65 87  
RH % (24H TREND) 88 (-11) 40 (-14) 75 43  
WIND 20FT/EARLY(MPH) LGT/VAR LGT/VAR SW 5 SW 7 G18  
WIND 20FT/LATE(MPH) LGT/VAR SW 9 G17 LGT/VAR SW 11 G21  
PRECIP AMOUNT 0.00 0.00 0.00 0.00  
PRECIP DURATION 0 1  
PRECIP BEGIN 6 PM 2 PM  
PRECIP END 8 PM CONTINUING  
MIXING HGT(M-AGL/MSL) 1760 1460  
MIXING HGT(FT-AGL/MSL) 5770 4790  
TRANSPORT WND (MPH) SW 23 SW 22  
VENT RATE (KT-FT) 115400 91010  
CATEGORY DAY 5 4  
INVERSION 8PM 76F/10AM 8PM 74F/9AM  
DISPERSION 5 4  
MAX ADI EARLY 5 VERY POOR 60 GEN GOOD 12 POOR 71 GOOD  
MAX ADI LATE 5 VERY POOR 143 VERY GOOD7 POOR 84 GOOD  
MAX LVORI EARLY 5 4 3 3  
MAX LVORI LATE 5 1 3 1  
 
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.  
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.  
 

 
 
PAZ009-180815-  
FOREST-  
INCLUDING THE CITY OF TIONESTA  
1212 PM EDT SUN MAY 17 2026  
 
TONIGHT MON MON NIGHT TUE  
 
CLOUD COVER MCLEAR MCLEAR PCLDY MCLEAR  
PRECIP TYPE TSTMS NONE NONE TSTMS  
CHANCE PRECIP (%) 50 0 0 20  
CHANCE OF THUNDER (%) 30 0 0 20  
TEMP (24H TREND) 59 (+1) 87 (+6) 64 86  
RH % (24H TREND) 88 (-8) 39 (-12) 76 41  
WIND 20FT/EARLY(MPH) LGT/VAR LGT/VAR LGT/VAR SW 6 G19  
WIND 20FT/LATE(MPH) LGT/VAR SW 7 G17 LGT/VAR SW 10 G22  
PRECIP AMOUNT 0.00 0.00 0.00 0.00  
PRECIP DURATION 0 0  
PRECIP BEGIN 6 PM 2 PM  
PRECIP END 8 PM CONTINUING  
MIXING HGT(M-AGL/MSL) 1800 1680  
MIXING HGT(FT-AGL/MSL) 5910 5520  
TRANSPORT WND (MPH) SW 24 SW 22  
VENT RATE (KT-FT) 124110 104880  
CATEGORY DAY 5 5  
INVERSION 7PM 71F/9AM 8PM 69F/8AM  
DISPERSION 5 5  
MAX ADI EARLY 5 VERY POOR 65 GOOD 10 POOR 84 GOOD  
MAX ADI LATE 5 VERY POOR 155 VERY GOOD8 POOR 107 VERY GOOD  
MAX LVORI EARLY 5 4 3 3  
MAX LVORI LATE 5 1 4 1  
 
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.  
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.  
 

 
 
PAZ013-180815-  
LAWRENCE-  
INCLUDING THE CITIES OF NEW CASTLE AND ELLWOOD CITY  
1212 PM EDT SUN MAY 17 2026  
 
TONIGHT MON MON NIGHT TUE  
 
CLOUD COVER MCLEAR MCLEAR PCLDY PCLDY  
PRECIP TYPE TSTMS NONE NONE TSTMS  
CHANCE PRECIP (%) 30 0 0 30  
CHANCE OF THUNDER (%) 20 0 0 20  
TEMP (24H TREND) 61 (+2) 90 (+7) 66 88  
RH % (24H TREND) 85 (-14) 40 (-12) 74 42  
WIND 20FT/EARLY(MPH) LGT/VAR LGT/VAR SW 5 SW 7 G18  
WIND 20FT/LATE(MPH) LGT/VAR SW 9 G17 LGT/VAR SW 12 G20  
PRECIP AMOUNT 0.00 0.00 0.00 0.00  
PRECIP DURATION 0 1  
PRECIP BEGIN 6 PM 2 PM  
PRECIP END 8 PM CONTINUING  
MIXING HGT(M-AGL/MSL) 1810 1390  
MIXING HGT(FT-AGL/MSL) 5920 4570  
TRANSPORT WND (MPH) SW 22 SW 23  
VENT RATE (KT-FT) 112480 91400  
CATEGORY DAY 5 4  
INVERSION 7PM 73F/9AM 8PM 76F/9AM  
DISPERSION 5 4  
MAX ADI EARLY 5 VERY POOR 64 GOOD 12 POOR 63 GOOD  
MAX ADI LATE 5 VERY POOR 120 VERY GOOD8 POOR 85 GOOD  
MAX LVORI EARLY 4 4 3 3  
MAX LVORI LATE 5 1 3 1  
 
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.  
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.  
 

 
 
PAZ014-180815-  
BUTLER-  
INCLUDING THE CITY OF BUTLER  
1212 PM EDT SUN MAY 17 2026  
 
TONIGHT MON MON NIGHT TUE  
 
CLOUD COVER MCLEAR MCLEAR PCLDY MCLEAR  
PRECIP TYPE NONE NONE NONE TSTMS  
CHANCE PRECIP (%) 0 0 0 20  
CHANCE OF THUNDER (%) 0 0 0 20  
TEMP (24H TREND) 60 (+1) 89 (+7) 65 88  
RH % (24H TREND) 88 (-10) 42 (-12) 77 43  
WIND 20FT/EARLY(MPH) LGT/VAR LGT/VAR SW 5 SW 7 G17  
WIND 20FT/LATE(MPH) LGT/VAR SW 8 LGT/VAR SW 12 G20  
PRECIP AMOUNT 0.00 0.00 0.00 0.00  
PRECIP DURATION 0  
PRECIP BEGIN 2 PM  
PRECIP END CONTINUING  
MIXING HGT(M-AGL/MSL) 1940 1680  
MIXING HGT(FT-AGL/MSL) 6370 5510  
TRANSPORT WND (MPH) SW 23 SW 21  
VENT RATE (KT-FT) 127400 99180  
CATEGORY DAY 5 4  
INVERSION 7PM 76F/10AM 8PM 75F/9AM  
DISPERSION 5 4  
MAX ADI EARLY 5 VERY POOR 58 GEN GOOD 12 POOR 67 GOOD  
MAX ADI LATE 5 VERY POOR 156 VERY GOOD8 POOR 87 GOOD  
MAX LVORI EARLY 5 4 3 4  
MAX LVORI LATE 6 1 4 1  
 
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.  
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.  
 

 
 
PAZ015-180815-  
CLARION-  
INCLUDING THE CITY OF CLARION  
1212 PM EDT SUN MAY 17 2026  
 
TONIGHT MON MON NIGHT TUE  
 
CLOUD COVER MCLEAR MCLEAR PCLDY MCLEAR  
PRECIP TYPE TSTMS NONE NONE TSTMS  
CHANCE PRECIP (%) 40 0 0 20  
CHANCE OF THUNDER (%) 20 0 0 20  
TEMP (24H TREND) 59 (0) 88 (+7) 65 87  
RH % (24H TREND) 87 (-11) 40 (-12) 76 41  
WIND 20FT/EARLY(MPH) LGT/VAR LGT/VAR LGT/VAR SW 6 G18  
WIND 20FT/LATE(MPH) LGT/VAR SW 8 G17 LGT/VAR SW 11 G21  
PRECIP AMOUNT 0.00 0.00 0.00 0.00  
PRECIP DURATION 0 0  
PRECIP BEGIN 6 PM 2 PM  
PRECIP END 8 PM CONTINUING  
MIXING HGT(M-AGL/MSL) 1760 1670  
MIXING HGT(FT-AGL/MSL) 5760 5480  
TRANSPORT WND (MPH) SW 22 SW 21  
VENT RATE (KT-FT) 109440 98640  
CATEGORY DAY 5 4  
INVERSION 7PM 76F/10AM 8PM 74F/9AM  
DISPERSION 5 4  
MAX ADI EARLY 5 VERY POOR 56 GEN GOOD 8 POOR 71 GOOD  
MAX ADI LATE 4 VERY POOR 137 VERY GOOD8 POOR 90 GOOD  
MAX LVORI EARLY 5 4 3 4  
MAX LVORI LATE 6 1 4 1  
 
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.  
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.  
 

 
 
PAZ016-180815-  
JEFFERSON PA-  
INCLUDING THE CITIES OF PUNXSUTAWNEY AND BROOKVILLE  
1212 PM EDT SUN MAY 17 2026  
 
TONIGHT MON MON NIGHT TUE  
 
CLOUD COVER MCLEAR MCLEAR PCLDY MCLEAR  
PRECIP TYPE TSTMS NONE NONE NONE  
CHANCE PRECIP (%) 30 0 0 0  
CHANCE OF THUNDER (%) 20 0 0 0  
TEMP (24H TREND) 59 (0) 87 (+7) 64 86  
RH % (24H TREND) 86 (-13) 39 (-13) 75 39  
WIND 20FT/EARLY(MPH) LGT/VAR LGT/VAR LGT/VAR SW 7 G19  
WIND 20FT/LATE(MPH) LGT/VAR SW 8 G17 LGT/VAR SW 11 G21  
PRECIP AMOUNT 0.00 0.00 0.00 0.00  
PRECIP DURATION 0  
PRECIP BEGIN 6 PM  
PRECIP END 8 PM  
MIXING HGT(M-AGL/MSL) 1760 1700  
MIXING HGT(FT-AGL/MSL) 5760 5590  
TRANSPORT WND (MPH) SW 22 SW 22  
VENT RATE (KT-FT) 109440 106210  
CATEGORY DAY 5 5  
INVERSION 8PM 76F/10AM 8PM 74F/9AM  
DISPERSION 5 5  
MAX ADI EARLY 5 VERY POOR 51 GEN GOOD 12 POOR 68 GOOD  
MAX ADI LATE 4 VERY POOR 140 VERY GOOD8 POOR 93 GOOD  
MAX LVORI EARLY 4 4 3 3  
MAX LVORI LATE 5 1 3 1  
 
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.  
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.  
 

 
 
PAZ020-180815-  
BEAVER-  
INCLUDING THE CITIES OF ALIQUIPPA, BEAVER FALLS, AMBRIDGE,  
AND MONACA  
1212 PM EDT SUN MAY 17 2026  
 
TONIGHT MON MON NIGHT TUE  
 
CLOUD COVER MCLEAR MCLEAR PCLDY MCLEAR  
PRECIP TYPE NONE NONE NONE TSTMS  
CHANCE PRECIP (%) 0 0 0 20  
CHANCE OF THUNDER (%) 0 0 0 20  
TEMP (24H TREND) 62 (+2) 89 (+6) 67 88  
RH % (24H TREND) 82 (-17) 38 (-12) 72 41  
WIND 20FT/EARLY(MPH) LGT/VAR LGT/VAR SW 5 SW 7 G18  
WIND 20FT/LATE(MPH) LGT/VAR SW 8 G17 LGT/VAR SW 12 G20  
PRECIP AMOUNT 0.00 0.00 0.00 0.00  
PRECIP DURATION 0  
PRECIP BEGIN 2 PM  
PRECIP END CONTINUING  
MIXING HGT(M-AGL/MSL) 1990 1810  
MIXING HGT(FT-AGL/MSL) 6540 5950  
TRANSPORT WND (MPH) SW 23 SW 22  
VENT RATE (KT-FT) 130800 113050  
CATEGORY DAY 5 5  
INVERSION 8PM 73F/9AM 8PM 76F/9AM  
DISPERSION 5 5  
MAX ADI EARLY 6 VERY POOR 72 GOOD 13 GEN POOR 69 GOOD  
MAX ADI LATE 4 VERY POOR 164 VERY GOOD7 POOR 97 GOOD  
MAX LVORI EARLY 4 4 3 3  
MAX LVORI LATE 5 1 3 1  
 
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.  
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.  
 

 
 
PAZ021-180815-  
ALLEGHENY-  
INCLUDING THE CITY OF PITTSBURGH METRO AREA  
1212 PM EDT SUN MAY 17 2026  
 
TONIGHT MON MON NIGHT TUE  
 
CLOUD COVER MCLEAR MCLEAR PCLDY MCLEAR  
PRECIP TYPE NONE NONE NONE NONE  
CHANCE PRECIP (%) 0 0 0 0  
CHANCE OF THUNDER (%) 0 0 0 0  
TEMP (24H TREND) 61 (+1) 90 (+7) 67 91  
RH % (24H TREND) 86 (-12) 38 (-12) 75 37  
WIND 20FT/EARLY(MPH) LGT/VAR LGT/VAR SW 6 SW 8 G18  
WIND 20FT/LATE(MPH) LGT/VAR SW 9 G17 S 5 SW 14 G22  
PRECIP AMOUNT 0.00 0.00 0.00 0.00  
PRECIP DURATION  
PRECIP BEGIN  
PRECIP END  
MIXING HGT(M-AGL/MSL) 2080 2030  
MIXING HGT(FT-AGL/MSL) 6820 6650  
TRANSPORT WND (MPH) SW 23 SW 22  
VENT RATE (KT-FT) 136400 126350  
CATEGORY DAY 5 5  
INVERSION 8PM 73F/9AM 8PM 76F/9AM  
DISPERSION 5 5  
MAX ADI EARLY 5 VERY POOR 80 GOOD 13 GEN POOR 69 GOOD  
MAX ADI LATE 4 VERY POOR 126 VERY GOOD7 POOR 100 GOOD  
MAX LVORI EARLY 4 4 3 3  
MAX LVORI LATE 5 1 3 1  
 
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.  
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.  
 

 
 
PAZ022-180815-  
ARMSTRONG-  
INCLUDING THE CITIES OF KITTANNING AND FORD CITY  
1212 PM EDT SUN MAY 17 2026  
 
TONIGHT MON MON NIGHT TUE  
 
CLOUD COVER MCLEAR MCLEAR PCLDY MCLEAR  
PRECIP TYPE NONE NONE NONE NONE  
CHANCE PRECIP (%) 0 0 0 0  
CHANCE OF THUNDER (%) 0 0 0 0  
TEMP (24H TREND) 59 (0) 89 (+8) 65 88  
RH % (24H TREND) 89 (-11) 41 (-13) 79 42  
WIND 20FT/EARLY(MPH) LGT/VAR LGT/VAR LGT/VAR SW 7 G17  
WIND 20FT/LATE(MPH) LGT/VAR SW 8 LGT/VAR SW 11 G21  
PRECIP AMOUNT 0.00 0.00 0.00 0.00  
PRECIP DURATION  
PRECIP BEGIN  
PRECIP END  
MIXING HGT(M-AGL/MSL) 1890 1850  
MIXING HGT(FT-AGL/MSL) 6200 6060  
TRANSPORT WND (MPH) SW 21 SW 21  
VENT RATE (KT-FT) 111600 109080  
CATEGORY DAY 5 5  
INVERSION 7PM 76F/10AM 8PM 75F/9AM  
DISPERSION 5 5  
MAX ADI EARLY 5 VERY POOR 50 GEN GOOD 8 POOR 65 GOOD  
MAX ADI LATE 4 VERY POOR 138 VERY GOOD6 VERY POOR 91 GOOD  
MAX LVORI EARLY 5 4 3 4  
MAX LVORI LATE 6 1 4 1  
 
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.  
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.  
 

 
 
PAZ029-180815-  
WASHINGTON-  
INCLUDING THE CITIES OF WASHINGTON AND CANONSBURG  
1212 PM EDT SUN MAY 17 2026  
 
TONIGHT MON MON NIGHT TUE  
 
CLOUD COVER MCLEAR MCLEAR PCLDY MCLEAR  
PRECIP TYPE NONE NONE NONE NONE  
CHANCE PRECIP (%) 0 0 0 0  
CHANCE OF THUNDER (%) 0 0 0 0  
TEMP (24H TREND) 61 (+2) 89 (+6) 66 88  
RH % (24H TREND) 84 (-15) 38 (-11) 74 39  
WIND 20FT/EARLY(MPH) LGT/VAR SW 5 SW 5 SW 8 G19  
WIND 20FT/LATE(MPH) LGT/VAR SW 9 G17 S 5 SW 13 G21  
PRECIP AMOUNT 0.00 0.00 0.00 0.00  
PRECIP DURATION  
PRECIP BEGIN  
PRECIP END  
MIXING HGT(M-AGL/MSL) 1990 1990  
MIXING HGT(FT-AGL/MSL) 6540 6540  
TRANSPORT WND (MPH) SW 22 SW 21  
VENT RATE (KT-FT) 124260 117720  
CATEGORY DAY 5 5  
INVERSION 8PM 73F/9AM 8PM 75F/9AM  
DISPERSION 5 5  
MAX ADI EARLY 5 VERY POOR 79 GOOD 12 POOR 75 GOOD  
MAX ADI LATE 5 VERY POOR 149 VERY GOOD7 POOR 96 GOOD  
MAX LVORI EARLY 3 4 3 3  
MAX LVORI LATE 4 1 3 1  
 
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.  
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.  
 

 
 
PAZ031-180815-  
GREENE-  
INCLUDING THE CITY OF WAYNESBURG  
1212 PM EDT SUN MAY 17 2026  
 
TONIGHT MON MON NIGHT TUE  
 
CLOUD COVER MCLEAR CLEAR PCLDY MCLEAR  
PRECIP TYPE NONE NONE NONE NONE  
CHANCE PRECIP (%) 0 0 0 0  
CHANCE OF THUNDER (%) 0 0 0 0  
TEMP (24H TREND) 61 (+3) 89 (+6) 66 89  
RH % (24H TREND) 83 (-12) 38 (-11) 73 37  
WIND 20FT/EARLY(MPH) LGT/VAR LGT/VAR LGT/VAR SW 7 G18  
WIND 20FT/LATE(MPH) LGT/VAR SW 7 LGT/VAR SW 10 G19  
PRECIP AMOUNT 0.00 0.00 0.00 0.00  
PRECIP DURATION  
PRECIP BEGIN  
PRECIP END  
MIXING HGT(M-AGL/MSL) 2170 2420  
MIXING HGT(FT-AGL/MSL) 7110 7940  
TRANSPORT WND (MPH) SW 22 SW 21  
VENT RATE (KT-FT) 135090 142920  
CATEGORY DAY 5 5  
INVERSION 8PM 73F/9AM 8PM 75F/9AM  
DISPERSION 5 5  
MAX ADI EARLY 5 VERY POOR 81 GOOD 12 POOR 85 GOOD  
MAX ADI LATE 5 VERY POOR 163 VERY GOOD7 POOR 106 VERY GOOD  
MAX LVORI EARLY 3 4 3 3  
MAX LVORI LATE 5 1 3 1  
 
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.  
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.  
 

 
 
PAZ073-180815-  
WESTMORELAND-  
INCLUDING THE CITIES OF MURRYSVILLE, GREENSBURG, NEW KENSINGTON,  
LOWER BURRELL, LATROBE, AND MONESSEN  
1212 PM EDT SUN MAY 17 2026  
 
TONIGHT MON MON NIGHT TUE  
 
CLOUD COVER MCLEAR MCLEAR PCLDY MCLEAR  
PRECIP TYPE NONE NONE NONE NONE  
CHANCE PRECIP (%) 0 0 0 0  
CHANCE OF THUNDER (%) 0 0 0 0  
TEMP (24H TREND) 60 (+1) 90 (+8) 65 90  
RH % (24H TREND) 89 (-10) 40 (-12) 79 39  
WIND 20FT/EARLY(MPH) LGT/VAR S 5 SW 5 SW 9 G18  
WIND 20FT/LATE(MPH) LGT/VAR SW 9 LGT/VAR SW 13 G22  
PRECIP AMOUNT 0.00 0.00 0.00 0.00  
PRECIP DURATION  
PRECIP BEGIN  
PRECIP END  
MIXING HGT(M-AGL/MSL) 1810 1920  
MIXING HGT(FT-AGL/MSL) 5950 6300  
TRANSPORT WND (MPH) SW 20 SW 20  
VENT RATE (KT-FT) 101150 107100  
CATEGORY DAY 5 5  
INVERSION 7PM 73F/9AM 7PM 76F/9AM  
DISPERSION 5 5  
MAX ADI EARLY 5 VERY POOR 55 GEN GOOD 11 POOR 64 GOOD  
MAX ADI LATE 4 VERY POOR 120 VERY GOOD7 POOR 92 GOOD  
MAX LVORI EARLY 4 4 3 4  
MAX LVORI LATE 6 1 4 1  
 
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.  
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.  
 

 
 
PAZ074-180815-  
HIGHER ELEVATIONS OF WESTMORELAND-  
INCLUDING THE CITIES OF LIGONIER AND DONEGAL  
1212 PM EDT SUN MAY 17 2026  
 
TONIGHT MON MON NIGHT TUE  
 
CLOUD COVER MCLEAR MCLEAR PCLDY MCLEAR  
PRECIP TYPE NONE NONE NONE NONE  
CHANCE PRECIP (%) 0 0 0 0  
CHANCE OF THUNDER (%) 0 0 0 0  
TEMP (24H TREND) 61 (+1) 90 (+9) 66 90  
RH % (24H TREND) 80 (-18) 36 (-12) 71 35  
WIND 20FT/EARLY(MPH) LGT/VAR LGT/VAR LGT/VAR SW 7 G19  
WIND 20FT/LATE(MPH) LGT/VAR SW 6 LGT/VAR SW 10 G21  
PRECIP AMOUNT 0.00 0.00 0.00 0.00  
PRECIP DURATION  
PRECIP BEGIN  
PRECIP END  
MIXING HGT(M-AGL/MSL) 1760 1960  
MIXING HGT(FT-AGL/MSL) 5790 6420  
TRANSPORT WND (MPH) SW 18 SW 20  
VENT RATE (KT-FT) 92640 109140  
CATEGORY DAY 4 5  
INVERSION 7PM 74F/9AM 8PM 76F/9AM  
DISPERSION 4 5  
MAX ADI EARLY 5 VERY POOR 64 GOOD 7 POOR 83 GOOD  
MAX ADI LATE 4 VERY POOR 117 VERY GOOD7 POOR 114 VERY GOOD  
MAX LVORI EARLY 3 3 3 3  
MAX LVORI LATE 4 1 3 1  
 
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.  
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.  
 

 
 
PAZ075-180815-  
FAYETTE-  
INCLUDING THE CITY OF UNIONTOWN  
1212 PM EDT SUN MAY 17 2026  
 
TONIGHT MON MON NIGHT TUE  
 
CLOUD COVER MCLEAR CLEAR MCLEAR MCLEAR  
PRECIP TYPE NONE NONE NONE NONE  
CHANCE PRECIP (%) 0 0 0 0  
CHANCE OF THUNDER (%) 0 0 0 0  
TEMP (24H TREND) 60 (+1) 89 (+6) 65 89  
RH % (24H TREND) 85 (-9) 40 (-11) 77 38  
WIND 20FT/EARLY(MPH) LGT/VAR LGT/VAR LGT/VAR SW 7  
WIND 20FT/LATE(MPH) LGT/VAR SW 7 LGT/VAR SW 10 G19  
PRECIP AMOUNT 0.00 0.00 0.00 0.00  
PRECIP DURATION  
PRECIP BEGIN  
PRECIP END  
MIXING HGT(M-AGL/MSL) 1880 2180  
MIXING HGT(FT-AGL/MSL) 6160 7170  
TRANSPORT WND (MPH) SW 18 SW 20  
VENT RATE (KT-FT) 98560 121890  
CATEGORY DAY 4 5  
INVERSION 7PM 74F/9AM 7PM 76F/9AM  
DISPERSION 4 5  
MAX ADI EARLY 4 VERY POOR 60 GEN GOOD 7 POOR 78 GOOD  
MAX ADI LATE 4 VERY POOR 130 VERY GOOD6 VERY POOR 95 GOOD  
MAX LVORI EARLY 3 4 3 3  
MAX LVORI LATE 5 1 3 1  
 
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.  
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.  
 

 
 
PAZ076-180815-  
HIGHER ELEVATIONS OF FAYETTE-  
INCLUDING THE CITIES OF CHAMPION AND OHIOPYLE  
1212 PM EDT SUN MAY 17 2026  
 
TONIGHT MON MON NIGHT TUE  
 
CLOUD COVER MCLEAR CLEAR MCLEAR MCLEAR  
PRECIP TYPE NONE NONE NONE NONE  
CHANCE PRECIP (%) 0 0 0 0  
CHANCE OF THUNDER (%) 0 0 0 0  
TEMP (24H TREND) 59 (+1) 87 (+7) 63 86  
RH % (24H TREND) 79 (-17) 39 (-11) 73 38  
WIND 20FT/EARLY(MPH) LGT/VAR LGT/VAR LGT/VAR SW 5 G17  
WIND 20FT/LATE(MPH) LGT/VAR SW 5 LGT/VAR SW 8 G18  
PRECIP AMOUNT 0.00 0.00 0.00 0.00  
PRECIP DURATION  
PRECIP BEGIN  
PRECIP END  
MIXING HGT(M-AGL/MSL) 1800 2160  
MIXING HGT(FT-AGL/MSL) 5890 7080  
TRANSPORT WND (MPH) SW 18 SW 20  
VENT RATE (KT-FT) 94240 120360  
CATEGORY DAY 4 5  
INVERSION 7PM 73F/9AM 8PM 74F/9AM  
DISPERSION 4 5  
MAX ADI EARLY 4 VERY POOR 63 GOOD 6 VERY POOR 96 GOOD  
MAX ADI LATE 4 VERY POOR 123 VERY GOOD5 VERY POOR 142 VERY GOOD  
MAX LVORI EARLY 3 4 3 3  
MAX LVORI LATE 4 1 3 1  
 
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.  
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.  
 

 
 
PAZ077-180815-  
INDIANA-  
INCLUDING THE CITY OF INDIANA  
1212 PM EDT SUN MAY 17 2026  
 
TONIGHT MON MON NIGHT TUE  
 
CLOUD COVER MCLEAR MCLEAR PCLDY MCLEAR  
PRECIP TYPE NONE NONE NONE NONE  
CHANCE PRECIP (%) 0 0 0 0  
CHANCE OF THUNDER (%) 0 0 0 0  
TEMP (24H TREND) 60 (+1) 90 (+9) 65 89  
RH % (24H TREND) 86 (-14) 38 (-14) 77 38  
WIND 20FT/EARLY(MPH) LGT/VAR LGT/VAR LGT/VAR SW 7 G19  
WIND 20FT/LATE(MPH) LGT/VAR SW 8 LGT/VAR SW 12 G21  
PRECIP AMOUNT 0.00 0.00 0.00 0.00  
PRECIP DURATION  
PRECIP BEGIN  
PRECIP END  
MIXING HGT(M-AGL/MSL) 1690 1910  
MIXING HGT(FT-AGL/MSL) 5550 6250  
TRANSPORT WND (MPH) SW 20 SW 21  
VENT RATE (KT-FT) 94350 112500  
CATEGORY DAY 4 5  
INVERSION 7PM 77F/10AM 7PM 75F/9AM  
DISPERSION 4 5  
MAX ADI EARLY 5 VERY POOR 50 GEN GOOD 10 POOR 64 GOOD  
MAX ADI LATE 4 VERY POOR 125 VERY GOOD6 VERY POOR 91 GOOD  
MAX LVORI EARLY 4 4 3 3  
MAX LVORI LATE 5 1 4 1  
 
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.  
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.  
 

 
 
PAZ078-180815-  
HIGHER ELEVATIONS OF INDIANA-  
INCLUDING THE CITY OF ARMAGH  
1212 PM EDT SUN MAY 17 2026  
 
TONIGHT MON MON NIGHT TUE  
 
CLOUD COVER MCLEAR MCLEAR PCLDY MCLEAR  
PRECIP TYPE NONE NONE NONE NONE  
CHANCE PRECIP (%) 0 0 0 0  
CHANCE OF THUNDER (%) 0 0 0 0  
TEMP (24H TREND) 61 (+2) 90 (+9) 66 89  
RH % (24H TREND) 81 (-18) 36 (-14) 73 37  
WIND 20FT/EARLY(MPH) LGT/VAR LGT/VAR LGT/VAR SW 7 G19  
WIND 20FT/LATE(MPH) LGT/VAR SW 7 LGT/VAR SW 11 G21  
PRECIP AMOUNT 0.00 0.00 0.00 0.00  
PRECIP DURATION  
PRECIP BEGIN  
PRECIP END  
MIXING HGT(M-AGL/MSL) 1710 1930  
MIXING HGT(FT-AGL/MSL) 5600 6330  
TRANSPORT WND (MPH) SW 20 SW 20  
VENT RATE (KT-FT) 95200 107610  
CATEGORY DAY 4 5  
INVERSION 7PM 77F/10AM 7PM 75F/9AM  
DISPERSION 4 5  
MAX ADI EARLY 5 VERY POOR 57 GEN GOOD 7 POOR 70 GOOD  
MAX ADI LATE 4 VERY POOR 118 VERY GOOD6 VERY POOR 93 GOOD  
MAX LVORI EARLY 4 4 3 3  
MAX LVORI LATE 5 1 3 1  
 
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.  
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.  
 

 
 
WVZ001-180815-  
HANCOCK-  
INCLUDING THE CITY OF WEIRTON  
1212 PM EDT SUN MAY 17 2026  
 
TONIGHT MON MON NIGHT TUE  
 
CLOUD COVER MCLEAR MCLEAR PCLDY PCLDY  
PRECIP TYPE NONE NONE NONE TSTMS  
CHANCE PRECIP (%) 0 0 0 20  
CHANCE OF THUNDER (%) 0 0 0 20  
TEMP (24H TREND) 62 (+3) 89 (+6) 67 88  
RH % (24H TREND) 78 (-22) 37 (-11) 71 41  
WIND 20FT/EARLY(MPH) LGT/VAR S 5 SW 5 SW 7 G18  
WIND 20FT/LATE(MPH) LGT/VAR SW 9 G17 SW 5 SW 12 G20  
PRECIP AMOUNT 0.00 0.00 0.00 0.00  
PRECIP DURATION 0  
PRECIP BEGIN 2 PM  
PRECIP END CONTINUING  
MIXING HGT(M-AGL/MSL) 1970 1820  
MIXING HGT(FT-AGL/MSL) 6460 5980  
TRANSPORT WND (MPH) SW 24 SW 22  
VENT RATE (KT-FT) 135660 113620  
CATEGORY DAY 5 5  
INVERSION 8PM 73F/9AM 8PM 74F/9AM  
DISPERSION 5 5  
MAX ADI EARLY 6 VERY POOR 77 GOOD 13 GEN POOR 70 GOOD  
MAX ADI LATE 5 VERY POOR 166 VERY GOOD7 POOR 99 GOOD  
MAX LVORI EARLY 3 4 3 3  
MAX LVORI LATE 4 1 3 1  
 
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.  
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.  
 

 
 
WVZ002-180815-  
BROOKE-  
INCLUDING THE CITIES OF FOLLANSBEE AND WELLSBURG  
1212 PM EDT SUN MAY 17 2026  
 
TONIGHT MON MON NIGHT TUE  
 
CLOUD COVER MCLEAR CLEAR PCLDY PCLDY  
PRECIP TYPE NONE NONE NONE TSTMS  
CHANCE PRECIP (%) 0 0 0 20  
CHANCE OF THUNDER (%) 0 0 0 20  
TEMP (24H TREND) 63 (+3) 89 (+6) 68 88  
RH % (24H TREND) 77 (-22) 37 (-10) 69 39  
WIND 20FT/EARLY(MPH) LGT/VAR S 5 SW 5 SW 8 G19  
WIND 20FT/LATE(MPH) LGT/VAR SW 9 G17 S 5 SW 12 G21  
PRECIP AMOUNT 0.00 0.00 0.00 0.00  
PRECIP DURATION 0  
PRECIP BEGIN 2 PM  
PRECIP END CONTINUING  
MIXING HGT(M-AGL/MSL) 1970 1820  
MIXING HGT(FT-AGL/MSL) 6470 5960  
TRANSPORT WND (MPH) SW 23 SW 21  
VENT RATE (KT-FT) 129400 107280  
CATEGORY DAY 5 5  
INVERSION 8PM 73F/9AM 8PM 74F/9AM  
DISPERSION 5 5  
MAX ADI EARLY 5 VERY POOR 80 GOOD 13 GEN POOR 76 GOOD  
MAX ADI LATE 5 VERY POOR 158 VERY GOOD7 POOR 97 GOOD  
MAX LVORI EARLY 3 4 3 3  
MAX LVORI LATE 4 1 3 1  
 
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.  
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.  
 

 
 
WVZ003-180815-  
OHIO-  
INCLUDING THE CITY OF WHEELING  
1212 PM EDT SUN MAY 17 2026  
 
TONIGHT MON MON NIGHT TUE  
 
CLOUD COVER MCLEAR CLEAR PCLDY MCLEAR  
PRECIP TYPE NONE NONE NONE TSTMS  
CHANCE PRECIP (%) 0 0 0 20  
CHANCE OF THUNDER (%) 0 0 0 20  
TEMP (24H TREND) 62 (+3) 89 (+6) 67 88  
RH % (24H TREND) 79 (-21) 36 (-11) 72 39  
WIND 20FT/EARLY(MPH) LGT/VAR S 5 SW 5 SW 8 G19  
WIND 20FT/LATE(MPH) LGT/VAR SW 9 G17 S 5 SW 12 G21  
PRECIP AMOUNT 0.00 0.00 0.00 0.00  
PRECIP DURATION 0  
PRECIP BEGIN 2 PM  
PRECIP END CONTINUING  
MIXING HGT(M-AGL/MSL) 2070 1920  
MIXING HGT(FT-AGL/MSL) 6790 6290  
TRANSPORT WND (MPH) SW 23 SW 21  
VENT RATE (KT-FT) 135800 113220  
CATEGORY DAY 5 5  
INVERSION 8PM 73F/9AM 8PM 74F/9AM  
DISPERSION 5 5  
MAX ADI EARLY 5 VERY POOR 80 GOOD 12 POOR 77 GOOD  
MAX ADI LATE 5 VERY POOR 167 VERY GOOD7 POOR 99 GOOD  
MAX LVORI EARLY 3 4 3 3  
MAX LVORI LATE 4 1 3 1  
 
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.  
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.  
 

 
 
WVZ004-180815-  
MARSHALL-  
INCLUDING THE CITY OF MOUNDSVILLE  
1212 PM EDT SUN MAY 17 2026  
 
TONIGHT MON MON NIGHT TUE  
 
CLOUD COVER MCLEAR MCLEAR PCLDY MCLEAR  
PRECIP TYPE NONE NONE NONE NONE  
CHANCE PRECIP (%) 0 0 0 0  
CHANCE OF THUNDER (%) 0 0 0 0  
TEMP (24H TREND) 62 (+2) 90 (+6) 67 89  
RH % (24H TREND) 78 (-20) 38 (-9) 71 38  
WIND 20FT/EARLY(MPH) LGT/VAR S 5 SW 5 SW 7 G19  
WIND 20FT/LATE(MPH) LGT/VAR SW 8 LGT/VAR SW 11 G21  
PRECIP AMOUNT 0.00 0.00 0.00 0.00  
PRECIP DURATION  
PRECIP BEGIN  
PRECIP END  
MIXING HGT(M-AGL/MSL) 2210 2190  
MIXING HGT(FT-AGL/MSL) 7270 7190  
TRANSPORT WND (MPH) SW 23 SW 22  
VENT RATE (KT-FT) 145400 136610  
CATEGORY DAY 5 5  
INVERSION 8PM 73F/9AM 8PM 74F/9AM  
DISPERSION 5 5  
MAX ADI EARLY 5 VERY POOR 78 GOOD 12 POOR 76 GOOD  
MAX ADI LATE 5 VERY POOR 171 VERY GOOD7 POOR 102 VERY GOOD  
MAX LVORI EARLY 3 3 3 3  
MAX LVORI LATE 4 1 3 1  
 
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.  
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.  
 

 
 
WVZ012-180815-  
WETZEL-  
INCLUDING THE CITY OF NEW MARTINSVILLE  
1212 PM EDT SUN MAY 17 2026  
 
TONIGHT MON MON NIGHT TUE  
 
CLOUD COVER MCLEAR CLEAR PCLDY MCLEAR  
PRECIP TYPE NONE NONE NONE NONE  
CHANCE PRECIP (%) 0 0 0 0  
CHANCE OF THUNDER (%) 0 0 0 0  
TEMP (24H TREND) 62 (+3) 90 (+6) 67 89  
RH % (24H TREND) 79 (-17) 36 (-10) 71 37  
WIND 20FT/EARLY(MPH) LGT/VAR LGT/VAR LGT/VAR SW 6 G19  
WIND 20FT/LATE(MPH) LGT/VAR SW 6 LGT/VAR SW 9 G20  
PRECIP AMOUNT 0.00 0.00 0.00 0.00  
PRECIP DURATION  
PRECIP BEGIN  
PRECIP END  
MIXING HGT(M-AGL/MSL) 2260 2460  
MIXING HGT(FT-AGL/MSL) 7430 8080  
TRANSPORT WND (MPH) SW 22 SW 21  
VENT RATE (KT-FT) 141170 145440  
CATEGORY DAY 5 5  
INVERSION 8PM 72F/9AM 8PM 73F/9AM  
DISPERSION 5 5  
MAX ADI EARLY 5 VERY POOR 75 GOOD 12 POOR 97 GOOD  
MAX ADI LATE 5 VERY POOR 169 VERY GOOD7 POOR 137 VERY GOOD  
MAX LVORI EARLY 3 4 3 3  
MAX LVORI LATE 4 1 3 1  
 
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.  
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.  
 

 
 
WVZ021-180815-  
MARION-  
INCLUDING THE CITY OF FAIRMONT  
1212 PM EDT SUN MAY 17 2026  
 
TONIGHT MON MON NIGHT TUE  
 
CLOUD COVER MCLEAR CLEAR PCLDY MCLEAR  
PRECIP TYPE NONE NONE NONE NONE  
CHANCE PRECIP (%) 0 0 0 0  
CHANCE OF THUNDER (%) 0 0 0 0  
TEMP (24H TREND) 60 (+3) 89 (+5) 64 89  
RH % (24H TREND) 85 (-13) 39 (-9) 75 37  
WIND 20FT/EARLY(MPH) LGT/VAR LGT/VAR LGT/VAR SW 5 G17  
WIND 20FT/LATE(MPH) LGT/VAR SW 6 LGT/VAR SW 10 G19  
PRECIP AMOUNT 0.00 0.00 0.00 0.00  
PRECIP DURATION  
PRECIP BEGIN  
PRECIP END  
MIXING HGT(M-AGL/MSL) 2180 2430  
MIXING HGT(FT-AGL/MSL) 7140 7980  
TRANSPORT WND (MPH) SW 21 SW 21  
VENT RATE (KT-FT) 128520 143640  
CATEGORY DAY 5 5  
INVERSION 8PM 72F/9AM 8PM 72F/9AM  
DISPERSION 5 5  
MAX ADI EARLY 5 VERY POOR 76 GOOD 8 POOR 102 VERY GOOD  
MAX ADI LATE 4 VERY POOR 159 VERY GOOD6 VERY POOR 149 VERY GOOD  
MAX LVORI EARLY 3 4 3 3  
MAX LVORI LATE 5 1 3 1  
 
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.  
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.  
 

 
 
WVZ509-180815-  
MONONGALIA-  
INCLUDING THE CITY OF MORGANTOWN  
1212 PM EDT SUN MAY 17 2026  
 
TONIGHT MON MON NIGHT TUE  
 
CLOUD COVER MCLEAR CLEAR MCLEAR MCLEAR  
PRECIP TYPE NONE NONE NONE NONE  
CHANCE PRECIP (%) 0 0 0 0  
CHANCE OF THUNDER (%) 0 0 0 0  
TEMP (24H TREND) 62 (+3) 89 (+6) 66 89  
RH % (24H TREND) 81 (-16) 38 (-11) 73 37  
WIND 20FT/EARLY(MPH) LGT/VAR LGT/VAR LGT/VAR SW 6 G17  
WIND 20FT/LATE(MPH) LGT/VAR SW 6 LGT/VAR SW 10 G19  
PRECIP AMOUNT 0.00 0.00 0.00 0.00  
PRECIP DURATION  
PRECIP BEGIN  
PRECIP END  
MIXING HGT(M-AGL/MSL) 2150 2440  
MIXING HGT(FT-AGL/MSL) 7040 8000  
TRANSPORT WND (MPH) SW 21 SW 21  
VENT RATE (KT-FT) 126720 144000  
CATEGORY DAY 5 5  
INVERSION 7PM 73F/9AM 8PM 74F/9AM  
DISPERSION 5 5  
MAX ADI EARLY 4 VERY POOR 70 GOOD 7 POOR 100 GOOD  
MAX ADI LATE 4 VERY POOR 151 VERY GOOD7 POOR 151 VERY GOOD  
MAX LVORI EARLY 3 4 3 3  
MAX LVORI LATE 4 1 3 1  
 
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.  
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.  
 

 
 
WVZ510-180815-  
RIDGES OF EASTERN MONONGALIA AND NORTHWESTERN PRESTON-  
INCLUDING THE CITY OF COOPERS ROCK  
1212 PM EDT SUN MAY 17 2026  
 
TONIGHT MON MON NIGHT TUE  
 
CLOUD COVER MCLEAR CLEAR MCLEAR MCLEAR  
PRECIP TYPE NONE NONE NONE NONE  
CHANCE PRECIP (%) 0 0 0 0  
CHANCE OF THUNDER (%) 0 0 0 0  
TEMP (24H TREND) 61 (+3) 86 (+6) 63 86  
RH % (24H TREND) 80 (-20) 40 (-10) 73 38  
WIND 20FT/EARLY(MPH) LGT/VAR LGT/VAR LGT/VAR SW 5  
WIND 20FT/LATE(MPH) LGT/VAR SW 5 LGT/VAR SW 8 G17  
PRECIP AMOUNT 0.00 0.00 0.00 0.00  
PRECIP DURATION  
PRECIP BEGIN  
PRECIP END  
MIXING HGT(M-AGL/MSL) 1850 2210  
MIXING HGT(FT-AGL/MSL) 6080 7260  
TRANSPORT WND (MPH) SW 18 SW 21  
VENT RATE (KT-FT) 97280 130680  
CATEGORY DAY 4 5  
INVERSION 7PM 72F/9AM 8PM 72F/9AM  
DISPERSION 4 5  
MAX ADI EARLY 4 VERY POOR 61 GOOD 7 POOR 99 GOOD  
MAX ADI LATE 4 VERY POOR 129 VERY GOOD6 VERY POOR 156 VERY GOOD  
MAX LVORI EARLY 3 4 3 3  
MAX LVORI LATE 4 1 3 1  
 
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.  
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.  
 

 
 
WVZ511-180815-  
PRESTON-  
INCLUDING THE CITIES OF KINGWOOD AND BRUCETON MILLS  
1212 PM EDT SUN MAY 17 2026  
 
TONIGHT MON MON NIGHT TUE  
 
CLOUD COVER MCLEAR CLEAR MCLEAR MCLEAR  
PRECIP TYPE NONE NONE NONE NONE  
CHANCE PRECIP (%) 0 0 0 0  
CHANCE OF THUNDER (%) 0 0 0 0  
TEMP (24H TREND) 61 (+3) 87 (+6) 64 86  
RH % (24H TREND) 80 (-19) 40 (-9) 74 38  
WIND 20FT/EARLY(MPH) LGT/VAR LGT/VAR LGT/VAR LGT/VAR  
WIND 20FT/LATE(MPH) LGT/VAR LGT/VAR LGT/VAR SW 8 G17  
PRECIP AMOUNT 0.00 0.00 0.00 0.00  
PRECIP DURATION  
PRECIP BEGIN  
PRECIP END  
MIXING HGT(M-AGL/MSL) 1780 2130  
MIXING HGT(FT-AGL/MSL) 5850 6980  
TRANSPORT WND (MPH) SW 17 SW 20  
VENT RATE (KT-FT) 87750 118660  
CATEGORY DAY 4 5  
INVERSION 7PM 73F/9AM 7PM 72F/9AM  
DISPERSION 4 5  
MAX ADI EARLY 4 VERY POOR 62 GOOD 6 VERY POOR 100 GOOD  
MAX ADI LATE 4 VERY POOR 119 VERY GOOD5 VERY POOR 144 VERY GOOD  
MAX LVORI EARLY 3 4 3 3  
MAX LVORI LATE 4 1 3 1  
 
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.  
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.  
 

 
 
WVZ512-180815-  
EASTERN PRESTON-  
INCLUDING THE CITIES OF TERRA ALTA, ROWLESBURG, AND HAZELTON  
1212 PM EDT SUN MAY 17 2026  
 
TONIGHT MON MON NIGHT TUE  
 
CLOUD COVER MCLEAR MCLEAR PCLDY MCLEAR  
PRECIP TYPE NONE NONE NONE NONE  
CHANCE PRECIP (%) 0 0 0 0  
CHANCE OF THUNDER (%) 0 0 0 0  
TEMP (24H TREND) 60 (+3) 85 (+6) 63 84  
RH % (24H TREND) 79 (-19) 41 (-11) 72 38  
WIND 20FT/EARLY(MPH) LGT/VAR LGT/VAR LGT/VAR SW 5 G17  
WIND 20FT/LATE(MPH) LGT/VAR LGT/VAR LGT/VAR SW 8 G17  
PRECIP AMOUNT 0.00 0.00 0.00 0.00  
PRECIP DURATION  
PRECIP BEGIN  
PRECIP END  
MIXING HGT(M-AGL/MSL) 1870 2000  
MIXING HGT(FT-AGL/MSL) 6130 6560  
TRANSPORT WND (MPH) SW 16 SW 20  
VENT RATE (KT-FT) 85820 111520  
CATEGORY DAY 4 5  
INVERSION 8PM 71F/9AM 8PM 71F/9AM  
DISPERSION 4 5  
MAX ADI EARLY 4 VERY POOR 66 GOOD 6 VERY POOR 102 VERY GOOD  
MAX ADI LATE 5 VERY POOR 119 VERY GOOD6 VERY POOR 137 VERY GOOD  
MAX LVORI EARLY 3 4 3 3  
MAX LVORI LATE 4 1 3 1  
 
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.  
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.  
 

 
 
WVZ513-180815-  
WESTERN TUCKER-  
INCLUDING THE CITIES OF PARSONS, HENDRICKS, AND SAINT GEORGE  
1212 PM EDT SUN MAY 17 2026  
 
TONIGHT MON MON NIGHT TUE  
 
CLOUD COVER MCLEAR MCLEAR PCLDY MCLEAR  
PRECIP TYPE NONE NONE SHOWERS NONE  
CHANCE PRECIP (%) 0 0 30 0  
CHANCE OF THUNDER (%) 0 0 0 0  
TEMP (24H TREND) 60 (+3) 87 (+6) 62 86  
RH % (24H TREND) 79 (-17) 39 (-6) 71 34  
WIND 20FT/EARLY(MPH) LGT/VAR LGT/VAR LGT/VAR LGT/VAR  
WIND 20FT/LATE(MPH) LGT/VAR LGT/VAR LGT/VAR SW 8 G17  
PRECIP AMOUNT 0.00 0.00 0.02 0.00  
PRECIP DURATION 0  
PRECIP BEGIN 8 PM  
PRECIP END 11 PM  
MIXING HGT(M-AGL/MSL) 2010 2030  
MIXING HGT(FT-AGL/MSL) 6580 6650  
TRANSPORT WND (MPH) SW 15 SW 20  
VENT RATE (KT-FT) 85540 113050  
CATEGORY DAY 4 5  
INVERSION 8PM 71F/9AM 7PM 71F/9AM  
DISPERSION 4 5  
MAX ADI EARLY 4 VERY POOR 65 GOOD 5 VERY POOR 104 VERY GOOD  
MAX ADI LATE 4 VERY POOR 120 VERY GOOD6 VERY POOR 139 VERY GOOD  
MAX LVORI EARLY 3 4 3 3  
MAX LVORI LATE 4 1 3 1  
 
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.  
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.  
 

 
 
WVZ514-180815-  
EASTERN TUCKER-  
INCLUDING THE CITIES OF DAVIS, THOMAS, AND CANAAN VALLEY  
1212 PM EDT SUN MAY 17 2026  
 
TONIGHT MON MON NIGHT TUE  
 
CLOUD COVER MCLEAR MCLEAR PCLDY MCLEAR  
PRECIP TYPE NONE NONE SHOWERS NONE  
CHANCE PRECIP (%) 0 0 30 0  
CHANCE OF THUNDER (%) 0 0 0 0  
TEMP (24H TREND) 58 (+2) 83 (+6) 61 83  
RH % (24H TREND) 77 (-19) 42 (-7) 71 37  
WIND 20FT/EARLY(MPH) LGT/VAR LGT/VAR LGT/VAR W 5 G21  
WIND 20FT/LATE(MPH) LGT/VAR LGT/VAR LGT/VAR W 8 G21  
PRECIP AMOUNT 0.00 0.00 0.01 0.00  
PRECIP DURATION 1  
PRECIP BEGIN 6 PM  
PRECIP END 11 PM  
MIXING HGT(M-AGL/MSL) 2020 2070  
MIXING HGT(FT-AGL/MSL) 6630 6800  
TRANSPORT WND (MPH) SW 14 W 20  
VENT RATE (KT-FT) 79560 115600  
CATEGORY DAY 4 5  
INVERSION 8PM 70F/9AM 8PM 70F/9AM  
DISPERSION 4 5  
MAX ADI EARLY 5 VERY POOR 60 GEN GOOD 8 POOR 103 VERY GOOD  
MAX ADI LATE 5 VERY POOR 106 VERY GOOD9 POOR 142 VERY GOOD  
MAX LVORI EARLY 3 4 3 3  
MAX LVORI LATE 4 1 3 1  
 
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.  
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.  
 

 
   
FORECAST FOR DAYS 3 THROUGH 7
 
   
WEDNESDAY
 
SHOWERS AND A CHANCE OF THUNDERSTORMS. LOWS IN THE  
MID 60S. HIGHS IN THE MID 70S. SOUTHWEST WINDS AROUND 10 MPH.    
THURSDAY
 
MOSTLY CLOUDY. LOWS IN THE UPPER 40S. HIGHS IN THE  
UPPER 60S. NORTHEAST WINDS 5 TO 10 MPH.    
FRIDAY
 
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS. LOWS IN THE  
LOWER 50S. HIGHS IN THE LOWER 70S. SOUTHEAST WINDS 10 TO 15 MPH.    
SATURDAY
 
MOSTLY CLOUDY WITH SHOWERS LIKELY. LOWS IN THE MID  
50S. HIGHS IN THE MID 70S. SOUTH WINDS 10 TO 15 MPH.    
SUNDAY
 
MOSTLY CLOUDY WITH SHOWERS LIKELY AND A CHANCE OF  
THUNDERSTORMS. LOWS AROUND 60. HIGHS IN THE UPPER 70S. SOUTH  
WINDS 5 TO 10 MPH.  
 

 
MILCAREK  
 
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