617
FNUS51 KPBZ 180519
FWFPBZ
FIRE WEATHER PLANNING FORECAST
NATIONAL WEATHER SERVICE PITTSBURGH PA
119 AM EDT WED MAR 18 2026
DISCUSSION
TODAY WILL BE DRY WITH MINIMUM RELATIVE HUMIDITY BETWEEN 30%-40%,
HOWEVER, WIND WILL REMAIN LIGHT THROUGH THE FIRST HALF OF THE DAY.
DURING THE AFTERNOON, WIND WILL INCREASE UP TO 5-10 MPH OUT OF THE
SOUTH, HOWEVER, IT WILL SLIGHTLY WEAKEN OVERNIGHT WITH THE LOSS OF
DAYTIME HEATING. OVERNIGHT, THERE IS A SLIGHT CHANCE FOR SPOTTY
SHOWERS ALONG THE RIDGES.
BY THURSDAY, WIND WILL GRADUALLY SHIFT OUT OF THE SOUTHWEST AT
5-10 MPH WITH AN INCREASE CHANCE FOR SHOWERS DUE TO A WEAK
DISTURBANCE MOVING THROUGH THE REGION.
OHZ039-182030-
TUSCARAWAS-
INCLUDING THE CITIES OF NEW PHILADELPHIA AND DOVER
119 AM EDT WED MAR 18 2026
TODAY TONIGHT THU
CLOUD COVER PCLDY MCLDY MCLDY
PRECIP TYPE NONE NONE RAIN
CHANCE PRECIP (%) 0 0 40
CHANCE OF THUNDER (%) 0 0 0
TEMP (24H TREND) 38 (+9) 31 (+13) 51
RH % (24H TREND) 40 (-5) 82 (+12) 57
WIND 20FT/EARLY(MPH) LGT/VAR S 5 S 5
WIND 20FT/LATE(MPH) S 8 S 5 SW 6
PRECIP AMOUNT 0.00 0.00 0.01
PRECIP DURATION 1
PRECIP BEGIN 8 AM
PRECIP END CONTINUING
MIXING HGT(M-AGL/MSL) 1210 640
MIXING HGT(FT-AGL/MSL)3970 2100
TRANSPORT WND (MPH) S 20 SW 20
VENT RATE (KT-FT) 67490 35700
CATEGORY DAY 4 3
INVERSION 22F/9AM 8PM 40F/10AM
DISPERSION 4 3
MAX ADI EARLY 57 GEN GOOD 25 FAIR 22 FAIR
MAX ADI LATE 53 GEN GOOD 8 POOR 37 FAIR
MAX LVORI EARLY 3 3 4
MAX LVORI LATE 1 4 3
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
OHZ040-182030-
CARROLL-
INCLUDING THE CITIES OF CARROLLTON AND MALVERN
119 AM EDT WED MAR 18 2026
TODAY TONIGHT THU
CLOUD COVER PCLDY MCLDY MCLDY
PRECIP TYPE NONE NONE RAIN
CHANCE PRECIP (%) 0 0 40
CHANCE OF THUNDER (%) 0 0 0
TEMP (24H TREND) 37 (+9) 31 (+14) 51
RH % (24H TREND) 39 (-6) 80 (+11) 58
WIND 20FT/EARLY(MPH) S 5 S 6 S 6
WIND 20FT/LATE(MPH) S 9 S 6 SW 7
PRECIP AMOUNT 0.00 0.00 0.01
PRECIP DURATION 1
PRECIP BEGIN 8 AM
PRECIP END CONTINUING
MIXING HGT(M-AGL/MSL) 1180 620
MIXING HGT(FT-AGL/MSL)3860 2040
TRANSPORT WND (MPH) S 18 SW 20
VENT RATE (KT-FT) 61760 34680
CATEGORY DAY 4 3
INVERSION 22F/9AM 8PM 42F/11AM
DISPERSION 4 3
MAX ADI EARLY 56 GEN GOOD 25 FAIR 22 FAIR
MAX ADI LATE 52 GEN GOOD 9 POOR 37 FAIR
MAX LVORI EARLY 3 3 4
MAX LVORI LATE 1 4 3
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
OHZ041-182030-
COLUMBIANA-
INCLUDING THE CITIES OF EAST LIVERPOOL, SALEM, AND COLUMBIANA
119 AM EDT WED MAR 18 2026
TODAY TONIGHT THU
CLOUD COVER PCLDY MCLDY MCLDY
PRECIP TYPE NONE NONE RAIN
CHANCE PRECIP (%) 0 0 40
CHANCE OF THUNDER (%) 0 0 0
TEMP (24H TREND) 37 (+9) 31 (+14) 50
RH % (24H TREND) 38 (-8) 81 (+10) 58
WIND 20FT/EARLY(MPH) LGT/VAR S 5 S 6
WIND 20FT/LATE(MPH) S 8 S 5 SW 6
PRECIP AMOUNT 0.00 0.00 0.01
PRECIP DURATION 1
PRECIP BEGIN 8 AM
PRECIP END CONTINUING
MIXING HGT(M-AGL/MSL) 1240 630
MIXING HGT(FT-AGL/MSL)4070 2070
TRANSPORT WND (MPH) S 18 SW 20
VENT RATE (KT-FT) 65120 35190
CATEGORY DAY 4 3
INVERSION 21F/9AM 8PM 42F/11AM
DISPERSION 4 3
MAX ADI EARLY 55 GEN GOOD 25 FAIR 22 FAIR
MAX ADI LATE 52 GEN GOOD 8 POOR 37 FAIR
MAX LVORI EARLY 3 3 4
MAX LVORI LATE 1 4 3
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
OHZ048-182030-
COSHOCTON-
INCLUDING THE CITY OF COSHOCTON
119 AM EDT WED MAR 18 2026
TODAY TONIGHT THU
CLOUD COVER PCLDY MCLDY MCLDY
PRECIP TYPE NONE NONE RAIN
CHANCE PRECIP (%) 0 0 40
CHANCE OF THUNDER (%) 0 0 0
TEMP (24H TREND) 38 (+9) 31 (+13) 52
RH % (24H TREND) 42 (-2) 85 (+16) 59
WIND 20FT/EARLY(MPH) LGT/VAR S 5 LGT/VAR
WIND 20FT/LATE(MPH) S 7 LGT/VAR SW 5
PRECIP AMOUNT 0.00 0.00 0.01
PRECIP DURATION 2
PRECIP BEGIN 8 AM
PRECIP END CONTINUING
MIXING HGT(M-AGL/MSL) 1220 620
MIXING HGT(FT-AGL/MSL)3990 2050
TRANSPORT WND (MPH) S 18 SW 18
VENT RATE (KT-FT) 63840 32800
CATEGORY DAY 4 3
INVERSION 23F/9AM 8PM 40F/10AM
DISPERSION 4 3
MAX ADI EARLY 54 GEN GOOD 12 POOR 22 FAIR
MAX ADI LATE 53 GEN GOOD 8 POOR 35 FAIR
MAX LVORI EARLY 3 4 4
MAX LVORI LATE 1 4 3
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
OHZ049-182030-
HARRISON-
INCLUDING THE CITY OF CADIZ
119 AM EDT WED MAR 18 2026
TODAY TONIGHT THU
CLOUD COVER PCLDY MCLDY MCLDY
PRECIP TYPE NONE NONE RAIN
CHANCE PRECIP (%) 0 0 40
CHANCE OF THUNDER (%) 0 0 0
TEMP (24H TREND) 38 (+8) 31 (+14) 51
RH % (24H TREND) 38 (-6) 80 (+10) 55
WIND 20FT/EARLY(MPH) LGT/VAR S 5 S 5
WIND 20FT/LATE(MPH) S 7 S 5 SW 6
PRECIP AMOUNT 0.00 0.00 0.01
PRECIP DURATION 1
PRECIP BEGIN 8 AM
PRECIP END CONTINUING
MIXING HGT(M-AGL/MSL) 1180 610
MIXING HGT(FT-AGL/MSL)3870 2000
TRANSPORT WND (MPH) S 18 SW 20
VENT RATE (KT-FT) 61920 34000
CATEGORY DAY 4 3
INVERSION 22F/9AM 8PM 40F/10AM
DISPERSION 4 3
MAX ADI EARLY 50 GEN GOOD 13 GEN POOR 22 FAIR
MAX ADI LATE 49 GEN GOOD 8 POOR 36 FAIR
MAX LVORI EARLY 3 3 4
MAX LVORI LATE 1 4 3
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
OHZ050-182030-
JEFFERSON OH-
INCLUDING THE CITY OF STEUBENVILLE
119 AM EDT WED MAR 18 2026
TODAY TONIGHT THU
CLOUD COVER PCLDY MCLDY MCLDY
PRECIP TYPE NONE NONE RAIN
CHANCE PRECIP (%) 0 0 40
CHANCE OF THUNDER (%) 0 0 0
TEMP (24H TREND) 38 (+9) 31 (+13) 51
RH % (24H TREND) 35 (-9) 78 (+10) 54
WIND 20FT/EARLY(MPH) LGT/VAR S 5 S 5
WIND 20FT/LATE(MPH) S 7 S 5 SW 6
PRECIP AMOUNT 0.00 0.00 0.00
PRECIP DURATION 1
PRECIP BEGIN 8 AM
PRECIP END CONTINUING
MIXING HGT(M-AGL/MSL) 1240 620
MIXING HGT(FT-AGL/MSL)4060 2040
TRANSPORT WND (MPH) S 17 SW 20
VENT RATE (KT-FT) 60900 34680
CATEGORY DAY 4 3
INVERSION 22F/9AM 8PM 40F/10AM
DISPERSION 4 3
MAX ADI EARLY 48 GEN GOOD 12 POOR 22 FAIR
MAX ADI LATE 53 GEN GOOD 8 POOR 36 FAIR
MAX LVORI EARLY 3 3 4
MAX LVORI LATE 1 3 3
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
OHZ057-182030-
MUSKINGUM-
INCLUDING THE CITY OF ZANESVILLE
119 AM EDT WED MAR 18 2026
TODAY TONIGHT THU
CLOUD COVER PCLDY MCLDY MCLDY
PRECIP TYPE NONE NONE RAIN
CHANCE PRECIP (%) 0 0 30
CHANCE OF THUNDER (%) 0 0 0
TEMP (24H TREND) 39 (+9) 32 (+14) 54
RH % (24H TREND) 42 (-2) 83 (+14) 56
WIND 20FT/EARLY(MPH) LGT/VAR S 5 LGT/VAR
WIND 20FT/LATE(MPH) S 7 LGT/VAR SW 5
PRECIP AMOUNT 0.00 0.00 0.01
PRECIP DURATION 1
PRECIP BEGIN 8 AM
PRECIP END CONTINUING
MIXING HGT(M-AGL/MSL) 1200 570
MIXING HGT(FT-AGL/MSL)3930 1860
TRANSPORT WND (MPH) S 18 SW 18
VENT RATE (KT-FT) 62880 29760
CATEGORY DAY 4 3
INVERSION 23F/9AM 8PM 40F/10AM
DISPERSION 4 3
MAX ADI EARLY 48 GEN GOOD 12 POOR 23 FAIR
MAX ADI LATE 53 GEN GOOD 8 POOR 33 FAIR
MAX LVORI EARLY 3 3 4
MAX LVORI LATE 1 4 3
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
OHZ058-182030-
GUERNSEY-
INCLUDING THE CITY OF CAMBRIDGE
119 AM EDT WED MAR 18 2026
TODAY TONIGHT THU
CLOUD COVER PCLDY MCLDY MCLDY
PRECIP TYPE NONE NONE RAIN
CHANCE PRECIP (%) 0 0 30
CHANCE OF THUNDER (%) 0 0 0
TEMP (24H TREND) 39 (+9) 32 (+14) 53
RH % (24H TREND) 39 (-5) 81 (+10) 55
WIND 20FT/EARLY(MPH) LGT/VAR LGT/VAR LGT/VAR
WIND 20FT/LATE(MPH) S 6 LGT/VAR SW 5
PRECIP AMOUNT 0.00 0.00 0.00
PRECIP DURATION 1
PRECIP BEGIN 11 AM
PRECIP END CONTINUING
MIXING HGT(M-AGL/MSL) 1190 600
MIXING HGT(FT-AGL/MSL)3910 1970
TRANSPORT WND (MPH) S 18 SW 18
VENT RATE (KT-FT) 62560 31520
CATEGORY DAY 4 3
INVERSION 23F/9AM 8PM 41F/10AM
DISPERSION 4 3
MAX ADI EARLY 52 GEN GOOD 12 POOR 23 FAIR
MAX ADI LATE 52 GEN GOOD 8 POOR 35 FAIR
MAX LVORI EARLY 3 3 4
MAX LVORI LATE 1 4 3
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
OHZ059-182030-
BELMONT-
INCLUDING THE CITIES OF MARTINS FERRY AND ST. CLAIRSVILLE
119 AM EDT WED MAR 18 2026
TODAY TONIGHT THU
CLOUD COVER PCLDY MCLDY MCLDY
PRECIP TYPE NONE NONE RAIN
CHANCE PRECIP (%) 0 0 30
CHANCE OF THUNDER (%) 0 0 0
TEMP (24H TREND) 39 (+9) 31 (+13) 52
RH % (24H TREND) 37 (-9) 80 (+9) 55
WIND 20FT/EARLY(MPH) LGT/VAR S 5 S 5
WIND 20FT/LATE(MPH) S 7 S 5 SW 6
PRECIP AMOUNT 0.00 0.00 0.00
PRECIP DURATION 1
PRECIP BEGIN 2 PM
PRECIP END CONTINUING
MIXING HGT(M-AGL/MSL) 1230 600
MIXING HGT(FT-AGL/MSL)4040 1960
TRANSPORT WND (MPH) S 17 SW 20
VENT RATE (KT-FT) 60600 33320
CATEGORY DAY 4 3
INVERSION 22F/9AM 7PM 40F/10AM
DISPERSION 4 3
MAX ADI EARLY 46 GEN GOOD 12 POOR 22 FAIR
MAX ADI LATE 52 GEN GOOD 8 POOR 35 FAIR
MAX LVORI EARLY 3 3 4
MAX LVORI LATE 1 4 3
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
OHZ068-182030-
NOBLE-
INCLUDING THE CITY OF CALDWELL
119 AM EDT WED MAR 18 2026
TODAY TONIGHT THU
CLOUD COVER PCLDY MCLDY MCLDY
PRECIP TYPE NONE NONE RAIN
CHANCE PRECIP (%) 0 0 30
CHANCE OF THUNDER (%) 0 0 0
TEMP (24H TREND) 40 (+10) 32 (+14) 54
RH % (24H TREND) 39 (-5) 81 (+9) 55
WIND 20FT/EARLY(MPH) LGT/VAR LGT/VAR LGT/VAR
WIND 20FT/LATE(MPH) S 6 LGT/VAR SW 5
PRECIP AMOUNT 0.00 0.00 0.00
PRECIP DURATION 1
PRECIP BEGIN 2 PM
PRECIP END CONTINUING
MIXING HGT(M-AGL/MSL) 1170 560
MIXING HGT(FT-AGL/MSL)3850 1850
TRANSPORT WND (MPH) S 17 SW 18
VENT RATE (KT-FT) 57750 29600
CATEGORY DAY 4 3
INVERSION 23F/9AM 8PM 41F/10AM
DISPERSION 4 3
MAX ADI EARLY 48 GEN GOOD 12 POOR 24 FAIR
MAX ADI LATE 48 GEN GOOD 7 POOR 32 FAIR
MAX LVORI EARLY 3 3 4
MAX LVORI LATE 1 4 3
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
OHZ069-182030-
MONROE-
INCLUDING THE CITY OF WOODSFIELD
119 AM EDT WED MAR 18 2026
TODAY TONIGHT THU
CLOUD COVER PCLDY MCLDY MCLDY
PRECIP TYPE NONE NONE RAIN
CHANCE PRECIP (%) 0 0 30
CHANCE OF THUNDER (%) 0 0 0
TEMP (24H TREND) 40 (+10) 32 (+14) 54
RH % (24H TREND) 37 (-7) 79 (+7) 54
WIND 20FT/EARLY(MPH) LGT/VAR LGT/VAR LGT/VAR
WIND 20FT/LATE(MPH) S 6 LGT/VAR SW 5
PRECIP AMOUNT 0.00 0.00 0.00
PRECIP DURATION 1
PRECIP BEGIN 2 PM
PRECIP END CONTINUING
MIXING HGT(M-AGL/MSL) 1270 630
MIXING HGT(FT-AGL/MSL)4160 2070
TRANSPORT WND (MPH) S 16 SW 18
VENT RATE (KT-FT) 58240 33120
CATEGORY DAY 4 3
INVERSION 23F/9AM 8PM 41F/10AM
DISPERSION 4 3
MAX ADI EARLY 45 GEN GOOD 11 POOR 23 FAIR
MAX ADI LATE 47 GEN GOOD 8 POOR 34 FAIR
MAX LVORI EARLY 3 3 4
MAX LVORI LATE 1 3 3
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
PAZ007-182030-
MERCER-
INCLUDING THE CITIES OF SHARON, HERMITAGE, AND GROVE CITY
119 AM EDT WED MAR 18 2026
TODAY TONIGHT THU
CLOUD COVER PCLDY MCLDY MCLDY
PRECIP TYPE NONE NONE RAIN
CHANCE PRECIP (%) 0 0 40
CHANCE OF THUNDER (%) 0 0 0
TEMP (24H TREND) 36 (+9) 28 (+12) 49
RH % (24H TREND) 41 (-12) 85 (+6) 62
WIND 20FT/EARLY(MPH) S 5 S 6 S 6
WIND 20FT/LATE(MPH) S 9 S 6 SW 7
PRECIP AMOUNT 0.00 0.00 0.02
PRECIP DURATION 1
PRECIP BEGIN 8 AM
PRECIP END CONTINUING
MIXING HGT(M-AGL/MSL) 1290 580
MIXING HGT(FT-AGL/MSL)4230 1900
TRANSPORT WND (MPH) S 20 S 20
VENT RATE (KT-FT) 71910 32300
CATEGORY DAY 4 3
INVERSION 19F/9AM 8PM 40F/11AM
DISPERSION 4 3
MAX ADI EARLY 55 GEN GOOD 25 FAIR 21 FAIR
MAX ADI LATE 55 GEN GOOD 8 POOR 35 FAIR
MAX LVORI EARLY 4 3 4
MAX LVORI LATE 1 4 3
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
PAZ008-182030-
VENANGO-
INCLUDING THE CITIES OF OIL CITY AND FRANKLIN
119 AM EDT WED MAR 18 2026
TODAY TONIGHT THU
CLOUD COVER PCLDY MCLDY MCLDY
PRECIP TYPE NONE NONE SNOW/RAIN
CHANCE PRECIP (%) 0 0 40
CHANCE OF THUNDER (%) 0 0 0
TEMP (24H TREND) 35 (+9) 28 (+13) 49
RH % (24H TREND) 41 (-12) 87 (+6) 65
WIND 20FT/EARLY(MPH) LGT/VAR S 5 LGT/VAR
WIND 20FT/LATE(MPH) S 7 S 5 SW 6
PRECIP AMOUNT 0.00 0.00 0.01
PRECIP DURATION 1
PRECIP BEGIN 8 AM
PRECIP END CONTINUING
MIXING HGT(M-AGL/MSL) 1370 640
MIXING HGT(FT-AGL/MSL)4490 2100
TRANSPORT WND (MPH) S 18 S 17
VENT RATE (KT-FT) 71840 31500
CATEGORY DAY 4 3
INVERSION 19F/9AM 8PM 31F/4AM
DISPERSION 4 3
MAX ADI EARLY 51 GEN GOOD 12 POOR 23 FAIR
MAX ADI LATE 58 GEN GOOD 9 POOR 33 FAIR
MAX LVORI EARLY 4 3 4
MAX LVORI LATE 1 4 3
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
PAZ009-182030-
FOREST-
INCLUDING THE CITY OF TIONESTA
119 AM EDT WED MAR 18 2026
TODAY TONIGHT THU
CLOUD COVER PCLDY MCLDY MCLDY
PRECIP TYPE NONE NONE SNOW/RAIN
CHANCE PRECIP (%) 0 0 40
CHANCE OF THUNDER (%) 0 0 0
TEMP (24H TREND) 35 (+9) 27 (+13) 46
RH % (24H TREND) 38 (-11) 85 (+3) 64
WIND 20FT/EARLY(MPH) LGT/VAR LGT/VAR LGT/VAR
WIND 20FT/LATE(MPH) S 6 LGT/VAR S 5
PRECIP AMOUNT 0.00 0.00 0.01
PRECIP DURATION 1
PRECIP BEGIN 7 AM
PRECIP END CONTINUING
MIXING HGT(M-AGL/MSL) 1400 680
MIXING HGT(FT-AGL/MSL)4600 2240
TRANSPORT WND (MPH) S 18 S 17
VENT RATE (KT-FT) 73600 33600
CATEGORY DAY 4 3
INVERSION 16F/8AM 9PM 30F/4AM
DISPERSION 4 3
MAX ADI EARLY 49 GEN GOOD 12 POOR 25 FAIR
MAX ADI LATE 59 GEN GOOD 9 POOR 33 FAIR
MAX LVORI EARLY 4 3 4
MAX LVORI LATE 1 4 3
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
PAZ013-182030-
LAWRENCE-
INCLUDING THE CITIES OF NEW CASTLE AND ELLWOOD CITY
119 AM EDT WED MAR 18 2026
TODAY TONIGHT THU
CLOUD COVER PCLDY MCLDY MCLDY
PRECIP TYPE NONE NONE RAIN
CHANCE PRECIP (%) 0 0 40
CHANCE OF THUNDER (%) 0 0 0
TEMP (24H TREND) 37 (+8) 29 (+13) 51
RH % (24H TREND) 38 (-12) 82 (+7) 58
WIND 20FT/EARLY(MPH) LGT/VAR LGT/VAR LGT/VAR
WIND 20FT/LATE(MPH) S 7 LGT/VAR SW 6
PRECIP AMOUNT 0.00 0.00 0.01
PRECIP DURATION 1
PRECIP BEGIN 8 AM
PRECIP END CONTINUING
MIXING HGT(M-AGL/MSL) 1320 570
MIXING HGT(FT-AGL/MSL)4330 1880
TRANSPORT WND (MPH) S 18 S 20
VENT RATE (KT-FT) 69280 31960
CATEGORY DAY 4 3
INVERSION 20F/9AM 8PM 39F/10AM
DISPERSION 4 3
MAX ADI EARLY 51 GEN GOOD 12 POOR 21 FAIR
MAX ADI LATE 55 GEN GOOD 8 POOR 34 FAIR
MAX LVORI EARLY 3 3 4
MAX LVORI LATE 1 4 3
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
PAZ014-182030-
BUTLER-
INCLUDING THE CITY OF BUTLER
119 AM EDT WED MAR 18 2026
TODAY TONIGHT THU
CLOUD COVER PCLDY MCLDY MCLDY
PRECIP TYPE NONE SNOW RAIN
CHANCE PRECIP (%) 0 20 40
CHANCE OF THUNDER (%) 0 0 0
TEMP (24H TREND) 36 (+7) 28 (+13) 50
RH % (24H TREND) 42 (-10) 84 (+5) 62
WIND 20FT/EARLY(MPH) LGT/VAR LGT/VAR LGT/VAR
WIND 20FT/LATE(MPH) S 6 LGT/VAR SW 6
PRECIP AMOUNT 0.00 0.00 0.01
PRECIP DURATION 0 1
PRECIP BEGIN 8 PM 11 AM
PRECIP END 6 AM CONTINUING
MIXING HGT(M-AGL/MSL) 1280 580
MIXING HGT(FT-AGL/MSL)4210 1890
TRANSPORT WND (MPH) S 17 S 17
VENT RATE (KT-FT) 63150 28350
CATEGORY DAY 4 3
INVERSION 19F/9AM 8PM 37F/10AM
DISPERSION 4 3
MAX ADI EARLY 47 GEN GOOD 11 POOR 21 FAIR
MAX ADI LATE 51 GEN GOOD 8 POOR 30 FAIR
MAX LVORI EARLY 4 3 4
MAX LVORI LATE 1 4 3
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
PAZ015-182030-
CLARION-
INCLUDING THE CITY OF CLARION
119 AM EDT WED MAR 18 2026
TODAY TONIGHT THU
CLOUD COVER PCLDY MCLDY MCLDY
PRECIP TYPE NONE NONE RAIN
CHANCE PRECIP (%) 0 0 40
CHANCE OF THUNDER (%) 0 0 0
TEMP (24H TREND) 35 (+8) 28 (+13) 49
RH % (24H TREND) 41 (-10) 83 (+3) 62
WIND 20FT/EARLY(MPH) LGT/VAR LGT/VAR LGT/VAR
WIND 20FT/LATE(MPH) S 6 LGT/VAR S 6
PRECIP AMOUNT 0.00 0.00 0.01
PRECIP DURATION 1
PRECIP BEGIN 6 AM
PRECIP END CONTINUING
MIXING HGT(M-AGL/MSL) 1360 630
MIXING HGT(FT-AGL/MSL)4450 2050
TRANSPORT WND (MPH) S 17 S 16
VENT RATE (KT-FT) 66750 28700
CATEGORY DAY 4 3
INVERSION 18F/9AM 8PM 36F/10AM
DISPERSION 4 3
MAX ADI EARLY 45 GEN GOOD 12 POOR 22 FAIR
MAX ADI LATE 70 GOOD 8 POOR 31 FAIR
MAX LVORI EARLY 4 3 4
MAX LVORI LATE 1 4 3
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
PAZ016-182030-
JEFFERSON PA-
INCLUDING THE CITIES OF PUNXSUTAWNEY AND BROOKVILLE
119 AM EDT WED MAR 18 2026
TODAY TONIGHT THU
CLOUD COVER PCLDY MCLDY MCLDY
PRECIP TYPE NONE NONE RAIN
CHANCE PRECIP (%) 0 0 40
CHANCE OF THUNDER (%) 0 0 0
TEMP (24H TREND) 35 (+9) 27 (+12) 47
RH % (24H TREND) 37 (-13) 81 (+3) 61
WIND 20FT/EARLY(MPH) LGT/VAR LGT/VAR LGT/VAR
WIND 20FT/LATE(MPH) S 6 LGT/VAR S 6
PRECIP AMOUNT 0.00 0.00 0.00
PRECIP DURATION 1
PRECIP BEGIN 8 AM
PRECIP END CONTINUING
MIXING HGT(M-AGL/MSL) 1410 670
MIXING HGT(FT-AGL/MSL)4640 2190
TRANSPORT WND (MPH) S 17 S 16
VENT RATE (KT-FT) 69600 30660
CATEGORY DAY 4 3
INVERSION 18F/9AM 8PM 33F/9AM
DISPERSION 4 3
MAX ADI EARLY 41 GEN GOOD 11 POOR 23 FAIR
MAX ADI LATE 72 GOOD 8 POOR 31 FAIR
MAX LVORI EARLY 4 3 4
MAX LVORI LATE 1 4 3
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
PAZ020-182030-
BEAVER-
INCLUDING THE CITIES OF ALIQUIPPA, BEAVER FALLS, AMBRIDGE,
AND MONACA
119 AM EDT WED MAR 18 2026
TODAY TONIGHT THU
CLOUD COVER PCLDY MCLDY MCLDY
PRECIP TYPE NONE NONE RAIN
CHANCE PRECIP (%) 0 0 40
CHANCE OF THUNDER (%) 0 0 0
TEMP (24H TREND) 37 (+8) 31 (+13) 51
RH % (24H TREND) 36 (-10) 80 (+9) 56
WIND 20FT/EARLY(MPH) LGT/VAR LGT/VAR LGT/VAR
WIND 20FT/LATE(MPH) S 6 LGT/VAR SW 6
PRECIP AMOUNT 0.00 0.00 0.00
PRECIP DURATION 1
PRECIP BEGIN 8 AM
PRECIP END CONTINUING
MIXING HGT(M-AGL/MSL) 1330 600
MIXING HGT(FT-AGL/MSL)4350 1980
TRANSPORT WND (MPH) S 17 SW 17
VENT RATE (KT-FT) 65250 29700
CATEGORY DAY 4 3
INVERSION 21F/9AM 8PM 40F/10AM
DISPERSION 4 3
MAX ADI EARLY 49 GEN GOOD 11 POOR 22 FAIR
MAX ADI LATE 54 GEN GOOD 6 VERY POOR 33 FAIR
MAX LVORI EARLY 3 3 4
MAX LVORI LATE 1 3 3
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
PAZ021-182030-
ALLEGHENY-
INCLUDING THE CITY OF PITTSBURGH METRO AREA
119 AM EDT WED MAR 18 2026
TODAY TONIGHT THU
CLOUD COVER PCLDY MCLDY MCLDY
PRECIP TYPE NONE NONE RAIN
CHANCE PRECIP (%) 0 0 30
CHANCE OF THUNDER (%) 0 0 0
TEMP (24H TREND) 38 (+8) 30 (+12) 52
RH % (24H TREND) 37 (-12) 82 (+8) 55
WIND 20FT/EARLY(MPH) LGT/VAR LGT/VAR S 5
WIND 20FT/LATE(MPH) S 6 LGT/VAR SW 6
PRECIP AMOUNT 0.00 0.00 0.00
PRECIP DURATION 1
PRECIP BEGIN 2 PM
PRECIP END CONTINUING
MIXING HGT(M-AGL/MSL) 1290 730
MIXING HGT(FT-AGL/MSL)4250 2390
TRANSPORT WND (MPH) S 16 SW 17
VENT RATE (KT-FT) 59500 35850
CATEGORY DAY 4 3
INVERSION 21F/9AM 7PM 40F/10AM
DISPERSION 4 3
MAX ADI EARLY 43 GEN GOOD 9 POOR 21 FAIR
MAX ADI LATE 48 GEN GOOD 7 POOR 36 FAIR
MAX LVORI EARLY 3 3 4
MAX LVORI LATE 1 4 3
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
PAZ022-182030-
ARMSTRONG-
INCLUDING THE CITIES OF KITTANNING AND FORD CITY
119 AM EDT WED MAR 18 2026
TODAY TONIGHT THU
CLOUD COVER PCLDY MCLDY MCLDY
PRECIP TYPE NONE NONE RAIN
CHANCE PRECIP (%) 0 0 40
CHANCE OF THUNDER (%) 0 0 0
TEMP (24H TREND) 36 (+7) 28 (+12) 51
RH % (24H TREND) 39 (-13) 83 (+4) 61
WIND 20FT/EARLY(MPH) LGT/VAR LGT/VAR LGT/VAR
WIND 20FT/LATE(MPH) S 6 LGT/VAR SW 6
PRECIP AMOUNT 0.00 0.00 0.00
PRECIP DURATION 1
PRECIP BEGIN 6 AM
PRECIP END CONTINUING
MIXING HGT(M-AGL/MSL) 1350 640
MIXING HGT(FT-AGL/MSL)4430 2090
TRANSPORT WND (MPH) S 16 SW 15
VENT RATE (KT-FT) 62020 27170
CATEGORY DAY 4 3
INVERSION 19F/9AM 7PM 37F/10AM
DISPERSION 4 3
MAX ADI EARLY 42 GEN GOOD 10 POOR 21 FAIR
MAX ADI LATE 64 GOOD 7 POOR 29 FAIR
MAX LVORI EARLY 4 3 4
MAX LVORI LATE 1 4 3
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
PAZ029-182030-
WASHINGTON-
INCLUDING THE CITIES OF WASHINGTON AND CANONSBURG
119 AM EDT WED MAR 18 2026
TODAY TONIGHT THU
CLOUD COVER PCLDY MCLDY MCLDY
PRECIP TYPE NONE NONE RAIN
CHANCE PRECIP (%) 0 0 30
CHANCE OF THUNDER (%) 0 0 0
TEMP (24H TREND) 38 (+8) 31 (+14) 53
RH % (24H TREND) 35 (-14) 78 (+6) 54
WIND 20FT/EARLY(MPH) LGT/VAR LGT/VAR S 6
WIND 20FT/LATE(MPH) S 6 S 5 SW 7
PRECIP AMOUNT 0.00 0.00 0.00
PRECIP DURATION 1
PRECIP BEGIN 2 PM
PRECIP END CONTINUING
MIXING HGT(M-AGL/MSL) 1270 760
MIXING HGT(FT-AGL/MSL)4180 2510
TRANSPORT WND (MPH) S 16 SW 20
VENT RATE (KT-FT) 58520 42670
CATEGORY DAY 4 3
INVERSION 21F/9AM 8PM 40F/10AM
DISPERSION 4 3
MAX ADI EARLY 42 GEN GOOD 10 POOR 25 FAIR
MAX ADI LATE 48 GEN GOOD 8 POOR 40 FAIR
MAX LVORI EARLY 3 3 4
MAX LVORI LATE 1 3 3
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
PAZ031-182030-
GREENE-
INCLUDING THE CITY OF WAYNESBURG
119 AM EDT WED MAR 18 2026
TODAY TONIGHT THU
CLOUD COVER PCLDY MCLDY MCLDY
PRECIP TYPE NONE NONE RAIN
CHANCE PRECIP (%) 0 0 30
CHANCE OF THUNDER (%) 0 0 0
TEMP (24H TREND) 39 (+9) 31 (+14) 53
RH % (24H TREND) 35 (-15) 78 (+5) 54
WIND 20FT/EARLY(MPH) LGT/VAR LGT/VAR LGT/VAR
WIND 20FT/LATE(MPH) S 5 LGT/VAR SW 6
PRECIP AMOUNT 0.00 0.00 0.00
PRECIP DURATION 1
PRECIP BEGIN 2 PM
PRECIP END CONTINUING
MIXING HGT(M-AGL/MSL) 1290 840
MIXING HGT(FT-AGL/MSL)4240 2740
TRANSPORT WND (MPH) S 16 SW 20
VENT RATE (KT-FT) 59360 46580
CATEGORY DAY 4 3
INVERSION 21F/9AM 8PM 41F/10AM
DISPERSION 4 3
MAX ADI EARLY 41 GEN GOOD 11 POOR 27 FAIR
MAX ADI LATE 53 GEN GOOD 8 POOR 42 GEN GOOD
MAX LVORI EARLY 3 3 4
MAX LVORI LATE 1 3 3
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
PAZ073-182030-
WESTMORELAND-
INCLUDING THE CITIES OF MURRYSVILLE, GREENSBURG, NEW KENSINGTON,
LOWER BURRELL, LATROBE, AND MONESSEN
119 AM EDT WED MAR 18 2026
TODAY TONIGHT THU
CLOUD COVER PCLDY MCLDY MCLDY
PRECIP TYPE NONE NONE RAIN
CHANCE PRECIP (%) 0 0 30
CHANCE OF THUNDER (%) 0 0 0
TEMP (24H TREND) 38 (+8) 30 (+14) 53
RH % (24H TREND) 36 (-16) 82 (+4) 56
WIND 20FT/EARLY(MPH) LGT/VAR LGT/VAR S 5
WIND 20FT/LATE(MPH) S 6 LGT/VAR SW 6
PRECIP AMOUNT 0.00 0.00 0.00
PRECIP DURATION 1
PRECIP BEGIN 2 PM
PRECIP END CONTINUING
MIXING HGT(M-AGL/MSL) 1330 800
MIXING HGT(FT-AGL/MSL)4370 2640
TRANSPORT WND (MPH) S 16 SW 17
VENT RATE (KT-FT) 61180 39600
CATEGORY DAY 4 3
INVERSION 21F/9AM 7PM 40F/10AM
DISPERSION 4 3
MAX ADI EARLY 39 FAIR 9 POOR 24 FAIR
MAX ADI LATE 57 GEN GOOD 8 POOR 38 FAIR
MAX LVORI EARLY 4 3 4
MAX LVORI LATE 1 4 3
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
PAZ074-182030-
HIGHER ELEVATIONS OF WESTMORELAND-
INCLUDING THE CITIES OF LIGONIER AND DONEGAL
119 AM EDT WED MAR 18 2026
TODAY TONIGHT THU
CLOUD COVER PCLDY MCLDY MCLDY
PRECIP TYPE NONE NONE RAIN
CHANCE PRECIP (%) 0 0 30
CHANCE OF THUNDER (%) 0 0 0
TEMP (24H TREND) 38 (+10) 30 (+14) 51
RH % (24H TREND) 33 (-19) 80 (+6) 53
WIND 20FT/EARLY(MPH) LGT/VAR LGT/VAR LGT/VAR
WIND 20FT/LATE(MPH) S 5 LGT/VAR SW 5
PRECIP AMOUNT 0.00 0.00 0.00
PRECIP DURATION 1
PRECIP BEGIN 2 PM
PRECIP END CONTINUING
MIXING HGT(M-AGL/MSL) 1500 930
MIXING HGT(FT-AGL/MSL)4920 3040
TRANSPORT WND (MPH) S 15 SW 14
VENT RATE (KT-FT) 63960 36480
CATEGORY DAY 4 3
INVERSION 20F/9AM 7PM 36F/9AM
DISPERSION 4 3
MAX ADI EARLY 36 FAIR 8 POOR 24 FAIR
MAX ADI LATE 62 GOOD 7 POOR 31 FAIR
MAX LVORI EARLY 3 3 4
MAX LVORI LATE 1 3 3
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
PAZ075-182030-
FAYETTE-
INCLUDING THE CITY OF UNIONTOWN
119 AM EDT WED MAR 18 2026
TODAY TONIGHT THU
CLOUD COVER PCLDY MCLDY MCLDY
PRECIP TYPE NONE NONE RAIN
CHANCE PRECIP (%) 0 0 30
CHANCE OF THUNDER (%) 0 0 0
TEMP (24H TREND) 40 (+10) 31 (+14) 54
RH % (24H TREND) 33 (-17) 78 (+4) 53
WIND 20FT/EARLY(MPH) LGT/VAR LGT/VAR LGT/VAR
WIND 20FT/LATE(MPH) S 5 LGT/VAR SW 6
PRECIP AMOUNT 0.00 0.00 0.00
PRECIP DURATION 1
PRECIP BEGIN 2 PM
PRECIP END CONTINUING
MIXING HGT(M-AGL/MSL) 1350 920
MIXING HGT(FT-AGL/MSL)4440 3000
TRANSPORT WND (MPH) S 16 SW 17
VENT RATE (KT-FT) 62160 45000
CATEGORY DAY 4 3
INVERSION 19F/8AM 7PM 35F/4AM
DISPERSION 4 3
MAX ADI EARLY 41 GEN GOOD 9 POOR 29 FAIR
MAX ADI LATE 47 GEN GOOD 8 POOR 41 GEN GOOD
MAX LVORI EARLY 3 3 4
MAX LVORI LATE 1 3 2
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
PAZ076-182030-
HIGHER ELEVATIONS OF FAYETTE-
INCLUDING THE CITIES OF CHAMPION AND OHIOPYLE
119 AM EDT WED MAR 18 2026
TODAY TONIGHT THU
CLOUD COVER PCLDY MCLDY MCLDY
PRECIP TYPE NONE NONE RAIN
CHANCE PRECIP (%) 0 0 30
CHANCE OF THUNDER (%) 0 0 0
TEMP (24H TREND) 38 (+11) 29 (+14) 51
RH % (24H TREND) 34 (-19) 82 (+7) 56
WIND 20FT/EARLY(MPH) LGT/VAR LGT/VAR LGT/VAR
WIND 20FT/LATE(MPH) LGT/VAR LGT/VAR SW 5
PRECIP AMOUNT 0.00 0.00 0.00
PRECIP DURATION 1
PRECIP BEGIN 2 PM
PRECIP END CONTINUING
MIXING HGT(M-AGL/MSL) 1350 910
MIXING HGT(FT-AGL/MSL)4430 3000
TRANSPORT WND (MPH) S 16 SW 15
VENT RATE (KT-FT) 62020 39000
CATEGORY DAY 4 3
INVERSION 19F/9AM 7PM 36F/9AM
DISPERSION 4 3
MAX ADI EARLY 36 FAIR 6 VERY POOR 27 FAIR
MAX ADI LATE 52 GEN GOOD 7 POOR 34 FAIR
MAX LVORI EARLY 3 3 4
MAX LVORI LATE 1 3 3
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
PAZ077-182030-
INDIANA-
INCLUDING THE CITY OF INDIANA
119 AM EDT WED MAR 18 2026
TODAY TONIGHT THU
CLOUD COVER PCLDY MCLDY MCLDY
PRECIP TYPE NONE NONE RAIN
CHANCE PRECIP (%) 0 0 30
CHANCE OF THUNDER (%) 0 0 0
TEMP (24H TREND) 37 (+9) 28 (+12) 50
RH % (24H TREND) 37 (-16) 82 (+4) 59
WIND 20FT/EARLY(MPH) LGT/VAR LGT/VAR LGT/VAR
WIND 20FT/LATE(MPH) S 6 LGT/VAR SW 6
PRECIP AMOUNT 0.00 0.00 0.00
PRECIP DURATION 1
PRECIP BEGIN 2 PM
PRECIP END CONTINUING
MIXING HGT(M-AGL/MSL) 1440 720
MIXING HGT(FT-AGL/MSL)4730 2350
TRANSPORT WND (MPH) S 15 SW 15
VENT RATE (KT-FT) 61490 30550
CATEGORY DAY 4 3
INVERSION 19F/9AM 7PM 35F/9AM
DISPERSION 4 3
MAX ADI EARLY 37 FAIR 9 POOR 23 FAIR
MAX ADI LATE 60 GEN GOOD 6 VERY POOR 30 FAIR
MAX LVORI EARLY 4 3 4
MAX LVORI LATE 1 4 3
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
PAZ078-182030-
HIGHER ELEVATIONS OF INDIANA-
INCLUDING THE CITY OF ARMAGH
119 AM EDT WED MAR 18 2026
TODAY TONIGHT THU
CLOUD COVER PCLDY MCLDY MCLDY
PRECIP TYPE NONE NONE RAIN
CHANCE PRECIP (%) 0 0 30
CHANCE OF THUNDER (%) 0 0 0
TEMP (24H TREND) 37 (+9) 29 (+13) 50
RH % (24H TREND) 36 (-18) 81 (+5) 58
WIND 20FT/EARLY(MPH) LGT/VAR LGT/VAR LGT/VAR
WIND 20FT/LATE(MPH) S 5 LGT/VAR SW 6
PRECIP AMOUNT 0.00 0.00 0.00
PRECIP DURATION 1
PRECIP BEGIN 2 PM
PRECIP END CONTINUING
MIXING HGT(M-AGL/MSL) 1490 800
MIXING HGT(FT-AGL/MSL)4890 2630
TRANSPORT WND (MPH) S 16 SW 14
VENT RATE (KT-FT) 68460 31560
CATEGORY DAY 4 3
INVERSION 20F/9AM 8PM 36F/9AM
DISPERSION 4 3
MAX ADI EARLY 33 FAIR 9 POOR 22 FAIR
MAX ADI LATE 57 GEN GOOD 6 VERY POOR 29 FAIR
MAX LVORI EARLY 3 3 4
MAX LVORI LATE 1 4 3
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
WVZ001-182030-
HANCOCK-
INCLUDING THE CITY OF WEIRTON
119 AM EDT WED MAR 18 2026
TODAY TONIGHT THU
CLOUD COVER PCLDY MCLDY MCLDY
PRECIP TYPE NONE NONE RAIN
CHANCE PRECIP (%) 0 0 40
CHANCE OF THUNDER (%) 0 0 0
TEMP (24H TREND) 37 (+8) 32 (+13) 51
RH % (24H TREND) 36 (-8) 77 (+9) 55
WIND 20FT/EARLY(MPH) LGT/VAR S 5 LGT/VAR
WIND 20FT/LATE(MPH) S 6 LGT/VAR SW 6
PRECIP AMOUNT 0.00 0.00 0.00
PRECIP DURATION 1
PRECIP BEGIN 8 AM
PRECIP END CONTINUING
MIXING HGT(M-AGL/MSL) 1300 650
MIXING HGT(FT-AGL/MSL)4280 2140
TRANSPORT WND (MPH) S 17 SW 17
VENT RATE (KT-FT) 64200 32100
CATEGORY DAY 4 3
INVERSION 22F/9AM 8PM 40F/10AM
DISPERSION 4 3
MAX ADI EARLY 47 GEN GOOD 11 POOR 23 FAIR
MAX ADI LATE 56 GEN GOOD 8 POOR 33 FAIR
MAX LVORI EARLY 3 3 4
MAX LVORI LATE 1 3 3
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
WVZ002-182030-
BROOKE-
INCLUDING THE CITIES OF FOLLANSBEE AND WELLSBURG
119 AM EDT WED MAR 18 2026
TODAY TONIGHT THU
CLOUD COVER PCLDY MCLDY MCLDY
PRECIP TYPE NONE NONE RAIN
CHANCE PRECIP (%) 0 0 30
CHANCE OF THUNDER (%) 0 0 0
TEMP (24H TREND) 38 (+8) 33 (+15) 52
RH % (24H TREND) 35 (-10) 74 (+7) 53
WIND 20FT/EARLY(MPH) LGT/VAR S 5 S 5
WIND 20FT/LATE(MPH) S 6 S 5 SW 6
PRECIP AMOUNT 0.00 0.00 0.00
PRECIP DURATION 1
PRECIP BEGIN 2 PM
PRECIP END CONTINUING
MIXING HGT(M-AGL/MSL) 1310 680
MIXING HGT(FT-AGL/MSL)4290 2220
TRANSPORT WND (MPH) S 16 SW 18
VENT RATE (KT-FT) 60060 35520
CATEGORY DAY 4 3
INVERSION 22F/9AM 8PM 41F/10AM
DISPERSION 4 3
MAX ADI EARLY 46 GEN GOOD 10 POOR 23 FAIR
MAX ADI LATE 51 GEN GOOD 8 POOR 37 FAIR
MAX LVORI EARLY 3 3 4
MAX LVORI LATE 1 3 2
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
WVZ003-182030-
OHIO-
INCLUDING THE CITY OF WHEELING
119 AM EDT WED MAR 18 2026
TODAY TONIGHT THU
CLOUD COVER PCLDY MCLDY MCLDY
PRECIP TYPE NONE NONE RAIN
CHANCE PRECIP (%) 0 0 30
CHANCE OF THUNDER (%) 0 0 0
TEMP (24H TREND) 38 (+8) 33 (+15) 52
RH % (24H TREND) 37 (-11) 77 (+7) 55
WIND 20FT/EARLY(MPH) LGT/VAR S 5 S 5
WIND 20FT/LATE(MPH) S 6 S 5 SW 6
PRECIP AMOUNT 0.00 0.00 0.00
PRECIP DURATION 1
PRECIP BEGIN 2 PM
PRECIP END CONTINUING
MIXING HGT(M-AGL/MSL) 1270 670
MIXING HGT(FT-AGL/MSL)4170 2200
TRANSPORT WND (MPH) S 16 SW 20
VENT RATE (KT-FT) 58380 37400
CATEGORY DAY 4 3
INVERSION 22F/9AM 8PM 41F/10AM
DISPERSION 4 3
MAX ADI EARLY 45 GEN GOOD 12 POOR 25 FAIR
MAX ADI LATE 52 GEN GOOD 8 POOR 38 FAIR
MAX LVORI EARLY 3 3 4
MAX LVORI LATE 1 3 3
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
WVZ004-182030-
MARSHALL-
INCLUDING THE CITY OF MOUNDSVILLE
119 AM EDT WED MAR 18 2026
TODAY TONIGHT THU
CLOUD COVER PCLDY MCLDY MCLDY
PRECIP TYPE NONE NONE RAIN
CHANCE PRECIP (%) 0 0 30
CHANCE OF THUNDER (%) 0 0 0
TEMP (24H TREND) 40 (+10) 33 (+15) 53
RH % (24H TREND) 37 (-12) 77 (+7) 56
WIND 20FT/EARLY(MPH) LGT/VAR LGT/VAR S 5
WIND 20FT/LATE(MPH) S 6 S 5 SW 6
PRECIP AMOUNT 0.00 0.00 0.00
PRECIP DURATION 1
PRECIP BEGIN 2 PM
PRECIP END CONTINUING
MIXING HGT(M-AGL/MSL) 1300 710
MIXING HGT(FT-AGL/MSL)4280 2310
TRANSPORT WND (MPH) S 17 SW 20
VENT RATE (KT-FT) 64200 39270
CATEGORY DAY 4 3
INVERSION 22F/9AM 8PM 41F/10AM
DISPERSION 4 3
MAX ADI EARLY 44 GEN GOOD 11 POOR 23 FAIR
MAX ADI LATE 54 GEN GOOD 8 POOR 39 FAIR
MAX LVORI EARLY 3 3 4
MAX LVORI LATE 1 3 3
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
WVZ012-182030-
WETZEL-
INCLUDING THE CITY OF NEW MARTINSVILLE
119 AM EDT WED MAR 18 2026
TODAY TONIGHT THU
CLOUD COVER PCLDY MCLDY MCLDY
PRECIP TYPE NONE NONE RAIN
CHANCE PRECIP (%) 0 0 20
CHANCE OF THUNDER (%) 0 0 0
TEMP (24H TREND) 39 (+10) 33 (+15) 53
RH % (24H TREND) 39 (-11) 78 (+7) 56
WIND 20FT/EARLY(MPH) LGT/VAR LGT/VAR LGT/VAR
WIND 20FT/LATE(MPH) S 5 LGT/VAR SW 5
PRECIP AMOUNT 0.00 0.00 0.00
PRECIP DURATION 0
PRECIP BEGIN 2 PM
PRECIP END CONTINUING
MIXING HGT(M-AGL/MSL) 1290 780
MIXING HGT(FT-AGL/MSL)4230 2550
TRANSPORT WND (MPH) S 16 SW 18
VENT RATE (KT-FT) 59220 40800
CATEGORY DAY 4 3
INVERSION 22F/9AM 8PM 41F/10AM
DISPERSION 4 3
MAX ADI EARLY 41 GEN GOOD 10 POOR 23 FAIR
MAX ADI LATE 57 GEN GOOD 8 POOR 38 FAIR
MAX LVORI EARLY 3 3 4
MAX LVORI LATE 1 3 3
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
WVZ021-182030-
MARION-
INCLUDING THE CITY OF FAIRMONT
119 AM EDT WED MAR 18 2026
TODAY TONIGHT THU
CLOUD COVER PCLDY MCLDY MCLDY
PRECIP TYPE NONE NONE RAIN
CHANCE PRECIP (%) 0 0 20
CHANCE OF THUNDER (%) 0 0 0
TEMP (24H TREND) 39 (+10) 32 (+15) 53
RH % (24H TREND) 35 (-16) 80 (+5) 55
WIND 20FT/EARLY(MPH) LGT/VAR LGT/VAR LGT/VAR
WIND 20FT/LATE(MPH) LGT/VAR LGT/VAR SW 5
PRECIP AMOUNT 0.00 0.00 0.00
PRECIP DURATION 0
PRECIP BEGIN 2 PM
PRECIP END CONTINUING
MIXING HGT(M-AGL/MSL) 1260 940
MIXING HGT(FT-AGL/MSL)4140 3100
TRANSPORT WND (MPH) S 16 SW 17
VENT RATE (KT-FT) 57960 46500
CATEGORY DAY 4 3
INVERSION 21F/9AM 8PM 38F/9AM
DISPERSION 4 3
MAX ADI EARLY 41 GEN GOOD 9 POOR 27 FAIR
MAX ADI LATE 51 GEN GOOD 8 POOR 40 FAIR
MAX LVORI EARLY 3 3 4
MAX LVORI LATE 1 3 3
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
WVZ509-182030-
MONONGALIA-
INCLUDING THE CITY OF MORGANTOWN
119 AM EDT WED MAR 18 2026
TODAY TONIGHT THU
CLOUD COVER PCLDY MCLDY MCLDY
PRECIP TYPE NONE NONE RAIN
CHANCE PRECIP (%) 0 0 20
CHANCE OF THUNDER (%) 0 0 0
TEMP (24H TREND) 39 (+9) 32 (+15) 53
RH % (24H TREND) 34 (-16) 78 (+5) 54
WIND 20FT/EARLY(MPH) LGT/VAR LGT/VAR LGT/VAR
WIND 20FT/LATE(MPH) LGT/VAR LGT/VAR SW 5
PRECIP AMOUNT 0.00 0.00 0.00
PRECIP DURATION 0
PRECIP BEGIN 2 PM
PRECIP END CONTINUING
MIXING HGT(M-AGL/MSL) 1340 950
MIXING HGT(FT-AGL/MSL)4380 3100
TRANSPORT WND (MPH) S 16 SW 17
VENT RATE (KT-FT) 61320 46500
CATEGORY DAY 4 3
INVERSION 22F/9AM 8PM 38F/9AM
DISPERSION 4 3
MAX ADI EARLY 42 GEN GOOD 10 POOR 30 FAIR
MAX ADI LATE 50 GEN GOOD 8 POOR 40 FAIR
MAX LVORI EARLY 3 3 4
MAX LVORI LATE 1 3 2
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
WVZ510-182030-
RIDGES OF EASTERN MONONGALIA AND NORTHWESTERN PRESTON-
INCLUDING THE CITY OF COOPERS ROCK
119 AM EDT WED MAR 18 2026
TODAY TONIGHT THU
CLOUD COVER PCLDY MCLDY MCLDY
PRECIP TYPE NONE NONE RAIN
CHANCE PRECIP (%) 0 0 20
CHANCE OF THUNDER (%) 0 0 0
TEMP (24H TREND) 38 (+12) 30 (+15) 51
RH % (24H TREND) 34 (-19) 83 (+8) 55
WIND 20FT/EARLY(MPH) LGT/VAR LGT/VAR LGT/VAR
WIND 20FT/LATE(MPH) LGT/VAR LGT/VAR SW 5
PRECIP AMOUNT 0.00 0.00 0.00
PRECIP DURATION 0
PRECIP BEGIN 2 PM
PRECIP END CONTINUING
MIXING HGT(M-AGL/MSL) 1210 920
MIXING HGT(FT-AGL/MSL)3950 3010
TRANSPORT WND (MPH) S 15 SW 16
VENT RATE (KT-FT) 51350 42140
CATEGORY DAY 4 3
INVERSION 19F/9AM 7PM 38F/10AM
DISPERSION 4 3
MAX ADI EARLY 34 FAIR 9 POOR 28 FAIR
MAX ADI LATE 49 GEN GOOD 8 POOR 37 FAIR
MAX LVORI EARLY 4 3 4
MAX LVORI LATE 1 4 3
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
WVZ511-182030-
PRESTON-
INCLUDING THE CITIES OF KINGWOOD AND BRUCETON MILLS
119 AM EDT WED MAR 18 2026
TODAY TONIGHT THU
CLOUD COVER PCLDY MCLDY MCLDY
PRECIP TYPE NONE NONE RAIN
CHANCE PRECIP (%) 0 0 20
CHANCE OF THUNDER (%) 0 0 0
TEMP (24H TREND) 39 (+12) 30 (+15) 51
RH % (24H TREND) 32 (-20) 83 (+7) 55
WIND 20FT/EARLY(MPH) LGT/VAR LGT/VAR LGT/VAR
WIND 20FT/LATE(MPH) LGT/VAR LGT/VAR LGT/VAR
PRECIP AMOUNT 0.00 0.00 0.00
PRECIP DURATION 0
PRECIP BEGIN 2 PM
PRECIP END CONTINUING
MIXING HGT(M-AGL/MSL) 1350 1100
MIXING HGT(FT-AGL/MSL)4430 3610
TRANSPORT WND (MPH) S 15 SW 15
VENT RATE (KT-FT) 57590 46930
CATEGORY DAY 4 3
INVERSION 16F/8AM 8PM 36F/9AM
DISPERSION 4 3
MAX ADI EARLY 37 FAIR 6 VERY POOR 32 FAIR
MAX ADI LATE 56 GEN GOOD 6 VERY POOR 38 FAIR
MAX LVORI EARLY 4 3 4
MAX LVORI LATE 1 4 3
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
WVZ512-182030-
EASTERN PRESTON-
INCLUDING THE CITIES OF TERRA ALTA, ROWLESBURG, AND HAZELTON
119 AM EDT WED MAR 18 2026
TODAY TONIGHT THU
CLOUD COVER PCLDY MCLDY MCLDY
PRECIP TYPE NONE NONE RAIN
CHANCE PRECIP (%) 0 0 20
CHANCE OF THUNDER (%) 0 0 0
TEMP (24H TREND) 37 (+11) 29 (+15) 50
RH % (24H TREND) 33 (-24) 86 (+9) 56
WIND 20FT/EARLY(MPH) LGT/VAR LGT/VAR LGT/VAR
WIND 20FT/LATE(MPH) LGT/VAR LGT/VAR SW 5
PRECIP AMOUNT 0.00 0.00 0.00
PRECIP DURATION 0
PRECIP BEGIN 2 PM
PRECIP END CONTINUING
MIXING HGT(M-AGL/MSL) 1330 1070
MIXING HGT(FT-AGL/MSL)4360 3510
TRANSPORT WND (MPH) S 15 SW 14
VENT RATE (KT-FT) 56680 42120
CATEGORY DAY 4 3
INVERSION 18F/9AM 8PM 35F/9AM
DISPERSION 4 3
MAX ADI EARLY 30 FAIR 9 POOR 28 FAIR
MAX ADI LATE 54 GEN GOOD 9 POOR 34 FAIR
MAX LVORI EARLY 4 3 4
MAX LVORI LATE 1 4 3
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
WVZ513-182030-
WESTERN TUCKER-
INCLUDING THE CITIES OF PARSONS, HENDRICKS, AND SAINT GEORGE
119 AM EDT WED MAR 18 2026
TODAY TONIGHT THU
CLOUD COVER PCLDY MCLDY MCLDY
PRECIP TYPE NONE NONE RAIN
CHANCE PRECIP (%) 0 0 20
CHANCE OF THUNDER (%) 0 0 0
TEMP (24H TREND) 39 (+13) 28 (+15) 52
RH % (24H TREND) 30 (-23) 84 (+7) 52
WIND 20FT/EARLY(MPH) LGT/VAR LGT/VAR LGT/VAR
WIND 20FT/LATE(MPH) LGT/VAR LGT/VAR LGT/VAR
PRECIP AMOUNT 0.00 0.00 0.00
PRECIP DURATION 0
PRECIP BEGIN 2 PM
PRECIP END CONTINUING
MIXING HGT(M-AGL/MSL) 1480 1270
MIXING HGT(FT-AGL/MSL)4870 4160
TRANSPORT WND (MPH) SW 15 SW 13
VENT RATE (KT-FT) 63310 45760
CATEGORY DAY 4 3
INVERSION 14F/6AM 8PM 35F/9AM
DISPERSION 4 3
MAX ADI EARLY 32 FAIR 7 POOR 34 FAIR
MAX ADI LATE 61 GOOD 7 POOR 36 FAIR
MAX LVORI EARLY 3 3 4
MAX LVORI LATE 1 4 2
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
WVZ514-182030-
EASTERN TUCKER-
INCLUDING THE CITIES OF DAVIS, THOMAS, AND CANAAN VALLEY
119 AM EDT WED MAR 18 2026
TODAY TONIGHT THU
CLOUD COVER PCLDY MCLDY MCLDY
PRECIP TYPE NONE NONE RAIN
CHANCE PRECIP (%) 0 0 20
CHANCE OF THUNDER (%) 0 0 0
TEMP (24H TREND) 36 (+14) 24 (+13) 49
RH % (24H TREND) 35 (-29) 90 (+11) 60
WIND 20FT/EARLY(MPH) LGT/VAR LGT/VAR LGT/VAR
WIND 20FT/LATE(MPH) SW 5 LGT/VAR SW 5
PRECIP AMOUNT 0.00 0.00 0.00
PRECIP DURATION 0
PRECIP BEGIN 2 PM
PRECIP END CONTINUING
MIXING HGT(M-AGL/MSL) 1400 1200
MIXING HGT(FT-AGL/MSL)4590 3920
TRANSPORT WND (MPH) SW 14 SW 12
VENT RATE (KT-FT) 55080 39200
CATEGORY DAY 4 3
INVERSION 16F/9AM 8PM 33F/9AM
DISPERSION 4 3
MAX ADI EARLY 26 FAIR 9 POOR 29 FAIR
MAX ADI LATE 60 GEN GOOD 11 POOR 31 FAIR
MAX LVORI EARLY 4 3 5
MAX LVORI LATE 1 4 3
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
FORECAST FOR DAYS 3 THROUGH 7
FRIDAY
MOSTLY CLOUDY WITH A CHANCE OF RAIN. LOWS IN THE UPPER
30S. HIGHS IN THE MID 50S. NORTH WINDS AROUND 5 MPH.
SATURDAY
MOSTLY CLOUDY WITH A CHANCE OF RAIN. LOWS AROUND 40.
HIGHS AROUND 60. SOUTHWEST WINDS 10 TO 15 MPH.
SUNDAY
MOSTLY CLOUDY. A CHANCE OF RAIN. LOWS IN THE LOWER 40S.
HIGHS IN THE MID 60S. SOUTHWEST WINDS 10 TO 15 MPH.
MONDAY
PARTLY CLOUDY. A CHANCE OF RAIN. COOLER. LOWS IN THE
MID 30S. HIGHS IN THE UPPER 40S. NORTH WINDS 10 TO 15 MPH.
TUESDAY
PARTLY CLOUDY. LOWS IN THE MID 20S. HIGHS IN THE UPPER
40S. SOUTHEAST WINDS 10 TO 15 MPH.
LUPO
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