--------------------------------------------------------------------------- FWF Combo Report generated using the latest Fire Weather Forecasts issued by PBZ/CTP at *** 1:58am *** on Wednesday April 09, 2025. --------------------------------------------------------------------------- Fire Weather Planning Forecast National Weather Service Pittsburgh PA 157 AM EDT Wed Apr 9 2025 .Discussion... A weak disturbance will cross the area this morning bringing a few rounds of snow showers. These snow showers will taper off before dawn. Heading into the coming day, temperatures will rebound into the upper 40s as relative humidities this afternoon fall intothe lower 30% and upper 20% range. It will be dry, but winds will be light and feuls are still withholding alot of moisture. Thus, fire weather concerns are not expected today. The next weather maker will arrive Wednesday night. && Forest- Including the city of Tionesta 157 AM EDT Wed Apr 9 2025 Today Tonight Thu Cloud Cover Pcldy Mcldy Mcldy Precip Type Snow Showers Showers Showers Chance Precip (%) 20 60 90 Chance of Thunder (%) 0 0 0 Temp (24h trend) 45 (+13) 31 (+9) 47 RH % (24h trend) 29 (-19) 88 (+11) 78 20ft Wnd-Val/AM(mph) Lgt/Var SE 5 20ft Wnd-Rdg/PM(mph) Lgt/Var Lgt/Var SE 5 Precip Amount 0.00 0.06 0.20 Precip Duration 0 2 10 Precip Begin 3 PM Continuing Continuing Precip End Continuing Continuing Continuing Mixing Hgt(m-agl/msl) 1940 510 Mixing Hgt(ft-agl/msl)6370 1670 Transport Wnd (mph) W 14 S 20 Vent Rate (kt-ft) 76440 28390 Dispersion 4 3 ADI early 72 Good 5 Very Poor 28 Fair ADI late 96 Good 8 Poor 36 Fair Max LVORI early 4 3 4 Max LVORI late 1 4 4 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 showers likely. Lows in the lower 40s. Highs around 50. North winds around 5 mph. .SATURDAY...Mostly cloudy with a chance of rain showers. Lows in the upper 30s. Highs in the upper 40s. North winds around 5 mph. .SUNDAY...Mostly cloudy. Lows in the upper 30s. Highs in the upper 50s. Northwest winds 5 to 10 mph. .MONDAY...Partly cloudy. Warmer. Lows around 40. Highs around 70. Southwest winds 5 to 10 mph. .TUESDAY...Mostly cloudy. A chance of showers. Lows around 50. Highs in the mid 60s. West winds 15 to 20 mph. $$ --------------------------------------------------------------------------- Fire Weather Planning Forecast for Central Pennsylvania National Weather Service State College, PA 135 PM EDT Tue Apr 8 2025 .DISCUSSION... Windy and unseasonably cold for the rest of today with diminishing flurries over the Alleghenies. The minRH will bottom around 30% in parts of the upper/lower ridge and valley region. Mainly clear and cold tonight with widespread subfreezing temperatures. Low humidity is forecast during the day on Wednesday with light winds and minRH in the 20-30% range. Clouds increase by Wednesday evening with rain (mixing with wet snow in the higher elevations) spreading eastward Wednesday night into Thursday. && Warren- Including the city of Warren 135 PM EDT Tue Apr 8 2025 Tonight Wed Wed Night Thu Cloud Cover Pcldy Pcldy Mcldy Mcldy Precip Type None None Snow/Rain Snow/Rain Chance Precip (%) 0 0 70 90 Chance of Thunder (%) 0 0 0 0 Temp (24h trend) 19 (-3) 45 (+15) 30 48 RH % (24h trend) 82 (-12) 29 (-19) 88 76 20ftWnd-Val/AM(mph) Lgt/Var Lgt/Var 20ftWnd-Rdg/PM(mph) NW 7 G23 Lgt/Var Lgt/Var SE 6 G15 Precip Amount 0.00 0.00 0.04 0.17 Precip Duration 4 12 Precip Begin 7 PM Continuing Precip End Continuing Continuing Mixing Hgt(ft-agl) 740 6100 290 1590 Transport Wnd (mph) W 7 W 15 SE 8 S 20 Vent Rate (kt-ft) 4440 79300 2030 27030 Dispersion 2 5 1 5 DSI 2 1 Sunshine Hours 7 2 Max ADI Early 38 Fair 40 Fair 5 Very Poor 25 Fair Max ADI Late 5 Very Poor 51 Gen Good 8 Poor 31 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. .FORECAST FOR DAYS 3 THROUGH 7... .FRIDAY...Mostly cloudy with rain likely. Lows in the upper 30s. Highs in the upper 40s. Minimum RH 69 percent. East winds 5 to 10 mph. .SATURDAY...Mostly cloudy with a chance of rain. Lows in the upper 30s. Highs in the mid 40s. Minimum RH 70 percent. North winds 5 to 10 mph. .SUNDAY...Mostly cloudy. Lows in the mid 30s. Highs in the mid 50s. Minimum RH 53 percent. Northwest winds 5 to 10 mph. .MONDAY...Partly cloudy. Warmer. Lows in the upper 30s. Highs in the mid 60s. Minimum RH 48 percent. South winds 5 to 10 mph. .TUESDAY...Mostly cloudy. A chance of rain. Lows in the mid 40s. Highs in the lower 60s. Minimum RH 48 percent. West winds 10 to 15 mph. $$ McKean- Including the city of Bradford 135 PM EDT Tue Apr 8 2025 Tonight Wed Wed Night Thu Cloud Cover Pcldy Pcldy Mcldy Mcldy Precip Type None None Snow Snow/Rain Chance Precip (%) 0 0 60 90 Chance of Thunder (%) 0 0 0 0 Temp (24h trend) 18 (-3) 44 (+15) 29 45 RH % (24h trend) 79 (-11) 29 (-18) 87 73 20ftWnd-Val/AM(mph) Lgt/Var SE 5 G15 20ftWnd-Rdg/PM(mph) NW 9 G24 Lgt/Var Lgt/Var SE 7 G16 Precip Amount 0.00 0.00 0.04 0.18 Precip Duration 2 12 Precip Begin 7 PM Continuing Precip End Continuing Continuing Mixing Hgt(ft-agl) 710 6290 250 1730 Transport Wnd (mph) W 9 W 17 SE 8 S 20 Vent Rate (kt-ft) 5680 94350 1750 29410 Dispersion 2 5 1 5 DSI 2 1 Sunshine Hours 8 2 Max ADI Early 41 Gen Good 42 Gen Good 10 Poor 33 Fair Max ADI Late 7 Poor 58 Gen Good 8 Poor 32 Fair Max LVORI Early 2 3 3 4 Max LVORI Late 3 1 4 4 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 rain likely. Lows in the upper 30s. Highs in the upper 40s. Minimum RH 73 percent. Southeast winds 5 to 10 mph. .SATURDAY...Mostly cloudy with rain likely. Lows in the mid 30s. Highs in the mid 40s. Minimum RH 73 percent. North winds around 5 mph. .SUNDAY...Mostly cloudy. Lows in the mid 30s. Highs in the lower 50s. Minimum RH 54 percent. Northwest winds around 5 mph. .MONDAY...Partly cloudy. Patchy frost through the night. Warmer. Lows in the mid 30s. Highs in the mid 60s. Minimum RH 50 percent. Southwest winds around 5 mph. .TUESDAY...Mostly cloudy. A chance of rain. Lows in the mid 40s. Highs in the lower 60s. Minimum RH 48 percent. West winds 10 to 15 mph. $$ Elk- Including the cities of St. Marys and Ridgway 135 PM EDT Tue Apr 8 2025 Tonight Wed Wed Night Thu Cloud Cover Pcldy Pcldy Mcldy Mcldy Precip Type None None Snow/Rain Snow/Rain Chance Precip (%) 0 0 70 90 Chance of Thunder (%) 0 0 0 0 Temp (24h trend) 19 (-4) 45 (+14) 30 46 RH % (24h trend) 76 (-10) 29 (-15) 85 75 20ftWnd-Val/AM(mph) Lgt/Var SE 5 G15 20ftWnd-Rdg/PM(mph) NW 9 G24 Lgt/Var Lgt/Var SE 6 G16 Precip Amount 0.00 0.00 0.05 0.22 Precip Duration 4 12 Precip Begin 7 PM Continuing Precip End Continuing Continuing Mixing Hgt(ft-agl) 1140 5970 360 1520 Transport Wnd (mph) W 9 W 16 S 7 S 18 Vent Rate (kt-ft) 9120 83580 2160 24320 Dispersion 3 5 1 5 DSI 2 1 Sunshine Hours 8 2 Max ADI Early 40 Fair 44 Gen Good 7 Poor 29 Fair Max ADI Late 8 Poor 53 Gen Good 7 Poor 31 Fair Max LVORI Early 2 3 3 4 Max LVORI Late 3 1 4 4 Remarks: ADI is Atmospheric Dispersion Index by Lavdas. LVORI is Low Visibility Occurrence Risk Index. .FORECAST FOR DAYS 3 THROUGH 7... .FRIDAY...Mostly cloudy with rain likely. Lows in the upper 30s. Highs in the upper 40s. Minimum RH 72 percent. East winds 5 to 10 mph. .SATURDAY...Mostly cloudy with rain likely. Lows in the upper 30s. Highs in the mid 40s. Minimum RH 71 percent. North winds 5 to 10 mph. .SUNDAY...Mostly cloudy. Lows in the mid 30s. Highs in the mid 50s. Minimum RH 51 percent. Northwest winds 5 to 10 mph. .MONDAY...Partly cloudy. Patchy frost through the night. Lows in the mid 30s. Highs in the mid 60s. Minimum RH 49 percent. Southwest winds around 5 mph. .TUESDAY...Mostly cloudy. A chance of rain. Lows in the mid 40s. Highs in the lower 60s. Minimum RH 45 percent. West winds 10 to 15 mph. $$ --------------------------------------------------------------------------- .OUTLOOK 8 TO 14 DAYS... Temperatures near normal. Precipitation above normal. --------------------------------------------------------------------------- .END