


Spot Forecast
Issued by NWS Mt. Holly, NJ
Issued by NWS Mt. Holly, NJ
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014 FNUS71 KPHI 120809 FWSPHI Spot Forecast for LPB unit 7...The Nature Conservancy National Weather Service Mount Holly NJ 409 AM EDT Tue Aug 12 2025 Forecast is based on ignition time of 0900 EDT on August 12. If conditions become unrepresentative, contact the National Weather Service. Please contact our office if you have questions or concerns with this forecast. .DISCUSSION... High pressure will continue to shift to our east today. A surface trough across our area Wednesday gives way to a cold front settling across our area from the northwest during Thursday. The front may stall near Delmarva Friday before dissipating into Saturday. High pressure arrives for Saturday and Sunday, then a cold front will approach from the northwest on Monday. .REST OF TODAY... Sky/weather.........Sunny (15-25 percent). CWR.................0 percent. Chance of pcpn......0 percent. Max temperature.....Around 84. Min humidity........56 percent. Wind shift.......... Wind (20 ft)........Light winds becoming south 5 to 6 mph in the afternoon. Mixing height.......5200 ft AGL. Transport winds.....West 5 to 7 mph shifting to the southwest 6 to 8 mph in the afternoon. Smoke dispersal.....Poor (4700 knot-ft) early in the morning increasing to good (30300 knot-ft) in the afternoon. ADI.................7 to 44. TIME (EDT) 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM Sky (%).........7 10 9 15 23 28 29 27 20 Weather cov..... Weather type.... Tstm cov........ CWR.............0 0 0 0 0 0 0 0 0 Chc of pcpn (%).0 0 0 0 0 0 0 0 0 Temp............71 75 78 80 82 82 82 82 81 RH..............81 71 67 60 56 56 56 58 60 20 FT wind dir..W SW SW S S S S SW S 20 FT wind spd..2 2 3 5 6 6 6 6 6 20 FT wind gust.6 6 7 8 9 10 10 10 10 Mix hgt (kft)...0.8 1.9 3.1 4.0 4.9 5.2 5.0 4.8 4.3 Transp wind dir.W W W W S SW SW SW SW Transp wind spd.7 6 5 5 6 6 6 7 8 ADI.............7 14 18 24 35 37 36 41 44 Vrate kt-ft/1K..5 10 12 16 24 26 25 29 30 Ventrate Cat....PR PR PR PR PR PR PR PR PR .TONIGHT... Sky/weather.........Partly cloudy (25-35 percent) then becoming mostly cloudy (50-60 percent). Patchy fog late in the evening. CWR.................0 percent. Chance of pcpn......0 percent. Min temperature.....Around 64. Max humidity........100 percent. Wind shift.......... Wind (20 ft)........South winds around 5 mph early in the evening becoming light. Mixing height.......100 ft AGL. Transport winds.....Southwest 7 to 9 mph. Smoke dispersal.....Fair (26800 knot-ft) early in the evening decreasing to poor (500 knot-ft) late in the night. ADI.................3 to 39. TIME (EDT) 6PM 7PM 8PM 9PM 10P 11P MID 1AM 2AM 3AM 4AM 5AM Sky (%).........19 36 10 15 10 11 22 33 28 39 45 57 Weather cov..... PTY PTY PTY PTY PTY PTY PTY Weather type.... FOG FOG FOG FOG FOG FOG FOG Tstm cov........ CWR.............0 0 0 0 0 0 0 0 0 0 0 0 Chc of pcpn (%).0 0 0 0 0 0 0 0 0 0 0 0 Temp............79 78 75 72 70 69 68 67 66 66 65 65 RH..............62 67 74 81 87 90 97 97 100 100 100 100 20 FT wind dir..SW SW SW SW SW SW SW SW SW SW SW SW 20 FT wind spd..6 5 3 2 2 2 2 2 2 2 2 2 20 FT wind gust.9 8 8 7 7 7 7 7 8 7 7 7 Mix hgt (kft)...3.8 2.0 0.1 0.1 0.1 0.1 0.1 0.2 0.1 0.1 0.1 0.1 Transp wind dir.SW SW SW SW SW SW SW SW SW W W W Transp wind spd.8 9 8 7 9 9 8 9 8 8 7 7 ADI.............39 4 4 3 4 4 4 4 4 4 3 3 Vrate kt-ft/1K..27 16 1 1 1 1 1 2 1 1 1 1 Ventrate Cat....PR PR PR PR PR PR PR PR PR PR PR PR .WEDNESDAY... Sky/weather.........Mostly cloudy (65-75 percent). Patchy fog early in the morning. Chance of showers early in the morning. Slight chance of thunderstorms late in the morning, then showers and chance of thunderstorms late in the afternoon. CWR.................10 percent increasing to 80 percent. Chance of pcpn......80 percent. Max temperature.....Around 81. Min humidity........72 percent. Wind shift.......... Wind (20 ft)........Light winds becoming south 5 to 6 mph in the late morning and afternoon. Gusty and erratic winds expected near thunderstorms late in the morning. Mixing height.......3100 ft AGL. Transport winds.....Southwest 6 to 10 mph. Smoke dispersal.....Poor (300 knot-ft) early in the morning increasing to fair (27700 knot-ft) in the afternoon. ADI.................3 to 34. TIME (EDT) 6 AM 8 AM 10 AM NOON 2 PM 4 PM Sky (%).........66 78 60 64 85 85 Weather cov.....PATCHY CHANCE CHANCE CHANCE DEFNTE DEFNTE Weather type....FOG RNSHWR RNSHWR RNSHWR RNSHWR RNSHWR Tstm cov........ S CHC CHANCE CHANCE CWR.............10 30 30 30 80 80 Chc of pcpn (%).10 30 30 30 80 80 Temp............65 68 75 78 80 78 RH..............100 100 84 76 72 74 20 ft wind......SW 2 S 2 S 5 S 6 S 6 SW 6 20 ft wind gust.7 8 9 12 12 12 Mix hgt (ft)....100 200 1100 2500 3100 1800 Transport wind..SW 7 SW 6 SW 6 S 8 SW 10 SW 10 ADI.............3 6 8 23 34 24 Vrate kt-ft/1K..0 1 5 18 28 16 Ventrate Cat....POOR POOR POOR POOR POOR POOR $$ Forecaster...MPS Requested by...Patrick McElhenny Type of request...PRESCRIBED .TAG 2519735.0/PHI .DELDT 08/12/25 .FormatterVersion 2.0.0 .EMAIL pmcelhenny@tnc.org