602 FNUS71 KPHI 210954 FWSPHI Spot Forecast for Packertown...DCNR National Weather Service Mount Holly NJ 554 AM EDT Mon Apr 21 2025 Forecast is based on forecast start time of 0700 EDT on April 21. If conditions become unrepresentative, contact the National Weather Service. Please contact our office if you have questions or concerns with this forecast. .DISCUSSION... On Monday, fire weather concerns diminish as min RH values look to range from 35-45% which is higher than what we saw over the weekend. A more easterly wind Monday looks to be more southerly by the late afternoon. Winds will be sustained at 5-10 mph with gusts upwards of 20 mph at times. Fire weather concerns may increase again for Tuesday with minimum RHs down near 30 percent and winds gusting up to 25 mph. However, the risk may be limited depending on just how much rain falls Monday night. .REST OF TODAY... Sky/weather.........Mostly cloudy (75-85 percent). CWR.................10 percent. Chance of pcpn......10 percent. Max temperature.....Around 59. Min humidity........42 percent. Wind shift..........An easterly wind in the morning becomes more south-southeasterly by midday. Wind (20 ft)........Light winds becoming southeast 5 to 8 mph with gusts to around 20 mph early in the morning. Mixing height.......3100 ft AGL. Transport winds.....Southeast 9 to 18 mph shifting to the south 20 to 21 mph in the afternoon. Smoke dispersal.....Poor (5200 knot-ft) early in the morning increasing to good (55200 knot-ft) in the afternoon. ADI.................10 early in the morning increasing to 67 in the afternoon. Eye level winds.....Light winds becoming southeast up to 5 mph with gusts to around 12 mph early in the morning. TIME (EDT) 7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM Sky (%).........71 74 80 82 76 77 82 87 87 86 83 Weather cov..... Weather type.... Tstm cov........ CWR.............0 10 10 10 10 10 10 10 10 10 10 Chc of pcpn (%).0 10 10 10 10 10 10 10 10 10 10 Temp............43 45 47 49 52 55 56 58 59 59 59 RH..............55 51 49 50 46 43 43 42 42 44 42 20 FT wind dir..E E SE SE SE SE SE SE SE SE SE 20 FT wind spd..3 5 6 7 8 8 9 9 9 9 9 20 FT wind gust.9 12 13 14 16 17 18 20 20 18 18 Eye lvl wnd dir.E E SE SE SE SE SE SE SE SE SE Eye lvl wnd spd.2 3 4 4 5 5 5 5 5 5 5 Eye lvl wnd gst.5 7 8 8 10 10 11 12 12 11 11 Mix hgt (kft)...0.7 1.3 1.6 1.8 2.0 2.4 2.5 3.1 3.0 2.8 2.6 Transp wind dir.E E SE SE SE S S S S S S Transp wind spd.9 14 16 16 18 20 20 21 20 20 21 ADI.............10 22 34 37 46 55 57 67 63 61 61 Vrate kt-ft/1K..5 15 23 25 32 41 43 55 51 48 47 Ventrate Cat....PR PR PR PR PR FR FR FR FR FR FR .TONIGHT... Sky/weather.........Mostly cloudy (80-90 percent). Chance of rain showers early in the evening. Rain showers likely late in the evening, then chance of rain showers overnight. CWR.................10 percent increasing to 50 percent early in the evening, then increasing to 60 percent late in the evening increasing to 70 percent overnight decreasing to 50 percent decreasing to 40 percent after 3 am decreasing to 30 percent. Chance of pcpn......70 percent. Min temperature.....Around 51. Max humidity........96 percent. Wind shift..........Winds shift from the southeast to more westerly by the early morning hours of Tuesday. Wind (20 ft)........Southeast winds 5 to 8 mph in the evening becoming light. Mixing height.......500 ft AGL. Transport winds.....Southeast 10 to 18 mph shifting to the south 6 to 7 mph overnight, then shifting to the southwest after 3 am. Smoke dispersal.....Good (32700 knot-ft) early in the evening decreasing to poor (2600 knot-ft) late in the night. ADI.................46 early in the evening decreasing to 3 late in the night. Eye level winds.....Southeast winds up to 5 mph in the evening becoming light. TIME (EDT) 6PM 7PM 8PM 9PM 10P 11P MID 1AM 2AM 3AM 4AM 5AM Sky (%).........78 77 85 91 92 94 94 92 93 92 90 83 Weather cov..... CHC CHC CHC LKY LKY LKY CHC CHC CHC CHC Weather type.... RW RW RW RW RW RW RW RW RW RW Tstm cov........ CWR.............10 10 50 50 50 60 60 70 50 50 40 30 Chc of pcpn (%).10 10 50 50 50 60 60 70 50 50 40 30 Temp............59 58 55 54 52 52 51 52 51 52 52 53 RH..............44 47 57 64 74 80 89 89 96 93 96 93 20 FT wind dir..SE SE SE SE SE SE SE SE SE S W W 20 FT wind spd..8 8 7 6 6 5 3 2 2 2 2 3 20 FT wind gust.17 17 16 15 13 12 9 7 6 6 6 7 Eye lvl wnd dir.SE SE SE SE SE SE SE SE SE S W W Eye lvl wnd spd.5 5 4 4 4 3 2 1 1 1 1 2 Eye lvl wnd gst.10 10 10 9 8 7 5 4 4 4 4 4 Mix hgt (kft)...2.0 1.3 0.9 1.0 0.9 0.9 0.7 0.6 0.5 0.5 0.5 0.5 Transp wind dir.S SE SE SE SE SE SE S S SW W W Transp wind spd.18 15 13 13 10 10 7 6 6 6 7 7 ADI.............46 13 8 8 7 7 3 3 3 3 3 3 Vrate kt-ft/1K..33 17 10 11 8 9 4 3 3 3 3 3 Ventrate Cat....PR PR PR PR PR PR PR PR PR PR PR PR .TUESDAY... Sky/weather.........Mostly sunny (45-55 percent). Chance of rain showers early in the morning. CWR.................30 percent decreasing to 0 percent early in the morning. Chance of pcpn......30 percent. Max temperature.....Around 72. Min humidity........34 percent. Wind shift..........None expected. Wind (20 ft)........Light winds becoming west 5 to 13 mph. Mixing height.......4900 ft AGL. Transport winds.....West 9 to 17 mph increasing to 20 to 22 mph in the late morning and afternoon. Smoke dispersal.....Poor (4800 knot-ft) early in the morning increasing to excellent (93700 knot-ft) in the afternoon. ADI.................6 early in the morning increasing to 90 in the afternoon. Eye level winds.....Light winds becoming west up to 8 mph. TIME (EDT) 6AM 7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM Sky (%).........70 59 47 51 44 39 34 30 29 29 31 32 Weather cov.....CHC CHC Weather type....RW RW Tstm cov........ CWR.............30 30 0 0 0 0 0 0 0 0 0 0 Chc of pcpn (%).30 30 0 0 0 0 0 0 0 0 0 0 Temp............55 55 57 59 62 63 66 68 70 70 71 71 RH..............86 86 80 72 60 54 47 42 38 36 35 34 20 FT wind dir..W W W W W W W W W W W W 20 FT wind spd..3 5 6 8 9 10 12 12 12 14 14 13 20 FT wind gust.9 12 14 16 17 20 21 21 22 22 21 21 Eye lvl wnd dir.W W W W W W W W W W W W Eye lvl wnd spd.2 3 4 5 5 6 7 7 7 8 8 8 Eye lvl wnd gst.5 7 8 10 10 12 13 13 13 13 13 13 Mix hgt (kft)...0.6 0.7 1.6 2.5 2.9 3.7 4.1 4.4 4.7 4.8 4.9 4.9 Transp wind dir.W W W W W W W W W W W W Transp wind spd.9 12 17 20 20 21 21 22 22 22 22 22 ADI.............6 9 35 56 62 74 78 83 88 89 89 90 Vrate kt-ft/1K..5 7 24 42 50 66 73 81 89 91 92 94 Ventrate Cat....PR PR PR FR FR GD GD GD GD GD GD GD $$ Forecaster...AKL/Guzzo Requested by...Todd Breininger Type of request...WILDFIRE .TAG 2511123.0/PHI .DELDT 04/21/25 .FormatterVersion 2.0.0 .EMAIL tbreininge@pa.gov