Spot Forecast
Issued by NWS Mt. Holly, NJ
Issued by NWS Mt. Holly, NJ
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144 FNUS71 KPHI 141406 FWSPHI Spot Forecast for Philly Sitl Class...Philly Fire National Weather Service Mount Holly NJ 1006 AM EDT Tue May 14 2024 Forecast is based on forecast start time of 1100 EDT on May 14. 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 remains positioned offshore today. Unsettled weather returns tonight and persists through Thursday as a slow moving low pressure system passes by to our south. Weak high pressure returns on Friday, before another period of unsettled weather impacts the Mid-Atlantic region this weekend into early next week. .REST OF TODAY... Sky/weather.........Mostly cloudy (75-85 percent). Slight chance of showers early in the afternoon. Chance of showers late in the afternoon. Chance of pcpn......30 percent. Max temperature.....Around 76. Min humidity........55 percent. Dewpoint............57. Surface winds (mph).South winds 9 to 10 mph. Wind (20 ft)........Southwest winds 8 to 9 mph. Mixing height.......4600 ft AGL. Transport winds.....Southwest 14 to 17 mph. Smoke dispersal.....Good (31700 knot-ft). ADI.................43 to 59. TIME (EDT) 11A 12P 1PM 2PM 3PM 4PM 5PM Sky (%).........67 73 81 83 85 86 88 Weather cov..... SCH CHC CHC CHC Weather type.... RW RW RW RW Tstm cov........ Chc of pcpn (%).10 10 10 20 30 30 30 Temp............69 71 73 74 74 73 73 Dewpoint........57 57 57 57 57 57 57 RH..............66 61 57 55 55 57 57 20 FT wind dir..SW SW SW SW SW S S 20 FT wind spd..9 9 10 10 10 10 10 20 FT wind gust.10 12 13 13 14 14 14 Surface wnd dir.SW SW SW SW SW S S Surface wnd spd.9 9 10 10 10 10 10 Surface wnd gst.10 12 13 13 14 14 14 Mix hgt (kft)...2.3 3.3 4.0 4.2 4.6 4.0 3.3 Transp wind dir.SW SW SW S S S S Transp wind spd.16 17 15 15 14 14 17 ADI.............43 59 55 57 55 52 59 Vrate kt-ft/1K..32 50 51 55 55 48 50 Ventrate Cat....PR FR FR FR FR FR FR .TONIGHT... Sky/weather.........Cloudy (85-95 percent). Chance of showers early in the evening, then showers likely early in the evening. Slight chance of thunderstorms late in the evening. Chance of pcpn......70 percent. Min temperature.....Around 59. Max humidity........93 percent. Dewpoint............57. Surface winds (mph).Southeast winds 7 to 10 mph shifting to the east around 6 mph after 3 am. Wind (20 ft)........South winds around 9 mph shifting to the east around 6 mph after 3 am. Gusty and erratic winds expected near thunderstorms late in the evening. Mixing height.......400 ft AGL. Transport winds.....South 7 to 16 mph decreasing to around 6 mph early in the morning. Smoke dispersal.....Fair (26300 knot-ft) early in the evening decreasing to poor (2200 knot-ft) late in the night. ADI.................4 to 38. TIME (EDT) 6PM 7PM 8PM 9PM 10P 11P MID 1AM 2AM 3AM 4AM 5AM Sky (%).........90 91 93 93 92 92 91 91 90 90 91 91 Weather cov.....CHC CHC LKY LKY LKY LKY LKY LKY LKY LKY LKY LKY Weather type....RW RW RW RW RW RW RW RW RW RW RW RW Tstm cov........ SCH SCH SCH Chc of pcpn (%).30 30 60 60 60 70 70 70 70 70 70 70 Temp............71 70 67 66 66 65 64 63 62 61 61 60 Dewpoint........56 56 56 56 56 57 57 57 57 57 58 58 RH..............59 61 68 70 70 75 78 81 84 87 90 93 20 FT wind dir..S S S S S S SE SE SE SE SE E 20 FT wind spd..10 10 10 10 9 9 8 7 7 7 6 6 20 FT wind gust.14 14 13 13 12 10 10 9 9 8 8 8 Surface wnd dir.S S S S S S SE SE SE SE SE E Surface wnd spd.10 10 10 10 9 9 8 7 7 7 6 6 Surface wnd gst.14 14 13 13 12 10 10 9 9 8 8 8 Mix hgt (kft)...1.9 1.0 1.1 0.8 0.8 0.7 0.7 0.5 0.5 0.5 0.6 0.4 Transp wind dir.S S S S S S S S S S S S Transp wind spd.16 15 14 13 12 12 9 8 7 7 7 6 ADI.............38 13 12 11 10 10 8 5 5 5 5 4 Vrate kt-ft/1K..26 13 13 9 8 7 5 3 3 3 4 2 Ventrate Cat....PR PR PR PR PR PR PR PR PR PR PR PR .WEDNESDAY... Sky/weather.........Mostly cloudy (80-90 percent). Showers likely in the morning, then rain likely in the afternoon. Chance of pcpn......70 percent. Max temperature.....Around 66. Min humidity........78 percent. Dewpoint............58. Surface winds (mph).East winds 6 to 10 mph. Wind (20 ft)........East winds 5 to 9 mph. Mixing height.......3400 ft AGL. Transport winds.....Southeast 6 to 15 mph shifting to the east 15 to 16 mph late in the afternoon. Smoke dispersal.....Poor (2300 knot-ft) early in the morning increasing to good (47000 knot-ft) in the afternoon. ADI.................4 early in the morning increasing to 55 in the afternoon. TIME (EDT) 6AM 7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM Sky (%).........91 92 92 92 91 87 88 88 86 84 81 78 Weather cov.....LKY LKY CHC CHC CHC CHC CHC CHC LKY LKY LKY CHC Weather type....RW RW RN RN RN RN RN RN RN RN RN RN Tstm cov........ Chc of pcpn (%).70 70 40 40 40 50 50 50 60 60 60 50 Temp............60 61 61 62 63 64 65 65 66 66 65 65 Dewpoint........58 59 59 59 59 59 59 59 59 59 59 58 RH..............93 93 93 90 87 84 81 81 78 78 81 78 20 FT wind dir..E NE NE E E E E E E E E E 20 FT wind spd..6 6 6 6 7 8 9 9 10 10 10 10 20 FT wind gust.7 7 8 9 10 12 14 15 17 17 17 17 Surface wnd dir.E NE NE E E E E E E E E E Surface wnd spd.6 6 6 6 7 8 9 9 10 10 10 10 Surface wnd gst.7 7 8 9 10 12 14 15 17 17 17 17 Mix hgt (kft)...0.5 0.8 0.8 1.4 1.8 2.4 3.1 3.2 3.2 3.3 3.3 3.4 Transp wind dir.S S SE SE SE SE E E E E E E Transp wind spd.6 7 7 8 9 12 13 14 14 15 15 16 ADI.............4 6 6 14 21 33 41 44 46 49 52 55 Vrate kt-ft/1K..2 5 5 10 14 24 34 36 39 41 44 47 Ventrate Cat....PR PR PR PR PR PR PR PR PR FR FR FR $$ Forecaster...AKL Requested by...Bryan Miers Type of request...OTHER .TAG 2414138.0/PHI .DELDT 05/14/24 .FormatterVersion 2.0.0 .EMAIL mie02@henrico.us