Spot Forecast
Issued by NWS Mt. Holly, NJ

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973
FNUS71 KPHI 282040
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Spot Forecast for TEST...TEST...TEST...National Weather Service
National Weather Service Mount Holly NJ
440 PM EDT Sun Apr 28 2024

Forecast is based on forecast start time of 1000 EDT on April 29.
If conditions become unrepresentative, contact the National Weather
Service.

Please contact our office if you have questions
or concerns with this forecast.

.DISCUSSION...
An upper-level high pressure ridge will build along the East
coast, with unseasonably warm temperatures expected Monday.
A backdoor cold front will then arrive Monday night and
hang across our region on Tuesday, while an upper-level trough
approaches. Showers and thunderstorms may threaten later Tuesday
and possibly linger into Wednesday, before weak high pressure
builds in for Thursday. A cold front could approach from the
west later Friday and pass through during the weekend.

.MONDAY...

Sky/weather.........Sunny (15-25 percent).
Chance of pcpn......10 percent.
Max temperature.....Around 84.
Min humidity........46 percent.
Dewpoint............61.
Surface winds (mph).West winds 6 to 7 mph shifting to the south 7
                    to 8 mph late in the afternoon.
Wind (20 ft)........Northwest winds around 5 mph shifting to the
                    southwest 6 to 7 mph late in the afternoon.
Mixing height.......4100 ft AGL.
Transport winds.....Northwest around 7 mph shifting to the south
                    around 10 mph late in the afternoon.
Smoke dispersal.....Poor (6200 knot-ft) early in the morning
                    increasing to fair (27500 knot-ft) in the
                    afternoon.
ADI.................9 to 38.

TIME (EDT)      10A 11A 12P 1PM 2PM 3PM 4PM 5PM
Sky (%).........10  10  15  20  26  29  29  27
Weather cov.....
Weather type....
Tstm cov........
Chc of pcpn (%).0   0   0   0   0   0   10  10
Temp............72  75  78  80  81  82  83  80
Dewpoint........62  62  61  61  61  60  60  60
RH..............71  64  56  52  51  47  46  51
20 FT wind dir..NW  NW  W   W   SW  SW  S   S
20 FT wind spd..6   6   7   7   7   8   8   8
20 FT wind gust.8   8   9   10  10  12  12  10
Surface wnd dir.NW  NW  W   W   SW  SW  S   S
Surface wnd spd.6   6   7   7   7   8   8   8
Surface wnd gst.8   8   9   10  10  12  12  10
Mix hgt (kft)...1.0 1.7 2.3 3.6 4.1 3.9 2.7 2.0
Transp wind dir.NW  NW  NW  NW  W   SW  SW  S
Transp wind spd.7   7   7   7   7   8   8   10
ADI.............9   15  20  30  34  38  28  26
Vrate kt-ft/1K..6   10  14  21  25  28  19  18
Ventrate Cat....PR  PR  PR  PR  PR  PR  PR  PR

.MONDAY NIGHT...

Sky/weather.........Mostly clear (15-25 percent).
Chance of pcpn......10 percent.
Min temperature.....Around 62.
Max humidity........87 percent.
Dewpoint............58.
Surface winds (mph).South winds 5 to 8 mph.
Wind (20 ft)........South winds 5 to 7 mph.
Mixing height.......400 ft AGL.
Transport winds.....South 9 to 13 mph.
Smoke dispersal.....Fair (14600 knot-ft) early in the evening
                    decreasing to poor (3200 knot-ft) late in the
                    night.
ADI.................4 to 22.

TIME (EDT)      6PM 7PM 8PM 9PM 10P 11P MID 1AM 2AM 3AM 4AM 5AM
Sky (%).........22  16  16  17  17  18  18  19  19  19  19  19
Weather cov.....
Weather type....
Tstm cov........
Chc of pcpn (%).10  0   0   0   0   0   0   0   0   0   0   0
Temp............77  74  70  68  67  64  63  63  63  63  62  62
Dewpoint........60  60  60  60  59  59  59  58  58  58  57  57
RH..............56  62  71  76  75  84  87  84  84  84  84  84
20 FT wind dir..S   S   S   S   S   S   S   S   S   S   S   S
20 FT wind spd..8   8   8   7   6   6   6   6   5   5   5   5
20 FT wind gust.12  12  13  9   8   8   8   8   7   7   7   7
Surface wnd dir.S   S   S   S   S   S   S   S   S   S   S   S
Surface wnd spd.8   8   8   7   6   6   6   6   5   5   5   5
Surface wnd gst.12  12  13  9   8   8   8   8   7   7   7   7
Mix hgt (kft)...1.5 0.5 0.4 0.4 0.4 0.4 0.4 0.4 0.4 0.4 0.4 0.4
Transp wind dir.SE  S   S   S   SE  S   S   S   S   S   S   S
Transp wind spd.12  12  13  9   9   12  12  13  13  12  12  10
ADI.............22  8   8   4   4   5   5   5   6   5   5   5
Vrate kt-ft/1K..15  5   4   3   3   4   4   4   5   4   4   4
Ventrate Cat....PR  PR  PR  PR  PR  PR  PR  PR  PR  PR  PR  PR

.TUESDAY...

Sky/weather.........Mostly sunny (30-40 percent). Slight chance of
                    showers late in the afternoon.
Chance of pcpn......20 percent.
Max temperature.....Around 82.
Min humidity........46 percent.
Dewpoint............58.
Surface winds (mph).South winds 5 to 10 mph.
Wind (20 ft)........South winds 5 to 9 mph.
Mixing height.......4600 ft AGL.
Transport winds.....Southwest 9 to 13 mph.
Smoke dispersal.....Poor (4100 knot-ft) early in the morning
                    increasing to good (50300 knot-ft) in the
                    afternoon.
ADI.................4 early in the morning increasing to 68 in the
                    afternoon.

TIME (EDT)      6AM 7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM
Sky (%).........20  21  22  29  30  32  31  30  30  35  41  47
Weather cov.....                                SCH SCH SCH SCH
Weather type....                                RW  RW  RW  RW
Tstm cov........
Chc of pcpn (%).0   0   0   0   0   0   0   0   20  20  20  20
Temp............62  63  65  68  72  75  78  79  80  81  82  81
Dewpoint........57  58  58  58  59  60  60  59  59  59  59  58
RH..............84  84  78  70  64  60  54  50  49  47  46  46
20 FT wind dir..S   S   S   S   S   S   S   S   S   S   S   S
20 FT wind spd..5   5   5   6   6   6   7   8   9   9   10  10
20 FT wind gust.7   7   7   9   9   9   12  13  15  15  16  16
Surface wnd dir.S   S   S   S   S   S   S   S   S   S   S   S
Surface wnd spd.5   5   5   6   6   6   7   8   9   9   10  10
Surface wnd gst.7   7   7   9   9   9   12  13  15  15  16  16
Mix hgt (kft)...0.5 0.5 0.6 1.0 1.4 1.8 2.8 3.7 4.6 4.0 3.4 2.8
Transp wind dir.SW  SW  SW  SW  SW  SW  SW  SW  SW  SW  SW  SW
Transp wind spd.10  9   9   9   10  10  12  12  13  13  13  13
ADI.............4   9   9   12  18  25  38  53  68  61  53  45
Vrate kt-ft/1K..4   5   5   9   12  17  27  38  50  44  38  31
Ventrate Cat....PR  PR  PR  PR  PR  PR  PR  PR  FR  FR  PR  PR

$$
Forecaster...Johnson
Requested by...Sarah Johnson
Type of request...OTHER
.TAG 2412645.0/PHI
.DELDT 04/28/24
.FormatterVersion 2.0.0
.EMAIL sarah.johnson@noaa.gov