Spot Forecast
Issued by NWS Mt. Holly, NJ

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FNUS71 KPHI 220011
FWSPHI

Spot Forecast for SGL 106 RX...Pennsylvania Game Commission
National Weather Service Mount Holly NJ
811 PM EDT Sun Apr 21 2024

Forecast is based on ignition time of 2100 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...
A dry air mass will overspread the region on Monday. West winds will
generally be around 10 mph in the afternoon. Although these winds
are not strong, it will be quite dry. Surface dew points will
mix down into the mid 20s, and Min RH values will range from 20
to 25 percent.

.REST OF TONIGHT...

Sky/weather.........Partly cloudy (25-35 percent) then becoming
                    mostly cloudy (45-55 percent) then becoming
                    partly cloudy (20-30 percent) then becoming
                    clear (0-10 percent). Patchy frost after 3 am.
                    Areas of frost early in the morning.
CWR.................0 percent.
Chance of pcpn......0 percent.
LAL.................1.
Min temperature.....Around 33.
Max humidity........75 percent.
Wind shift..........
Wind (20 ft)........Northwest winds 5 to 7 mph in the late evening
                    and overnight becoming light.
Mixing height.......400 ft AGL.
Transport winds.....Northwest 8 to 12 mph.
Smoke dispersal.....Poor (2700 knot-ft).
ADI.................4 to 8.

TIME (EDT)      9PM 10P 11P MID 1AM 2AM 3AM 4AM 5AM
Sky (%).........48  24  13  15  52  36  16  4   2
Weather cov.....                            PTY ARS
Weather type....                            FST FST
Tstm cov........
CWR.............0   0   0   0   0   0   0   0   0
Chc of pcpn (%).0   0   0   0   0   0   0   0   0
LAL.............1   1   1   1   1   1   1   1   1
Temp............43  41  40  39  38  37  36  34  33
RH..............51  55  59  62  62  64  64  69  72
20 FT wind dir..NW  NW  NW  NW  NW  NW  NW  W   W
20 FT wind spd..6   7   8   7   6   6   5   5   5
20 FT wind gust.14  12  10  10  10  9   8   7   7
Mix hgt (kft)...0.5 0.5 0.5 0.5 0.5 0.5 0.4 0.4 0.4
Transp wind dir.NW  NW  NW  N   N   N   NW  NW  W
Transp wind spd.10  12  12  12  10  10  9   8   8
ADI.............5   5   8   5   5   5   4   4   4
Vrate kt-ft/1K..5   5   5   5   4   4   3   3   3
Ventrate Cat....PR  PR  PR  PR  PR  PR  PR  PR  PR

.MONDAY...

Sky/weather.........Sunny (0-5 percent). Areas of frost early in
                    the morning, then patchy frost early in the
                    morning.
CWR.................0 percent.
Chance of pcpn......0 percent.
LAL.................1.
Max temperature.....Around 60.
Min humidity........23 percent.
Wind shift..........
Wind (20 ft)........Light winds becoming northwest 5 to 12 mph
                    early in the morning.
Mixing height.......6400 ft AGL.
Transport winds.....Northwest 7 to 16 mph increasing to 15 to 17
                    mph in the afternoon.
Smoke dispersal.....Poor (2500 knot-ft) early in the morning
                    increasing to excellent (90000 knot-ft) in the
                    afternoon.
ADI.................4 early in the morning increasing to 104 in the
                    afternoon.

TIME (EDT)      6AM 7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM
Sky (%).........2   3   1   2   1   2   1   2   2   2   1   1
Weather cov.....ARS PTY
Weather type....FST FST
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
LAL.............1   1   1   1   1   1   1   1   1   1   1   1
Temp............33  34  37  40  43  48  52  57  58  59  60  60
RH..............75  72  70  62  53  44  36  29  27  25  24  23
20 FT wind dir..W   W   NW  NW  NW  NW  NW  NW  NW  NW  NW  NW
20 FT wind spd..5   6   6   7   8   8   8   8   9   8   8   8
20 FT wind gust.8   8   13  14  15  17  16  16  17  16  15  15
Mix hgt (kft)...0.4 0.4 0.9 2.5 4.1 4.7 5.3 5.5 6.0 6.3 6.4 6.4
Transp wind dir.NW  NW  NW  N   NW  NW  NW  NW  NW  NW  NW  NW
Transp wind spd.8   7   9   13  16  16  17  17  17  16  16  15
ADI.............4   7   11  40  78  88  104 75  77  73  74  68
Vrate kt-ft/1K..3   3   7   28  57  65  79  83  90  88  90  83
Ventrate Cat....PR  PR  PR  PR  FR  GD  GD  GD  GD  GD  GD  GD

.MONDAY NIGHT...

Sky/weather.........Mostly clear (5-15 percent).
CWR.................0 percent.
Chance of pcpn......0 percent.
LAL.................1.
Min temperature.....Around 36.
Max humidity........62 percent.
Wind shift..........
Wind (20 ft)........Northwest winds 5 to 8 mph early in the evening
                    becoming light, then becoming northeast around
                    5 mph late in the evening becoming light.
Mixing height.......300 ft AGL.
Transport winds.....Northwest 5 to 13 mph shifting to the east
                    around 5 mph overnight.
Smoke dispersal.....Excellent (65500 knot-ft) early in the evening
                    decreasing to poor (1400 knot-ft) late in the
                    night.
ADI.................84 early in the evening decreasing to 2 late in
                    the night.

TIME (EDT)      6PM 7PM 8PM 9PM 10P 11P MID 1AM 2AM 3AM 4AM 5AM
Sky (%).........1   2   2   1   1   1   1   2   8   10  13  15
Weather cov.....
Weather type....
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
LAL.............1   1   1   1   1   1   1   1   1   1   1   1
Temp............59  57  55  51  49  46  45  43  40  39  39  38
RH..............24  27  32  39  40  45  47  51  57  59  59  62
20 FT wind dir..NW  NW  NW  N   NE  E   E   E   E   E   E   E
20 FT wind spd..7   7   5   5   3   5   5   5   5   5   3   3
20 FT wind gust.13  10  7   6   5       6   6       6   5
Mix hgt (kft)...6.0 2.8 0.5 0.4 0.4 0.4 0.4 0.4 0.4 0.4 0.3 0.3
Transp wind dir.NW  NW  NW  NW  NW  N   NW  NE  E   E   E   E
Transp wind spd.13  9   6   6   5   5   5   5   5   5   5   5
ADI.............84  6   3   3   2   2   2   2   2   2   2   2
Vrate kt-ft/1K..66  23  3   2   1   2   2   1   1   1   1   1
Ventrate Cat....GD  PR  PR  PR  PR  PR  PR  PR  PR  PR  PR  PR

.TUESDAY...

Sky/weather.........Mostly sunny (30-40 percent).
CWR.................0 percent.
Chance of pcpn......0 percent.
LAL.................1.
Max temperature.....Around 63.
Min humidity........39 percent.
Wind shift..........
Wind (20 ft)........Light winds becoming south 5 to 14 mph in the
                    late morning and afternoon, then increasing to
                    around 15 mph late in the afternoon.
Mixing height.......5700 ft AGL.
Transport winds.....Southeast 5 to 6 mph shifting to the southwest
                    8 to 17 mph in the late morning and early
                    afternoon, then increasing to 20 to 23 mph late
                    in the afternoon.
Smoke dispersal.....Poor (1900 knot-ft) early in the morning
                    increasing to excellent (101300 knot-ft) in the
                    afternoon increasing to excellent (105800
                    knot-ft) late in the afternoon.
ADI.................2 early in the morning increasing to 99 in the
                    afternoon.

TIME (EDT)      6AM 7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM
Sky (%).........15  15  15  25  34  44  44  45  45  48  51  54
Weather cov.....
Weather type....
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
LAL.............1   1   1   1   1   1   1   1   1   1   1   1
Temp............40  41  43  47  50  54  56  59  61  61  62  62
RH..............59  62  60  56  52  48  45  42  39  41  39  41
20 FT wind dir..E   SE  SE  S   S   S   S   S   S   S   S   S
20 FT wind spd..3   2   3   6   8   10  12  13  14  15  16  16
20 FT wind gust.    3   5   8   12  15  18  21  22  23  23  23
Mix hgt (kft)...0.4 0.5 0.6 1.7 2.8 4.0 4.5 5.1 5.7 5.6 5.6 5.5
Transp wind dir.E   SE  S   S   SW  SW  SW  SW  S   SW  SW  SW
Transp wind spd.5   6   6   8   12  14  16  17  20  21  22  23
ADI.............2   5   6   19  39  65  62  74  85  90  95  99
Vrate kt-ft/1K..2   2   3   13  27  48  62  78  97  101 106 110
Ventrate Cat....PR  PR  PR  PR  PR  FR  GD  GD  GD  VGD VGD VGD

$$
Forecaster...MJL
Requested by...Jarrid Doyle
Type of request...PRESCRIBED
.TAG 2411652.0/PHI
.DELDT 04/21/24
.FormatterVersion 2.0.0
.EMAIL jadoyle@pa.gov
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