Suppression Forecast
Issued by NWS Mt. Holly, NJ

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FNUS71 KPHI 200824
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Spot Forecast for S-130 field exercise...PA DCNR Forestry
National Weather Service Mount Holly NJ
424 AM EDT Sat May 20 2017

Forecast is based on request time of 0600 EDT on May 20.
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 build south over the Mid Atlantic this weekend.
Low pressure will move into the upper Great Lakes region on
Sunday. The associated warm front will lift through our region on
Sunday night, followed by a cold front late Monday.

.TODAY...

Sky/weather.........Cloudy (85-95 percent). A slight chance of
                    thunderstorms early in the morning. Showers
                    likely this morning, then a slight chance of
                    showers early in the afternoon.
CWR.................40 percent, increasing to 60 percent after
                    sunrise this morning, then decreasing to
                    40 percent late in the morning, 30 percent
                    early this afternoon and 10 percent by late
                    late this afternoon.
Chance of pcpn......60 percent.
LAL.................Isolated lightning strikes possible until 0700,
                    then No Tstms.
Max temperature.....Around 67.
Min humidity........54 percent.
Wind shift..........Northeast to east early this afternoon.
Wind (20 ft)........East winds 5 to 10 mph.
Mixing height.......1700-3600 ft AGL.

TIME (EDT)      6AM 7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM
Sky (%).........85  89  94  94  94  94  94  95  95  92  88  85
Weather cov.....CHC LKY LKY LKY CHC CHC SCH SCH
Weather type....RW  RW  RW  RW  RW  RW  RW  RW  RW
Tstm cov........SCH
CWR.............40  50  60  60  50  40  30  20  20  10  10  10
Chc of pcpn (%).40  50  60  60  50  40  30  20  20  10  10  10
LAL.............3   2   1   1   1   1   1   1   1   1   1   1
Temp............60  60  60  61  61  60  62  62  62  63  64  63
RH..............69  69  72  67  62  62  58  58  58  56  54  56
20 FT wind dir..NE  NE  NE  NE  NE  E   E   E   E   E   E   E
20 FT wind spd..10  9   8   7   7   7   7   7   7   6   6   5
20 FT wind gust.17  18  16  15  10  15  15  15  15  10  10
Mix hgt (kft)...1.7 1.9 2.1 2.5 2.9 3.2 3.4 3.5 3.5 3.6 3.6 3.4

.TONIGHT...

Sky/weather.........Mostly cloudy (65-75 percent).
CWR.................10 percent.
Chance of pcpn......10 percent.
LAL.................No Tstms.
Min temperature.....Around 50.
Max humidity........77 percent.
Wind shift..........East to southeast this evening, then back to
                    east late tonight.
Wind (20 ft)........East winds around 5 mph early in the evening,
                    becoming light, then becoming east 5 to 6 mph
                    in the late evening and early morning, becoming
                    light.
Mixing height.......1400-3200 ft AGL, decreasing to 0-600 ft AGL in
                    the late evening and overnight.

TIME (EDT)      6PM 7PM 8PM 9PM 10P 11P MID 1AM 2AM 3AM 4AM 5AM
Sky (%).........81  78  75  70  66  61  61  61  60  62  63  64
Weather cov.....
Weather type....
Tstm cov........
CWR.............10  10  10  10  0   0   0   0   0   0   10  10
Chc of pcpn (%).10  10  10  10  0   0   0   0   0   0   10  10
LAL.............1   1   1   1   1   1   1   1   1   1   1   1
Temp............63  63  61  60  57  56  55  54  53  52  52  51
RH..............56  56  60  62  69  69  72  71  71  74  74  77
20 FT wind dir..E   E   E   E   SE  SE  SE  E   E   E   E   E
20 FT wind spd..5   3   3   3   5   6   6   5   5   5   3   3
20 FT wind gust.    5   5   5       10  10              5   5
Mix hgt (kft)...3.2 2.7 2.2 1.4 0.6 0.1 0.1 0.1 0.1 0.1 0.1 0.1

.SUNDAY...

Sky/weather.........Mostly cloudy (70-80 percent). A slight chance
                    of showers and thunderstorms late.
CWR.................10 percent, increasing to 20 percent.
Chance of pcpn......20 percent.
LAL.................No Tstms until 1700, then a slight chance.
Max temperature.....Around 68.
Min humidity........42 percent.
Wind shift..........
Wind (20 ft)........Southeast winds 5 to 10 mph.
Mixing height.......0-1300 ft AGL, increasing to 2600-4200 ft AGL
                    in the late morning and afternoon.

TIME (EDT)      6AM 7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM
Sky (%).........67  69  72  74  75  77  78  80  81  82  82  83
Weather cov.....                                            SCH
Weather type....                                            RW
Tstm cov........                                            SCH
CWR.............10  10  10  10  10  10  10  10  10  10  10  20
Chc of pcpn (%).10  10  10  10  10  10  10  10  10  10  10  20
LAL.............1   1   1   1   1   1   1   1   1   1   1   2
Temp............52  53  55  59  61  63  64  66  67  67  67  67
RH..............74  71  66  57  53  48  46  43  42  42  43  43
20 FT wind dir..E   E   E   E   E   SE  SE  SE  SE  SE  SE  SE
20 FT wind spd..5   6   6   6   7   8   9   9   9   9   8   8
20 FT wind gust.    10  10  10  10  15  15  15  15  15  15  15
Mix hgt (kft)...0.1 0.1 0.1 1.3 2.6 3.8 4.2 4.2 4.1 4.1 4.1 4.0

$$
Forecaster...Klein
Requested by...Greg Reese
Type of request...WILDFIRE
.TAG 1709783.0/PHI
.EMAIL gregreese@pa.gov



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