666
FNUS71 KPHI 121322
FWSPHI

Spot Forecast for Coverdale Farm Preserve...Delaware Nature Society
National Weather Service Mount Holly NJ
822 AM EST Fri Dec 12 2025

Forecast is based on ignition time of 0900 EST on December 12.
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 builds into the region later today before weakening
and shifting to our south and east into Saturday. A weak area of low
pressure tracks nearby later Saturday night and Sunday morning, with
an arctic front crossing our area. The center of arctic high
pressure slides to our south Tuesday before weakening as it shifts
offshore Wednesday.

.REST OF TODAY...

Sky/weather.........Partly cloudy.
CWR.................0 percent.
Chance of pcpn......0 percent.
Max temperature.....Around 36.
Min humidity........45 percent.
Wind shift..........None.
Wind (20 ft)........West winds 5 to 10 mph.
Mixing height.......3500 ft AGL.
Transport winds.....West 14 to 18 mph decreasing to 7 to 10 mph late
                    in the afternoon.
Smoke dispersal.....Poor (3300 knot-ft) early in the morning
                    increasing to good (51600 knot-ft) in the
                    afternoon.
ADI.................5 early in the morning increasing to 60 in the
                    afternoon.

TIME (EST)      9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM
Sky (%).........46  46  45  42  44  45  44  39  30
Weather cov.....
Weather type....
Tstm cov........
CWR.............0   0   0   0   0   0   0   0   0
Chc of pcpn (%).0   0   0   0   0   0   0   0   0
Temp............29  32  33  34  36  35  35  35  32
RH..............58  53  51  49  45  47  45  47  51
20 FT wind dir..W   W   W   W   W   W   W   W   W
20 FT wind spd..9   10  10  10  9   9   8   7   6
20 FT wind gust.17  18  20  20  18  16  15  13  10
Mix hgt (kft)...2.4 3.1 3.4 3.4 3.5 3.4 3.3 1.0 0.6
Transp wind dir.W   W   W   W   W   W   W   W   W
Transp wind spd.17  18  17  17  15  15  14  8   7
ADI.............48  60  59  60  52  52  46  10  5
Vrate kt-ft/1K..36  50  51  52  45  45  39  7   3
Ventrate Cat....PR  FR  FR  FR  FR  FR  PR  PR  PR

.TONIGHT...

Sky/weather.........Partly cloudy becoming mostly cloudy.
CWR.................10 percent.
Chance of pcpn......10 percent.
Min temperature.....Around 22.
Max humidity........88 percent.
Wind shift..........None.
Wind (20 ft)........Light winds.
Mixing height.......400 ft AGL.
Transport winds.....West 5 to 8 mph shifting to the south
                    overnight.
Smoke dispersal.....Poor (1700 knot-ft).
ADI.................2 to 3.

TIME (EST)      6PM 7PM 8PM 9PM 10P 11P MID 1AM 2AM 3AM 4AM 5AM
Sky (%).........25  20  14  16  17  31  28  42  48  61  77  77
Weather cov.....
Weather type....
Tstm cov........
CWR.............0   0   0   0   0   0   0   0   0   10  10  10
Chc of pcpn (%).0   0   0   0   0   0   0   0   0   10  10  10
Temp............30  29  26  25  24  23  24  23  22  23  23  24
RH..............55  58  65  65  68  71  68  74  77  74  77  81
20 FT wind dir..W   W   W   W   SW  SW  SW  SW  S   SE  SE  S
20 FT wind spd..5   3   3   3   3   2   2   1   1   2   2   2
20 FT wind gust.8   7   7   6   6   5   5   3   3   3   5   6
Mix hgt (kft)...0.5 0.4 0.5 0.5 0.4 0.4 0.4 0.4 0.4 0.4 0.4 0.4
Transp wind dir.W   W   W   W   W   SW  S   S   S   S   S   S
Transp wind spd.7   7   6   6   6   5   5   5   5   5   6   7
ADI.............3   3   3   3   3   2   2   2   2   2   3   3
Vrate kt-ft/1K..3   3   2   2   2   2   2   2   2   2   2   3
Ventrate Cat....PR  PR  PR  PR  PR  PR  PR  PR  PR  PR  PR  PR

.SATURDAY...

Sky/weather.........Mostly cloudy.
CWR.................10 percent.
Chance of pcpn......10 percent.
Max temperature.....Around 41.
Min humidity........65 percent.
Wind shift..........None.
Wind (20 ft)........Light winds becoming southwest 5 to 8 mph in
                    the late morning and afternoon.
Mixing height.......2200 ft AGL.
Transport winds.....Southwest 9 to 16 mph shifting to the west 8 to
                    15 mph in the afternoon.
Smoke dispersal.....Poor (3600 knot-ft) early in the morning
                    increasing to fair (28700 knot-ft) in the
                    afternoon.
ADI.................7 to 35.

TIME (EST)      6AM 7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM
Sky (%).........77  72  70  68  66  69  73  76  80  83  87  89
Weather cov.....
Weather type....
Tstm cov........
CWR.............10  0   0   0   0   0   0   0   0   0   0   0
Chc of pcpn (%).10  0   0   0   0   0   0   0   0   0   0   0
Temp............25  25  28  31  34  37  39  40  41  40  39  38
RH..............81  88  85  81  78  72  70  67  65  67  70  73
20 FT wind dir..S   S   SW  SW  SW  SW  SW  SW  SW  SW  SW  SW
20 FT wind spd..2   2   3   5   6   7   8   8   8   7   6   5
20 FT wind gust.6   9   9   12  14  16  17  18  17  16  14  13
Mix hgt (kft)...0.4 0.5 0.6 0.9 1.5 1.9 2.1 2.2 1.6 1.1 0.7 0.6
Transp wind dir.S   S   S   SW  SW  SW  W   W   W   W   W   W
Transp wind spd.9   9   10  13  16  15  15  15  12  10  8   8
ADI.............7   7   8   12  26  35  30  30  20  14  9   9
Vrate kt-ft/1K..4   4   5   10  21  24  27  29  16  10  5   4
Ventrate Cat....PR  PR  PR  PR  PR  PR  PR  PR  PR  PR  PR  PR

$$
Forecaster...DeSilva
Requested by...Dave Pro
Type of request...PRESCRIBED
.TAG 2527552.0/PHI
.DELDT 12/12/25
.FormatterVersion 2.0.0
.EMAIL dave@delnature.org