302
FNUS71 KAKQ 221353
FWSAKQ

Spot Forecast for Plum Crk...The Nature Conservancy
National Weather Service Wakefield VA
953 AM EDT Tue Apr 22 2025

Forecast is based on ignition time of 1000 EDT on April 22.
If conditions become unrepresentative...contact the National Weather
Service at 757-899-5734.

.DISCUSSION...

A cold front moves into the region this morning, leading to increased
mostly cloudy skies and a shift in wind direction. SSW winds will
become NW behind the front around mid-morning and remain relatively
light at ~10mph. Min RH this afternoon will be 35-40%. There are a
few light showers in the area this morning ahead of the front, but
these should remain south of Dorchester County.

.REST OF TODAY...

Sky/weather.........Partly sunny (50-60 percent).
Chance of pcpn......10 percent.
Max temperature.....Around 80.
Min humidity........39 percent.
Wind (20 ft)........Northwest winds 6 to 8 mph.
Mixing height.......5300 ft AGL.
Transport winds.....West 12 to 15 mph.
Smoke dispersal.....Good (34500 mph-ft) early in the morning
                    increasing to excellent (76935 mph-ft) in the
                    afternoon.
LVORI...............1.
ADI.................43 early in the morning increasing to 88 in the
                    afternoon.

TIME (EDT)      10A 11A 12P 1PM 2PM 3PM 4PM 5PM
Sky (%).........62  57  52  56  60  59  58  56
Weather cov.....
Weather type....
Tstm cov........
Chc of pcpn (%).10  10  10  10  0   0   0   0
Temp............72  76  77  78  79  79  78  78
RH..............66  56  52  47  44  42  42  40
20 FT wind dir..W   NW  W   W   W   W   W   NW
20 FT wind spd..6   7   7   8   9   8   8   8
20 FT wind gust.11  12  13  14  14  14  14  13
Mix hgt (kft)...3.0 4.1 4.5 4.9 5.3 4.9 4.5 4.1
Transp wind dir.W   W   W   W   W   W   W   W
Transp wind spd.12  14  14  15  15  15  14  13
LVORI...........1   1   1   1   1   1   1   1
ADI.............43  66  76  83  88  83  76  65
Vrate mph-ft/1K.34  55  64  71  76  71  64  54
Ventrate Cat....PR  FR  FR  GD  GD  GD  FR  FR

.TONIGHT...

Sky/weather.........Mostly cloudy (65-75 percent).
Chance of pcpn......10 percent.
Min temperature.....Around 56.
Max humidity........67 percent.
Wind (20 ft)........Northwest winds around 5 mph early in the
                    evening becoming light.
Mixing height.......400 ft AGL.
Transport winds.....Northwest 7 to 10 mph shifting to the north 8
                    to 9 mph late in the evening.
Smoke dispersal.....Good (34385 mph-ft) early in the evening
                    decreasing to poor (2875 mph-ft) late in the
                    night.
LVORI...............2.
ADI.................44 early in the evening decreasing to 3 late in
                    the night.

TIME (EDT)      6PM 7PM 8PM 9PM 10P 11P MID 1AM 2AM 3AM 4AM 5AM
Sky (%).........59  61  63  68  74  79  78  77  77  75  74  72
Weather cov.....
Weather type....
Tstm cov........
Chc of pcpn (%).0   0   10  10  10  10  10  10  10  10  10  10
Temp............76  74  72  69  66  64  63  61  60  59  58  57
RH..............43  46  49  53  58  63  62  65  64  64  64  64
20 FT wind dir..NW  NW  NW  NW  NW  NW  NW  N   N   N   N   N
20 FT wind spd..6   5   3   2   2   1   1   2   2   2   2   3
20 FT wind gust.11  7   5   3       2   2   3   3   3   5   5
Mix hgt (kft)...3.1 2.1 1.1 1.0 0.8 0.6 0.5 0.4 0.4 0.4 0.4 0.4
Transp wind dir.W   NW  NW  NW  N   N   N   N   N   N   N   N
Transp wind spd.10  8   7   7   8   9   8   8   8   8   8   9
LVORI...........1   2   2   2   3   3   3   3   3   3   3   3
ADI.............44  6   3   3   3   4   4   4   4   4   4   4
Vrate mph-ft/1K.34  17  7   6   5   5   4   3   2   2   2   3
Ventrate Cat....PR  PR  PR  PR  PR  PR  PR  PR  PR  PR  PR  PR

.WEDNESDAY...

Sky/weather.........Mostly sunny (40-50 percent).
Chance of pcpn......10 percent.
Max temperature.....Around 74.
Min humidity........33 percent.
Wind (20 ft)........Light winds becoming northeast 5 to 6 mph early
                    in the morning, then shifting to the east
                    around 5 mph late in the afternoon.
Mixing height.......4300 ft AGL.
Transport winds.....Northeast 12 to 15 mph decreasing to 3 to 9 mph
                    late in the morning.
Smoke dispersal.....Poor (5750 mph-ft) early in the morning
                    increasing to fair (26219 mph-ft) in the
                    afternoon.
LVORI...............2.
ADI.................5 to 33.

TIME (EDT)      6AM 7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM
Sky (%).........68  63  59  51  43  35  33  30  28  26  25  23
Weather cov.....
Weather type....
Tstm cov........
Chc of pcpn (%).10  10  0   0   0   0   0   0   0   0   0   0
Temp............57  58  59  62  65  67  70  71  73  73  73  72
RH..............67  64  62  54  46  42  38  35  33  33  33  34
20 FT wind dir..N   NE  NE  NE  NE  NE  NE  E   E   E   E   E
20 FT wind spd..3   4   5   5   6   6   6   5   5   5   5   5
20 FT wind gust.5   7   8   8   9   9   9   9   9   9   8   8
Mix hgt (kft)...0.5 0.7 0.8 1.5 2.1 2.8 3.3 3.8 4.3 4.2 4.1 4.0
Transp wind dir.N   N   NE  NE  NE  E   NE  NE  NE  NE  E   E
Transp wind spd.12  14  15  14  12  9   8   7   6   5   3   5
LVORI...........3   2   2   2   1   1   1   1   2   2   2   2
ADI.............5   10  15  26  32  33  31  30  28  23  21  20
Vrate mph-ft/1K.5   8   12  20  25  26  25  23  22  18  16  15
Ventrate Cat....PR  PR  PR  PR  PR  PR  PR  PR  PR  PR  PR  PR

$$
Forecaster...CHRETIEN
Requested by...Gabriel Cahalan
Type of request...PRESCRIBED
.TAG 2511313.0/AKQ
.DELDT 04/22/25
.FormatterVersion 2.0.0
.EMAIL gcahalan@tnc.org