436
FNUS72 KCAE 210833
FWSCAE

Spot Forecast for SRS CPT 25...USFS - Savannah River
National Weather Service Columbia SC
333 AM EST Fri Feb 21 2025

Forecast is based on ignition time of 0700 EST on February 21.
If conditions become unrepresentative...contact the National Weather
Service.

.DISCUSSION...Clear, dry and cool today with daytime relative
humidity minimum around 25 to 28 percent. Winds will generally
be light out of the north to northeast much of the day. Winds
then go nearly calm overnight tonight with temperatures dropping
into the middle 20s and good RH recoveries. Sunny on Saturday
as high pressure continues to be in control with light winds a bit
more variable from northeast to south. A few degrees warmer with
minimum RH closer to 30 percent.

.REST OF TODAY...

Sky/weather.........Sunny (5-15 percent).
Chance of pcpn......0 percent.
Max temperature.....Around 48.
Min humidity........27 percent.
Wind (20 ft)........Light winds becoming northeast 5 to 6 mph.
Mixing height.......4000 ft AGL.
Transport winds.....North 5 to 14 mph.
LVORI...............2.
ADI.................18 to 42.

TIME (EST)      7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM
Sky (%).........1   0   0   0   0   1   3   5   6   14  19
Weather cov.....
Weather type....
Tstm cov........
Chc of pcpn (%).0   0   0   0   0   0   0   0   0   0   0
Temp............24  26  29  33  38  41  44  46  47  48  46
RH..............57  55  48  41  35  33  30  28  28  27  31
Aparnt tmp (F)..20  20  24  28  34  38  42  45  47  48  46
20 FT wind dir..N   N   N   NE  NE  NE  N   N   N   N   N
20 FT wind dir..010 010 020 030 030 030 020 010 000 000 000
20 FT wind spd..3   5   5   6   5   5   3   3   2   2   2
20 FT wind gust.6   7   7   8   7   6   5   5   3   3   3
Mix hgt (kft)...2.2 2.4 2.5 2.5 3.0 3.3 3.5 3.8 4.0 3.8 3.5
Transp wind dir.N   N   N   N   N   N   N   N   N   N   N
Transp wind dir.010 010 020 020 020 020 020 010 000 350 350
Transp wind spd.14  14  14  13  10  7   5   5   5   5   5
LVORI...........1   1   1   1   1   2   2   2   2   2   2
ADI.............38  42  42  40  37  29  20  18  20  21  19

.TONIGHT...

Sky/weather.........Mostly clear (15-25 percent).
Chance of pcpn......0 percent.
Min temperature.....Around 26.
Max humidity........74 percent.
Wind (20 ft)........Light winds.
Mixing height.......400 ft AGL.
Transport winds.....Northeast around 2 mph.
LVORI...............3.
ADI.................1.

TIME (EST)      6PM 7PM 8PM 9PM 10P 11P MID 1AM 2AM 3AM 4AM 5AM
Sky (%).........18  29  23  21  15  17  20  22  23  25  25  23
Weather cov.....
Weather type....
Tstm cov........
Chc of pcpn (%).0   0   0   0   0   0   0   0   0   0   0   0
Temp............43  38  36  34  33  30  30  29  28  27  27  26
RH..............38  46  50  56  58  66  66  66  68  71  71  74
Aparnt tmp (F)..43  38  36  34  33  30  30  29  28  27  27  26
20 FT wind dir..N   N   N   N   N   N   N   N   NE  NE  NE  NE
20 FT wind dir..020 020 020 000 000 000 000 000 040 030 050 060
20 FT wind spd..1   1   1   0   0   0   0   0   1   1   1   1
20 FT wind gust.2
Mix hgt (kft)...0.4 0.4 0.4 0.4 0.4 0.4 0.4 0.4 0.4 0.4 0.4 0.4
Transp wind dir.N   N   N   N   N   N   NE  NE  NE  NE  NE  NE
Transp wind dir.000 000 010 010 020 020 030 040 040 040 040 040
Transp wind spd.2   2   2   2   2   2   2   2   2   2   2   2
LVORI...........2   2   2   3   3   3   3   3   3   3   3   3
ADI.............1   1   1   1   1   1   1   1   1   1   1   1

.SATURDAY...

Sky/weather.........Sunny (20-30 percent).
Chance of pcpn......0 percent.
Max temperature.....Around 54.
Min humidity........31 percent.
Wind (20 ft)........Light winds.
Mixing height.......4600 ft AGL.
Transport winds.....Northeast 2 to 7 mph shifting to the south 9 to
                    12 mph in the afternoon.
LVORI...............2.
ADI.................2 early in the morning increasing to 62 in the
                    afternoon.

TIME (EST)      6AM 7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM
Sky (%).........18  10  16  14  16  17  26  28  29  32  36  39
Weather cov.....
Weather type....
Tstm cov........
Chc of pcpn (%).0   0   0   0   0   0   0   0   0   0   0   0
Temp............26  27  29  35  42  47  50  52  54  54  54  53
RH..............74  68  66  56  44  37  34  32  31  32  34  36
Aparnt tmp (F)..26  27  29  35  42  47  50  52  54  54  54  53
20 FT wind dir..NE  NE  NE  E   E   E   SE  SE  S   S   SW  SW
20 FT wind dir..050 060 050 070 090 110 130 150 170 190 210 230
20 FT wind spd..1   1   1   1   2   2   2   2   2   2   2   2
20 FT wind gust.2   3   5   6   6   6   7   7   7   7   6   5
Mix hgt (kft)...0.4 0.4 0.6 1.2 2.0 2.6 3.2 3.7 4.0 4.3 4.6 3.2
Transp wind dir.NE  NE  NE  E   E   SE  S   S   S   S   S   S
Transp wind dir.050 050 060 090 110 130 170 190 190 200 200 200
Transp wind spd.2   3   5   7   10  10  10  10  12  12  12  9
LVORI...........3   3   3   2   2   1   1   1   1   1   1   1
ADI.............2   3   5   10  26  35  41  46  54  61  62  34

$$
Forecaster...Carpenter
Requested by...Kevin Pope
Type of request...PRESCRIBED
.TAG 2503384.0/CAE
.DELDT 02/21/25
.FormatterVersion 2.0.0
.EMAIL kevin.pope@usda.gov