Suppression Forecast
Issued by NWS Columbia, SC

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000
FNUS72 KCAE 230804
FWSCAE

Spot Forecast for LCRD C-355...USDA FS
National Weather Service Columbia SC
404 AM EDT Thu May 23 2019

Forecast is based on ignition time of 1000 EDT on May 23.
If conditions become unrepresentative...contact the National Weather
Service.

Positive or negative feedback including observations taken at
the burn site would be greatly appreciated. You can use the same
webpage where you requested the spot forecast for this. You may
also call our office if you have questions or concerns.

.DISCUSSION...High pressure will be building across the region, both
at the surface and aloft.  Temperatures this afternoon be slightly
warmer than yesterday, top out in the lower 90s, with the heat index
values very close to the actual temperature.

Vent rate today expected to be higher than yesterday, with morning
readings ranging generally be between 10000-15000 at ignition time,
then only rise to 25000-30000 by the early afternoon.  Transport winds
should remain out of the southwest through the day, with speeds only
around 5 mph.  Min RH values by this afternoon should drop down to
between 45 to 50 percent.

.REST OF TODAY...

Sky/weather.........Mostly sunny (40-50 percent).
Chance of pcpn......10 percent.
LAL.................No Tstms.
Max temperature.....Around 90.
Min humidity........50 percent.
Wind (20 ft)........Light winds.
Mixing height.......1800-3700 ft AGL increasing to 3900-4300 ft AGL
                    late in the afternoon.
Transport winds.....Southwest 5 to 6 mph.
LVORI...............3.
Max ADI.............23.

TIME (EDT)      10A 11A 12P 1PM 2PM 3PM 4PM 5PM
Sky (%).........67  63  54  41  29  24  23  23
Weather cov.....
Weather type....
Tstm cov........
Chc of pcpn (%).0   0   10  10  10  10  10  10
Temp............76  78  81  83  85  86  87  88
RH..............85  79  69  63  59  57  53  50
20 FT wind dir..SW  SW  SW  SW  SW  SW  SW  SW
20 FT wind dir..220 230 230 220 220 220 220 210
20 FT wind spd..3   3   3   3   3   3   4   4
20 FT wind gust.5   5   5   5   6   6   6   7
Mix hgt (kft)...1.8 2.5 2.9 3.3 3.7 3.9 4.1 4.3
Trasnp wind dir.SW  SW  SW  SW  SW  SW  SW  SW
Transp wind spd.6   6   6   6   5   5   6   6
LVORI...........4   3   3   2   2   2   2   2
ADI.............13  17  18  23  21  22  22  22
LAL.............1   1   1   1   1   1   1   1

.TONIGHT...

Sky/weather.........Mostly clear (15-25 percent).
Chance of pcpn......10 percent.
LAL.................No Tstms.
Min temperature.....Around 70.
Max humidity........85 percent.
Wind (20 ft)........Light winds.
Mixing height.......2300-3300 ft AGL decreasing to 200-1300 ft AGL
                    early in the evening.
Transport winds.....Southwest 5 to 8 mph.
LVORI...............4.
Min ADI.............2.

TIME (EDT)      6 PM   8 PM   10 PM  MIDNGT 2 AM   4 AM
Sky (%).........22     21     22     20     18     16
Weather cov.....
Weather type....NONE   NONE   NONE   NONE   NONE   NONE
Tstm cov........
Chc of pcpn (%).10     0      0      0      0      0
Temp............87     83     77     74     72     71
RH..............52     61     70     76     80     83
20 ft wind......SW 4   SW 3   SW 1   SW 1   SW 2   SW 2
20 ft wind gust.6      5             2      3      3
Mix hgt (ft)....3300   1300   700    300    200    300
Transport wind..SW 6   SW 5   SW 6   SW 6   SW 8   SW 8
LVORI...........2      3      3      3      4      5
ADI.............20     2      3      3      4      4
LAL.............1      1      1      1      1      1

.FRIDAY...

Sky/weather.........Sunny (10-20 percent).
Chance of pcpn......0 percent.
LAL.................No Tstms.
Max temperature.....Around 94.
Min humidity........39 percent.
Wind (20 ft)........Light winds.
Mixing height.......400-1500 ft AGL increasing to 4500-4800 ft AGL.
Transport winds.....Northwest 9 to 14 mph.
LVORI...............3.
Max ADI.............48.

TIME (EDT)      6 AM      9 AM      NOON      3 PM
Sky (%).........18        10        7         7
Weather cov.....
Weather type....NONE      NONE      NONE      NONE
Tstm cov........
Chc of pcpn (%).0         0         0         0
Temp............70        76        88        93
RH..............86        76        52        40
20 FT wind......SW 2G3    W 3G5     W 4G6     W 3G5
Mix hgt (ft)....400       1500      3800      4500
Transport wind..SW 9      W 13      NW 13     NW 10
LVORI...........5         3         1         1
ADI.............4         24        46        41
LAL.............1         1         1         1

$$
Forecaster...Liscinsky
Requested by...James Atkins
Type of request...PRESCRIBED
.TAG 1909778.0/CAE
.DELDT 05/23/19
.EMAIL james.atkins@usda.gov


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