Suppression Forecast
Issued by NWS Columbia, SC

Home | Current Version | Previous Version | Text Only | Print | Product List | Glossary On
Versions: 1 2 3
000
FNUS72 KCAE 181149
FWSCAE

SPOT FORECAST FOR COMP 20...US FOREST SERVICE
NATIONAL WEATHER SERVICE COLUMBIA SC
749 AM EDT SAT MAY 18 2013

FORECAST IS BASED ON IGNITION TIME OF 0830 EDT ON MAY 18.
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER
SERVICE.

.DISCUSSION...AREA OF RAINFALL ACROSS EASTERN GEORGIA WILL SLOWLY
BE MOVING TOWARDS THE BURN SITE THROUGH THE MORNING.  RAINFALL MAY
BE ABLE TO HOLD OFF UNTIL LATE MORNING.  MAINLY EXPECTING SHOWERS
THROUGH THE MORNING WITH THE ACTIVITY...BUT MAY BEGIN TO ENCOUNTER
SOME LIGHTNING AS WE ENTER THE AFTERNOON HOURS.  MODEL SOUNDINGS
SHOW THE LOW-LEVEL INVERSION REMAINING ACROSS THE SITE AREA UNTIL
AROUND 11 AM...THEN LIFTING THROUGH NOONTIME.  NIGHT TIME INVERSION
EXPECTED TO BEGIN SETTING UP AROUND 7 PM THIS EVENING.  RELATIVE
HUMIDITY VALUES WILL NOT DROP BELOW 50 PERCENT THROUGH THE DAY.
WINDS AHEAD OF THE RAIN ACTIVITY SHOULD REMAIN OUT OF THE SOUTH
TO SOUTHWEST BOTH AT THE SURFACE AND THROUGH THE MIXED LAYER.
WINDS BECOME MORE VARIABLE ONCE THE RAIN MOVES INTO THE AREA.

.TODAY...
TIME (EDT)          8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM
SKY (%)..............48  51  54  61  62  63  64  81  82  90
WEATHER COV..........        SCH SCH CHC CHC CHC CHC CHC CHC
WEATHER TYPE.........        RW  RW  RW  RW  RW  RW  RW  RW
TEMP.................68  71  73  76  78  80  82  82  82  81
RH...................91  83  76  70  64  60  57  56  57  60
20 FT WIND DIR.......S   S   SW  SW  SW  SW  SW  SW  S   S
20 FT WIND DIR.......180 190 220 230 230 220 220 210 200 200
20 FT WIND SPD.......2   2   4   5   5   4   4   4   5   5
20 FT WIND GUST......5   5   10  10  10  10  10  10  10  10
MIX HGT (KFT)........0.7 0.9 1.1 2.0 2.5 3.5 4.1 4.7 4.8 4.9
TRANSP WIND DIR......S   S   SW  SW  SW  SW  SW  SW  S   S
TRANSP WIND SPD......6   8   10  13  14  14  14  15  15  15
LVORI................6   4   3   1   1   1   1   1   1   1

.TONIGHT...
TIME (EDT)          6 PM   8 PM   10 PM  MIDNGT 2 AM   4 AM
SKY (%)..............85     83     85     86     85     82
WEATHER COV..........CHANCE CHANCE CHANCE CHANCE CHANCE CHANCE
WEATHER TYPE.........RNSHWR RNSHWR RNSHWR RNSHWR RNSHWR RNSHWR
TEMP.................79     75     72     70     67     65
RH...................63     73     79     84     94     100
20 FT WIND...........S 5    SE 5   SE 5   S 4    S 3    S 2
20 FT WIND GUST......10     10     10     10     10     5
MIX HGT (FT).........4100   600    300    400    400    300
TRANSPORT WIND.......S 14   S 10   S 9    S 9    S 8    S 7
LVORI................1      2      3      5      6      9

.SUNDAY...
TIME (EDT)          6 AM   8 AM   10 AM  NOON   2 PM   4 PM
SKY (%)..............75     56     69     71     72     73
WEATHER COV..........CHANCE CHANCE CHANCE CHANCE CHANCE CHANCE
WEATHER TYPE.........RNSHWR RNSHWR RNSHWR RNSHWR RNSHWR RNSHWR
TEMP.................64     66     74     80     83     84
RH...................100    100    73     62     57     55
20 FT WIND...........S 2    SW 2   S 4    S 5    S 6    S 6
20 FT WIND GUST......5      5      5      10     10     15
MIX HGT (FT).........300    700    1700   2800   3700   4300
TRANSPORT WIND.......S 8    SW 9   SW 8   SW 7   SW 7   SW 10
LVORI................9      9      3      2      2      1

$$
FORECASTER...LISCINSKY
REQUESTED BY...MARK FRIZZELL
TYPE OF REQUEST...PRESCRIBED
.TAG 20130518.COMP2.01/CAE







USA.gov is the U.S. government's official web portal to all federal, state and local government web resources and services.