FNUS73 KLSX 131612
FWSLSX

SPOT FORECAST FOR REGIONAL OAK STUDY FY 13...USFS
NATIONAL WEATHER SERVICE ST LOUIS MO
1012 AM CST THU DEC 13 2012

FORECAST IS BASED ON IGNITION TIME OF 1200 CST ON DECEMBER 13.
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE
NATIONAL WEATHER SERVICE.

.DISCUSSION...
CONDITIONS WILL BE CLOSE TO ELEVATED FIRE DANGER THIS AFTERNOON
WITH RELATIVE HUMIDITY VALUES FALLING BELOW 30 PERCENT AND 10
HOUR FUEL MOISTURE STAYING IN THE 7-8 PERCENT RANGE.  THE ONLY
LIMITING FACTOR FOR ELEVATED FIRE DANGER WILL BE THE WINDS WHICH
WILL BE BELOW 10 MPH TODAY.  TEMPERATURES WILL REMAIN ABOVE NORMAL
THROUGH TOMORROW WITH PARTLY SUNNY SKIES AND SLIGHTLY HIGHER
RELATIVE HUMIDITY VALUES. THE RELATIVELY LIGHT WINDS AND LOW
MIXING HEIGHTS WILL CAUSE POOR VENTILATION RATES BOTH TODAY
AND TOMORROW.

.REST OF TODAY...

SKY/WEATHER.........SUNNY.
CWR.................0 PERCENT.
LAL.................NO TSTMS.
TEMPERATURE.........46 AT IGNITION...MAX 53.
RH..................40 PERCENT AT IGNITION...MIN 27 PERCENT.
WIND...EYE LEVEL....WINDS SOUTH AT 4 MPH AT IGNITION...OTHERWISE
                    SOUTH WIND 3 TO 5 MPH.  GUSTS UP TO 7 MPH IN
                    THE LATE MORNING AND AFTERNOON.
WIND...20 FT........WINDS SOUTH AT 9 MPH AT IGNITION...OTHERWISE
                    SOUTH WIND 7 TO 9 MPH. GUSTS UP TO 17 MPH IN
                    THE LATE MORNING AND AFTERNOON.
HAINES INDEX........4 OR LOW POTENTIAL FOR LARGE PLUME DOMINATED
                    FIRE GROWTH.
MIXING HEIGHT.......1000 FT AGL AT IGNITION...
                    1700 FT AGL AT MAX HEATING.
TRANSPORT WIND......SOUTH AROUND 21 MPH.
VENTILATION RATE....POOR (5656 M 2/S) AT MAX HEATING.

.TONIGHT...

SKY/WEATHER.........CLEAR.
CWR.................0 PERCENT.
LAL.................NO TSTMS.
TEMPERATURE.........MIN 29.
RH..................MAX 80 PERCENT.
WIND...EYE LEVEL....SOUTH WIND 2 TO 4 MPH.
WIND...20 FT........SOUTH WIND 5 TO 8 MPH.
HAINES INDEX........N/A.
MIXING HEIGHT.......N/A.
TRANSPORT WIND......N/A.
VENTILATION RATE....N/A.

.FRIDAY...

SKY/WEATHER.........MOSTLY SUNNY THEN BECOMING PARTLY SUNNY THEN
                    BECOMING MOSTLY CLOUDY.
CWR.................10 PERCENT.
LAL.................NO TSTMS.
TEMPERATURE.........MAX 54.
RH..................MIN 33 PERCENT.
WIND...EYE LEVEL....SOUTH WIND 2 TO 4 MPH.
WIND...20 FT........SOUTH WIND 5 TO 8 MPH.
HAINES INDEX........4 OR LOW POTENTIAL FOR LARGE PLUME DOMINATED
                    FIRE GROWTH.
MIXING HEIGHT.......2000 FT AGL AT MAX HEATING.
TRANSPORT WIND......SOUTH AROUND 22 MPH.
VENTILATION RATE....POOR (5970 M 2/S) AT MAX HEATING.

$$

FORECASTER...BRITT
REQUESTED BY...CHARLENE NAZARENKO
TYPE OF REQUEST...PRESCRIBED
.TAG 20121213.REGIO.01/LSX