FNUS73 KLSX 131329
FWSLSX

SPOT FORECAST FOR 829...USFS
NATIONAL WEATHER SERVICE ST LOUIS MO
829 AM CDT WED JUN 13 2012

FORECAST IS BASED ON REQUEST TIME OF 0805 CDT ON JUNE 13.
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE
NATIONAL WEATHER SERVICE.

.DISCUSSION...
NEAR NORMAL TEMPERATURES EXPECTED TODAY ACROSS THE REGION DUE TO A
RIDGE OF HIGH PRESSURE. MINIMUM AFTERNOON RELATIVE HUMIDITY VALUES
ARE EXPECTED TO FALL TO BETWEEN 25 AND 30 PERCENT THIS AFTERNOON AND
AGAIN ON THURSDAY AFTERNOON. HOWEVER WINDS SHOULD REMAIN BELOW 10
MILES PER HOUR THIS AFTERNOON...BUT BE NEAR 10 MPH ON THURSDAY
AFTERNOON. AS THIS RIDGE BUILDS IN AND MOVES SLOWLY EASTWARD...
EASTERLY WINDS WILL GRADUALLY VEER TO THE SOUTHEAST BY THURSDAY...
THEN EVENTUALLY TO THE SOUTH. A WARMING TREND WILL BEGIN THURSDAY
AND CONTINUE INTO THE WEEKEND...THOUGH HIGHER RH VALUES WILL
ACCOMPANY THE WARMER TEMPERATURES BY FRIDAY.


.REST OF TODAY...

SKY/WEATHER.........SUNNY.
CWR.................0 PERCENT.
LAL.................NO TSTMS.
TEMPERATURE.........64 AT REQUEST...MAX 83.
RH..................60 PERCENT AT REQUEST...MIN 29 PERCENT.
WIND...EYE LEVEL....EAST WIND 1 TO 2 MPH THIS MORNING...THEN EAST
                    WIND 2 TO 3 MPH THIS AFTERNOON USING A WIND
                    ADJUSTMENT FACTOR OF 0.2
WIND...20 FT........WINDS EAST AT 4 TO 5 MPH THIS MORNING...THEN
                    EAST AT 6 TO 8 MPH THIS AFTERNOON.
HAINES INDEX........5 OR MODERATE POTENTIAL FOR LARGE PLUME
                    DOMINATED FIRE GROWTH.
MIXING HEIGHT.......4600 FT AGL AT MAX HEATING.
TRANSPORT WIND......SOUTHEAST AROUND 5 MPH.
VENTILATION RATE....POOR (2875 M 2/S) AT MAX HEATING.

.TONIGHT...

SKY/WEATHER.........MOSTLY CLEAR.
CWR.................0 PERCENT.
LAL.................NO TSTMS.
TEMPERATURE.........MIN 57.
RH..................MAX 80 PERCENT.
WIND...EYE LEVEL....CALM TO 1 MPH.
WIND...20 FT........LIGHT WIND.
HAINES INDEX........N/A.
MIXING HEIGHT.......N/A.
TRANSPORT WIND......N/A.
VENTILATION RATE....N/A.

.THURSDAY...

SKY/WEATHER.........MOSTLY SUNNY.
CWR.................0 PERCENT.
LAL.................NO TSTMS.
TEMPERATURE.........MAX 87.
RH..................MIN 29 PERCENT.
WIND...EYE LEVEL....NEARLY CALM EARLY IN THE MORNING...BECOMING SOUTHEAST
                    1 TO 3 MPH USING A WIND ADJUSTMENT FACTOR OF 0.2
WIND...20 FT........LIGHT WIND EARLY IN THE MORNING BECOMING
                    SOUTHEAST 5 TO 7 MPH IN THE LATE MORNING AND
                    AFTERNOON.
HAINES INDEX........5 OR MODERATE POTENTIAL FOR LARGE PLUME
                    DOMINATED FIRE GROWTH.
MIXING HEIGHT.......4800 FT AGL AT MAX HEATING.
TRANSPORT WIND......SOUTH AROUND 10 MPH.
VENTILATION RATE....FAIR (6787 M 2/S) AT MAX HEATING.

$$

FORECASTER...GLASS
REQUESTED BY...CHARLENE NAZARENKO
TYPE OF REQUEST...WILDFIRE
.TAG 20120613.829__.01/LSX