FNUS73 KLSX 161428
FWSLSX

SPOT FORECAST FOR 829...MARK TWAIN NATIONAL FOREST
NATIONAL WEATHER SERVICE ST LOUIS MO
928 AM CDT SAT JUN 16 2012

FORECAST IS BASED ON REQUEST TIME OF 0844 CDT ON JUNE 16.
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE
NATIONAL WEATHER SERVICE.

.DISCUSSION...
ANOTHER HOT DAY IS ON TAP FOR THE AREA TODAY.  MOISTURE
WILL ALSO SLOWLY INCREASE AND THIS INCREASE COMBINED WITH
AN APPROACHING COLD FRONT WILL BRING A CHANCE OF THUNDERSTORMS
TO THE AREA.  THE THREAT FOR THUNDERSTORMS WILL BE GREATEST
TONIGHT AND SUNDAY AS THE COLD FRONT EDGES INTO THE AREA.
GUSTY SOUTHERLY WINDS ARE ALSO IN THE FORECAST FOR MONDAY AS
THE HEAT RETURNS AFTER A BRIEF AND SUBTLE BREAK ON SUNDAY.


.EXTENDED FORECAST...

MONDAY...PARTLY CLOUDY. HIGH IN THE LOWER 90S. SOUTH WIND 10 TO 13 MPH WITH
GUSTS TO 18 MPH. LOWEST RH 35 TO 40 PERCENT.

.TUESDAY AND WEDNESDAY...PARTLY CLOUDY. HIGH IN THE LOWER 90S. LOWEST RH
35 TO 40 PERCENT. SOUTH WIND 7 TO 10 MPH WITH GUSTS OF 12 TO 14 MPH.

.THURSDAY...PARTLY CLOUDY. HIGH IN THE LOWER 90S. SOUTH WIND
5 TO 8 MPH. LOWEST RH NEAR 35 PERCENT.

.FRIDAY...PARTLY CLOUDY WITH A 40 PERCENT CHANCE OF SHOWERS AND THUNDERSTORMS.
HIGH IN THE UPPER 80S. WIND SHIFTING TO THE NORTHWEST 5 TO 10 MPH.
LOWEST RH AROUND 45 PERCENT.





.REST OF TODAY...

SKY/WEATHER.........PARTLY CLOUDY. SLIGHT CHANCE OF SHOWERS AND
                    THUNDERSTORMS IN THE AFTERNOON.
CWR.................20 PERCENT.
LAL.................NO TSTMS UNTIL 1300...THEN 1-8 STRIKES.
TEMPERATURE.........MAX 92.
RH..................MIN 36 PERCENT.
WIND...EYE LEVEL....SOUTH WIND 2 TO 3 MPH.
WIND...20 FT........SOUTH WIND 6 TO 9 MPH. GUSTY AND ERRATIC WINDS
                    EXPECTED NEAR THUNDERSTORMS IN THE AFTERNOON.
HAINES INDEX........4 OR LOW POTENTIAL FOR LARGE PLUME DOMINATED
                    FIRE GROWTH.
MIXING HEIGHT.......6900 FT AGL AT MAX HEATING.
TRANSPORT WIND......SOUTH AROUND 14 MPH.
VENTILATION RATE....GOOD (13040 M 2/S) AT MAX HEATING.

.TONIGHT...

SKY/WEATHER.........PARTLY CLOUDY. CHANCE OF SHOWERS AND
                    THUNDERSTORMS.
CWR.................30 PERCENT.
LAL.................1-8 STRIKES UNTIL 0300...THEN 9-15 STRIKES.
TEMPERATURE.........MIN 68.
RH..................MAX 93 PERCENT.
WIND...EYE LEVEL....SOUTH WIND 1 TO 3 MPH.
WIND...20 FT........SOUTHWEST WIND 5 TO 7 MPH UNTIL EARLY MORNING
                    BECOMING LIGHT. GUSTY AND ERRATIC WINDS
                    EXPECTED NEAR THUNDERSTORMS.
HAINES INDEX........N/A.
MIXING HEIGHT.......N/A.
TRANSPORT WIND......N/A.
VENTILATION RATE....N/A.

.SUNDAY...

SKY/WEATHER.........PARTLY SUNNY. CHANCE OF SHOWERS AND
                    THUNDERSTORMS.
CWR.................30 PERCENT.
LAL.................9-15 STRIKES.
TEMPERATURE.........MAX 89.
RH..................MIN 41 PERCENT.
WIND...EYE LEVEL....LIGHT WIND EARLY BECOMING SOUTHWEST 2 TO 4 MPH
                    WITH GUSTS OF 6 TO 7 MPH.
WIND...20 FT........LIGHT WIND EARLY IN THE MORNING BECOMING
                    SOUTHWEST 7 TO 12 MPH WITH GUSTS TO AROUND 21
                    MPH. GUSTY AND ERRATIC WINDS EXPECTED NEAR
                    THUNDERSTORMS.
HAINES INDEX........4 OR LOW POTENTIAL FOR LARGE PLUME DOMINATED
                    FIRE GROWTH.
MIXING HEIGHT.......6000 FT AGL AT MAX HEATING.
TRANSPORT WIND......SOUTHWEST AROUND 17 MPH.
VENTILATION RATE....GOOD (14124 M 2/S) AT MAX HEATING.

$$

FORECASTER...GLASS
REQUESTED BY...CHARLENE NAZARENKO
TYPE OF REQUEST...WILDFIRE
.TAG 20120616.829__.01/LSX