FNUS73 KLSX 171358
FWSLSX

SPOT FORECAST FOR 829...MARK TWAIN NATIONAL FOREST
NATIONAL WEATHER SERVICE ST LOUIS MO
858 AM CDT SUN JUN 17 2012

FORECAST IS BASED ON REQUEST TIME OF 0809 CDT ON JUNE 17.
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE
NATIONAL WEATHER SERVICE.

.DISCUSSION...
CHANCES FOR THUNDERSTORMS WILL EXIST MAINLY DURING MID AND
LATE AFTERNOON...WITH ANY THUNDERSTORMS THAT FORM CAPABLE OF
PRODUCING GUSTY AND ERRATIC WINDS AND DANGEROUS LIGHTNING.
SEASONABLY HOT AND DRY WEATHER WILL BE THE RULE FOR MONDAY
THROUGH WEDNESDAY WITH THE RETURN OF RAIN CHANCES HEADING
INTO LATE WEEK AS A COLD FRONT SLOWLY MOVES THROUGH. THERE IS
A HEIGHTENED FIRE DANGER MONDAY AFTERNOON DUE TO LOW RELATIVE
HUMIDITY VALUES...DRY FUELS...AND GUSTY SOUTH TO SOUTHWEST WINDS.

.EXTENDED FORECAST...

.TUESDAY...MOSTLY SUNNY. HIGH IN THE LOWER 90S. SOUTH WIND 10 TO
20 MPH. LOWEST RH 35 TO 40 PERCENT.

.WEDNESDAY...MOSTLY SUNNY. HIGH IN THE LOWER 90S. SOUTH WIND 8 TO
10 MPH GUSTING TO 13 TO 15 MPH. LOWEST RH 35 TO 40 PERCENT.

.THURSDAY...PARTLY CLOUDY. HIGH IN THE LOWER 90S. SOUTHWEST WIND
AROUND 5 MPH. LOWEST RH AROUND 35 PERCENT.

.FRIDAY...PARTLY CLOUDY WITH A 30 PERCENT CHANCE OF THUNDERSTORMS.
HIGH AROUND 90. WIND SHIFTING TO THE NORTH AROUND 5 MPH. LOWEST
RH 40 TO 45 PERCENT.


.REST OF TODAY...

SKY/WEATHER.........MOSTLY CLOUDY THEN BECOMING PARTLY SUNNY.
                    CHANCE OF SHOWERS AND THUNDERSTORMS.
CWR.................40 PERCENT.
LAL.................9-15 STRIKES UNTIL 1600...THEN 1-8 STRIKES.
TEMPERATURE.........76 AT REQUEST...MAX 88.
RH..................74 PERCENT AT REQUEST...MIN 46 PERCENT.
WIND...EYE LEVEL....SOUTH 3 TO 5 MPH.
WIND...20 FT........WINDS SOUTH AT 5 MPH AT REQUEST...OTHERWISE
                    SOUTHWEST WIND AROUND 5 MPH DURING MID AND LATE
                    MORNING SHIFTING TO THE SOUTH 5 TO 9 MPH IN THE
                    LATE MORNING AND AFTERNOON. GUSTY AND ERRATIC
                    WINDS EXPECTED NEAR THUNDERSTORMS.
HAINES INDEX........3 OR VERY LOW POTENTIAL FOR LARGE PLUME
                    DOMINATED FIRE GROWTH.
MIXING HEIGHT.......5100 FT AGL AT MAX HEATING.
TRANSPORT WIND......SOUTHWEST AROUND 13 MPH.
VENTILATION RATE....FAIR (8814 M 2/S) AT MAX HEATING.

.TONIGHT...

SKY/WEATHER.........PARTLY CLOUDY.
CWR.................10 PERCENT.
LAL.................NO TSTMS.
TEMPERATURE.........MIN 68.
RH..................MAX 89 PERCENT.
WIND...EYE LEVEL....SOUTH 2 TO 4 MPH.
WIND...20 FT........SOUTH WIND 5 TO 7 MPH.
HAINES INDEX........N/A.
MIXING HEIGHT.......N/A.
TRANSPORT WIND......N/A.
VENTILATION RATE....N/A.

.MONDAY...

SKY/WEATHER.........MOSTLY SUNNY.
CWR.................0 PERCENT.
LAL.................NO TSTMS.
TEMPERATURE.........MAX 92.
RH..................MIN 31 PERCENT.
WIND...EYE LEVEL....SOUTH 4 TO 6 MPH GUSTING TO 7 TO 9 MPH IN THE
                    MORNING INCREASING TO 5 TO 7 MPH WITH GUSTS TO
                    AROUND 12 TO 15 MPH IN THE LATE MORNING AND
                    AFTERNOON.
WIND...20 FT........SOUTH WIND 7 TO 12 MPH WITH GUSTS TO AROUND 18
                    MPH EARLY IN THE MORNING INCREASING TO 12 TO 15
                    MPH WITH GUSTS TO AROUND 25 MPH IN THE LATE
                    MORNING AND AFTERNOON.
HAINES INDEX........4 OR LOW POTENTIAL FOR LARGE PLUME DOMINATED
                    FIRE GROWTH.
MIXING HEIGHT.......4900 FT AGL AT MAX HEATING.
TRANSPORT WIND......SOUTH AROUND 26 MPH.
VENTILATION RATE....VERY GOOD (17879 M 2/S) AT MAX HEATING.

$$

FORECASTER...JP
REQUESTED BY...CHARLENE NAZARENKO
TYPE OF REQUEST...WILDFIRE
.TAG 20120617.829__.01/LSX