FNUS73 KLSX 082200
FWSLSX

SPOT FORECAST FOR LOW GAP...USFS
NATIONAL WEATHER SERVICE ST LOUIS MO
500 PM CDT SUN JUL 8 2012

FORECAST IS BASED ON REQUEST TIME OF 1631 CDT ON JULY 08.
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE
NATIONAL WEATHER SERVICE.

...HEAT ADVISORY IN EFFECT UNTIL 7 PM CDT THIS EVENING...

.DISCUSSION...
SHOWERS AND THUNDERSTORMS WILL BE POSSIBLE THROUGH MONDAY...AS A COLD
FRONT PUSHES THROUGH THE AREA. LIGHT AND VARIABLE WINDS WILL SHIFT TO
THE NORTHEAST BEHIND THIS FRONT AND PICK UP TO AROUND 10 MPH. COOLER
AND DRIER AIR WILL MOVE IN BEHIND THIS FRONT. TEMPERATURES ON MONDAY
ARE EXPECTED TO TOP OUT AROUND 90 DEGREES WITH AFTERNOON RELATIVE
HUMIDITY LEVELS DROPPING TO AROUND 30 PERCENT ACROSS CENTRAL AND
NORTHEAST MISSOURI AS WELL AS WEST CENTRAL ILLINOIS.


.MONDAY...

SKY/WEATHER.........MOSTLY CLOUDY THEN BECOMING PARTLY SUNNY.
                    CHANCE OF SHOWERS AND THUNDERSTORMS.
CWR.................50 PERCENT.
LAL.................9-15 STRIKES.
TEMPERATURE.........MAX 86.
RH..................MIN 52 PERCENT.
WIND...EYE LEVEL....LIGHT WIND.
WIND...20 FT........LIGHT WIND EARLY IN THE MORNING BECOMING
                    NORTHEAST 5 TO 6 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.......3400 FT AGL AT MAX HEATING.
TRANSPORT WIND......NORTH AROUND 12 MPH.
VENTILATION RATE....POOR (5404 M 2/S) AT MAX HEATING.


.MONDAY TONIGHT...

SKY/WEATHER.........PARTLY CLOUDY. SLIGHT CHANCE OF SHOWERS AND
                    THUNDERSTORMS THROUGH MIDNIGHT.
CWR.................20 PERCENT.
LAL.................1-8 STRIKES.
TEMPERATURE.........MIN 68.
RH..................MAX 87 PERCENT.
WIND...EYE LEVEL....LIGHT WIND.
WIND...20 FT........NORTHEAST AROUND 5 MPH. GUSTY AND ERRATIC WINDS EXPECTED
                    NEAR THUNDERSTORMS.
HAINES INDEX........N/A.
MIXING HEIGHT.......N/A.
TRANSPORT WIND......N/A.
VENTILATION RATE....N/A.

$$

FORECASTER...BYRD
REQUESTED BY...STEWART TURNER
TYPE OF REQUEST...WILDFIRE
.TAG 20120708.LOWGA.01/LSX