FNUS73 KLSX 062228
FWSLSX

SPOT FORECAST FOR LOW GAP...USFS
NATIONAL WEATHER SERVICE ST LOUIS MO
528 PM CDT FRI JUL 6 2012

FORECAST IS BASED ON REQUEST TIME OF 1700 CDT ON JULY 06.
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE
NATIONAL WEATHER SERVICE.

...HEAT ADVISORY IN EFFECT UNTIL 10 PM CDT SATURDAY...

.DISCUSSION...
ISOLATED THUNDERSTORMS WILL BE POSSIBLE THROUGH EARLY THIS EVENING
AND AGAIN ON SATURDAY AFTERNOON.  OTHERWISE..PERSISTENT HOT AND DRY
WEATHER WILL CONTINUE THROUGH SATURDAY...WITH HIGHS ABOVE 100
DEGREES...AFTERNOON RELATIVE HUMIDITIES DROPPING TO 20 TO 25
PERCENT...AND 10 HOUR FUEL MOISTURE VALUES BELOW 8 PERCENT.

A COLD FRONT WILL MOVE SOUTHWARD ACROSS THE AREA EARLY SUNDAY
MORNING.  THIS FRONT WILL BRING TO AN END THE CURRENT HEAT WAVE
AND MAY ALSO YIELD SOME BENEFICIAL RAINFALL.  COVERAGE OF SHOWERS
AND THUNDERSTORMS DOES NOT LOOK OVERLY WIDESPREAD GIVEN THE TIME OF
PASSAGE OF THE FRONT.  HIGH TEMPERATURES FOR NEXT WEEK ARE FORECAST
TO BE NEAR OR SLIGHTLY BELOW AVERAGE FOR THIS TIME OF YEAR.

.SATURDAY...

SKY/WEATHER.........PARTLY CLOUDY. CHANCE OF SHOWERS AND
                    THUNDERSTORMS.
CWR.................30 PERCENT.
LAL.................1-8 STRIKES.
TEMPERATURE.........MAX 103.
RH..................MIN 28 PERCENT.
WIND...EYE LEVEL....LIGHT WIND.
WIND...20 FT........LIGHT WIND. GUSTY AND ERRATIC WINDS EXPECTED
                    NEAR THUNDERSTORMS.
HAINES INDEX........6 OR HIGH POTENTIAL FOR LARGE PLUME DOMINATED
                    FIRE GROWTH.
MIXING HEIGHT.......10700 FT AGL AT MAX HEATING.
TRANSPORT WIND......EAST AROUND 7 MPH.
VENTILATION RATE....GOOD (10071 M 2/S) AT MAX HEATING.

.SATURDAY NIGHT...

SKY/WEATHER.........PARTLY CLOUDY. SLIGHT CHANCE OF THUNDERSTORMS
                    IN THE EVENING.
CWR.................20 PERCENT.
LAL.................1-8 STRIKES UNTIL 2300...THEN NO TSTMS.
TEMPERATURE.........MIN 74.
RH..................MAX 84 PERCENT.
WIND...EYE LEVEL....LIGHT WIND.
WIND...20 FT........LIGHT WIND. GUSTY AND ERRATIC WINDS EXPECTED
                    NEAR THUNDERSTORMS UNTIL LATE EVENING.
HAINES INDEX........N/A.
MIXING HEIGHT.......N/A.
TRANSPORT WIND......N/A.
VENTILATION RATE....N/A.

$$

FORECASTER...TES
REQUESTED BY...STEWART TURNER
TYPE OF REQUEST...WILDFIRE
.TAG 20120706.LOWGA.01/LSX