FNUS73 KLSX 081200
FWSLSX

SPOT FORECAST FOR MARK TWAIN LAKE...CORPS OF ENGINEERS
NATIONAL WEATHER SERVICE ST LOUIS MO
700 AM CDT WED APR 8 2009

FORECAST IS BASED ON IGNITION TIME OF 1000 CDT ON APRIL 08.
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE
NATIONAL WEATHER SERVICE.

.DISCUSSION...
A SURFACE TROUGH WILL PUSH SOUTHWARD THROUGH THE AREA THIS MORNING. WINDS
WILL BECOME NORTHWESTERLY BEHIND THIS TROUGH AND INCREASE TO AROUND 20 MPH.
DEEP MIXING IS EXPECTED TODAY CAUSING DEW POINTS TO DROP. COMBINE THE LOWER
DEW POINTS WITH WARMER TEMPERATURES AND HUMIDITY LEVELS ARE FORECAST TO DROP
TO AROUND 30 PERCENT THIS AFTERNOON.

.REST OF TODAY...

SKY/WEATHER.........SUNNY.
CWR.................0 PERCENT.
LAL.................NO TSTMS.
TEMPERATURE.........44 AT IGNITION...MAX 60.
RH..................53 PERCENT AT IGNITION...MIN 33 PERCENT.
WIND...EYE LEVEL....WEST WIND AROUND 10 MPH EARLY IN THE MORNING
                    SHIFTING TO THE NORTHWEST IN THE LATE MORNING
                    AND AFTERNOON.
WIND...20 FT........WINDS NORTHWEST AT 15 MPH AT
                    IGNITION...OTHERWISE WEST WIND AROUND 10 MPH
                    EARLY IN THE MORNING SHIFTING TO THE NORTHWEST
                    IN THE LATE MORNING AND AFTERNOON.
HAINES INDEX........5 OR MODERATE POTENTIAL FOR LARGE PLUME
                    DOMINATED FIRE GROWTH.
MIXING HEIGHT.......AT IGNITION: 2600 FT AGL...MAX: 4900 FT AGL.
TRANSPORT WIND......NORTHWEST AROUND 25 MPH.
VENTILATION RATE....GOOD (15695 M 2/S).

$$

FORECASTER...MILLER
REQUESTED BY...ALLEN MEHRER
TYPE OF REQUEST...PRESCRIBED
.TAG 20090408.MARKT.02/LSX