FNUS73 KLSX 091243
FWSLSX

SPOT FORECAST FOR MARK TWAIN LAKE...CORPS OF ENGINEERS
NATIONAL WEATHER SERVICE ST LOUIS MO
743 AM CDT THU APR 9 2009

FORECAST IS BASED ON IGNITION TIME OF 0740 CDT ON APRIL 09.
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE
NATIONAL WEATHER SERVICE.

.DISCUSSION...
A LOW PRESSURE SYSTEM TO OUR WEST WILL STRENGTHEN AS IT APPROACHES
TODAY.  THIS WILL CAUSE THE LIGHT AND VARIABLE WINDS FROM THIS
MORNING TO BECOME EASTERLY BY MID-MORNING AND STRENGTHEN DURING THE
DAY.  THIS SYSTEM WILL PRODUCE SHOWERS BY THIS EVENING WHICH WILL
TRANSITION TO A STEADY RAIN OVERNIGHT.

.REST OF TODAY...

SKY/WEATHER.........INCREASING CLOUDINESS WITH A CHANCE OF SHOWERS
CWR.................40 PERCENT.
LAL.................NO TSTMS.
TEMPERATURE.........38 AT IGNITION...MAX 57.
RH..................70 PERCENT AT IGNITION...MIN 43 PERCENT.
WIND...EYE LEVEL....EAST WIND 5 TO 10 MPH INCREASING TO AROUND 15
                    MPH LATE IN THE AFTERNOON.
WIND...20 FT........WINDS EAST AT 5 MPH AT IGNITION...OTHERWISE
                    EAST WIND 5 TO 10 MPH INCREASING TO AROUND 15
                    MPH LATE IN THE AFTERNOON.
HAINES INDEX........5 OR MODERATE POTENTIAL FOR LARGE PLUME
                    DOMINATED FIRE GROWTH.
MIXING HEIGHT.......AT IGNITION: 700 FT AGL...MAX: 2700 FT AGL.
TRANSPORT WIND......EAST AROUND 15 MPH.
VENTILATION RATE....POOR (5593 M 2/S).

$$

FORECASTER...MILLER
REQUESTED BY...ALLEN MEHRER
TYPE OF REQUEST...PRESCRIBED
.TAG 20090409.MARKT.01/LSX