FNUS73 KLSX 221155
FWSLSX

SPOT FORECAST FOR MARK TWAIN LAKE...CORPS OF ENGINEERS
NATIONAL WEATHER SERVICE ST LOUIS MO
655 AM CDT WED APR 22 2009

FORECAST IS BASED ON IGNITION TIME OF 1000 CDT ON APRIL 22.
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE
NATIONAL WEATHER SERVICE.

.DISCUSSION...
A WEAK TROF OF LOW PRESSURE WILL MOVE ACROSS THE AREA THIS
MORNING...CAUSING A WIND SHIFT FROM SOUTHWEST TO NORTHWEST
AROUND 11 A.M.  OTHERWISE...WEAK HIGH PRESSURE WILL BUILD
ACROSS THE AREA TONIGHT WITH A CALM WIND BECOMING SOUTHEAST
TOWARD THURSDAY MORNING.

.REST OF TODAY...

SKY/WEATHER.........PARTLY CLOUDY.
CWR.................0 PERCENT.
LAL.................NO TSTMS.
TEMPERATURE.........56 AT IGNITION...MAX 71.
RH..................50 PERCENT AT IGNITION...MIN 25 PERCENT.
WIND...EYE LEVEL....WEST-SOUTHWEST WIND WIND 5 TO 10 MPH
                    ...SHIFTING TO THE NORTHWEST AROUND 11 A.M.
WIND...20 FT........WINDS WEST-SOUTHWEST AT 10 MPH AT IGNITION
                    ...SHIFTING TO THE NORTHWEST AROUND 11 A.M.
HAINES INDEX........5 OR MODERATE POTENTIAL FOR LARGE PLUME
                    DOMINATED FIRE GROWTH.
MIXING HEIGHT.......6000 FT AGL.
TRANSPORT WIND......WEST AROUND 10 MPH.
VENTILATION RATE....FAIR (8515 M 2/S).

.THURSDAY...

SKY/WEATHER.........PARTLY CLOUDY...SLIGHT CHANCE OF A SHOWER IN THE
                    MORNING.
CWR.................20 PERCENT.
LAL.................NO TSTMS.
TEMPERATURE.........MAX 78.
RH..................MIN 35 PERCENT.
WIND...EYE LEVEL....SOUTHEAST WIND 10 TO 15 MPH.
WIND...20 FT........SOUTHEAST WIND 10 TO 15 MPH WITH GUSTS TO AROUND 25
                    MPH.
HAINES INDEX........4 OR LOW POTENTIAL FOR LARGE PLUME DOMINATED
                    FIRE GROWTH.
MIXING HEIGHT.......2700 FT AGL.
TRANSPORT WIND......SOUTH AROUND 25 MPH.
VENTILATION RATE....FAIR (8829 M 2/S).

$$

FORECASTER...CVKING
REQUESTED BY...ALLEN MEHRER
TYPE OF REQUEST...PRESCRIBED
.TAG 20090422.MARKT.02/LSX