Suppression Forecast
Issued by NWS St. Louis, MO

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FNUS73 KLSX 151804
FWSLSX

SPOT FORECAST FOR HIGH RIDGE NORTH...MODNR
NATIONAL WEATHER SERVICE ST LOUIS MO
104 PM CDT WED APR 15 2015

FORECAST IS BASED ON IGNITION TIME OF 1100 CDT ON APRIL 16.
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE
NATIONAL WEATHER SERVICE.

.DISCUSSION...
TEMPERATURES WILL BE ABOUT 5-7 DEGREES WARMER ON THURSDAY
COMPARED TO TODAY. DEW POINTS WILL ALSO BE HIGHER ON THURSDAY
THEREFORE THE RELATIVE HUMIDITY VALUES WILL ALSO BE HIGHER ON
THURSDAY AFTERNOON THAN THEY WILL HAVE BEEN TODAY.

.THURSDAY...

SKY/WEATHER.........PARTLY SUNNY.
CWR.................10 PERCENT.
LAL.................NO TSTMS.
TEMPERATURE.........66 AT IGNITION...MAX 75.
RH..................63 PERCENT AT IGNITION...MIN 51 PERCENT.
WIND...EYE LEVEL....NORTHWEST AT 1-2 MPH AT IGNITION OTHERWISE
                    LIGHT WIND. EYE LEVEL WINDS WERE CALCULATED
                    WITH AN ADJUSTMENT FACTOR OF 0.4 FOR
                    UNSHELTERED GRASSES (FUEL MODEL 1).
WIND...20 FT........WINDS NORTHWEST AT 3 MPH AT
                    IGNITION...OTHERWISE LIGHT WIND.
HAINES INDEX........3 OR VERY LOW POTENTIAL FOR LARGE PLUME
                    DOMINATED FIRE GROWTH.
MIXING HEIGHT.......APPROXIMATELY 3000 FT AT
                    IGNITION...4500 FT AGL AT MAX HEATING.
TRANSPORT WIND......WEST AROUND 3 MPH.
VENTILATION RATE....POOR (2121 M^2/S) AT MAX HEATING.

$$

FORECASTER...KANOFSKY
REQUESTED BY...ROXIE CAMPBELL
TYPE OF REQUEST...PRESCRIBED
.TAG 20150416.HIGHR.01/LSX





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