FNUS73 KTOP 211449
FWSTOP

SPOT FORECAST FOR P-734...BIA
NATIONAL WEATHER SERVICE TOPEKA KS
949 AM CDT SAT MAR 21 2009

FORECAST IS BASED ON IGNITION TIME OF 1100 CDT ON MARCH 21.
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER
SERVICE.

.DISCUSSION...

ISOLATED SHOWERS THIS MORNING SHOULD REMAIN SOUTH OF THE AREA
THROUGH THE DAY. LIGHT SOUTHEAST WINDS OF 5 TO 10 MPH UP UNTIL
BURN TIME WILL THEN STEADILY INCREASE AFTER IGNITION TIME
THROUGH THE EARLY AFTERNOON WITH GUSTS OF 20 TO 25 MPH EXPECTED.
WITH SKIES PARTLY TO MOSTLY SUNNY...THE INCREASED MIXING SHOULD
AID TEMPERATURES TO STEADILY RISE FROM THE MID 50S AT IGNITION TO
AROUND 67 DEGREES BY 3 PM. DEW POINTS HOWEVER ARE EXPECTED TO
GRADUALLY INCREASE FROM NEAR 39 AT IGNITION TO THE MIDDLE 40S
BY MID AFTERNOON GENERALLY KEEPING RELATIVE HUMIDITY LEVELS FROM
DROPPING BELOW 50 PERCENT. MIXING HEIGHTS NEAR 2000 FEET AT IGNITION
ARE EXPECTED TO INCREASE TO AROUND 4100 FEET BY 3 PM WITH FAIR
TO GOOD SMOKE DISPERSAL.




.TODAY...

SKY/WEATHER.........PARTLY SUNNY.
TEMPERATURE.........55 AT IGNITION...MAX 67.
RH..................66 PERCENT AT IGNITION...MIN 52.
WIND (20 FT)........WINDS SOUTH AT 11 MPH AT IGNITION...OTHERWISE
                    SOUTHEAST WINDS 10 TO 15 MPH WITH GUSTS TO
                    AROUND 25 MPH.
HAINES INDEX........2 OR VERY LOW AT IGNITION...MAX 3.
SMOKE DISPERSAL.....FAIR /21200 KNOT-FT/ AT IGNITION.MAX...GOOD
                    /58700 KNOT-FT/.

$$
FORECASTER...WHITMORE
REQUESTED BY...BIA
TYPE OF REQUEST...PRESCRIBED
.TAG 20090321.P734_.01/TOP