FNUS73 KTOP 181729
FWSTOP

SPOT FORECAST FOR BIA...BIA
NATIONAL WEATHER SERVICE TOPEKA KS
1229 PM CDT FRI MAR 18 2011

FORECAST IS BASED ON IGNITION TIME OF 130 CDT ON MARCH 18.
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER
SERVICE.

.DISCUSSION...
WEAK SFC RIDGING OVER THE MISSOURI RIVER VALLEY WILL NOSE INTO THE
BURN AREA CAUSING NORTH AND NORTHEAST WINDS TO GRADUALLY BECOME MORE
EASTERLY AS THE AFTERNOON PROGRESSES...WITH WINDS BY 6 PM GENERALLY FROM
ABOUT 70 DEGREES AT 5 TO 7 MPH. DEWPOINTS ARE EXPECTED REMAIN FAIRLY
STEADY THIS AFTERNOON WITH TEMPERATURES WARMING INTO THE UPPER 50S. THIS
WILL CREATE MIN RH VALUES BETWEEN 40 AND 45 PERCENT. THE MAIN
UNCERTAINTY WITH THE FORECAST IS HIGHS TEMPS, WHICH COULD END UP BEING
A DEGREE OR TWO WARMER. THIS MAY CAUSE SLIGHTLY LOWER RH READINGS BY THE
END OF THE BURN.

.TODAY...

SKY/WEATHER.........PARTLY SUNNY.
TEMPERATURE.........57 AT IGNITION...MAX 59.
RH..................44 PERCENT AT IGNITION...MIN 44.
WIND (20 FT)........WINDS NORTHEAST AT 11 MPH AT
                    IGNITION...OTHERWISE NORTHEAST WINDS 6 TO 11
                    MPH.
HAINES INDEX........5 OR MODERATE AT IGNITION...MAX 5.
SMOKE DISPERSAL.....GOOD /57800 KNOT-FT/ AT IGNITION.
                    MAX...EXCELLENT /62600 KNOT-FT/.

.TONIGHT...

SKY/WEATHER.........PARTLY CLOUDY.
TEMPERATURE.........MIN 34.
RH..................MAX 80 PERCENT.
WIND (20 FT)........NORTHEAST WINDS 5 TO 6 MPH SHIFTING TO THE EAST
                    AROUND 5 MPH LATE IN THE EVENING...THEN
                    INCREASING TO 5 TO 7 MPH AFTER MIDNIGHT.
HAINES INDEX........MAX 4.
SMOKE DISPERSAL.....MIN...POOR /2600 KNOT-FT/.

.SATURDAY...

SKY/WEATHER.........MOSTLY CLOUDY. CHANCE OF RAIN SHOWERS. CHANCE
                    OF SHOWERS 40 PERCENT.
TEMPERATURE.........MAX 55.
RH..................MIN 56 PERCENT.
WIND (20 FT)........SOUTHEAST WINDS 11 TO 16 MPH WITH GUSTS TO
                    AROUND 25 MPH.
HAINES INDEX........MAX 3.
SMOKE DISPERSAL.....MAX...EXCELLENT /86500 KNOT-FT/.

$$
FORECASTER...WOLTERS
REQUESTED BY...UNK
TYPE OF REQUEST...PRESCRIBED
.TAG 20110318.BIA__.01/TOP