FNUS73 KBIS 181337
FWSBIS

SPOT FORECAST FOR F1...USFWS
NATIONAL WEATHER SERVICE BISMARCK ND
837 AM CDT WED MAY 18 2011

FORECAST IS BASED ON IGNITION TIME OF 1200 CDT ON MAY 18.
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER
SERVICE.

.DISCUSSION...TODAY WILL BE SUNNY BUT WINDY AS A LOW PRESSURE
TROUGH REMAINS NEARLY STATIONARY OVER EASTERN MONTANA.  THE MORNING
SOUNDING FROM BISMARCK INDICATED THAT THE SURFACE INVERSION WOULD BREAK
AT AROUND 60 DEGREES ALLOWING STRONGER WINDS ALOFT TO MOVE TO THE
SURFACE.  WINDS BY NOON WILL BE SOUTHEAST 20 TO 25 MPH WITH STRONGER
GUSTS.  THE FIRE DANGER INDEX WILL BE IN THE HIGH CATEGORY.

.TODAY...

SKY/WEATHER.........MOSTLY SUNNY.
TEMPERATURE.........59 AT IGNITION...MAX 65.
RH..................40 PERCENT AT IGNITION...MIN 27 PERCENT.
WIND (20 FT)........WINDS SOUTHEAST AT 20 MPH AT
                    IGNITION...OTHERWISE BREEZY. SOUTHEAST WINDS
                    AROUND 15 MPH INCREASING TO AROUND 20 MPH LATE
                    IN THE MORNING...THEN INCREASING TO AROUND 25
                    MPH EARLY IN THE AFTERNOON DECREASING TO AROUND
                    20 MPH LATE IN THE AFTERNOON.
HAINES INDEX........4 LOW AT IGNITION...MAX 4.
SMOKE DISPERSAL.....EXCELLENT.
LAL.................1.
CWR.................0 PERCENT.

.TONIGHT...

SKY/WEATHER.........PARTLY CLOUDY.
TEMPERATURE.........MIN 48.
RH..................MAX 83 PERCENT.
WIND (20 FT)........SOUTHEAST WINDS AROUND 15 MPH BECOMING EAST 5
                    TO 10 MPH IN THE LATE EVENING AND OVERNIGHT.
SMOKE DISPERSAL.....POOR.
LAL.................1.
CWR.................0 PERCENT.

.THURSDAY...

SKY/WEATHER.........MOSTLY CLOUDY.
TEMPERATURE.........MAX 68.
RH..................MIN 50 PERCENT.
WIND (20 FT)........EAST WINDS AROUND 10 MPH INCREASING TO 15 TO 20
                    MPH.
HAINES INDEX........3 VERY LOW.
SMOKE DISPERSAL.....EXCELLENT.
LAL.................1.
CWR.................0 PERCENT.

$$
FORECASTER...WALKER
REQUESTED BY...JEFF DION
TYPE OF REQUEST...PRESCRIBED
.TAG 20110518.F1___.02/BIS