FNUS73 KBIS 171237
FWSBIS

SPOT FORECAST FOR EAST ARROWWOOD LAKE...USFWS
NATIONAL WEATHER SERVICE BISMARCK ND
737 AM CDT SUN MAY 17 2009

FORECAST IS BASED ON IGNITION TIME OF 1000 CDT ON MAY 17.
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER
SERVICE.

.DISCUSSION...

SURFACE LOW PRESSURE OVER SOUTHWESTERN SASKATCHEWAN IS FORECAST TO
SLIDE EASTWARD TO NEAR LAKE WINNIPEG BY 10 PM CDT THIS EVENING. AN
ASSOCIATED WARM FRONT WILL SWEEP EASTWARD TODAY AND
TONIGHT...RESULTING IN SOUTHERLY WINDS AROUND 15 MPH BECOMING
SOUTHWESTERLY AT 20 TO 25 MPH AROUND 8 PM CDT. THE ASSOCIATED
COLD FRONT THEN PLOWS SOUTHWARD THROUGH THE STATE ON MONDAY
MORNING...CAUSING GUSTY NORTHERLY WINDS AROUND 15 TO 20 MPH.
CURRENT THINKING IS THAT THESE FRONTS WILL BE MOISTURE
STARVED...SO PRECIPITATION CHANCES ARE VERY SMALL UNTIL THE NEXT
SYSTEM COMES INTO THE PLAINS ON TUESDAY/WEDNESDAY.

.TODAY...

SKY/WEATHER.........PARTLY SUNNY.
TEMPERATURE.........53 AT IGNITION...MAX 68.
RH..................44 PERCENT AT IGNITION...MIN 33 PERCENT.
WIND (20 FT)........WINDS SOUTH AT 15 MPH AT IGNITION...OTHERWISE
                    BREEZY. SOUTH WINDS AROUND 15 MPH INCREASING TO
                    AROUND 25 MPH IN THE AFTERNOON.
HAINES INDEX........4 LOW AT IGNITION...MAX 4.
SMOKE DISPERSAL.....GOOD.
LAL.................1.
CWR.................0 PERCENT.

.TONIGHT...

SKY/WEATHER.........PARTLY CLOUDY.
TEMPERATURE.........MIN 48.
RH..................MAX 77 PERCENT.
WIND (20 FT)........SOUTH WINDS AROUND 20 MPH BECOMING SOUTHWEST
                    AFTER MIDNIGHT.
SMOKE DISPERSAL.....POOR.
LAL.................1.
CWR.................0 PERCENT.

.MONDAY...

SKY/WEATHER.........PARTLY SUNNY.
TEMPERATURE.........MAX 66.
RH..................MIN 39 PERCENT.
WIND (20 FT)........BREEZY. NORTHWEST WINDS AROUND 15 MPH
                    INCREASING TO NORTH AROUND 25 MPH IN THE
                    AFTERNOON.
HAINES INDEX........4 LOW.
SMOKE DISPERSAL.....GOOD.
LAL.................1.
CWR.................0 PERCENT.

$$
FORECASTER...SCHECK
REQUESTED BY...DFMO
TYPE OF REQUEST...PRESCRIBED
.TAG 20090517.EASTA.01/BIS