FNUS73 KBIS 171222
FWSBIS

SPOT FORECAST FOR 8-3...TNC
NATIONAL WEATHER SERVICE BISMARCK ND
722 AM CDT SUN MAY 17 2009

FORECAST IS BASED ON IGNITION TIME OF 1200 CDT ON MAY 17.
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER
SERVICE.

.DISCUSSION...UPDATED FOR CHANGE IN IGNITION TIME...

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 WEST-SOUTHWESTERLY AT 20
TO 25 MPH AROUND 7 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.........61 AT IGNITION...MAX 70.
RH..................39 PERCENT AT IGNITION...MIN 34 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 50.
RH..................MAX 71 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 63.
RH..................MIN 47 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...ERIC ROSENQUIST
TYPE OF REQUEST...PRESCRIBED
.TAG 20090517.83___.01/BIS