FNUS73 KBIS 251540
FWSBIS

SPOT FORECAST FOR NORTH MARSH...BCWF
NATIONAL WEATHER SERVICE BISMARCK ND
1040 AM CDT SAT APR 25 2009

FORECAST IS BASED ON IGNITION TIME OF 1100 MDT ON APRIL 25.
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER
SERVICE.

.DISCUSSION...
BROAD HIGH PRESSURE CENTERED OVER SOUTH DAKOTA IS FORECAST TO
SLIDE EAST THIS EVENING AS A COLORADO LOW INTENSIFIES AND LIFTS
NORTHEASTWARD. SOUTHWESTERLY LOW LEVEL WINDS WILL BACK TO
SOUTHEASTERLY BY MIDNIGHT TONIGHT. PRECIPITATION SHOULD BEGIN BY
MID MORNING SUNDAY...WITH WINDS BACKING TO THE NORTHEAST BY EARLY
AFTERNOON. PRECIPITATION MAY BEGIN AS RAIN OR RAIN AND SNOW...BUT
SHOULD BECOME ALL SNOW BY SUNDAY AFTERNOON. SOME ACCUMULATION IS
POSSIBLE IN HEAVIER BANDS.

.TODAY...

SKY/WEATHER.........MOSTLY SUNNY.
TEMPERATURE.........46 AT IGNITION...MAX 57.
RH..................38 PERCENT AT IGNITION...MIN 23 PERCENT.
WIND (20 FT)........WINDS SOUTHWEST AT 10 TO 15 MPH AT
                    IGNITION. BETWEEN 1 PM CDT AND 4 PM CDT THE
                    WINDS SHOULD TURN SOUTH 10 TO 20 MPH.
SMOKE DISPERSAL.....EXCELLENT.

.TONIGHT...

SKY/WEATHER.........PARTLY CLOUDY THEN BECOMING MOSTLY CLOUDY.
                    SLIGHT CHANCE OF RAIN AND SNOW AFTER MIDNIGHT.
TEMPERATURE.........MIN 33.
RH..................MAX 82 PERCENT.
WIND (20 FT)........SOUTHEAST WINDS AROUND 15 MPH DECREASING TO
                    AROUND 5 MPH AFTER MIDNIGHT.
SMOKE DISPERSAL.....POOR.

$$
FORECASTER...WALKER
REQUESTED BY...W  BROWN
TYPE OF REQUEST...PRESCRIBED
.TAG 20090425.NORTH.01/BIS