FNUS73 KBIS 221323
FWSBIS

SPOT FORECAST FOR LAKE ZAHL...USFWS
NATIONAL WEATHER SERVICE BISMARCK ND
823 AM CDT SAT AUG 22 2009

FORECAST IS BASED ON IGNITION TIME OF 1200 CDT ON AUGUST 22.
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER
SERVICE.

.DISCUSSION...A COLD FRONT MOVING THROUGH CENTRAL SASKATCHEWAN
THIS MORNING WILL BRIEFLY GRAZE THE BURN AREA LATE AFTERNOON AND
EARLY EVENING. A LINE OF SHOWERS AND THUNDERSTORMS ARE NOW
OCCURRING OVER NORTH CENTRAL MONTANA...RIGHT ALONG THE FRONT.
THESE SHOWERS AND THUNDERSTORMS ARE MOVING NORTHEAST WITH TIME. IT
IS UNLIKELY THAT THEY WILL HOLD TOGETHER AND IMPACT THE BURN
AREA...BUT WILL MONITOR THEM THROUGH THE MORNING AND UPDATE IF
NEED BE. THE CLOUDINESS WILL CONTINUE TO ADVANCE EAST FROM THESE
THUNDERSTORMS THROUGH IGNITION TIME...SO EXPECT MOSTLY SUNNY TO
PARTLY CLOUDY SKIES. WINDS WILL VEER OR TURN CLOCKWISE FROM
SOUTHEAST TO SOUTH AND THEN SOUTHWEST AS THE FRONT APPROACHES
TODAY. MIGHT SEE A BRIEF WIND SHIFT TO THE WEST AS THE PRECIPITATION
AREA WEAKENS OUT BEFORE REACHING THE BURN AREA AROUND IGNITION
TIME...THEN SWITCHING BACK TO THE SOUTHWEST THEREAFTER. HOWEVER
WINDS LOOK TO REMAIN AT OR BELOW 15 MPH DURING THE DAY. THE WINDS
WILL SHIFT TO THE NORTH TONIGHT ONCE THE COLD FRONT PASSES THROUGH.
SCATTERED SHOWERS AND THUNDERSTORMS WILL DEVELOP LATE SUNDAY
AFTERNOON THROUGH SUNDAY NIGHT AS ANOTHER FRONT IMPACTS THE AREA.

.TODAY...

SKY/WEATHER.........MOSTLY TO PARTLY SUNNY.
TEMPERATURE.........77F AT IGNITION...MAX 87F.
RH..................44 PERCENT AT IGNITION...MIN 27 PERCENT.
WIND (20 FT)........WINDS SOUTHEAST AT 10 TO 15 MPH AT IGNITION...SHIFTING
                    TO THE SOUTH AND SOUTHWEST IN THE AFTERNOON.
HAINES INDEX........5 MODERATE AT IGNITION...MAX 5.
SMOKE DISPERSAL.....GOOD.
LAL.................1.
CWR.................0 PERCENT.

.TONIGHT...

SKY/WEATHER.........MOSTLY CLEAR.
TEMPERATURE.........MIN 55.
RH..................MAX 89 PERCENT.
WIND (20 FT)........SOUTHWEST WINDS AROUND 10 MPH BECOMING NORTH
                    LATE IN THE EVENING...THEN SHIFTING TO THE
                    NORTHEAST AFTER MIDNIGHT.
SMOKE DISPERSAL.....POOR.
LAL.................1.
CWR.................0 PERCENT.

.SUNDAY...

SKY/WEATHER.........PARTLY SUNNY. SLIGHT CHANCE OF AFTERNOON THUNDERSTORMS.
TEMPERATURE.........MAX 84.
RH..................MIN 32 PERCENT.
WIND (20 FT)........NORTHEAST WINDS AROUND 5 MPH INCREASING TO EAST
                    LATE IN THE MORNING...THEN BECOMING 10 TO 15
                    MPH IN THE AFTERNOON.
HAINES INDEX........5 MODERATE.
SMOKE DISPERSAL.....GOOD.
LAL.................1.
CWR.................0 PERCENT.

$$
FORECASTER...SIMOSKO
REQUESTED BY...COLLEEN GRAUE
TYPE OF REQUEST...PRESCRIBED
.TAG 20090822.LAKEZ.01/BIS