FNUS73 KBIS 271413
FWSBIS

SPOT FORECAST FOR F2...USFWS
NATIONAL WEATHER SERVICE BISMARCK ND
913 AM CDT TUE APR 27 2010

FORECAST IS BASED ON IGNITION TIME OF 1600 CDT ON APRIL 27.
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER
SERVICE.

.DISCUSSION...SURFACE HIGH PRESSURE OVER WESTERN NORTH DAKOTA WILL GRADUALLY
SLIDE EASTWARD TODAY. LIGHT NORTHWEST WINDS AT 5 MPH WILL BECOME
SOUTHWESTERLY SOON AROUND IGNITION AND SOUTHERLY AT 10-12 MPH BY LATE
AFTERNOON. WINDS WILL THEN BEGIN TO INCREASE EARLY WEDNESDAY IN
ADVANCE OF A RAPIDLY DEEPENING SURFACE LOW PRESSURE SYSTEM. GUSTS
TO 40 MPH ARE POSSIBLE BY WEDNESDAY AFTERNOON. LOW-LEVEL MOISTURE
FROM RAIN/SNOW MONDAY SHOULD HELP TO KEEP RELATIVE HUMIDITIES ABOVE
30 PERCENT TODAY.

.TODAY...

SKY/WEATHER.........PARTLY SUNNY.
                    TEMPERATURE.........65 AT IGNITION...MAX 65.
                    MIN HUMIDITY........35 PERCENT AT IGNITION...MIN 35 PERCENT.
WIND (20 FT)........WINDS SOUTHWEST AT 10 MPH AT IGNITION...OTHERWISE
                    NORTHWEST WINDS UP TO 5 MPH SHIFTING TO THE
                    WEST AROUND 5 MPH EARLY IN THE AFTERNOON...THEN
                    INCREASING TO SOUTH LATE IN THE AFTERNOON.
HAINES INDEX........5 MODERATE AT IGNITION...MAX 5.
SMOKE DISPERSAL.....GOOD.
LAL.................1.
CWR.................0 PERCENT.

.TONIGHT...

SKY/WEATHER.........MOSTLY CLEAR.
MIN TEMPERATURE.....40.
MAX HUMIDITY........76 PERCENT.
WIND (20 FT)........SOUTH WINDS 5 TO 10 MPH INCREASING TO SOUTHEAST
                    AROUND 15 MPH EARLY IN THE MORNING.
SMOKE DISPERSAL.....POOR.
LAL.................1.
CWR.................0 PERCENT.

.WEDNESDAY...

SKY/WEATHER.........PARTLY SUNNY.
MAX TEMPERATURE.....70.
MIN HUMIDITY........39 PERCENT.
WIND (20 FT)........WINDY. SOUTHEAST WINDS AROUND 20 MPH INCREASING
                    TO AROUND 35 MPH.
HAINES INDEX........4 LOW.
SMOKE DISPERSAL.....EXCELLENT.
LAL.................1.
CWR.................0 PERCENT.

$$
FORECASTER...WETZEL
REQUESTED BY...JEFF DION
TYPE OF REQUEST...PRESCRIBED
.TAG 20100427.F2___.01/BIS