FNUS73 KUNR 191329
FWSUNR

SPOT FORECAST FOR LACREEK HEADQUARTERS...LACREEK NATIONAL WILDLIFE REFUGE
NATIONAL WEATHER SERVICE RAPID CITY SD
729 AM MDT THU MAR 19 2009

FORECAST IS BASED ON IGNITION TIME OF 1200 MDT ON MARCH 19.
IF CONDITIONS BECOME UNREPRESENTATIVE CONTACT THE
NATIONAL WEATHER SERVICE OFFICE IN RAPID CITY.

.DISCUSSION...
AN AREA OF LOW PRESSURE WILL DEVELOP ACROSS EASTERN MONTANA TODAY...
ALLOWING SOUTHERLY WINDS TO INCREASE ACROSS THE BURN AREA. WINDS WILL
REMAIN OUT OF THE SOUTH THROUGH THIS AFTERNOON BEFORE BECOMING MORE
SOUTHWESTERLY THIS EVENING. A WEAK COLD FRONT WILL SLIDE THROUGH
THE AREA FRIDAY MORNING WITH THE WINDS SHIFTING TO THE NORTHWEST.

.TODAY...

SKY/WEATHER.........CLOUDY THIS MORNING...BECOMING PARTLY CLOUDY THIS AFTERNOON.
TEMPERATURE.........MAX 60 TO 64.
RH..................MIN 25 TO 30 PERCENT.
WIND (20 FT)........SOUTHEAST WINDS 5 TO 10 MPH BECOMING SOUTH 18 TO 23
                    MPH IN THE AFTERNOON.
CWR.................0 PERCENT.
HAINES INDEX........2 OR VERY LOW POTENTIAL FOR LARGE PLUME
                    DOMINATED FIRE GROWTH.
MIXING HEIGHT.......7400 TO 8400 FT AGL.
TRANSPORT WINDS.....SOUTH 15 TO 25 MPH
SMOKE DISPERSAL.....EXCELLENT.

.TONIGHT...

SKY/WEATHER.........PARTLY CLOUDY THEN BECOMING MOSTLY CLOUDY.
TEMPERATURE.........MIN 39-42.
RH..................MAX 67-72 PERCENT.
WIND (20 FT)........SOUTH WINDS 15 TO 20 MPH.
CWR.................0 PERCENT.
HAINES INDEX........2 OR VERY LOW POTENTIAL FOR LARGE PLUME
                    DOMINATED FIRE GROWTH.
MIXING HEIGHT.......300 TO 800 FT AGL.
TRANSPORT WINDS.....SOUTH 25 TO 35 MPH.
SMOKE DISPERSAL.....GOOD DECREASING TO POOR EARLY IN THE EVENING.

.FRIDAY...

SKY/WEATHER.........PARTLY SUNNY.
TEMPERATURE.........MAX 71-73.
RH..................MIN 22-27 PERCENT.
WIND (20 FT)........SOUTHWEST 10 TO 15 MPH BECOMING NORTHWEST 12 TO 18 MPH.
CWR.................0 PERCENT.
HAINES INDEX........4 OR LOW POTENTIAL FOR LARGE PLUME DOMINATED
                    FIRE GROWTH.
MIXING HEIGHT.......7400 TO 8400 FT AGL.
TRANSPORT WINDS.....SOUTHWEST 20 TO 25 MPH BECOMING NORTHWEST 15 TO
                    20 MPH IN THE LATE MORNING AND AFTERNOON.
SMOKE DISPERSAL.....GOOD INCREASING TO VERY GOOD IN THE AFTERNOON.

$$
FORECASTER...NWS
REQUESTED BY...TOM KOERNER REFUGE MANAGER
TYPE OF REQUEST...PRESCRIBED
.TAG 20090319.LACRE.02/UNR