FNUS73 KUNR 192123
FWSUNR

SPOT FORECAST FOR HEADQUARTERS N...US FISH AND WILDLIFE SERVICE
NATIONAL WEATHER SERVICE RAPID CITY SD
323 PM MDT THU MAR 19 2009

FORECAST IS BASED ON IGNITION TIME OF 1200 MDT ON MARCH 20.
IF CONDITIONS BECOME UNREPRESENTATIVE CONTACT THE
NATIONAL WEATHER SERVICE OFFICE IN RAPID CITY.

.DISCUSSION...A RIDGE OF HIGH PRESSURE WILL KEEP THE WEATHER
FAIRLY QUIET ON FRIDAY. HIGH TEMPERATURES WILL RISE INTO THE UPPER
60S...WITH THE AFTERNOON MINIMUM RELATIVE HUMIDITY FALLING TO
AROUND 28 PERCENT. 20 FT WINDS WILL BE 10 TO 16 MPH OUT OF THE
SOUTHWEST IN THE MORNING...SWITCHING AROUND TO THE NORTHWEST
AROUND NOON...AND INCREASE TO 10 TO 20 MPH OUT OF THE NORTH BY MID
AFTERNOON. WINDS WILL DECREASE AND WILL BE OUT OF THE EAST BY MID
EVENING.


.TONIGHT...

SKY/WEATHER.........PARTLY CLOUDY.
TEMPERATURE.........MIN 40.
RH..................MAX 67 PERCENT.
WIND (20 FT)........SOUTH WINDS 16 TO 22 MPH WITH GUSTS TO AROUND
                    30 MPH.
CWR.................0 PERCENT.
HAINES INDEX........2 OR VERY LOW POTENTIAL FOR LARGE PLUME
                    DOMINATED FIRE GROWTH.
MIXING HEIGHT.......500 TO 1000 FT AGL.
TRANSPORT WINDS.....SOUTH 20 TO 30 MPH INCREASING TO 25 TO 35 MPH
                    AFTER MIDNIGHT.
SMOKE DISPERSAL.....FAIR DECREASING TO POOR IN THE LATE EVENING AND
                    OVERNIGHT.

.FRIDAY...

SKY/WEATHER.........MOSTLY SUNNY.
TEMPERATURE.........64 AT IGNITION...MAX 70.
RH..................33 PERCENT AT IGNITION...MIN 28 PERCENT.
WIND (20 FT)........WINDS SOUTHWEST AT 10 TO 16 MPH IN THE MORNING.
                    WINDS NORTHWEST AT 8 TO 12 MPH AT IGNITION.
                    WINDS NORTH AT 10 TO 20 MPH BY MID AFTERNOON.
CWR.................0 PERCENT.
HAINES INDEX........4 OR LOW POTENTIAL FOR LARGE PLUME DOMINATED
                    FIRE GROWTH.
MIXING HEIGHT.......4700 TO 5700 FT AGL.
TRANSPORT WINDS.....SOUTHWEST 24 TO 32 MPH BECOMING NORTHWEST 14 TO
                    24 MPH IN THE LATE MORNING AND AFTERNOON.
SMOKE DISPERSAL.....GOOD.

$$
FORECASTER...SR
REQUESTED BY...TOM KOERNER REFUGE MANAGER
TYPE OF REQUEST...PRESCRIBED
.TAG 20090320.HEADQ.01/UNR