FNUS73 KUNR 081404
FWSUNR

SPOT FORECAST FOR PASTURE 7...US FOREST SERVICE
NATIONAL WEATHER SERVICE RAPID CITY SD
804 AM MDT THU APR 8 2010

FORECAST IS BASED ON IGNITION TIME OF 1000 MDT ON APRIL 08.
IF CONDITIONS BECOME UNREPRESENTATIVE CONTACT THE
NATIONAL WEATHER SERVICE OFFICE IN RAPID CITY.

.DISCUSSION...HIGH PRESSURE WILL BRING WARMER AND DRIER CONDITIONS
TO THE AREA TODAY ON SOUTHERLY WINDS. HIGH TEMPERATURES WILL REACH THE
LOWER 60S WITH THE AFTERNOON MINIMUM RELATIVE HUMIDITY FALLING TO AROUND
28 PERCENT. A STRONG COLD FRONT WILL CROSS THE AREA AROUND 300 AM TONIGHT
...SHIFTING WINDS AROUND TO THE NORTHWEST FOR FRIDAY. TEMPERATURES
WILL BE COOLER ON FRIDAY BEHIND THE FRONT WITH LOWER 50S EXPECTED.
THE NEXT CHANCE FOR PRECIPITATION WILL COME FRIDAY NIGHT INTO SATURDAY
...AS A WEATHER SYSTEM CROSSES THE AREA.

.TODAY...

SKY/WEATHER.........SUNNY.
                    TEMPERATURE.........46 AT IGNITION...MAX 62.
                    MIN HUMIDITY........49 PERCENT AT IGNITION...MIN 28 PERCENT.
WIND (20 FT)........WINDS SOUTHWEST AROUND 10 MPH AT
                    IGNITION BECOMING SOUTH AND INCREASING TO 15 TO 20
                    MPH BY MID AFTERNOON.
CWR.................0 PERCENT.
LAL.................1.
HAINES INDEX........2 OR VERY LOW POTENTIAL FOR LARGE PLUME
                    DOMINATED FIRE GROWTH.
MIXING HEIGHT.......5900 TO 6900 FT AGL.
TRANSPORT WINDS.....SOUTH 10 TO 15 MPH INCREASING TO AROUND 25 MPH
                    LATE IN THE AFTERNOON.
SMOKE DISPERSAL.....FAIR INCREASING TO VERY GOOD IN THE AFTERNOON.

.TONIGHT...

SKY/WEATHER.........PARTLY CLOUDY.
MIN TEMPERATURE.....30.
MAX HUMIDITY........85 PERCENT.
WIND (20 FT)........SOUTHWEST WINDS 10 TO 16 MPH SHIFTING TO THE
                    NORTHWEST AROUND 300 AM AND INCREASING TO 20 TO 30 MPH.
CWR.................0 PERCENT.
LAL.................1.
HAINES INDEX........2 OR VERY LOW POTENTIAL FOR LARGE PLUME
                    DOMINATED FIRE GROWTH.
MIXING HEIGHT.......100 TO 600 FT AGL.
TRANSPORT WINDS.....SOUTH 15 TO 25 MPH EARLY IN THE EVENING....DECREASING
                    TO 12 TO 13 MPH LATE IN THE EVENING...THEN SHIFTING TO
                    THE NORTHWEST AROUND 300 AM AND INCREASING TO AROUND 30 MPH.
SMOKE DISPERSAL.....FAIR DECREASING TO POOR EARLY IN THE EVENING.

.FRIDAY...

SKY/WEATHER.........MOSTLY SUNNY.
MAX TEMPERATURE.....53.
MIN HUMIDITY........AROUND 25 PERCENT.
WIND (20 FT)........NORTHWEST WINDS 20 TO 30 MPH IN THE MORNING....
                    DECREASING TO 15 TO 25 MPH IN THE AFTERNOON.
CWR.................0 PERCENT.
LAL.................1.
HAINES INDEX........3 OR VERY LOW POTENTIAL FOR LARGE PLUME
                    DOMINATED FIRE GROWTH.
MIXING HEIGHT.......7200 TO 8200 FT AGL.
TRANSPORT WINDS.....NORTHWEST AROUND 35 MPH IN THE MORNING
                    DECREASING TO AROUND 25 MPH IN THE AFTERNOON.
SMOKE DISPERSAL.....POOR INCREASING TO EXCELLENT.

$$
FORECASTER...GR
REQUESTED BY...BETH CARD
TYPE OF REQUEST...PRESCRIBED
.TAG 20100408.PASTU.01/UNR