FNUS73 KUNR 252048
FWSUNR

SPOT FORECAST FOR HAY CANYON...USFS
NATIONAL WEATHER SERVICE RAPID CITY SD
248 PM MDT WED APR 25 2012

FORECAST IS BASED ON REQUEST TIME OF 1420 MDT ON APRIL 25.
IF CONDITIONS BECOME UNREPRESENTATIVE CONTACT THE
NATIONAL WEATHER SERVICE OFFICE IN RAPID CITY.

...VARIABLE AND GUSTY WINDS POSSIBLE AROUND SHOWERS AND THUNDERSTORMS...

.DISCUSSION...ISOLATED SHOWERS AND THUNDERSTORMS WILL MOVE ACROSS THE
BURN SITE THIS AFTERNOON INTO EARLY THIS EVENING. ERRATIC AND GUSTY
WINDS WILL BE POSSIBLE IN THE VICINITY OF THESE SHOWERS AND THUNDERSTORMS.
AN APPROACHING LOW PRESSURE SYSTEM WILL BRING GREATER CHANCES FOR
PRECIPITATION ON THURSDAY...ALONG WITH GUSTY SOUTHEASTERLY WINDS.

.TODAY...
SKY/WEATHER.........PARTLY SUNNY. ISOLATED SHOWERS AND
                    THUNDERSTORMS.
TEMPERATURE.........MAX 82.
RH..................MIN 25 PERCENT.
WIND (20 FT)........NORTHWEST WINDS 5 TO 12 MPH. WINDS WILL BE
                    VARIABLE AND GUSTY AROUND SHOWERS AND THUNDERSTORMS.
LAL.................1 UNTIL 1200...THEN 2.
HAINES INDEX........5 OR MODERATE POTENTIAL FOR LARGE PLUME
                    DOMINATED FIRE GROWTH.
MIXING HEIGHT.......8500 FT AGL.
TRANSPORT WINDS.....NORTHWEST 15 TO 18 MPH.
SMOKE DISPERSAL.....POOR INCREASING TO VERY GOOD.

.TONIGHT...
SKY/WEATHER.........MOSTLY CLOUDY. ISOLATED SHOWERS AND
                    THUNDERSTORMS IN THE EVENING.
TEMPERATURE.........MIN 52.
RH..................MAX 83 PERCENT.
WIND (20 FT)........NORTHEAST WINDS 5 TO 9 MPH IN THE EVENING
                    BECOMING LIGHT AROUND MIDNIGHT. WINDS WILL
                    BECOME SOUTHEAST AT 10 TO 15 MPH AROUND
                    SUNRISE. WINDS WILL BE VARIABLE AND GUSTY
                    AROUND SHOWERS AND THUNDERSTORMS.
CWR.................10 PERCENT DECREASING TO 0 PERCENT AFTER
                    MIDNIGHT.
LAL.................2 UNTIL 2400...THEN 1.
HAINES INDEX........3 OR VERY LOW POTENTIAL FOR LARGE PLUME
                    DOMINATED FIRE GROWTH.
MIXING HEIGHT.......LESS THAN 500 FT AGL.
TRANSPORT WINDS.....SOUTHEAST 12 TO 16 MPH INCREASING TO 20 TO 24
                    MPH AROUND SUNRISE.
SMOKE DISPERSAL.....POOR.

.THURSDAY...
SKY/WEATHER.........CLOUDY. CHANCE OF RAIN SHOWERS THROUGH THE DAY.
                    CHANCE OF THUNDERSTORMS IN THE AFTERNOON.
TEMPERATURE.........MAX 72.
RH..................MIN 42 PERCENT.
WIND (20 FT)........SOUTHEAST 18 TO 23 MPH. GUSTS TO AROUND 30 MPH
                    POSSIBLE.
CWR.................26 PERCENT INCREASING TO 45 PERCENT IN THE
                    AFTERNOON.
LAL.................1 UNTIL 1200...THEN 3.
HAINES INDEX........3 OR VERY LOW POTENTIAL FOR LARGE PLUME
                    DOMINATED FIRE GROWTH.
MIXING HEIGHT.......3400 TO 4400 FT AGL.
TRANSPORT WINDS.....SOUTHEAST 25 TO 35 MPH.
SMOKE DISPERSAL.....VERY GOOD.

$$
FORECASTER...JS
REQUESTED BY...RC BRUSH 1
TYPE OF REQUEST...WILDFIRE
.TAG 20120425.HAYCA.02/UNR