FNUS73 KUNR 052047
FWSUNR

SPOT FORECAST FOR VISTA...GPC
NATIONAL WEATHER SERVICE RAPID CITY SD
247 PM MDT FRI AUG 5 2011

FORECAST IS BASED ON REQUEST TIME OF 1429 MDT ON AUGUST 05.
IF CONDITIONS BECOME UNREPRESENTATIVE CONTACT THE
NATIONAL WEATHER SERVICE OFFICE IN RAPID CITY.

.DISCUSSION...THUNDERSTORMS WILL BE POSSIBLE NEAR THE FIRE THIS
AFTERNOON...WITH SCATTERED THUNDERSTORMS TONIGHT. EXPECT STRONG
AND ERRATIC WINDS IN AND NEAR STORMS. A COLD FRONT IS EXPECTED TO
PASS THROUGH THE FIRE AROUND MIDNIGHT. THIS COLD FRONT MAY CAUSE
GUSTY NORTHWEST WINDS TO OCCUR AS IT PASSES. AFTER MIDNIGHT THE
STORMS WILL MOVE EAST OF THE FIRE...LEAVING BEHIND COOLER AND
DRIER AIR.

.TONIGHT...

SKY/WEATHER.........MOSTLY CLOUDY THEN BECOMING PARTLY CLOUDY.
                    SCATTERED SHOWERS AND THUNDERSTORMS IN THE
                    EVENING.
TEMPERATURE.........MIN 51.
RH..................MAX 100 PERCENT.
WIND (20 FT)........WEST TO NORTHWEST WINDS 5 TO 10 MPH WITH STRONG AND
                    ERRATIC WINDS NEAR STORMS IN THE EVENING. WEST WINDS
                    5 TO 10 MPH AFTER MIDNIGHT.
CWR.................20 PERCENT.
LAL.................3 UNTIL 2400...THEN 1.
HAINES INDEX........3 OR VERY LOW POTENTIAL FOR LARGE PLUME DOMINATED FIRE GROWTH.
MIXING HEIGHT.......300 TO 800 FT AGL.
TRANSPORT WINDS.....NORTHWEST 22 TO 25 MPH.
SMOKE DISPERSAL.....GOOD DECREASING TO POOR EARLY IN THE EVENING.

.SATURDAY...

SKY/WEATHER.........MOSTLY SUNNY.
TEMPERATURE.........MAX 76.
RH..................MIN 34 PERCENT.
WIND (20 FT)........NORTHWEST WINDS 6 TO 12 MPH SHIFTING TO THE
                    NORTHEAST 8 TO 10 MPH EARLY IN THE AFTERNOON.
CWR.................0 PERCENT.
LAL.................1.
HAINES INDEX........3 OR VERY LOW POTENTIAL FOR LARGE PLUME
                    DOMINATED FIRE GROWTH.
MIXING HEIGHT.......7500 TO 8500 FT AGL.
TRANSPORT WINDS.....NORTHWEST 15 TO 25 MPH DECREASING TO 12 TO 15
                    MPH LATE IN THE AFTERNOON.
SMOKE DISPERSAL.....FAIR INCREASING TO VERY GOOD IN THE LATE
                    MORNING AND AFTERNOON.

$$
FORECASTER...MS
REQUESTED BY...IC
TYPE OF REQUEST...WILDFIRE
.TAG 20110805.VISTA.01/UNR