FNUS73 KUNR 051609
FWSUNR

SPOT FORECAST FOR ERSKINE  1...GPC
NATIONAL WEATHER SERVICE RAPID CITY SD
1009 AM MDT WED AUG 5 2009

FORECAST IS BASED ON REQUEST TIME OF 0948 MDT ON AUGUST 05.
IF CONDITIONS BECOME UNREPRESENTATIVE CONTACT THE
NATIONAL WEATHER SERVICE OFFICE IN RAPID CITY.

.DISCUSSION...THUNDERSTORMS WILL RETURN TO THE AREA THIS AFTERNOON
AND TONIGHT. SOME THUNDERSTORMS WILL AGAIN BE SEVERE WITH LARGE
HAIL AND DAMAGING WINDS POSSIBLE. FREQUENT CLOUD TO GROUND
LIGHTNING IS ALSO EXPECTED IN THE STRONGEST STORMS. THE STORMS
WILL SHIFT EAST OF THE AREA LATE TONIGHT.

.TODAY...

SKY/WEATHER.........PARTLY SUNNY. CHANCE OF SHOWERS AND
                    THUNDERSTORMS IN THE AFTERNOON.
TEMPERATURE.........MAX 83.
RH..................MIN 37 PERCENT.
WIND (20 FT)........SOUTHEAST WINDS 7 TO 12 MPH.
CWR.................10 PERCENT.
LAL.................1 UNTIL 1200...THEN 3.
HAINES INDEX........2 OR VERY LOW POTENTIAL FOR
                    LARGE PLUME DOMINATED FIRE GROWTH.
MIXING HEIGHT.......6200 TO 7200 FT AGL.
TRANSPORT WINDS.....SOUTHEAST 12 TO 16 MPH.
SMOKE DISPERSAL.....FAIR INCREASING TO GOOD IN THE AFTERNOON.

.TONIGHT...

SKY/WEATHER.........PARTLY CLOUDY. CHANCE OF SHOWERS AND
                    THUNDERSTORMS.
TEMPERATURE.........MIN 59.
RH..................MAX 81 PERCENT.
WIND (20 FT)........EAST WINDS 7 TO 14 MPH.
CWR.................14 PERCENT.
LAL.................3.
HAINES INDEX........2 OR VERY LOW POTENTIAL FOR LARGE PLUME
                    DOMINATED FIRE GROWTH.
MIXING HEIGHT.......100 TO 600 FT AGL.
TRANSPORT WINDS.....SOUTHEAST 14 TO 23 MPH INCREASING TO 16 TO 25
                    MPH LATE IN THE EVENING.
SMOKE DISPERSAL.....POOR.

.THURSDAY...

SKY/WEATHER.........PARTLY SUNNY. CHANCE OF SHOWERS AND
                    THUNDERSTORMS IN THE AFTERNOON.
TEMPERATURE.........MAX 86.
RH..................MIN 41 PERCENT.
WIND (20 FT)........EAST WINDS 7 TO 13 MPH.
CWR.................13 PERCENT.
LAL.................1 UNTIL 1200...THEN 3.
HAINES INDEX........3 OR VERY LOW POTENTIAL FOR LARGE PLUME
                    DOMINATED FIRE GROWTH.
MIXING HEIGHT.......4100 TO 5100 FT AGL.
TRANSPORT WINDS.....SOUTHEAST 15 TO 20 MPH.
SMOKE DISPERSAL.....FAIR INCREASING TO GOOD IN THE AFTERNOON.

$$
FORECASTER...CALDERON
REQUESTED BY...ST 563
TYPE OF REQUEST...WILDFIRE
.TAG 20090805.ERSKI.01/UNR