FNUS73 KUNR 030120
FWSUNR

SPOT FORECAST FOR CUMMINGS...IC
NATIONAL WEATHER SERVICE RAPID CITY SD
720 PM MDT THU AUG 2 2012

FORECAST IS BASED ON IGNITION TIME OF 1215 MDT ON AUGUST 02.
IF CONDITIONS BECOME UNREPRESENTATIVE CONTACT THE
NATIONAL WEATHER SERVICE OFFICE IN RAPID CITY.

...RED FLAG WARNING UNTIL 9 PM MDT THIS EVENING FOR LOW RELATIVE
HUMIDITY AND GUSTY WINDS FOR FIRE ZONES 259...297 AND 298 IN
NORTHEASTERN WYOMING...

.DISCUSSION...THE THUNDERSTORM ACTIVITY HAS MOVED OUT OF THE BURN
AREA THIS EVENING. LOCALLY MODERATE RAINFALL AMOUNTS WERE REPORTE
IN TEH FIRE AREA FROM TODAY'S STORMS. A COLD FRONT WILL MOVE
THROUGH THE NORTHERN PLAINS ON FRIDAY...BRINGING MUCH COOLER
TEMPERATURES TO THE REGION AND ANOTHER CHANCE OF SHOWERS AND
THUNDERSTORMS. GUSTY NORTHWEST WINDS WILL ALSO BE COMMON ON FRIDAY
AND SATURDAY.

.TONIGHT...

SKY/WEATHER.........PARTLY CLOUDY.
TEMPERATURE.........MIN 57.
RH..................MAX 83 PERCENT.
WIND (20 FT)........WEST WINDS 5 TO 13 MPH IN THE EVENING BECOMING
                    LIGHT...THEN BECOMING NORTHWEST 5 TO 13 MPH
                    AFTER MIDNIGHT.
CWR.................11 PERCENT.
LAL.................1.
HAINES INDEX........4 OR LOW POTENTIAL FOR LARGE PLUME DOMINATED
                    FIRE GROWTH.
MIXING HEIGHT.......DECREASING TO 200 TO 700 FT AGL.
TRANSPORT WINDS.....EAST 3 TO 7...SHIFTING TO THE NORTHWEST AROUND
                    15 MPH LATE IN THE NIGHT.
SMOKE DISPERSAL.....FAIR DECREASING TO POOR EARLY IN THE EVENING.

.FRIDAY...

SKY/WEATHER.........MOSTLY SUNNY. CHANCE OF SHOWERS AND
                    THUNDERSTORMS.
TEMPERATURE.........MAX 78.
RH..................MIN 34 PERCENT.
WIND (20 FT)........NORTH WINDS 15 TO 21 MPH.
CWR.................19 PERCENT.
LAL.................3.
HAINES INDEX........3 OR VERY LOW POTENTIAL FOR LARGE PLUME
                    DOMINATED FIRE GROWTH.
MIXING HEIGHT.......7000 TO 8000 FT AGL.
TRANSPORT WINDS.....NORTH 16 TO 25 MPH SHIFTING TO THE NORTHWEST 12
                    TO 16 MPH IN THE AFTERNOON.
SMOKE DISPERSAL.....FAIR INCREASING TO GOOD IN THE LATE MORNING AND
                    AFTERNOON.

$$
FORECASTER...DC
REQUESTED BY...IC
TYPE OF REQUEST...PRESCRIBED
.TAG 20120802.CUMMI.01/UNR