FNUS75 KCYS 112038
FWSCYS

SPOT FORECAST FOR PONDS FIRE...RAWLINS DISPATCH
NATIONAL WEATHER SERVICE CHEYENNE WY
238 PM MDT SAT AUG 11 2012

FORECAST IS BASED ON REQUEST TIME OF 1416 MDT ON AUGUST 11.
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER
SERVICE.

.DISCUSSION...
A PASSING UPPER LEVEL WEATHER DISTURBANCE AND SURFACE COLD FRONT WILL
BRING A FEW SHOWERS AND THUNDERSTORMS WITH WETTING RAINFALL AS WELL
AS GUSTY WINDS AND OCCASIONAL LIGHTNING THROUGH LATE THIS AFTERNOON.
THEN MUCH DRIER AND MORE STABLE AIR THIS EVENING WILL CARRY OVER INTO
SUNDAY WITH COOLER TEMPERATURES AND LIGHTER WINDS TO THE BURN SITE.

.TONIGHT...

SKY/WEATHER.........MOSTLY CLEAR (20-30 PERCENT).
MIN TEMPERATURE.....AROUND 54.
MAX HUMIDITY........60 PERCENT.
WIND (20 FT)........NORTH WINDS 10 TO 15 MPH WITH GUSTS TO 25 MPH
                    EARLY IN THE EVENING DECREASING TO 8 TO 12 MPH
                    LATE IN THE EVENING THEN BECOMING NORTHWEST
                    4 TO 8 MPH AFTER MIDNIGHT.
CWR.................10 PERCENT.
LAL.................1.
HAINES INDEX........4 OR LOW POTENTIAL FOR LARGE PLUME DOMINATED
                    FIRE GROWTH.
MIXING HEIGHT.......3000 FT AGL DECREASING TO 400 FT AGL AFTER
                    MIDNIGHT.
TRANSPORT WINDS.....NORTH 15 TO 20 MPH BECOMING NORTHWEST 10 MPH
                    AFTER MIDNIGHT.
SMOKE DISPERSAL.....POOR TO GOOD (3600-57800 KNOT-FT).

.SUNDAY...

SKY/WEATHER.........MOSTLY SUNNY (15-25 PERCENT).
MAX TEMPERATURE.....AROUND 72.
MIN HUMIDITY........20 PERCENT.
WIND (20 FT)........WEST 4 TO 8 MPH BECOMING NORTHWEST 8 TO 12 MPH
                    IN THE AFTERNOON.
CWR.................10 PERCENT.
LAL.................1.
HAINES INDEX........3 OR VERY LOW POTENTIAL FOR LARGE PLUME
                    DOMINATED FIRE GROWTH.
MIXING HEIGHT.......4700 FT AGL INCREASING TO 8900 FT AGL IN THE
                    AFTERNOON.
TRANSPORT WINDS.....NORTHWEST 12 TO 16 MPH BECOMING WEST AROUND 10
                    MPH IN THE AFTERNOON.
SMOKE DISPERSAL.....GOOD TO EXCELLENT (42800-117500 KNOT-FT).

$$
FORECASTER...JAMSKI
REQUESTED BY...IC
TYPE OF REQUEST...WILDFIRE
.TAG 20120811.PONDS.01/CYS