FNUS75 KCYS 301811
FWSCYS

SPOT FORECAST FOR WEST BARRETT RIDGE...RAWLINS INTERAGENCY DISPATCH
NATIONAL WEATHER SERVICE CHEYENNE WY
1211 PM MDT THU APR 30 2009

FORECAST IS BASED ON IGNITION TIME OF 1300 MDT ON APRIL 30.
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER
SERVICE.

.DISCUSSION...
COOLER TEMPERATURES WILL BE NOTED THIS AFTERNOON. A DISTURBANCE IN
THE WESTERLY FLOW ALOFT WILL RESULT IN A CHANCE OF SHOWERS
TONIGHT...WHICH WILL CHANGE TO SNOW AFTER MIDNIGHT.

.TODAY...

SKY/WEATHER.........SUNNY (0-10 PERCENT) THEN BECOMING PARTLY
                    CLOUDY (45-55 PERCENT).
MAX TEMPERATURE.....AROUND 51.
MIN HUMIDITY........39 PERCENT.
WIND (20 FT)........UPSLOPE/UPVALLEY 5-9 MPH BECOMING WEST 10 TO 11
                    MPH AND GUSTY LATE IN THE AFTERNOON.
CWR.................0 PERCENT.
LAL.................1.
HAINES INDEX........3 OR VERY LOW POTENTIAL FOR LARGE PLUME
                    DOMINATED FIRE GROWTH.
MIXING HEIGHT.......700-2600 FT AGL.
TRANSPORT WINDS.....SOUTHWEST AROUND 24 MPH.
SMOKE DISPERSAL.....POOR TO EXCELLENT (700-82000 KNOT-FT).

.TONIGHT...

SKY/WEATHER.........MOSTLY CLOUDY (65-75 PERCENT). SLIGHT CHANCE OF
                    RAIN SHOWERS IN THE EVENING...THEN SLIGHT
                    CHANCE OF SNOW AFTER MIDNIGHT.
MIN TEMPERATURE.....AROUND 27.
MAX HUMIDITY........88 PERCENT.
WIND (20 FT)........WEST WINDS 8 TO 13 MPH EARLY IN THE EVENING
                    BECOMING DOWNSLOPE/DOWNVALLEY 4-7 MPH.
CWR.................20 PERCENT.
LAL.................1.
HAINES INDEX........3 OR VERY LOW POTENTIAL FOR LARGE PLUME
                    DOMINATED FIRE GROWTH.
MIXING HEIGHT.......0-1800 FT AGL.
TRANSPORT WINDS.....WEST AROUND 18 MPH.
SMOKE DISPERSAL.....POOR TO GOOD (0-54500 KNOT-FT).

.FRIDAY...

SKY/WEATHER.........MOSTLY CLOUDY (60-70 PERCENT).
MAX TEMPERATURE.....AROUND 47.
MIN HUMIDITY........42 PERCENT.
WIND (20 FT)........UPSLOPE/UPVALLEY 5-9 MPH.
CWR.................20 PERCENT.
LAL.................1.
HAINES INDEX........2 OR VERY LOW POTENTIAL FOR LARGE PLUME
                    DOMINATED FIRE GROWTH.
MIXING HEIGHT.......500 FT AGL INCREASING TO 3800 FT AGL IN THE
                    AFTERNOON.
TRANSPORT WINDS.....WEST AROUND 11 MPH.
SMOKE DISPERSAL.....POOR TO GOOD (4100-34300 KNOT-FT).

$$
REQUESTED BY...AARON MIER
TYPE OF REQUEST...PRESCRIBED
.TAG 20090430.WESTB.01/CYS