FNUS75 KCYS 241722
FWSCYS

SPOT FORECAST FOR BRANDEL CREEK...ALBANY COUNTY
NATIONAL WEATHER SERVICE CHEYENNE WY
1122 AM MDT FRI JUL 24 2009

FORECAST IS BASED ON REQUEST TIME OF 1025 MDT ON JULY 24.
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER
SERVICE.

.DISCUSSION...VERY WARM AND DRY START TO TODAY OVER THE BURN
AREA...WITH CURRENT VISIBLE SATELLITE IMAGERY SHOWING SUNNY SKIES
OVERHEAD. MINIMUM RELATIVE HUMIDITIES ARE EXPECTED TO DECREASE TO
THE UPPER TEENS. A COOL FRONT WILL MOVE ACROSS THE SITE BETWEEN
1400 AND 1600...WHICH WILL INCREASE EASTERLY UPSLOPE WINDS WITH
GUSTS UP TO 15 MPH. EXPECT ISOLATED SHOWERS AND THUNDERSTORMS TO
DEVELOP ALONG THE FRONT. OVERNIGHT HUMIDITY RECOVERIES WILL BE
GOOD AS MOIST EASTERLY SURFACE WINDS WILL BE PRESENT BEHIND THE
FRONT. TOMORROW WILL BE 10 TO 15 DEGREES COOLER WITH A SLIGHT
CHANCE FOR ISOLATED THUNDERSTORMS AGAIN IN THE AFTERNOON.

.TODAY...

SKY/WEATHER.........MOSTLY SUNNY (15-25 PERCENT) THEN BECOMING
                    PARTLY CLOUDY (40-50 PERCENT). SLIGHT CHANCE OF
                    SHOWERS AND THUNDERSTORMS AFTER 2 PM.
MAX TEMPERATURE.....AROUND 90 TO 93.
MIN HUMIDITY........16 TO 20 PERCENT.
WIND (20 FT)........UPSLOPE/UPVALLEY 6-9 MPH...GUSTING TO 13 TO 15
                    AFTER 2 PM WITH STRONGER GUSTS NEAR THUNDERSTORMS.
CWR.................0 PERCENT INCREASING TO 20 PERCENT IN THE
                    AFTERNOON.
LAL.................2.
HAINES INDEX........5 OR MODERATE POTENTIAL FOR LARGE PLUME DOMINATED
            FIRE GROWTH.
MIXING HEIGHT.......8500 FT AGL INCREASING TO 12700 FT AGL IN THE
                    AFTERNOON.
TRANSPORT WINDS.....NORTHWEST AROUND 12 TO 15 MPH.
SMOKE DISPERSAL.....FAIR TO EXCELLENT (26000-74900 KNOT-FT).

.TONIGHT...

SKY/WEATHER.........PARTLY CLOUDY (40-50 PERCENT). SLIGHT CHANCE OF
                    SHOWERS AND THUNDERSTORMS IN THE EVENING.
MIN TEMPERATURE.....AROUND 56.
MAX HUMIDITY........77 PERCENT.
WIND (20 FT)........EAST WIND BECOMING DOWNSLOPE/DOWNVALLEY 4-7 MPH.
CWR.................20 PERCENT DECREASING TO 0 PERCENT AFTER
                    MIDNIGHT.
LAL.................2.
HAINES INDEX........4 OR LOW POTENTIAL FOR LARGE PLUME DOMINATED
                    FIRE GROWTH.
MIXING HEIGHT.......12700 FT AGL DECREASING TO 500 FT AGL AFTER
                    MIDNIGHT.
TRANSPORT WINDS.....NORTHEAST AROUND 11 TO 13 MPH.
SMOKE DISPERSAL.....POOR TO EXCELLENT (2500-61600 KNOT-FT).

.SATURDAY...

SKY/WEATHER.........PARTLY CLOUDY (50-60 PERCENT). CHANCE OF
                    SHOWERS AND THUNDERSTORMS AFTER 1 PM.
MAX TEMPERATURE.....AROUND 74 TO 77.
MIN HUMIDITY........AROUND 35 PERCENT.
WIND (20 FT)........UPSLOPE/UPVALLEY 5-9 MPH.
CWR.................10 PERCENT INCREASING TO 30 PERCENT IN THE
                    AFTERNOON.
LAL.................3.
HAINES INDEX........3 OR VERY LOW POTENTIAL FOR LARGE PLUME
                    DOMINATED FIRE GROWTH.
MIXING HEIGHT.......500 FT AGL INCREASING TO 6200 TO 7500 FT AGL IN THE
                    AFTERNOON.
TRANSPORT WINDS.....SOUTHEAST 9 TO 12 MPH.
SMOKE DISPERSAL.....FAIR TO EXCELLENT (14200-76300 KNOT-FT).

$$
FORECASTER...MAZUR
REQUESTED BY...LINN TODD -  IC
TYPE OF REQUEST...WILDFIRE
.TAG 20090724.BRAND.01/CYS