FNUS75 KRIW 051849
FWSRIW

SPOT FORECAST FOR EMIGRANT GAP...BLM CAD
NATIONAL WEATHER SERVICE RIVERTON WY
1248 PM MDT WED AUG 5 2009

FORECAST IS BASED ON REQUEST TIME OF 1203 MDT ON AUGUST 05.
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER
SERVICE.

.DISCUSSION...ABOVE NORMAL LOW AND MID LEVEL MOISTURE AND STRONG
SURFACE HEATING WILL GENERATE ISOLATED AFTERNOON SHOWERS AND
THUNDERSTORMS. LOW PRESSURE WILL DEVELOP ACROSS EASTERN WYOMING
THURSDAY WITH SOUTHWEST WINDS 15 TO 25 MPH AND GUSTS TO AROUND 30 MPH.
THE COMBINATION OF THESE WINDS AND AFTERNOON RELATIVE HUMIDITY IN THE
MID TO UPPER TEENS WILL INCREASE FIRE DANGER IN ZONES 280.
ISOLATED AFTERNOON AND EVENING SHOWERS AND THUNDERSTORMS ARE
EXPECTED AGAIN THURSDAY AFTERNOON AND EVENING WITH STRONG WIND GUSTS
POSSIBLE.

...THUNDERSTORMS IMPLY STRONG GUSTY AND ERRATIC WINDS...
...HAINES INDEX IS HIGH LEVEL HAINES BOTH DAY AND NIGHT...

FORECASTER...LIPSON

.REST OF TODAY...
SKY/WEATHER.........PARTLY CLOUDY (45-55 PERCENT). ISOLATED SHOWERS
                    AND THUNDERSTORMS DEVELOPING BETWEEN 1430 AND 1500.
MAX TEMPERATURE.....85-88.
MIN HUMIDITY........24-26 PERCENT.
20 FOOT WINDS.......SOUTH WINDS 4 TO 7 MPH. WINDS BECOMING SOUTHWEST
                    10 TO 20 MPH BY 1400. GUSTY AND ERRATIC
                    WINDS EXPECTED NEAR THUNDERSTORMS.
RIDGE TOP WINDS.....EAST AROUND 5 MPH INCREASING TO SOUTHWEST
                    15 TO 20 MPH BY 1400.
LAL.................2.
CHC OF WETTING RAIN.5 PERCENT.
HAINES INDEX........5 OR MODERATE POTENTIAL FOR LARGE PLUME
                    DOMINATED FIRE GROWTH.

.TONIGHT...
SKY/WEATHER.........PARTLY CLOUDY (40-50 PERCENT). ISOLATED
                    THUNDERSTORMS IN THE EVENING. SLIGHT CHANCE OF
                    RAIN SHOWERS THROUGH THE NIGHT.
MIN TEMPERATURE.....AROUND 60.
MAX HUMIDITY........70-73 PERCENT.
20 FOOT WINDS.......SOUTHWEST 10 TO 20 MPH THROUGH 1900. WINDS BECOMING
                    NORTHEAST 10 TO 20 MPH AFTER 1900. WINDS BECOMING
                    LIGHT AND VARIABLE AFTER 2100. THEN WINDS BECOMING
                    SOUTHWEST 10 MPH AFTER 0300. GUSTY AND ERRATIC WINDS
                    EXPECTED NEAR THUNDERSTORMS IN THE EVENING.
RIDGE TOP WINDS.....SOUTHWEST WINDS SHIFTING TO THE EAST 10 TO 20 MPH
                    SHIFTING TO THE NORTHEAST BY 2100. WINDS SHIFTING TO
                    THE SOUTHWEST AT 10 MPH EARLY IN THE MORNING.
LAL.................2 UNTIL 2400...THEN 1.
CHC OF WETTING RAIN.5 PERCENT.
HAINES INDEX........4 OR LOW POTENTIAL FOR LARGE PLUME DOMINATED
                    FIRE GROWTH.

.FORECAST DAYS 3 THROUGH 5...
.THURSDAY NIGHT...PARTLY CLOUDY. CHANCE OF SHOWERS AND
THUNDERSTORMS IN THE EVENING...THEN SLIGHT CHANCE OF SHOWERS AND
ISOLATED THUNDERSTORMS AFTER MIDNIGHT. LOWS IN THE UPPER 50S.
SOUTHWEST WINDS AROUND 14 MPH.
.FRIDAY...PARTLY CLOUDY WITH SLIGHT CHANCE OF SHOWERS AND
THUNDERSTORMS. LOWS IN THE MID 50S. HIGHS IN THE MID 80S.
SOUTHWEST WINDS AROUND 16 MPH.
.SATURDAY...PARTLY CLOUDY WITH SLIGHT CHANCE OF SHOWERS AND
ISOLATED THUNDERSTORMS. LOWS AROUND 50. HIGHS IN THE MID 70S.
WEST WINDS AROUND 15 MPH.
.SUNDAY...MOSTLY CLEAR. LOWS AROUND 50. HIGHS IN THE UPPER 70S.
WINDS GENERALLY LESS THAN 10 MPH.

$$

FORECASTER...LIPSON
REQUESTED BY...ADAMS
REASON FOR REQUEST...WILDFIRE
.TAG 20090805.EMIGR.01/RIW