FNUS75 KRIW 260134
FWSRIW

SPOT FORECAST FOR LITTLE POPO AGIE...IA CDC
NATIONAL WEATHER SERVICE RIVERTON WY
734 PM MDT MON JUL 25 2011

FORECAST IS BASED ON REQUEST TIME OF 1827 MDT ON JULY 25.
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER
SERVICE.

.DISCUSSION...EXTENSIVE CLOUD COVER WITH ISOLATED HIGH-BASED
SHOWERS WERE MOVING OVER THE FIRE AREA THIS EVENING. NO LIGHTNING
HAS BEEN OBSERVED OVER THE LAST SEVERAL HOURS UPSTREAM TO THE
SOUTHWEST. SOME OF THESE HIGH-BASED SHOWERS WILL PRODUCE GUSTY
ERRATIC OUTFLOW WIND GUSTS NEAR 35 MPH THROUGH 2200L. A COLD FRONT WILL
PUSH THROUGH THE AREA OVERNIGHT KEEPING THE ATMOSPHERE WELL-MIXED
WITH RIDGETOP WEST SOUTHWEST WIND CONTINUING OVERNIGHT.

ON TUESDAY...COOLER TEMPERATURES AND HIGHER RELATIVE HUMIDITY ARE
EXPECTED BEHIND THE FRONT. THE FIRE AREA WILL BE ON THE NORTHERN
FRINGE OF A MONSOONAL PLUME OF MOISTURE TUESDAY. THUS...AN ISOLATED
THUNDERSTORM WILL BE POSSIBLE BUT MOST OF THIS ACTIVITY WILL
REMAIN TO THE SOUTH. THE MAIN HAZARD FROM THESE STORMS WILL BE
GUSTY ERRATIC OUTFLOW WINDS.


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

FORECASTER...MEUNIER

.REST OF TONIGHT...
SKY/WEATHER.........MOSTLY CLOUDY (70-80 PERCENT). ISOLATED SHOWERS WITH
                    LITTLE RAIN...ERRATIC WIND GUSTS PRIMARILY BEFORE 2200L.
MIN TEMPERATURE.....52-55.
MAX HUMIDITY........43-46 PERCENT.
20 FOOT WINDS.......WEST SOUTHWEST 5 TO 10 MPH WITH OCCASIONAL
                    GUSTS 15 TO 20 MPH.  ERRATIC WIND GUSTS NEAR 35 MPH
                    POSSIBLE WITH NEARBY SHOWERS...PRIMARILY BEFORE 2200L.
RIDGE TOP WINDS.....WEST SOUTHWEST 25 TO 30 MPH.
LAL.................1.
CHC OF WETTING RAIN.NEAR ZERO PERCENT.
HAINES INDEX........5 OR MODERATE POTENTIAL FOR LARGE PLUME
                    DOMINATED FIRE GROWTH.

.TUESDAY...
SKY/WEATHER.........PARTLY CLOUDY (50-60 PERCENT) THEN BECOMING
                    MOSTLY CLOUDY (60-70 PERCENT). ISOLATED SHOWERS
                    AND THUNDERSTORMS.
MAX TEMPERATURE.....71-74.
MIN HUMIDITY........21-24 PERCENT.
20 FOOT WINDS.......SOUTHWEST 5 TO 10 MPH IN THE MORNING...BECOMING
                    WEST AROUND 10 MPH WITH OCCASIONAL GUSTS OF 15 TO 20 MPH
                    IN THE AFTERNOON.  ERRATIC OUTFLOW WIND GUSTS UP TO 40 MPH
                    WITH NEARBY SHOWERS OR THUNDERSTORMS.
RIDGE TOP WINDS.....WEST NEAR 20 MPH.
LAL.................2.
CHC OF WETTING RAIN.5 PERCENT.
HAINES INDEX........4 OR LOW POTENTIAL FOR LARGE PLUME DOMINATED
                    FIRE GROWTH.

.FORECAST DAYS 3 THROUGH 5...
.TUESDAY NIGHT...PARTLY CLOUDY. ISOLATED SHOWERS AND
THUNDERSTORMS. LOWS IN THE UPPER 40S. WEST WINDS 5 TO 10 MPH.
.WEDNESDAY...MOSTLY CLEAR. LOWS IN THE UPPER 40S. HIGHS IN THE
LOWER 70S. WEST WINDS AROUND 14 MPH.
.THURSDAY...CLEAR. LOWS IN THE UPPER 40S. HIGHS IN THE LOWER 70S.
WINDS GENERALLY LESS THAN 10 MPH.
.FRIDAY...MOSTLY CLEAR. LOWS AROUND 50. HIGHS IN THE LOWER 70S.
WINDS GENERALLY LESS THAN 10 MPH.
.SATURDAY...MOSTLY CLEAR. LOWS IN THE UPPER 40S. HIGHS IN THE MID
70S. WINDS GENERALLY LESS THAN 10 MPH.

$$

FORECASTER...MEUNIER
REQUESTED BY...CODY DISPATCH
REASON FOR REQUEST...WILDFIRE
.TAG 20110725.LITTL.01/RIW