FNUS75 KRIW 011535
FWSRIW

SPOT FORECAST FOR FAIRFIELD...USFS
NATIONAL WEATHER SERVICE RIVERTON WY
935 AM MDT THU AUG 1 2013

FORECAST IS BASED ON REQUEST TIME OF 0849 MDT ON AUGUST 01.
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER
SERVICE.

.DISCUSSION...

FOR TODAY AND TONIGHT...THERE IS A DISTURBANCE MOVING OUT OF
NORTHWESTERN NEVADA THIS MORNING WHICH WILL ARRIVE NEAR OUR AREA
LATER LATE IN THE DAY AND EVENING. BEFORE THAT ARRIVES HOWEVER...
A DRIER FLOW PATTERN WILL BE IN CONTROL...WITH BEST CHANCES FOR
PRECIPITATION OCCURRING LATER THIS EVENING. THESE SHOWERS OR
STORMS MAY LAST INTO THE EARLY MORNING HOURS BEFORE CLEARING OUT
BY SUNRISE. OTHERWISE...TEMPERATURES WILL TREND SLIGHTLY WARMER
AND RELATIVE HUMIDITY LOWER TODAY WITH GUSTY SOUTHWEST WINDS
DEVELOPING AROUND NOON. ISOLATED THUNDERSTORMS MAY DEVELOP ON
THE NORTH END OF THE WIND RIVER RANGE BY MID/LATE-AFTERNOON.
IF THEY WORK THEIR WAY FAR ENOUGH SOUTH...ERRATIC WINDS COULD
AFFECT THE BURN AREA FOR A SHORT PERIOD. FRIDAY...A DRIER AND
SOMEWHAT COOLER AIR-MASS WILL TAKE OVER...WITH WINDS TRENDING
FROM SOUTHWEST TO WESTERLY...AND PERHAPS A BIT LESS GUSTY.

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

FORECASTER...BRAUN

.TODAY...
SKY/WEATHER.........MOSTLY SUNNY (25-35 PERCENT) THEN BECOMING
                    PARTLY CLOUDY (40-50 PERCENT). ISOLATED SHOWERS
                    AND THUNDERSTORMS IN THE AFTERNOON.
MAX TEMPERATURE.....78 TO 82.
MIN HUMIDITY........18-21 PERCENT.
20 FOOT WINDS.......BECOMING UPSLOPE/UPVALLEY 5-9 MPH...THEN BECOMING
                    SOUTHWEST 10 TO 15 MPH WITH GUSTS TO AROUND 20 MPH
                    IN THE AFTERNOON. GUSTY AND ERRATIC WINDS EXPECTED
                    NEAR ANY THUNDERSTORMS LATE IN THE AFTERNOON.
RIDGE TOP WINDS.....SOUTHWEST AROUND 15 MPH INCREASING TO AROUND 25
                    MPH LATE IN THE AFTERNOON.
LAL.................1 UNTIL 1200...THEN 2.
CHC OF WETTING RAIN.LESS THAN 5 PERCENT.
HAINES INDEX........5 OR MODERATE POTENTIAL FOR LARGE PLUME
                    DOMINATED FIRE GROWTH.
MIXING HEIGHT.......3600-4600 FT AGL INCREASING TO 8800-9800 FT AGL
                    IN THE AFTERNOON.
TRANSPORT WINDS.....SOUTHWEST 15 TO 20 MPH INCREASING TO WEST
                    SOUTHWEST AROUND 30 MPH LATE IN THE AFTERNOON.
SMOKE DISPERSAL.....GOOD (60900 KNOT-FT) INCREASING TO EXCELLENT
                    (190800 KNOT-FT) IN THE AFTERNOON.

.TONIGHT...
SKY/WEATHER.........BECOMING PARTLY CLOUDY (40-50 PERCENT). ISOLATED
                    TO WIDELY SCATTERED SHOWERS AND THUNDERSTORMS IN
                    THE EVENING. ISOLATED RAIN SHOWERS AFTER
                    MIDNIGHT.
MIN TEMPERATURE.....43-50.
MAX HUMIDITY........64-74 PERCENT.
20 FOOT WINDS.......SOUTHWEST WINDS 10 TO 15 MPH WITH GUSTS TO
                    AROUND 25 MPH. GUSTY AND ERRATIC WINDS EXPECTED
                    NEAR ANY THUNDERSTORMS.
RIDGE TOP WINDS.....SOUTHWEST 20 TO 25 MPH.
LAL.................3 UNTIL 2400...THEN 2 UNTIL 0300...THEN 1.
CHC OF WETTING RAIN.10 PERCENT.
HAINES INDEX........5 OR MODERATE POTENTIAL FOR LARGE PLUME
                    DOMINATED FIRE GROWTH.
MIXING HEIGHT.......9600-10600 FT AGL DECREASING TO 5200-6200 FT
                    AGL AFTER MIDNIGHT.
TRANSPORT WINDS.....SOUTHWEST 15 TO 25 MPH.
SMOKE DISPERSAL.....EXCELLENT (216500 KNOT-FT) DECREASING TO VERY
                    GOOD (106900 KNOT-FT) AFTER MIDNIGHT.

.FRIDAY...
SKY/WEATHER.........PARTLY CLOUDY (35-45 PERCENT) BECOMING CLEAR.
MAX TEMPERATURE.....71-80.
MIN HUMIDITY........16-19 PERCENT.
20 FOOT WINDS.......SOUTHWEST WINDS 12 TO 15 MPH WITH GUSTS TO
                    AROUND 20 MPH EARLY IN THE MORNING BECOMING
                    UPSLOPE/UPVALLEY 5-9 MPH...THEN BECOMING WEST
                    AROUND 10 MPH AND GUSTY EARLY IN THE AFTERNOON
                    BECOMING UPSLOPE/UPVALLEY 5-9 MPH.
RIDGE TOP WINDS.....WEST 15 TO 20 MPH.
LAL.................1.
CHC OF WETTING RAIN.ZERO PERCENT.
HAINES INDEX........5 OR MODERATE POTENTIAL FOR LARGE PLUME
                    DOMINATED FIRE GROWTH.
MIXING HEIGHT.......4300-5300 FT AGL INCREASING TO 7700-8700 FT AGL
                    IN THE AFTERNOON.
TRANSPORT WINDS.....SOUTHWEST 15 TO 20 MPH.
SMOKE DISPERSAL.....GOOD TO VERY GOOD (73800-109900 KNOT-FT).

.FORECAST DAYS 3 THROUGH 5...
.FRIDAY NIGHT...PARTLY CLOUDY. LOWS IN THE UPPER 40S. WINDS
GENERALLY LESS THAN 10 MPH.
.SATURDAY...MOSTLY CLEAR. LOWS IN THE LOWER 50S. HIGHS IN THE MID
70S. WINDS GENERALLY LESS THAN 10 MPH.
.SUNDAY...MOSTLY CLEAR. LOWS IN THE LOWER 50S. HIGHS IN THE MID
70S. WINDS GENERALLY LESS THAN 10 MPH.
.MONDAY...PARTLY CLOUDY. LOWS IN THE LOWER 50S. HIGHS IN THE MID
70S. WINDS GENERALLY LESS THAN 10 MPH.

$$

FORECASTER...BRAUN
REQUESTED BY...GILA CREW
REASON FOR REQUEST...WILDFIRE
.TAG 20130801.FAIRF.01/RIW