Suppression Forecast
Issued by NWS Riverton, WY

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000
FNUS75 KRIW 231123
FWSRIW

SPOT FORECAST FOR LITTLE BOB LAKE...BIA WRA
NATIONAL WEATHER SERVICE RIVERTON WY
523 AM MDT SUN AUG 23 2015

FORECAST IS BASED ON REQUEST TIME OF 2051 MDT ON AUGUST 22.
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER
SERVICE.

.DISCUSSION...RIDGE OF HIGH PRESSURE WILL START A WARMING TREND TODAY.
DRY CONDITIONS ARE ALSO EXPECTED TODAY...WITH MIN RH EXPECTED TO LOWER
BACK INTO THE UPPER TEENS TO LOW 20S TODAY. WESTERLY MORNING BREEZES
WILL GIVE WAY TO MORE OF A UPSLOPE/UP CANYON BREEZE THIS
AFTERNOON...WITH GUSTS UP TO 15 MPH POSSIBLE. DRY CONDITIONS...WITH
SLIGHTLY INCREASING WESTERLY BREEZES ARE THEN EXPECTED FOR TONIGHT.
WARMING TREND WILL CONTINUE THROUGH THE MID WEEK. SLIGHT CHANCES FOR
THUNDERSTORMS WILL ALSO RETURN MONDAY AND TUESDAY...AND POSSIBLY
CONTINUE THROUGH LATE IN THE UPCOMING WEEK.

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

FORECASTER...ANGLIN

.TODAY...

SKY/WEATHER.........SUNNY (5-15 PERCENT). AREAS OF SMOKE UNTIL LATE
                    AFTERNOON.
MAX TEMPERATURE.....68-71.
MIN HUMIDITY........17-20 PERCENT.
20 FOOT WINDS.......WEST 4 TO 8 MPH BECOMING UPSLOPE/UP CANYON 5-9 MPH
                    WITH GUSTS TO 15 MPH IN THE AFTERNOON.
RIDGE TOP WINDS.....WEST AROUND 10 TO 15 MPH SHIFTING TO THE NORTH
                    NORTHWEST IN THE AFTERNOON.
LAL.................1.
CHC OF WETTING RAIN.ZERO PERCENT.
HAINES INDEX........4 OR LOW POTENTIAL FOR LARGE PLUME DOMINATED
                    FIRE GROWTH.
MIXING HEIGHT.......1800-2800 FT AGL INCREASING TO 4800-5800 FT AGL
                    IN THE AFTERNOON.
TRANSPORT WINDS.....WEST AROUND 15 MPH SHIFTING TO THE NORTH NORTHWEST
                    IN THE AFTERNOON.
SMOKE DISPERSAL.....POOR TO FAIR (25300-59100 KNOT-FT).

.TONIGHT...

SKY/WEATHER.........MOSTLY CLEAR (10-20 PERCENT).
MIN TEMPERATURE.....41-44.
MAX HUMIDITY........49-52 PERCENT.
20 FOOT WINDS.......DOWNSLOPE/DOWNVALLEY 4-7 MPH BECOMING WEST 8 TO
                    12 MPH WITH GUSTS NEAR 20 MPH IN THE LATE EVENING
                    (AFTER 9 PM) AND INTO THE OVERNIGHT HOURS.
RIDGE TOP WINDS.....NORTHWEST AROUND 10 MPH SHIFTING TO THE WEST 15
                    TO 20 MPH IN THE LATE EVENING (AFTER 9 PM) AND
                    INTO THE OVERNIGHT HOURS.
LAL.................1.
CHC OF WETTING RAIN.ZERO PERCENT.
HAINES INDEX........5 OR MODERATE POTENTIAL FOR LARGE PLUME
                    DOMINATED FIRE GROWTH.
MIXING HEIGHT.......3700-4700 FT AGL DECREASING TO 1400-2000 FT AGL
                    AFTER MIDNIGHT.
TRANSPORT WINDS.....NORTHWEST AROUND 14 MPH SHIFTING TO THE WEST 17
                    TO 23 MPH IN THE LATE EVENING (AFTER 9 PM) AND
                    INTO THE OVERNIGHT HOURS.
SMOKE DISPERSAL.....POOR TO FAIR (32800-49600 KNOT-FT).

.MONDAY...

SKY/WEATHER.........MOSTLY SUNNY (20-30 PERCENT) THEN BECOMING
                    PARTLY CLOUDY (60-70 PERCENT). ISOLATED SHOWERS
                    AND THUNDERSTORMS IN THE AFTERNOON.
MAX TEMPERATURE.....72-75.
MIN HUMIDITY........21-24 PERCENT.
20 FOOT WINDS.......WEST WINDS AROUND 12 MPH WITH GUSTS NEAR 20 MPH
                    DIMINISHING AND BECOMING UPSLOPE/UPVALLEY
                    5-9 MPH WITH GUSTS TO 15 MPH IN THE LATE MORNING
                    OR EARLY AFTERNOON. GUSTY AND ERRATIC WINDS EXPECTED
                    NEAR THUNDERSTORMS IN THE AFTERNOON.
RIDGE TOP WINDS.....WEST 15 TO 20 MPH SHIFTING TO THE NORTHWEST
                    AND DIMINISH TO AROUND 10 MPH EARLY IN THE AFTERNOON.
LAL.................1 UNTIL 1200...THEN 2.
CHC OF WETTING RAIN.14 PERCENT.
HAINES INDEX........5 OR MODERATE POTENTIAL FOR LARGE PLUME
                    DOMINATED FIRE GROWTH.
MIXING HEIGHT.......4500-5500 FT AGL INCREASING TO 9200-10200 FT
                    AGL IN THE AFTERNOON.
TRANSPORT WINDS.....WEST 17 TO 24 MPH SHIFTING TO THE NORTHWEST
                    AROUND 14 MPH EARLY IN THE AFTERNOON...THEN
                    SHIFTING TO THE NORTHEAST AROUND 15 MPH LATE IN
                    THE AFTERNOON.
SMOKE DISPERSAL.....GOOD TO VERY GOOD (66300-104500 KNOT-FT).

.FORECAST DAYS 3 THROUGH 5...
.MONDAY NIGHT...
PARTLY CLOUDY. SLIGHT CHANCE OF SHOWERS AND THUNDERSTORMS BEFORE 9 PM.
LOWS IN THE MID 40S. WINDS GENERALLY LESS THAN 10 MPH...INCREASING TO
WESTERLY AROUND 10-15 MPH LATE. GUSTY AND ERRATIC WINDS POSSIBLE
NEAR THUNDERSTORMS.

.TUESDAY...
PARTLY CLOUDY WITH SLIGHT CHANCE OF SHOWERS AND THUNDERSTORMS IN THE
LATE AFTERNOON AND EARLY EVENING. LOWS IN THE MID 40S. HIGHS IN THE
MID 70S. WINDS GENERALLY LESS THAN 10 MPH. GUSTY AND ERRATIC WINDS
POSSIBLE NEAR THUNDERSTORMS.

.WEDNESDAY...
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS AND THUNDERSTORMS.
LOWS IN THE MID 40S. HIGHS IN THE LOWER 70S. WINDS GENERALLY LESS
THAN 10 MPH. GUSTY AND ERRATIC WINDS POSSIBLE NEAR THUNDERSTORMS.

.THURSDAY...
PARTLY CLOUDY WITH A CHANCE OF SHOWERS AND THUNDERSTORMS.
LOWS IN THE MID 40S. HIGHS IN THE UPPER 60S. WINDS GENERALLY LESS
THAN 10 MPH. GUSTY AND ERRATIC WINDS POSSIBLE NEAR THUNDERSTORMS.

$$
FORECASTER...ANGLIN
REQUESTED BY...CLINT DAWSON
TYPE OF REQUEST...WILDFIRE
.TAG 20150822.LITTL.01/RIW


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