Suppression Forecast
Issued by NWS Riverton, WY

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000
FNUS75 KRIW 171001
FWSRIW

SPOT FORECAST FOR NE QUAD RX...IA TDC
NATIONAL WEATHER SERVICE RIVERTON WY
401 AM MDT WED SEP 17 2014

FORECAST IS BASED ON IGNITION TIME OF 1000 MDT ON SEPTEMBER 17.
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER
SERVICE.

.DISCUSSION...

A RIDGE OF HIGH PRESSURE WILL RESULT IN WARM TEMPERATURES AND
LIGHT WINDS...OUTSIDE OF THUNDERSTORMS...TODAY. ENOUGH MOISTURE WILL
BE AVAILABLE FOR ISOLATED SHOWERS AND THUNDERSTORMS MAINLY THIS
AFTERNOON AND EVENING. HOWEVER CANNOT RULE OUT SOME ACTIVITY THIS
MORNING FROM ONGOING ACTIVITY EARLY THIS MORNING ACROSS EASTERN
IDAHO. A STORM SYSTEM PUSHING INTO THE WEST COAST ON THURSDAY...WILL
RESULT IN A BREEZY WEST TO SOUTHWEST WIND OVER THE FIRE SITE AS
WELL AS A BETTER CHANCE OF SHOWERS AND THUNDERSTORMS ON THURSDAY. A WEAK
PACIFIC COLD FRONT WILL PUSH ACROSS WESTERN WYOMING THURSDAY NIGHT
INTO FRIDAY MORNING.

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

FORECASTER...MURRELL

.TODAY...
SKY/WEATHER.........PARTLY CLOUDY (40-50 PERCENT) WITH ISOLATED
                    SHOWERS AND THUNDERSTORMS.
MAX TEMPERATURE.....75.
MIN HUMIDITY........23 PERCENT.
20 FOOT WINDS.......LIGHT AND VARIABLE 2-4 MPH...BECOMING UPSLOPE
                    2-5 MPH BY 10 AM...THEN WEST 4-8 MPH BY AROUND
                    2 PM. GUSTY AND ERRATIC WINDS EXPECTED NEAR ANY
                    THUNDERSTORMS.
RIDGE TOP WINDS.....SOUTH TO SOUTHWEST AROUND 5 MPH BECOMING
                    WEST SOUTHWEST 5-10 MPH BY AROUND NOON.
LAL.................2.
CHC OF WETTING RAIN.LESS THAN 5 PERCENT.
HAINES INDEX........4 OR LOW POTENTIAL FOR LARGE PLUME DOMINATED
                    FIRE GROWTH.
MIXING HEIGHT.......9000 FT AGL IN THE AFTERNOON.
TRANSPORT WINDS.....SOUTHWEST 5-10 MPH...BECOMING WEST AROUND
                    10 MPH IN THE AFTERNOON.
SMOKE DISPERSAL.....INCREASING TO GOOD (70500-90000 KNOT-FT)
                    BY EARLY AFTERNOON.

.TONIGHT...
SKY/WEATHER.........PARTLY CLOUDY (50-60 PERCENT). ISOLATED SHOWERS
                    AND THUNDERSTORMS IN THE EVENING.
MIN TEMPERATURE.....45.
MAX HUMIDITY........70 PERCENT.
20 FOOT WINDS.......WEST 4-8 MPH...BECOMING DOWNSLOPE/DOWNVALLEY
                    3-6 MPH BY 8 PM. GUSTY AND ERRATIC WINDS
                    EXPECTED NEAR THUNDERSTORMS IN THE EVENING.
RIDGE TOP WINDS.....WEST 5-10 MPH BECOMING EAST TO SOUTHEAST
                    5-10 MPH BETWEEN 7 AND 8 PM.
LAL.................2 UNTIL 9 PM...THEN 1.
CHC OF WETTING RAIN.LESS THAN 5 PERCENT.
HAINES INDEX........4 OR LOW POTENTIAL FOR LARGE PLUME DOMINATED
                    FIRE GROWTH.
MIXING HEIGHT.......DECREASING TO 800 FT BY 8 PM.
TRANSPORT WINDS.....WEST 5-10 MPH BECOMING EAST TO SOUTHEAST
                    5-10 MPH BETWEEN 7 AND 8 PM.
SMOKE DISPERSAL.....POOR.

.THURSDAY...
SKY/WEATHER.........MOSTLY CLOUDY (60-70 PERCENT). ISOLATED RAIN
                    SHOWERS IN THE MORNING. SCATTERED SHOWERS
                    AND THUNDERSTORMS IN THE AFTERNOON.
MAX TEMPERATURE.....70.
MIN HUMIDITY........34 PERCENT.
20 FOOT WINDS.......LIGHT AND VARIABLE 2-5 MPH...BECOMING WEST
                    TO SOUTHWEST AROUND 10 MPH...WITH GUSTS AROUND
                    20 MPH BY AROUND NOON. GUSTY AND ERRATIC
                    WINDS EXPECTED NEAR ANY THUNDERSTORMS.
RIDGE TOP WINDS.....SOUTH 5-10 MPH BECOMING SOUTHWEST 10-15 MPH
                    WITH GUSTS TO 25 MPH BY AROUND NOON.
LAL.................1 UNTIL NOON...THEN 3.
CHC OF WETTING RAIN.10 PERCENT.
HAINES INDEX........4 OR LOW POTENTIAL FOR LARGE PLUME DOMINATED
                    FIRE GROWTH.
MIXING HEIGHT.......7000 FT AGL IN THE AFTERNOON.
TRANSPORT WINDS.....SOUTH TO SOUTHWEST AROUND 10 MPH...BECOMING
                    SOUTHWEST 20 TO 30 MPH BY AROUND NOON.
SMOKE DISPERSAL.....GOOD BY LATE MORNING (75700 KNOT-FT)...AND
                    THEN VERY GOOD (140000 KNOT-FT) BY MID
                    AFTERNOON.

.FORECAST DAYS 3 THROUGH 5...

.THURSDAY NIGHT...MOSTLY CLOUDY. SCATTERED SHOWERS AND
THUNDERSTORMS...MAINLY IN THE EVENING. LOWS IN THE LOWER 40S.
WINDS GENERALLY LESS THAN 10 MPH.

.FRIDAY...PARTLY CLOUDY WITH WIDELY SCATTERED SHOWERS AND
THUNDERSTORMS. HIGHS IN THE LOWER 60S. WINDS GENERALLY LESS
THAN 10 MPH.

.SATURDAY...MOSTLY CLEAR. LOWS IN THE UPPER 30S. HIGHS IN THE MID
60S. WINDS GENERALLY LESS THAN 10 MPH.

.SUNDAY...PARTLY CLOUDY. LOWS IN THE UPPER 30S. HIGHS IN THE MID
60S. WINDS GENERALLY LESS THAN 10 MPH.

$$

FORECASTER...MURRELL
REQUESTED BY...ERIN
REASON FOR REQUEST...PRESCRIBED
.TAG 20140917.NEQUA.01/RIW






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