Suppression Forecast
Issued by NWS Riverton, WY

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000
FNUS75 KRIW 241043
FWSRIW

SPOT FORECAST FOR LAVA MOUNTAIN...USFS
NATIONAL WEATHER SERVICE RIVERTON WY
443 AM MDT WED AUG 24 2016

FORECAST IS BASED ON REQUEST TIME OF 1955 MDT ON AUGUST 23.
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER
SERVICE.

.DISCUSSION...AN UPPER LEVEL LOW PRESSURE SYSTEM WILL SETTLE INTO
NORTHWEST WYOMING THIS EVENING...AND COMBINE WITH LOW LEVEL
UPSLOPE FLOW TO BRING INCREASING SHOWERS AND ISOLATED
THUNDERSTORMS TO THE AREA THIS AFTERNOON AND EVENING.
UNSEASONABLY COOL AND UNSETTLED CONDITIONS WILL REMAIN OVER THE
AREA THROUGH FRIDAY.

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

FORECASTER...MEUNIER

.TODAY...

SKY/WEATHER.........MOSTLY SUNNY (20-30 PERCENT) IN THE MORNING.  INCREASING
                    CLOUDS IN THE AFTERNOON WITH SCATTERED SHOWERS
                    AND ISOLATED THUNDERSTORMS IN THE LATE AFTERNOON.
MAX TEMPERATURE.....55-60.
MIN HUMIDITY........23-26 PERCENT.

20 FOOT WINDS.......EAST SOUTHEAST 5-10 MPH WITH GUSTS UP TO 15 MPH.
                    GUSTY AND ERRATIC WINDS EXPECTED NEAR THUNDERSTORMS
                    LATE IN THE AFTERNOON.
RIDGE TOP WINDS.....EAST SOUTHEAST 10 TO 15 MPH.

LAL.................1 UNTIL 1500...THEN 2.
CHC OF WETTING RAIN.5 PERCENT.
HAINES INDEX........5 OR MODERATE POTENTIAL FOR LARGE PLUME
                    DOMINATED FIRE GROWTH.
MIXING HEIGHT.......NEAR 2000 FT AGL UNTIL 1000...INCREASING TO
                    9700 FT AGL IN THE AFTERNOON.
TRANSPORT WINDS.....SOUTHEAST 5 TO 10 MPH IN THE MORNING.  SOUTHWEST
                    5-10 MPH IN THE AFTERNOON.
SMOKE DISPERSAL.....POOR IN THE MORNING.  FAIR IN THE AFTERNOON.

.TONIGHT...

SKY/WEATHER.........MOSTLY CLOUDY (70-80 PERCENT). SCATTERED RAIN
                    SHOWERS AND ISOLATED THUNDERSTORMS IN THE
                    EVENING...THEN ISOLATED RAIN AND SNOW
                    SHOWERS AFTER MIDNIGHT.
MIN TEMPERATURE.....AROUND 30.
MAX HUMIDITY........85-94 PERCENT.

20 FOOT WINDS.......EAST WINDS 8 TO 10 MPH WITH GUSTS TO 15 MPH.
                    GUSTY AND  ERRATIC WINDS EXPECTED NEAR THUNDERSTORMS IN
                    THE EVENING.
RIDGE TOP WINDS.....EAST 10 TO 15 MPH.

LAL.................3 UNTIL 2100...THEN 1.
CHC OF WETTING RAIN.5 PERCENT.
HAINES INDEX........4 OR LOW POTENTIAL FOR LARGE PLUME DOMINATED
                    FIRE GROWTH.
MIXING HEIGHT.......4500 FT AGL DECREASING TO 1200 FT AGL AFTER
                    MIDNIGHT.
TRANSPORT WINDS.....SOUTHEAST 10 TO 15 MPH.
SMOKE DISPERSAL.....POOR.

.THURSDAY...

SKY/WEATHER.........MOSTLY CLOUDY (70-80 PERCENT). SCATTERED RAIN
                    AND SNOW SHOWERS IN THE MORNING.  SCATTERED
                    RAIN SHOWERS AND ISOLATED THUNDERSTORMS IN THE
                    AFTERNOON.
MAX TEMPERATURE.....47-55.
MIN HUMIDITY........45-50 PERCENT.

20 FOOT WINDS.......EAST SOUTHEAST WINDS 5 TO 10 MPH. GUSTS UP TO
                    15 MPH. GUSTY AND ERRATIC WINDS EXPECTED NEAR
                    THUNDERSTORMS IN THE AFTERNOON.
RIDGE TOP WINDS.....SOUTHEAST AROUND 10 MPH.

LAL.................1 UNTIL 1200...THEN 2.
CHC OF WETTING RAIN.30 PERCENT.
HAINES INDEX........3 OR VERY LOW POTENTIAL FOR LARGE PLUME
                    DOMINATED FIRE GROWTH.
MIXING HEIGHT.......BELOW 1000 FT AGL UNTIL 0900...INCREASING TO
                    5000 FT AGL LATE IN THE AFTERNOON.
TRANSPORT WINDS.....SOUTHEAST 5 TO 10 MPH...SHIFTING TO THE SOUTHWEST
                    LATE IN THE AFTERNOON.
SMOKE DISPERSAL.....POOR (24000 KNOT-FT).

.FORECAST DAYS 3 THROUGH 5...
.THURSDAY NIGHT...
MOSTLY CLOUDY. SCATTERED SHOWERS AND ISOLATED THUNDERSTORMS IN THE EVENING.
LOWS IN THE LOWER 30S. WINDS GENERALLY LESS THAN 10 MPH.

.FRIDAY...
MOSTLY CLOUDY WITH SCATTERED SHOWERS AND ISOLATED AFTERNOON
THUNDERSTORMS.  HIGHS IN THE UPPER 50S. WINDS GENERALLY
LESS THAN 10 MPH.

.SATURDAY...
MOSTLY CLEAR. LOWS IN THE LOWER 30S. HIGHS IN THE MID 60S. WEST WIND
15 TO 20 MPH AND GUSTY IN THE AFTERNOON.

.SUNDAY...
MOSTLY CLEAR. LOWS IN THE MID 30S. HIGHS AROUND 70. WINDS
GENERALLY LESS THAN 10 MPH.

$$
FORECASTER...MEUNIER
REQUESTED BY...SLAGOWSKI
TYPE OF REQUEST...WILDFIRE
.TAG 20160823.LAVAM.01/RIW


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