Suppression Forecast
Issued by NWS Riverton, WY

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FNUS75 KRIW 221912
FWSRIW

SPOT FORECAST FOR DILLWORTH...WY-WBD
NATIONAL WEATHER SERVICE RIVERTON WY
112 PM MDT TUE JUL 22 2014

FORECAST IS BASED ON REQUEST TIME OF 1234 MDT ON JULY 22.
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER
SERVICE.

.DISCUSSION...FIRE CONDITIONS SHOULD IMPROVE TODAY AS THERE WILL BE SOMEWHAT
HIGHER RELATIVE HUMIDITY ALONG WITH LIGHTER WINDS. THERE WILL STILL
BE A RISK OF AN AFTERNOON OR EVENING THUNDERSTORM. FIRE CONDITIONS WILL WORSEN
ON WEDNESDAY AND THURSDAY AS RIDGING BUILDS ACROSS THE AREA FROM THE
SOUTH. THIS WILL BRING LOWER RELATIVE HUMIDITY...HOT TEMPERATURES
ALONG WITH A GUSTY WEST TO SOUTHWEST WIND AT TIMES.

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

FORECASTER...LIPSON

.TODAY...
SKY/WEATHER.........MOSTLY SUNNY (25-35 PERCENT) THEN BECOMING
                    PARTLY CLOUDY (35-45 PERCENT). ISOLATED SHOWERS
                    AND THUNDERSTORMS IN THE AFTERNOON AFTER 1600.
MAX TEMPERATURE.....81 TO 83.
MIN HUMIDITY........26-28 PERCENT.
20 FOOT WINDS.......WEST SOUTHWEST 10 TO 14
                    MPH WITH GUSTS TO AROUND 25 MPH.
                    GUSTY AND ERRATIC WINDS EXPECTED
                    NEAR ANY THUNDERSTORMS IN THE AFTERNOON.
RIDGE TOP WINDS.....WEST AROUND 15 MPH.
LAL.................1 UNTIL 1200...THEN 2.
CHC OF WETTING RAIN.ZERO PERCENT.
HAINES INDEX........5 OR MODERATE POTENTIAL FOR LARGE PLUME
                    DOMINATED FIRE GROWTH.
MIXING HEIGHT.......2800-3800 FT AGL INCREASING TO 6800-7800 FT AGL
                    IN THE AFTERNOON.
TRANSPORT WINDS.....WEST 17 TO 20 MPH.
SMOKE DISPERSAL.....FAIR (50900 KNOT-FT) INCREASING TO VERY GOOD
                    (106600 KNOT-FT) IN THE AFTERNOON.

.TONIGHT...
SKY/WEATHER.........PARTLY CLOUDY (30-40 PERCENT). ISOLATED SHOWERS
                    AND THUNDERSTORMS IN THE EVENING.
MIN TEMPERATURE.....52-55.
MAX HUMIDITY........56-59 PERCENT.
20 FOOT WINDS.......DOWNSLOPE/DOWNVALLEY 4-7 MPH....MAINLY FROM THE NORTHWEST.
                    GUSTY AND ERRATIC WINDS EXPECTED NEAR THUNDERSTORMS IN THE
                    EVENING.
RIDGE TOP WINDS.....SOUTHWEST 5 TO 10 MPH SHIFTING TO THE SOUTH
                    AFTER MIDNIGHT.
LAL.................2 UNTIL 2400...THEN 1.
CHC OF WETTING RAIN.LESS THAN 5 PERCENT.
HAINES INDEX........5 OR MODERATE POTENTIAL FOR LARGE PLUME
                    DOMINATED FIRE GROWTH.
MIXING HEIGHT.......7600-8600 FT AGL DECREASING TO 4400-5400 FT AGL
                    AFTER MIDNIGHT.
TRANSPORT WINDS.....SOUTHWEST 8 TO 13 MPH SHIFTING TO THE SOUTH 8
                    TO 9 MPH AFTER MIDNIGHT.
SMOKE DISPERSAL.....GOOD (83600 KNOT-FT) DECREASING TO POOR (30000
                    KNOT-FT) AFTER MIDNIGHT.

.WEDNESDAY...
SKY/WEATHER.........MOSTLY SUNNY (15-25 PERCENT) THEN BECOMING
                    PARTLY CLOUDY (45-55 PERCENT).
MAX TEMPERATURE.....85-87.
MIN HUMIDITY........19-21 PERCENT.
20 FOOT WINDS.......UPSLOPE/UPVALLEY 5-9 MPH BECOMING WEST 11
                    TO 13 MPH WITH GUSTS TO AROUND 25 MPH BY 1300.                  AFTERNOON.
RIDGE TOP WINDS.....WEST 10 TO 15 MPH SHIFTING TO THE SOUTHWEST
                    AROUND 20 MPH LATE IN THE AFTERNOON.
LAL.................1.
CHC OF WETTING RAIN.ZERO PERCENT.
HAINES INDEX........5 OR MODERATE POTENTIAL FOR LARGE PLUME
                    DOMINATED FIRE GROWTH.
MIXING HEIGHT.......4400-5400 FT AGL INCREASING TO 8400-9400 FT AGL
                    IN THE AFTERNOON.
TRANSPORT WINDS.....SOUTHWEST 13 TO 22 MPH.
SMOKE DISPERSAL.....FAIR (54700 KNOT-FT) INCREASING TO VERY GOOD
                    (145600 KNOT-FT) IN THE AFTERNOON.

.FORECAST DAYS 3 THROUGH 5...
.WEDNESDAY NIGHT...MOSTLY CLEAR. LOWS IN THE MID 50S. WEST WINDS
AROUND 12 MPH.
.THURSDAY...MOSTLY CLEAR. LOWS IN THE MID 40S. HIGHS IN THE LOWER
70S. WEST WINDS AROUND 12 MPH.
.FRIDAY...CLEAR. LOWS IN THE UPPER 40S. HIGHS IN THE UPPER 60S.
WINDS GENERALLY LESS THAN 10 MPH.
.SATURDAY...MOSTLY CLEAR. LOWS IN THE UPPER 40S. HIGHS IN THE MID
60S. WINDS GENERALLY LESS THAN 10 MPH.

$$

FORECASTER...LIPSON
REQUESTED BY...CDC
REASON FOR REQUEST...WILDFIRE
.TAG 20140722.DILLW.01/RIW





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