Suppression Forecast
Issued by NWS Riverton, WY

Home | Current Version | Previous Version | Graphics & Text | Print | Product List | Glossary On
Versions: 1 2 3 4 5 6 7 8 9 10 11 12 13 14
000
FNUS75 KRIW 221828
FWSRIW

SPOT FORECAST FOR ROCK CREEK...WY-WBD
NATIONAL WEATHER SERVICE RIVERTON WY
1228 PM MDT TUE JUL 22 2014

FORECAST IS BASED ON REQUEST TIME OF 1209 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

.TONIGHT...
SKY/WEATHER.........MOSTLY CLEAR (20-30 PERCENT). ISOLATED SHOWERS
                    AND THUNDERSTORMS EARLY IN THE EVENING.
MIN TEMPERATURE.....AROUND 60.
MAX HUMIDITY........59-62 PERCENT.
20 FOOT WINDS.......DOWNSLOPE/DOWNVALLEY 4-7 MPH...ESPECIALLY
                    FROM THE NORTHEAST. GUSTY AND ERRATIC
                    WINDS EXPECTED NEAR THUNDERSTORMS EARLY IN THE
                    EVENING.
RIDGE TOP WINDS.....SOUTHEAST 5 TO 10 MPH.
LAL.................2 UNTIL 2100...THEN 1.
CHC OF WETTING RAIN.ZERO PERCENT.
HAINES INDEX........5 OR MODERATE POTENTIAL FOR LARGE PLUME
                    DOMINATED FIRE GROWTH.
MIXING HEIGHT.......6700-7700 FT AGL DECREASING TO 3100-4100 FT AGL
                    AFTER MIDNIGHT.
TRANSPORT WINDS.....SOUTHEAST 8 TO 14 MPH.
SMOKE DISPERSAL.....POOR TO GOOD (34400-72800 KNOT-FT).

.WEDNESDAY...
SKY/WEATHER.........MOSTLY SUNNY (15-25 PERCENT) THEN BECOMING
                    PARTLY CLOUDY (35-45 PERCENT).
MAX TEMPERATURE.....94-97.
MIN HUMIDITY........10-13 PERCENT.
20 FOOT WINDS.......UPSLOPE/UPVALLEY 5-9 MPH...BECOMING SOUTHWEST 10 TO 12 MPH
                    BY 1400.
RIDGE TOP WINDS.....SOUTH AROUND 10 TO 12 MPH.
LAL.................1.
CHC OF WETTING RAIN.ZERO PERCENT.
HAINES INDEX........5 OR MODERATE POTENTIAL FOR LARGE PLUME
                    DOMINATED FIRE GROWTH.
MIXING HEIGHT.......3500-4500 FT AGL INCREASING TO 8500-9500 FT AGL
                    IN THE AFTERNOON.
TRANSPORT WINDS.....SOUTH 12 TO 13 MPH.
SMOKE DISPERSAL.....POOR (38100 KNOT-FT) INCREASING TO VERY GOOD
                    (112600 KNOT-FT) IN THE AFTERNOON.

.FORECAST DAYS 3 THROUGH 5...
.WEDNESDAY NIGHT...MOSTLY CLEAR. LOWS AROUND 60. WINDS GENERALLY
LESS THAN 10 MPH.
.THURSDAY...MOSTLY CLEAR. LOWS IN THE MID 50S. HIGHS IN THE LOWER
90S. WINDS GENERALLY LESS THAN 10 MPH.
.FRIDAY...CLEAR. LOWS AROUND 50. HIGHS IN THE LOWER 80S. WINDS
GENERALLY LESS THAN 10 MPH.
.SATURDAY...CLEAR. LOWS IN THE LOWER 50S. HIGHS IN THE LOWER 80S.
WINDS GENERALLY LESS THAN 10 MPH.
.SUNDAY...MOSTLY CLEAR. LOWS IN THE LOWER 50S. HIGHS IN THE MID
80S. WINDS GENERALLY LESS THAN 10 MPH.

$$

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






USA.gov is the U.S. government's official web portal to all federal, state and local government web resources and services.