Suppression Forecast
Issued by NWS Riverton, WY

Home | Current Version | Previous Version | Text Only | Print | Product List | Glossary Off
Versions: 1 2 3 4 5 6 7 8

000
FNUS75 KRIW 081006
FWSRIW

SPOT FORECAST FOR FIREHOLE...IA RWC
NATIONAL WEATHER SERVICE RIVERTON WY
406 AM MDT TUE JUL 8 2014

FORECAST IS BASED ON REQUEST TIME OF 2159 MDT ON JULY 07.
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER
SERVICE.

.DISCUSSION...
IT WILL BE DRY AND MOSTLY SUNNY TODAY WITH LOW LATE DAY RH`S UNDER
15 PERCENT. THE BEGINNINGS OF SOME MONSOONAL MOISTURE FROM THE SOUTHWEST
WILL EDGE INTO THE AREA ON WEDNESDAY RESULTING IN GUSTY HIGH BASED
THUNDERSTORMS ACROSS THE AREA. ANY NEARBY SHOWERS OR THUNDERSTORM ON
WEDNESDAY COULD PRODUCE WIND GUSTS OF 40-50 MPH. OTHERWISE...IT WILL
REMAIN QUITE WARM WITH LATE DAY RH`S DROPPING INTO THE TEENS.


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

FORECASTER...SKRBAC

.TODAY...
SKY/WEATHER.........MOSTLY SUNNY (10-20 PERCENT).
MAX TEMPERATURE.....85-88.
MIN HUMIDITY........12-15 PERCENT.
20 FOOT WINDS.......NORTHEAST WINDS 10 TO 15 MPH IN THE MORNING
                    BECOMING NORTHWEST 5-9 MPH IN THE AFTERNOON.
RIDGE TOP WINDS.....EAST 12 TO 17 MPH GRADUALLY SHIFTING TO THE NORTHWEST
                    AROUND 10 MPH EARLY 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.......2900-3900 FT AGL INCREASING TO 6900-7900 FT AGL
                    IN THE AFTERNOON.
TRANSPORT WINDS.....EAST 12 TO 16 MPH SHIFTING TO THE NORTHWEST
                    6-10 MPH EARLY IN THE AFTERNOON.
SMOKE DISPERSAL.....FAIR TO GOOD (45000-78000 KNOT-FT).

.TONIGHT...
SKY/WEATHER.........MOSTLY CLEAR (10-20 PERCENT).
MIN TEMPERATURE.....55-58.
MAX HUMIDITY........44-47 PERCENT.
20 FOOT WINDS.......DOWNSLOPE/DOWNVALLEY 4-7 MPH.
RIDGE TOP WINDS.....NORTHWEST 5-8 MPH SHIFTING TO THE EAST AFTER 2100L.
LAL.................1.
CHC OF WETTING RAIN.ZERO PERCENT.
HAINES INDEX........5 OR MODERATE POTENTIAL FOR LARGE PLUME
                    DOMINATED FIRE GROWTH.
MIXING HEIGHT.......6000-7000 FT AGL DECREASING TO 2000-3000 FT AGL
                    AFTER MIDNIGHT.
TRANSPORT WINDS.....NORTHWEST 6-9 MPH SHIFTING TO THE EAST
                    AT 9-12 MPH IN THE LATE EVENING AND OVERNIGHT.
SMOKE DISPERSAL.....GOOD IN THE EARLY EVENING...THEN BECOMING POOR AFTER
                    MIDNIGHT (20000-63000 KNOT-FT).

.WEDNESDAY...
SKY/WEATHER.........MOSTLY SUNNY (15-25 PERCENT) THEN BECOMING
                    PARTLY CLOUDY (30-40 PERCENT). ISOLATED SHOWERS
                    AND THUNDERSTORMS IN THE AFTERNOON.
MAX TEMPERATURE.....86-89.
MIN HUMIDITY........16-19 PERCENT.
20 FOOT WINDS.......UPSLOPE/UPVALLEY 5-9 MPH...BECOMING WEST 12-17 MPH
                    IN THE AFTERNOON. STRONG AND ERRATIC WINDS EXPECTED
                    NEAR SHOWERS AND THUNDERSTORMS IN THE AFTERNOON.
RIDGE TOP WINDS.....WEST AROUND 10 MPH INCREASING TO 15-20 MPH IN THE
                    AFTERNOON.
LAL.................1 UNTIL 1200...THEN 2.
CHC OF WETTING RAIN.5 PERCENT.
HAINES INDEX........5 OR MODERATE POTENTIAL FOR LARGE PLUME DOMINATED
                    FIRE GROWTH.
MIXING HEIGHT.......5200-6200 FT AGL INCREASING TO 9100-10100 FT
                    AGL IN THE AFTERNOON.
TRANSPORT WINDS.....WEST AROUND 10 MPH INCREASING TO 15-20 MPH
                    IN THE AFTERNOON.
SMOKE DISPERSAL.....GOOD (62600 KNOT-FT) INCREASING TO EXCELLENT
                    (170000 KNOT-FT) IN THE AFTERNOON.

.FORECAST DAYS 3 THROUGH 5...
.WEDNESDAY NIGHT...PARTLY CLOUDY. ISOLATED SHOWERS AND
THUNDERSTORMS IN THE EVENING. LOWS IN THE UPPER 50S. WINDS
GENERALLY LESS THAN 10 MPH.

.THURSDAY...PARTLY CLOUDY WITH SLIGHT CHANCE OF SHOWERS AND
THUNDERSTORMS. LOWS IN THE UPPER 50S. HIGHS IN THE MID 80S. WINDS
GENERALLY LESS THAN 10 MPH.

.FRIDAY...PARTLY CLOUDY WITH SLIGHT CHANCE OF SHOWERS AND
THUNDERSTORMS. LOWS IN THE UPPER 50S. HIGHS IN THE MID 80S. WINDS
GENERALLY LESS THAN 10 MPH.

.SATURDAY...PARTLY CLOUDY WITH SLIGHT CHANCE OF SHOWERS AND
THUNDERSTORMS. LOWS IN THE UPPER 50S. HIGHS IN THE MID 80S. WINDS
GENERALLY LESS THAN 10 MPH.

$$

FORECASTER...SKRBAC
REQUESTED BY...ASHLEY POWELL
REASON FOR REQUEST...WILDFIRE
.TAG 20140707.FIREH.02/RIW







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