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 9 10 11 12 13 14

000
FNUS75 KRIW 211056
FWSRIW

SPOT FORECAST FOR HOOLIGAN SPRINGS RX...WORLAND FIRE
NATIONAL WEATHER SERVICE RIVERTON WY
456 AM MDT TUE APR 21 2015

FORECAST IS BASED ON IGNITION TIME OF 1100 MDT ON APRIL 21.
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER
SERVICE.

.DISCUSSION...NORTHWEST FLOW ALOFT WILL PREVAIL TODAY BRINGING DRY
WEATHER ACROSS THE WEST SLOPES OF THE BIGHORN RANGE. SURFACE HIGH
PRESSURE WILL BUILD INTO THE NORTHERN PLAINS PUSHING A COLD FRONT
BACK INTO THE EAST SLOPES OF THE BIGHORN RANGE AROUND NOON. THIS
MAY RESULT IN A FEW SHOWERS AND STORMS MAINLY ON THE EAST SIDE OF
THE RANGE...AND A STRENGTHENING DOWNSLOPE EASTERLY FLOW ON THE WEST
SLOPE IN THE LATE AFTERNOON AND EVENING. SURFACE HIGH PRESSURE
WILL SLIDE INTO THE CENTRAL PLAINS ON WEDNESDAY...DRY CONDITIONS
ARE EXPECTED WITH TEMPERATURES TRENDING WARMER...DOWNSLOPE
EASTERLY WINDS KICKING IN THE THE LATE AFTERNOON AND EVENING.

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

FORECASTER...MEUNIER

.TODAY...
SKY/WEATHER.........PARTLY CLOUDY AT SUNRISE...THEN MOSTLY SUNNY THROUGH
                    THE REST OF THE MORNING.  BECOMING PARTLY CLOUDY
                    (30-40 PERCENT) IN THE AFTERNOON
MAX TEMPERATURE.....54-57.
MIN HUMIDITY........27-30 PERCENT.

20 FOOT WINDS.......UPSLOPE OR NORTHWEST 5-10 MPH WITH GUSTS TO 15 MPH IN THE
                    LATE MORNING AND AFTERNOON.
RIDGE TOP WINDS.....NORTHWEST 10 TO 15 MPH.

LAL.................1.
CHC OF WETTING RAIN.ZERO PERCENT.
HAINES INDEX........3 OR VERY LOW POTENTIAL FOR LARGE PLUME DOMINATED
                    FIRE GROWTH.
MIXING HEIGHT.......INCREASING TO 4000-5000 FT AGL IN THE AFTERNOON.
TRANSPORT WINDS.....NORTHWEST 12 TO 20 MPH.
SMOKE DISPERSAL.....BECOMING FAIR BY 1100...THEN BECOMING GOOD
                    AFTER 1300.

.TONIGHT...
SKY/WEATHER.........PARTLY CLOUDY (35-45 PERCENT) IN THE EVENING...BECOMING
                    MOSTLY CLEAR (15-25 PERCENT) OVERNIGHT.
MIN TEMPERATURE.....34-37.
MAX HUMIDITY........76-79 PERCENT.

20 FOOT WINDS.......BECOMING EAST OR DOWNSLOPE 8 TO 10 MPH WITH GUSTS 15-20 MPH
                    AROUND SUNSET...THEN BECOMING NORTH AROUND 5 MPH
                    AFTER 2 AM.
RIDGE TOP WINDS.....BECOMING EAST 8 TO 14 MPH AROUND SUNSET...THEN NORTHEAST
                    AROUND 5 MPH AFTER MIDNIGHT.

LAL.................1.
CHC OF WETTING RAIN.ZERO PERCENT.
HAINES INDEX........3 OR VERY LOW POTENTIAL FOR LARGE PLUME
                    DOMINATED FIRE GROWTH.
MIXING HEIGHT.......4000-5000 FT AGL IN THE EARLY EVENING...DECREASING
                    TO BELOW 1000 FT AGL AFTER MIDNIGHT.
TRANSPORT WINDS.....NORTHWEST AROUND 10 MPH SHIFTING TO THE EAST
                    5-10 MPH AFTER SUNSET.
SMOKE DISPERSAL.....GOOD UNTIL SUNSET...THEN BECOMING POOR.

.WEDNESDAY...
SKY/WEATHER.........PARTLY CLOUDY (35-45 PERCENT).
MAX TEMPERATURE.....AROUND 60.
MIN HUMIDITY........29-32 PERCENT.

20 FOOT WINDS.......NORTH AROUND 5 MPH...BECOMING UPSLOPE OR WEST AROUND 10 MPH
                    IN THE LATE MORNING AND AFTERNOON.
RIDGE TOP WINDS.....WEST SOUTHWEST 5 TO 10 MPH.

LAL.................1.
CHC OF WETTING RAIN.ZERO PERCENT.
HAINES INDEX........3 OR VERY LOW POTENTIAL FOR LARGE PLUME
                    DOMINATED FIRE GROWTH.
MIXING HEIGHT.......4500-5500 FT AGL.
TRANSPORT WINDS.....WEST 12 TO 14 MPH IN THE LATE MORNING AND AFTERNOON.
SMOKE DISPERSAL.....FAIR TO GOOD (41000-65500 KNOT-FT) IN THE LATE MORNING
                    AND AFTERNOON.

.FORECAST DAYS 3 THROUGH 5...
.WEDNESDAY NIGHT...PARTLY CLOUDY. LOWS IN THE UPPER 30S. WINDS
GENERALLY LESS THAN 10 MPH.

.THURSDAY...MOSTLY CLOUDY. CHANCE OF SHOWERS AND SLIGHT CHANCE OF
THUNDERSTORMS. LOWS IN THE MID 30S. HIGHS AROUND 60. WINDS
GENERALLY LESS THAN 10 MPH.

.FRIDAY...MOSTLY CLOUDY WITH CHANCE OF SHOWERS. LOWS IN THE MID
30S. HIGHS IN THE MID 50S. WINDS GENERALLY LESS THAN 10 MPH.

.SATURDAY...MOSTLY CLOUDY WITH CHANCE OF SHOWERS AND ISOLATED
THUNDERSTORMS. LOWS IN THE MID 30S. HIGHS IN THE LOWER 50S. WINDS
GENERALLY LESS THAN 10 MPH.

$$

FORECASTER...MEUNIER
REQUESTED BY...RANCE NEIGHBORS
REASON FOR REQUEST...PRESCRIBED
.TAG 20150421.HOOLI.02/RIW







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