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 15 16 17
000
FNUS75 KRIW 290147
FWSRIW

SPOT FORECAST FOR TOKAWANA FIRE...BLM-HPD
NATIONAL WEATHER SERVICE RIVERTON WY
747 PM MDT THU JUL 28 2016

FORECAST IS BASED ON REQUEST TIME OF 1918 MDT ON JULY 28.
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER
SERVICE.

.DISCUSSION...MOSTLY CLEAR AND DRY CONDITIONS WILL PREVAIL THROUGH FRIDAY.
AN EASTERLY FLOW WILL PUSH INTO WESTERN SWEETWATER COUNTY LATE
THIS EVENING, BUT SHOULD NOT MAKE IT FURTHER WEST INTO THE FIRE
AREA. SURFACE WINDS WILL LIKELY REMAIN NW-N THIS EVENING AND
BECOME DOWNSLOPE SOUTHERLY AFTER MIDNIGHT. SURFACE WEST WINDS WILL
INCREASE FRIDAY AFTERNOON WITH VERY DRY CONDITIONS, TEMPERATURES
AND RELATIVE HUMIDITY TRENDING SIMILAR TO TODAY.

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

FORECASTER...MEUNIER

.TONIGHT...

SKY/WEATHER.........MOSTLY CLEAR (5-15 PERCENT).
MIN TEMPERATURE.....AROUND 50.
MAX HUMIDITY........44-47 PERCENT.
20 FOOT WINDS.......NORTHWEST WINDS AROUND 10 MPH AND GUSTY UNTIL 2100
                    BECOMING DOWNSLOPE/DOWNVALLEY OR SOUTH 4-7 MPH
                    AFTER MIDNIGHT.
RIDGE TOP WINDS.....NORTHWEST 15 TO 20 MPH SHIFTING TO THE NORTH
                    AROUND 10 MPH AFTER MIDNIGHT...THEN SHIFTING TO
                    THE SOUTH LATE IN THE NIGHT.
LAL.................1.
CHC OF WETTING RAIN.ZERO PERCENT.
HAINES INDEX........5 OR MODERATE POTENTIAL FOR LARGE PLUME
                    DOMINATED FIRE GROWTH.
MIXING HEIGHT.......7200 FT AGL DECREASING TO 700 FT AGL AFTER
                    MIDNIGHT.
TRANSPORT WINDS.....NORTHWEST 15 TO 20 MPH...DECREASING TO 5 TO 10 MPH
                    AFTER MIDNIGHT.
SMOKE DISPERSAL.....VERY GOOD (132500 KNOT-FT) DECREASING TO POOR
                    (2600 KNOT-FT) AFTER MIDNIGHT.

.FRIDAY...

SKY/WEATHER.........MOSTLY SUNNY (10-20 PERCENT).
MAX TEMPERATURE.....AROUND 81-84.
MIN HUMIDITY........13-16 PERCENT.
20 FOOT WINDS.......UPSLOPE/UPVALLEY 5-9 MPH BECOMING WEST 11 TO 16
                    MPH WITH GUSTS TO AROUND 30 MPH IN THE
                    AFTERNOON.
RIDGE TOP WINDS.....SOUTHWEST AROUND 15 MPH SHIFTING TO THE WEST 20
                    TO 25 MPH IN THE AFTERNOON.
LAL.................1.
CHC OF WETTING RAIN.ZERO PERCENT.
HAINES INDEX........6 OR HIGH POTENTIAL FOR LARGE PLUME DOMINATED
                    FIRE GROWTH.
MIXING HEIGHT.......2000 FT AGL INCREASING TO 11000 FT AGL IN THE
                    AFTERNOON.
TRANSPORT WINDS.....WEST 14 TO 22 MPH INCREASING TO AROUND 28 MPH
                    LATE IN THE AFTERNOON.
SMOKE DISPERSAL.....POOR (24300 KNOT-FT) INCREASING TO EXCELLENT
                    (234900 KNOT-FT) IN THE AFTERNOON.

.FORECAST DAYS 3 THROUGH 5...
.FRIDAY NIGHT...
CLEAR. LOWS IN THE UPPER 40S. WINDS GENERALLY LESS THAN 10 MPH.

.SATURDAY...
PARTLY CLOUDY WITH ISOLATED SHOWERS AND THUNDERSTORMS.
HIGHS IN THE UPPER 70S. WINDS GENERALLY LESS THAN 10 MPH.

.SUNDAY...
PARTLY CLOUDY WITH SCATTERED SHOWERS AND THUNDERSTORMS. LOWS
AROUND 50. HIGHS IN THE MID 70S. SOUTHWEST WINDS AROUND 10 MPH.

.MONDAY...
PARTLY CLOUDY WITH ISOLATED SHOWERS AND THUNDERSTORMS. LOWS IN
THE UPPER 40S. HIGHS IN THE MID 70S. WINDS GENERALLY LESS THAN
10 MPH.
.TUESDAY...
PARTLY CLOUDY WITH SLIGHT CHANCE OF SHOWERS AND THUNDERSTORMS.
LOWS IN THE UPPER 40S. HIGHS IN THE MID 70S. WINDS GENERALLY LESS
THAN 10 MPH.

$$
FORECASTER...MEUNIER
REQUESTED BY...JON ZIEGLER
TYPE OF REQUEST...WILDFIRE
.TAG 20160728.TOKAW.01/RIW



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