FNUS75 KRIW 141619
FWSRIW

SPOT FORECAST FOR SINKS...USFS SHF
NATIONAL WEATHER SERVICE RIVERTON WY
919 AM MST MON NOV 14 2011

FORECAST IS BASED ON REQUEST TIME OF 0841 MST ON NOVEMBER 14.
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER
SERVICE.

.DISCUSSION...A STRONG JET STREAM OVERHEAD ALONG WITH A TIGHT SURFACE PRESSURE
GRADIENT WILL RESULT IN VERY STRONG WEST SOUTHWEST WINDS ALONG WITH RELATIVELY
LOW RELATIVE HUMIDITY ALONG WITH LIMITED RELATIVE HUMIDITY RECOVERY AT NIGHT
CAN BE EXPECTED THROUGH TUESDAY.

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

FORECASTER...LIPSON

.TODAY...
SKY/WEATHER.........MOSTLY CLOUDY (60-70 PERCENT). AREAS OF BLOWING
                    SNOW IN THE MORNING. SLIGHT CHANCE OF SNOW FLURRIES
                    TODAY.
MAX TEMPERATURE.....37.
MIN HUMIDITY........27 PERCENT.
20 FOOT WINDS.......WINDY. WEST SOUTHWEST WINDS 31 TO 37 MPH. GUSTS UP TO 60
                    MPH DECREASING TO 45 MPH BY 1200.
RIDGE TOP WINDS.....WEST 40 TO 45 MPH.
HAINES INDEX........2 OR VERY LOW POTENTIAL FOR LARGE PLUME
                    DOMINATED FIRE GROWTH.
MIXING HEIGHT.......1400-2400 FT AGL.
TRANSPORT WINDS.....WEST 44 TO 47 MPH.
SMOKE DISPERSAL.....GOOD TO VERY GOOD (93600-122200 KNOT-FT).

.TONIGHT...
SKY/WEATHER.........MOSTLY CLOUDY (70-80 PERCENT). OCCASIONAL
                    FLURRIES IN THE EVENING...THEN SLIGHT CHANCE OF
                    SNOW AFTER MIDNIGHT. AREAS OF BLOWING SNOW
                    AFTER MIDNIGHT.
MIN TEMPERATURE.....27.
MAX HUMIDITY........42 PERCENT.
20 FOOT WINDS.......WINDY. WEST SOUTHWEST WINDS 31 TO 36 MPH WITH GUSTS TO
                    AROUND 50 MPH DECREASING TO 21 TO 24 MPH WITH
                    GUSTS TO AROUND 45 MPH AFTER MIDNIGHT.
RIDGE TOP WINDS.....WEST AROUND 40 MPH DECREASING TO AROUND 30 MPH
                    AFTER MIDNIGHT.
HAINES INDEX........2 OR VERY LOW POTENTIAL FOR LARGE PLUME
                    DOMINATED FIRE GROWTH.
MIXING HEIGHT.......2300 FT AGL.
TRANSPORT WINDS.....WEST AROUND 44 MPH DECREASING TO AROUND 25 MPH
                    AFTER MIDNIGHT.
SMOKE DISPERSAL.....FAIR TO GOOD (47900-92600 KNOT-FT).

.TUESDAY...
SKY/WEATHER.........MOSTLY CLOUDY (65-75 PERCENT). SLIGHT CHANCE OF
                    SNOW.
MAX TEMPERATURE.....AROUND 34.
MIN HUMIDITY........28 PERCENT.
20 FOOT WINDS.......WEST SOUTHWEST WINDS 5 TO 9 MPH INCREASING TO
                    12 TO 17 MPH WITH GUSTS TO AROUND 30 MPH BY 1200.                    5-9 MPH.
RIDGE TOP WINDS.....NORTHWEST 15 TO 20 MPH.
HAINES INDEX........2 OR VERY LOW POTENTIAL FOR LARGE PLUME
                    DOMINATED FIRE GROWTH.
MIXING HEIGHT.......2100-3100 FT AGL.
TRANSPORT WINDS.....WEST 17 TO 18 MPH.
SMOKE DISPERSAL.....POOR TO FAIR (32300-47100 KNOT-FT).

.FORECAST DAYS 3 THROUGH 5...
.TUESDAY NIGHT...MOSTLY CLOUDY. OCCASIONAL FLURRIES IN THE
EVENING...THEN SLIGHT CHANCE OF SNOW AFTER MIDNIGHT. LOWS AROUND
12. WEST WINDS AROUND 12 MPH.
.WEDNESDAY...PARTLY CLOUDY. OCCASIONAL FLURRIES IN THE EVENING.
LOWS AROUND 20. HIGHS IN THE UPPER 20S. WEST WINDS AROUND 11 MPH.
.THURSDAY...MOSTLY CLOUDY. CHANCE OF SNOW AND SLIGHT CHANCE OF
RAIN. LOWS IN THE MID 20S. HIGHS IN THE UPPER 30S. WEST WINDS
AROUND 18 MPH.
.FRIDAY...CLOUDY WITH SNOW LIKELY. LOWS AROUND 15. HIGHS IN THE
MID 30S. SOUTHWEST WINDS AROUND 11 MPH.

$$

FORECASTER...LIPSON
REQUESTED BY...BRETT HELLER
REASON FOR REQUEST...WILDFIRE
.TAG 20111114.SINKS.01/RIW