FNUS75 KRIW 231108
FWSRIW

SPOT FORECAST FOR RED CANYON RX...BLM RSD
NATIONAL WEATHER SERVICE RIVERTON WY
508 AM MDT WED JUN 23 2010

FORECAST IS BASED ON IGNITION TIME OF 1100 MDT ON JUNE 23.
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER
SERVICE.

.DISCUSSION...

A RIDGE OF HIGH PRESSURE WILL BUILD OVER THE AREA TODAY. DRY AND
WARMER CONDITIONS ARE EXPECTED...WITH LIGHT AND MAINLY TERRAIN
DRIVEN WINDS. POOR RH RECOVERY IS EXPECTED TONIGHT.

A TROUGH WILL FORM OVER THE WEST COAST THURSDAY...WITH DEEP
SOUTHWEST FLOW ALOFT DEVELOPING OVER WESTERN WYOMING. THIS SHOULD
RESULT IN BREEZY SOUTHWEST WINDS DEVELOPING OVER THE FIRE SITE
THURSDAY AFTERNOON. SLIGHTLY WARMER TEMPERATURES AND LOWER RH IS
EXPECTED THURSDAY. ANY SHOWER OR THUNDERSTORM ACTIVITY IS EXPECTED
TO REMAIN NORTH OF THE FIRE SITE THURSDAY AFTERNOON AND EVENING.
HOWEVER AS THE TROUGH APPROACHES THE AREA FRIDAY...WIDELY
SCATTERED THUNDERSTORMS ARE POSSIBLE. BREEZY SOUTHWEST TO
WEST WINDS ARE EXPECTED TO CONTINUE ON FRIDAY.

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

FORECASTER...MURRELL

.TODAY...
SKY/WEATHER.........SUNNY (5-15 PERCENT).
MAX TEMPERATURE.....64-68.
MIN HUMIDITY........15-20 PERCENT.
WIND (20 FT)........UPSLOPE/UPVALLEY 3-6 MPH. GUSTS AROUND 10 MPH.
RIDGE TOP WINDS.....SOUTH AROUND 5 MPH BECOMING SOUTHWEST
                    5-10 MPH IN THE AFTERNOON.
LAL.................1.
CWR.................ZERO PERCENT.
HAINES INDEX........4 OR LOW POTENTIAL FOR LARGE PLUME DOMINATED
                    FIRE GROWTH.
MIXING HEIGHT.......2500 FT AGL INCREASING TO 6500 FT AGL
                    IN THE AFTERNOON.
TRANSPORT WINDS.....SOUTH 5-10 MPH BECOMING SOUTHWEST AROUND 1500.
SMOKE DISPERSAL.....POOR (12500 KNOT-FT) INCREASING TO FAIR
                    BY EARLY AFTERNOON (45500 KNOT-FT).

.TONIGHT...
SKY/WEATHER.........MOSTLY CLEAR (20-30 PERCENT).
MIN TEMPERATURE.....42-46.
MAX HUMIDITY........AROUND 35 PERCENT.
WIND (20 FT)........DOWNSLOPE/DOWNVALLEY 2-4 MPH.
RIDGE TOP WINDS.....SOUTH SOUTHWEST 4-8 MPH.
LAL.................1.
CWR.................ZERO PERCENT.
HAINES INDEX........5 OR MODERATE POTENTIAL FOR LARGE PLUME
                    DOMINATED FIRE GROWTH.
MIXING HEIGHT.......4500 FT AGL DECREASING TO 400 FT AGL BY
                    MIDNIGHT.
TRANSPORT WINDS.....SOUTH SOUTHWEST 4-8 MPH.
SMOKE DISPERSAL.....DECREASING TO POOR BY 2100. (5000 KNOT-FT).

.THURSDAY...
SKY/WEATHER.........PARTLY CLOUDY (40-50 PERCENT).
MAX TEMPERATURE.....AROUND 70.
MIN HUMIDITY........11-16 PERCENT.
WIND (20 FT)........UPSLOPE/UPVALLEY 4-8 MPH BECOMING SOUTHWEST 8
                    TO 12 MPH AROUND 1400. GUSTS TO 25 MPH.
RIDGE TOP WINDS.....SOUTH SOUTHWEST 10 TO 15 MPH BECOMING SOUTHWEST
                    AROUND 15-20 MPH BY 1400. GUSTS TO 30 MPH.
LAL.................1.
CWR.................ZERO PERCENT.
HAINES INDEX........5 OR MODERATE POTENTIAL FOR LARGE PLUME
                    DOMINATED FIRE GROWTH.
MIXING HEIGHT.......4000 FT AGL INCREASING TO 9000 FT
                    AGL IN THE AFTERNOON.
TRANSPORT WINDS.....SOUTH SOUTHWEST 10 TO 20 MPH BECOMING SOUTHWEST
                    AROUND 20 MPH IN THE AFTERNOON.
SMOKE DISPERSAL.....FAIR (48600 KNOT-FT) INCREASING TO EXCELLENT
                    (162000 KNOT-FT) IN THE AFTERNOON.

.FORECAST DAYS 3 THROUGH 5...
.THURSDAY NIGHT...PARTLY CLOUDY. LOWS IN THE LOWER 40S. WEST
WINDS AROUND 10 MPH.
.FRIDAY...COOLER. PARTLY CLOUDY WITH SLIGHT CHANCE OF SHOWERS AND
THUNDERSTORMS. LOWS IN THE UPPER 30S. HIGHS IN THE MID 60S. WEST WINDS
10-15 MPH. GUSTS TO 30 MPH.
.SATURDAY...PARTLY CLOUDY WITH SLIGHT CHANCE OF SHOWERS AND
THUNDERSTORMS. LOWS IN THE UPPER 30S. HIGHS IN THE LOWER 60S.
WEST WINDS AROUND 11 MPH.
.SUNDAY...MOSTLY CLEAR. LOWS IN THE LOWER 40S. HIGHS IN THE UPPER
60S. WINDS GENERALLY LESS THAN 10 MPH.

$$

FORECASTER...MURRELL
REQUESTED BY...RICHARD PUTNAM
REASON FOR REQUEST...PRESCRIBED
.TAG 20100622.REDCA.02/RIW