FNUS75 KRIW 220349
FWSRIW

SPOT FORECAST FOR CRESTON WILDFIRE...BLM
NATIONAL WEATHER SERVICE RIVERTON WY
949 PM MDT MON MAY 21 2012

FORECAST IS BASED ON REQUEST TIME OF 2125 MDT ON MAY 21.
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER
SERVICE.

.DISCUSSION...DRY WEATHER TONIGHT AND TUESDAY. ISOLATED SHOWERS ARE
POSSIBLE TUESDAY NIGHT AFTER MIDNIGHT. THE MAJOR ISSUE WILL BE THE
WIND THAT DEVELOPS ON TUESDAY MORNING AHEAD OF A COLD FRONT WHICH
WILL PASS THROUGH THE AREA AFTER 1800. A GUSTY WEST TO SOUTHWEST WIND
WILL DEVELOP AFTER 0900 TUESDAY MORNING AND CONTINUE THROUGH 2000.
IT WILL BE WARM WITH VERY LOW RELATIVE HUMIDITY AS WELL ON TUESDAY.
AFTER THE FRONT PASSES TEMPERATURES WILL BE COOLER WITH RISING
RELATIVE HUMIDITY. HOWEVER...THE WIND WILL WILL NOT DECREASE UNTIL
AROUND MIDNIGHT TUESDAY EVENING.

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

FORECASTER...AR

.REST OF TONIGHT...
SKY/WEATHER.........MOSTLY CLEAR.
MIN TEMPERATURE.....49-52.
MAX HUMIDITY........35-40 PERCENT.
20 FOOT WINDS.......WEST TO SOUTHWEST AT 3 TO 6 MPH.
LAL.................1.
CHC OF WETTING RAIN.ZERO PERCENT.
HAINES INDEX........5 OR MODERATE POTENTIAL FOR LARGE PLUME
                    DOMINATED FIRE GROWTH.
MIXING HEIGHT.......1000-1500 FT AGL.
TRANSPORT WINDS.....WEST TO SOUTHWEST AT 5 TO 10 MPH.
SMOKE DISPERSAL.....POOR.

.TUESDAY...
SKY/WEATHER.........PARTLY CLOUDY.
MAX TEMPERATURE.....75-80.
MIN HUMIDITY........10-14 PERCENT.
20 FOOT WINDS.......WEST TO SOUTHWEST AT 5 TO 10 MPH UNTIL 0900.
                    THEN WEST TO SOUTHWEST WIND INCREASING TO 18 TO 25 MPH
                    WITH GUSTS FROM 30 TO 35 MPH AFTER 0900.
                    WEST WIND OF 25 TO 30 MPH WITH GUSTS TO 45 MPH
                    AFTER 1200.
LAL.................1.
CHC OF WETTING RAIN.ZERO PERCENT.
HAINES INDEX........5 OR MODERATE POTENTIAL FOR LARGE PLUME
                    DOMINATED FIRE GROWTH.
MIXING HEIGHT.......INCREASING TO 8500-9000 FT AGL IN THE AFTERNOON.
TRANSPORT WINDS.....WEST TO SOUTHWEST AT 25 TO 30 MPH.
SMOKE DISPERSAL.....BECOMING VERY GOOD BY NOON...THEN EXCELLENT
                    IN THE AFTERNOON.

.TUESDAY NIGHT...
SKY/WEATHER.........PARTLY CLOUDY.
MIN TEMPERATURE.....40-45.
MAX HUMIDITY........65-70 PERCENT.
20 FOOT WINDS.......WEST WINDS 20 TO 25 MPH WITH GUSTS TO 35 MPH
                    UNTIL 2100...THEN DECREASING TO 10 TO 15 MPH
                    BY MIDNIGHT.
LAL.................1.
CHC OF WETTING RAIN.ZERO PERCENT.
HAINES INDEX........3 OR VERY LOW POTENTIAL FOR LARGE PLUME
                    DOMINATED FIRE GROWTH.
MIXING HEIGHT.......DECREASING TO 2000 FT AGL AFTER MIDNIGHT.
TRANSPORT WINDS.....WEST AT 25 MPH UNTIL 2100...THEN DECREASING TO
                    10 TO 15 MPH BY MIDNIGHT.
SMOKE DISPERSAL.....EXCELLENT...DECREASING TO FAIR BY MIDNIGHT.


.FORECAST DAYS 3 THROUGH 5...

.WEDNESDAY...MUCH COOLER. PARTLY CLOUDY. CHANCE OF SHOWERS AND
ISOLATED THUNDERSTORMS. LOWS IN THE MID 30S. HIGHS IN THE UPPER
50S. WEST WINDS AROUND 13 MPH.

.THURSDAY...PARTLY CLOUDY. SLIGHT CHANCE OF SHOWERS AND ISOLATED
THUNDERSTORMS. LOWS IN THE MID 30S. HIGHS IN THE LOWER 50S. WINDS
GENERALLY LESS THAN 10 MPH.

.FRIDAY...WARMER. PARTLY CLOUDY WITH SLIGHT CHANCE OF SHOWERS AND
ISOLATED THUNDERSTORMS. LOWS IN THE MID 40S. HIGHS IN THE UPPER
60S. WINDS GENERALLY LESS THAN 10 MPH.

.SATURDAY...PARTLY CLOUDY. LOWS IN THE UPPER 30S. HIGHS IN THE
MID 60S. SOUTHWEST WINDS AROUND 18 MPH.

$$

FORECASTER...ROSS
REQUESTED BY...ZACH HARTSHORN
REASON FOR REQUEST...WILDFIRE
.TAG 20120521.CREST.01/RIW