FNUS75 KRIW 191623
FWSRIW

SPOT FORECAST FOR CRANDALL PILES RX...IA CDC
NATIONAL WEATHER SERVICE RIVERTON WY
1023 AM MDT THU MAY 19 2011

FORECAST IS BASED ON IGNITION TIME OF 1200 MDT ON MAY 19.
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER
SERVICE.

...WINTER STORM WARNING IN EFFECT UNTIL NOON MDT FRIDAY...

.DISCUSSION...
A LARGE UPPER LEVEL LOW PRESSURE SYSTEM IN COLORADO WILL WRAP
MOISTURE AROUND ITS NORTH AND WEST SIDES THROUGH FRIDAY. THIS WILL
BRING WIDESPREAD SNOW TO THE FIRE SITE BEGINNING THIS EVENING AND
CONTINUING THROUGH FRIDAY.


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

FORECASTER...JONES

.TODAY...
SKY/WEATHER.........CLOUDY WITH SCATTERED RAIN AND SNOW
                    SHOWERS THIS AFTERNOON...CHANGING TO
                    ALL SNOW BY 1700.
MAX TEMPERATURE.....AROUND 40.
MIN HUMIDITY........AROUND 60 PERCENT.
20 FOOT WINDS.......EAST 9 TO 13 MPH.
RIDGE TOP WINDS.....NORTHEAST 10 TO 15 MPH.
LAL.................1.
CHC OF WETTING RAIN.70 PERCENT.
HAINES INDEX........2 OR VERY LOW POTENTIAL FOR LARGE PLUME
                    DOMINATED FIRE GROWTH.
MIXING HEIGHT.......2000-3000 FT AGL.
TRANSPORT WINDS.....NORTHEAST 15 TO 25 MPH.
SMOKE DISPERSAL.....FAIR.

.TONIGHT...
SKY/WEATHER.........CLOUDY WITH SNOW.
MIN TEMPERATURE.....26-29.
MAX HUMIDITY........92-95 PERCENT.
20 FOOT WINDS.......NORTHEAST 5 TO 8 MPH.
RIDGE TOP WINDS.....NORTHEAST 10 TO 15 MPH.
LAL.................1.
CHC OF WETTING RAIN.90 PERCENT.
HAINES INDEX........2 OR VERY LOW POTENTIAL FOR LARGE PLUME
                    DOMINATED FIRE GROWTH.
MIXING HEIGHT.......LESS THAN 2000 FT AGL.
TRANSPORT WINDS.....NORTHEAST AROUND 15 MPH.
SMOKE DISPERSAL.....POOR.

.FRIDAY...
SKY/WEATHER.........CLOUDY. RAIN AND SNOW IN THE MORNING...THEN
                    NUMEROUS RAIN AND SNOW SHOWERS IN THE
                    AFTERNOON.
MAX TEMPERATURE.....45 TO 50.
MIN HUMIDITY........AROUND 60 PERCENT.
20 FOOT WINDS.......NORTHEAST 5 TO 10 MPH.
RIDGE TOP WINDS.....NORTH AROUND 15 MPH.
LAL.................1.
CHC OF WETTING RAIN.85 PERCENT.
HAINES INDEX........2 OR VERY LOW POTENTIAL FOR LARGE PLUME
                    DOMINATED FIRE GROWTH.
MIXING HEIGHT.......2000-3000 FT AGL.
TRANSPORT WINDS.....NORTH 10 TO 20 MPH.
SMOKE DISPERSAL.....FAIR.

.FORECAST DAYS 3 THROUGH 5...
.FRIDAY NIGHT...NUMEROUS SHOWERS IN THE EVENING...THEN NUMEROUS
SHOWERS AND SNOW SHOWERS AFTER MIDNIGHT. LOWS IN THE MID 30S.
WEST WINDS AROUND 10 MPH.
.SATURDAY...MOSTLY CLOUDY. NUMEROUS SHOWERS AND SCATTERED SNOW
SHOWERS. LOWS IN THE MID 30S. HIGHS IN THE MID 50S. WINDS
GENERALLY LESS THAN 10 MPH.
.SUNDAY...MOSTLY CLOUDY WITH CHANCE OF SHOWERS...SNOW SHOWERS AND
ISOLATED THUNDERSTORMS. LOWS IN THE MID 30S. HIGHS IN THE UPPER
50S. WINDS GENERALLY LESS THAN 10 MPH.
.MONDAY...CLOUDY WITH CHANCE OF SHOWERS AND SNOW SHOWERS. LOWS IN
THE MID 30S. HIGHS IN THE MID 50S. WINDS GENERALLY LESS THAN
10 MPH.

$$

FORECASTER...JONES
REQUESTED BY...TRAVIS BRATEN
REASON FOR REQUEST...PRESCRIBED
.TAG 20110519.CRAND.01/RIW