FNUS75 KRIW 102348
FWSRIW

SPOT FORECAST FOR DEEP WELL FIRE...USFS SHF
NATIONAL WEATHER SERVICE RIVERTON WY
548 PM MDT THU SEP 10 2009

FORECAST IS BASED ON REQUEST TIME OF 1711 MDT ON SEPTEMBER 10.
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER
SERVICE.

.DISCUSSION...
A DRY COLD FRONT WILL MOVE ACROSS THE FIRE SITE THIS EVENING. THIS
WILL RESULT IN BREEZY NORTH WINDS FOR MOST OF THE NIGHT WITH
STRONGEST WINDS EXPECTED BETWEEN 9 PM AND 3 AM. LIGHTER WINDS WILL
RETURN ON FRIDAY...WITH COOLER TEMPERATURES AND HIGHER HUMIDITY.
EVEN COOLER TEMPERATURES ARE EXPECTED ON SATURDAY...AS AN UPPER
LOW RETROGRADES FROM THE NORTHERN PLAINS INTO THE COWBOY STATE.
THE FIRE SITE WILL HAVE A CHANCE OF PRECIPITATION WITH THIS SYSTEM
FRIDAY NIGHT THROUGH SUNDAY...WITH THE BEST CHANCE SATURDAY AND
SATURDAY NIGHT.

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

FORECASTER...MURRELL

.TONIGHT...
SKY/WEATHER.........MOSTLY CLEAR...BECOMING PARTLY CLOUDY BY 2200.
MIN TEMPERATURE.....43-48.
MAX HUMIDITY........54-58 PERCENT.
20 FOOT WINDS.......LIGHT WINDS...BECOMING NORTH NORTHEAST 8 TO 12
                    MPH WITH GUSTS UP TO 25 MPH...BETWEEN 1900 AND
                    2100...DECREASING TO 5 TO 10 MPH AFTER 0400.
RIDGE TOP WINDS.....BECOMING NORTH 15 TO 20 MPH...GUSTS TO 30 MPH.

.FRIDAY...
SKY/WEATHER.........PARTLY CLOUDY (50-60 PERCENT).
MAX TEMPERATURE.....60-65.
MIN HUMIDITY........30-35 PERCENT.
20 FOOT WINDS.......UPSLOPE 4-8 MPH...BECOMING NORTHEAST 5 T0 10 MPH
                    IN THE AFTERNOON
RIDGE TOP WINDS.....NORTH AROUND 10 MPH.

.FORECAST DAYS 3 THROUGH 5...
.FRIDAY NIGHT...MOSTLY CLOUDY. SLIGHT CHANCE OF RAIN AFTER
MIDNIGHT. LOWS IN THE LOWER 40S. WINDS GENERALLY LESS THAN
10 MPH.
.SATURDAY...COOLER. CLOUDY WITH CHANCE OF SHOWERS...AND SLIGHT
CHANCE OF THUNDERSTORMS. LOWS AROUND 35. HIGHS AROUND 50.
WINDS GENERALLY LESS THAN 10 MPH.
.SUNDAY...WARMER. PARTLY CLOUDY. SLIGHT CHANCE OF SHOWERS. SLIGHT
CHANCE OF THUNDERSTORMS IN THE AFTERNOON. LOWS IN THE LOWER 50S.
HIGHS IN THE UPPER 60S. WINDS GENERALLY LESS THAN 10 MPH.
.MONDAY...PARTLY CLOUDY. LOWS IN THE LOWER 50S. HIGHS IN THE
UPPER 60S. WEST WINDS AROUND 11 MPH.
.TUESDAY...MOSTLY CLEAR. LOWS AROUND 50. HIGHS IN THE LOWER 70S.
WINDS GENERALLY LESS THAN 10 MPH.

$$

FORECASTER...MURRELL
REQUESTED BY...ROB NEIBAUER
REASON FOR REQUEST...WILDFIRE
.TAG 20090910.DEEPW.01/RIW