FNUS75 KRIW 011156
FWSRIW

SPOT FORECAST FOR SAND CREEK FIRE...BLM WOD
NATIONAL WEATHER SERVICE RIVERTON WY
556 AM MDT WED JUL 1 2009

FORECAST IS BASED ON REQUEST TIME OF 2301 MDT ON JUNE 30.
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER
SERVICE.

.DISCUSSION...AN UPPER LEVEL DISTURBANCE OVER NORTHERN UTAH EARLY THIS MORNING
WILL MOVE ACROSS THE CONTINENTAL DIVIDE INTO CENTRAL WYOMING
AROUND NOON. A BRIEF BREAK WILL OCCUR THIS MORNING BETWEEN SHOWERS
EXITING TO THE EAST AND SHOWERS AND THUNDERSTORMS AHEAD OF THIS DISTURBANCE.
THUNDERSTORMS WILL BEGIN MOVING OFF THE EAST SLOPES OF THE
MOUNTAINS INTO THE BASIN AROUND NOON. THUNDERSTORM ACTIVITY WILL
BE PRIMARILY FROM AROUND 1300 TO 1700 WITH STRONG WIND
GUSTS...FREQUENT LIGHTNING AND HEAVY RAIN THE PRIMARY HAZARDS.
WIND DIRECTION SHOULD BE PRIMARILY OUT OF THE NORTH THIS
AFTERNOON AND EVENING BUT WILL BE LARGELY INFLUENCED BY
THUNDERSTORM OUTFLOWS.


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

FORECASTER...MEUNIER

.TODAY...
SKY/WEATHER.........MOSTLY CLOUDY (70-80 PERCENT). ISOLATED SHOWERS THROUGH
                    1700.  SCATTERED THUNDERSTORMS THIS AFTERNOON...SOME STORMS
                    MAY PRODUCE HEAVY RAIN.
MAX TEMPERATURE.....82-85.
MIN HUMIDITY........25-30 PERCENT.
20 FOOT WINDS.......VARIABLE 5-9 MPH IN THE MORNING. PRIMARILY NORTH
                    10 TO 15 MPH BY NOON BUT GUSTY THUNDERSTORM OUTFLOW WINDS
                    ARE EXPECTED TO DOMINATE IN THE AFTERNOON.
RIDGE TOP WINDS.....WEST AROUND 10 MPH SHIFTING TO THE NORTH IN THE
                    LATE MORNING AND AFTERNOON.
LAL.................3 UNTIL 1500...THEN 4.
CHC OF WETTING RAIN.30 PERCENT.
HAINES INDEX........3 OR VERY LOW POTENTIAL FOR LARGE PLUME
                    DOMINATED FIRE GROWTH.

.TONIGHT...
SKY/WEATHER.........MOSTLY CLOUDY IN THE EVENING (70-80 PERCENT)...PARTLY
                    CLOUDY OVERNIGHT (30-40 PERCENT). WIDELY SCATTERED
                    SHOWERS AND THUNDERSTORMS EARLY IN THE
                    EVENING...THEN ISOLATED SHOWERS AND
                    THUNDERSTORMS AFTER 2000.
MIN TEMPERATURE.....53-56.
MAX HUMIDITY........75-80 PERCENT.
20 FOOT WINDS.......NORTH WINDS 9 TO 11 MPH UNTIL EARLY MORNING
                    BECOMING DOWNSLOPE/DOWNVALLEY 4-7 MPH. GUSTS UP
                    TO 20 MPH UNTIL EARLY MORNING. GUSTY AND
                    ERRATIC WINDS EXPECTED NEAR THUNDERSTORMS IN
                    THE EVENING.
RIDGE TOP WINDS.....NORTH NORTHWEST 15 TO 20 MPH IN THE EVENING...DECREASING
                    TO 5 TO 10 MPH AROUND MIDNIGHT.
LAL.................4 UNTIL 2100...THEN 3 UNTIL 2400...THEN 1.
CHC OF WETTING RAIN.3 PERCENT.
HAINES INDEX........3 OR VERY LOW POTENTIAL FOR LARGE PLUME
                    DOMINATED FIRE GROWTH.

$$

FORECASTER...MEUNIER
REQUESTED BY...MYLES RICHARDS
REASON FOR REQUEST...WILDFIRE
.TAG 20090630.SANDC.01/RIW