FNUS75 KRIW 181523
FWSRIW

SPOT FORECAST FOR COLD SPRINGS...IA CDC
NATIONAL WEATHER SERVICE RIVERTON WY
923 AM MDT MON JUL 18 2011

FORECAST IS BASED ON REQUEST TIME OF 0855 MDT ON JULY 18.
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER
SERVICE.

.DISCUSSION...MOIST SOUTH SOUTHWEST FLOW WILL CONTINUE MONDAY AND
TUESDAY OVER THE FIRE AREA...KEEPING A CHANCE OF SHOWERS AND
THUNDERSTORMS IN THE FORECAST. STORMS OVER THE BIG HORN BASIN THIS
AFTERNOON ARE LIKELY TO PRODUCE GUSTY OUTFLOWS FROM THE
WEST...JUST LIKE LAST NIGHTS STORMS CREATED STRONG WINDS FROM THE
EAST. CONTINUING WITH VERY WARM TEMPS...AND MODERATED HUMIDITY
VALUES UNDER THE CLOUD COVER. ANOTHER SYSTEM TO CLIP NORTHERN
WYOMING TUESDAY EVENING WITH DRIER AIR MOVING IN WEDNESDAY.


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

FORECASTER...MCDONALD

.TODAY...
SKY/WEATHER.........PARTLY CLOUDY (50-70 PERCENT). SLIGHT CHANCE
                    OF SHOWERS UNTIL 1200...THEN
                    SCATTERED SHOWERS AND THUNDERSTORMS FOR
                    THE REST OF THE AFTERNOON.
MAX TEMPERATURE.....90-95.
MIN HUMIDITY........15-20 PERCENT.
20 FOOT WINDS.......UPSLOPE/UPVALLEY 5-9 MPH...BECOMING SOUTH
                    AROUND 10 TO 12 MPH AFTER 1400. GUSTY AND
                    ERRATIC WINDS EXPECTED NEAR THUNDERSTORMS
                    LATE IN THE AFTERNOON.
RIDGE TOP WINDS.....SOUTH AROUND 12 TO 15 MPH SHIFTING TO THE
                    WEST LATE IN THE AFTERNOON.
LAL.................1 UNTIL 1200...THEN 4.
CHC OF WETTING RAIN.10 PERCENT.
HAINES INDEX........4 OR LOW POTENTIAL FOR LARGE PLUME DOMINATED
                    FIRE GROWTH.

.TONIGHT...
SKY/WEATHER.........MOSTLY CLOUDY (60-80 PERCENT) WITH SCATTERED
                    SHOWERS AND THUNDERSTORMS IN THE EVENING. THEN
                    BECOMING PARTLY CLOUDY (40-50 PERCENT) WITH
                    ISOLATED SHOWERS AND THUNDERSTORMS AFTER
                    MIDNIGHT.
MIN TEMPERATURE.....65-70.
MAX HUMIDITY........AROUND 45 PERCENT.
20 FOOT WINDS.......DOWNSLOPE/DOWNVALLEY 4-7 MPH. GUSTY AND ERRATIC
                    WINDS EXPECTED NEAR THUNDERSTORMS IN THE EVENING
                    HOURS.
RIDGE TOP WINDS.....WEST AROUND 12 TO 15 MPH SHIFTING TO THE
                    EAST IN THE LATE EVENING AND OVERNIGHT AND
                    DECREASING TO AROUND 8 MPH.
LAL.................4 UNTIL 2400...THEN 2.
CHC OF WETTING RAIN.10 PERCENT.
HAINES INDEX........4 OR LOW POTENTIAL FOR LARGE PLUME DOMINATED
                    FIRE GROWTH.

$$

FORECASTER...MCDONALD
REQUESTED BY...CDC
REASON FOR REQUEST...WILDFIRE
.TAG 20110718.COLDS.01/RIW