FNUS75 KRIW 252314
FWSRIW

SPOT FORECAST FOR INCIDENT  2...BLM CAD
NATIONAL WEATHER SERVICE RIVERTON WY
514 PM MDT MON JUN 25 2012

FORECAST IS BASED ON REQUEST TIME OF 1638 MDT ON JUNE 25.
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER
SERVICE.

...RED FLAG WARNING IN EFFECT UNTIL 9 PM MDT TUESDAY...

.DISCUSSION...A RED FLAG WARNING REMAINS IN EFFECT UNTIL 9 PM MDT TUESDAY
FOR DRY THUNDERSTORMS...LOW HUMIDITY...STRONG WIND AND A HAINES
INDEX OF 6. AN UPPER LEVEL DISTURBANCE WAS LIFTING NORTH ACROSS
CENTRAL WYOMING WITH THE MAIN LINE OF THUNDERSTORMS NOW EAST OF
GILLETTE. AN AREA OF MUCH WEAKER...MAINLY DISSIPATING CONVECTION
WILL PUSH ACROSS THE BIG HORN MOUNTAINS OVER THE FIRE AREA THROUGH
AROUND 9 PM. THE MAIN HAZARD WITH THESE WEAKER CELLS WILL BE STRONG
DOWNDRAFTS AND ERRATIC WIND GUSTS OVER 50 MPH. LIGHTNING ACTIVITY
HAS BEEN VERY ISOLATED WITH THESE UPSTREAM CELLS. CONVECTIVELY DRIVEN
WINDS WILL DOMINATE THROUGH THE EVENING WITH A SOUTHERLY FLOW PREVAILING
OVERNIGHT. A VERY DRY AND HOT AND WINDY SOUTHWEST FLOW WILL
PRECEDE AN APPROACHING COLD FRONT ON TUESDAY. THE FRONT WILL PUSH
THROUGH THE AREA TUESDAY EVENING WITH A SHARP WIND SHIFT FROM THE
NORTH.


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

FORECASTER...MEUNIER

.TONIGHT...
SKY/WEATHER.........PARTLY CLOUDY (40-50 PERCENT). ISOLATED SHOWERS
                    AND DRY THUNDERSTORMS UNTIL 9 PM.
MIN TEMPERATURE.....69-72.
MAX HUMIDITY........43-46 PERCENT.
20 FOOT WINDS.......ERRATIC CONVECTIVELY DRIVEN WINDS WILL DOMINATE THROUGH
                    8 PM WITH WIND GUSTS OF 40 TO 50 MPH POSSIBLE.  WINDS
                    BECOMING SOUTH 5 TO 10 MPH LATE EVENING AND OVERNIGHT.
RIDGE TOP WINDS.....WEST AROUND 10 MPH SHIFTING THE SOUTH LATE EVENING
                    AND OVERNIGHT.
LAL.................2 UNTIL 2100...THEN 1.
CHC OF WETTING RAIN.ZERO PERCENT.
HAINES INDEX........5 OR MODERATE POTENTIAL FOR LARGE PLUME
                    DOMINATED FIRE GROWTH.

.TUESDAY...
SKY/WEATHER.........MOSTLY SUNNY (25-35 PERCENT) THEN BECOMING
                    PARTLY CLOUDY (25-35 PERCENT).
MAX TEMPERATURE.....AROUND 100.
MIN HUMIDITY........7-10 PERCENT.
20 FOOT WINDS.......UPSLOPE/UPVALLEY 5-9 MPH BECOMING SOUTHWEST 15
                    TO 20 MPH WITH GUSTS TO AROUND 30 MPH IN THE
                    AFTERNOON.
RIDGE TOP WINDS.....SOUTHWEST AROUND 15 MPH INCREASING TO AROUND 25
                    MPH IN THE AFTERNOON.
LAL.................1.
CHC OF WETTING RAIN.ZERO PERCENT.
HAINES INDEX........4 OR LOW POTENTIAL FOR LARGE PLUME DOMINATED
                    FIRE GROWTH.

.FORECAST DAYS 3 THROUGH 5...
.TUESDAY NIGHT...COOLER. PARTLY CLOUDY. LOWS IN THE UPPER 50S.
NORTHWEST WINDS 10 TO 15 MPH.

.WEDNESDAY...NOT AS WARM. MOSTLY CLEAR. LOWS IN THE MID 50S.
HIGHS IN THE MID 80S. WINDS GENERALLY LESS THAN 10 MPH.

.THURSDAY...MOSTLY CLEAR. LOWS IN THE UPPER 50S. HIGHS IN THE
UPPER 80S. WINDS GENERALLY LESS THAN 10 MPH.

.FRIDAY...MOSTLY CLEAR. LOWS IN THE UPPER 50S. HIGHS IN THE LOWER
90S. WINDS GENERALLY LESS THAN 10 MPH.

.SATURDAY...MOSTLY CLEAR. LOWS AROUND 60. HIGHS IN THE LOWER 90S.
WINDS GENERALLY LESS THAN 10 MPH.

$$

FORECASTER...MEUNIER
REQUESTED BY...POTTER
REASON FOR REQUEST...WILDFIRE
.TAG 20120625.INCID.01/RIW