FNUS75 KRIW 302221
FWSRIW

SPOT FORECAST FOR EMMA MATILDA...USFS BTF
NATIONAL WEATHER SERVICE RIVERTON WY
421 PM MDT MON JUL 30 2012

FORECAST IS BASED ON REQUEST TIME OF 1601 MDT ON JULY 30.
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER
SERVICE.

.DISCUSSION...

WIDELY SCATTERED SHOWERS CURRENTLY IMPACTING THE WESTERN MOUNTAINS
THIS AFTERNOON. THESE STORMS ARE ANTICIPATED TO CONTINUE THROUGH
THE EVENING HOURS. SOME SHOWER ACTIVITY MAY MOVE INTO THE JACKSON
VALLEY...POTENTIALLY IMPACTING THE FIRE. GUSTY WIND TO 40 MPH AND
LIGHTNING WILL BE THE PRIMARY THREATS WITH ANY STORM ACTIVITY THIS
EVENING. DRY CONDITIONS GENERALLY EXPECTED AFTER MIDNIGHT...AS THE
ATMOSPHERE STABILIZES. ANOTHER SURGE OF MOISTURE WILL IMPACT THE
WESTERN MOUNTAINS ON TUESDAY. SHOWER ACTIVITY IS NOT ANTICIPATED
TO MOVE INTO THE JACKSON VALLEY AT THIS TIME. HOWEVER...STORM
ACTIVITY WILL BE OVER THE MOUNTAINS NEARBY...WHICH MAY SEND SOME
GUSTY WIND OVER THE FIRE. AGAIN...STORM ACTIVITY IS ANTICIPATED TO
RELAX WITH THE LOSS OF DAYLIGHT. A DRIER...WESTERLY FLOW IS
ANTICIPATED OVER THE FIRE LATER IN THE WEEK...WHICH SHOULD PROMOTE
DRY CONDITIONS OVER THE FIRE.

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

FORECASTER...BRANHAM

.TONIGHT...
SKY/WEATHER.........PARTLY CLOUDY (30-40 PERCENT) THEN BECOMING
                    CLEAR (5-15 PERCENT) AFTER 2300.
MIN TEMPERATURE.....46-49.
MAX HUMIDITY........65-68 PERCENT.
20 FOOT WINDS.......LIGHT AND VARIABLE...GENERALLY LESS THAN
                    10 MPH.
RIDGE TOP WINDS.....NORTHWEST 5 TO 10 MPH SHIFTING TO THE EAST
                    BY 0200.
LAL.................1.
CHC OF WETTING RAIN.ZERO PERCENT.
HAINES INDEX........6 OR HIGH POTENTIAL FOR LARGE PLUME DOMINATED
                    FIRE GROWTH.

.TUESDAY...
SKY/WEATHER.........SUNNY (0-10 PERCENT) THEN BECOMING PARTLY
                    CLOUDY (35-45 PERCENT) AFTER 1100. ISOLATED
                    SHOWERS AND THUNDERSTORMS AFTER 1200.
MAX TEMPERATURE.....81-85.
MIN HUMIDITY........22-25 PERCENT.
20 FOOT WINDS.......LIGHT AND VARIABLE UNTIL AROUND 1400...THEN
                    BECOMING WEST AT 7 TO 10 MPH. GUSTY AND
                    ERRATIC WINDS EXPECTED NEAR THUNDERSTORMS
                    AFTER 1300.
RIDGE TOP WINDS.....LIGHT AND VARIABLE UNDER 7 MPH UNTIL AROUND
                    1500...THEN WEST AT 10 TO 15 MPH.
LAL.................1 UNTIL 1200...THEN 2.
CHC OF WETTING RAIN.LESS THAN 5 PERCENT.
HAINES INDEX........5 OR MODERATE POTENTIAL FOR LARGE PLUME
                    DOMINATED FIRE GROWTH.

.TUESDAY NIGHT...
SKY/WEATHER.........PARTLY CLOUDY (30-40 PERCENT).
MIN TEMPERATURE.....46-49.
MAX HUMIDITY........68-72 PERCENT.
20 FOOT WINDS.......WEST AROUND 10 MPH...THEN BECOMING LIGHT AND
                    VARIABLE AT LESS THAN 8 MPH AFTER 2100.
RIDGE TOP WINDS.....WEST 8 TO 12 MPH...BECOMING LIGHT AND VARIABLE
                    AT LESS THAN 8 MPH BY 0100.
LAL.................1.
CHC OF WETTING RAIN.ZERO PERCENT.
HAINES INDEX........5 OR MODERATE POTENTIAL FOR LARGE PLUME
                    DOMINATED FIRE GROWTH.


.FORECAST DAYS 3 THROUGH 5...

.WEDNESDAY...MOSTLY CLEAR. SLIGHT CHANCE OF SHOWERS AND
THUNDERSTORMS. LOWS IN THE MID 40S. HIGHS IN THE LOWER 80S. WINDS
GENERALLY LESS THAN 10 MPH.

.THURSDAY...MOSTLY CLEAR. LOWS IN THE MID 40S. HIGHS IN THE UPPER
70S. WINDS GENERALLY LESS THAN 10 MPH.

.FRIDAY...MOSTLY CLEAR. LOWS IN THE LOWER 40S. HIGHS IN THE UPPER
70S. WINDS GENERALLY LESS THAN 10 MPH.

.SATURDAY...MOSTLY CLEAR. LOWS IN THE MID 40S. HIGHS IN THE UPPER
70S. WINDS GENERALLY LESS THAN 10 MPH.

$$

FORECASTER...BRANHAM
REQUESTED BY...FEMO
REASON FOR REQUEST...WILDFIRE
.TAG 20120730.EMMAM.01/RIW