FNUS75 KRIW 071202
FWSRIW

SPOT FORECAST FOR PILGRIM CRK...TETON INTERAGENCY DISPATCH CENTER
NATIONAL WEATHER SERVICE RIVERTON WY
602 AM MDT SAT AUG 7 2010

FORECAST IS BASED ON REQUEST TIME OF 2039 MDT ON AUGUST 06.
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER
SERVICE.

.DISCUSSION...THE WEATHER PATTERN WILL NOT CHANGE MUCH TODAY
THROUGH SUNDAY AND MONDAY. A MOIST SOUTHWEST FLOW ALOFT WITH
A DAILY CHANCE OF AFTERNOON AND EVENING SHOWERS AND STORMS.
THERE WILL BE PLENTY OF DRY HOURS BETWEEN ROUNDS OF SHOWERS
AND STORMS. THE WIND GUSTS AND LIGHTNING WILL BE THE MAIN
THREATS. A BURST OF HEAVY RAIN MAY OCCUR IF A STRONG STORM
WERE TO MOVE OVER THE BURN AREA.

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

FORECASTER...AR

.TODAY...
SKY/WEATHER.........PARTLY CLOUDY. SLIGHT CHANCE OF SHOWERS
                    AND THUNDERSTORMS IN THE AFTERNOON.
MAX TEMPERATURE.....73 TO 78.
MIN HUMIDITY........22 TO 28 PERCENT.
WIND (20 FT)........VARIABLE AT 3 TO 5 MPH THROUGH NOON.  THEN
                    SOUTH TO SOUTHWEST AT 5 TO 10 MPH. GUSTY
                    AND ERRATIC WINDS TO 30 MPH EXPECTED NEAR
                    THUNDERSTORMS.
RIDGE TOP WINDS.....VARIABLE AT 4 TO 8 MPH THROUGH NOON. THEN
                    SOUTH TO SOUTHWEST AT 10 TO 15 MPH.
                    ERRATIC WIND GUSTS TO 30 MPH NEAR STORMS.
LAL.................1 UNTIL 1200...THEN 2.
CWR.................5 PERCENT.
HAINES INDEX........6 OR HIGH POTENTIAL FOR LARGE PLUME DOMINATED
                    FIRE GROWTH.
MIXING HEIGHT.......INCREASING TO 8500-9000 FT AGL IN THE AFTERNOON.
TRANSPORT WINDS.....VARIABLE AT 5 MPH IN THE MORNING.
                    THEN SOUTHWEST AT 20 MPH IN THE AFTERNOON.
SMOKE DISPERSAL.....POOR...BECOMING FAIR BY 1100...THEN INCREASING
                    TO EXCELLENT BY 1400.

.TONIGHT...
SKY/WEATHER.........PARTLY CLOUDY. SLIGHT CHANCE OF SHOWERS AND
                    THUNDERSTORMS.
MIN TEMPERATURE.....42-47.
MAX HUMIDITY........AROUND 90 PERCENT.
WIND (20 FT)........SOUTH TO SOUTHWEST AT 5 TO 10 MPH UNTIL 8 PM.
                    THEN SOUTH AT 3 TO 6 MPH AFTER 8 PM.
                    GUSTY AND ERRATIC WINDS TO 30 MPH EXPECTED NEAR
                    THUNDERSTORMS.
RIDGE TOP WINDS.....SOUTH TO SOUTHWEST AT 10 TO 15 MPH UNTIL 8 PM.
                    THEN SOUTH WIND AT 5 TO 10 MPH AFTER 8 PM.
                    GUSTY AND ERRATIC WINDS TO 30 MPH NEAR STORMS.
LAL.................2.
CWR.................7 PERCENT.
HAINES INDEX........6 OR HIGH POTENTIAL FOR LARGE PLUME DOMINATED
                    FIRE GROWTH.
MIXING HEIGHT.......DECREASING TO 900 FT AGL AFTER MIDNIGHT.
TRANSPORT WINDS.....SOUTHWEST AROUND 20 MPH UNTIL 8 PM...THEN
                    SOUTH AT 10 MPH BY 2300.
SMOKE DISPERSAL.....VERY GOOD UNTIL SUNSET...THEN DECREASING TO POOR
                    BY MIDNIGHT.

.SUNDAY...
SKY/WEATHER.........PARTLY CLOUDY. CHANCE OF SHOWERS AND THUNDERSTORMS
                    IN THE AFTERNOON.
MAX TEMPERATURE.....74 TO 79.
MIN HUMIDITY........20 TO 25 PERCENT.
WIND (20 FT)........VARIABLE AT 3 TO 5 MPH THROUGH NOON.  THEN
                    SOUTH TO SOUTHWEST AT 5 TO 10 MPH. GUSTY
                    AND ERRATIC WINDS TO 30 MPH EXPECTED NEAR
                    THUNDERSTORMS.
RIDGE TOP WINDS.....VARIABLE AT 4 TO 8 MPH THROUGH NOON. THEN
                    SOUTH TO SOUTHWEST AT 10 TO 15 MPH.
                    ERRATIC WIND GUSTS TO 30 MPH NEAR STORMS.
LAL.................1 UNTIL 1200...THEN 4.
CWR.................8 PERCENT.
HAINES INDEX........5 OR MODERATE POTENTIAL FOR LARGE PLUME
                    DOMINATED FIRE GROWTH.
MIXING HEIGHT.......INCREASING TO 8500-9000 FT AGL IN THE AFTERNOON.
TRANSPORT WINDS.....VARIABLE AT 5 MPH UNTIL NOON.
                    THEN SOUTH TO SOUTHWEST AROUND 10 MPH.
SMOKE DISPERSAL.....POOR...INCREASING TO FAIR BY 1200...INCREASING
                    TO GOOD BY 1500.

.FORECAST DAYS 3 THROUGH 5...

.SUNDAY NIGHT...PARTLY CLOUDY. SLIGHT CHANCE OF SHOWERS AND
THUNDERSTORMS. LOWS IN THE MID 40S. WINDS GENERALLY LESS THAN
10 MPH.

.MONDAY...PARTLY CLOUDY WITH CHANCE OF SHOWERS AND THUNDERSTORMS.
HIGHS IN THE MID 70S. WINDS GENERALLY LESS THAN 10 MPH.

.TUESDAY...PARTLY CLOUDY WITH SLIGHT CHANCE OF SHOWERS AND
THUNDERSTORMS. LOWS IN THE MID 40S. HIGHS IN THE UPPER 70S. WINDS
GENERALLY LESS THAN 10 MPH.

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

$$

FORECASTER...ROSS
REQUESTED BY...WHITE
REASON FOR REQUEST...WILDFIRE
.TAG 20100806.PILGR.02/RIW