FNUS75 KRIW 240207
FWSRIW

SPOT FORECAST FOR I-90 MM 67...IA CPC
NATIONAL WEATHER SERVICE RIVERTON WY
807 PM MDT SAT JUL 23 2011

FORECAST IS BASED ON REQUEST TIME OF 1934 MDT ON JULY 23.
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER
SERVICE.

.DISCUSSION...

DRY CONDITIONS AND GENERALLY LIGHT WINDS ARE EXPECTED TONIGHT AND
SUNDAY. THE SOUTH WINDS REPORTED AT THE FIRE SITE THIS EVENING ARE
EXPECTED TO BECOME EAST NORTHEAST FOR THE REMAINDER OF THE
EVENING. HOWEVER...THE WINDS ARE EXPECTED TO SHIFT BACK SOUTH TO
SOUTHEAST AFTER MIDNIGHT. SLIGHTLY WARMER TEMPERATURES...AND
LOWER AFTERNOON RH IS EXPECTED SUNDAY. THE VARIABLE TO LIGHT
SOUTH/SOUTHEAST WINDS IN THE MORNING ARE EXPECTED TO SHIFT TO THE
NORTHEAST AROUND NOON SUNDAY.

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

FORECASTER...MURRELL

.REST OF TONIGHT...
SKY/WEATHER.........CLEAR (0-10 PERCENT).
MIN TEMPERATURE.....58-62.
MAX HUMIDITY........AROUND 70 PERCENT.
20 FOOT WINDS.......BECOMING EAST NORTHEAST 5-10 MPH BY 2100
                    THEN SHIFTING TO THE SOUTH 4-7 MPH BETWEEN
                    0200 AND 0400. GUSTS TO 15 MPH.
RIDGE TOP WINDS.....EAST AROUND 10 MPH SHIFTING TO THE
                    SOUTH AFTER MIDNIGHT.
LAL.................1.
CHC OF WETTING RAIN.ZERO PERCENT.
HAINES INDEX........3 OR VERY LOW POTENTIAL FOR LARGE PLUME
                    DOMINATED FIRE GROWTH.
MIXING HEIGHT.......DECREASING TO 800 FT AGL BY MIDNIGHT.
TRANSPORT WINDS.....EAST AROUND 10 MPH SHIFTING TO THE
                    SOUTH AFTER MIDNIGHT.
SMOKE DISPERSAL.....BECOMING POOR (25500 KNOT-FT).

.SUNDAY...
SKY/WEATHER.........SUNNY (5-15 PERCENT).
MAX TEMPERATURE.....AROUND 90.
MIN HUMIDITY........20-25 PERCENT.
20 FOOT WINDS.......VARIABLE 3-6 MPH...BECOMING NORTHEAST 5-10
                    MPH BY AROUND NOON. GUSTS TO 15 MPH IN THE
                    AFTERNOON.
RIDGE TOP WINDS.....SOUTH AROUND 10 MPH SHIFTING TO THE NORTHEAST
                    AROUND NOON.
LAL.................1.
CHC OF WETTING RAIN.ZERO PERCENT.
HAINES INDEX........3 OR VERY LOW POTENTIAL FOR LARGE PLUME DOMINATED
                    FIRE GROWTH.
MIXING HEIGHT.......1000 FT AGL INCREASING TO 7500 FT AGL IN
                    THE AFTERNOON.
TRANSPORT WINDS.....SOUTH SOUTHWEST AROUND 10 MPH BECOMING
                    NORTHEAST 10 TO 15 MPH IN THE AFTERNOON.
SMOKE DISPERSAL.....POOR (26000 KNOT-FT) INCREASING TO GOOD
                    (80100 KNOT-FT) IN THE AFTERNOON.

.FORECAST DAYS 3 THROUGH 5...

.SUNDAY NIGHT...CLEAR. LOWS IN THE LOWER 60S. WINDS GENERALLY
LESS THAN 10 MPH.

.MONDAY...MOSTLY CLEAR. LOWS IN THE MID 60S. HIGHS IN THE MID
90S. WINDS GENERALLY LESS THAN 10 MPH.

.TUESDAY...PARTLY CLOUDY WITH SLIGHT CHANCE OF SHOWERS AND
THUNDERSTORMS. LOWS IN THE LOWER 60S. HIGHS IN THE UPPER 80S.
WINDS GENERALLY LESS THAN 10 MPH.

.WEDNESDAY...PARTLY CLOUDY WITH SLIGHT CHANCE OF SHOWERS AND
THUNDERSTORMS. LOWS IN THE UPPER 50S. HIGHS IN THE MID 80S. WINDS
GENERALLY LESS THAN 10 MPH.

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

$$

FORECASTER...MURRELL
REQUESTED BY...MATT QUINLAN
REASON FOR REQUEST...WILDFIRE
.TAG 20110723.I90MM.01/RIW