FNUS75 KRIW 150916
FWSRIW

SPOT FORECAST FOR CATHEDRAL GROUP...USFS BTF
NATIONAL WEATHER SERVICE RIVERTON WY
316 AM MDT THU JUL 15 2010

FORECAST IS BASED ON REQUEST TIME OF 2029 MDT ON JULY 14.
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER
SERVICE.

.DISCUSSION...A WARMER AIRMASS WILL RESULT IN SLIGHTLY LOWER MINIMUM
RELATIVE HUMIDITY TODAY COMPARED TO YESTERDAY.  OTHERWISE OVERALL
WEATHER CONDITIONS WILL BE QUITE SIMILAR TO YESTERDAY...SUNNY SKIES
AND GENERALLY LIGHT UPSLOPE...UP VALLEY WIND IN THE LATE MORNING WITH
WEST TO SOUTHWEST WIND OCCASIONALLY MIXING DOWN IN THE AFTERNOON.


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

FORECASTER...MEUNIER

.TODAY...
SKY/WEATHER.........SUNNY (0-10 PERCENT).
MAX TEMPERATURE.....77-82.
MIN HUMIDITY........16-19 PERCENT.
WIND (20 FT)........UPSLOPE OR EAST SOUTHEAST 4-8 MPH IN THE MORNING BECOMING
                    WEST SOUTHWEST 5 TO 10 MPH WITH GUSTS UP TO 15 MPH FROM
                    1500 TO 1800.
RIDGE TOP WINDS.....SOUTHWEST 10 TO 15 MPH.
LAL.................1.
CWR.................ZERO PERCENT.
HAINES INDEX........4 OR LOW POTENTIAL FOR LARGE PLUME DOMINATED
                    FIRE GROWTH.
MIXING HEIGHT.......2300-3300 FT AGL INCREASING TO 5900-6900 FT AGL
                    IN THE AFTERNOON.
TRANSPORT WINDS.....SOUTHWEST 5 TO 10 MPH THIS MORNING...BECOMING
                    WEST 15 TO 20 MPH IN THE AFTERNOON.
SMOKE DISPERSAL.....POOR TO FAIR (17800-55200 KNOT-FT) THIS MORNING BECOMING
                    GOOD (90000 KNOT-FT) IN THE AFTERNOON.

.TONIGHT...
SKY/WEATHER.........CLEAR (0-10 PERCENT).
MIN TEMPERATURE.....41-44.
MAX HUMIDITY........79-82 PERCENT.
WIND (20 FT)........WEST WINDS 5 TO 10 MPH WITH GUSTS TO AROUND 15
                    MPH THROUGH 1900 BECOMING DOWNSLOPE/DOWNVALLEY 4-7 MPH
                    AFTER SUNSET.
RIDGE TOP WINDS.....WEST AROUND 15 MPH SHIFTING TO THE SOUTHWEST 5
                    TO 10 MPH AFTER MIDNIGHT.
LAL.................1.
CWR.................ZERO PERCENT.
HAINES INDEX........4 OR LOW POTENTIAL FOR LARGE PLUME DOMINATED
                    FIRE GROWTH.
MIXING HEIGHT.......3500-4500 FT AGL DECREASING TO 100-600 FT AGL
                    AFTER MIDNIGHT.
TRANSPORT WINDS.....SOUTHWEST 8 TO 16 MPH.
SMOKE DISPERSAL.....POOR TO FAIR (3200-40400 KNOT-FT).

.FRIDAY...
SKY/WEATHER.........MOSTLY SUNNY (10-20 PERCENT).
MAX TEMPERATURE.....82-85.
MIN HUMIDITY........13-16 PERCENT.
WIND (20 FT)........UPSLOPE/UPVALLEY 5-9 MPH. GUSTS UP TO 15 MPH
                    LATE IN THE AFTERNOON.
RIDGE TOP WINDS.....SOUTH 5 TO 10 MPH SHIFTING TO THE SOUTHWEST
                    AROUND 15 MPH LATE IN THE AFTERNOON.
LAL.................1.
CWR.................ZERO PERCENT.
HAINES INDEX........6 OR HIGH POTENTIAL FOR LARGE PLUME DOMINATED
                    FIRE GROWTH.
MIXING HEIGHT.......4100-5100 FT AGL INCREASING TO 9500-10500 FT
                    AGL IN THE AFTERNOON.
TRANSPORT WINDS.....SOUTHWEST 8 TO 14 MPH.
SMOKE DISPERSAL.....POOR (33600 KNOT-FT) INCREASING TO VERY GOOD
                    (111000 KNOT-FT) IN THE AFTERNOON.

.FORECAST DAYS 3 THROUGH 5...
.FRIDAY NIGHT...PARTLY CLOUDY. LOWS IN THE MID 40S. SOUTHWEST
WINDS AROUND 12 MPH.
.SATURDAY...MOSTLY CLEAR. LOWS IN THE MID 40S. HIGHS IN THE LOWER
80S. WINDS GENERALLY LESS THAN 10 MPH.
.SUNDAY...MOSTLY CLEAR. LOWS IN THE MID 40S. HIGHS IN THE UPPER
70S. WINDS GENERALLY LESS THAN 10 MPH.
.MONDAY...MOSTLY CLEAR. LOWS IN THE MID 40S. HIGHS IN THE UPPER
70S. WINDS GENERALLY LESS THAN 10 MPH.

$$

FORECASTER...MEUNIER
REQUESTED BY...RON STEFFFENS
REASON FOR REQUEST...WILDFIRE
.TAG 20100714.CATHE.03/RIW