FNUS75 KRIW 281011
FWSRIW

SPOT FORECAST FOR CYGNET FIRE...NPS YNP
NATIONAL WEATHER SERVICE RIVERTON WY
411 AM MDT TUE AUG 28 2012

FORECAST IS BASED ON REQUEST TIME OF 2028 MDT ON AUGUST 27.
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER
SERVICE.

.DISCUSSION...
IT WILL BE DRY AND WARM THE NEXT COUPLE DAYS WITH INCREASING SOUTHWEST
WIND. LOW RH'S IN THE TEENS CAN BE EXPECTED EACH AFTERNOON AND EVENING
WITH INCREASING SOUTHWEST WINDS...ESPECIALLY ON WEDNESDAY.


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

FORECASTER...SKRBAC

.TODAY...
SKY/WEATHER.........SUNNY (0-5 PERCENT).
MAX TEMPERATURE.....75-78.
MIN HUMIDITY........17-20 PERCENT.
20 FOOT WINDS.......UPSLOPE/UPVALLEY 5-9 MPH BECOMING SOUTHWEST 9
                    TO 12 MPH WITH GUSTS TO AROUND 20 MPH IN THE
                    AFTERNOON.
RIDGE TOP WINDS.....SOUTHWEST AROUND 15 MPH.
LAL.................1.
CHC OF WETTING RAIN.ZERO PERCENT.
HAINES INDEX........4 OR LOW POTENTIAL FOR LARGE PLUME DOMINATED
                    FIRE GROWTH.
MIXING HEIGHT.......3900-4900 FT AGL INCREASING TO 8600-9100 FT AGL
                    IN THE AFTERNOON.
TRANSPORT WINDS.....SOUTHWEST 14 TO 17 MPH.
SMOKE DISPERSAL.....GOOD (62000 KNOT-FT) INCREASING TO VERY GOOD
                    (120600 KNOT-FT) IN THE AFTERNOON.

.TONIGHT...
SKY/WEATHER.........CLEAR (0-5 PERCENT).
MIN TEMPERATURE.....40-43.
MAX HUMIDITY........71-74 PERCENT.
20 FOOT WINDS.......SOUTH WINDS 10 TO 14 MPH WITH GUSTS TO AROUND
                    25 MPH.
RIDGE TOP WINDS.....SOUTHWEST 15 TO 20 MPH INCREASING TO AROUND 25
                    MPH EARLY IN THE MORNING.
LAL.................1.
CHC OF WETTING RAIN.ZERO PERCENT.
HAINES INDEX........3 OR VERY LOW POTENTIAL FOR LARGE PLUME
                    DOMINATED FIRE GROWTH.
MIXING HEIGHT.......4400-5400 FT AGL DECREASING TO 200-700 FT AGL
                    AFTER MIDNIGHT.
TRANSPORT WINDS.....SOUTHWEST 16 TO 25 MPH.
SMOKE DISPERSAL.....GOOD (65700 KNOT-FT) DECREASING TO POOR (7600
                    KNOT-FT) AFTER MIDNIGHT.

.WEDNESDAY...
SKY/WEATHER.........MOSTLY SUNNY (15-25 PERCENT).
MAX TEMPERATURE.....72-75.
MIN HUMIDITY........14-17 PERCENT.
20 FOOT WINDS.......SOUTHWEST WINDS 10 TO 15 MPH. GUSTS UP TO 20
                    MPH INCREASING 15 TO 20 MPH WITH GUSTS TO 25
                    MPH IN THE AFTERNOON.
RIDGE TOP WINDS.....SOUTHWEST 25 TO 30 MPH.
LAL.................1.
CHC OF WETTING RAIN.LESS THAN 5 PERCENT.
HAINES INDEX........5 OR MODERATE POTENTIAL FOR LARGE PLUME
                    DOMINATED FIRE GROWTH.
MIXING HEIGHT.......4700-5700 FT AGL INCREASING TO 9000-9500 FT
                    AGL IN THE AFTERNOON.
TRANSPORT WINDS.....SOUTHWEST 25 TO 30 MPH.
SMOKE DISPERSAL.....VERY GOOD (144600 KNOT-FT) INCREASING TO
                    EXCELLENT (250200 KNOT-FT) IN THE AFTERNOON.

.FORECAST DAYS 3 THROUGH 5...
.WEDNESDAY NIGHT...PARTLY CLOUDY. AREAS OF SMOKE. LOWS IN THE
UPPER 30S. SOUTHWEST WINDS AROUND 14 MPH.
.THURSDAY...MOSTLY CLEAR. AREAS OF SMOKE IN THE MORNING. LOWS IN
THE UPPER 30S. HIGHS IN THE LOWER 70S. WINDS GENERALLY LESS THAN
10 MPH.
.FRIDAY...PARTLY CLOUDY WITH SLIGHT CHANCE OF SHOWERS AND
THUNDERSTORMS. LOWS IN THE UPPER 30S. HIGHS IN THE LOWER 70S.
WINDS GENERALLY LESS THAN 10 MPH.
.SATURDAY...PARTLY CLOUDY WITH SLIGHT CHANCE OF SHOWERS AND
THUNDERSTORMS. LOWS IN THE MID 30S. HIGHS AROUND 70. WINDS
GENERALLY LESS THAN 10 MPH.

$$

FORECASTER...SKRBAC
REQUESTED BY...LAURA DOOLEY
REASON FOR REQUEST...WILDFIRE
.TAG 20120827.CYGNE.01/RIW