Suppression Forecast
Issued by NWS Riverton, WY

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000
FNUS75 KRIW 271430
FWSRIW

SPOT FORECAST FOR BALD RIDGE II...USFS SHF
NATIONAL WEATHER SERVICE RIVERTON WY
830 AM MDT FRI MAR 27 2015

FORECAST IS BASED ON IGNITION TIME OF 1100 MDT ON MARCH 27.
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER
SERVICE.

.DISCUSSION...A RIDGE OF HIGH PRESSURE IS EXPECTED TO REMAIN OVER
THE AREA TODAY AND BRING DRY AND WARM CONDITIONS. AN UPPER LEVEL
DISTURBANCE AND ASSOCIATED COLD FRONT WILL MOVE THROUGH ON SATURDAY.
OTHER THAN A SPOTTY SHOWER SATURDAY AFTERNOON...THE PASSAGE IS
EXPECTED TO BE DRY. HOWEVER...THE COMBINATION OF LOW RELATIVE HUMIDITY
AND A GUSTY WEST TO SOUTHWEST WIND MAY BRING ELEVATED FIRE DANGER
SATURDAY AFTERNOON AND EVENING. CONDITIONS SHOULD IMPROVE ON SUNDAY WITH COOLER
TEMPERATURES...LESS WIND AND HIGHER RELATIVE HUMIDITY.

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

FORECASTER...LIPSON

.TODAY...
SKY/WEATHER.........MOSTLY SUNNY (20-30 PERCENT).
MAX TEMPERATURE.....60-63.
MIN HUMIDITY........27-29 PERCENT.
20 FOOT WINDS.......UNIT 1...BRIEFLY NORTH NORTHWEST 10 TO 15 MPH THROUGH 0930.
                    THEN WEST 10 TO 15 MPH WITH SOME GUSTS TO 22 MPH.
                    AT UNIT 2...LIGHT AND VARIABLE. THEN AFTER 0930
                    WEST 5 TO 10 MPH WITH SOME GUSTS TO 17 MPH. WINDS
                    OCCASIONALLY VARIABLE IN DIRECTION AT 5 TO 10 MPH.
RIDGE TOP WINDS.....WEST 20 TO 25 MPH.
HAINES INDEX........3 OR VERY LOW POTENTIAL FOR LARGE PLUME
                    DOMINATED FIRE GROWTH.
MIXING HEIGHT.......2200-3100 FT AGL.
TRANSPORT WINDS.....WEST 23 TO 25 MPH.
SMOKE DISPERSAL.....FAIR (53400-59100 KNOT-FT).

.TONIGHT...
SKY/WEATHER.........MOSTLY CLEAR (10-20 PERCENT).
MIN TEMPERATURE.....40-43.
MAX HUMIDITY........71-74 PERCENT.
20 FOOT WINDS.......UNIT 1...WEST WINDS 14 TO 17 MPH WITH GUSTS TO AROUND 30
                    MPH.
                    UNIT 2...WEST WINDS 7 TO 12 MPH WITH GUSTS TO AROUND 25 MPH.
                    WINDS OCCASIONALLY VARIABLE IN DIRECTION AT 5 TO 10 MPH.

RIDGE TOP WINDS.....WEST 20 TO 25 MPH.
HAINES INDEX........3 OR VERY LOW POTENTIAL FOR LARGE PLUME
                    DOMINATED FIRE GROWTH.
MIXING HEIGHT.......1500-2500 FT AGL.
TRANSPORT WINDS.....WEST 23 TO 26 MPH.
SMOKE DISPERSAL.....POOR TO FAIR (30100-52600 KNOT-FT).

.SATURDAY...
SKY/WEATHER.........SUNNY (5-15 PERCENT) THEN BECOMING PARTLY
                    CLOUDY (35-45 PERCENT). ISOLATED RAIN SHOWERS
                    IN THE AFTERNOON BY 1500.
MAX TEMPERATURE.....61-64.
MIN HUMIDITY........19-21 PERCENT.
20 FOOT WINDS.......UNIT 1...SOUTHWEST WINDS 17 TO 22 MPH.
                    GUSTS UP TO 30 MPH. AFTER 0900 WEST WINDS INCREASING
                    TO 22 TO 32 MPH WITH GUSTS TO 40 TO 50 MPH.
                    WINDS VEERING TO WEST AT 1600 AT THE SAME SPEEDS.

                    UNIT 2...WEST 10 TO 15 MPH WITH GUSTS TO 26 MPH BUT
                    OCCASIONALLY VARIABLE AT 5 TO 10 MPH. AFTER 0900
                    WEST 10 TO 20 MPH WITH OCCASIONAL GUSTS OF 30 MPH
                    ALONG WITH WINDS OCCASIONALLY VARIABLE AT 10 TO 12 MPH.
                    WINDS VEERING TO WEST AT 1600 AT THE SAME SPEEDS.
RIDGE TOP WINDS.....WEST 25 TO 30 MPH INCREASING TO 30 TO 35 MPH IN
                    THE AFTERNOON.
HAINES INDEX........2 OR VERY LOW POTENTIAL FOR LARGE PLUME
                    DOMINATED FIRE GROWTH.
MIXING HEIGHT.......1500-2500 FT AGL INCREASING TO 4200-5200 FT AGL
                    IN THE AFTERNOON.
TRANSPORT WINDS.....WEST 28 TO 37 MPH.
SMOKE DISPERSAL.....FAIR (55100 KNOT-FT) INCREASING TO VERY GOOD
                    (121300 KNOT-FT) IN THE AFTERNOON.

.FORECAST DAYS 3 THROUGH 5...
.SATURDAY NIGHT...PARTLY CLOUDY. LOWS IN THE LOWER 30S. WEST
WINDS AROUND 11 MPH.
.SUNDAY...MOSTLY CLEAR. LOWS IN THE MID 30S. HIGHS IN THE UPPER
50S. WINDS GENERALLY LESS THAN 10 MPH.
.MONDAY...MOSTLY CLEAR. LOWS IN THE UPPER 30S. HIGHS IN THE UPPER
50S. WINDS GENERALLY LESS THAN 10 MPH.
.TUESDAY...PARTLY CLOUDY WITH CHANCE OF RAIN. LOWS IN THE UPPER
20S. HIGHS IN THE UPPER 50S. WEST WINDS AROUND 11 MPH.

$$

FORECASTER...LIPSON
REQUESTED BY...LANCE ROBINSON
REASON FOR REQUEST...PRESCRIBED
.TAG 20150327.BALDR.01/RIW





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