Suppression Forecast
Issued by NWS Billings, MT

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FNUS75 KBYZ 301156
FWSBYZ

SPOT FORECAST FOR FGO   W BENCH BURN...RED LODGE FIRE
NATIONAL WEATHER SERVICE BILLINGS MT
556 AM MDT SAT MAY 30 2015

FORECAST IS BASED ON IGNITION TIME OF 0900 MDT ON MAY 30.
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER
SERVICE.

.DISCUSSION...
A MOIST AND UNSTABLE AIRMASS WILL BE OVER THE BURN AREA THIS
WEEKEND. WEATHER DISTURBANCES MOVING THROUGH THE WESTERLY FLOW
ALOFT WILL BRING SCATTERED AFTERNOON AND EVENING SHOWERS AND
THUNDERSTORMS. SOME OF THE STORMS COULD BE STRONG WITH GUSTY
WINDS AND LARGE HAIL. MINIMUM RELATIVE HUMIDITIES WILL BE AROUND 50
PERCENT TODAY AND SUNDAY. WINDS TODAY WILL BE SOUTH 5 TO 10 MPH.
SMOKE DISPERSION WILL BE POOR THIS MORNING DUE TO THE MORNING
INVERSION. THE SMOKE DISPERSION WILL IMPROVE TO GOOD AFTER THE
INVERSION BREAKS WHICH WILL BE AFTER NOON MDT. LIGHT WINDS EARLY
THIS EVENING WILL BECOME SOUTHWEST 5 TO 10 MPH BY LATE EVENING.
SOUTHWEST WINDS 5 TO 10 MPH SUNDAY MORNING WILL SHIFT TO THE
NORTHEAST IN THE AFTERNOON.


.TODAY...

SKY/WEATHER.........MOSTLY CLOUDY. SCATTERED SHOWERS AND
                    THUNDERSTORMS IN THE AFTERNOON.
CWR.................24 PERCENT.
LAL.................1...NO THUNDERSTORMS IN THE MORNING INCREASING
                    TO 3...9 TO 15 STRIKES/15 MIN/CELL IN THE
                    AFTERNOON.
MAX TEMPERATURE.....67-72.
MIN HUMIDITY........51-56 PERCENT.
WIND (20 FT)........
 SLOPE/VALLEY.......SOUTH WINDS 5 TO 10 MPH. GUSTY AND ERRATIC
                    WINDS EXPECTED NEAR THUNDERSTORMS IN THE
                    AFTERNOON.
 RIDGETOP...........SOUTHWEST 5 TO 15 MPH.
MIXING HEIGHT.......6400 FT AGL.
MIXING WINDS........SOUTHWEST 5 TO 15 MPH.
HAINES INDEX........3.

TIME (MDT)      9A 10A 11A 12P 1PM 2PM 3PM
20 FT WIND DIR..S  S   S   SE  S   S   S
20 FT WIND SPD..8  8   8   8   11  11  11
20 FT WIND GUST.10 10  10  10  13  13  13
RIDGE WIND DIR..S  S   S   S   S   S   S
RIDGE WIND SPD..15 15  14  13  13  13  13

.TONIGHT...

SKY/WEATHER.........MOSTLY CLOUDY. SCATTERED SHOWERS AND
                    THUNDERSTORMS IN THE EVENING.
CWR.................29 PERCENT.
LAL.................3...9 TO 15 STRIKES/15 MIN/CELL IN THE EVENING
                    DECREASING TO 1...NO THUNDERSTORMS OVERNIGHT.
MIN TEMPERATURE.....47-52.
MAX HUMIDITY........86-91 PERCENT.
WIND (20 FT)........
 SLOPE/VALLEY.......LIGHT WINDS EARLY IN THE EVENING BECOMING
                    SOUTHWEST 5 TO 10 MPH IN THE LATE EVENING AND
                    OVERNIGHT. GUSTY AND ERRATIC WINDS EXPECTED
                    NEAR THUNDERSTORMS IN THE EVENING.
 RIDGETOP...........WEST 10 TO 20 MPH.
MIXING HEIGHT.......2100 FT AGL.
MIXING WINDS........SOUTHWEST 5 TO 10 MPH.
HAINES INDEX........3.

.SUNDAY...

SKY/WEATHER.........PARTLY SUNNY. SCATTERED SHOWERS AND
                    THUNDERSTORMS IN THE AFTERNOON.
CWR.................25 PERCENT.
LAL.................1...NO THUNDERSTORMS IN THE MORNING INCREASING
                    TO 3...9 TO 15 STRIKES/15 MIN/CELL IN THE
                    AFTERNOON.
MAX TEMPERATURE.....70-75.
MIN HUMIDITY........49-54 PERCENT.
WIND (20 FT)........
 SLOPE/VALLEY.......SOUTHWEST WINDS 5 TO 10 MPH IN THE MORNING
                    SHIFTING TO THE NORTHEAST IN THE AFTERNOON.
                    GUSTY AND ERRATIC WINDS EXPECTED NEAR
                    THUNDERSTORMS IN THE AFTERNOON.
 RIDGETOP...........SOUTHWEST 5 TO 10 MPH.
MIXING HEIGHT.......7500 FT AGL.
MIXING WINDS........SOUTHWEST 5 TO 10 MPH.
HAINES INDEX........3.

$$
FORECASTER...ARTHUR
REQUESTED BY...ROGER JACKSON
TYPE OF REQUEST...PRESCRIBED
.TAG 20150530.FGOWB.01/BYZ


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