Suppression Forecast
Issued by NWS Billings, MT

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000
FNUS75 KBYZ 191112
FWSBYZ

SPOT FORECAST FOR ZAYBROOK RX...US FOREST SERVICE
NATIONAL WEATHER SERVICE BILLINGS MT
512 AM MDT FRI SEP 19 2014

FORECAST IS BASED ON IGNITION TIME OF 0920 MDT ON SEPTEMBER 19.
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER
SERVICE.

.DISCUSSION...
THERE WILL BE A SLIGHT CHANCE OF A SHOWER OR THUNDERSTORM OVER
THE BURN AREA TODAY DUE TO THE APPROACH OF A WEATHER DISTURBANCE
ALOFT. OTHERWISE...HIGH PRESSURE WILL BUILD OVER THE SITE TONIGHT
THROUGH SATURDAY BRINGING DRY WEATHER. MINIMUM RELATIVE HUMIDITIES
WILL BE IN THE 30S TODAY AND 45 TO 50 PERCENT ON SATURDAY.
NORTHWEST WINDS 5 TO 15 MPH EARLY TODAY WILL BECOME UPSLOPE/UP-VALLEY
5 TO 15 MPH BY LATE MORNING. EXPECT LIGHT DOWNSLOPE/DOWN-VALLEY WINDS
TONIGHT INTO EARLY SATURDAY BECOMING UPSLOPE/UP-VALLEY 5 TO 15 MPH
LATE SATURDAY MORNING.

.TODAY...

SKY/WEATHER.........PARTLY SUNNY. ISOLATED SHOWERS AND
                    THUNDERSTORMS.
CWR.................17 PERCENT.
LAL.................2...1 TO 8 STRIKES/15 MIN/CELL.
MAX TEMPERATURE.....58-63.
MIN HUMIDITY........33-38 PERCENT.
WIND (20 FT)........
 SLOPE/VALLEY.......NORTHWEST WINDS 5 TO 15 MPH EARLY...BECOMING UPSLOPE/
                    UP-VALLEY 5 TO 15 MPH BY LATE MORNING. GUSTY AND
                    ERRATIC WINDS EXPECTED NEAR THUNDERSTORMS.
 RIDGETOP...........WEST 15 TO 30 MPH.
MIXING HEIGHT.......6400 FT AGL.
MIXING WINDS........WEST 10 TO 20 MPH.
HAINES INDEX........3.

.TONIGHT...

SKY/WEATHER.........PARTLY CLOUDY.
CWR.................0 PERCENT.
LAL.................1...NO THUNDERSTORMS.
MIN TEMPERATURE.....43-48.
MAX HUMIDITY........77-82 PERCENT.
WIND (20 FT)........
 SLOPE/VALLEY.......DOWNSLOPE/DOWN-VALLEY WINDS 5 TO 10 MPH.
 RIDGETOP...........NORTHWEST 10 TO 20 MPH.
MIXING HEIGHT.......2400 FT AGL.
MIXING WINDS........NORTHWEST 5 TO 15 MPH.
HAINES INDEX........3.

.SATURDAY...

SKY/WEATHER.........SUNNY.
CWR.................0 PERCENT.
LAL.................1...NO THUNDERSTORMS.
MAX TEMPERATURE.....56-61.
MIN HUMIDITY........45-50 PERCENT.
WIND (20 FT)........
 SLOPE/VALLEY.......DOWNSLOPE/DOWN-VALLEY WINDS 5 TO 10 MPH EARLY...
                    BECOMING UPSLOPE/UP-VALLEY 5 TO 15 MPH BY LATE
                    MORNING.
 RIDGETOP...........NORTHWEST 5 TO 15 MPH.
MIXING HEIGHT.......4300 FT AGL.
MIXING WINDS........WEST 5 TO 10 MPH.
HAINES INDEX........2.

$$
FORECASTER...ARTHUR
REQUESTED BY...ANDREW PARKER
TYPE OF REQUEST...PRESCRIBED
.TAG 20140918.ZAYBR.01/BYZ


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