Suppression Forecast
Issued by NWS Boise, ID

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000
FNUS75 KBOI 231959
FWSBOI

SPOT FORECAST FOR CUPRUM RX...PAYETTE NF
NATIONAL WEATHER SERVICE BOISE ID
159 PM MDT THU APR 23 2015

FORECAST IS BASED ON IGNITION TIME OF 1305 MDT ON APRIL 23.
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER
SERVICE.

...COLD FRONTAL PASSAGE EXPECTED EARLY FRIDAY MORNING...
...FRONTAL TIMING EXPECTED TO BE AROUND MIDNIGHT TO 3 AM FRIDAY...

.DISCUSSION...
A COLD FRONT OFF THE COAST WILL PUSH INTO EASTERN OREGON TONIGHT
AND ACROSS THE BURN AREA EARLY FRIDAY MORNING BETWEEN MIDNIGHT AND
3 AM. WETTING RAINS ARE POSSIBLE OVERNIGHT WITH AROUND 0.10 INCHES
POSSIBLE. SNOW LEVELS ARE EXPECTED TO DROP TO AROUND 5000 FEET BY
FRIDAY AFTERNOON. THE UPPER LOW SWINGS INTO THE PACIFIC NORTHWEST
THROUGH THE WEEKEND BRINGING COOL AND UNSETTLED CONDITIONS
THROUGH THE WEEKEND.

.TONIGHT...

SKY/WEATHER.........BECOMING CLOUDY THIS EVENING. NUMEROUS RAIN AND SNOW
                    SHOWERS...MAINLY AFTER MIDNIGHT. CHANCE OF PRECIPITATION
                    60 PERCENT. NO SNOW ACCUMULATION.
MIN TEMPERATURE.....38 TO 42.
MAX HUMIDITY........OVER 80 PERCENT.
WIND - EYE LEVEL....BECOMING DOWNSLOPE 1 TO 3 MPH AFTER SUNSET.
HAINES INDEX........2 VERY LOW.
MIXING HEIGHT.......500 FT AGL.
TRANSPORT WIND......NORTH 5 TO 10 MPH.
VENTILATION INDEX...LESS THAN 100 POOR.

.FRIDAY...

SKY/WEATHER.........CLOUDY WITH A 50 PERCENT CHANCE OF RAIN AND
                    SNOW SHOWERS. SNOW LEVEL NEAR 5000 FEET. PARTIAL
                    CLEARING BY MID AFTERNOON.
MAX TEMPERATURE.....NEAR 45.
MIN HUMIDITY........NEAR 50 PERCENT.
WIND - EYE LEVEL....WEST TO SOUTHWEST AROUND 3 MPH WITH AFTERNOON GUSTS TO
                    8 MPH.
HAINES INDEX........2 VERY LOW.
MIXING HEIGHT.......5000 FT AGL.
TRANSPORT WIND......NORTHWEST AROUND 10 MPH.
VENTILATION INDEX...500 GOOD.

$$
FORECASTER...ANDERSON/REDMAN
REQUESTED BY...RYAN JONES
TYPE OF REQUEST...PRESCRIBED
.TAG 20150423.CUPRU.01/BOI



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