Area Forecast Discussion
Issued by NWS Missoula, MT

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FXUS65 KMSO 230941
AFDMSO

AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE MISSOULA MT
341 AM MDT THU OCT 23 2014

.DISCUSSION...SOUTHWESTERLY FLOW ALOFT WILL CONTINUE TO ALLOW A
PLUME OF SUBTROPICAL MOISTURE STREAM THROUGH THE NORTHERN ROCKIES
TODAY. WIDESPREAD PRECIPITATION IS ANTICIPATED WITH THE MOUNTAINS
POTENTIALLY GETTING AN INCH OR TWO OF RAIN BY FRIDAY MORNING. THE
STRONG FLOW ALOFT WILL CAUSE DOWNSLOPING EFFECTS IN THE BROADER
VALLEYS, BUT LOCATIONS LIKE KALISPELL AND MISSOULA SHOULD STILL
RECEIVE MEASURABLE RAIN. SNOW LEVELS ARE ANTICIPATED TO BE AROUND
6000-7000 FEET DURING THIS EVENT. TEMPERATURES WILL HAVE A
DIFFICULT TIME WARMING TODAY DUE TO PRECIPITATION AND CLOUD COVER.

A RIDGE OF HIGH PRESSURE WILL BUILD BACK OVER THE REGION LATE
FRIDAY INTO SATURDAY GIVING WAY TO A WARMING AND DRYING TREND.
TEMPERATURES FOR SATURDAY SHOULD BE ABOVE NORMAL FOR THIS TIME OF
YEAR.

A SIGNIFICANT SYSTEM IS EXPECTED TO SWING THROUGH THE REGION ON
SUNDAY INTO MONDAY. THIS SYSTEM WILL BRING ANOTHER ROUND OF
WIDESPREAD PRECIPITATION WITH COOL AND RAW CONDITIONS ON SUNDAY.
SNOW LEVELS HAVE TO POTENTIAL TO DROP TO NEAR 4000 FEET BY MONDAY
MORNING.


&&

.AVIATION...ALL AVIATION SITES WILL SEE A CHANCE OF RAIN
OCCASIONALLY REDUCING VISIBILITIES AND LOWERING CEILINGS AFTER
1500Z. GUSTY SOUTHWEST WINDS WILL ALSO DEVELOP TOMORROW AFTERNOON
FOR ALL TERMINALS, WITH GUSTS APPROACHING 25 TO 30 MPH AFTER
1800Z.




&&

.MSO WATCHES/WARNINGS/ADVISORIES...
MT...NONE.
ID...WIND ADVISORY UNTIL 8 AM PDT THIS MORNING FOR THE CAMAS
     PRAIRIE...GRANGEVILLE AND HIGHWAY 95 IN THE LOWER HELLS
     CANYON/SALMON RIVER REGION...OROFINO/GRANGEVILLE REGION.

&&

$$



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