Frost Advisory 1, NWS Missoula, MT

960 
WWUS75 KMSO 030319 AAA
NPWMSO

URGENT - WEATHER MESSAGE...UPDATED
NATIONAL WEATHER SERVICE MISSOULA MT
919 PM MDT FRI SEP 2 2011

MTZ001-003>005-031500-
/O.CON.KMSO.FR.Y.0001.110903T0600Z-110903T1500Z/
KOOTENAI/CABINET REGION-FLATHEAD/MISSION VALLEYS-
LOWER CLARK FORK REGION-MISSOULA/BITTERROOT VALLEYS-
919 PM MDT FRI SEP 2 2011

...FROST ADVISORY REMAINS IN EFFECT UNTIL 9 AM MDT SATURDAY...

A FROST ADVISORY REMAINS IN EFFECT UNTIL 9 AM MDT SATURDAY. 

* IMPACTS/TIMING:CLEAR SKIES WITH CALM WINDS WILL ALLOW 
  TEMPERATURES TO FALL INTO THE LOWER 30S AFTER MIDNIGHT TONIGHT 
  AND EARLY SATURDAY MORNING. THE GREATEST THREAT FOR FROST WILL 
  BE IN THE LOW LYING AREAS. FROST SENSITIVE PLANTS MAY NEED TO 
  BE PROTECTED OR MOVED INDOORS. 

* TEMPERATURES: IN THE LOWER 30S.

* LOCATIONS IMPACTED INCLUDE...HIGHWAY 2 KALISPELL TO LIBBY...
  HIGHWAY 37 EUREKA TO LIBBY...HIGHWAY 56 BULL LAKE ROAD...
  HIGHWAY 93 EUREKA TO WHITEFISH...FLATHEAD LAKE...FLATHEAD
  VALLEY... MISSION VALLEY...POLSON...EVARO HILL...HIGHWAY 200
  THOMPSON FALLS TO PLAINS...HIGHWAY 200 TROUT CREEK TO HERON...
  I-90 LOOKOUT PASS TO HAUGAN...BITTERROOT VALLEY...MISSOULA

&&

$$

839 
WWUS75 KMSO 031434
NPWMSO

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE MISSOULA MT
834 AM MDT SAT SEP 3 2011

MTZ001-003>005-031545-
/O.CAN.KMSO.FR.Y.0001.000000T0000Z-110903T1500Z/
KOOTENAI/CABINET REGION-FLATHEAD/MISSION VALLEYS-
LOWER CLARK FORK REGION-MISSOULA/BITTERROOT VALLEYS-
834 AM MDT SAT SEP 3 2011

...FROST ADVISORY IS CANCELLED...

THE NATIONAL WEATHER SERVICE IN MISSOULA HAS CANCELLED THE FROST
ADVISORY. 

TEMPERATURES ARE WARMING UP NOW THAT THE SUN HAS RISEN. 

$$

AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE MISSOULA MT
333 AM MDT FRI SEP 2 2011

.DISCUSSION...NORTHWESTERLY FLOW WILL PERSIST OVER THE NORTHERN
ROCKIES TODAY. A WEAK DISTURBANCE WILL DROP OUT OF ALBERTA CANADA
INTO EASTERN MONTANA TODAY WHICH WILL KEEP A FEW SHOWERS GOING
AROUND GLACIER PARK. GUSTY WESTERLY WINDS ARE ANTICIPATED TO MIX
TO THE SURFACE THIS AFTERNOON AS THE ATMOSPHERE DESTABILIZES.
GUSTS UP TO 30 MPH SHOULD BE EXPECTED IN THE VALLEYS WHILE THE
HIGHER TERRAIN COULD SEE GUSTS UP TO 40 MPH AND LOCALLY 50 MPH.
THE WINDS ARE EXPECTED TO DIMINISH AFTER SUNSET THIS EVENING.
TEMPERATURES WILL REMAIN AROUND 5 DEGREES BELOW NORMAL.

A RIDGE OF HIGH PRESSURE WILL QUICKLY BUILD BACK OVER THE NORTHERN
ROCKIES THIS WEEKEND CAUSING A WARMING AND DRYING TREND.
TEMPERATURES SHOULD BECOME 5 DEGREES ABOVE NORMAL BY SUNDAY.

CONTINUED WARM AND DRY CONDITIONS ARE EXPECTED FOR LABOR DAY AND
THE REMAINDER OF THE WEEK. HIGH PRESSURE WILL STRENGTHEN FURTHER AS
THE WEEK PROGRESSES...CAUSING DAYTIME HIGH TEMPERATURES TO RANGE IN
THE MID 80S TO LOW 90S ACROSS THE NORTHERN ROCKIES. EXPECT THESE
PLEASANT LATE-SUMMER CONDITIONS TO PERSIST INTO THE START OF NEXT
WEEKEND AS WELL.

&&

.AVIATION...NORTHWESTERLY FLOW WILL PERSIST OVER THE NORTHERN
ROCKIES TODAY. SHOWERS ARE ANTICIPATED TO REMAIN ALONG THE
NORTHERN PORTION OF THE CONTINENTAL DIVIDE TODAY. SO MOUNTAIN TOPS
AND HIGH PASSES COULD BE OBSCURED TODAY ACROSS EXTREME NORTHWEST
MONTANA. THIS AFTERNOON THE ATMOSPHERE WILL DESTABILIZE ALLOWING
FOR GUSTY WESTERLY WINDS TO MIX TO THE SURFACE. KGPI...KMSO AND
KBTM COULD POTENTIALLY SEE GUSTS UP TO 25 KNOTS BY MID TO LATE
AFTERNOON. THE WINDS SHOULD DIMINISH AFTER SUNSET THIS EVENING.

&&

NOTE: FLOOD WATCHES...WARNINGS AND ADVISORIES WILL NOT BE LISTED BELOW.

.MSO WATCHES/WARNINGS/ADVISORIES...
MT...NONE.
ID...NONE.
&&

SHORT TERM...SMITH
LONG TERM....ALLEGRETTO
AVIATION...SMITH