HAZARDOUS WEATHER OUTLOOK

 
 FLUS45 KMSO 202125
 HWOMSO
 
 HAZARDOUS WEATHER OUTLOOK
 NATIONAL WEATHER SERVICE MISSOULA MT
 225 PM MST FRI NOV 20 2009
 
 IDZ007-210930-
 OROFINO/GRANGEVILLE REGION-
 125 PM PST FRI NOV 20 2009
 
 THIS HAZARDOUS WEATHER OUTLOOK IS FOR PORTIONS OF NORTH CENTRAL 
 IDAHO.
 
 .DAY ONE...THIS AFTERNOON AND TONIGHT
 
 AREAS OF RAIN WILL CHANGE OVER TO SNOW TONIGHT. LIGHT
 ACCUMULATIONS ARE EXPECTED. PLEASE SEE NEXT SECTION FOR HAZARDOUS WEATHER.
 
 .DAYS TWO THROUGH SEVEN...SATURDAY THROUGH THURSDAY
 
 A SECOND STRONGER UPPER LEVEL WAVE SURFACE LOW WILL MOVE INTO
 NORTH CENTRAL IDAHO EARLY SUNDAY AND WILL IMPACT THE
 GRANGEVILLE...WHITEBIRD GRADE AND GREER GRADE THROUGH SUNDAY EVENING.
 ACCUMULATIONS OF 4 TO 8 INCHES OVER THE GRADES...AND 3 TO 5 INCHES
 IN GRANGEVILLE IS POSSIBLE SUNDAY. IN ADDITION...STRONG WINDS WILL
 RESULT IN AREAS OF BLOWING AND DRIFTING SNOW REDUCING VISIBILITIES
 AT TIMES IN THE GRANGEVILLE AND CAMAS PRAIRIE...LOCAL BLIZZARD
 CONDITIONS ARE POSSIBLE OVER WHITE BIRD GRADE SUNDAY MORNING.
 
 .SPOTTER INFORMATION STATEMENT...
 
 WEATHER SPOTTERS ARE ENCOURAGED TO REPORT SIGNIFICANT WEATHER
 CONDITIONS ACCORDING TO STANDARD OPERATING PROCEDURES.
 
 

 
 IDZ005-006-210930-
 NORTHERN CLEARWATER MOUNTAINS-SOUTHERN CLEARWATER MOUNTAINS-
 125 PM PST FRI NOV 20 2009
 
 THIS HAZARDOUS WEATHER OUTLOOK IS FOR PORTIONS OF NORTH CENTRAL 
 IDAHO.
 
 FOR THE LATEST INFORMATION ON WATCHES...WARNINGS AND ADVISORIES...GO
 TO WEATHER.GOV/MISSOULA.
 
 .DAY ONE...THIS AFTERNOON AND TONIGHT
 
 A SNOW ADVISORY HAS BEEN ISSUED FOR THE VALLEYS ABOVE 3000 FEET IN THE
 NORTHERN CLEARWATER MOUNTAINS THIS EVENING THROUGH SATURDAY
 AFTERNOON. PLEASE SEE WWW.WEATHER.GOV/MISSOULA FOR DETAILS. 
 
 .DAYS TWO THROUGH SEVEN...SATURDAY THROUGH THURSDAY
 
 A SECOND UPPER WAVE AND ASSOCIATED SURFACE LOW WILL MOVE OVER THE
 CLEARWATER MOUNTAINS SUNDAY. ANOTHER ROUND OF ACCUMULATING SNOW
 WILL IMPACT THE HIGHER VALLEYS...WITH ACCUMULATIONS OF 6 TO 8
 INCHES POSSIBLE IN THE PIERCE TO HEADQUARTERS REGION BY SUNDAY
 EVENING....AND OVER A FOOT IN THE MOUNTAINS. INCREASED WINDS WILL
 ALSO PRODUCE AREAS OF BLOWING AND DRIFTING SNOW REDUCING
 VISIBILITIES AT TIMES. 
 
 .SPOTTER INFORMATION STATEMENT...
 
 WEATHER SPOTTERS ARE ENCOURAGED TO REPORT SIGNIFICANT WEATHER
 CONDITIONS ACCORDING TO STANDARD OPERATING PROCEDURES.
 
 

 
 
 
 
 
 
 
 
 

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US Dept of Commerce
National Oceanic and Atmospheric Administration
National Weather Service
Missoula Weather Forecast Office
6633 Aviation Way
Missoula, MT 59808-9381

Tel: (406) 329-4840