Issued by NWS Missoula, MT
Versions: 1
000 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. $$ IDZ005-006-210930- NORTHERN CLEARWATER MOUNTAINS-SOUTHERN CLEARWATER MOUNTAINS- 125 PM PST FRI NOV 20 2009 THIS HAZARDOUS WEATHER OUTLOOK IS FOR PORTIONS OF NORTH CENTRAL IDAHO. FOR THE LATEST INFORMATION ON WATCHES...WARNINGS AND ADVISORIES...GO TO WEATHER.GOV/MISSOULA. .DAY ONE...THIS AFTERNOON AND TONIGHT A SNOW ADVISORY HAS BEEN ISSUED FOR THE VALLEYS ABOVE 3000 FEET IN THE NORTHERN CLEARWATER MOUNTAINS THIS EVENING THROUGH SATURDAY AFTERNOON. PLEASE SEE WWW.WEATHER.GOV/MISSOULA FOR DETAILS. .DAYS TWO THROUGH SEVEN...SATURDAY THROUGH THURSDAY A SECOND UPPER WAVE AND ASSOCIATED SURFACE LOW WILL MOVE OVER THE CLEARWATER MOUNTAINS SUNDAY. ANOTHER ROUND OF ACCUMULATING SNOW WILL IMPACT THE HIGHER VALLEYS...WITH ACCUMULATIONS OF 6 TO 8 INCHES POSSIBLE IN THE PIERCE TO HEADQUARTERS REGION BY SUNDAY EVENING....AND OVER A FOOT IN THE MOUNTAINS. INCREASED WINDS WILL ALSO PRODUCE AREAS OF BLOWING AND DRIFTING SNOW REDUCING VISIBILITIES AT TIMES. .SPOTTER INFORMATION STATEMENT... WEATHER SPOTTERS ARE ENCOURAGED TO REPORT SIGNIFICANT WEATHER CONDITIONS ACCORDING TO STANDARD OPERATING PROCEDURES. $$
