Alert archive / Montana / Winter Storm Warnings in 2009
Winter Storm Warning 11, NWS Missoula, MT
NWS Missoula, MT issued this winter storm warning at Mar 14, 2009, 9:07 PM MDT for 8 counties in Montana; Idaho County, Lemhi County, Idaho. It took effect at Mar 15, 2009, 6:00 AM MDT. It was in force for 38 hr. No storm report in the archive falls inside the area while it was in force.
The area
The counties it named.
The facts
- Issued
- Mar 14, 2009, 9:07 PM MDT (03:07 UTC)
- In effect from
- Mar 15, 2009, 6:00 AM MDT
- Expired
- Mar 16, 2009, 8:24 PM MDT
- In force
- 38 hr
- Issued by
- NWS Missoula, MT
Counties Idaho County, ID, Lemhi County, ID, Deer Lodge County, MT, Flathead County, MT, Granite County, MT, Lake County, MT, Missoula County, MT, Powell County, MT, Ravalli County, MT, Silver Bow County, MT
The radar
The Missoula radar (KMSX), 62 km from the middle of the area, began a volume at 03:09 UTC, the scan nearest the moment this went out.
Open the radar archive at this moment
The archived warnings, watches and discussions in force at that minute are drawn over the scan, this one among them.
What forecasters said that day
The local office's own words before this winter storm warning went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.
NWS Missoula, MT wrote its last area forecast discussion before this winter storm warning went out at Mar 14, 2:39 PM MDT, 6 hours 28 minutes earlier.
Area forecast discussion, Mar 14, 2:39 PM MDT, 6 hours 28 minutes before
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</html>Hazardous weather outlook, Mar 14, 6:09 PM MDT, 2 hours 58 minutes before
HAZARDOUS WEATHER OUTLOOK NATIONAL WEATHER SERVICE MISSOULA MT 609 PM MDT SAT MAR 14 2009 IDZ010-151200- EASTERN LEMHI COUNTY- 609 PM MDT SAT MAR 14 2009 THIS HAZARDOUS WEATHER OUTLOOK IS FOR PORTIONS OF NORTH CENTRAL IDAHO. .DAY ONE...TONIGHT A PACIFIC WEATHER SYSTEM WILL PUSH INTO THE AREA LATER TONIGHT. ACCUMULATING SNOW WILL BE CONFINED TO THE HIGHER ELEVATIONS...MAINLY OVER LOST TRAIL PASS. .DAYS TWO THROUGH SEVEN...SUNDAY THROUGH FRIDAY AS THE PACIFIC WEATHER SYSTEM MOVES INTO IDAHO...GUSTY SOUTH WINDS WILL DEVELOP SUNDAY IN ADVANCE OF A COLD FRONT. MOTORISTS SHOULD BE ALERT TO GUSTY WINDS ESPECIALLY OVER HIGHER TERRAIN. ACCUMULATING SNOW WILL BE SEEN OVER LOST TRAIL PASS. THE COLD FRONT IS EXPECTED TO MOVE INTO LEMHI COUNTY MONDAY...LOWERING SNOW LEVELS TO THE VALLEY FLOORS BY MONDAY EVENING. HAZARDOUS WINTER WEATHER DRIVING CONDITIONS MAY BE SEEN AT ALL ELEVATIONS MONDAY EVENING. .SPOTTER INFORMATION STATEMENT... WEATHER SPOTTERS ARE ENCOURAGED TO REPORT SIGNIFICANT WEATHER CONDITIONS ACCORDING TO STANDARD OPERATING PROCEDURES. IDZ007-008-151200- OROFINO/GRANGEVILLE REGION-LOWER HELLS CANYON/SALMON RIVER REGION- 509 PM PDT SAT MAR 14 2009 THIS HAZARDOUS WEATHER OUTLOOK IS FOR PORTIONS OF NORTH CENTRAL IDAHO. .DAY ONE...TONIGHT A PACIFIC WEATHER SYSTEM WILL BE APPROACHING THE AREA TONIGHT. GUSTY SOUTH WINDS UP TO 30 MPH WILL BE INCREASING OVER THE AREA FROM THE WHITEBIRD GRADE SOUTHWARD OVERNIGHT. ACCUMULATING SNOW WILL BE SEEN AFTER MIDNIGHT OVER THE HIGHER ELEVATIONS. .DAYS TWO THROUGH SEVEN...SUNDAY THROUGH FRIDAY A STRONG SOUTH TO NORTH PRESSURE GRADIENT WILL DEVELOP SUNDAY IN ADVANCE OF AN APPROACHING COLD FRONT. SOUTH WINDS WILL CONTINUE TO INCREASE WITH WIND GUSTS OF 40 TO 50 MPH POSSIBLE FROM GRANGEVILLE SOUTH BY SUNDAY AFTERNOON. THE COLD FRONT WILL PASS THROUGH THE AREA LATE SUNDAY NIGHT INTO MONDAY WITH SNOW LEVELS LOWERING TO THE VALLEY FLOORS. A BRIEF PERIOD OF HAZARDOUS WINTER WEATHER DRIVING CONDITIONS MAY DEVELOP MONDAY MORNING WITH ACCUMULATING SNOW AND GUSTY WINDS. THE CAMAS PRAIRIE AND THE WHITEBIRD GRADE MAY BE THE MOST IMPACTED BY THIS PASSING COLD FRONT. .SPOTTER INFORMATION STATEMENT... WEATHER SPOTTERS ARE ENCOURAGED TO REPORT SIGNIFICANT WEATHER CONDITIONS ACCORDING TO STANDARD OPERATING PROCEDURES. MTZ007-043-151200- BUTTE/BLACKFOOT REGION-POTOMAC/SEELEY LAKE REGION- 609 PM MDT SAT MAR 14 2009 THIS HAZARDOUS WEATHER OUTLOOK IS FOR PORTIONS OF WEST CENTRAL MONTANA. .DAY ONE...TONIGHT A PACIFIC WEATHER SYSTEM WILL APPROACH THE AREA LATER TONIGHT BRINGING A CHANCE OF SNOW MAINLY TO THE SEELEY LAKE REGION AFTER MIDNIGHT. .DAYS TWO THROUGH SEVEN...SUNDAY THROUGH FRIDAY AS THE PACIFIC WEATHER SYSTEM MOVES INTO THE AREA...GUSTY SOUTHERLY WINDS WILL BE INCREASING OVER OPEN VALLEYS AND OVER THE MOUNTAIN PASSES SUNDAY AFTERNOON. WIND GUSTS OF 30 TO 40 MPH ARE POSSIBLE SUNDAY AFTERNOON AND EVENING IN THESE AREAS. A COLD FRONT WILL PASS THROUGH THE AREA LATE SUNDAY NIGHT INTO MONDAY. THE COMBINATION OF GUSTY WINDS AND SNOW MAY CREATE LOCAL HAZARDOUS DRIVING CONDITIONS FROM SNOW AND BLOWING SNOW THROUGH MONDAY. .SPOTTER INFORMATION STATEMENT... WEATHER SPOTTERS ARE ENCOURAGED TO REPORT SIGNIFICANT WEATHER CONDITIONS ACCORDING TO STANDARD OPERATING PROCEDURES.
The office that day
Everything else NWS Missoula, MT issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Mar 15, 2:12 PM MDT | Wind Advisory | MSO | Clearwater, Idaho | 6 hr |
Nearby
Winter Storm Warnings in Montana, 2009Winter Storm Warnings in Idaho, 2009Every winter storm warning in 2009
Sources
The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; radar from the NEXRAD Level II archive.