Alert archive / Montana / Snow Advisories in 2006
Snow Advisory 8, NWS Missoula, MT
NWS Missoula, MT issued this snow advisory at Feb 3, 2006, 2:38 PM MST for 7 counties in Montana. It took effect at Feb 4, 2006, 5:00 AM MST. It was in force for 22 hr.
The area
The counties it named.
The facts
- Issued
- Feb 3, 2006, 2:38 PM MST (21:38 UTC)
- In effect from
- Feb 4, 2006, 5:00 AM MST
- Expired
- Feb 5, 2006, 3:14 AM MST
- In force
- 22 hr
- Issued by
- NWS Missoula, MT
Counties Flathead County, MT, Granite County, MT, Lake County, MT, Lincoln County, MT, Missoula County, MT, Powell County, MT, Sanders County, MT
The radar
The Missoula radar (KMSX), 52 km from the middle of the area, began a volume at 21:41 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.
The nearest sounding before it
Spokane, WA (KOTX), launched 12:00Z, 9.6 hours before the alert went out and 171 km from the middle of its area. This is the routine balloon launch nearest before it, the air the forecaster had in hand, not a measurement taken for the alert.
- Mixed-layer CAPE
- 0 J/kg
- Mixed-layer CIN
- No buoyant parcel
- Mixed-layer LCL
- 980 m above ground
- 0-6 km bulk shear
- 102 kt
- 0-1 km storm-relative helicity
- 183 m²/s²
- 0-3 km storm-relative helicity
- 185 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
What forecasters said that day
The local office's own words before this snow advisory 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 snow advisory went out at Feb 3, 2:31 PM MST, 7 minutes earlier.
Area forecast discussion, Feb 3, 2:31 PM MST, 7 minutes before
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</html>Hazardous weather outlook, Feb 3, 4:18 AM MST, 10 hours 20 minutes before
HAZARDOUS WEATHER OUTLOOK NATIONAL WEATHER SERVICE MISSOULA MT 418 AM MST FRI FEB 3 2006 IDZ005-006-MTZ001-002-004-006-041200- NORTHERN CLEARWATER MOUNTAINS-SOUTHERN CLEARWATER MOUNTAINS- KOOTENAI/CABINET REGION-WEST GLACIER REGION- LOWER CLARK FORK REGION-BITTERROOT/SAPPHIRE MOUNTAINS- 318 AM PST FRI FEB 3 2006 /418 AM MST FRI FEB 3 2006/ THIS HAZARDOUS WEATHER OUTLOOK IS FOR PORTIONS OF NORTH CENTRAL IDAHO...NORTHWEST MONTANA AND WEST CENTRAL MONTANA. .DAY ONE...TODAY AND TONIGHT SCATTERED SNOW SHOWERS WILL GRADUALLY DECREASE TODAY AND TONIGHT. .DAYS TWO THROUGH SEVEN...SATURDAY THROUGH THURSDAY A WINTER STORM WATCH IS IN EFFECT FOR THE MOUNTAINS OF WESTERN MONTANA AND NORTH CENTRAL IDAHO THROUGH SATURDAY NIGHT...PLEASE SEE GTFWSWMSO FOR FURTHER DETAILS. .SPOTTER INFORMATION STATEMENT... WEATHER SPOTTERS ARE ENCOURAGED TO REPORT SIGNIFICANT WEATHER CONDITIONS ACCORDING TO STANDARD OPERATING PROCEDURES. IDZ007-008-041200- OROFINO/GRANGEVILLE REGION-LOWER HELLS CANYON/SALMON RIVER REGION- 318 AM PST FRI FEB 3 2006 THIS HAZARDOUS WEATHER OUTLOOK IS FOR PORTIONS OF NORTH CENTRAL IDAHO. .DAY ONE...TODAY AND TONIGHT A WIND ADVISORY IS IN EFFECT FOR THE CAMAS PRAIRIE AND SALMON RIVER REGIONS FOR TONIGHT...PLEASE SEE GTFNPWMSO FOR FURTHER DETAILS. .DAYS TWO THROUGH SEVEN...SATURDAY THROUGH THURSDAY THE WIND ADVISORY CONTINUES TO BE IN EFFECT FOR THE CAMAS PRAIRIE AND SALMON RIVER REGIONS THROUGH SATURDAY...PLEASE SEE GTFNPWMSO FOR FURTHER DETAILS. .SPOTTER INFORMATION STATEMENT... WEATHER SPOTTERS ARE ENCOURAGED TO REPORT SIGNIFICANT WEATHER CONDITIONS ACCORDING TO STANDARD OPERATING PROCEDURES. IDZ009-010-MTZ007-043-041200- WESTERN LEMHI COUNTY-EASTERN LEMHI COUNTY-BUTTE/BLACKFOOT REGION- POTOMAC/SEELEY LAKE REGION- 418 AM MST FRI FEB 3 2006 THIS HAZARDOUS WEATHER OUTLOOK IS FOR PORTIONS OF NORTH CENTRAL IDAHO AND WEST CENTRAL MONTANA. .DAY ONE...TODAY AND TONIGHT SCATTERED SNOW SHOWERS WILL GRADUALLY DECREASE TODAY AND TONIGHT. .DAYS TWO THROUGH SEVEN...SATURDAY THROUGH THURSDAY A STRONGER WEATHER SYSTEM WILL MOVE ACROSS WESTERN MONTANA AND NORTH CENTRAL IDAHO ON SATURDAY. THIS SYSTEM WILL BRING WIDESPREAD SNOW TO THE MOUNTAINS WITH LIGHT TO MODERATE SNOW ACCUMULATIONS. RAIN WILL TURN TO SNOW IN THE VALLEYS SATURDAY NIGHT WITH LIGHT ACCUMULATIONS POSSIBLE. GUSTY SOUTHWEST TO WEST WINDS ARE EXPECTED IN THE HIGHER ELEVATIONS. .SPOTTER INFORMATION STATEMENT... WEATHER SPOTTERS ARE ENCOURAGED TO REPORT SIGNIFICANT WEATHER CONDITIONS ACCORDING TO STANDARD OPERATING PROCEDURES. MTZ003-005-041200- FLATHEAD/MISSION VALLEYS-MISSOULA/BITTERROOT VALLEYS- 418 AM MST FRI FEB 3 2006 THIS HAZARDOUS WEATHER OUTLOOK IS FOR PORTIONS OF NORTHWEST MONTANA AND WEST CENTRAL MONTANA. .DAY ONE...TODAY AND TONIGHT SCATTERED SNOW SHOWERS WILL GRADUALLY DECREASE TODAY AND TONIGHT. .DAYS TWO THROUGH SEVEN...SATURDAY THROUGH THURSDAY A STRONGER WEATHER SYSTEM WILL MOVE ACROSS WESTERN MONTANA AND NORTH CENTRAL IDAHO ON SATURDAY. THIS SYSTEM WILL PUSH A WARM FRONT THROUGH THE REGION...CAUSING THE VALLEYS TO CHANGE OVER TO ALL RAIN BY SATURDAY AFTERNOON. THEN A COLD FRONT SATURDAY NIGHT WHICH WILL ALLOW FOR THE RAIN TO TURN TO SNOW WITH LIGHT ACCUMULATIONS POSSIBLE. .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 |
|---|---|---|---|---|
| Feb 3, 3:32 AM MST | Winter Storm Watch | MSO | Flathead, Granite, Lake, Lincoln, Mineral, Missoula and 2 more | 13 days |
| Feb 3, 2:38 PM MST | Winter Storm Warning | MSO | Flathead, Granite, Lake, Mineral, Missoula, Ravalli and 1 more | 37 hr |
| Feb 3, 3:22 AM MST | Wind Advisory | MSO | Clearwater, Idaho | 34 hr |
| Feb 3, 2:41 PM MST | High Wind Warning | MSO | Clearwater, Idaho | 23 hr |
Nearby
Sources
The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.