Alert archive / Montana / Snow Advisories in 2008
Snow Advisory 8, NWS Missoula, MT
NWS Missoula, MT issued this snow advisory at Jan 27, 2008, 4:10 AM MST for 5 counties in Montana; Clearwater County, Idaho County, Lemhi County, Idaho. It took effect at Jan 27, 2008, 10:49 AM MST. It was in force for 23 hr.
The area
The counties it named.
The facts
- Issued
- Jan 27, 2008, 4:10 AM MST (11:10 UTC)
- In effect from
- Jan 27, 2008, 10:49 AM MST
- Expired
- Jan 28, 2008, 9:25 AM MST
- In force
- 23 hr
- Issued by
- NWS Missoula, MT
Counties Clearwater County, ID, Idaho County, ID, Lemhi County, ID, Granite County, MT, Lake County, MT, Missoula County, MT, Powell County, MT, Ravalli County, MT
The radar
The Missoula radar (KMSX), 69 km from the middle of the area, began a volume at 11:11 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 00:00Z, 11.2 hours before the alert went out and 218 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
- 446 m above ground
- 0-6 km bulk shear
- 78 kt
- 0-1 km storm-relative helicity
- 362 m²/s²
- 0-3 km storm-relative helicity
- 421 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 Jan 27, 4:06 AM MST, 4 minutes earlier.
Area forecast discussion, Jan 27, 4:06 AM MST, 4 minutes before
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</html>Hazardous weather outlook, Jan 26, 3:15 PM MST, 12 hours 55 minutes before
HAZARDOUS WEATHER OUTLOOK...CORRECTION NATIONAL WEATHER SERVICE MISSOULA MT 315 PM MST SAT JAN 26 2008 MTZ001>004-043-271200- KOOTENAI/CABINET REGION-WEST GLACIER REGION-FLATHEAD/MISSION VALLEYS- LOWER CLARK FORK REGION-POTOMAC/SEELEY LAKE REGION- 315 PM MST SAT JAN 26 2008 THIS HAZARDOUS WEATHER OUTLOOK IS FOR PORTIONS OF NORTHWEST MONTANA AND WEST CENTRAL MONTANA. FOR THE LATEST INFORMATION ON WATCHES...WARNINGS AND ADVISORIES...GO TO WEATHER.GOV/MISSOULA. .DAY ONE...TONIGHT AND SUNDAY AN ACTIVE PATTERN WILL CONTINUE INTO SUNDAY AS A POTENT WINTER STORM MOVES ACROSS WESTERN MONTANA. SIGNIFICANT SNOWFALL AMOUNTS ARE EXPECTED IN THE MOUNTAINS...WITH LESSER AMOUNTS IN THE VALLEYS. AN ARCTIC FRONT WILL CROSS OVER THE DIVIDE SUNDAY AFTERNOON AND BEGIN TO MOVE SOUTHWEST ACROSS THE AREA CREATING WINDY CONDITIONS. BLOWING AND DRIFTING SNOW MAY BECOME A SIGNIFICANT PROBLEM ALONG THE US HIGHWAY 2 CORRIDOR BETWEEN KALISPELL AND MARIAS PASS. .DAYS TWO THROUGH SEVEN...SUNDAY NIGHT THROUGH FRIDAY THE FRONT WILL STALL OVER THE AREA MONDAY MORNING. PERIODS OF SNOW WILL REMAIN POSSIBLE THROUGH MID WEEK AS A SERIES OF UPPER LEVEL DISTURBANCES MOVE OVERTOP THE STALLED FRONT...PRODUCING ADDITIONAL SNOWFALL. .SPOTTER INFORMATION STATEMENT... WEATHER SPOTTERS ARE ENCOURAGED TO REPORT SIGNIFICANT WEATHER CONDITIONS ACCORDING TO STANDARD OPERATING PROCEDURES. IDZ005-006-009-MTZ006-271200- CLEARWATER MOUNTAINS-WESTERN LEMHI COUNTY-BITTERROOT/SAPPHIRE MOUNTAINS- 315 PM MST SAT JAN 26 2008 /441 AM PST SAT JAN 26 2008/ THIS HAZARDOUS WEATHER OUTLOOK IS FOR PORTIONS OF NORTH CENTRAL IDAHO AND WEST CENTRAL MONTANA. FOR THE LATEST INFORMATION ON WATCHES...WARNINGS AND ADVISORIES...GO TO WEATHER.GOV/MISSOULA. .DAY ONE...TONIGHT AND SUNDAY A WINTER STORM IS EXPECTED TO MOVE INTO NORTH CENTRAL IDAHO AND WESTERN MONTANA BEGINNING THIS EVENING LASTING THROUGH SUNDAY. HEAVY SNOWFALL ACCUMULATIONS WILL MAKE TRAVEL OVER LOLO PASS DIFFICULT DURING THIS PERIOD. .DAYS TWO THROUGH SEVEN...SUNDAY NIGHT THROUGH FRIDAY PERIODS OF MODERATE SNOWFALL WILL REMAIN POSSIBLE IN THE MOUNTAINS THROUGH MID WEEK AS A SERIES OF DISTURBANCES MOVE ACROSS THE AREA. .SPOTTER INFORMATION STATEMENT... WEATHER SPOTTERS ARE ENCOURAGED TO REPORT SIGNIFICANT WEATHER CONDITIONS ACCORDING TO STANDARD OPERATING PROCEDURES. MTZ005-007-271200- MISSOULA/BITTERROOT VALLEYS-BUTTE/BLACKFOOT REGION- 315 PM MST SAT JAN 26 2008 THIS HAZARDOUS WEATHER OUTLOOK IS FOR PORTIONS OF WEST CENTRAL MONTANA. FOR THE LATEST INFORMATION ON WATCHES...WARNINGS AND ADVISORIES...GO TO WEATHER.GOV/MISSOULA. .DAY ONE...TONIGHT AND SUNDAY A MIX OF SNOW...RAIN AND LIGHT FREEZING RAIN WILL REMAIN POSSIBLE THROUGH SUNDAY AFTERNOON AS A WARM AND MOIST AIRMASS MOVES OVER TOP THE COLDER AIR THAT IS TRAPPED IN THE VALLEYS. .DAYS TWO THROUGH SEVEN...SUNDAY NIGHT THROUGH FRIDAY A COLD FRONT WILL MOVE EAST ACROSS THE AREA SUNDAY EVENING... CHANGING THE PRECIPITATION OVER TO ALL SNOW. ANOTHER FRONT...AN ARCTIC FRONT...WILL MOVE SOUTH FROM THE FLATHEAD VALLEY AND STALL JUST TO THE NORTH BY MONDAY MORNING. PERIODS OF SNOW WILL REMAIN POSSIBLE THROUGH MID WEEK AS A SERIES OF UPPER LEVEL DISTURBANCES MOVE OVERTOP THE STALLED FRONT...PRODUCING ADDITIONAL SNOWFALL. .SPOTTER INFORMATION STATEMENT... WEATHER SPOTTERS ARE ENCOURAGED TO REPORT SIGNIFICANT WEATHER CONDITIONS ACCORDING TO STANDARD OPERATING PROCEDURES. IDZ007-008-271200- OROFINO/GRANGEVILLE REGION-LOWER HELLS CANYON/SALMON RIVER REGION- 441 AM PST SAT JAN 26 2008 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...TONIGHT AND SUNDAY WINDS WILL INCREASE ACROSS THE CAMAS PRAIRIE AND ALONG THE U.S. HIGHWAY 95 CORRIDOR SOUTH TO RIGGINS THROUGH SUNDAY. WIND GUSTS TO NEAR 50 MPH ARE POSSIBLE. .DAYS TWO THROUGH SEVEN...SUNDAY NIGHT THROUGH FRIDAY AS THE WINDS SHIFT TO THE NORTH SUNDAY EVENING...SNOW WILL DEVELOP. THE COMBINATION OF BREEZY WINDS AND FALLING SNOW MAY CREATE TRAVELLING DIFFICULTIES INTO MONDAY. .SPOTTER INFORMATION STATEMENT... WEATHER SPOTTERS ARE ENCOURAGED TO REPORT SIGNIFICANT WEATHER CONDITIONS ACCORDING TO STANDARD OPERATING PROCEDURES. WEATHER.GOV/MISSOULA
The office that day
Everything else NWS Missoula, MT issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jan 26, 5:44 PM MST | Winter Weather Advisory | MSO | Flathead, Granite, Lake, Missoula, Powell, Ravalli and 1 more | 21 hr |
| Jan 26, 8:37 PM MST | Winter Storm Warning | MSO | Flathead, Lake, Mineral, Missoula, Sanders | 36 hr |
| Jan 27, 2:57 PM MST | Snow and Blowing Snow Advisory | MSO | Flathead, Lake, Sanders | 2 hr |
| Jan 27, 4:10 AM MST | Snow and Blowing Snow Advisory | MSO | Clearwater, Idaho | 7 hr |
| Jan 27, 1:02 PM MST | Wind Advisory | MSO | Clearwater, Idaho | 6 hr |
Nearby
Snow Advisories in Montana, 2008Snow Advisories in Idaho, 2008Every snow advisory in 2008
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.