Alert archive / Montana / Winter Storm Watches in 2009

Winter Storm Watch 4, NWS Missoula, MT

February 24, 20097 counties in Montana

NWS Missoula, MT issued this winter storm watch at Feb 24, 2009, 3:06 PM MST for 7 counties in Montana. It took effect at Feb 25, 2009, 2:00 PM MST. It was in force for .

The area

The counties it named.

The facts

Issued
Feb 24, 2009, 3:06 PM MST (22:06 UTC)
In effect from
Feb 25, 2009, 2:00 PM MST
Expired
Feb 25, 2009, 4:32 AM MST
In force
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 22:08 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 watch 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 watch went out at Feb 24, 8:51 AM MST, 6 hours 15 minutes earlier.

Area forecast discussion, Feb 24, 8:51 AM MST, 6 hours 15 minutes before
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Hazardous weather outlook, Feb 24, 5:57 AM MST, 9 hours 9 minutes before
HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE MISSOULA MT
557 AM MST TUE FEB 24 2009

MTZ002-004-250000-
WEST GLACIER REGION-LOWER CLARK FORK REGION-
557 AM MST TUE FEB 24 2009

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...TODAY AND TONIGHT

A WINTER WEATHER ADVISORY IS IN EFFECT FOR LOOKOUT AND MARIAS PASS.

.DAYS TWO THROUGH SEVEN...WEDNESDAY THROUGH MONDAY

WEDNESDAY AND THURSDAY...ARCTIC AIR IS EXPECTED TO MOVE WEST OF THE
CONTINENTAL DIVIDE. STRONG NORTHEAST WINDS WILL BE PRESENT AT TIMES
AS THE COLD DENSE AIR MOVES TO LOWER ELEVATIONS. THE COMBINATION
OF ARCTIC AIR IN PLACE WITH WARM MOIST WESTERLY FLOW MAY PRODUCE
SIGNIFICANT ACCUMULATING MOUNTAIN SNOW.

.SPOTTER INFORMATION STATEMENT...

WEATHER SPOTTERS ARE ENCOURAGED TO REPORT SIGNIFICANT WEATHER
CONDITIONS ACCORDING TO STANDARD OPERATING PROCEDURES.

IDZ006-MTZ006-250000-
SOUTHERN CLEARWATER MOUNTAINS-BITTERROOT/SAPPHIRE MOUNTAINS-
557 AM MST TUE FEB 24 2009 /457 AM PST TUE FEB 24 2009/

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...TODAY AND TONIGHT

A WINTER WEATHER ADVISORY IS IN EFFECT FOR LOLO PASS.

.DAYS TWO THROUGH SEVEN...WEDNESDAY THROUGH MONDAY

A CONTINUED PROGRESSIVE AND MOIST PATTERN WILL BE PRESENT THROUGH
EARLY NEXT WEEK. MODERATE SNOW ACCUMULATIONS IN THE MOUNTAINS ARE
POSSIBLE.

.SPOTTER INFORMATION STATEMENT...

WEATHER SPOTTERS ARE ENCOURAGED TO REPORT SIGNIFICANT WEATHER
CONDITIONS ACCORDING TO STANDARD OPERATING PROCEDURES.

MTZ003-250000-
FLATHEAD/MISSION VALLEYS-
557 AM MST TUE FEB 24 2009

THIS HAZARDOUS WEATHER OUTLOOK IS FOR PORTIONS OF NORTHWEST
MONTANA.

.DAY ONE...TODAY AND TONIGHT

NO HAZARDOUS WEATHER EXPECTED AT THIS TIME.

.DAYS TWO THROUGH SEVEN...WEDNESDAY THROUGH MONDAY

WEDNESDAY AND THURSDAY...ARCTIC AIR IS EXPECTED TO MOVE WEST OF
THE CONTINENTAL DIVIDE. STRONG NORTHEAST WINDS WILL BE PRESENT AT
TIMES NEAR BADROCK CANYON EAST OF KALISPELL AS THE COLD DENSE AIR
ARRIVES. THE COMBINATION OF ARCTIC AIR IN PLACE WITH WARM MOIST
WESTERLY FLOW MAY PRODUCE SIGNIFICANT ACCUMULATING MOUNTAIN SNOW.

.SPOTTER INFORMATION STATEMENT...

WEATHER SPOTTERS ARE ENCOURAGED TO REPORT SIGNIFICANT WEATHER
CONDITIONS ACCORDING TO STANDARD OPERATING PROCEDURES.

Nearby

Winter Storm Watches in Montana, 2009Every winter storm watch 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.