Alert archive / Montana / Snow Advisories in 2008

Snow Advisory 38, NWS Missoula, MT

April 5, 20086 counties in Montana

NWS Missoula, MT issued this snow advisory at Apr 5, 2008, 11:54 AM MDT for 6 counties in Montana. It took effect at Apr 5, 2008, 12:00 PM MDT. It was in force for 5 hr.

The area

The counties it named.

The facts

Issued
Apr 5, 2008, 11:54 AM MDT (17:54 UTC)
In effect from
Apr 5, 2008, 12:00 PM MDT
Expired
Apr 5, 2008, 5:03 PM MDT
In force
5 hr
Issued by
NWS Missoula, MT

Counties Deer Lodge County, MT, Granite County, MT, Lake County, MT, Missoula County, MT, Powell County, MT, Silver Bow County, MT

The radar

The Missoula radar (KMSX), 65 km from the middle of the area, began a volume at 17:59 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 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 Apr 4, 2:10 PM MDT, 21 hours 44 minutes earlier.

Area forecast discussion, Apr 4, 2:10 PM MDT, 21 hours 44 minutes before
AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE MISSOULA MT
210 PM MDT FRI APR 4 2008

.DISCUSSION...TONIGHT AND SATURDAY...A STRONG LOW PRESSURE SYSTEM
WILL MOVE THROUGH THE NORTHERN ROCKIES TONIGHT AND EARLY TOMORROW
MORNING. MOST AREAS SOUTH OF LIBBY AND KALISPELL SHOULD SEE
MEASURABLE SNOW...WITH MOUNTAINS RECEIVING HEAVY AMOUNTS. MODELS
ARE SUGGESTING THE HEAVIEST SNOW WILL BE OVER THE BOB MARSHALL
WILDERNESS...AND THROUGH THE SEELEY/SWAN REGION. VARIOUS HIGHLIGHT
PRODUCTS ARE OUT. PLEASE SEE OUR WEBSITE HTTP://WEATHER.GOV/MISSOULA
FOR DETAILS.

SUNDAY THROUGH WEDNESDAY...EXPECT A SHOWERY WEATHER PATTERN WITH
COOLER THAN NORMAL TEMPERATURES THROUGH WEDNESDAY AS A LONG WAVE
TROUGH OF LOW PRESSURE CONTINUES OVER THE WESTERN U.S. WEAK
WEATHER DISTURBANCES WILL MOVE OVER THE NORTHERN ROCKIES
THROUGH THIS BROAD TROUGH.

THURSDAY AND FRIDAY...BOTH THE GFS AND EUROPEAN LONG RANGE MODELS ARE
INDICATING A BUILDING RIDGE OVER THE PACIFIC NORTHWEST. THIS RIDGE
WILL HELP TO BOOST TEMPERATURES BACK TO NEAR OR SLIGHTLY ABOVE
NORMAL...MID TO UPPER 50S...WITH MAINLY DRY WEATHER IN THE VALLEYS.
MOUNTAIN SHOWERS ARE POSSIBLE WITH THIS DIRTY RIDGE.

&&

.AVIATION...DIMINISHING FLIGHT CONDITIONS ARE EXPECTED TO PREVAIL
THIS EVENING AS A LOW PRESSURE SYSTEM MOVES THROUGH THE NORTHERN
ROCKIES OVER THE NEXT 24 HOURS. MOUNTAINS AND PASSES WILL BE
OBSCURED DURING THIS TIME FRAME.

&&

.MSO WATCHES/WARNINGS/ADVISORIES...
MT...SNOW ADVISORY FROM 6 PM THIS EVENING TO 6 AM MDT SATURDAY FOR
     LOWER CLARK FORK REGION.

     SNOW ADVISORY FROM MIDNIGHT TONIGHT TO 12 PM MDT SATURDAY ABOVE
     3500 FEET FOR WEST GLACIER REGION.

     SNOW ADVISORY FROM 6 PM THIS EVENING TO 6 AM MDT SATURDAY FOR
     BITTERROOT/SAPPHIRE MOUNTAINS.

     WINTER STORM WARNING FROM MIDNIGHT TONIGHT TO 12 PM MDT SATURDAY
     ABOVE 4000 FEET FOR POTOMAC/SEELEY LAKE REGION.

     WINTER STORM WARNING FROM MIDNIGHT TONIGHT TO 12 PM MDT SATURDAY
     ABOVE 6000 FEET FOR BUTTE/BLACKFOOT REGION.

ID...SNOW ADVISORY FROM 5 PM THIS AFTERNOON TO 5 AM PDT SATURDAY FOR
     NORTHERN CLEARWATER MOUNTAINS-SOUTHERN CLEARWATER MOUNTAINS.

&&

SHORT TERM/AVIATION...STEGEMILLER
LONG TERM....RPN
Hazardous weather outlook, Apr 4, 2:10 PM MDT, 21 hours 44 minutes before
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Nearby

Snow Advisories in Montana, 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; radar from the NEXRAD Level II archive.