Severe Thunderstorm Warning 43, NWS Missoula, MT

Issued

Aug 7, 1997, 3:55 PM MDT (21:55 UTC)

Expired

Aug 7, 1997, 4:30 PM MDT

In force

35 min

Issued by

NWS Missoula, MT

Area

Whole counties

County Lake County, MT

NCEI Storm Data entries that began inside the alert's area while it was in force. Before 2003 the local storm report archive is thin, so this is the record of what happened rather than what was phoned in.

000 
TTAA00 KMSO 072155
SVRMSO
MTC047-072230-
 
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE MISSOULA MT
355 PM MDT THU AUG 7 1997
 
THE NATIONAL WEATHER SERVICE IN MISSOULA HAS ISSUED A
SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL  430 PM MDT
FOR PEOPLE IN THE FOLLOWING LOCATION...
 
IN WEST CENTRAL MONTANA
 
   ...NORTHERN LAKE COUNTY
 
AT 355 PM MDT...MISSOULA RADAR INDICATED A LINE OF SEVERE THUNDERSTORMS
EXTENDING FROM YELLOW BAY THROUGH POLSON SOUTHWARD TO RONAN. THESE
STORMS ARE MOVING NORTHEAST AT 25 MPH AND WILL MOVE OVER MISSION
MOUNTAINS INTO THE SWAN VALLEY BY 420 PM MDT.
 
SEVERE THUNDERSTORMS PRODUCE DAMAGING WIND IN EXCESS OF 55
MPH...DESTRUCTIVE HAIL...ZDEADLY LIGHTNING...AND VERY HEAVY RAIN.
FOR YOUR PROTECTION MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR
OF YOUR HOME OR BUSINESS.  HEAVY RAINS FLOOD ROADS QUICKLY SO
DON'T DRIVE INTO AREAS WHERE WATER COVERS THE ROAD.

NWS Missoula, MT wrote its last area forecast discussion before this severe thunderstorm warning went out at Aug 7, 1:45 PM MDT, 2 hours 10 minutes earlier.

WESTERN MONTANA AND NORTH CENTRAL IDAHO FORECAST DISCUSSION
NATIONAL WEATHER SERVICE MISSOULA MT
145 PM MDT THU AUG 7 1997

SFC FRONT STILL EXTENDS FROM EXTREME NORTHWEST MT TO SOUTHEAST WA.
ISOLATED TSTMS IN PANHANDLE AND NORTHWEST MONTANA WITH FIRST WARNING
JUST ISSUED FOR STORM NEAR FCA. BUILDUPS STILL OCCURRING AHEAD OF
FRONT OVER CENTRAL ID/SOUTHWEST MT SO NOT OUT OF WOODS YET IN THESE
AREAS SINCE FRONT/ASSOCIATED SHORTWAVE STILL YET TO PUSH EAST...WHICH
SHOULD TRIGGER SCATTERED TSTMS IN THESE AREAS BY LATE AFTERNOON DUE
TO VERY UNSTABLE ATMOSPHERE. BECOMING COOL AND DRY BEHIND FRONT BUT
CHANNELED VORT WITH SOME MOISTURE WORKING THROUGH WEST MONTANA LATER
FRIDAY INTO SATURDAY. DYNAMICS LACKING SO MAY ONLY MENTION ISOLATED
SHOWERS OVER THE NORTHERN MOUNTAINS. BELTZ

...FORECASTS BELOW ARE PRELIMINARY AND SUBJECT TO CHANGE...
LIB .. 047/074 045/073 ... 2710-1
FCA BB 049/075 046/073 046 2710-1
POL .. 053/077 051/075 ... 271001
MSO BB 052/080 048/078 048 27200-
HMM .. 049/082 046/080 ... 272000
BTM .. 048/080 045/077 ... 273000
S80 .. 056/081 051/080 ... 271000
P69 .. 058/083 053/082 ... 272000
SMN .. 050/083 047/082 ... 272000

Severe Thunderstorm Warnings in Montana, 1997Every severe thunderstorm warning in 1997

The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; verification from NCEI's Storm Data; the sounding from the Mesonet's radiosonde archive.