Alert archive / Montana / Severe Thunderstorm Warnings in 1995

Severe Thunderstorm Warning 41, NWS Missoula, MT

August 7, 1995Missoula County, Montana

NWS Missoula, MT issued this severe thunderstorm warning at Aug 7, 1995, 12:07 PM MDT for Missoula County, Montana. It was in force for 53 min.

The area

The counties it named.

The facts

Issued
Aug 7, 1995, 12:07 PM MDT (18:07 UTC)
Expired
Aug 7, 1995, 1:00 PM MDT
In force
53 min
Issued by
NWS Missoula, MT
Area
Whole counties

County Missoula County, MT

The nearest sounding before it

Great_falls, MT (KTFX), launched 12:00Z, 6.1 hours before the alert went out and 255 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.

Skew-T log-pSkew-T log-p diagram, Great_falls, MT at 12:00Z on 1995-08-07Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 26 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Great_falls, MT at 12:00Z on 1995-08-07The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 146 square meters per square second.19395878Sfc1 km3 km6 km9 kmRMLM
The wind turning with height, colored by layer: ground to 1 km, 1 to 3 km, 3 to 6 km, 6 to 10 km.
Mixed-layer CAPE
26 J/kg
Mixed-layer CIN
-646 J/kg
Mixed-layer LCL
1623 m above ground
0-6 km bulk shear
46 kt
0-1 km storm-relative helicity
146 m²/s²
0-3 km storm-relative helicity
253 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted, in the capitals the NWS used until 2016.

000 
WUUS1 KMSO 071808 RRA
SVRMSO
MTC063-071900-
 
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE MISSOULA MT
1207 PM MDT MON AUG 7 1995
 
THE NATIONAL WEATHER SERVICE IN MISSOULA HAS ISSUED A
SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL  100 PM MDT
FOR PEOPLE IN THE FOLLOWING LOCATION...                     ...
 
IN WEST CENTRAL MONTANA
 
   ...WESTERN MISSOULA COUNTY
 
AT 1200 PM MDT MISSOULA DOPPLER WEATHER RADAR INDICATED A STRONG
THUNDERSTORM 6 MILES SOUTHEAST OF ALBERTON IN MISSOULA COUNTY. THIS
STORN IS MOVING TO THE NORTHEAST AT 30 MILES AN HOUR AND PRODUCING HEAVY
RAINFALL WITH STRONG WINDS AND FREQUENT LIGHTNING.
 
 
IF YOU ARE CAUGHT OUTSIDE...SEEK SHELTER FROM THE WEATHER IN A
STRONG BUILDING.  DAMAGING WIND...LARGE HAIL...VERY HEAVY RAIN...
AND DEADLY LIGHTNING ARE ALL POSSIBLE IN SEVERE THUNDERSTORMS.
STAY INSIDE AWAY FROM WINDOWS UNTIL THE STORM HAS PASSED.

What forecasters said that day

The local office's own words before this severe thunderstorm warning went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.

In the hours before

Special weather statement, Aug 7, 11:10 AM MDT, 57 minutes before
MTZ002-071910-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE MISSOULA MT
1110 AM MDT MON AUG 7 1995

...THUNDERSTORMS MOVING INTO WESTERN MONTANA...

AT 1100 AM MDT MISSOULA DOPPLER RADAR INDICATED A LINE OF THUNDERSTORMS
DEVELOPING OVER IDAHO AND MOVING INTO MINERAL COUNTY.  THUNDERSTORMS ARE
ALSO EXPECTED TO MOVE INTO MISSOULA AND RAVALLI COUNTIES IN THE NEXT FEW
HOURS. THESE STORMS WERE PRODUCING DANGEROUS LIGHTNING AND MAY BE
ACCOMPANIED BY GUSTY WINDS...HAIL AND BRIEF HEAVY RAIN AS THEY PASS
THROUGH THE AREA.

SEEK SHELTER IF THESE STORMS APPROACH YOUR AREA. STAY TUNED TO YOUR
LOCAL MEDIA FOR UPDATES ON THESE STORMS.

HARMER
Special weather statement, Aug 7, 11:14 AM MDT, 53 minutes before
MTZ002-071910-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE MISSOULA MT
1110 AM MDT MON AUG 7 1995

...THUNDERSTORMS MOVING INTO WESTERN MONTANA...

AT 1100 AM MDT MISSOULA DOPPLER RADAR INDICATED A LINE OF THUNDERSTORMS
DEVELOPING OVER IDAHO AND MOVING INTO MINERAL COUNTY.  THUNDERSTORMS ARE
ALSO EXPECTED TO MOVE INTO MISSOULA AND RAVALLI COUNTIES IN THE NEXT FEW
HOURS. THESE STORMS WERE PRODUCING DANGEROUS LIGHTNING AND MAY BE
ACCOMPANIEDx BY GUSTY WINDS...HAIL AND BRIEF HEAVY RAIN AS THEY PASS
THROUGH THE AREA.

SEEK SHELTER IF THESE STORMS APPROACH YOUR AREA. STAY TUNED TO YOUR
LOCAL MEDIA FOR UPDATES ON THESE STORMS.

HARMER

Nearby

Severe Thunderstorm Warnings in Montana, 1995Every severe thunderstorm warning in 1995

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.