Alert archive / Montana / Severe Thunderstorm Warnings in 1995

Severe Thunderstorm Warning 11, NWS Missoula, MT

June 26, 1995Granite County, Montana

NWS Missoula, MT issued this severe thunderstorm warning at Jun 26, 1995, 4:54 PM MDT for Granite County, Montana. It was in force for 21 min.

The area

The counties it named.

The facts

Issued
Jun 26, 1995, 4:54 PM MDT (22:54 UTC)
Expired
Jun 26, 1995, 5:15 PM MDT
In force
21 min
Issued by
NWS Missoula, MT
Area
Whole counties

County Granite County, MT

The nearest sounding before it

Great_falls, MT (KTFX), launched 12:00Z, 10.9 hours before the alert went out and 246 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 1995-06-26Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCL10008507005003002001001 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 1995-06-26The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 16 square meters per square second.193958Sfc1 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
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
2451 m above ground
0-6 km bulk shear
31 kt
0-1 km storm-relative helicity
16 m²/s²
0-3 km storm-relative helicity
41 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 262254 RRA
SVRMSO
BULLETIN-EBS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE MISSOULA, MT
454 PM MDT MON JUN 26 1995
MTC039-262315-

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE MISSOULA MT
445 PM MDT MON JUN 26 1995

THE NATIONAL WEATHER SERVICE IN MISSOULA HAS ISSUED A
SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL  515 PM MDT
FOR PEOPLE IN THE FOLLOWING LOCATION...

IN SOUTHWEST MONTANA

   ...GRANITE COUNTY

MISSOULA DOPPLER RADAR INDICATED A SEVERE THUNDERSTORM AT PHILLIPSBURG
MOVING NORTHEAST AT 25 MILES AN HOUR.
LARGE HAIL...STRONG WIND...AND BRIEF VERY HEAVY RAIN IS EXPECTED
FROM THIS STORM.

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.
GV

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, Jun 26, 3:10 PM MDT, 1 hour 44 minutes before
MTZ001-004-262205-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE MISSOULA MT
 305 PM MDT MON JUN 26 1995

...STRONG THUNDERSTORMS MOVING INTO WESTERN MONTANA...

A CLUSTER OF STRONG THUNDERSTORMS DEVELOPED IN IDAHO AND WAS
MOVING INTO MONTANA. AT 300 PM MDT DOPPLER RADAR SHOWED THE STRONGEST
THUNDERSTORM NEAR PAINTED ROCKS LAKE OF SOUTHERN RAVALLI COUNTY.
IT WAS PART OF A LARGER CLUSTER MOVING EASTWARD BETWEEN DARBY MONTANA
AND SALMON IDAHO. PEA SIZED HAIL WAS REPORTED AT SULA FROM ONE OF THE
WEAKER THUNDERSTORMS. THE THUNDERSTORMS WERE MOVING EAST AT ABOUT 20
MILES AN HOUR.

THESE THUNDERSTORMS HAVE POTENTIAL FOR HAIL AND GUSTY WIND AS WELL
AS DANGEROUS LIGHTNING AND BRIEF HEAVY RAIN. SEEK SHELTER FROM THESE
THUNDERSTORMS AND DO NOT TRY TO DRIVE THROUGH CREEKS IF WATER IS
OVER THE ROAD. GV

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.