Alert archive / Montana / Severe Thunderstorm Warnings in 1995

Severe Thunderstorm Warning 39, NWS Missoula, MT

July 28, 1995Missoula County, Montana

NWS Missoula, MT issued this severe thunderstorm warning at Jul 28, 1995, 10:12 PM MDT for Missoula County, Montana. It was in force for 43 min.

The area

The counties it named.

The facts

Issued
Jul 28, 1995, 10:12 PM MDT (04:12 UTC)
Expired
Jul 28, 1995, 10:55 PM MDT
In force
43 min
Issued by
NWS Missoula, MT
Area
Whole counties

County Missoula County, MT

The nearest sounding before it

Spokane, WA (KOTX), launched 00:00Z, 4.2 hours before the alert went out and 201 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, Spokane, WA at 00:00Z on 1995-07-29Temperature 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°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Spokane, WA at 00:00Z on 1995-07-29The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 37 square meters per square second.1939587897117Sfc1 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
3702 m above ground
0-6 km bulk shear
54 kt
0-1 km storm-relative helicity
37 m²/s²
0-3 km storm-relative helicity
149 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 290412 RRA
SVRMSO
MTC063-290500-
 
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE MISSOULA MT
1012 PM MDT FRI JUL 28 1995
 
THE NATIONAL WEATHER SERVICE IN MISSOULA HAS ISSUED A
SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL 1100 PM MDT
FOR PEOPLE IN THE FOLLOWING LOCATION...                     ...
 
IN WEST CENTRAL MONTANA
 
   ...SOUTHERN MISSOULA COUNTY
 
AT 1015 PM MDT...MISSOULA DOPPLER RADAR INDICATED A SEVERE THUNDERSTORM
10 MILES SOUTH OF MISSOULA. THIS STORM IS MOVING TO THE NORTHEAST AT 30
MILES AN HOUR. WEATHER SPOTTERS IN LOLA AREA HAVE REPORTED ONE INCH HAIL
WITH 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.
 
 
 
&

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, Jul 28, 8:15 PM MDT, 1 hour 57 minutes before
MTZ002-290345-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE MISSOULA MT
815 PM MDT FRI JUL 28 1995

...THUNDERSTORMS MOVING INTO WEST CENTRAL MONTANA BY 930 PM...

AT 810 PM MDT...MISSOULA DOPPLER RADAR INDICATED A SEVERE THUNDERSTORM
IN NORTH CENTRAL IDAHO ABOUT 60 MILES SOUTHEAST OF LEWISTOWN IDAHO.
THIS STORM PRODUCED QUARTER SIZED HAIL AT THE TOWN OF KAMIAH AND IS
MOVING TO TO THE NORTHEAST AT 35 MPH.

IF THE STORM CONTINUES AT ITS CURRENT SPEED AND DIRECTION...IT WILL
REACH MONTANA ABOUT 915 PM MDT...AND PASS JUST SOUTH OF THE CITY OF
MISSOULA.  THIS STORM HAS ALREADY PRODUCED DAMAGING HAIL.  PERSONS WITH
OUTDOOR ACTIVITIES IN MISSOULA AND RAVALLI COUNTIES THROUGH THE EVENING
SHOULD BE PREPARED FOR RAPIDLY CHANGING WEATHER CONDITIONS...AND BE
PREPARED TO SEEK SHELTER WHEN THUNDERSTORMS APPROACH.

STAY TUNDED TO YOUR LOCAL MEDIA FOR UPDATES ON THIS STORM.

END/BARKER
Special weather statement, Jul 28, 8:18 PM MDT, 1 hour 54 minutes before
MTZ002-290345-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE MISSOULA MT
815 PM MDT FRI JUL 28 1995

...THUNDERSTORMS MOVING INTO WEST CENTRAL MONTANA BY 930 PM...

AT 810 PM MDT...MISSOULA DOPPLER RADAR INDICATED A SEVERE THUNDERSTORM
IN NORTH CENTRAL IDAHO ABOUT 60 MILES SOUTHEAST OF LEWISTOWN IDAHO.
THIS STORM PRODUCED QUARTER SIZED HAIL AT THE TOWN OF KAMIAH AND IS
MOVING TO TO THE NORTHEAST AT 35 MPH.

IF THE STORM CONTINUES AT ITS CURRENT SPEED AND DIRECTION...IT WILL
REACH MONTANA ABOUT 915 PM MDT...AND PASS JUST SOUTH OF THE CITY OF
MISSOULA.  THIS STORM HAS ALREADY PRODUCED DAMAGING HAIL.  PERSONS WITH
OUTDOOR ACTIVITIES IN MISSOULA AND RAVALLI COUNTIES THROUGH THE EVENING
,SHOULD BE PREPARED FOR RAPIDLY CHANGING WEATHER CONDITIONS...AND BE
PREPARED TO SEEK SHELTER WHEN THUNDERSTORMS APPROACH.

STAY TUNDED TO YOUR LOCAL MEDIA FOR UPDATES ON THIS STORM.

END/BARKER

The office that day

Everything else NWS Missoula, MT issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Jul 28, 9:22 PM MDTSevere Thunderstorm WarningMSOMissoula53 min
Jul 28, 10:52 PM MDTSevere Thunderstorm WarningMSOPowell33 min

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.