Alert archive / Montana / Severe Thunderstorm Warnings in 1992
Severe Thunderstorm Warning 3, NWS Missoula, MT
NWS Missoula, MT issued this severe thunderstorm warning at Jun 28, 1992, 3:10 PM MDT for Missoula County, Montana. It was in force for 65 min.
The area
The counties it named.
The facts
- Issued
- Jun 28, 1992, 3:10 PM MDT (21:10 UTC)
- Expired
- Jun 28, 1992, 4:15 PM MDT
- In force
- 65 min
- Issued by
- NWS Missoula, MT
- Area
- Whole counties
County Missoula County, MT
The nearest sounding before it
Great Falls, MT (KGTF), launched 12:00Z, 9.2 hours before the alert went out and 204 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.
- Mixed-layer CAPE
- 51 J/kg
- Mixed-layer CIN
- -35 J/kg
- Mixed-layer LCL
- 743 m above ground
- 0-6 km bulk shear
- 20 kt
- 0-1 km storm-relative helicity
- -3 m²/s²
- 0-3 km storm-relative helicity
- 32 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
000 TTAA00 KMSO 282112 SVRMSO MTC063-282215- BULLETIN - IMMEDIATE BROADCAST REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE MISSOULA MT 310 PM MDT SUN JUN 28 1992 THE NATIONAL WEATHER SERVICE IN MISSOULA HAS ISSUED A SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL 415 PM MDT FOR PEOPLE IN THE FOLLOWING LOCATIONS...... IN WEST CENTRAL MONTANA ...SOUTHEASTERN MISSOULA COUNTY... MISSOULA WEATHER RADAR LOCATED A SEVERE THUNDERSTORM 4 MILES SOUTH-SOUTHEAST OF CLINTON IN MISSOULA COUNTY MOVING TO THE NORTHEAST AT 15 TO 20 MPH. SEVERE THUNDERSTORMS PRODUCE DAMAGING WIND IN EXCESS OF 55 MPH...DESTRUCTIVE HAIL...DEADLY 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.
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 28, 2:26 PM MDT, 44 minutes before
MTZ002-282300- SPECIAL WEATHER STATEMENT AND RADAR SUMMARY NATIONAL WEATHER SERVICE MISSOULA MT 215 PM MDT SUN JUN 28 1992 AT 2 PM MISSOULA WEATHER RADAR WAS DETECTING STRONG THUNDERSTORMS OVER MUCH OF RAVALLI AND GRANITE COUNTIES. THESE THUNDERSTORMS ARE MOVING NORTHEAST AT 15 TO 20 MPH. THE STRONGEST STORM CONTINUES TO BE THE ONE LOCATED IN RAVALLI COUNTY WHICH WILL PROBABLY CROSS U.S. HIGHWAY 93 BETWEEN SULA AND CONNER IN A HALF HOUR OR SO. ANOTHER STRONG STORM WAS LOCATED JUST WEST OF DRUMMOND AND WILL MOVE UP THROUGH THE HELMVILLE AREA IN THE NEXT HOUR. THESE THUNDERSTORMS WILL LIKELY CONTAIN HEAVY RAIN...POSSIBLY LARGE HAIL AND STRONG WINDS. IN ADDITION...A SEVERE THUNDERSTORM WATCH IS IN EFFECT THROUGH THIS EVENING FOR ALL OF WESTERN MONTANA AS CONDITIONS ARE FAVORABLE FOR THE DEVELOPMENT OF SEVERE THUNDERSTORMS. REMEMBER...A WATCH MEANS SEVERE THUNDERSTORMS ARE POSSIBLE...BUT NOT ACTUALLY OCCURRING. WARNINGS WILL BE ISSUED FOR SEVERE THUNDERSTORMS AS THEY OCCUR. STAY TUNED TO NOAA WEATHER RADIO OR LOCAL T.V. AND RADIO FOR MORE INFORMATION. END/RICHMOND
The office that day
Everything else NWS Missoula, MT issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 28, 1:42 PM MDT | Severe Thunderstorm Warning | MSO | Ravalli | 63 min |
| Jun 28, 3:15 PM MDT | Severe Thunderstorm Warning | MSO | Granite | 60 min |
Nearby
Severe Thunderstorm Warnings in Montana, 1992Every severe thunderstorm warning in 1992
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.