Alert archive / Montana / Severe Thunderstorm Warnings in 1995
Severe Thunderstorm Warning 21, NWS Great Falls, MT
NWS Great Falls, MT issued this severe thunderstorm warning at Jun 15, 1995, 8:51 PM MDT for Cascade County, Judith Basin County, Lewis and Clark County, Montana. It was in force for 69 min.
The area
The counties it named.
The facts
- Issued
- Jun 15, 1995, 8:51 PM MDT (02:51 UTC)
- Expired
- Jun 15, 1995, 10:00 PM MDT
- In force
- 69 min
- Issued by
- NWS Great Falls, MT
- Area
- Whole counties
Counties Cascade County, MT, Judith Basin County, MT, Lewis and Clark County, MT
The radar
The Great Falls radar (KTFX), 34 km from the middle of the area, began a volume at 02:53 UTC, the scan nearest the moment this went out.
Open the radar archive at this moment
The archived warnings, watches and discussions in force at that minute are drawn over the scan, this one among them.
The nearest sounding before it
Great_falls, MT (KTFX), launched 00:00Z, 2.9 hours before the alert went out and 65 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
- 2002 J/kg
- Mixed-layer CIN
- -59 J/kg
- Mixed-layer LCL
- 960 m above ground
- 0-6 km bulk shear
- 54 kt
- 0-1 km storm-relative helicity
- 110 m²/s²
- 0-3 km storm-relative helicity
- 256 m²/s²
- Significant tornado parameter
- 1.7
- Supercell composite
- 7.7
The text
As transmitted, in the capitals the NWS used until 2016.
000 TTAA00 KGTF 160253 RRA SVRGTF MTC013-045-049-160400- BULLETIN - IMMEDIATE BROADCAST REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE GREAT FALLS MT 851 PM MDT THU JUN 15 1995 THE NATIONAL WEATHER SERVICE IN GREAT FALLS HAS ISSUED A SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL 1000 PM MDT FOR PEOPLE IN THE FOLLOWING LOCATIONS... IN NORTH CENTRAL MONTANA ...CASCADE COUNTY...NORTHERN JUDITH BASIN COUNTY IN WEST CENTRAL MONTANA ...NORTHERN LEWIS AND CLARK COUNTY AT 850 PM MDT DOPPLER RADAR IN GREAT FALLS INDICATED A LINE OF SEVERE THUNDERSTORMS FROM CENTRAL LEWIS AND CLARK COUNTY EXTENDING EASTWARD TO SOUTHERN FERGUS COUNTY. THESE STORMS WERE ALL MOVING NORTH AT ABOUT 30 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 DOZN'T DRIVE INTO AREAS WHERE WATER COVERS THE ROAD. SCHNEIDER
The office that day
Everything else NWS Great Falls, MT issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 15, 6:05 PM MDT | Severe Thunderstorm Warning | TFX | Glacier, Pondera | 55 min |
| Jun 15, 6:05 PM MDT | Severe Thunderstorm Warning | TFX | Teton | 55 min |
| Jun 15, 7:07 PM MDT | Severe Thunderstorm Warning | TFX | Glacier, Pondera | 68 min |
| Jun 15, 7:29 PM MDT | Severe Thunderstorm Warning | TFX | Meagher | 61 min |
| Jun 15, 7:29 PM MDT | Severe Thunderstorm Warning | TFX | Toole | 61 min |
| Jun 15, 8:33 PM MDT | Severe Thunderstorm Warning | TFX | Fergus | 57 min |
| Jun 15, 9:34 PM MDT | Severe Thunderstorm Warning | TFX | Chouteau, Pondera, Teton | 56 min |
| Jun 15, 10:23 PM MDT | Severe Thunderstorm Warning | TFX | Blaine, Fergus | 67 min |
| Jun 15, 10:50 PM MDT | Severe Thunderstorm Warning | TFX | Liberty, Toole | 55 min |
| Jun 16, 4:10 PM MDT | Severe Thunderstorm Warning | TFX | Cascade | 50 min |
| Jun 16, 4:42 PM MDT | Severe Thunderstorm Warning | TFX | Chouteau | 48 min |
| Jun 16, 5:49 PM MDT | Severe Thunderstorm Warning | TFX | Meagher | 41 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; radar from the NEXRAD Level II archive.