Alert archive / Montana / Severe Thunderstorm Warnings in 1995
Severe Thunderstorm Warning 49, NWS Great Falls, MT
NWS Great Falls, MT issued this severe thunderstorm warning at Jul 10, 1995, 3:35 PM MDT for 5 counties in Montana. It was in force for 55 min.
The area
The counties it named.
The facts
- Issued
- Jul 10, 1995, 3:35 PM MDT (21:35 UTC)
- Expired
- Jul 10, 1995, 4:30 PM MDT
- In force
- 55 min
- Issued by
- NWS Great Falls, MT
- Area
- Whole counties
Counties Cascade County, MT, Jefferson County, MT, Lewis and Clark County, MT, Meagher County, MT, Teton County, MT
The radar
The Great Falls radar (KTFX), 59 km from the middle of the area, began a volume at 21:41 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 12:00Z, 9.6 hours before the alert went out and 103 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
- 40 J/kg
- Mixed-layer CIN
- -414 J/kg
- Mixed-layer LCL
- 1810 m above ground
- 0-6 km bulk shear
- 31 kt
- 0-1 km storm-relative helicity
- 51 m²/s²
- 0-3 km storm-relative helicity
- 12 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 KGTF 102137 RRA SVRGTF MTC013-051-099-043-059-049-102230- BULLETIN - IMMEDIATE BROADCAST REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE GREAT FALLS MT 335 PM MDT MON JUL 10 1995 THE NATIONAL WEATHER SERVICE IN GREAT FALLS HAS ISSUED A SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL 430 PM MDT FOR PEOPLE IN THE FOLLOWING LOCATIONS... IN NORTH CENTRAL MONTANA ...SOUTHERN CASCADE COUNTY...SOUTHERN LIBERTY COUNTY ...TETON COUNTY IN SOUTHWEST MONTANA ...NORTHERN JEFFERSON COUNTY...NORTHERN MEAGHER COUNTY IN WEST CENTRAL MONTANA ...LEWIS AND CLARK COUNTY THE NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATES SEVERAL VERY STRONG TO SEVERE THUNDERSTORMS MOVING ACROSS SOUTHWEST AND CENTRAL MONTANA. THESE ARE FAST MOVING STORMS HEADING TOWARDS THE NORTHEAST AT ABOUT 35 TO 40 MPH. GOLF BALL TO ONE INCH HAIL HAS BEEN REPORTED WITH SOME OF THESE STORMS. SEVERE THUNDERSTORMS PRODUCE DAMAGING WIND IN EXCESS OF 55 MPH.j..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.
The office that day
Everything else NWS Great Falls, MT issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 9, 6:15 PM MDT | Severe Thunderstorm Warning | TFX | Fergus | 38 min |
| Jul 10, 1:41 PM MDT | Severe Thunderstorm Warning | TFX | Judith Basin | 64 min |
| Jul 10, 1:53 PM MDT | Severe Thunderstorm Warning | TFX | Teton | 67 min |
| Jul 10, 2:22 PM MDT | Severe Thunderstorm Warning | TFX | Jefferson, Lewis and Clark | 68 min |
| Jul 10, 2:50 PM MDT | Severe Thunderstorm Warning | TFX | Pondera, Teton | 55 min |
| Jul 10, 3:35 PM MDT | Severe Thunderstorm Warning | TFX | Liberty | 55 min |
| Jul 10, 4:20 PM MDT | Severe Thunderstorm Warning | TFX | Hill | 70 min |
| Jul 10, 4:47 PM MDT | Severe Thunderstorm Warning | TFX | Cascade, Chouteau | 58 min |
| Jul 10, 4:47 PM MDT | Severe Thunderstorm Warning | TFX | Fergus, Petroleum | 58 min |
| Jul 10, 5:13 PM MDT | Severe Thunderstorm Warning | TFX | Hill | 62 min |
| Jul 10, 5:34 PM MDT | Severe Thunderstorm Warning | TFX | Chouteau, Fergus | 56 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.