Alert archive / Montana / Severe Thunderstorm Warnings in 1996
Severe Thunderstorm Warning 2, NWS Great Falls, MT
NWS Great Falls, MT issued this severe thunderstorm warning at Jun 3, 1996, 8:11 PM MDT for Blaine County, Chouteau County, Hill County, Montana. It was in force for 34 min. No storm report in the archive falls inside the area while it was in force.
The area
The counties it named.
The facts
- Issued
- Jun 3, 1996, 8:11 PM MDT (02:11 UTC)
- Expired
- Jun 3, 1996, 8:45 PM MDT
- In force
- 34 min
- Issued by
- NWS Great Falls, MT
- Area
- Whole counties
Counties Blaine County, MT, Chouteau County, MT, Hill County, MT
The radar
The Great Falls radar (KTFX), 150 km from the middle of the area, began a volume at 02:14 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, 2.2 hours before the alert went out and 111 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
- 21 J/kg
- Mixed-layer CIN
- -179 J/kg
- Mixed-layer LCL
- 2338 m above ground
- 0-6 km bulk shear
- 43 kt
- 0-1 km storm-relative helicity
- 87 m²/s²
- 0-3 km storm-relative helicity
- 97 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 040214 SVRGTF MTC005-015-041-040245- BULLETIN - IMMEDIATE BROADCAST REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE GREAT FALLS MT 811 PM MDT MON JUN 3 1996 THE NATIONAL WEATHER SERVICE IN GREAT FALLS HAS ISSUED A SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL 845 PM MDT FOR PEOPLE IN THE FOLLOWING LOCATIONS... IN NORTH CENTRAL MONTANA ...SOUTHERN BLAINE COUNTY...EXTREME NORTHEASTERN CHOUTEAU COUNTY ...EXTREME SOUTHEASTERN HILL COUNTY AT 810 PM...DOPPLER RADAR INDICATED A SEVERE THUNDERSTORM 20 20 MILES SOUTH OF HAVRE...OVER ROCKY BOY. THIS THUNDERSTORM WAS MOVING SOUTHEAST AT 35 MPH. THE SEVERE THUNDERSTORM WILL AFFECT ROCKY BOY THROUGH 830 PM THEN MOVE INTO SOUTHERN BLAINE COUNTY. 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, Jun 3, 7:35 PM MDT, 36 minutes before
MTZ005-040230- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE GREAT FALLS MT 733 PM MDT MON JUN 3 1996 AT 730 PM...DOPPLER RADAR INDICATED AN AREA OF THUNDERSTORM WITH HEAVY RAIN FROM 10 MILES NORTH OF HAVRE TO 25 MILES SOUTHWEST OF HAVRE. HEAVY RAIN...MARBLE SIZE HAIL AND WIND GUSTS TO AROUND 45 MPH ARE POSSIBLE WITH THESE STORMS. THE AREA IS MOVING TO THE SOUTHEAST AT 30 MPH. IT WILL AFFECT THE COMMUNITIES OF HAVRE...ROCKY BOY AND CHINOOK THROUGH 830 PM. DB
Nearby
Severe Thunderstorm Warnings in Montana, 1996Every severe thunderstorm warning in 1996
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.