Alert archive / Montana / Severe Thunderstorm Warnings in 1996
Severe Thunderstorm Warning 40, NWS Great Falls, MT
NWS Great Falls, MT issued this severe thunderstorm warning at Jul 2, 1996, 7:39 PM MDT for Liberty County, Montana. It was in force for 51 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
- Jul 2, 1996, 7:39 PM MDT (01:39 UTC)
- Expired
- Jul 2, 1996, 8:30 PM MDT
- In force
- 51 min
- Issued by
- NWS Great Falls, MT
- Area
- Whole counties
County Liberty County, MT
The radar
The Great Falls radar (KTFX), 125 km from the middle of the area, began a volume at 01:39 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, 1.7 hours before the alert went out and 127 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
- 964 J/kg
- Mixed-layer CIN
- -48 J/kg
- Mixed-layer LCL
- 2891 m above ground
- 0-6 km bulk shear
- 41 kt
- 0-1 km storm-relative helicity
- 92 m²/s²
- 0-3 km storm-relative helicity
- 170 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 5.7
The text
The text of this product is not in the archive. The NWS text archive before 2002 is incomplete.
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 2, 4:50 PM MDT, 2 hours 49 minutes before
MTZ003-022345- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE GREAT FALLS MT 445 PM MDT Tue Jul 2 1996 AT 435 PM MDT GREAT FALLS RADAR INDICATED A STRONG THUNDERSTORM NEAR THE TOWN OF HEART BUTTE ALONG THE BORDER BETWEEN GLACIER AND PONDERA COUNTIES. THIS STORM WAS MOVING TO THE NORTHEAST AT 35 MILES AN HOUR. THE FORECASTED MOVEMENT OF THIS STORM PLACES IT NEAR CUTBANK IN 45 MINUTES. LARGE HAIL...DANGEROUS LIGHTNING AND DAMAGING THUNDERSTORM WINDS ARE POSSIBLE NEAR THIS STORM. ZELZER
Special weather statement, Jul 2, 5:54 PM MDT, 1 hour 45 minutes before
MTZ003-030030- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE GREAT FALLS MT 550 PM MDT TUE JUL 2 1996 AT 540 PM MDT GREAT FALLS RADAR INDICATED A STRONG THUNDERSTORM MIDWAY BETWEEN VALIER AND SHE<LBY. THIS STORM WAS MOVING NORTHEAST AT 25 MPH AND IS FORECASTED TO BE NEAR SHELBY WITHIN THE NEXT 30 MINUTES. LARGE HAIL...STRONG GUSTY WINDS AND LOCALLY HEAVY RAIN ARE POSSIBLE NEAR THESE THUNDERSTORMS. ZELZER
Special weather statement, Jul 2, 7:06 PM MDT, 33 minutes before
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</html>The office that day
Everything else NWS Great Falls, MT issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 2, 7:02 PM MDT | Severe Thunderstorm Warning | TFX | Liberty, Toole | 43 min |
| Jul 2, 8:03 PM MDT | Severe Thunderstorm Warning | TFX | Fergus, Petroleum | 57 min |
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.