Alert archive / Montana / Severe Thunderstorm Warnings in 1999
Severe Thunderstorm Warning 63, NWS Great Falls, MT
NWS Great Falls, MT issued this severe thunderstorm warning at Aug 13, 1999, 1:26 PM MDT for Gallatin County, Madison County, Montana. It was in force for 49 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
- Aug 13, 1999, 1:26 PM MDT (19:26 UTC)
- Expired
- Aug 13, 1999, 2:15 PM MDT
- In force
- 49 min
- Issued by
- NWS Great Falls, MT
- Area
- Whole counties; the outline is the Mesonet’s reconstruction
Counties Gallatin County, MT, Madison County, MT
The radar
The Great Falls radar (KTFX), 227 km from the middle of the area, began a volume at 19:26 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 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.
NWS Great Falls, MT wrote its last area forecast discussion before this severe thunderstorm warning went out at Aug 13, 9:15 AM MDT, 4 hours 11 minutes earlier.
Area forecast discussion, Aug 13, 9:15 AM MDT, 4 hours 11 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 |
|---|---|---|---|---|
| Aug 13, 12:28 PM MDT | Severe Thunderstorm Warning | TFX | Beaverhead | 47 min |
| Aug 13, 2:00 PM MDT | Severe Thunderstorm Warning | TFX | Beaverhead | 60 min |
| Aug 13, 2:55 PM MDT | Severe Thunderstorm Warning | TFX | Beaverhead, Madison | 50 min |
| Aug 13, 3:40 PM MDT | Severe Thunderstorm Warning | TFX | Gallatin, Madison | 50 min |
| Aug 13, 4:46 PM MDT | Severe Thunderstorm Warning | TFX | Beaverhead, Madison | 44 min |
Nearby
Severe Thunderstorm Warnings in Montana, 1999Every severe thunderstorm warning in 1999
Sources
The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; radar from the NEXRAD Level II archive.