Alert archive / Montana / Severe Thunderstorm Warnings in 1999
Severe Thunderstorm Warning 83, NWS Great Falls, MT
NWS Great Falls, MT issued this severe thunderstorm warning at Sep 10, 1999, 7:39 PM MDT for Liberty County, Toole County, Montana. It was in force for 41 min. 1 report came from inside the area while it was in force.
The area
The counties it named, with what was reported inside it.
The facts
- Issued
- Sep 10, 1999, 7:39 PM MDT (01:39 UTC)
- Expired
- Sep 10, 1999, 8:20 PM MDT
- In force
- 41 min
- Issued by
- NWS Great Falls, MT
- Area
- Whole counties
Counties Liberty County, MT, Toole County, MT
The radar
The Great Falls radar (KTFX), 128 km from the middle of the area, began a volume at 01:41 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.
What was reported inside it
| Time | Report | Where | Remark |
|---|---|---|---|
| Sep 10, 7:55 PM MDT | Thunderstorm Wind 52 | Chester, MT |
NCEI Storm Data entries that began inside the alert's area while it was in force. Before 2003 the local storm report archive is thin, so this is the record of what happened rather than what was phoned in.
The text
The text of this product is not in the archive. The NWS text archive before 2002 is incomplete.
The office that day
Everything else NWS Great Falls, MT issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Sep 10, 7:01 PM MDT | Severe Thunderstorm Warning | TFX | Pondera, Toole | 29 min |
| Sep 10, 8:21 PM MDT | Severe Thunderstorm Warning | TFX | Chouteau, Hill | 24 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; verification from NCEI's Storm Data; radar from the NEXRAD Level II archive.