Alert archive / Montana / Snow Squall Warnings in 2020
Snow Squall Warning 7, NWS Great Falls, MT
NWS Great Falls, MT issued this snow squall warning at Oct 21, 2020, 1:03 PM MDT for Cascade County, Chouteau County, Lewis and Clark County, Montana. It was in force for 57 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
- Oct 21, 2020, 1:03 PM MDT (19:03 UTC)
- Expired
- Oct 21, 2020, 2:00 PM MDT
- In force
- 57 min
- Issued by
- NWS Great Falls, MT
- Area
- Storm-based polygon
Counties Cascade County, MT, Chouteau County, MT, Lewis and Clark County, MT
The radar
The Great Falls radar (KTFX), 3 km from the middle of the area, began a volume at 19:06 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 office that day
Everything else NWS Great Falls, MT issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Oct 21, 1:05 AM MDT | Dense Fog Advisory | TFX | 9 hr | |
| Oct 21, 10:30 AM MDT | Winter Storm Warning | TFX | 22 hr | |
| Oct 21, 1:43 PM MDT | Winter Storm Watch | TFX | 37 hr | |
| Oct 21, 2:00 PM MDT | Snow Squall Warning | TFX | Cascade, Chouteau | 60 min |
Nearby
Snow Squall Warnings in Montana, 2020Every snow squall warning in 2020
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.