Alert archive / Montana / Winter Weather Advisories in 2021
Winter Weather Advisory 40, NWS Great Falls, MT
NWS Great Falls, MT issued this winter weather advisory at Nov 21, 2021, 11:57 AM MST. It took effect at Nov 23, 2021, 10:00 AM MST. It was in force for 16 hr.
The area
The counties it named.
The facts
- Issued
- Nov 21, 2021, 11:57 AM MST (18:57 UTC)
- In effect from
- Nov 23, 2021, 10:00 AM MST
- Expired
- Nov 24, 2021, 1:49 AM MST
- In force
- 16 hr
- Issued by
- NWS Great Falls, MT
The office that day
Everything else NWS Great Falls, MT issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Nov 21, 2:41 AM MST | Fire Weather Watch | TFX | Cascade, Chouteau, Fergus, Glacier, Judith Basin, Lewis and Clark and 5 more | 8 hr |
| Nov 21, 10:35 AM MST | Red Flag Warning | TFX | Cascade, Chouteau, Fergus, Glacier, Judith Basin, Lewis and Clark and 5 more | 30 hr |
Nearby
Winter Weather Advisories in Montana, 2021Every winter weather advisory in 2021
Sources
The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text.