Alert archive / Montana / River Flood Warnings in 2022
River Flood Warning 2, NWS Great Falls, MT
NWS Great Falls, MT issued this river flood warning at Jun 12, 2022, 9:58 AM MDT for Gallatin County, Montana. It took effect at Jun 13, 2022, 3:00 AM MDT. It was in force for 55 hr.
The area
The counties it named.
The facts
- Issued
- Jun 12, 2022, 9:58 AM MDT (15:58 UTC)
- In effect from
- Jun 13, 2022, 3:00 AM MDT
- Expired
- Jun 15, 2022, 9:32 AM MDT
- In force
- 55 hr
- Issued by
- NWS Great Falls, MT
- Area
- Storm-based polygon
- Flood severity
- Moderate
County Gallatin County, MT
The radar
The Billings radar (KBLX), 202 km from the middle of the area, began a volume at 16:00 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 river
Written for the forecast point Gallatin River at Logan (LOGM8). The gauge peaked at 9.73 ft at Jun 14, 2022, 8:00 AM MDT.
- Action stage
- 8 ft
- Minor stage
- 9 ft
- Moderate stage
- 10 ft
- Major stage
- 11 ft
This gauge today: stage, forecast and historic crests
Stage from the USGS instantaneous record for site 06052500, one reading an hour, from a day before the product to a day after it ended. Flood stages are today's.
The office that day
Everything else NWS Great Falls, MT issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 12, 2:40 AM MDT | High Wind Watch | TFX | 12 hr | |
| Jun 12, 2:58 AM MDT | Winter Storm Warning | TFX | 3 days | |
| Jun 12, 9:58 AM MDT | River Flood Warning | TFX | Gallatin | 48 hr |
| Jun 12, 10:07 AM MDT | Flood Watch | TFX | 72 hr | |
| Jun 12, 2:47 PM MDT | Winter Weather Advisory | TFX | 66 hr | |
| Jun 12, 2:50 PM MDT | High Wind Watch | TFX | 12 hr | |
| Jun 12, 2:50 PM MDT | High Wind Warning | TFX | 3 days |
Nearby
River Flood Warnings in Montana, 2022Every river flood warning in 2022
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; the gauge from the NWS water service and the USGS.