Alert archive / Montana / River Flood Warnings in 2009
River Flood Warning 4, NWS Great Falls, MT
NWS Great Falls, MT issued this river flood warning at Dec 29, 2009, 11:00 PM MST for Gallatin County, Montana. It was in force for 33 hr.
The area
The counties it named.
The facts
- Issued
- Dec 29, 2009, 11:00 PM MST (06:00 UTC)
- Expired
- Dec 31, 2009, 8:11 AM MST
- In force
- 33 hr
- Issued by
- NWS Great Falls, MT
- Flood severity
- Minor
County Gallatin County, MT
The radar
The Billings radar (KBLX), 202 km from the middle of the area, began a volume at 06:01 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).
- 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 |
|---|---|---|---|---|
| Dec 29, 5:53 PM MST | Air Stagnation Advisory | TFX | 46 hr |
Nearby
River Flood Warnings in Montana, 2009Every river flood warning in 2009
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.