Alert archive / Montana / River Flood Advisories in 2020
River Flood Advisory 4, NWS Missoula, MT
NWS Missoula, MT issued this river flood advisory at May 21, 2020, 1:41 PM MDT for Missoula County, Montana. It was in force for 45 hr.
The area
The counties it named.
The facts
- Issued
- May 21, 2020, 1:41 PM MDT (19:41 UTC)
- Expired
- May 23, 2020, 10:14 AM MDT
- In force
- 45 hr
- Issued by
- NWS Missoula, MT
- Area
- Storm-based polygon
County Missoula County, MT
The radar
The Missoula radar (KMSX), 5 km from the middle of the area, began a volume at 19:42 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 Bitterroot River near Missoula (BITM8).
- Action stage
- 10 ft
- Minor stage
- 11 ft
- Moderate stage
- 13 ft
- Major stage
- 15 ft
This gauge today: stage, forecast and historic crests
Stage from the USGS instantaneous record for site 12352500, 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 Missoula, MT issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| May 20, 11:26 PM MDT | Lake Wind Advisory | MSO | Flathead, Lake, Sanders | 19 hr |
Nearby
River Flood Advisories in Montana, 2020Every river flood advisory 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; the gauge from the NWS water service and the USGS.