Alert archive / Montana / River Flood Advisories in 2020

River Flood Advisory 5, NWS Missoula, MT

June 1, 2020Flathead County, Montana

NWS Missoula, MT issued this river flood advisory at Jun 1, 2020, 5:21 PM MDT for Flathead County, Montana. It was in force for 17 hr.

The area

The counties it named.

The facts

Issued
Jun 1, 2020, 5:21 PM MDT (23:21 UTC)
Expired
Jun 2, 2020, 10:03 AM MDT
In force
17 hr
Issued by
NWS Missoula, MT
Area
Storm-based polygon

County Flathead County, MT

The radar

The Missoula radar (KMSX), 140 km from the middle of the area, began a volume at 23:23 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 Flathead River at Columbia Falls (CFMM8). The gauge peaked at 13.86 ft at Jun 1, 2020, 8:00 AM MDT.

actionminormoderate1214161806/0106/0206/03
Action stage
12.5 ft
Minor stage
13 ft
Moderate stage
18 ft
Major stage
22 ft

This gauge today: stage, forecast and historic crests

Stage from the USGS instantaneous record for site 12363000, 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.

IssuedProductOfficeCountiesLasted
May 31, 11:59 PM MDTAreal Flood AdvisoryMSOMissoula34 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.