Alert archive / Montana / River Flood Advisories in 2023

River Flood Advisory 2, NWS Missoula, MT

May 16, 2023Missoula County, Montana

NWS Missoula, MT issued this river flood advisory at May 16, 2023, 7:47 AM MDT for Missoula County, Montana. It was in force for 10 days.

The area

The counties it named.

The facts

Issued: May 16, 2023, 7:47 AM MDT (13:47 UTC)
Expired: May 26, 2023, 9:54 AM MDT
In force: 10 days
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 13:50 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 Clark Fork River above Missoula (ABOM8). The gauge peaked at 8.69 ft at May 18, 2023, 5:00 AM MDT.

Action stage: 7 ft
Minor stage: 7.5 ft
Moderate stage: 11 ft
Major stage: 13 ft

This gauge today: stage, forecast and historic crests

Stage from the USGS instantaneous record for site 12340500, one reading an hour, from a day before the product to a day after it ended. Flood stages are today's.

What forecasters said that day

The local office's own words before this river flood advisory went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.

NWS Missoula, MT wrote its last area forecast discussion before this river flood advisory went out at May 16, 2:56 AM MDT, 4 hours 51 minutes earlier.

Area forecast discussion, May 16, 2:56 AM MDT, 4 hours 51 minutes before

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The office that day

Everything else NWS Missoula, MT issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
May 16, 2:25 PM MDT	Special Weather Statement	MSO	Sanders	35 min
May 16, 4:28 PM MDT	Special Weather Statement	MSO	Deer Lodge	47 min
May 16, 5:08 PM MDT	Special Weather Statement	MSO	Lake	37 min

Nearby

River Flood Advisories in Montana, 2023 Every river flood advisory in 2023

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.