Alert archive / Montana / River Flood Warnings in 2018

River Flood Warning 1, NWS Great Falls, MT

January 2, 2018

NWS Great Falls, MT issued this river flood warning at Jan 2, 2018, 9:47 AM MST. It was in force for 24 hr.

The area

The counties it named.

The facts

Issued: Jan 2, 2018, 9:47 AM MST (16:47 UTC)
Expired: Jan 3, 2018, 9:47 AM MST
In force: 24 hr
Issued by: NWS Great Falls, MT
Area: Storm-based polygon
Flood severity: Minor

The river

Written for the forecast point Gallatin River at Logan (LOGM8). The gauge peaked at 9.18 ft at Jan 2, 2018, 4:00 PM MST.

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.

What forecasters said that day

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

NWS Great Falls, MT wrote its last area forecast discussion before this river flood warning went out at Jan 2, 5:09 AM MST, 4 hours 38 minutes earlier.

Area forecast discussion, Jan 2, 5:09 AM MST, 4 hours 38 minutes before

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The office that day

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

Issued	Product	Office	Counties	Lasted
Jan 1, 7:31 PM MST	Blizzard Warning	TFX		15 hr

Nearby

River Flood Warnings in Montana, 2018 Every river flood warning in 2018

Sources

The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; the gauge from the NWS water service and the USGS.