Alert archive / Michigan / River Flood Warnings in 2018

River Flood Warning 18, NWS Detroit, MI

February 22, 2018Livingston County, Michigan

NWS Detroit, MI issued this river flood warning at Feb 22, 2018, 9:57 AM EST for Livingston County, Michigan. It took effect at Feb 22, 2018, 8:56 PM EST. It was in force for 6 days.

The area

The counties it named.

The facts

Issued: Feb 22, 2018, 9:57 AM EST (14:57 UTC)
In effect from: Feb 22, 2018, 8:56 PM EST
Expired: Feb 28, 2018, 5:03 PM EST
In force: 6 days
Issued by: NWS Detroit, MI
Area: Storm-based polygon
Flood severity: Minor

County Livingston County, MI

The radar

The Detroit radar (KDTX), 38 km from the middle of the area, began a volume at 15:00 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 Huron River at Hamburg (HMGM4). The gauge peaked at 7.27 ft at Feb 24, 2018, 6:00 PM EST.

Action stage: 6.5 ft
Minor stage: 7 ft
Moderate stage: 7.5 ft
Major stage: 8 ft

This gauge today: stage, forecast and historic crests

Stage from the USGS instantaneous record for site 04172000, 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 Detroit, MI wrote its last area forecast discussion before this river flood warning went out at Feb 21, 6:43 PM EST, 15 hours 14 minutes earlier.

Area forecast discussion, Feb 21, 6:43 PM EST, 15 hours 14 minutes before

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Hazardous weather outlook, Feb 21, 3:21 PM EST, 18 hours 36 minutes before

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Nearby

River Flood Warnings in Michigan, 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; radar from the NEXRAD Level II archive; the gauge from the NWS water service and the USGS.