Alert archive / Minnesota / River Flood Warnings in 2019

River Flood Warning 34, NWS Grand Forks, ND

April 11, 2019Marshall County, Minnesota

NWS Grand Forks, ND issued this river flood warning at Apr 11, 2019, 11:02 PM CDT for Marshall County, Minnesota. It was in force for 35 hr.

The area

The counties it named.

The facts

Issued: Apr 11, 2019, 11:02 PM CDT (04:02 UTC)
Expired: Apr 13, 2019, 9:46 AM CDT
In force: 35 hr
Issued by: NWS Grand Forks, ND
Area: Storm-based polygon
Flood severity: Minor

County Marshall County, MN

The radar

The Fargo/Grand Forks radar (KMVX), 117 km from the middle of the area, began a volume at 04:06 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 Snake River (NW MN) above Warren (MKLM5).

Action stage: 66 ft
Minor stage: 67 ft
Moderate stage: 71 ft
Major stage: 75 ft

This gauge today: stage, forecast and historic crests

Stage from the USGS instantaneous record for site 05085450, 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 Grand Forks, ND wrote its last area forecast discussion before this river flood warning went out at Apr 11, 9:08 PM CDT, 1 hour 54 minutes earlier.

Area forecast discussion, Apr 11, 9:08 PM CDT, 1 hour 54 minutes before

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Hazardous weather outlook, Apr 11, 3:48 PM CDT, 7 hours 14 minutes before

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In the hours before

Local storm report, Apr 11, 10:14 PM CDT, 48 minutes before

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Local storm report, Apr 11, 10:20 PM CDT, 42 minutes before

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Local storm report, Apr 11, 10:23 PM CDT, 39 minutes before

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Local storm report, Apr 11, 10:30 PM CDT, 32 minutes before

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Local storm report, Apr 11, 10:44 PM CDT, 18 minutes before

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Local storm report, Apr 11, 10:47 PM CDT, 15 minutes before

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        If you are an administrator, restore upstream service and remove the redirect/fallback rule when normal operations resume.
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Nearby

River Flood Warnings in Minnesota, 2019 Every river flood warning in 2019

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.