Alert archive / North Dakota / River Flood Warnings in 2022

River Flood Warning 36, NWS Grand Forks, ND

April 11, 2022Cass County, North Dakota

NWS Grand Forks, ND issued this river flood warning at Apr 11, 2022, 11:57 AM CDT for Cass County, North Dakota. It took effect at Apr 14, 2022, 5:48 AM CDT. It was in force for 56 hr.

The area

The counties it named.

The facts

Issued
Apr 11, 2022, 11:57 AM CDT (16:57 UTC)
In effect from
Apr 14, 2022, 5:48 AM CDT
Expired
Apr 16, 2022, 2:13 PM CDT
In force
56 hr
Issued by
NWS Grand Forks, ND
Area
Storm-based polygon
Flood severity
Minor

County Cass County, ND

The radar

The Fargo/Grand Forks radar (KMVX), 66 km from the middle of the area, began a volume at 17:00 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 Maple River (ND) near Mapleton (South of I-94) (MPLN8). The gauge peaked at 14.04 ft at Apr 14, 2022, 1:00 AM CDT.

actionminormoderate10152004/1104/1204/1304/1404/1504/1604/17
Action stage
14 ft
Minor stage
18 ft
Moderate stage
21 ft
Major stage
23 ft

This gauge today: stage, forecast and historic crests

Stage from the USGS instantaneous record for site 05060000, 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, 10:11 AM CDT, 1 hour 46 minutes earlier.

Area forecast discussion, Apr 11, 10:11 AM CDT, 1 hour 46 minutes before
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Hazardous weather outlook, Apr 11, 6:02 AM CDT, 5 hours 55 minutes before
Hazardous Weather Outlook
National Weather Service Grand Forks ND
602 AM CDT Mon Apr 11 2022

MNZ006-009-015>017-022>024-027-028-030>032-040-121115-
Lake Of The Woods-North Beltrami-East Polk-North Clearwater-
South Beltrami-Mahnomen-South Clearwater-Hubbard-West Becker-
East Becker-West Otter Tail-East Otter Tail-Wadena-Grant-
602 AM CDT Mon Apr 11 2022

This hazardous weather outlook is for portions of west central
and northwest Minnesota.

.DAY ONE...Today and Tonight

No hazardous weather is expected at this time.

.DAYS TWO THROUGH SEVEN...Tuesday through Sunday

A strong system arrives during the middle part of the week and
may bring the potential for significant winter impacts Tuesday
into Thursday. There is still uncertainty with this system as the
timing and track will determine where the heaviest precipitation
occurs, and where rain may transition to snow.

.SPOTTER INFORMATION STATEMENT...

Spotter activation is not anticipated.

MNZ001>005-007-008-013-014-029-NDZ006>008-014>016-024-026>030-038-
039-049-052>054-121115-
West Polk-Norman-Clay-Kittson-Roseau-West Marshall-East Marshall-
Pennington-Red Lake-Wilkin-Towner-Cavalier-Pembina-Benson-Ramsey-
Eastern Walsh-Eddy-Nelson-Grand Forks-Griggs-Steele-Traill-Barnes-
Cass-Ransom-Sargent-Richland-Western Walsh-
602 AM CDT Mon Apr 11 2022

This hazardous weather outlook is for portions of eastern North
Dakota, west central and northwest Minnesota.

.DAY ONE...Today and Tonight

No hazardous weather is expected at this time.

.DAYS TWO THROUGH SEVEN...Tuesday through Sunday

A strong system arrives during the middle part of the week and
may bring the potential for significant winter impacts Tuesday
into Thursday. The potential exists for areas of 8 inches
accumulation or greater, especially west of the valley. However, there
is still uncertainty with this system as the timing and track
will determine where the heaviest precipitation occurs, and where
rain may transition to snow.

.SPOTTER INFORMATION STATEMENT...

Spotter activation is not anticipated.

9

In the hours before

Special weather statement, Apr 11, 10:09 AM CDT, 1 hour 48 minutes before
Special Weather Statement
National Weather Service Grand Forks ND
1009 AM CDT Mon Apr 11 2022

NDZ038-039-111715-
Barnes-Cass-
Including the cities of Valley City and Fargo
1009 AM CDT Mon Apr 11 2022

...BRIEF INTENSE SNOW SHOWERS WILL AFFECT THE I-94 CORRIDOR...

A brief period of intense snow showers will affect the I-94
corridor from Jamestown to Fargo through the rest of the morning.
This will lead to a quick 1 to 2 inches of snow. Persons and
vehicles across this area can expect conditions to suddenly
deteriorate with reduced visibility. If you are traveling, reduce
your speed and turn on headlights.

The office that day

Everything else NWS Grand Forks, ND issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Apr 11, 11:57 AM CDTRiver Flood WarningFGFRichland7 days
Apr 11, 1:31 PM CDTBlizzard WarningFGFBarnes, Benson, Cavalier, Eddy, Grand Forks, Griggs and 7 more3 days

Nearby

River Flood Warnings in North Dakota, 2022Every river flood warning in 2022

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.