Alert archive / Minnesota / River Flood Warnings in 2022

River Flood Warning 92, NWS Grand Forks, ND

May 11, 2022Clay County, Minnesota

NWS Grand Forks, ND issued this river flood warning at May 11, 2022, 3:29 PM CDT for Clay County, Minnesota. It took effect at May 11, 2022, 7:00 PM CDT. It was in force for 4 days.

The area

The counties it named.

The facts

Issued: May 11, 2022, 3:29 PM CDT (20:29 UTC)
In effect from: May 11, 2022, 7:00 PM CDT
Expired: May 15, 2022, 9:33 PM CDT
In force: 4 days
Issued by: NWS Grand Forks, ND
Area: Storm-based polygon
Flood severity: Minor

County Clay County, MN

The radar

The Fargo/Grand Forks radar (KMVX), 95 km from the middle of the area, began a volume at 20:32 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 South Branch Buffalo River at Sabin (SABM5). The gauge peaked at 14.30 ft at May 13, 2022, 11:00 AM CDT.

Action stage: 12 ft
Minor stage: 13 ft
Moderate stage: 15 ft
Major stage: 19 ft

This gauge today: stage, forecast and historic crests

Stage from the USGS instantaneous record for site 05061500, 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 May 11, 3:05 PM CDT, 24 minutes earlier.

Area forecast discussion, May 11, 3:05 PM CDT, 24 minutes before

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Hazardous weather outlook, May 11, 3:29 PM CDT, 0 minutes before

Hazardous Weather Outlook
National Weather Service Grand Forks ND
329 PM CDT Wed May 11 2022

MNZ001>009-013>017-022>024-027>032-040-NDZ006>008-014>016-024-
026>030-038-039-049-052>054-122030-
West Polk-Norman-Clay-Kittson-Roseau-Lake Of The Woods-
West Marshall-East Marshall-North Beltrami-Pennington-Red Lake-
East Polk-North Clearwater-South Beltrami-Mahnomen-
South Clearwater-Hubbard-West Becker-East Becker-Wilkin-
West Otter Tail-East Otter Tail-Wadena-Grant-Towner-Cavalier-
Pembina-Benson-Ramsey-Eastern Walsh-Eddy-Nelson-Grand Forks-
Griggs-Steele-Traill-Barnes-Cass-Ransom-Sargent-Richland-
Western Walsh-
329 PM CDT Wed May 11 2022

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

.DAY ONE...This Afternoon and Tonight

Showers and thunderstorms will develop during the late afternoon
and evening, with the most intense storms in the southern valley
and west central Minnesota. The strongest storms may become
severe with hail to the size of golf balls and wind gusts to 60
mph. Additionally there is also a threat for flash flooding.

River and overland flooding continues for portions of the Red
River Valley along with the Devils Lake basin. Refer to the
latest flood warnings and statements for detailed information on
specific locations.

.DAYS TWO THROUGH SEVEN...Thursday through Tuesday

Another round of thunderstorms are expected Thursday with the
strongest storms in the late afternoon and evening. These storms
will be capable of hail greater than 2 inches in size, winds to
75 mph and a few tornadoes along with the threat for flash
flooding.

River and overland flooding continues for portions of the Red
River Valley along with the Devils Lake basin. Refer to the
latest flood warnings and statements for detailed information on
specific locations.

.SPOTTER INFORMATION STATEMENT...

Spotter activation may be required.

In the hours before

Special weather statement, May 11, 11:53 AM CDT, 3 hours 36 minutes before

Special Weather Statement
National Weather Service Grand Forks ND
1153 AM CDT Wed May 11 2022

MNZ031-032-111730-
Wadena MN-East Otter Tail MN-
1153 AM CDT Wed May 11 2022

...A strong thunderstorm will impact portions of southwestern Wadena
and southeastern Otter Tail Counties through 1230 PM CDT...

At 1152 AM CDT, Doppler radar was tracking a strong thunderstorm near
Rose City, or 42 miles east of Fergus Falls, moving north at 40 mph.

HAZARD...Winds in excess of 30 mph and penny size hail.

SOURCE...Radar indicated.

IMPACT...Gusty winds could knock down tree limbs and blow around
         unsecured objects. Minor damage to outdoor objects is
         possible.

This strong thunderstorm will be near...
  Parkers Prairie around 1155 AM CDT.
  Wrightstown around 1210 PM CDT.

Other locations in the path of this storm include Wadena, Verndale
and Bluffton.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

If outdoors, consider seeking shelter inside a building.

&&

LAT...LON 4637 9495 4637 9516 4628 9515 4611 9515
      4611 9535 4651 9530 4646 9491
TIME...MOT...LOC 1652Z 191DEG 35KT 4611 9522

MAX HAIL SIZE...0.75 IN
MAX WIND GUST...30 MPH

VG

The office that day

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

Issued	Product	Office	Counties	Lasted
May 11, 10:33 AM CDT	River Flood Warning	FGF	Barnes	8 days
May 11, 11:53 AM CDT	Special Weather Statement	FGF	Todd	37 min
May 11, 3:30 PM CDT	River Flood Warning	FGF	Clay	4 days
May 11, 5:43 PM CDT	Special Weather Statement	FGF	Becker	32 min
May 11, 6:51 PM CDT	Severe Thunderstorm Warning	FGF	Becker, Otter Tail	24 min

Nearby

River Flood Warnings in Minnesota, 2022 Every 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.