Alert archive / Minnesota / Severe Thunderstorm Warnings in 2022

Severe Thunderstorm Warning 23, NWS Grand Forks, ND

May 29, 20229 counties in Minnesota

NWS Grand Forks, ND issued this severe thunderstorm warning at May 29, 2022, 6:50 AM CDT for 9 counties in Minnesota. It was in force for 40 min. No storm report in the archive falls inside the area while it was in force.

The area

The counties it named.

The facts

Issued: May 29, 2022, 6:50 AM CDT (11:50 UTC)
Expired: May 29, 2022, 7:30 AM CDT
In force: 40 min
Issued by: NWS Grand Forks, ND
Area: Storm-based polygon
Hail: 1.0 in
Wind: 60.0 mph

Counties Beltrami County, MN, Clearwater County, MN, Lake of the Woods County, MN, Mahnomen County, MN, Marshall County, MN, Pennington County, MN, Polk County, MN, Red Lake County, MN, Roseau County, MN

The radar

The Fargo/Grand Forks radar (KMVX), 131 km from the middle of the area, began a volume at 11:53 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 nearest sounding before it

International Fa, MN (KINL), launched 00:00Z, 11.8 hours before the alert went out and 190 km from the middle of its area. This is the routine balloon launch nearest before it, the air the forecaster had in hand, not a measurement taken for the alert.

Skew-T log-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

The wind turning with height, colored by layer: ground to 1 km, 1 to 3 km, 3 to 6 km, 6 to 10 km.

Mixed-layer CAPE: 0 J/kg
Mixed-layer CIN: No buoyant parcel
Mixed-layer LCL: 1148 m above ground
0-6 km bulk shear: 47 kt
0-1 km storm-relative helicity: 4 m²/s²
0-3 km storm-relative helicity: 93 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

Open this sounding in Storm Lab

What forecasters said that day

The local office's own words before this severe thunderstorm 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 severe thunderstorm warning went out at May 29, 6:32 AM CDT, 18 minutes earlier.

Area forecast discussion, May 29, 6:32 AM CDT, 18 minutes before

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Hazardous weather outlook, May 29, 3:43 AM CDT, 3 hours 7 minutes before

Hazardous Weather Outlook
National Weather Service Grand Forks ND
343 AM CDT Sun May 29 2022

MNZ001>009-013>017-022>024-027>032-040-NDZ006>008-014>016-024-
026>030-038-039-049-052>054-300845-
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-
343 AM CDT Sun May 29 2022

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

.DAY ONE...Today and Tonight

Showers and thunderstorms will move through portions of the
region early this morning. However, severe storms are not
expected.

Scattered severe thunderstorms are expected this afternoon and
evening. The potential exists to see damaging winds up to 70 mph,
hail up to 2 inches in diameter, and an isolated tornado threat.
Localized flash flooding may also be possible.

.DAYS TWO THROUGH SEVEN...Monday through Saturday

The next chance for severe thunderstorms will be Monday afternoon
and evening, with the potential for damaging winds up to 80 mph,
large hail up to 2 inches in diameter, and an isolated tornado
threat. Localized flash flooding may also be possible.

.SPOTTER INFORMATION STATEMENT...

Spotter activation may be needed this afternoon and evening.

In the hours before

Special weather statement, May 29, 1:12 AM CDT, 5 hours 38 minutes before

Special Weather Statement
National Weather Service Grand Forks ND
112 AM CDT Sun May 29 2022

NDZ049-052-053-290645-
Sargent ND-Ransom ND-Richland ND-
112 AM CDT Sun May 29 2022

...A strong thunderstorm will impact portions of eastern Ransom,
northwestern Richland and eastern Sargent Counties through 145 AM
CDT...

At 112 AM CDT, Doppler radar was tracking a strong thunderstorm near
Rutland, or 44 miles west of Wahpeton, moving northeast at 45 mph.

HAZARD...Nickel size hail.

SOURCE...Radar indicated.

IMPACT...Minor damage to outdoor objects is possible.

This strong thunderstorm will be near...
  Cayuga around 115 AM CDT.
  De Lamere, Milnor and Hamlin around 125 AM CDT.
  McLeod around 135 AM CDT.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

If outdoors, consider seeking shelter inside a building.

&&

LAT...LON 4599 9749 4610 9774 4658 9742 4642 9693
TIME...MOT...LOC 0612Z 217DEG 48KT 4612 9753

MAX HAIL SIZE...0.88 IN
MAX WIND GUST...<30 MPH

VG

Special weather statement, May 29, 3:09 AM CDT, 3 hours 41 minutes before

Special Weather Statement
National Weather Service Grand Forks ND
309 AM CDT Sun May 29 2022

MNZ003-029-NDZ039-049-053-290845-
Clay MN-Wilkin MN-Ransom ND-Richland ND-Cass ND-
309 AM CDT Sun May 29 2022

...Strong thunderstorms will impact portions of southwestern Clay,
Wilkin, east central Ransom, southeastern Cass and Richland Counties
through 345 AM CDT...

At 309 AM CDT, Doppler radar was tracking strong thunderstorms along
a line extending from near McLeod to Mantador to Lake Traverse
Reservation. Movement was northeast at 50 mph.

HAZARD...Wind gusts up to 50 mph.

SOURCE...Radar indicated.

IMPACT...Gusty winds could knock down tree limbs and blow around
         unsecured objects.

Strong thunderstorms will be near...
  Mantador and McLeod around 310 AM CDT.
  Barney and Great Bend around 315 AM CDT.
  Mooreton, Lamars and Blackmer around 320 AM CDT.
  Fairmount, Dwight and Sonora around 325 AM CDT.
  Galchutt, Barrie and Tenney around 330 AM CDT.

This includes Interstate 29 between mile markers 0 and 52.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

If outdoors, consider seeking shelter inside a building.

&&

LAT...LON 4614 9700 4637 9737 4674 9696 4660 9656
      4616 9629 4602 9646 4602 9658 4596 9657
      4595 9656 4593 9657 4593 9687
TIME...MOT...LOC 0809Z 213DEG 42KT 4636 9726 4618 9697 4588 9678

MAX HAIL SIZE...0.00 IN
MAX WIND GUST...50 MPH

VG

Special weather statement, May 29, 5:48 AM CDT, 1 hour 2 minutes before

Special Weather Statement
National Weather Service Grand Forks ND
548 AM CDT Sun May 29 2022

MNZ001>003-014-015-022-027-291115-
West Becker MN-Red Lake MN-Mahnomen MN-Clay MN-West Polk MN-
Norman MN-East Polk MN-
548 AM CDT Sun May 29 2022

...Strong thunderstorms will impact portions of central Red Lake,
northeastern Clay, eastern Norman, south central Polk, western
Mahnomen and northwestern Becker Counties through 615 AM CDT...

At 548 AM CDT, Doppler radar was tracking strong thunderstorms along
a line extending from near Flaming to near Hawley. Movement was north
to northeast at 45 mph.

HAZARD...Nickel size hail.

SOURCE...Radar indicated.

IMPACT...Minor damage to outdoor objects is possible.

Strong thunderstorms will be near...
  Flaming around 550 AM CDT.
  Fertile around 555 AM CDT.
  Ulen and Maple Bay around 600 AM CDT.
  Syre, Dugdale and Flom around 605 AM CDT.
  Twin Valley, Terrebonne and Faith around 610 AM CDT.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

If outdoors, consider seeking shelter inside a building.

&&

LAT...LON 4684 9639 4755 9645 4796 9603 4721 9593
TIME...MOT...LOC 1048Z 191DEG 60KT 4747 9636 4691 9634

MAX HAIL SIZE...0.88 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 29, 1:12 AM CDT	Special Weather Statement	FGF	Sargent	33 min
May 29, 3:09 AM CDT	Special Weather Statement	FGF	Richland	36 min
May 29, 6:52 PM CDT	Special Weather Statement	FGF	Nelson	38 min
May 29, 5:48 AM CDT	Special Weather Statement	FGF	Red Lake	27 min
May 29, 5:59 AM CDT	Severe Thunderstorm Warning	FGF	Becker, Clay, Mahnomen, Norman	31 min
May 29, 6:19 AM CDT	Severe Thunderstorm Warning	FGF	Becker, Mahnomen, Norman, Pennington, Polk, Red Lake	41 min
May 29, 7:27 AM CDT	Severe Thunderstorm Warning	FGF	Beltrami, Clearwater, Lake of the Woods, Mahnomen, Marshall, Pennington and 2 more	63 min
May 29, 8:28 AM CDT	Severe Thunderstorm Warning	FGF	Beltrami, Lake of the Woods	30 min
May 29, 9:00 AM CDT	Special Weather Statement	FGF	Beltrami	30 min
May 29, 9:22 AM CDT	Severe Thunderstorm Warning	FGF	Beltrami, Lake of the Woods	38 min
May 29, 9:30 AM CDT	Special Weather Statement	FGF	Lake of the Woods	30 min
May 29, 9:53 AM CDT	Severe Thunderstorm Warning	FGF	Beltrami, Lake of the Woods	52 min
May 29, 10:13 AM CDT	Severe Thunderstorm Warning	FGF	Beltrami	32 min
May 29, 10:40 AM CDT	Severe Thunderstorm Warning	FGF	Beltrami, Lake of the Woods	50 min
May 29, 10:42 AM CDT	Special Weather Statement	FGF	Lake of the Woods	33 min
May 29, 11:22 AM CDT	Special Weather Statement	FGF	Lake of the Woods	23 min
May 29, 11:41 AM CDT	Special Weather Statement	FGF	Lake of the Woods	34 min
May 29, 12:05 PM CDT	Special Weather Statement	FGF	Lake of the Woods	25 min
May 29, 12:15 PM CDT	Special Weather Statement	FGF	Lake of the Woods	45 min
May 29, 12:55 PM CDT	Severe Thunderstorm Warning	FGF	Hubbard, Otter Tail, Wadena	65 min
May 29, 1:55 PM CDT	Special Weather Statement	FGF	Wadena	35 min
May 29, 3:21 PM CDT	Severe Thunderstorm Warning	FGF	Clearwater, Pennington, Polk, Red Lake	54 min
May 29, 4:31 PM CDT	Severe Thunderstorm Warning	FGF	Beltrami, Clearwater, Pennington, Polk, Red Lake	47 min
May 29, 5:17 PM CDT	Special Weather Statement	FGF	Beltrami	28 min
May 29, 5:57 PM CDT	Special Weather Statement	FGF	Beltrami	33 min
May 29, 6:37 PM CDT	Special Weather Statement	FGF	Lake of the Woods	38 min

Nearby

Severe Thunderstorm Warnings in Minnesota, 2022 Every severe thunderstorm 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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.