Alert archive / Minnesota / Mesoscale Discussions in 2022

Mesoscale Discussion 962

May 29, 202211 counties in Minnesota; Richland County, North Dakota

The Storm Prediction Center issued this mesoscale discussion at May 29, 2022, 3:14 PM CDT for 11 counties in Minnesota; Richland County, North Dakota. It was in force for 91 min.

The area

The outline as issued.

The facts

Issued: May 29, 2022, 3:14 PM CDT (20:14 UTC)
Expired: May 29, 2022, 4:45 PM CDT
In force: 91 min
Issued by: the Storm Prediction Center
Concerning: Severe potential...watch likely
Chance of a watch: 80%

Counties Becker County, MN, Clay County, MN, Mahnomen County, MN, Marshall County, MN, Norman County, MN, Otter Tail County, MN, Pennington County, MN, Polk County, MN, Red Lake County, MN, Roseau County, MN, Wilkin County, MN, Richland County, ND

The radar

The Fargo/Grand Forks radar (KMVX), 100 km from the middle of the area, began a volume at 20:15 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 watches that followed

Watches SPC issued over any of the same counties within four hours of this discussion.

Severe Thunderstorm Watch 287May 29, 3:35 PM CDT

The nearest sounding before it

International Fa, MN (KINL), launched 12:00Z, 8.2 hours before the alert went out and 269 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: 928 m above ground
0-6 km bulk shear: 41 kt
0-1 km storm-relative helicity: 40 m²/s²
0-3 km storm-relative helicity: 173 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

Open this sounding in Storm Lab

The text

As transmitted.

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SPC that day

Everything else SPC issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
May 29, 3:02 AM CDT	Severe Thunderstorm Watch	SPC	Cottonwood, Jackson, Lincoln, Lyon, Murray, Nobles and 2 more	5 hr
May 29, 4:16 AM CDT	Mesoscale Discussion	SPC	Murray, Nobles, Rock	89 min
May 29, 5:10 AM CDT	Mesoscale Discussion	SPC	Blue Earth, Brown, Carver, Faribault, Hennepin, Le Sueur and 9 more	2 hr
May 29, 5:41 AM CDT	Severe Thunderstorm Watch	SPC	Anoka, Blue Earth, Brown, Carver, Chisago, Dakota and 23 more	5 hr
May 29, 7:39 AM CDT	Mesoscale Discussion	SPC	Blue Earth, Carver, Dakota, Dodge, Goodhue, Hennepin and 10 more	96 min
May 29, 10:02 AM CDT	Mesoscale Discussion	SPC	Houston	88 min
May 29, 3:41 PM CDT	Severe Thunderstorm Watch	SPC	Becker, Beltrami, Clay, Clearwater, Grant, Hubbard and 12 more	6 hr
May 29, 5:43 PM CDT	Mesoscale Discussion	SPC	Becker, Beltrami, Clay, Clearwater, Hubbard, Kittson and 12 more	2 hr
May 29, 1:41 AM CDT	Mesoscale Discussion	SPC	Sargent	94 min

Nearby

Mesoscale Discussions in Minnesota, 2022 Mesoscale Discussions in North Dakota, 2022 Every mesoscale discussion 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.