Alert archive / Minnesota / Mesoscale Discussions in 2022

Mesoscale Discussion 976

May 30, 202215 counties in Minnesota

The Storm Prediction Center issued this mesoscale discussion at May 30, 2022, 12:55 PM CDT for 15 counties in Minnesota. It was in force for 65 min.

The area

The outline as issued.

The facts

Issued: May 30, 2022, 12:55 PM CDT (17:55 UTC)
Expired: May 30, 2022, 2:00 PM CDT
In force: 65 min
Issued by: the Storm Prediction Center
Concerning: Severe potential...watch unlikely
Chance of a watch: 20%

Counties Benton County, MN, Chippewa County, MN, Isanti County, MN, Kanabec County, MN, Kandiyohi County, MN, McLeod County, MN, Meeker County, MN, Mille Lacs County, MN, Morrison County, MN, Redwood County, MN, Renville County, MN, Sherburne County, MN, Stearns County, MN, Swift County, MN, Wright County, MN

The radar

The Minneapolis radar (KMPX), 87 km from the middle of the area, began a volume at 17:59 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.

Tornado Watch 293May 30, 2:30 PM CDT

The nearest sounding before it

Minneapolis, MN (KMPX), launched 12:00Z, 5.9 hours before the alert went out and 86 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: 1332 m above ground
0-6 km bulk shear: 64 kt
0-1 km storm-relative helicity: -103 m²/s²
0-3 km storm-relative helicity: -23 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.1

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, 8:31 PM CDT	Mesoscale Discussion	SPC	Beltrami, Kittson, Koochiching, Lake of the Woods, Marshall, Pennington and 2 more	89 min
May 29, 11:25 PM CDT	Mesoscale Discussion	SPC	Chippewa, Cottonwood, Jackson, Lincoln, Lyon, Murray and 5 more	95 min
May 30, 12:03 AM CDT	Severe Thunderstorm Watch	SPC	Benton, Big Stone, Blue Earth, Brown, Carver, Chippewa and 35 more	8 hr
May 30, 2:03 AM CDT	Mesoscale Discussion	SPC	Aitkin, Becker, Cass, Clay, Clearwater, Crow Wing and 7 more	117 min
May 30, 2:21 AM CDT	Mesoscale Discussion	SPC	Brown, Cottonwood, Jackson, Lincoln, Lyon, Martin and 6 more	84 min
May 30, 2:46 AM CDT	Severe Thunderstorm Watch	SPC	Aitkin, Becker, Beltrami, Carlton, Cass, Clay and 14 more	5 hr
May 30, 4:58 AM CDT	Mesoscale Discussion	SPC	Aitkin, Becker, Beltrami, Benton, Carlton, Cass and 20 more	92 min
May 30, 9:27 AM CDT	Mesoscale Discussion	SPC	Murray, Nobles, Pipestone, Rock	93 min
May 30, 11:28 AM CDT	Mesoscale Discussion	SPC	Lincoln, Lyon, Murray, Nobles, Pipestone, Rock	92 min
May 30, 11:49 AM CDT	Tornado Watch	SPC	Cottonwood, Jackson, Lincoln, Lyon, Murray, Nobles and 2 more	6 hr
May 30, 1:34 PM CDT	Mesoscale Discussion	SPC	Cottonwood, Jackson, Lincoln, Lyon, Murray, Nobles and 2 more	86 min
May 30, 2:06 PM CDT	Mesoscale Discussion	SPC	Aitkin, Anoka, Benton, Big Stone, Blue Earth, Brown and 40 more	84 min
May 30, 2:37 PM CDT	Tornado Watch PDS	SPC	Aitkin, Anoka, Becker, Benton, Big Stone, Blue Earth and 51 more	7 hr
May 30, 4:54 PM CDT	Mesoscale Discussion	SPC	Benton, Brown, Cottonwood, Crow Wing, Douglas, Jackson and 13 more	96 min
May 30, 6:51 PM CDT	Mesoscale Discussion	SPC	Brown, Chippewa, Cottonwood, Jackson, Lincoln, Lyon and 7 more	54 min

Nearby

Mesoscale Discussions in Minnesota, 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.