Alert archive / Minnesota / Mesoscale Discussions in 2022

Mesoscale Discussion 970

May 30, 202213 counties in Minnesota; 5 counties in North Dakota; Brown County, Marshall County, Roberts County, South Dakota

The Storm Prediction Center issued this mesoscale discussion at May 30, 2022, 2:03 AM CDT for 13 counties in Minnesota; 5 counties in North Dakota; Brown County, Marshall County, Roberts County, South Dakota. It was in force for 117 min.

The area

The outline as issued.

The facts

Issued
May 30, 2022, 2:03 AM CDT (07:03 UTC)
Expired
May 30, 2022, 4:00 AM CDT
In force
117 min
Issued by
the Storm Prediction Center
Concerning
Severe potential...watch possible
Chance of a watch
60%
All 21 counties

Aitkin County, MN, Becker County, MN, Cass County, MN, Clay County, MN, Clearwater County, MN, Crow Wing County, MN, Hubbard County, MN, Itasca County, MN, Mahnomen County, MN, Norman County, MN, Otter Tail County, MN, Wadena County, MN, Wilkin County, MN, Cass County, ND, Dickey County, ND, Ransom County, ND, Richland County, ND, Sargent County, ND, Brown County, SD, Marshall County, SD, Roberts County, SD

The radar

The Fargo/Grand Forks radar (KMVX), 153 km from the middle of the area, began a volume at 07:06 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.

The nearest sounding before it

Aberdeen, SD (KABR), launched 00:00Z, 7.1 hours before the alert went out and 239 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-pSkew-T log-p diagram, Aberdeen, SD at 00:00Z on 2022-05-30Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1294 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Aberdeen, SD at 00:00Z on 2022-05-30The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -3 square meters per square second.19395878Sfc1 km3 km6 km9 kmRMLM
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
1294 J/kg
Mixed-layer CIN
-49 J/kg
Mixed-layer LCL
1392 m above ground
0-6 km bulk shear
40 kt
0-1 km storm-relative helicity
-3 m²/s²
0-3 km storm-relative helicity
96 m²/s²
Significant tornado parameter
0.3
Supercell composite
3.6

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.

IssuedProductOfficeCountiesLasted
May 29, 8:31 PM CDTMesoscale DiscussionSPCBeltrami, Kittson, Koochiching, Lake of the Woods, Marshall, Pennington and 2 more89 min
May 29, 11:25 PM CDTMesoscale DiscussionSPCChippewa, Cottonwood, Jackson, Lincoln, Lyon, Murray and 5 more95 min
May 30, 12:03 AM CDTSevere Thunderstorm WatchSPCBenton, Big Stone, Blue Earth, Brown, Carver, Chippewa and 35 more8 hr
May 30, 2:21 AM CDTMesoscale DiscussionSPCBrown, Cottonwood, Jackson, Lincoln, Lyon, Martin and 6 more84 min
May 30, 2:46 AM CDTSevere Thunderstorm WatchSPCAitkin, Becker, Beltrami, Carlton, Cass, Clay and 14 more5 hr
May 30, 4:58 AM CDTMesoscale DiscussionSPCAitkin, Becker, Beltrami, Benton, Carlton, Cass and 20 more92 min
May 30, 9:27 AM CDTMesoscale DiscussionSPCMurray, Nobles, Pipestone, Rock93 min
May 30, 11:28 AM CDTMesoscale DiscussionSPCLincoln, Lyon, Murray, Nobles, Pipestone, Rock92 min
May 30, 11:49 AM CDTTornado WatchSPCCottonwood, Jackson, Lincoln, Lyon, Murray, Nobles and 2 more6 hr
May 30, 12:55 PM CDTMesoscale DiscussionSPCBenton, Chippewa, Isanti, Kanabec, Kandiyohi, McLeod and 9 more65 min
May 30, 1:34 PM CDTMesoscale DiscussionSPCCottonwood, Jackson, Lincoln, Lyon, Murray, Nobles and 2 more86 min
May 30, 2:06 PM CDTMesoscale DiscussionSPCAitkin, Anoka, Benton, Big Stone, Blue Earth, Brown and 40 more84 min
May 30, 2:37 PM CDTTornado Watch PDSSPCAitkin, Anoka, Becker, Benton, Big Stone, Blue Earth and 51 more7 hr
May 30, 4:54 PM CDTMesoscale DiscussionSPCBenton, Brown, Cottonwood, Crow Wing, Douglas, Jackson and 13 more96 min
May 30, 6:51 PM CDTMesoscale DiscussionSPCBrown, Chippewa, Cottonwood, Jackson, Lincoln, Lyon and 7 more54 min
May 29, 7:16 PM CDTTornado WatchSPCAurora, Bon Homme, Charles Mix, Clay, Davison, Douglas and 13 more8 hr
May 29, 9:16 PM CDTMesoscale DiscussionSPCAurora, Bon Homme, Charles Mix, Clay, Davison, Douglas and 12 more89 min

Nearby

Mesoscale Discussions in Minnesota, 2022Mesoscale Discussions in North Dakota, 2022Mesoscale Discussions in South Dakota, 2022Every 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.