Alert archive / Minnesota / Mesoscale Discussions in 2022

Mesoscale Discussion 1439

July 10, 20228 counties in Minnesota

The Storm Prediction Center issued this mesoscale discussion at Jul 10, 2022, 3:01 PM CDT for 8 counties in Minnesota. It was in force for 89 min.

The area

The outline as issued.

The facts

Issued: Jul 10, 2022, 3:01 PM CDT (20:01 UTC)
Expired: Jul 10, 2022, 4:30 PM CDT
In force: 89 min
Issued by: the Storm Prediction Center
Concerning: Severe thunderstorm watch 457

Counties Aitkin County, MN, Crow Wing County, MN, Kanabec County, MN, Mille Lacs County, MN, Morrison County, MN, Pine County, MN, Todd County, MN, Wadena County, MN

The radar

The Duluth radar (KDLH), 171 km from the middle of the area, began a volume at 20:03 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

Minneapolis, MN (KMPX), launched 12:00Z, 8.0 hours before the alert went out and 179 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: 1045 m above ground
0-6 km bulk shear: 41 kt
0-1 km storm-relative helicity: 117 m²/s²
0-3 km storm-relative helicity: 205 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
Jul 10, 7:47 AM CDT	Severe Thunderstorm Watch	SPC	Becker, Beltrami, Clay, Clearwater, Hubbard, Mahnomen and 5 more	3 hr
Jul 10, 9:49 AM CDT	Mesoscale Discussion	SPC	Aitkin, Becker, Beltrami, Cass, Clearwater, Crow Wing and 8 more	86 min
Jul 10, 10:17 AM CDT	Severe Thunderstorm Watch	SPC	Aitkin, Carlton, Cass, Crow Wing, Itasca, Koochiching and 2 more	3 hr
Jul 10, 12:36 PM CDT	Mesoscale Discussion	SPC	Becker, Clay, Grant, Hubbard, Otter Tail, Traverse and 2 more	114 min
Jul 10, 1:13 PM CDT	Severe Thunderstorm Watch	SPC	Big Stone, Douglas, Grant, Otter Tail, Pope, Stevens and 4 more	2 hr

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.