Alert archive / Minnesota / Mesoscale Discussions in 2016
Mesoscale Discussion 1474
The Storm Prediction Center issued this mesoscale discussion at Aug 3, 2016, 9:07 PM CDT for 21 counties in Minnesota; 17 counties in North Dakota. It was in force for 113 min.
The area
The outline as issued.
The facts
- Issued
- Aug 3, 2016, 9:07 PM CDT (02:07 UTC)
- Expired
- Aug 3, 2016, 11:00 PM CDT
- In force
- 113 min
- Issued by
- the Storm Prediction Center
All 38 counties
Aitkin County, MN, Becker County, MN, Beltrami County, MN, Cass County, MN, Clay County, MN, Clearwater County, MN, Crow Wing County, MN, Hubbard County, MN, Itasca County, MN, Kittson County, MN, Koochiching County, MN, Lake of the Woods 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, Wadena County, MN, Barnes County, ND, Benson County, ND, Cass County, ND, Cavalier County, ND, Eddy County, ND, Foster County, ND, Grand Forks County, ND, Griggs County, ND, Nelson County, ND, Pembina County, ND, Ramsey County, ND, Steele County, ND, Stutsman County, ND, Towner County, ND, Traill County, ND, Walsh County, ND, Wells County, ND
The radar
The Fargo/Grand Forks radar (KMVX), 56 km from the middle of the area, began a volume at 02:09 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
International Fa, MN (KINL), launched 00:00Z, 2.1 hours before the alert went out and 267 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.
- Mixed-layer CAPE
- 258 J/kg
- Mixed-layer CIN
- -171 J/kg
- Mixed-layer LCL
- 1753 m above ground
- 0-6 km bulk shear
- 25 kt
- 0-1 km storm-relative helicity
- 29 m²/s²
- 0-3 km storm-relative helicity
- 146 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.1
The text
As transmitted.
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</html>SPC that day
Everything else SPC issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 3, 10:59 PM CDT | Severe Thunderstorm Watch | SPC | Becker, Beltrami, Big Stone, Cass, Clay, Clearwater and 21 more | 7 hr |
| Aug 4, 2:59 AM CDT | Mesoscale Discussion | SPC | Aitkin, Benton, Carlton, Chisago, Crow Wing, Isanti and 5 more | 31 min |
| Aug 4, 3:58 AM CDT | Mesoscale Discussion | SPC | Brown, Cottonwood, Jackson, Lincoln, Lyon, Murray and 5 more | 62 min |
| Aug 4, 4:48 PM CDT | Mesoscale Discussion | SPC | Fillmore, Houston | 87 min |
Nearby
Mesoscale Discussions in Minnesota, 2016Mesoscale Discussions in North Dakota, 2016Every mesoscale discussion in 2016
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.