Alert archive / Minnesota / Mesoscale Discussions in 2003
Mesoscale Discussion 1142
The Storm Prediction Center issued this mesoscale discussion at May 29, 2003, 7:37 PM CDT for 24 counties in Minnesota; 11 counties in North Dakota. It was in force for 113 min.
The area
The outline as issued.
The facts
- Issued
- May 29, 2003, 7:37 PM CDT (00:37 UTC)
- Expired
- May 29, 2003, 9:30 PM CDT
- In force
- 113 min
- Issued by
- the Storm Prediction Center
All 35 counties
Aitkin County, MN, Becker County, MN, Beltrami County, MN, Carlton 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, Saint Louis County, MN, Wadena County, MN, Wilkin County, MN, Barnes County, ND, Cass County, ND, Grand Forks County, ND, Griggs County, ND, Nelson County, ND, Pembina County, ND, Ransom County, ND, Richland County, ND, Steele County, ND, Traill County, ND, Walsh County, ND
The radar
The Fargo/Grand Forks radar (KMVX), 117 km from the middle of the area, began a volume at 00:36 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, 0.6 hours before the alert went out and 220 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
- 153 J/kg
- Mixed-layer CIN
- -8 J/kg
- Mixed-layer LCL
- 2268 m above ground
- 0-6 km bulk shear
- 39 kt
- 0-1 km storm-relative helicity
- 34 m²/s²
- 0-3 km storm-relative helicity
- 60 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.2
The text
As transmitted, in the capitals the NWS used until 2016.
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</html>SPC that day
Everything else SPC issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| May 29, 10:46 PM CDT | Mesoscale Discussion | SPC | Aitkin, Becker, Beltrami, Carlton, Cass, Chisago and 19 more | 89 min |
| May 29, 11:30 PM CDT | Severe Thunderstorm Watch | SPC | Aitkin, Becker, Beltrami, Benton, Carlton, Cass and 20 more | 6 hr |
| May 30, 1:23 AM CDT | Mesoscale Discussion | SPC | Aitkin, Becker, Beltrami, Benton, Carlton, Cass and 20 more | 67 min |
| May 30, 4:32 AM CDT | Mesoscale Discussion | SPC | Houston | 58 min |
Nearby
Mesoscale Discussions in Minnesota, 2003Mesoscale Discussions in North Dakota, 2003Every mesoscale discussion in 2003
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.