Alert archive / Minnesota / Severe Thunderstorm Watches in 2003
Severe Thunderstorm Watch 814
The Storm Prediction Center issued this severe thunderstorm watch at Jul 29, 2003, 5:10 PM CDT for 10 counties in Iowa; 46 counties in Minnesota; 10 counties in South Dakota. It was in force for 5 hr.
The area
The outline as issued.
The facts
- Issued
- Jul 29, 2003, 5:10 PM CDT (22:10 UTC)
- Expired
- Jul 29, 2003, 10:00 PM CDT
- In force
- 5 hr
- Issued by
- the Storm Prediction Center
All 66 counties
Buena Vista County, IA, Cherokee County, IA, Clay County, IA, Dickinson County, IA, Emmet County, IA, Lyon County, IA, O'Brien County, IA, Osceola County, IA, Plymouth County, IA, Sioux County, IA, Aitkin County, MN, Benton County, MN, Brown County, MN, Carlton County, MN, Carver County, MN, Cass County, MN, Chippewa County, MN, Cottonwood County, MN, Crow Wing County, MN, Douglas County, MN, Grant County, MN, Hubbard County, MN, Isanti County, MN, Itasca County, MN, Jackson County, MN, Kanabec County, MN, Kandiyohi County, MN, Koochiching County, MN, Lac qui Parle County, MN, Lincoln County, MN, Lyon County, MN, Martin County, MN, McLeod County, MN, Meeker County, MN, Mille Lacs County, MN, Morrison County, MN, Murray County, MN, Nicollet County, MN, Nobles County, MN, Otter Tail County, MN, Pipestone County, MN, Pope County, MN, Redwood County, MN, Renville County, MN, Rock County, MN, Saint Louis County, MN, Sherburne County, MN, Sibley County, MN, Stearns County, MN, Stevens County, MN, Swift County, MN, Todd County, MN, Wadena County, MN, Watonwan County, MN, Wright County, MN, Yellow Medicine County, MN, Brookings County, SD, Clay County, SD, Deuel County, SD, Lake County, SD, Lincoln County, SD, Minnehaha County, SD, Moody County, SD, Turner County, SD, Union County, SD, Yankton County, SD
The radar
The Minneapolis radar (KMPX), 140 km from the middle of the area, began a volume at 22:11 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.
Warnings issued inside it
6 tornado, severe thunderstorm and flash flood warnings for its counties while it was in force.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 29, 5:18 PM CDT | Severe Thunderstorm Warning | MPX | Pope, Stevens | 57 min |
| Jul 29, 6:01 PM CDT | Severe Thunderstorm Warning | MPX | Douglas, Todd | 44 min |
| Jul 29, 6:26 PM CDT | Severe Thunderstorm Warning | FGF | Hubbard | 49 min |
| Jul 29, 7:16 PM CDT | Severe Thunderstorm Warning | FGF | Hubbard | 44 min |
| Jul 29, 7:26 PM CDT | Severe Thunderstorm Warning | DLH | Cass | 64 min |
| Jul 29, 8:24 PM CDT | Severe Thunderstorm Warning | DLH | Koochiching | 51 min |
Discussions around it
SPC mesoscale discussions over the same counties from four hours before the watch to its end.
The nearest sounding before it
Minneapolis, MN (KMPX), launched 12:00Z, 10.2 hours before the alert went out and 137 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
- 4 J/kg
- Mixed-layer CIN
- -101 J/kg
- Mixed-layer LCL
- 1500 m above ground
- 0-6 km bulk shear
- 27 kt
- 0-1 km storm-relative helicity
- 11 m²/s²
- 0-3 km storm-relative helicity
- 37 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
SPC that day
Everything else SPC issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 29, 12:42 PM CDT | Mesoscale Discussion | SPC | Clay, Norman, Polk, Red Lake, Traverse, Wilkin | 108 min |
| Jul 29, 3:05 PM CDT | Severe Thunderstorm Watch | SPC | Becker, Beltrami, Clay, Clearwater, Kittson, Lake of the Woods and 9 more | 6 hr |
| Jul 29, 3:09 PM CDT | Mesoscale Discussion | SPC | Becker, Beltrami, Big Stone, Cass, Chippewa, Clay and 22 more | 2 hr |
| Jul 29, 1:40 PM CDT | Severe Thunderstorm Watch | SPC | Aurora, Beadle, Brule, Buffalo, Charles Mix, Clark and 20 more | 5 hr |
Nearby
Severe Thunderstorm Watches in Minnesota, 2003Severe Thunderstorm Watches in Iowa, 2003Severe Thunderstorm Watches in South Dakota, 2003Every severe thunderstorm watch 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.