Alert archive / Minnesota / Severe Thunderstorm Watches in 2005
Severe Thunderstorm Watch 701
The Storm Prediction Center issued this severe thunderstorm watch at Aug 3, 2005, 7:40 PM CDT for 11 counties in Iowa; 20 counties in Minnesota. It was in force for 5 hr.
The area
The outline as issued.
The facts
- Issued
- Aug 3, 2005, 7:40 PM CDT (00:40 UTC)
- Expired
- Aug 4, 2005, 12:37 AM CDT
- In force
- 5 hr
- Issued by
- the Storm Prediction Center
All 31 counties
Cherokee County, IA, Clay County, IA, Dickinson County, IA, Emmet County, IA, Kossuth County, IA, Lyon County, IA, O'Brien County, IA, Osceola County, IA, Palo Alto County, IA, Plymouth County, IA, Sioux County, IA, Brown County, MN, Chippewa County, MN, Cottonwood County, MN, Jackson County, MN, Kandiyohi County, MN, Lincoln County, MN, Lyon County, MN, Martin County, MN, McLeod County, MN, Meeker County, MN, Murray County, MN, Nicollet County, MN, Nobles County, MN, Pipestone County, MN, Redwood County, MN, Renville County, MN, Rock County, MN, Sibley County, MN, Watonwan County, MN, Yellow Medicine County, MN
The radar
The Minneapolis radar (KMPX), 131 km from the middle of the area, began a volume at 00:39 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
12 tornado, severe thunderstorm and flash flood warnings for its counties while it was in force.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 3, 8:22 PM CDT | Severe Thunderstorm Warning | FSD | Murray, Nobles, Pipestone, Rock | 38 min |
| Aug 3, 8:25 PM CDT | Severe Thunderstorm Warning | MPX | Redwood, Yellow Medicine | 65 min |
| Aug 3, 8:39 PM CDT | Severe Thunderstorm Warning | FSD | Lyon | 24 min |
| Aug 3, 8:44 PM CDT | Severe Thunderstorm Warning | FSD | Lyon | 20 min |
| Aug 3, 9:01 PM CDT | Severe Thunderstorm Warning | FSD | Cottonwood, Murray | 59 min |
| Aug 3, 9:26 PM CDT | Severe Thunderstorm Warning | MPX | Brown, Nicollet, Redwood, Renville, Sibley | 64 min |
| Aug 3, 9:35 PM CDT | Severe Thunderstorm Warning | FSD | Plymouth, Woodbury | 40 min |
| Aug 3, 9:36 PM CDT | Severe Thunderstorm Warning | MPX | Watonwan | 54 min |
| Aug 3, 10:10 PM CDT | Severe Thunderstorm Warning | FSD | Plymouth, Woodbury | 35 min |
| Aug 3, 10:24 PM CDT | Severe Thunderstorm Warning | MPX | Nicollet, Sibley | 66 min |
| Aug 3, 10:30 PM CDT | Severe Thunderstorm Warning | FSD | Cherokee | 45 min |
| Aug 3, 10:43 PM CDT | Severe Thunderstorm Warning | MPX | Faribault, Martin | 38 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 00:00Z, 0.7 hours before the alert went out and 129 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
- 0 J/kg
- Mixed-layer CIN
- No buoyant parcel
- Mixed-layer LCL
- 1345 m above ground
- 0-6 km bulk shear
- 27 kt
- 0-1 km storm-relative helicity
- 64 m²/s²
- 0-3 km storm-relative helicity
- 84 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.8
SPC that day
Everything else SPC issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 3, 10:02 PM CDT | Mesoscale Discussion | SPC | Buena Vista, Cherokee, Clay, Dickinson, Emmet, Ida and 7 more | 88 min |
| Aug 4, 10:45 AM CDT | Mesoscale Discussion | SPC | Allamakee, Benton, Black Hawk, Bremer, Buchanan, Cedar and 24 more | 60 min |
Nearby
Severe Thunderstorm Watches in Minnesota, 2005Severe Thunderstorm Watches in Iowa, 2005Every severe thunderstorm watch in 2005
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.