Alert archive / Minnesota / Severe Thunderstorm Watches in 2002
Severe Thunderstorm Watch 537
The Storm Prediction Center issued this severe thunderstorm watch at Jul 27, 2002, 12:00 PM CDT for 29 counties in Minnesota; 11 counties in Wisconsin. It was in force for 6 hr.
The area
The outline as issued.
The facts
- Issued
- Jul 27, 2002, 12:00 PM CDT (17:00 UTC)
- Expired
- Jul 27, 2002, 6:00 PM CDT
- In force
- 6 hr
- Issued by
- the Storm Prediction Center
All 40 counties
Anoka County, MN, Benton County, MN, Carver County, MN, Chisago County, MN, Crow Wing County, MN, Dakota County, MN, Goodhue County, MN, Hennepin County, MN, Isanti County, MN, Kanabec County, MN, Kandiyohi County, MN, Le Sueur County, MN, McLeod County, MN, Meeker County, MN, Mille Lacs County, MN, Morrison County, MN, Nicollet County, MN, Pine County, MN, Ramsey County, MN, Renville County, MN, Rice County, MN, Scott County, MN, Sherburne County, MN, Sibley County, MN, Stearns County, MN, Todd County, MN, Wabasha County, MN, Washington County, MN, Wright County, MN, Barron County, WI, Buffalo County, WI, Burnett County, WI, Chippewa County, WI, Douglas County, WI, Dunn County, WI, Pepin County, WI, Pierce County, WI, Polk County, WI, Saint Croix County, WI, Washburn County, WI
The radar
The Minneapolis radar (KMPX), 92 km from the middle of the area, began a volume at 17:03 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.
Warnings issued inside it
18 tornado, severe thunderstorm and flash flood warnings for its counties while it was in force.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 27, 12:02 PM CDT | Severe Thunderstorm Warning | MPX | Pope, Stearns | 43 min |
| Jul 27, 12:25 PM CDT | Severe Thunderstorm Warning | MPX | Morrison | 50 min |
| Jul 27, 12:46 PM CDT | Severe Thunderstorm Warning | MPX | Benton, Stearns | 44 min |
| Jul 27, 12:56 PM CDT | Severe Thunderstorm Warning | MPX | Kandiyohi | 49 min |
| Jul 27, 1:10 PM CDT | Severe Thunderstorm Warning | MPX | Mille Lacs | 50 min |
| Jul 27, 1:15 PM CDT | Severe Thunderstorm Warning | MPX | Morrison | 30 min |
| Jul 27, 1:30 PM CDT | Severe Thunderstorm Warning | MPX | Isanti, Kanabec | 45 min |
| Jul 27, 1:35 PM CDT | Severe Thunderstorm Warning | MPX | Meeker, Stearns | 40 min |
| Jul 27, 1:42 PM CDT | Severe Thunderstorm Warning | DLH | Pine | 63 min |
| Jul 27, 1:45 PM CDT | Severe Thunderstorm Warning | MPX | Kandiyohi | 45 min |
| Jul 27, 1:58 PM CDT | Severe Thunderstorm Warning | MPX | Wright | 47 min |
| Jul 27, 2:03 PM CDT | Severe Thunderstorm Warning | MPX | Chisago | 42 min |
| Jul 27, 2:17 PM CDT | Severe Thunderstorm Warning | MPX | Meeker | 43 min |
| Jul 27, 2:46 PM CDT | Severe Thunderstorm Warning | DLH | Pine | 59 min |
| Jul 27, 2:49 PM CDT | Severe Thunderstorm Warning | MPX | Polk | 41 min |
| Jul 27, 3:07 PM CDT | Severe Thunderstorm Warning | DLH | Douglas | 53 min |
| Jul 27, 3:40 PM CDT | Severe Thunderstorm Warning | MPX | Carver, Hennepin, Wright | 50 min |
| Jul 27, 4:22 PM CDT | Severe Thunderstorm Warning | MPX | Ramsey, Washington | 38 min |
The nearest sounding before it
Minneapolis, MN (KMPX), launched 12:00Z, 5.0 hours before the alert went out and 92 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
- 485 J/kg
- Mixed-layer CIN
- -155 J/kg
- Mixed-layer LCL
- 1016 m above ground
- 0-6 km bulk shear
- 45 kt
- 0-1 km storm-relative helicity
- 28 m²/s²
- 0-3 km storm-relative helicity
- 33 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.6
SPC that day
Everything else SPC issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 27, 6:45 PM CDT | Severe Thunderstorm Watch | SPC | Faribault, Fillmore, Freeborn, Houston, Mower, Olmsted and 1 more | 5 hr |
| Jul 27, 3:20 PM CDT | Severe Thunderstorm Watch | SPC | Ashland, Bayfield, Chippewa, Clark, Eau Claire, Florence and 16 more | 6 hr |
Nearby
Severe Thunderstorm Watches in Minnesota, 2002Severe Thunderstorm Watches in Wisconsin, 2002Every severe thunderstorm watch in 2002
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.