Alert archive / Wisconsin / Severe Thunderstorm Watches in 2003
Severe Thunderstorm Watch 591
The Storm Prediction Center issued this severe thunderstorm watch at Jun 25, 2003, 3:10 PM EDT for 7 counties in Michigan; 17 counties in Wisconsin. It was in force for 5 hr.
The area
The outline as issued.
The facts
- Issued
- Jun 25, 2003, 3:10 PM EDT (19:10 UTC)
- Expired
- Jun 25, 2003, 8:00 PM EDT
- In force
- 5 hr
- Issued by
- the Storm Prediction Center
All 24 counties
Alger County, MI, Baraga County, MI, Delta County, MI, Dickinson County, MI, Iron County, MI, Marquette County, MI, Menominee County, MI, Brown County, WI, Calumet County, WI, Door County, WI, Florence County, WI, Forest County, WI, Kewaunee County, WI, Langlade County, WI, Manitowoc County, WI, Marinette County, WI, Menominee County, WI, Oconto County, WI, Outagamie County, WI, Portage County, WI, Shawano County, WI, Waupaca County, WI, Waushara County, WI, Winnebago County, WI
The radar
The Green Bay radar (KGRB), 70 km from the middle of the area, began a volume at 19:11 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
1 tornado, severe thunderstorm and flash flood warnings for its counties while it was in force.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 25, 5:22 PM EDT | Severe Thunderstorm Warning | GRB | Calumet, Winnebago | 53 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
Green Bay/Straub, WI (KGRB), launched 12:00Z, 7.2 hours before the alert went out and 72 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
- 1761 J/kg
- Mixed-layer CIN
- -122 J/kg
- Mixed-layer LCL
- 1014 m above ground
- 0-6 km bulk shear
- 35 kt
- 0-1 km storm-relative helicity
- 17 m²/s²
- 0-3 km storm-relative helicity
- 64 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 |
|---|---|---|---|---|
| Jun 25, 2:42 PM EDT | Mesoscale Discussion | SPC | Baraga, Dickinson, Houghton, Iron, Marquette, Menominee | 2 hr |
| Jun 25, 6:14 PM EDT | Mesoscale Discussion | SPC | Alger, Delta, Dickinson, Iron, Marquette, Menominee | 91 min |
| Jun 24, 8:09 PM EDT | Mesoscale Discussion | SPC | Burnett, Dunn, Pierce, Polk, Saint Croix | 66 min |
| Jun 24, 9:15 PM EDT | Tornado Watch | SPC | Barron, Burnett, Douglas, Dunn, Pierce, Polk and 2 more | 6 hr |
| Jun 24, 11:27 PM EDT | Mesoscale Discussion | SPC | Pierce, Polk, Saint Croix | 93 min |
| Jun 25, 1:37 AM EDT | Mesoscale Discussion | SPC | Buffalo, Chippewa, Clark, Eau Claire, Jackson, La Crosse and 11 more | 113 min |
| Jun 25, 12:50 PM EDT | Mesoscale Discussion | SPC | Columbia, Dane, Dodge, Grant, Green, Green Lake and 8 more | 115 min |
| Jun 25, 1:05 PM EDT | Severe Thunderstorm Watch | SPC | Columbia, Crawford, Dane, Dodge, Fond du Lac, Grant and 14 more | 6 hr |
| Jun 25, 3:43 PM EDT | Mesoscale Discussion | SPC | Columbia, Dane, Dodge, Green, Iowa, Jefferson and 4 more | 2 hr |
Nearby
Severe Thunderstorm Watches in Wisconsin, 2003Severe Thunderstorm Watches in Michigan, 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.