Alert archive / Wisconsin / Severe Thunderstorm Watches in 2005
Severe Thunderstorm Watch 663
The Storm Prediction Center issued this severe thunderstorm watch at Jul 23, 2005, 10:15 AM CDT for 7 counties in Minnesota; 16 counties in Wisconsin. It was in force for 5 hr.
The area
The outline as issued.
The facts
- Issued
- Jul 23, 2005, 10:15 AM CDT (15:15 UTC)
- Expired
- Jul 23, 2005, 2:49 PM CDT
- In force
- 5 hr
- Issued by
- the Storm Prediction Center
All 23 counties
Chisago County, MN, Dodge County, MN, Goodhue County, MN, Olmsted County, MN, Wabasha County, MN, Washington County, MN, Winona County, MN, Barron County, WI, Buffalo County, WI, Chippewa County, WI, Clark County, WI, Dunn County, WI, Eau Claire County, WI, Jackson County, WI, La Crosse County, WI, Monroe County, WI, Pepin County, WI, Pierce County, WI, Polk County, WI, Rusk County, WI, Saint Croix County, WI, Taylor County, WI, Trempealeau County, WI
The radar
The La Crosse radar (KARX), 127 km from the middle of the area, began a volume at 15:18 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
8 tornado, severe thunderstorm and flash flood warnings for its counties while it was in force.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 23, 10:39 AM CDT | Severe Thunderstorm Warning | MPX | Chisago, Ramsey, Washington | 53 min |
| Jul 23, 10:58 AM CDT | Severe Thunderstorm Warning | MPX | Polk, Saint Croix | 62 min |
| Jul 23, 11:08 AM CDT | Severe Thunderstorm Warning | MPX | Pierce | 67 min |
| Jul 23, 11:24 AM CDT | Severe Thunderstorm Warning | MPX | Barron, Dunn | 66 min |
| Jul 23, 11:48 AM CDT | Severe Thunderstorm Warning | ARX | Buffalo, Trempealeau | 57 min |
| Jul 23, 11:54 AM CDT | Severe Thunderstorm Warning | MPX | Chippewa, Eau Claire, Pepin | 66 min |
| Jul 23, 12:17 PM CDT | Severe Thunderstorm Warning | ARX | Clark, Jackson, Taylor | 73 min |
| Jul 23, 1:08 PM CDT | Severe Thunderstorm Warning | ARX | Adams, Juneau, Monroe | 82 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, 3.3 hours before the alert went out and 301 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
- 1843 m above ground
- 0-6 km bulk shear
- 36 kt
- 0-1 km storm-relative helicity
- 97 m²/s²
- 0-3 km storm-relative helicity
- 197 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 23, 7:15 AM CDT | Severe Thunderstorm Watch | SPC | Anoka, Big Stone, Carver, Chippewa, Dakota, Dodge and 25 more | 5 hr |
| Jul 23, 9:47 AM CDT | Mesoscale Discussion | SPC | Anoka, Carver, Dakota, Dodge, Goodhue, Hennepin and 16 more | 88 min |
| Jul 23, 12:24 PM CDT | Mesoscale Discussion | SPC | Adams, Barron, Buffalo, Calumet, Chippewa, Clark and 21 more | 96 min |
| Jul 23, 12:50 PM CDT | Severe Thunderstorm Watch | SPC | Adams, Brown, Calumet, Columbia, Dodge, Fond du Lac and 17 more | 3 hr |
| Jul 23, 3:10 PM CDT | Mesoscale Discussion | SPC | Columbia, Dane, Dodge, Fond du Lac, Green, Jefferson and 8 more | 95 min |
| Jul 23, 3:10 PM CDT | Severe Thunderstorm Watch | SPC | Columbia, Dodge, Fond du Lac, Green Lake, Jefferson, Kenosha and 8 more | 2 hr |
| Jul 23, 4:49 PM CDT | Mesoscale Discussion | SPC | Kenosha, Milwaukee, Racine, Rock, Walworth | 86 min |
Nearby
Severe Thunderstorm Watches in Wisconsin, 2005Severe Thunderstorm Watches in Minnesota, 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.