Alert archive / Wisconsin / Severe Thunderstorm Watches in 2006
Severe Thunderstorm Watch 554
The Storm Prediction Center issued this severe thunderstorm watch at Jun 24, 2006, 3:45 PM CDT for 7 counties in Minnesota; 17 counties in Wisconsin. It was in force for 5 hr.
The area
The outline as issued.
The facts
- Issued
- Jun 24, 2006, 3:45 PM CDT (20:45 UTC)
- Expired
- Jun 24, 2006, 9:00 PM CDT
- In force
- 5 hr
- Issued by
- the Storm Prediction Center
- Largest hail expected
- 2 in
- Strongest gust expected
- 60 kt
All 24 counties
Dodge County, MN, Fillmore County, MN, Houston County, MN, Mower County, MN, Olmsted County, MN, Wabasha County, MN, Winona County, MN, Adams County, WI, Barron County, WI, Buffalo County, WI, Chippewa County, WI, Dunn County, WI, Eau Claire County, WI, Jackson County, WI, Juneau 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, Trempealeau County, WI, Vernon County, WI
The radar
The La Crosse radar (KARX), 68 km from the middle of the area, began a volume at 20:48 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.
What SPC expected
The probabilities SPC published with the watch, for the watch area over its life.
- Two or more tornadoes
- 10%
- One or more EF2 to EF5 tornadoes
- 2%
- Ten or more severe wind reports
- 40%
- One or more gusts of 65 knots or more
- 20%
- Ten or more severe hail reports
- 60%
- One or more hailstones of 2 inches or more
- 10%
- Six or more combined severe hail and wind reports
- 90%
Warnings issued inside it
4 tornado, severe thunderstorm and flash flood warnings for its counties while it was in force.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 24, 4:21 PM CDT | Severe Thunderstorm Warning | ARX | Trempealeau | 24 min |
| Jun 24, 4:56 PM CDT | Severe Thunderstorm Warning | ARX | Jackson | 34 min |
| Jun 24, 6:12 PM CDT | Severe Thunderstorm Warning | MPX | Dunn, Pepin | 31 min |
| Jun 24, 7:18 PM CDT | Severe Thunderstorm Warning | ARX | Monroe | 32 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, 8.8 hours before the alert went out and 161 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
- 92 J/kg
- Mixed-layer CIN
- -159 J/kg
- Mixed-layer LCL
- 1434 m above ground
- 0-6 km bulk shear
- 26 kt
- 0-1 km storm-relative helicity
- 30 m²/s²
- 0-3 km storm-relative helicity
- 55 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 |
|---|---|---|---|---|
| Jun 23, 9:17 PM CDT | Mesoscale Discussion | SPC | Big Stone, Brown, Chippewa, Cottonwood, Jackson, Kandiyohi and 14 more | 58 min |
| Jun 24, 12:13 PM CDT | Mesoscale Discussion | SPC | Benton, Big Stone, Carver, Chippewa, Douglas, Grant and 20 more | 92 min |
| Jun 24, 12:34 PM CDT | Severe Thunderstorm Watch | SPC | Anoka, Benton, Blue Earth, Brown, Carver, Chippewa and 43 more | 6 hr |
| Jun 24, 3:34 PM CDT | Mesoscale Discussion | SPC | Anoka, Blue Earth, Brown, Carver, Chisago, Cottonwood and 31 more | 86 min |
| Jun 24, 5:28 PM CDT | Mesoscale Discussion | SPC | Anoka, Blue Earth, Brown, Carver, Dakota, Dodge and 22 more | 92 min |
| Jun 24, 12:30 PM CDT | Mesoscale Discussion | SPC | Adams, Brown, Calumet, Chippewa, Clark, Eau Claire and 26 more | 90 min |
| Jun 24, 12:54 PM CDT | Severe Thunderstorm Watch | SPC | Brown, Calumet, Clark, Jackson, Langlade, Lincoln and 12 more | 6 hr |
| Jun 24, 2:04 PM CDT | Mesoscale Discussion | SPC | Columbia, Dane, Dodge, Grant, Green, Iowa and 6 more | 86 min |
Nearby
Severe Thunderstorm Watches in Wisconsin, 2006Severe Thunderstorm Watches in Minnesota, 2006Every severe thunderstorm watch in 2006
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.