Alert archive / Iowa / Severe Thunderstorm Watches in 2008
Severe Thunderstorm Watch 396
The Storm Prediction Center issued this severe thunderstorm watch at May 30, 2008, 4:58 PM CDT for 8 counties in Iowa; 5 counties in Minnesota; 5 counties in Wisconsin. It was in force for 3 hr.
The area
The outline as issued.
The facts
- Issued
- May 30, 2008, 4:58 PM CDT (21:58 UTC)
- Expired
- May 30, 2008, 8:02 PM CDT
- In force
- 3 hr
- Issued by
- the Storm Prediction Center
- Largest hail expected
- 1.5 in
- Strongest gust expected
- 60 kt
Counties Allamakee County, IA, Chickasaw County, IA, Clayton County, IA, Fayette County, IA, Floyd County, IA, Howard County, IA, Mitchell County, IA, Winneshiek County, IA, Fillmore County, MN, Houston County, MN, Mower County, MN, Olmsted County, MN, Winona County, MN, Crawford County, WI, Grant County, WI, La Crosse County, WI, Richland County, WI, Vernon County, WI
The radar
The La Crosse radar (KARX), 65 km from the middle of the area, began a volume at 22:00 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
- 20%
- One or more gusts of 65 knots or more
- 10%
- Ten or more severe hail reports
- 30%
- One or more hailstones of 2 inches or more
- 20%
- Six or more combined severe hail and wind reports
- 60%
Warnings issued inside it
7 tornado, severe thunderstorm and flash flood warnings for its counties while it was in force.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| May 30, 5:17 PM CDT | Severe Thunderstorm Warning | ARX | Fillmore, Mower, Olmsted | 28 min |
| May 30, 5:23 PM CDT | Severe Thunderstorm Warning | ARX | Winona | 82 min |
| May 30, 5:45 PM CDT | Severe Thunderstorm Warning | ARX | Fillmore | 45 min |
| May 30, 6:00 PM CDT | Severe Thunderstorm Warning | ARX | Houston | 45 min |
| May 30, 6:10 PM CDT | Severe Thunderstorm Warning | ARX | Fillmore | 20 min |
| May 30, 6:26 PM CDT | Severe Thunderstorm Warning | ARX | La Crosse, Vernon | 34 min |
| May 30, 7:00 PM CDT | Severe Thunderstorm Warning | ARX | Vernon | 45 min |
SPC that day
Everything else SPC issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| May 29, 7:37 PM CDT | Mesoscale Discussion | SPC | Adair, Adams, Appanoose, Audubon, Boone, Calhoun and 25 more | 53 min |
| May 29, 8:13 PM CDT | Tornado Watch | SPC | Adair, Adams, Appanoose, Audubon, Boone, Calhoun and 29 more | 8 hr |
| May 29, 10:21 PM CDT | Mesoscale Discussion | SPC | Plymouth, Sioux, Woodbury | 24 min |
| May 29, 11:34 PM CDT | Mesoscale Discussion | SPC | Adair, Adams, Appanoose, Audubon, Black Hawk, Boone and 38 more | 56 min |
| May 30, 1:19 AM CDT | Tornado Watch | SPC | Appanoose, Benton, Cedar, Clarke, Clinton, Davis and 25 more | 8 hr |
| May 30, 1:37 AM CDT | Mesoscale Discussion | SPC | Fremont, Harrison, Mills, Monona, Montgomery, Page and 2 more | 53 min |
| May 30, 2:17 AM CDT | Mesoscale Discussion | SPC | Adair, Adams, Appanoose, Audubon, Benton, Boone and 49 more | 88 min |
| May 30, 6:00 AM CDT | Mesoscale Discussion | SPC | Appanoose, Cedar, Clinton, Davis, Des Moines, Henry and 13 more | 2 hr |
| May 30, 7:56 AM CDT | Tornado Watch | SPC | Des Moines, Henry, Lee, Louisa, Muscatine, Van Buren | 6 hr |
| May 30, 4:29 PM CDT | Mesoscale Discussion | SPC | Davis, Des Moines, Henry, Jefferson, Lee, Louisa and 3 more | 61 min |
| May 30, 12:46 PM CDT | Mesoscale Discussion | SPC | Big Stone, Chippewa, Douglas, Grant, Kandiyohi, Lac qui Parle and 5 more | 59 min |
Nearby
Severe Thunderstorm Watches in Iowa, 2008Severe Thunderstorm Watches in Minnesota, 2008Severe Thunderstorm Watches in Wisconsin, 2008Every severe thunderstorm watch in 2008
Sources
The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; radar from the NEXRAD Level II archive.