Alert archive / Iowa / Tornado Watches in 2013

Tornado Watch 298

June 12, 20134 states

The Storm Prediction Center issued this tornado watch at Jun 12, 2013, 1:49 PM CDT for 4 states. It was in force for 9 hr.

The area

The outline as issued.

The facts

Issued: Jun 12, 2013, 1:49 PM CDT (18:49 UTC)
Expired: Jun 12, 2013, 11:00 PM CDT
In force: 9 hr
Issued by: the Storm Prediction Center
Particularly dangerous situation: Yes
Largest hail expected: 3 in
Strongest gust expected: 70 kt

All 68 counties

Allamakee County, IA, Benton County, IA, Black Hawk County, IA, Bremer County, IA, Buchanan County, IA, Butler County, IA, Cedar County, IA, Cerro Gordo County, IA, Chickasaw County, IA, Clayton County, IA, Clinton County, IA, Delaware County, IA, Dubuque County, IA, Fayette County, IA, Floyd County, IA, Franklin County, IA, Grundy County, IA, Hamilton County, IA, Hancock County, IA, Hardin County, IA, Howard County, IA, Iowa County, IA, Jackson County, IA, Johnson County, IA, Jones County, IA, Linn County, IA, Mitchell County, IA, Muscatine County, IA, Scott County, IA, Tama County, IA, Winnebago County, IA, Winneshiek County, IA, Worth County, IA, Wright County, IA, Boone County, IL, Bureau County, IL, Carroll County, IL, DeKalb County, IL, Grundy County, IL, Henry County, IL, Jo Daviess County, IL, Kane County, IL, Kendall County, IL, LaSalle County, IL, Lee County, IL, Livingston County, IL, McHenry County, IL, Ogle County, IL, Putnam County, IL, Rock Island County, IL, Stephenson County, IL, Whiteside County, IL, Winnebago County, IL, Fillmore County, MN, Houston County, MN, Mower County, MN, Crawford County, WI, Dane County, WI, Grant County, WI, Green County, WI, Iowa County, WI, Jefferson County, WI, Lafayette County, WI, Richland County, WI, Rock County, WI, Sauk County, WI, Vernon County, WI, Walworth County, WI

The radar

The Quad Cities radar (KDVN), 143 km from the middle of the area, began a volume at 18:51 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: 60%
One or more EF2 to EF5 tornadoes: 60%
Ten or more severe wind reports: 60%
One or more gusts of 65 knots or more: 50%
Ten or more severe hail reports: 40%
One or more hailstones of 2 inches or more: 40%
Six or more combined severe hail and wind reports: 80%

Warnings issued inside it

74 tornado, severe thunderstorm and flash flood warnings for its counties while it was in force.

Issued	Product	Office	Counties	Lasted
Jun 12, 3:34 PM CDT	Severe Thunderstorm Warning	LOT	Lee, Ogle	56 min
Jun 12, 3:43 PM CDT	Tornado Warning	LOT	Lee, Ogle	47 min
Jun 12, 3:55 PM CDT	Severe Thunderstorm Warning	ARX	Clayton	65 min
Jun 12, 3:56 PM CDT	Tornado Warning	LOT	Winnebago	34 min
Jun 12, 4:03 PM CDT	Severe Thunderstorm Warning	LOT	Ogle	27 min
Jun 12, 4:05 PM CDT	Tornado Warning	ARX	Clayton	25 min
Jun 12, 4:15 PM CDT	Severe Thunderstorm Warning	LOT	Boone, Winnebago	30 min
Jun 12, 4:15 PM CDT	Severe Thunderstorm Warning	LOT	LaSalle, Lee	45 min
Jun 12, 4:16 PM CDT	Tornado Warning	DMX	Cerro Gordo, Franklin, Hancock, Wright	29 min
Jun 12, 4:17 PM CDT	Severe Thunderstorm Warning	LOT	DeKalb, Lee, Ogle	58 min
Jun 12, 4:25 PM CDT	Tornado Warning	LOT	DeKalb, Lee	50 min
Jun 12, 4:25 PM CDT	Tornado Warning	DMX	Bremer, Butler	35 min
Jun 12, 4:29 PM CDT	Tornado Warning	ARX	Clayton	46 min
Jun 12, 4:35 PM CDT	Severe Thunderstorm Warning	ARX	Grant, Richland	55 min
Jun 12, 4:38 PM CDT	Flash Flood Warning	LOT	Winnebago	112 min
Jun 12, 4:38 PM CDT	Tornado Warning	ARX	Grant	37 min
Jun 12, 4:39 PM CDT	Tornado Warning Tornado observed	DMX	Franklin	36 min
Jun 12, 4:42 PM CDT	Severe Thunderstorm Warning	DVN	Buchanan, Delaware	48 min
Jun 12, 4:44 PM CDT	Tornado Warning	MKX	Iowa	46 min
Jun 12, 4:45 PM CDT	Severe Thunderstorm Warning	LOT	Boone, McHenry	60 min
Jun 12, 4:49 PM CDT	Tornado Warning	DMX	Black Hawk	26 min
Jun 12, 4:50 PM CDT	Severe Thunderstorm Warning	LOT	Kane, Kendall	55 min
Jun 12, 4:51 PM CDT	Severe Thunderstorm Warning	DVN	Jo Daviess	39 min
Jun 12, 4:52 PM CDT	Severe Thunderstorm Warning	DVN	Buchanan	38 min
Jun 12, 4:54 PM CDT	Severe Thunderstorm Warning	LOT	Kendall, LaSalle	66 min
Jun 12, 4:54 PM CDT	Tornado Warning	DMX	Black Hawk, Bremer, Butler	36 min
Jun 12, 4:59 PM CDT	Severe Thunderstorm Warning	MKX	Columbia, Green Lake, Marquette, Sauk	46 min
Jun 12, 5:04 PM CDT	Severe Thunderstorm Warning	LOT	DeKalb, Kane	26 min
Jun 12, 5:12 PM CDT	Severe Thunderstorm Warning	LOT	Kendall	33 min
Jun 12, 5:13 PM CDT	Tornado Warning	LOT	Kendall	47 min
Jun 12, 5:14 PM CDT	Tornado Warning	DMX	Butler, Franklin	31 min
Jun 12, 5:17 PM CDT	Flash Flood Warning	LOT	DeKalb	6 hr
Jun 12, 5:23 PM CDT	Severe Thunderstorm Warning	LOT	Cook, DuPage, Kane	37 min
Jun 12, 5:24 PM CDT	Tornado Warning	DVN	Jo Daviess	36 min
Jun 12, 5:29 PM CDT	Tornado Warning	DMX	Black Hawk, Bremer	31 min
Jun 12, 5:30 PM CDT	Severe Thunderstorm Warning	MKX	Columbia, Dane, Dodge, Fond du Lac, Green Lake	60 min
Jun 12, 5:34 PM CDT	Tornado Warning	DMX	Cerro Gordo, Franklin	41 min
Jun 12, 5:37 PM CDT	Severe Thunderstorm Warning	DMX	Winnebago, Worth	53 min
Jun 12, 5:38 PM CDT	Severe Thunderstorm Warning	LOT	Grundy, Kankakee, Kendall, LaSalle, Will	67 min
Jun 12, 5:40 PM CDT	Flash Flood Warning	LOT	DuPage, Kane, Kendall, Will	110 min
Jun 12, 5:41 PM CDT	Severe Thunderstorm Warning	ARX	Fillmore, Houston	49 min
Jun 12, 5:44 PM CDT	Tornado Warning	DMX	Black Hawk, Bremer, Butler	31 min
Jun 12, 5:54 PM CDT	Severe Thunderstorm Warning	ARX	Howard, Mitchell	66 min
Jun 12, 6:02 PM CDT	Tornado Warning	DVN	Jo Daviess	28 min
Jun 12, 6:02 PM CDT	Severe Thunderstorm Warning	MKX	Columbia, Dane, Dodge, Green, Jefferson, Rock and 3 more	58 min
Jun 12, 6:04 PM CDT	Tornado Warning	DMX	Butler, Franklin	41 min
Jun 12, 6:07 PM CDT	Severe Thunderstorm Warning	MKX	Walworth	38 min
Jun 12, 6:08 PM CDT	Flash Flood Warning	LOT	Cook, DeKalb, DuPage, Grundy, Kane, Kendall and 2 more	3 hr
Jun 12, 6:15 PM CDT	Tornado Warning	DVN	Jo Daviess	30 min
Jun 12, 6:24 PM CDT	Severe Thunderstorm Warning	LOT	DeKalb, LaSalle	36 min
Jun 12, 6:40 PM CDT	Tornado Warning	DMX	Black Hawk, Bremer, Butler	35 min
Jun 12, 6:46 PM CDT	Tornado Warning	DVN	Carroll, Jo Daviess	29 min
Jun 12, 6:52 PM CDT	Severe Thunderstorm Warning	MKX	Dodge, Jefferson, Kenosha, Milwaukee, Ozaukee, Racine and 4 more	53 min
Jun 12, 7:08 PM CDT	Tornado Warning Tornado observed	DVN	Carroll	37 min
Jun 12, 7:10 PM CDT	Tornado Warning	DMX	Black Hawk, Bremer	35 min
Jun 12, 7:19 PM CDT	Severe Thunderstorm Warning	DMX	Bremer, Butler	41 min
Jun 12, 7:22 PM CDT	Severe Thunderstorm Warning	DMX	Worth	38 min
Jun 12, 7:42 PM CDT	Tornado Warning	DVN	Carroll, Whiteside	33 min
Jun 12, 7:46 PM CDT	Severe Thunderstorm Warning	DVN	Dubuque	44 min
Jun 12, 7:48 PM CDT	Severe Thunderstorm Warning	LOT	Ford, Iroquois, Kankakee, Livingston, Will	57 min
Jun 12, 7:51 PM CDT	Tornado Warning	DMX	Bremer	24 min
Jun 12, 7:58 PM CDT	Severe Thunderstorm Warning	ARX	Fayette	62 min
Jun 12, 8:07 PM CDT	Tornado Warning	DVN	Jo Daviess	23 min
Jun 12, 8:11 PM CDT	Severe Thunderstorm Warning	DMX	Black Hawk, Bremer	19 min
Jun 12, 8:12 PM CDT	Severe Thunderstorm Warning	DMX	Cerro Gordo	18 min
Jun 12, 8:15 PM CDT	Severe Thunderstorm Warning	ARX	Floyd, Mitchell	60 min
Jun 12, 8:25 PM CDT	Severe Thunderstorm Warning	DMX	Bremer, Butler	50 min
Jun 12, 8:28 PM CDT	Severe Thunderstorm Warning	DVN	Carroll, Jo Daviess	47 min
Jun 12, 8:30 PM CDT	Flash Flood Warning	DMX	Cerro Gordo, Worth	6 hr
Jun 12, 8:41 PM CDT	Severe Thunderstorm Warning	LOT	DeKalb, Lee, Ogle	34 min
Jun 12, 8:41 PM CDT	Flash Flood Warning	ARX	Floyd, Mitchell	3 hr
Jun 12, 8:43 PM CDT	Severe Thunderstorm Warning	LOT	Ford, Iroquois, Kankakee, Livingston	77 min
Jun 12, 9:02 PM CDT	Severe Thunderstorm Warning	LOT	DeKalb, Kane, Kendall, LaSalle, Lee	58 min
Jun 12, 10:27 PM CDT	Severe Thunderstorm Warning	LOT	DeKalb, Kendall, LaSalle, Lee	63 min

Discussions around it

SPC mesoscale discussions over the same counties from four hours before the watch to its end.

SPC that day

Everything else SPC issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
Jun 12, 10:26 AM CDT	Mesoscale Discussion	SPC	Boone, Bureau, Carroll, Cook, DeKalb, DuPage and 26 more	64 min
Jun 12, 12:49 PM CDT	Mesoscale Discussion	SPC	Carroll, Jo Daviess, Rock Island, Whiteside	56 min
Jun 12, 3:38 PM CDT	Mesoscale Discussion	SPC	Cook, DuPage, Ford, Grundy, Iroquois, Kane and 4 more	97 min
Jun 12, 4:00 PM CDT	Severe Thunderstorm Watch PDS	SPC	Cook, DuPage, Ford, Iroquois, Kankakee, Lake and 1 more	9 hr
Jun 12, 4:06 PM CDT	Mesoscale Discussion	SPC	Boone, Bureau, Carroll, DeKalb, Grundy, Henry and 12 more	54 min
Jun 12, 5:56 PM CDT	Mesoscale Discussion	SPC	Cook, DeKalb, DuPage, Ford, Grundy, Iroquois and 8 more	94 min
Jun 12, 6:40 PM CDT	Mesoscale Discussion	SPC	Boone, Bureau, Carroll, DeKalb, DuPage, Grundy and 17 more	95 min
Jun 11, 11:12 PM CDT	Mesoscale Discussion	SPC	Cherokee, Clay, Dickinson, Ida, Lyon, O'Brien and 4 more	2 hr
Jun 12, 4:37 AM CDT	Mesoscale Discussion	SPC	Big Stone, Chippewa, Kandiyohi, Lac qui Parle, Lincoln, Lyon and 11 more	2 hr

Nearby

Tornado Watches in Iowa, 2013 Tornado Watches in Illinois, 2013 Tornado Watches in Wisconsin, 2013 Every tornado watch in 2013

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.