Alert archive / Wisconsin / Tornado Watches in 2014
Tornado Watch 306
The Storm Prediction Center issued this tornado watch at Jun 16, 2014, 5:46 PM CDT for 8 counties in Iowa; 7 counties in Minnesota; 9 counties in Wisconsin. It was in force for 6 hr.
The area
The outline as issued.
The facts
- Issued
- Jun 16, 2014, 5:46 PM CDT (22:46 UTC)
- Expired
- Jun 16, 2014, 11:27 PM CDT
- In force
- 6 hr
- Issued by
- the Storm Prediction Center
- Largest hail expected
- 2 in
- Strongest gust expected
- 65 kt
All 24 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, Dodge County, MN, Fillmore County, MN, Houston County, MN, Mower County, MN, Olmsted County, MN, Wabasha County, MN, Winona County, MN, Buffalo County, WI, Crawford County, WI, Grant County, WI, Jackson County, WI, La Crosse County, WI, Monroe County, WI, Richland County, WI, Trempealeau County, WI, Vernon County, WI
The radar
The La Crosse radar (KARX), 71 km from the middle of the area, began a volume at 22:48 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
- 40%
- One or more EF2 to EF5 tornadoes
- 20%
- Ten or more severe wind reports
- 80%
- 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
- 30%
- Six or more combined severe hail and wind reports
- 80%
Warnings issued inside it
19 tornado, severe thunderstorm and flash flood warnings for its counties while it was in force.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 16, 6:26 PM CDT | Severe Thunderstorm Warning | ARX | Dodge, Mower, Olmsted | 64 min |
| Jun 16, 6:51 PM CDT | Severe Thunderstorm Warning | ARX | Floyd, Mitchell | 39 min |
| Jun 16, 7:07 PM CDT | Tornado Warning | ARX | Mitchell | 23 min |
| Jun 16, 7:11 PM CDT | Tornado Warning | ARX | Mower | 34 min |
| Jun 16, 7:24 PM CDT | Severe Thunderstorm Warning | ARX | Chickasaw, Floyd, Howard, Mitchell | 66 min |
| Jun 16, 7:25 PM CDT | Flash Flood Warning | ARX | Dodge, Mower, Olmsted | 6 hr |
| Jun 16, 7:58 PM CDT | Severe Thunderstorm Warning | ARX | Allamakee, Winneshiek | 77 min |
| Jun 16, 8:18 PM CDT | Severe Thunderstorm Warning | ARX | Chickasaw, Fayette | 57 min |
| Jun 16, 8:46 PM CDT | Severe Thunderstorm Warning | ARX | Clayton | 59 min |
| Jun 16, 8:56 PM CDT | Severe Thunderstorm Warning | ARX | La Crosse, Vernon | 64 min |
| Jun 16, 9:01 PM CDT | Tornado Warning | ARX | Clayton, Fayette | 29 min |
| Jun 16, 9:29 PM CDT | Severe Thunderstorm Warning | ARX | Monroe, Vernon | 46 min |
| Jun 16, 9:38 PM CDT | Severe Thunderstorm Warning | ARX | Clayton, Fayette | 52 min |
| Jun 16, 9:42 PM CDT | Severe Thunderstorm Warning | ARX | Crawford, Grant | 48 min |
| Jun 16, 10:01 PM CDT | Flash Flood Warning | ARX | Olmsted, Wabasha, Winona | 6 hr |
| Jun 16, 10:05 PM CDT | Severe Thunderstorm Warning | ARX | Grant | 40 min |
| Jun 16, 10:07 PM CDT | Severe Thunderstorm Warning | ARX | Juneau, Monroe, Richland, Vernon | 38 min |
| Jun 16, 10:30 PM CDT | Severe Thunderstorm Warning | ARX | Grant | 45 min |
| Jun 16, 10:42 PM CDT | Severe Thunderstorm Warning | ARX | Grant | 48 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, 10.8 hours before the alert went out and 191 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
- 15 J/kg
- Mixed-layer CIN
- -158 J/kg
- Mixed-layer LCL
- 1817 m above ground
- 0-6 km bulk shear
- 38 kt
- 0-1 km storm-relative helicity
- 210 m²/s²
- 0-3 km storm-relative helicity
- 264 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
623
WWUS20 KWNS 162248
SEL6
SPC WW 162248
IAZ000-MNZ000-WIZ000-170600-
URGENT - IMMEDIATE BROADCAST REQUESTED
TORNADO WATCH NUMBER 306
NWS STORM PREDICTION CENTER NORMAN OK
550 PM CDT MON JUN 16 2014
THE NWS STORM PREDICTION CENTER HAS ISSUED A
* TORNADO WATCH FOR PORTIONS OF
NORTHEAST IOWA
SOUTHEAST MINNESOTA
SOUTHWEST WISCONSIN
* EFFECTIVE THIS MONDAY AFTERNOON AND TUESDAY MORNING FROM 550 PM
UNTIL 100 AM CDT.
* PRIMARY THREATS INCLUDE...
A COUPLE TORNADOES POSSIBLE
WIDESPREAD DAMAGING WINDS LIKELY WITH ISOLATED SIGNIFICANT GUSTS
TO 75 MPH POSSIBLE
SCATTERED LARGE HAIL AND ISOLATED VERY LARGE HAIL EVENTS TO 2
INCHES IN DIAMETER POSSIBLE
THE TORNADO WATCH AREA IS APPROXIMATELY ALONG AND 55 STATUTE
MILES NORTH AND SOUTH OF A LINE FROM 40 MILES SOUTHWEST OF
ROCHESTER MINNESOTA TO 60 MILES SOUTHEAST OF LA CROSSE WISCONSIN.
FOR A COMPLETE DEPICTION OF THE WATCH SEE THE ASSOCIATED WATCH
OUTLINE UPDATE (WOUS64 KWNS WOU6).
PRECAUTIONARY/PREPAREDNESS ACTIONS...
REMEMBER...A TORNADO WATCH MEANS CONDITIONS ARE FAVORABLE FOR
TORNADOES AND SEVERE THUNDERSTORMS IN AND CLOSE TO THE WATCH
AREA. PERSONS IN THESE AREAS SHOULD BE ON THE LOOKOUT FOR
THREATENING WEATHER CONDITIONS AND LISTEN FOR LATER STATEMENTS
AND POSSIBLE WARNINGS.
&&
OTHER WATCH INFORMATION...CONTINUE...WW 302...WW 303...WW
304...WW 305...
DISCUSSION...BOWING MCS IS EXPECTED TO MATURE AND SURGE ESEWD FROM
SRN MN/NRN IA INTO THE WATCH AREA OVER THE NEXT SEVERAL HOURS.
DAMAGING WINDS WILL BE THE PRIMARY RISK...THOUGH A COUPLE TORNADOES
WILL BE POSSIBLE WITH CIRCULATIONS IN THE MCS...AND THE STRONGER
CELLS MAY ALSO PRODUCE LARGE HAIL.
AVIATION...TORNADOES AND A FEW SEVERE THUNDERSTORMS WITH HAIL
SURFACE AND ALOFT TO 2 INCHES. EXTREME TURBULENCE AND SURFACE
WIND GUSTS TO 65 KNOTS. A FEW CUMULONIMBI WITH MAXIMUM TOPS TO
550. MEAN STORM MOTION VECTOR 28035.
...THOMPSONSPC that day
Everything else SPC issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 16, 7:12 AM CDT | Severe Thunderstorm Watch | SPC | Fremont, Harrison, Lyon, Mills, Monona, Plymouth and 4 more | 9 hr |
| Jun 16, 10:19 AM CDT | Mesoscale Discussion | SPC | Adair, Adams, Appanoose, Audubon, Boone, Buena Vista and 64 more | 116 min |
| Jun 16, 12:25 PM CDT | Tornado Watch | SPC | Audubon, Boone, Buena Vista, Calhoun, Carroll, Cherokee and 33 more | 8 hr |
| Jun 16, 2:13 PM CDT | Mesoscale Discussion | SPC | Fremont, Mills | 62 min |
| Jun 16, 2:19 PM CDT | Mesoscale Discussion | SPC | Davis, Jefferson, Lee, Van Buren, Wapello | 86 min |
| Jun 16, 3:07 PM CDT | Tornado Watch | SPC | Harrison, Monona, Shelby | 7 hr |
| Jun 16, 3:11 PM CDT | Mesoscale Discussion | SPC | Boone, Buena Vista, Calhoun, Carroll, Cherokee, Clay and 18 more | 2 hr |
| Jun 16, 3:36 PM CDT | Severe Thunderstorm Watch | SPC | Benton, Buchanan, Cedar, Clinton, Delaware, Des Moines and 13 more | 5 hr |
| Jun 16, 5:10 PM CDT | Mesoscale Discussion | SPC | Allamakee, Bremer, Chickasaw, Clayton, Fayette, Floyd and 3 more | 35 min |
| Jun 16, 5:37 PM CDT | Tornado Watch | SPC | Audubon, Black Hawk, Boone, Bremer, Buena Vista, Butler and 38 more | 6 hr |
Nearby
Tornado Watches in Wisconsin, 2014Tornado Watches in Iowa, 2014Tornado Watches in Minnesota, 2014Every tornado watch in 2014
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.