Alert archive / Wisconsin / Tornado Watches in 2016
Tornado Watch 259
The Storm Prediction Center issued this tornado watch at Jun 15, 2016, 2:13 PM CDT for 27 counties in Wisconsin. It was in force for 6 hr.
The area
The outline as issued.
The facts
- Issued
- Jun 15, 2016, 2:13 PM CDT (19:13 UTC)
- Expired
- Jun 15, 2016, 8:00 PM CDT
- In force
- 6 hr
- Issued by
- the Storm Prediction Center
- Largest hail expected
- 2 in
- Strongest gust expected
- 60 kt
All 27 counties
Adams County, WI, Brown County, WI, Calumet County, WI, Columbia County, WI, Dodge County, WI, Fond du Lac County, WI, Green Lake County, WI, Iron County, WI, Langlade County, WI, Lincoln County, WI, Manitowoc County, WI, Marathon County, WI, Marquette County, WI, Menominee County, WI, Oneida County, WI, Outagamie County, WI, Ozaukee County, WI, Portage County, WI, Price County, WI, Shawano County, WI, Sheboygan County, WI, Vilas County, WI, Washington County, WI, Waupaca County, WI, Waushara County, WI, Winnebago County, WI, Wood County, WI
The radar
The Green Bay radar (KGRB), 115 km from the middle of the area, began a volume at 19:15 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
- 30%
- 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
- 30%
- Six or more combined severe hail and wind reports
- 70%
Warnings issued inside it
15 tornado, severe thunderstorm and flash flood warnings for its counties while it was in force.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 15, 3:44 PM CDT | Severe Thunderstorm Warning | GRB | Wood | 46 min |
| Jun 15, 4:18 PM CDT | Severe Thunderstorm Warning | GRB | Oneida | 42 min |
| Jun 15, 4:19 PM CDT | Severe Thunderstorm Warning | GRB | Lincoln | 41 min |
| Jun 15, 4:24 PM CDT | Severe Thunderstorm Warning | ARX | Adams | 66 min |
| Jun 15, 4:27 PM CDT | Severe Thunderstorm Warning | GRB | Portage, Wood | 33 min |
| Jun 15, 4:38 PM CDT | Tornado Warning | GRB | Marathon | 17 min |
| Jun 15, 5:04 PM CDT | Severe Thunderstorm Warning | MKX | Marquette | 56 min |
| Jun 15, 5:07 PM CDT | Severe Thunderstorm Warning | GRB | Waushara | 38 min |
| Jun 15, 5:12 PM CDT | Severe Thunderstorm Warning | GRB | Forest, Oneida | 48 min |
| Jun 15, 5:25 PM CDT | Severe Thunderstorm Warning | GRB | Outagamie, Waupaca | 65 min |
| Jun 15, 5:27 PM CDT | Severe Thunderstorm Warning | GRB | Waushara | 11 min |
| Jun 15, 6:00 PM CDT | Severe Thunderstorm Warning | GRB | Winnebago | 45 min |
| Jun 15, 6:36 PM CDT | Severe Thunderstorm Warning | MKX | Dodge, Fond du Lac | 24 min |
| Jun 15, 6:58 PM CDT | Severe Thunderstorm Warning | GRB | Calumet, Manitowoc | 47 min |
| Jun 15, 7:45 PM CDT | Severe Thunderstorm Warning | MKX | Ozaukee, Washington | 45 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, 7.2 hours before the alert went out and 116 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
- 511 m above ground
- 0-6 km bulk shear
- 28 kt
- 0-1 km storm-relative helicity
- 4 m²/s²
- 0-3 km storm-relative helicity
- -2 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- -0.1
The text
As transmitted.
677 WWUS20 KWNS 151910 SEL9 SPC WW 151910 WIZ000-LMZ000-160100- URGENT - IMMEDIATE BROADCAST REQUESTED TORNADO WATCH NUMBER 259 NWS STORM PREDICTION CENTER NORMAN OK 210 PM CDT WED JUN 15 2016 THE NWS STORM PREDICTION CENTER HAS ISSUED A * TORNADO WATCH FOR PORTIONS OF WISCONSIN LAKE MICHIGAN * EFFECTIVE THIS WEDNESDAY AFTERNOON AND EVENING FROM 210 PM UNTIL 800 PM CDT. * PRIMARY THREATS INCLUDE... A COUPLE TORNADOES POSSIBLE ISOLATED VERY LARGE HAIL EVENTS TO 2 INCHES IN DIAMETER POSSIBLE ISOLATED DAMAGING WIND GUSTS TO 70 MPH POSSIBLE SUMMARY...LOW-TOPPED THUNDERSTORMS ARE EXPECTED TO INCREASE ACROSS CENTRAL WISCONSIN AND SUBSEQUENTLY SPREAD EAST-SOUTHEASTWARD TOWARD EAST-CENTRAL/SOUTHEAST WISCONSIN THROUGH THE LATE AFTERNOON AND EVENING HOURS. MODESTLY STRENGTHENING LOW-LEVEL SHEAR AND THE PROXIMITY OF AN UPPER LOW WILL CONTRIBUTE TO SOME TORNADO POTENTIAL...PARTICULARLY ACROSS CENTRAL TO EAST-CENTRAL WISCONSIN NEAR A SURFACE LOW/WARM FRONT. SEVERE HAIL AND WIND WILL ALSO BE POSSIBLE. THE TORNADO WATCH AREA IS APPROXIMATELY ALONG AND 45 STATUTE MILES EAST AND WEST OF A LINE FROM 30 MILES NORTH NORTHWEST OF RHINELANDER WISCONSIN TO 50 MILES SOUTH OF OSHKOSH WISCONSIN. FOR A COMPLETE DEPICTION OF THE WATCH SEE THE ASSOCIATED WATCH OUTLINE UPDATE (WOUS64 KWNS WOU9). 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 258... AVIATION...TORNADOES AND A FEW SEVERE THUNDERSTORMS WITH HAIL SURFACE AND ALOFT TO 2 INCHES. EXTREME TURBULENCE AND SURFACE WIND GUSTS TO 60 KNOTS. A FEW CUMULONIMBI WITH MAXIMUM TOPS TO 450. MEAN STORM MOTION VECTOR 29025. ...GUYER
SPC that day
Everything else SPC issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 14, 8:36 PM CDT | Mesoscale Discussion | SPC | Buffalo, Crawford, Grant, Iowa, Jackson, La Crosse and 6 more | 84 min |
| Jun 15, 12:57 PM CDT | Mesoscale Discussion | SPC | Adams, Brown, Calumet, Chippewa, Clark, Columbia and 24 more | 2 hr |
| Jun 15, 3:44 PM CDT | Mesoscale Discussion | SPC | Adams, Brown, Calumet, Columbia, Dodge, Fond du Lac and 24 more | 2 hr |
| Jun 15, 5:43 PM CDT | Mesoscale Discussion | SPC | Brown, Calumet, Columbia, Dodge, Fond du Lac, Green Lake and 6 more | 92 min |
Nearby
Tornado Watches in Wisconsin, 2016Every tornado watch in 2016
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.