Alert archive / Wisconsin / Severe Thunderstorm Warnings in 2016

Severe Thunderstorm Warning 84, NWS Milwaukee, WI

September 25, 2016Rock County, Wisconsin

NWS Milwaukee, WI issued this severe thunderstorm warning at Sep 25, 2016, 2:22 PM CDT for Rock County, Wisconsin. It was in force for 36 min. 4 reports came from inside the area while it was in force.

The area

The outline as issued, with what was reported inside it.

The facts

Issued
Sep 25, 2016, 2:22 PM CDT (19:22 UTC)
Expired
Sep 25, 2016, 2:58 PM CDT
In force
36 min
Issued by
NWS Milwaukee, WI
Area
Storm-based polygon
Hail
0.88 in
Wind
60.0 mph

County Rock County, WI

The radar

The Milwaukee radar (KMKX), 60 km from the middle of the area, began a volume at 19:23 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 was reported inside it

TimeReportWhereRemark
Sep 25, 2:44 PM CDTTSTM WND DMG2 Nne Milton, WILARGE TREE LIMBS AND BRANCHES DOWN BY THUNDERSTORM WINDS NEAR THE INTERSECTION OF HWY 26 AND COUNTY LINE ROAD. TIMING UPDATED BASED ON RADAR.
Sep 25, 2:49 PM CDTTSTM WND DMGMilton, WITWO TREES DOWNED BY THUNDERSTORM WIND GUSTS NEAR COUNTY LINE ROAD. TIME UPDATED BASED ON RADAR.
Sep 25, 3:05 PM CDTTSTM WND DMG2 Nne Milton, WILARGE TREE LIMBS AND BRANCHES DOWN BY THUNDERSTORM WINDS NEAR THE INTERSECTION OF HWY 26 AND COUNTY LINE ROAD.
Sep 25, 3:05 PM CDTTSTM WND DMGN Milton, WITWO TREES DOWNED BY THUNDERSTORM WIND GUSTS NEAR COUNTY LINE ROAD.

Local storm reports filed while the alert was in force, from inside its polygon or its counties.

The nearest sounding before it

Davenport, (KDVN), launched 12:00Z, 7.4 hours before the alert went out and 162 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.

Skew-T log-pSkew-T log-p diagram, Davenport, at 12:00Z on 2016-09-25Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 230 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Davenport, at 12:00Z on 2016-09-25The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 133 square meters per square second.1939Sfc1 km3 km6 km9 kmRMLM
The wind turning with height, colored by layer: ground to 1 km, 1 to 3 km, 3 to 6 km, 6 to 10 km.
Mixed-layer CAPE
230 J/kg
Mixed-layer CIN
-80 J/kg
Mixed-layer LCL
1111 m above ground
0-6 km bulk shear
22 kt
0-1 km storm-relative helicity
133 m²/s²
0-3 km storm-relative helicity
113 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

128 
WUUS53 KMKX 251922
SVRMKX
WIC105-252015-
/O.NEW.KMKX.SV.W.0084.160925T1922Z-160925T2015Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE MILWAUKEE/SULLIVAN WI
222 PM CDT SUN SEP 25 2016

THE NATIONAL WEATHER SERVICE IN MILWAUKEE/SULLIVAN HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  NORTHERN ROCK COUNTY IN SOUTH CENTRAL WISCONSIN...

* UNTIL 315 PM CDT

* AT 222 PM CDT...A SEVERE THUNDERSTORM WAS LOCATED OVER
  FOOTVILLE...OR NEAR EVANSVILLE...MOVING NORTHEAST AT 35 MPH.

  HAZARD...60 MPH WIND GUSTS AND NICKEL SIZE HAIL. 

  SOURCE...RADAR INDICATED. 

  IMPACT...EXPECT DAMAGE TO ROOFS...SIDING...AND TREES. 

* LOCATIONS IMPACTED INCLUDE...
  JANESVILLE...MILTON...EDGERTON...EVANSVILLE...ORFORDVILLE...
  FOOTVILLE...FULTON...MAGNOLIA...HANOVER AND INDIANFORD.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

FOR YOUR PROTECTION MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR OF A
BUILDING.

TORRENTIAL RAINFALL IS OCCURRING WITH THIS STORM...AND MAY LEAD TO
FLASH FLOODING. DO NOT DRIVE YOUR VEHICLE THROUGH FLOODED ROADWAYS.

&&

LAT...LON 4265 8937 4274 8937 4285 8919 4285 8896
      4273 8886 4257 8930
TIME...MOT...LOC 1922Z 238DEG 32KT 4269 8926 

HAIL...0.88IN
WIND...60MPH
 
$$

SPM
6 follow-up statements
611 
WWUS53 KMKX 251929
SVSMKX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE MILWAUKEE/SULLIVAN WI
229 PM CDT SUN SEP 25 2016

WIC105-252015-
/O.CON.KMKX.SV.W.0084.000000T0000Z-160925T2015Z/
ROCK WI-
229 PM CDT SUN SEP 25 2016

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 315 PM CDT
FOR NORTHERN ROCK COUNTY...

AT 229 PM CDT...A SEVERE THUNDERSTORM WAS LOCATED NEAR
FOOTVILLE...OR 7 MILES SOUTHEAST OF EVANSVILLE...MOVING NORTHEAST AT
35 MPH.

HAZARD...60 MPH WIND GUSTS AND NICKEL SIZE HAIL. 

SOURCE...RADAR INDICATED. 

IMPACT...EXPECT DAMAGE TO ROOFS...SIDING...AND TREES. 

LOCATIONS IMPACTED INCLUDE...
JANESVILLE...MILTON...EDGERTON...FOOTVILLE...FULTON AND INDIANFORD. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

FOR YOUR PROTECTION MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR OF A
BUILDING.

TORRENTIAL RAINFALL IS OCCURRING WITH THIS STORM...AND MAY LEAD TO
FLASH FLOODING. DO NOT DRIVE YOUR VEHICLE THROUGH FLOODED ROADWAYS.

&&

LAT...LON 4266 8927 4273 8929 4285 8919 4285 8896
      4273 8886 4264 8915
TIME...MOT...LOC 1929Z 238DEG 32KT 4273 8918 

HAIL...0.88IN
WIND...60MPH
 
$$

SPM
357 
WWUS53 KMKX 251933
SVSMKX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE MILWAUKEE/SULLIVAN WI
233 PM CDT SUN SEP 25 2016

WIC105-252015-
/O.CON.KMKX.SV.W.0084.000000T0000Z-160925T2015Z/
ROCK WI-
233 PM CDT SUN SEP 25 2016

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 315 PM CDT
FOR NORTHEASTERN ROCK COUNTY...

AT 233 PM CDT...A SEVERE THUNDERSTORM WAS LOCATED NEAR EDGERTON...
MOVING NORTHEAST AT 35 MPH.

HAZARD...60 MPH WIND GUSTS. 

SOURCE...RADAR INDICATED. 

IMPACT...EXPECT DAMAGE TO ROOFS...SIDING...AND TREES. 

LOCATIONS IMPACTED INCLUDE...
JANESVILLE...MILTON...EDGERTON...FULTON AND INDIANFORD. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

FOR YOUR PROTECTION MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR OF A
BUILDING.

TORRENTIAL RAINFALL IS OCCURRING WITH THIS STORM...AND MAY LEAD TO
FLASH FLOODING. DO NOT DRIVE YOUR VEHICLE THROUGH FLOODED ROADWAYS.

&&

LAT...LON 4270 8922 4274 8923 4285 8917 4285 8896
      4273 8886 4266 8915
TIME...MOT...LOC 1933Z 238DEG 32KT 4275 8913 

HAIL...<.75IN
WIND...60MPH
 
$$

SPM
436 
WWUS53 KMKX 251940
SVSMKX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE MILWAUKEE/SULLIVAN WI
240 PM CDT SUN SEP 25 2016

WIC105-252015-
/O.CON.KMKX.SV.W.0084.000000T0000Z-160925T2015Z/
ROCK WI-
240 PM CDT SUN SEP 25 2016

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 315 PM CDT
FOR NORTHEASTERN ROCK COUNTY...

AT 240 PM CDT...A SEVERE THUNDERSTORM WAS LOCATED NEAR EDGERTON...
MOVING NORTHEAST AT 35 MPH.

HAZARD...60 MPH WIND GUSTS. 

SOURCE...RADAR INDICATED. 

IMPACT...EXPECT DAMAGE TO ROOFS...SIDING...AND TREES. 

LOCATIONS IMPACTED INCLUDE...
JANESVILLE...MILTON...EDGERTON AND INDIANFORD. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

FOR YOUR PROTECTION MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR OF A
BUILDING.

TORRENTIAL RAINFALL IS OCCURRING WITH THIS STORM...AND MAY LEAD TO
FLASH FLOODING. DO NOT DRIVE YOUR VEHICLE THROUGH FLOODED ROADWAYS.

&&

LAT...LON 4273 8912 4276 8914 4285 8911 4285 8896
      4273 8886 4272 8906
TIME...MOT...LOC 1940Z 238DEG 32KT 4279 8905 

HAIL...<.75IN
WIND...60MPH
 
$$

SPM
772 
WWUS53 KMKX 251945
SVSMKX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE MILWAUKEE/SULLIVAN WI
245 PM CDT SUN SEP 25 2016

WIC105-252015-
/O.CON.KMKX.SV.W.0084.000000T0000Z-160925T2015Z/
ROCK WI-
245 PM CDT SUN SEP 25 2016

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 315 PM CDT
FOR NORTHEASTERN ROCK COUNTY...

AT 244 PM CDT...A SEVERE THUNDERSTORM WAS LOCATED NEAR
MILTON...MOVING NORTHEAST AT 35 MPH.

HAZARD...60 MPH WIND GUSTS. 

SOURCE...RADAR INDICATED. 

IMPACT...EXPECT DAMAGE TO ROOFS...SIDING...AND TREES. 

LOCATIONS IMPACTED INCLUDE...
MILTON AND EDGERTON. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

FOR YOUR PROTECTION MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR OF A
BUILDING.

TORRENTIAL RAINFALL IS OCCURRING WITH THIS STORM...AND MAY LEAD TO
FLASH FLOODING. DO NOT DRIVE YOUR VEHICLE THROUGH FLOODED ROADWAYS.

&&

LAT...LON 4276 8904 4278 8907 4283 8909 4285 8906
      4285 8896 4276 8888 4272 8898 4272 8899
TIME...MOT...LOC 1944Z 238DEG 32KT 4281 8900 

HAIL...<.75IN
WIND...60MPH
 
$$

SPM
179 
WWUS53 KMKX 251954
SVSMKX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE MILWAUKEE/SULLIVAN WI
254 PM CDT SUN SEP 25 2016

WIC105-252015-
/O.CON.KMKX.SV.W.0084.000000T0000Z-160925T2015Z/
ROCK WI-
254 PM CDT SUN SEP 25 2016

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 315 PM CDT
FOR NORTHEASTERN ROCK COUNTY...

AT 254 PM CDT...A SEVERE THUNDERSTORM WAS LOCATED NEAR LAKE
KOSHKONONG...OR NEAR FORT ATKINSON...MOVING NORTHEAST AT 35 MPH.

HAZARD...60 MPH WIND GUSTS. 

SOURCE...RADAR INDICATED. 

IMPACT...EXPECT DAMAGE TO ROOFS...SIDING...AND TREES. 

LOCATIONS IMPACTED INCLUDE...
MILTON.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

FOR YOUR PROTECTION MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR OF A
BUILDING.

TORRENTIAL RAINFALL IS OCCURRING WITH THIS STORM...AND MAY LEAD TO
FLASH FLOODING. DO NOT DRIVE YOUR VEHICLE THROUGH FLOODED ROADWAYS.

&&

LAT...LON 4278 8898 4282 8898 4284 8899 4285 8896
      4276 8888 4274 8893 4276 8899
TIME...MOT...LOC 1954Z 238DEG 32KT 4286 8889 

HAIL...<.75IN
WIND...60MPH
 
$$

SPM
041 
WWUS53 KMKX 251958
SVSMKX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE MILWAUKEE/SULLIVAN WI
258 PM CDT SUN SEP 25 2016

WIC105-252007-
/O.CAN.KMKX.SV.W.0084.000000T0000Z-160925T2015Z/
ROCK WI-
258 PM CDT SUN SEP 25 2016

...THE SEVERE THUNDERSTORM WARNING FOR NORTHEASTERN ROCK COUNTY IS
CANCELLED...
        
THIS WARNING HAS BEEN REPLACED WITH A NEW WARNING FOR NORTHEASTERN
ROCK COUNTY UNTIL 315 PM CDT.

LAT...LON 4278 8898 4282 8898 4284 8899 4285 8896
      4276 8888 4274 8893 4276 8899
TIME...MOT...LOC 1956Z 238DEG 32KT 4288 8885 

$$

SPM

The office that day

Everything else NWS Milwaukee, WI issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Sep 25, 9:45 AM CDTRiver Flood WatchMKXSauk69 hr
Sep 25, 1:52 PM CDTSpecial Weather StatementMKXGreen23 min
Sep 25, 2:13 PM CDTSpecial Weather StatementMKXRock47 min
Sep 25, 2:42 PM CDTSevere Thunderstorm WarningMKXDane, Jefferson, Rock, Walworth33 min
Sep 25, 3:11 PM CDTSevere Thunderstorm WarningMKXJefferson, Waukesha34 min
Sep 25, 3:35 PM CDTSpecial Weather StatementMKXDodge25 min
Sep 25, 3:38 PM CDTSpecial Weather StatementMKXWaukesha52 min
Sep 25, 3:52 PM CDTSpecial Marine WarningMKX83 min
Sep 25, 3:59 PM CDTSpecial Weather StatementMKXWashington46 min
Sep 25, 4:26 PM CDTSpecial Weather StatementMKXMilwaukee34 min

Nearby

Severe Thunderstorm Warnings in Wisconsin, 2016Every severe thunderstorm warning 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; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.