Alert archive / Wisconsin / Severe Thunderstorm Warnings in 2016

Severe Thunderstorm Warning 72, NWS Milwaukee, WI

August 4, 20164 counties in Wisconsin

NWS Milwaukee, WI issued this severe thunderstorm warning at Aug 4, 2016, 7:04 PM CDT for 4 counties in Wisconsin. It was in force for 56 min. No storm report in the archive falls inside the area while it was in force.

The area

The outline as issued.

The facts

Issued
Aug 4, 2016, 7:04 PM CDT (00:04 UTC)
Expired
Aug 4, 2016, 8:00 PM CDT
In force
56 min
Issued by
NWS Milwaukee, WI
Area
Storm-based polygon
Hail
0.75 in
Wind
60.0 mph

Counties Dane County, WI, Green County, WI, Iowa County, WI, Lafayette County, WI

The radar

The Milwaukee radar (KMKX), 93 km from the middle of the area, began a volume at 00:06 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.

The watch it was issued in

The SPC watch in force over the same counties when this warning went out.

IssuedProductOfficeLasted
Aug 4, 4:44 PM CDTSevere Thunderstorm WatchSPC6 hr

The nearest sounding before it

Davenport, (KDVN), launched 00:00Z, 0.1 hours before the alert went out and 150 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 00:00Z on 2016-08-05Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1172 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 00:00Z on 2016-08-05The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 89 square meters per square second.193958Sfc1 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
1172 J/kg
Mixed-layer CIN
-121 J/kg
Mixed-layer LCL
1357 m above ground
0-6 km bulk shear
27 kt
0-1 km storm-relative helicity
89 m²/s²
0-3 km storm-relative helicity
146 m²/s²
Significant tornado parameter
0.2
Supercell composite
7.0

Open this sounding in Storm Lab

The text

As transmitted.

119 
WUUS53 KMKX 050004
SVRMKX
WIC025-045-049-065-050100-
/O.NEW.KMKX.SV.W.0072.160805T0004Z-160805T0100Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE MILWAUKEE/SULLIVAN WI
704 PM CDT THU AUG 4 2016

THE NATIONAL WEATHER SERVICE IN MILWAUKEE/SULLIVAN HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  SOUTHEASTERN IOWA COUNTY IN SOUTH CENTRAL WISCONSIN...
  SOUTHWESTERN DANE COUNTY IN SOUTH CENTRAL WISCONSIN...
  NORTHEASTERN LAFAYETTE COUNTY IN SOUTH CENTRAL WISCONSIN...
  NORTHERN GREEN COUNTY IN SOUTH CENTRAL WISCONSIN...

* UNTIL 800 PM CDT

* AT 703 PM CDT...SEVERE THUNDERSTORMS WERE LOCATED ALONG A LINE
  EXTENDING FROM 7 MILES SOUTHWEST OF MOUNT HOREB TO NEAR
  BLANCHARDVILLE...MOVING EAST AT 30 MPH.

  HAZARD...60 MPH WIND GUSTS. 

  SOURCE...RADAR INDICATED. 

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

* LOCATIONS IMPACTED INCLUDE...
  OREGON...BELLEVILLE...NEW GLARUS...BROOKLYN...MONTICELLO...
  ALBANY...BLANCHARDVILLE...DAYTON...HOLLANDALE...
  YELLOWSTONE LAKE ST PARK AND PAOLI.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

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

&&

LAT...LON 4277 8998 4294 8997 4294 8936 4284 8937
      4267 8937
TIME...MOT...LOC 0003Z 275DEG 25KT 4292 8982 4277 8982 

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

HALBACH
4 follow-up statements
847 
WWUS53 KMKX 050019
SVSMKX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE MILWAUKEE/SULLIVAN WI
719 PM CDT THU AUG 4 2016

WIC025-045-049-065-050100-
/O.CON.KMKX.SV.W.0072.000000T0000Z-160805T0100Z/
IOWA WI-DANE WI-LAFAYETTE WI-GREEN WI-
719 PM CDT THU AUG 4 2016

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 800 PM CDT
FOR SOUTHEASTERN IOWA...SOUTHWESTERN DANE...NORTHEASTERN LAFAYETTE
AND NORTHERN GREEN COUNTIES...

AT 718 PM CDT...SEVERE THUNDERSTORMS WERE LOCATED ALONG A LINE
EXTENDING FROM 6 MILES SOUTHWEST OF MOUNT HOREB TO NEAR
BLANCHARDVILLE...MOVING EAST AT 30 MPH.

HAZARD...60 MPH WIND GUSTS. LAW ENFORCEMENT REPORTED SEVERAL TREES
         DOWN ACROSS IOWA COUNTY.

SOURCE...LAW ENFORCEMENT. 

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

LOCATIONS IMPACTED INCLUDE...
OREGON...BELLEVILLE...NEW GLARUS...BROOKLYN...MONTICELLO...ALBANY...
BLANCHARDVILLE...DAYTON...HOLLANDALE AND PAOLI.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

THIS IS AN EXTREMELY DANGEROUS SITUATION. THESE STORMS ARE PRODUCING
WIDESPREAD WIND DAMAGE ACROSS NORTHERN GREEN AND SOUTHWESTERN DANE
COUNTIES. SEEK SHELTER NOW INSIDE A STURDY STRUCTURE AND STAY AWAY
FROM WINDOWS.

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

&&

LAT...LON 4280 8994 4293 8994 4294 8936 4284 8937
      4267 8937
TIME...MOT...LOC 0018Z 275DEG 25KT 4292 8979 4277 8979 

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

JTS
212 
WWUS53 KMKX 050029
SVSMKX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE MILWAUKEE/SULLIVAN WI
729 PM CDT THU AUG 4 2016

WIC049-065-050038-
/O.CAN.KMKX.SV.W.0072.000000T0000Z-160805T0100Z/
IOWA WI-LAFAYETTE WI-
729 PM CDT THU AUG 4 2016

...THE SEVERE THUNDERSTORM WARNING FOR SOUTHEASTERN IOWA AND
NORTHEASTERN LAFAYETTE COUNTIES IS CANCELLED...

THE STORMS WHICH PROMPTED THE WARNING HAVE MOVED OUT OF THE WARNED
AREA. THEREFORE THE WARNING HAS BEEN CANCELLED.

A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL MIDNIGHT CDT FOR
SOUTH CENTRAL WISCONSIN.

LAT...LON 4278 8981 4293 8981 4294 8936 4284 8937
      4267 8937
TIME...MOT...LOC 0028Z 275DEG 25KT 4292 8977 4277 8977 

$$

WIC025-045-050100-
/O.CON.KMKX.SV.W.0072.000000T0000Z-160805T0100Z/
DANE WI-GREEN WI-
729 PM CDT THU AUG 4 2016

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 800 PM CDT
FOR SOUTHWESTERN DANE AND NORTHERN GREEN COUNTIES...

AT 728 PM CDT...SEVERE THUNDERSTORMS WERE LOCATED ALONG A LINE
EXTENDING FROM 6 MILES SOUTH OF MOUNT HOREB TO NEAR BLANCHARDVILLE...
MOVING EAST AT 30 MPH.

HAZARD...60 MPH WIND GUSTS. 

SOURCE...LAW ENFORCEMENT. 

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

LOCATIONS IMPACTED INCLUDE...
OREGON...BELLEVILLE...NEW GLARUS...BROOKLYN...MONTICELLO...ALBANY...
DAYTON AND PAOLI.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

THIS IS AN EXTREMELY DANGEROUS SITUATION. THESE STORMS ARE PRODUCING
WIDESPREAD WIND DAMAGE ACROSS NORTHERN GREEN AND SOUTHWESTERN DANE
COUNTIES. SEEK SHELTER NOW INSIDE A STURDY STRUCTURE AND STAY AWAY
FROM WINDOWS.

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

&&

LAT...LON 4278 8981 4293 8981 4294 8936 4284 8937
      4267 8937
TIME...MOT...LOC 0028Z 275DEG 25KT 4292 8977 4277 8977 

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

JTS
060 
WWUS53 KMKX 050041
SVSMKX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE MILWAUKEE/SULLIVAN WI
741 PM CDT THU AUG 4 2016

WIC025-045-050100-
/O.CON.KMKX.SV.W.0072.000000T0000Z-160805T0100Z/
DANE WI-GREEN WI-
741 PM CDT THU AUG 4 2016

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 800 PM CDT
FOR SOUTH CENTRAL DANE AND NORTHEASTERN GREEN COUNTIES...

AT 740 PM CDT...SEVERE THUNDERSTORMS WERE LOCATED ALONG A LINE
EXTENDING FROM 6 MILES SOUTH OF MOUNT HOREB TO NEAR NEW GLARUS...
MOVING EAST AT 30 MPH.

HAZARD...60 MPH WIND GUSTS. 

SOURCE...LAW ENFORCEMENT. 

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

LOCATIONS IMPACTED INCLUDE...
OREGON...BELLEVILLE...NEW GLARUS...BROOKLYN...DAYTON AND PAOLI. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

FOR YOUR PROTECTION MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR OF
A BUILDING. SEEK SHELTER NOW INSIDE A STURDY STRUCTURE AND STAY AWAY
FROM WINDOWS.
 
THIS IS AN EXTREMELY DANGEROUS SITUATION.

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

&&

LAT...LON 4279 8969 4293 8969 4294 8936 4284 8937
      4273 8937
TIME...MOT...LOC 0040Z 275DEG 25KT 4292 8972 4277 8972 

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

JTS
390 
WWUS53 KMKX 050055
SVSMKX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE MILWAUKEE/SULLIVAN WI
755 PM CDT THU AUG 4 2016

WIC025-045-050100-
/O.CON.KMKX.SV.W.0072.000000T0000Z-160805T0100Z/
DANE WI-GREEN WI-
755 PM CDT THU AUG 4 2016

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 800 PM CDT
FOR SOUTH CENTRAL DANE AND NORTHEASTERN GREEN COUNTIES...

AT 754 PM CDT...SEVERE THUNDERSTORMS WERE LOCATED ALONG A LINE
EXTENDING FROM NEAR BELLEVILLE TO MONTICELLO...MOVING EAST AT 30 MPH.

HAZARD...60 MPH WIND GUSTS. 

SOURCE...LAW ENFORCEMENT. 

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

LOCATIONS IMPACTED INCLUDE...
  OREGON...BROOKLYN AND DAYTON. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

THIS IS AN EXTREMELY DANGEROUS SITUATION. SEEK SHELTER NOW INSIDE A
STURDY STRUCTURE AND STAY AWAY FROM WINDOWS.

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

&&

LAT...LON 4277 8952 4291 8952 4293 8936 4284 8937
      4274 8937
TIME...MOT...LOC 0054Z 275DEG 25KT 4291 8959 4276 8960 

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

JTS

The office that day

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

IssuedProductOfficeCountiesLasted
Aug 4, 7:33 PM CDTSpecial Weather StatementMKXRock57 min
Aug 4, 7:49 PM CDTSevere Thunderstorm WarningMKXIowa, Lafayette56 min
Aug 4, 7:51 PM CDTSevere Thunderstorm WarningMKXDane, Jefferson, Rock41 min
Aug 4, 8:12 PM CDTAreal Flood AdvisoryMKXIowa, Lafayette2 hr
Aug 4, 8:31 PM CDTSevere Thunderstorm WarningMKXGreen40 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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.