Alert archive / Wisconsin / Severe Thunderstorm Warnings in 2016

Severe Thunderstorm Warning 71, NWS Milwaukee, WI

August 4, 2016Iowa County, Lafayette County, Wisconsin

NWS Milwaukee, WI issued this severe thunderstorm warning at Aug 4, 2016, 6:16 PM CDT for Iowa County, Lafayette County, Wisconsin. It was in force for 44 min. 6 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
Aug 4, 2016, 6:16 PM CDT (23:16 UTC)
Expired
Aug 4, 2016, 7:00 PM CDT
In force
44 min
Issued by
NWS Milwaukee, WI
Area
Storm-based polygon
Hail
1.0 in
Wind
60.0 mph

Counties Iowa County, WI, Lafayette County, WI

The radar

The La Crosse radar (KARX), 129 km from the middle of the area, began a volume at 23:18 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
Aug 4, 6:20 PM CDTTSTM WND GST 46Mineral Point, WI34 MPH SUSTAINED WITH 46 MPH GUST. UNABLE TO REACH SITE VIA TELEPHONE AFTER THIS OBSERVATION.
Aug 4, 6:26 PM CDTTSTM WND DMGLinden, WIBARN DESTROYED. 11 POWER POLES SNAPPED. NUMEROUS TREES DOWN IN LINDEN AREA. TIME ESTIMATED FROM RADAR.
Aug 4, 6:26 PM CDTTSTM WND DMGLinden, WINUMEROUS TREES AND BRANCHES DOWN ON THE NORTH SIDE OF LINDEN PER DISPATCH. TIME ESTIMATED FROM RADAR.
Aug 4, 6:40 PM CDTTSTM WND DMGMineral Point, WITREES AND POWER LINES DOWN IN MINERAL POINT. AROUND 30 TREES DOWN OUTSIDE OF HOLLANDALE. TIME ESTIMATED.
Aug 4, 6:50 PM CDTTSTM WND DMG1 Nnw Hollandale, WILONG VALLEY ROAD HAS BEEN CLOSED DUE TO FALLEN TREES.
Aug 4, 6:59 PM CDTTSTM WND DMG1 E Hollandale, WIA FEW TREES REPORTED DOWN IN THE SOUTHEAST PART OF IOWA COUNTY PER DISPATCH. TIME ESTIMATED FROM RADAR.

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

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 12:00Z, 11.3 hours before the alert went out and 143 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 2016-08-04Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 500 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 2016-08-04The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 10 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
500 J/kg
Mixed-layer CIN
-126 J/kg
Mixed-layer LCL
970 m above ground
0-6 km bulk shear
16 kt
0-1 km storm-relative helicity
10 m²/s²
0-3 km storm-relative helicity
98 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

595 
WUUS53 KMKX 042316
SVRMKX
WIC049-065-050000-
/O.NEW.KMKX.SV.W.0071.160804T2316Z-160805T0000Z/

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

THE NATIONAL WEATHER SERVICE IN MILWAUKEE/SULLIVAN HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  SOUTHERN IOWA COUNTY IN SOUTH CENTRAL WISCONSIN...
  NORTHERN LAFAYETTE COUNTY IN SOUTH CENTRAL WISCONSIN...

* UNTIL 700 PM CDT

* AT 616 PM CDT...A SEVERE THUNDERSTORM WAS LOCATED NEAR MINERAL
  POINT...MOVING SOUTHEAST AT 35 MPH.

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

  SOURCE...RADAR INDICATED. 

  IMPACT...HAIL DAMAGE TO VEHICLES IS EXPECTED. EXPECT WIND DAMAGE 
           TO ROOFS...SIDING...AND TREES. 

* LOCATIONS IMPACTED INCLUDE...
  DODGEVILLE...MINERAL POINT...DARLINGTON...HIGHLAND...LINDEN...
  COBB...REWEY...HOLLANDALE...EDMUND...BLACKHAWK LAKE REC AREA...
  YELLOWSTONE LAKE ST PARK AND LONDON.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 4307 9043 4289 8984 4261 9009 4281 9043
TIME...MOT...LOC 2316Z 301DEG 30KT 4288 9027 

HAIL...1.00IN
WIND...60MPH
 
$$

HALBACH
2 follow-up statements
703 
WWUS53 KMKX 042332
SVSMKX

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

WIC049-065-050000-
/O.CON.KMKX.SV.W.0071.000000T0000Z-160805T0000Z/
IOWA WI-LAFAYETTE WI-
632 PM CDT THU AUG 4 2016

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 700 PM CDT
FOR SOUTHERN IOWA AND NORTHEASTERN LAFAYETTE COUNTIES...

AT 632 PM CDT...A SEVERE THUNDERSTORM WAS LOCATED NEAR MINERAL
POINT...MOVING SOUTHEAST AT 35 MPH.

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

SOURCE...RADAR INDICATED. 

IMPACT...HAIL DAMAGE TO VEHICLES IS EXPECTED. EXPECT WIND DAMAGE TO 
         ROOFS...SIDING...AND TREES. 

LOCATIONS IMPACTED INCLUDE...
DODGEVILLE...MINERAL POINT...DARLINGTON...HIGHLAND...LINDEN...COBB...
REWEY...HOLLANDALE...EDMUND...YELLOWSTONE LAKE ST PARK AND LONDON.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

TO REPORT SEVERE WEATHER CONTACT YOUR NEAREST LAW ENFORCEMENT AGENCY.
THEY WILL SEND YOUR REPORT TO THE NATIONAL WEATHER SERVICE OFFICE IN
MILWAUKEE/SULLIVAN.

&&

LAT...LON 4306 9041 4289 8984 4261 9009 4285 9043
TIME...MOT...LOC 2332Z 301DEG 30KT 4281 9011 

HAIL...1.00IN
WIND...60MPH
 
$$

JTS
744 
WWUS53 KMKX 042346
SVSMKX

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

WIC049-065-050000-
/O.CON.KMKX.SV.W.0071.000000T0000Z-160805T0000Z/
IOWA WI-LAFAYETTE WI-
646 PM CDT THU AUG 4 2016

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 700 PM CDT
FOR SOUTHERN IOWA AND NORTHEASTERN LAFAYETTE COUNTIES...

AT 644 PM CDT...A SEVERE THUNDERSTORM WAS LOCATED 7 MILES NORTHWEST
OF ARGYLE...OR 8 MILES NORTHEAST OF DARLINGTON...MOVING SOUTHEAST AT
35 MPH.

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

SOURCE...RADAR INDICATED. 

IMPACT...HAIL DAMAGE TO VEHICLES IS EXPECTED. EXPECT WIND DAMAGE TO 
         ROOFS...SIDING...AND TREES. 

LOCATIONS IMPACTED INCLUDE...
DODGEVILLE...MINERAL POINT...DARLINGTON...LINDEN...COBB...
HOLLANDALE...EDMUND...YELLOWSTONE LAKE ST PARK AND LONDON.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

TO REPORT SEVERE WEATHER CONTACT YOUR NEAREST LAW ENFORCEMENT AGENCY.
THEY WILL SEND YOUR REPORT TO THE NATIONAL WEATHER SERVICE OFFICE IN
MILWAUKEE/SULLIVAN.

&&

LAT...LON 4303 9031 4289 8984 4261 9009 4289 9039
TIME...MOT...LOC 2344Z 301DEG 30KT 4276 8999 

HAIL...1.00IN
WIND...60MPH
 
$$

JTS

The office that day

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

IssuedProductOfficeCountiesLasted
Aug 4, 2:03 PM CDTSpecial Weather StatementMKXMarquette57 min
Aug 4, 4:14 PM CDTSevere Thunderstorm WarningMKXSauk76 min
Aug 4, 5:04 PM CDTSevere Thunderstorm WarningMKXColumbia, Marquette, Sauk44 min
Aug 4, 5:58 PM CDTSpecial Weather StatementMKXIowa47 min
Aug 4, 6:10 PM CDTAreal Flood AdvisoryMKXIowa, Lafayette2 hr
Aug 4, 6:55 PM CDTSpecial Weather StatementMKXGreen50 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.