Alert archive / Wisconsin / Severe Thunderstorm Warnings in 2016

Severe Thunderstorm Warning 33, NWS Milwaukee, WI

July 5, 2016Dane County, Wisconsin

NWS Milwaukee, WI issued this severe thunderstorm warning at Jul 5, 2016, 11:51 PM CDT for Dane County, Wisconsin. It was in force for 54 min. 12 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: Jul 5, 2016, 11:51 PM CDT (04:51 UTC)
Expired: Jul 6, 2016, 12:45 AM CDT
In force: 54 min
Issued by: NWS Milwaukee, WI
Area: Storm-based polygon
Tornado: Possible
Hail: 0.75 in
Wind: 70.0 mph

County Dane County, WI

The radar

The Milwaukee radar (KMKX), 88 km from the middle of the area, began a volume at 04:50 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

Time	Report	Where	Remark
Jul 6, 12:17 AM CDT	TSTM WND DMG	1 W Madison, WI	NUMEROUS TREES DOWN ON POWER LINES ON WESTERN SIDE OF CITY.
Jul 6, 12:20 AM CDT	TSTM WND DMG	2 W Madison, WI	BRICK WALL DESTROYED BY FALLING TREE ON WEST SIDE OF MADISON.
Jul 6, 12:21 AM CDT	TSTM WND GST 60	3 Sw Cross Plains, WI
Jul 6, 12:24 AM CDT	TSTM WND DMG	Maple Bluff, WI	NUMEROUS TREES SNAPPED ABOUT MIDWAY UP THOUGH SOME APPEARED TO BREAK NEAR WEAK POINTS.
Jul 6, 12:25 AM CDT	TSTM WND DMG	Sun Prairie, WI	SMALL TREES SNAPPED NEAR BASE.
Jul 6, 12:27 AM CDT	TSTM WND DMG	Madison, WI	NUMEROUS DOWNED TREES...DOWNED POWER LINES...AND BLOCKED STREETS FROM THE TREES. MANY SHEETS OF INSULATION BOARD WERE BLOWN FROM A CONSTRUCTION SITE ONTO WASHINGTON BLVD. VIA CITY EMERGENCY MANAGEMENT.
Jul 6, 12:27 AM CDT	TSTM WND GST 40	5 E Madison, WI	MULTIPLE 3-4 INCH DIAMETER TREE BRANCHES DOWN. TIME ESTIMATED BY RADAR.
Jul 6, 12:27 AM CDT	TSTM WND GST 40	5 E Madison, WI	3-4 INCH DIAMETER TREE BRANCHES DOWN. RELAYED VIA FACEBOOK. TIME ESTIMATED BY RADAR.
Jul 6, 12:30 AM CDT	TSTM WND DMG	2 Sw Madison, WI	SEVERAL TREES UPROOTED. TREES SNAPPED OFF.
Jul 6, 12:32 AM CDT	TSTM WND DMG	1 Ne Mcfarland, WI	LARGE TREE BRANCHES DOWN.
Jul 6, 12:41 AM CDT	TSTM WND DMG	Cambridge, WI	NUMEROUS LARGE TREE BRANCHES DOWN.
Jul 6, 12:55 AM CDT	TSTM WND GST 45	Black Earth, WI	9-10 INCH DIAMETER TREE BRANCHES DOWN.

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.

Issued	Product	Office	Lasted
Jul 5, 9:50 PM CDT	Severe Thunderstorm Watch	SPC	7 hr

The nearest sounding before it

Green Bay/Straub, WI (KGRB), launched 00:00Z, 4.9 hours before the alert went out and 186 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-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

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: 505 J/kg
Mixed-layer CIN: -125 J/kg
Mixed-layer LCL: 1508 m above ground
0-6 km bulk shear: 22 kt
0-1 km storm-relative helicity: -9 m²/s²
0-3 km storm-relative helicity: 8 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.4

Open this sounding in Storm Lab

The text

As transmitted.

882 
WUUS53 KMKX 060451
SVRMKX
WIC025-060545-
/O.NEW.KMKX.SV.W.0033.160706T0451Z-160706T0545Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE MILWAUKEE/SULLIVAN WI
1151 PM CDT TUE JUL 5 2016

THE NATIONAL WEATHER SERVICE IN MILWAUKEE/SULLIVAN HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  DANE COUNTY IN SOUTH CENTRAL WISCONSIN...

* UNTIL 1245 AM CDT

* AT 1151 PM CDT...A SEVERE THUNDERSTORM WAS LOCATED OVER
  MAZOMANIE... OR 7 MILES SOUTH OF SAUK CITY...MOVING EAST AT 45 MPH.

  HAZARD...70 MPH WIND GUSTS. 

  SOURCE...RADAR INDICATED. 

  IMPACT...EXPECT CONSIDERABLE TREE DAMAGE. DAMAGE IS LIKELY TO 
           MOBILE HOMES...ROOFS...AND OUTBUILDINGS. 

* LOCATIONS IMPACTED INCLUDE...
  MADISON...SUN PRAIRIE...FITCHBURG...MIDDLETON...STOUGHTON...
  WAUNAKEE...VERONA...MCFARLAND...MONONA...WINDSOR...MARSHALL...
  SAUK CITY...DEFOREST...COTTAGE GROVE...CROSS PLAINS...DEERFIELD...
  MAZOMANIE...SHOREWOOD HILLS...CAMBRIDGE AND BLACK EARTH.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 4306 8984 4320 8984 4323 8982 4324 8980
      4324 8977 4328 8971 4329 8971 4329 8937
      4328 8936 4328 8901 4289 8902
TIME...MOT...LOC 0451Z 279DEG 40KT 4316 8978 

TORNADO...POSSIBLE
HAIL...<.75IN
WIND...70MPH
 
$$

SPM

3 follow-up statements

880 
WWUS53 KMKX 060515
SVSMKX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE MILWAUKEE/SULLIVAN WI
1215 AM CDT WED JUL 6 2016

WIC025-060545-
/O.CON.KMKX.SV.W.0033.000000T0000Z-160706T0545Z/
DANE WI-
1215 AM CDT WED JUL 6 2016

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 1245 AM CDT
FOR DANE COUNTY...

AT 1212 AM CDT...SEVERE THUNDERSTORMS WERE LOCATED ALONG A LINE
EXTENDING FROM NEAR DEFOREST TO NEAR MOUNT HOREB...MOVING EAST AT 50
MPH.

HAZARD...70 MPH WIND GUSTS. 

SOURCE...RADAR INDICATED. 

IMPACT...EXPECT CONSIDERABLE TREE DAMAGE. DAMAGE IS LIKELY TO MOBILE 
         HOMES...ROOFS...AND OUTBUILDINGS. 

LOCATIONS IMPACTED INCLUDE...
MADISON...SUN PRAIRIE...FITCHBURG...MIDDLETON...STOUGHTON...
WAUNAKEE...VERONA...MCFARLAND...MONONA...WINDSOR...MARSHALL...
SAUK CITY...DEFOREST...COTTAGE GROVE...CROSS PLAINS...DEERFIELD...
MAZOMANIE...SHOREWOOD HILLS...CAMBRIDGE AND BLACK EARTH.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

THIS IS A DANGEROUS SITUATION. THESE STORMS HAVE PRODUCED WIDESPREAD
WIND DAMAGE ACROSS SAUK COUNTY. SEEK SHELTER NOW INSIDE A STURDY
STRUCTURE AND STAY AWAY FROM WINDOWS.

REMEMBER SEVERE THUNDERSTORMS CAN PRODUCE A TORNADO WITH LITTLE TO
NO ADVANCE WARNING.
 
&&

LAT...LON 4306 8984 4320 8984 4323 8982 4324 8980
      4324 8977 4328 8971 4329 8971 4329 8937
      4328 8936 4328 8901 4289 8902
TIME...MOT...LOC 0512Z 289DEG 42KT 4328 8939 4293 8971 

TORNADO...POSSIBLE
HAIL...<.75IN
WIND...70MPH
 
$$

REM

271 
WWUS53 KMKX 060538
SVSMKX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE MILWAUKEE/SULLIVAN WI
1238 AM CDT WED JUL 6 2016

WIC025-060545-
/O.CON.KMKX.SV.W.0033.000000T0000Z-160706T0545Z/
DANE WI-
1238 AM CDT WED JUL 6 2016

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 1245 AM CDT
FOR DANE COUNTY...

AT 1238 AM CDT...SEVERE THUNDERSTORMS WERE LOCATED ALONG A LINE
EXTENDING FROM NEAR WATERLOO TO NEAR BROOKLYN...MOVING EAST AT 45
MPH.

HAZARD...70 MPH WIND GUSTS. 

SOURCE...RADAR INDICATED. 

IMPACT...EXPECT CONSIDERABLE TREE DAMAGE. DAMAGE IS LIKELY TO MOBILE 
         HOMES...ROOFS...AND OUTBUILDINGS. 

LOCATIONS IMPACTED INCLUDE...
MADISON...SUN PRAIRIE...FITCHBURG...MIDDLETON...STOUGHTON...
WAUNAKEE...VERONA...MCFARLAND...MONONA...WINDSOR...MARSHALL...
SAUK CITY...DEFOREST...COTTAGE GROVE...CROSS PLAINS...DEERFIELD...
MAZOMANIE...SHOREWOOD HILLS...CAMBRIDGE AND BLACK EARTH.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

INTENSE THUNDERSTORM LINES CAN PRODUCE BRIEF TORNADOES AND WIDESPREAD
SIGNIFICANT WIND DAMAGE. ALTHOUGH A TORNADO IS NOT IMMEDIATELY
LIKELY...IT IS BEST TO MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR
OF A BUILDING. THESE STORMS MAY CAUSE SERIOUS INJURY AND SIGNIFICANT
PROPERTY DAMAGE.

&&

LAT...LON 4306 8984 4320 8984 4323 8982 4324 8980
      4324 8977 4328 8971 4329 8971 4329 8937
      4328 8936 4328 8901 4289 8902
TIME...MOT...LOC 0538Z 279DEG 40KT 4324 8902 4289 8935 

TORNADO...POSSIBLE
HAIL...<.75IN
WIND...70MPH
 
$$

REM

053 
WWUS53 KMKX 060549
SVSMKX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE MILWAUKEE/SULLIVAN WI
1249 AM CDT WED JUL 6 2016

WIC025-060558-
/O.EXP.KMKX.SV.W.0033.000000T0000Z-160706T0545Z/
DANE WI-
1249 AM CDT WED JUL 6 2016

...THE SEVERE THUNDERSTORM WARNING FOR DANE COUNTY HAS EXPIRED...
    
THE STORMS WHICH PROMPTED THE WARNING HAVE MOVED OUT OF THE AREA.
THEREFORE THE WARNING HAS BEEN ALLOWED TO EXPIRE.

A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL 500 AM CDT FOR
SOUTH CENTRAL WISCONSIN.

REMEMBER...A SEVERE THUNDERSTORM WARNING STILL REMAINS IN EFFECT FOR
SOUTHEASTERN DANE COUNTY AND JEFFERSON COUNTY UNTIL 115 AM CDT.

LAT...LON 4306 8984 4320 8984 4323 8982 4324 8980
      4324 8977 4328 8971 4329 8971 4329 8937
      4328 8936 4328 8901 4289 8902
TIME...MOT...LOC 0546Z 279DEG 40KT 4324 8902 4289 8935 

$$

REM

The office that day

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

Issued	Product	Office	Counties	Lasted
Jul 5, 10:49 PM CDT	Severe Thunderstorm Warning	MKX	Columbia, Iowa, Sauk	71 min
Jul 5, 11:35 PM CDT	Severe Thunderstorm Warning	MKX	Iowa, Lafayette	25 min
Jul 5, 11:46 PM CDT	Severe Thunderstorm Warning	MKX	Columbia, Green Lake, Marquette, Sauk	59 min
Jul 5, 11:54 PM CDT	Severe Thunderstorm Warning	MKX	Dane, Green, Iowa, Jefferson, Lafayette, Rock	66 min
Jul 6, 12:13 AM CDT	Severe Thunderstorm Warning	MKX	Dodge, Fond du Lac	62 min
Jul 6, 12:36 AM CDT	Severe Thunderstorm Warning	MKX	Dane, Jefferson	39 min
Jul 6, 12:46 AM CDT	Severe Thunderstorm Warning	MKX	Rock	44 min
Jul 6, 12:58 AM CDT	Special Weather Statement	MKX	Waukesha	62 min
Jul 6, 1:07 AM CDT	Special Weather Statement	MKX	Walworth	53 min
Jul 6, 1:13 AM CDT	Severe Thunderstorm Warning	MKX	Racine, Rock, Walworth, Waukesha	47 min
Jul 6, 1:18 AM CDT	Special Weather Statement	MKX	Milwaukee	27 min
Jul 6, 1:25 AM CDT	Special Marine Warning	MKX		2 hr
Jul 6, 1:30 AM CDT	Special Weather Statement	MKX	Kenosha, Racine	60 min
Jul 6, 1:38 AM CDT	Severe Thunderstorm Warning	MKX	Kenosha, Racine	52 min

Nearby

Severe Thunderstorm Warnings in Wisconsin, 2016 Every 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.