Alert archive / Wisconsin / Severe Thunderstorm Warnings in 2016

Severe Thunderstorm Warning 2, NWS Milwaukee, WI

April 25, 2016Ozaukee County, Washington County, Wisconsin

NWS Milwaukee, WI issued this severe thunderstorm warning at Apr 25, 2016, 5:10 PM CDT for Ozaukee County, Washington County, Wisconsin. It was in force for 35 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: Apr 25, 2016, 5:10 PM CDT (22:10 UTC)
Expired: Apr 25, 2016, 5:45 PM CDT
In force: 35 min
Issued by: NWS Milwaukee, WI
Area: Storm-based polygon
Hail: 1.75 in
Wind: 60.0 mph

Counties Ozaukee County, WI, Washington County, WI

The radar

The Milwaukee radar (KMKX), 63 km from the middle of the area, began a volume at 22:09 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
Apr 25, 5:22 PM CDT	HAIL 0.75	3 Sse Jackson, WI
Apr 25, 5:35 PM CDT	HAIL 1.5	Cedarburg, WI	DURATION OF FIVE MINUTES.
Apr 25, 5:35 PM CDT	HAIL 1.75	Port Washington, WI
Apr 25, 5:37 PM CDT	HAIL 1	3 Sse Grafton, WI
Apr 25, 5:38 PM CDT	HAIL 1	2 Sw Port Washington, WI
Apr 25, 5:39 PM CDT	HAIL 0.25	Port Washington, WI

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
Apr 25, 2:17 PM CDT	Severe Thunderstorm Watch	SPC	8 hr

The nearest sounding before it

Green Bay/Straub, WI (KGRB), launched 12:00Z, 10.2 hours before the alert went out and 129 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: 0 J/kg
Mixed-layer CIN: No buoyant parcel
Mixed-layer LCL: 861 m above ground
0-6 km bulk shear: 43 kt
0-1 km storm-relative helicity: 280 m²/s²
0-3 km storm-relative helicity: 279 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

Open this sounding in Storm Lab

The text

As transmitted.

612 
WUUS53 KMKX 252210
SVRMKX
WIC089-131-252245-
/O.NEW.KMKX.SV.W.0002.160425T2210Z-160425T2245Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE MILWAUKEE/SULLIVAN WI
510 PM CDT MON APR 25 2016

THE NATIONAL WEATHER SERVICE IN MILWAUKEE/SULLIVAN HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  SOUTHEASTERN WASHINGTON COUNTY IN SOUTHEASTERN WISCONSIN...
  OZAUKEE COUNTY IN SOUTHEASTERN WISCONSIN...

* UNTIL 545 PM CDT

* AT 509 PM CDT...A SEVERE THUNDERSTORM WAS LOCATED NEAR JACKSON...
  MOVING EAST AT 45 MPH.

  HAZARD...GOLF BALL SIZE HAIL AND 60 MPH WIND GUSTS. 

  SOURCE...RADAR INDICATED. 

  IMPACT...PEOPLE AND ANIMALS OUTDOORS WILL BE INJURED. EXPECT HAIL 
           DAMAGE TO ROOFS...SIDING...WINDOWS...AND VEHICLES. EXPECT 
           WIND DAMAGE TO ROOFS...SIDING...AND TREES. 

* THIS SEVERE THUNDERSTORM WILL BE NEAR...
  JACKSON AROUND 515 PM CDT. 
  BROWN DEER...CEDARBURG...THIENSVILLE AND RIVER HILLS AROUND 525 PM 
  CDT. 
  MEQUON...GRAFTON...SAUKVILLE AND BAYSIDE AROUND 530 PM CDT. 
  PORT WASHINGTON AROUND 535 PM CDT. 

OTHER LOCATIONS IMPACTED BY THIS SEVERE THUNDERSTORM INCLUDE
HUBERTUS...HARRINGTON BEACH ST PARK AND RICHFIELD.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 4336 8786 4326 8789 4318 8787 4319 8789
      4320 8833 4338 8827 4353 8778 4350 8778
TIME...MOT...LOC 2209Z 255DEG 41KT 4324 8823 

HAIL...1.75IN
WIND...60MPH
 
$$

WOOD

3 follow-up statements

595 
WWUS53 KMKX 252224
SVSMKX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE MILWAUKEE/SULLIVAN WI
524 PM CDT MON APR 25 2016

WIC089-131-252245-
/O.CON.KMKX.SV.W.0002.000000T0000Z-160425T2245Z/
WASHINGTON WI-OZAUKEE WI-
524 PM CDT MON APR 25 2016

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 545 PM CDT
FOR SOUTHEASTERN WASHINGTON AND OZAUKEE COUNTIES...

AT 523 PM CDT...SEVERE THUNDERSTORMS WERE LOCATED ALONG A LINE
EXTENDING FROM NEAR NEWBURG TO NEAR CEDARBURG...MOVING EAST AT 40
MPH.

HAZARD...GOLF BALL SIZE HAIL AND 60 MPH WIND GUSTS. 

SOURCE...RADAR INDICATED. AT 508 PM CDT...GOLF BALL SIZED HAIL WAS
         REPORTED IN SLINGER. 

IMPACT...PEOPLE AND ANIMALS OUTDOORS WILL BE INJURED. EXPECT HAIL 
         DAMAGE TO ROOFS...SIDING...WINDOWS...AND VEHICLES. EXPECT WIND 
         DAMAGE TO ROOFS...SIDING...AND TREES. 

THESE SEVERE STORMS WILL BE NEAR...
  GRAFTON...SAUKVILLE AND FREDONIA AROUND 535 PM CDT. 
  PORT WASHINGTON AROUND 540 PM CDT. 
  BELGIUM AROUND 545 PM CDT. 

OTHER LOCATIONS IMPACTED BY THESE SEVERE THUNDERSTORMS INCLUDE
HARRINGTON BEACH ST PARK.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 4336 8786 4326 8789 4318 8787 4319 8789
      4322 8815 4339 8815 4353 8778 4350 8778
TIME...MOT...LOC 2223Z 253DEG 33KT 4337 8805 4328 8808 

HAIL...1.75IN
WIND...60MPH
 
$$

GAGAN

345 
WWUS53 KMKX 252235
SVSMKX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE MILWAUKEE/SULLIVAN WI
535 PM CDT MON APR 25 2016

WIC131-252245-
/O.CAN.KMKX.SV.W.0002.000000T0000Z-160425T2245Z/
WASHINGTON WI-
535 PM CDT MON APR 25 2016

...THE SEVERE THUNDERSTORM WARNING FOR SOUTHEASTERN WASHINGTON COUNTY
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 1000 PM CDT FOR
SOUTHEASTERN WISCONSIN.

LAT...LON 4336 8786 4324 8789 4325 8803 4342 8802
      4353 8778 4350 8778
TIME...MOT...LOC 2235Z 255DEG 41KT 4340 8788 4331 8791 

$$

WIC089-252245-
/O.CON.KMKX.SV.W.0002.000000T0000Z-160425T2245Z/
OZAUKEE WI-
535 PM CDT MON APR 25 2016

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 545 PM CDT
FOR CENTRAL OZAUKEE COUNTY...

AT 535 PM CDT...SEVERE THUNDERSTORMS WERE LOCATED ALONG A LINE
EXTENDING FROM PORT WASHINGTON TO NEAR GRAFTON...MOVING EAST AT 45
MPH.

HAZARD...PING PONG BALL SIZE HAIL AND 60 MPH WIND GUSTS. 

SOURCE...RADAR INDICATED. 

IMPACT...PEOPLE AND ANIMALS OUTDOORS WILL BE INJURED. EXPECT HAIL 
         DAMAGE TO ROOFS...SIDING...WINDOWS...AND VEHICLES. EXPECT WIND 
         DAMAGE TO ROOFS...SIDING...AND TREES. 

THESE SEVERE STORMS WILL BE NEAR...
  BELGIUM AROUND 540 PM CDT. 

OTHER LOCATIONS IMPACTED BY THESE SEVERE THUNDERSTORMS INCLUDE
HARRINGTON BEACH ST PARK.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 4336 8786 4324 8789 4325 8803 4342 8802
      4353 8778 4350 8778
TIME...MOT...LOC 2235Z 255DEG 41KT 4340 8788 4331 8791 

HAIL...1.50IN
WIND...60MPH
 
$$

GAGAN

145 
WWUS53 KMKX 252245
SVSMKX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE MILWAUKEE/SULLIVAN WI
545 PM CDT MON APR 25 2016

WIC089-252254-
/O.EXP.KMKX.SV.W.0002.000000T0000Z-160425T2245Z/
OZAUKEE WI-
545 PM CDT MON APR 25 2016

...THE SEVERE THUNDERSTORM WARNING FOR CENTRAL OZAUKEE COUNTY WILL
EXPIRE AT 545 PM CDT...
    
THE STORMS WHICH PROMPTED THE WARNING HAVE MOVED OUT OF THE AREA.
THEREFORE THE WARNING WILL BE ALLOWED TO EXPIRE.

A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL 1000 PM CDT FOR
SOUTHEASTERN WISCONSIN.

SCATTERED THUNDERSTORMS REMAIN POSSIBLE INTO THIS EVENING.

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

LAT...LON 4336 8786 4324 8789 4325 8803 4342 8802
      4353 8778 4350 8778
TIME...MOT...LOC 2243Z 255DEG 41KT 4340 8788 4331 8791 

$$

GAGAN

The office that day

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

Issued	Product	Office	Counties	Lasted
Apr 25, 3:35 AM CDT	Small Craft Advisory	MKX		45 hr
Apr 25, 2:14 PM CDT	Special Weather Statement	MKX	Fond du Lac	31 min
Apr 25, 2:57 PM CDT	Special Weather Statement	MKX	Waukesha	33 min
Apr 25, 3:07 PM CDT	Special Weather Statement	MKX	Waukesha	38 min
Apr 25, 3:19 PM CDT	Special Weather Statement	MKX	Milwaukee	26 min
Apr 25, 3:36 PM CDT	Special Marine Warning	MKX		24 min
Apr 25, 3:56 PM CDT	Special Weather Statement	MKX	Ozaukee, Washington	49 min
Apr 25, 4:03 PM CDT	Special Marine Warning	MKX		42 min
Apr 25, 4:21 PM CDT	Special Weather Statement	MKX	Waukesha	39 min
Apr 25, 4:23 PM CDT	Special Marine Warning	MKX		37 min
Apr 25, 4:39 PM CDT	Special Weather Statement	MKX	Racine	36 min
Apr 25, 4:47 PM CDT	Special Weather Statement	MKX	Kenosha	28 min
Apr 25, 5:01 PM CDT	Special Weather Statement	MKX	Ozaukee, Washington	44 min
Apr 25, 5:04 PM CDT	Special Marine Warning	MKX		56 min
Apr 25, 5:18 PM CDT	Special Marine Warning	MKX		87 min
Apr 25, 5:32 PM CDT	Special Weather Statement	MKX	Milwaukee	43 min
Apr 25, 5:49 PM CDT	Special Weather Statement	MKX	Sheboygan	26 min
Apr 25, 5:51 PM CDT	Special Marine Warning	MKX		84 min
Apr 25, 6:09 PM CDT	Special Marine Warning	MKX		21 min
Apr 25, 6:27 PM CDT	Special Weather Statement	MKX	Kenosha, Racine	33 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.