Alert archive / Wisconsin / Severe Thunderstorm Warnings in 2015

Severe Thunderstorm Warning 21, NWS Milwaukee, WI

July 13, 20154 counties in Wisconsin

NWS Milwaukee, WI issued this severe thunderstorm warning at Jul 13, 2015, 2:41 AM CDT for 4 counties in Wisconsin. It was in force for 34 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: Jul 13, 2015, 2:41 AM CDT (07:41 UTC)
Expired: Jul 13, 2015, 3:15 AM CDT
In force: 34 min
Issued by: NWS Milwaukee, WI
Area: Storm-based polygon
Hail: 1.0 in
Wind: 60.0 mph

Counties Dodge County, WI, Fond du Lac County, WI, Sheboygan County, WI, Washington County, WI

The radar

The Milwaukee radar (KMKX), 63 km from the middle of the area, began a volume at 07:45 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 nearest sounding before it

Green Bay/Straub, WI (KGRB), launched 00:00Z, 7.7 hours before the alert went out and 109 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: 321 J/kg
Mixed-layer CIN: -181 J/kg
Mixed-layer LCL: 1212 m above ground
0-6 km bulk shear: 40 kt
0-1 km storm-relative helicity: 97 m²/s²
0-3 km storm-relative helicity: 133 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 3.1

Open this sounding in Storm Lab

The text

As transmitted, in the capitals the NWS used until 2016.

924 
WUUS53 KMKX 130741
SVRMKX
WIC027-039-117-131-130815-
/O.NEW.KMKX.SV.W.0021.150713T0741Z-150713T0815Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE MILWAUKEE/SULLIVAN WI
241 AM CDT MON JUL 13 2015

THE NATIONAL WEATHER SERVICE IN MILWAUKEE/SULLIVAN HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  NORTHWESTERN WASHINGTON COUNTY IN SOUTHEASTERN WISCONSIN...
  SOUTHWESTERN SHEBOYGAN COUNTY IN EAST CENTRAL WISCONSIN...
  NORTHEASTERN DODGE COUNTY IN SOUTHEASTERN WISCONSIN...
  SOUTHEASTERN FOND DU LAC COUNTY IN EAST CENTRAL WISCONSIN...

* UNTIL 315 AM CDT

* AT 240 AM CDT...A SEVERE THUNDERSTORM WAS LOCATED OVER MAYVILLE...
  MOVING NORTHEAST AT 40 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...
  MAYVILLE...KEWASKUM...HORICON...LOMIRA...CAMPBELLSPORT...THERESA...
  BURNETT...ASHFORD...BYRON...EDEN...BROWNSVILLE...WAYNE...
  KEKOSKEE...NEW FANE...DUNDEE...KNOWLES...MINNESOTA JUNCTION...
  WAUCOUSTA AND BEECHWOOD.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 4338 8864 4353 8876 4380 8823 4357 8805
TIME...MOT...LOC 0740Z 240DEG 36KT 4351 8859 

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

MBK

2 follow-up statements

208 
WWUS53 KMKX 130757
SVSMKX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE MILWAUKEE/SULLIVAN WI
257 AM CDT MON JUL 13 2015

WIC027-039-117-131-130815-
/O.CON.KMKX.SV.W.0021.000000T0000Z-150713T0815Z/
WASHINGTON WI-SHEBOYGAN WI-DODGE WI-FOND DU LAC WI-
257 AM CDT MON JUL 13 2015

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 315 AM CDT
FOR NORTHWESTERN WASHINGTON...SOUTHWESTERN SHEBOYGAN...NORTHEASTERN
DODGE AND SOUTHEASTERN FOND DU LAC COUNTIES...

AT 256 AM CDT...A SEVERE THUNDERSTORM WAS LOCATED NEAR LOMIRA...OR 9 
MILES NORTHWEST OF KEWASKUM...MOVING NORTHEAST AT 40 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...
MAYVILLE...KEWASKUM...LOMIRA...CAMPBELLSPORT...THERESA...ASHFORD...
BYRON...EDEN...BROWNSVILLE...WAYNE...KEKOSKEE...NEW FANE...DUNDEE...
KNOWLES...WAUCOUSTA AND BEECHWOOD.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 4342 8852 4357 8864 4380 8823 4357 8805
TIME...MOT...LOC 0756Z 240DEG 36KT 4359 8839 

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

SPM

138 
WWUS53 KMKX 130814
SVSMKX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE MILWAUKEE/SULLIVAN WI
314 AM CDT MON JUL 13 2015

WIC027-039-117-131-130823-
/O.EXP.KMKX.SV.W.0021.000000T0000Z-150713T0815Z/
WASHINGTON WI-SHEBOYGAN WI-DODGE WI-FOND DU LAC WI-
314 AM CDT MON JUL 13 2015

...THE SEVERE THUNDERSTORM WARNING FOR NORTHWESTERN WASHINGTON...
SOUTHWESTERN SHEBOYGAN...NORTHEASTERN DODGE AND SOUTHEASTERN FOND DU
LAC COUNTIES WILL EXPIRE AT 315 AM CDT...
                
THE STORM WHICH PROMPTED THE WARNING HAS WEAKENED BELOW SEVERE
LIMITS...AND NO LONGER POSE AN IMMEDIATE THREAT TO LIFE OR PROPERTY.
THEREFORE THE WARNING WILL BE ALLOWED TO EXPIRE.  HOWEVER SMALL HAIL
AND GUSTY WINDS ARE STILL POSSIBLE WITH THIS THUNDERSTORM.

LAT...LON 4342 8852 4357 8864 4380 8823 4357 8805
TIME...MOT...LOC 0811Z 240DEG 36KT 4359 8839 

$$

SPM

The office that day

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

Issued	Product	Office	Counties	Lasted
Jul 13, 1:53 AM CDT	Special Weather Statement	MKX	Columbia, Dane, Dodge, Fond du Lac, Green Lake, Iowa and 2 more	82 min
Jul 13, 2:32 AM CDT	Special Weather Statement	MKX	Columbia, Green Lake, Iowa, Marquette, Sauk	58 min
Jul 13, 2:46 AM CDT	Severe Thunderstorm Warning	MKX	Columbia, Marquette, Sauk	59 min
Jul 13, 3:05 AM CDT	Flash Flood Warning	MKX	Columbia	3 hr
Jul 13, 3:28 AM CDT	Flash Flood Warning	MKX	Dodge	3 hr
Jul 13, 3:32 AM CDT	Areal Flood Advisory	MKX	Fond du Lac, Green Lake, Marquette	118 min
Jul 13, 3:35 AM CDT	Severe Thunderstorm Warning	MKX	Columbia, Dane, Dodge, Fond du Lac, Green Lake, Iowa and 1 more	55 min
Jul 13, 3:52 AM CDT	Severe Thunderstorm Warning	MKX	Dane, Dodge, Green, Iowa, Jefferson, Lafayette and 1 more	53 min
Jul 13, 3:54 AM CDT	Special Marine Warning	MKX		2 hr
Jul 13, 4:08 AM CDT	Tornado Warning	MKX	Dodge	37 min
Jul 13, 4:22 AM CDT	Severe Thunderstorm Warning	MKX	Dodge, Fond du Lac, Sheboygan, Washington, Waukesha	38 min
Jul 13, 4:45 AM CDT	Severe Thunderstorm Warning	MKX	Green, Lafayette, Rock, Walworth	45 min
Jul 13, 4:52 AM CDT	Severe Thunderstorm Warning	MKX	Milwaukee, Ozaukee, Sheboygan	38 min
Jul 13, 5:03 AM CDT	Severe Thunderstorm Warning	MKX	Kenosha, Racine	57 min
Jul 13, 5:09 AM CDT	Severe Thunderstorm Warning	MKX	Washington, Waukesha	21 min
Jul 13, 5:54 AM CDT	Special Marine Warning	MKX		66 min
Jul 13, 4:38 PM CDT	Special Weather Statement	MKX	Sauk	37 min
Jul 13, 5:21 PM CDT	Special Weather Statement	MKX	Sauk	39 min
Jul 13, 6:05 PM CDT	Special Weather Statement	MKX	Sauk	40 min
Jul 13, 6:14 PM CDT	Severe Thunderstorm Warning	MKX	Iowa, Sauk	46 min
Jul 13, 6:26 PM CDT	Severe Thunderstorm Warning	MKX	Columbia, Sauk	49 min
Jul 13, 6:43 PM CDT	Tornado Warning	MKX	Iowa	32 min

Nearby

Severe Thunderstorm Warnings in Wisconsin, 2015 Every severe thunderstorm warning in 2015

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.