Alert archive / Wisconsin / Severe Thunderstorm Warnings in 2016

Severe Thunderstorm Warning 4, NWS Milwaukee, WI

May 25, 2016Sauk County, Wisconsin

NWS Milwaukee, WI issued this severe thunderstorm warning at May 25, 2016, 2:42 PM CDT for Sauk County, Wisconsin. It was in force for 18 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: May 25, 2016, 2:42 PM CDT (19:42 UTC)
Expired: May 25, 2016, 3:00 PM CDT
In force: 18 min
Issued by: NWS Milwaukee, WI
Area: Storm-based polygon
Hail: 1.0 in
Wind: 60.0 mph

County Sauk County, WI

The radar

The La Crosse radar (KARX), 79 km from the middle of the area, began a volume at 19:41 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 12:00Z, 7.7 hours before the alert went out and 198 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: 869 m above ground
0-6 km bulk shear: 33 kt
0-1 km storm-relative helicity: 82 m²/s²
0-3 km storm-relative helicity: 108 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

Open this sounding in Storm Lab

The text

As transmitted.

609 
WUUS53 KMKX 251942
SVRMKX
WIC111-252000-
/O.NEW.KMKX.SV.W.0004.160525T1942Z-160525T2000Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE MILWAUKEE/SULLIVAN WI
242 PM CDT WED MAY 25 2016

THE NATIONAL WEATHER SERVICE IN MILWAUKEE/SULLIVAN HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  NORTHWESTERN SAUK COUNTY IN SOUTH CENTRAL WISCONSIN...

* UNTIL 300 PM CDT

* AT 241 PM CDT...A SEVERE THUNDERSTORM WAS LOCATED NEAR HILLSBORO...OR
  18 MILES NORTH OF RICHLAND CENTER...MOVING NORTHEAST 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. 

* THIS SEVERE THUNDERSTORM WILL REMAIN OVER MAINLY RURAL AREAS OF
  NORTHWESTERN SAUK COUNTY.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 4364 9019 4355 9027 4356 9031 4364 9031
TIME...MOT...LOC 1941Z 225DEG 29KT 4360 9038 

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

BSH

1 follow-up statement

596 
WWUS53 KMKX 251958
SVSMKX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE MILWAUKEE/SULLIVAN WI
258 PM CDT WED MAY 25 2016

WIC111-252007-
/O.EXP.KMKX.SV.W.0004.000000T0000Z-160525T2000Z/
SAUK WI-
258 PM CDT WED MAY 25 2016

...THE SEVERE THUNDERSTORM WARNING FOR NORTHWESTERN SAUK COUNTY WILL
EXPIRE AT 300 PM CDT...
        
THE STORM WHICH PROMPTED THE WARNING HAS MOVED OUT OF THE AREA.
THEREFORE THE WARNING WILL BE ALLOWED TO EXPIRE.

LAT...LON 4364 9019 4355 9027 4356 9031 4364 9031
TIME...MOT...LOC 1956Z 225DEG 29KT 4360 9038 

$$

SPM

The office that day

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

Issued	Product	Office	Counties	Lasted
May 25, 10:55 AM CDT	Marine Dense Fog Advisory	MKX		8 hr
May 25, 2:16 PM CDT	Severe Thunderstorm Warning	MKX	Sauk	29 min
May 25, 2:47 PM CDT	Special Weather Statement	MKX	Dane	43 min
May 25, 3:16 PM CDT	Special Weather Statement	MKX	Marquette	44 min
May 25, 3:44 PM CDT	Special Weather Statement	MKX	Dane, Jefferson, Rock	46 min
May 25, 3:53 PM CDT	Special Weather Statement	MKX	Fond du Lac, Green Lake	67 min
May 25, 4:29 PM CDT	Special Weather Statement	MKX	Green Lake	31 min
May 25, 4:39 PM CDT	Special Weather Statement	MKX	Dodge	51 min
May 25, 4:50 PM CDT	Special Weather Statement	MKX	Walworth	40 min
May 25, 5:07 PM CDT	Special Weather Statement	MKX	Waukesha	38 min
May 25, 5:16 PM CDT	Special Weather Statement	MKX	Green Lake	29 min
May 25, 5:31 PM CDT	Special Weather Statement	MKX	Green	44 min
May 25, 5:40 PM CDT	Special Weather Statement	MKX	Marquette	50 min
May 25, 6:12 PM CDT	Severe Thunderstorm Warning	MKX	Marquette	33 min
May 25, 6:19 PM CDT	Tornado Warning	MKX	Marquette	26 min
May 25, 6:44 PM CDT	Special Weather Statement	MKX	Green Lake	46 min
May 25, 6:58 PM CDT	Severe Thunderstorm Warning	MKX	Green Lake	32 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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.