Alert archive / Wisconsin / Severe Thunderstorm Warnings in 2012

Severe Thunderstorm Warning 10, NWS Milwaukee, WI

May 3, 2012Columbia County, Dodge County, Wisconsin

NWS Milwaukee, WI issued this severe thunderstorm warning at May 3, 2012, 2:59 PM CDT for Columbia County, Dodge County, Wisconsin. It was in force for 46 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 3, 2012, 2:59 PM CDT (19:59 UTC)
Expired
May 3, 2012, 3:45 PM CDT
In force
46 min
Issued by
NWS Milwaukee, WI
Area
Storm-based polygon
Hail
1.0 in
Wind
50.0 mph

Counties Columbia County, WI, Dodge County, WI

The radar

The Milwaukee radar (KMKX), 79 km from the middle of the area, began a volume at 20:01 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 watch it was issued in

The SPC watch in force over the same counties when this warning went out.

IssuedProductOfficeLasted
May 3, 1:07 PM CDTSevere Thunderstorm WatchSPC6 hr

The nearest sounding before it

Green Bay/Straub, WI (KGRB), launched 12:00Z, 8.0 hours before the alert went out and 131 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, Green Bay/Straub, WI at 12:00Z on 2012-05-03Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 321 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, Green Bay/Straub, WI at 12:00Z on 2012-05-03The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 160 square meters per square second.19395878Sfc1 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
321 J/kg
Mixed-layer CIN
-146 J/kg
Mixed-layer LCL
565 m above ground
0-6 km bulk shear
58 kt
0-1 km storm-relative helicity
160 m²/s²
0-3 km storm-relative helicity
220 m²/s²
Significant tornado parameter
0.0
Supercell composite
1.8

Open this sounding in Storm Lab

The text

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

405 
WUUS53 KMKX 031959
SVRMKX
WIC021-027-032045-
/O.NEW.KMKX.SV.W.0010.120503T1959Z-120503T2045Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE MILWAUKEE/SULLIVAN WI
259 PM CDT THU MAY 3 2012

THE NATIONAL WEATHER SERVICE IN SULLIVAN HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  EAST CENTRAL COLUMBIA COUNTY IN SOUTH CENTRAL WISCONSIN...
  NORTHWESTERN DODGE COUNTY IN SOUTHEAST WISCONSIN...

* UNTIL 345 PM CDT

* AT 256 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM CAPABLE OF PRODUCING QUARTER SIZE HAIL.  THIS
  STORM WAS LOCATED NEAR PARDEEVILLE...OR 10 MILES EAST OF PORTAGE...
  AND MOVING EAST AT 20 MPH.

* LOCATIONS IMPACTED INCLUDE...
  CAMBRIA...RANDOLPH AND FRIESLAND.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

SEVERE THUNDERSTORMS PRODUCE DAMAGING WIND IN EXCESS OF 60 MILES PER
HOUR...DESTRUCTIVE HAIL...DEADLY LIGHTNING...AND VERY HEAVY RAIN. FOR
YOUR PROTECTION MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR OF YOUR
HOME OR BUSINESS. HEAVY RAINS FLOOD ROADS QUICKLY SO DO NOT DRIVE
INTO AREAS WHERE WATER COVERS THE ROAD.

&&

LAT...LON 4361 8895 4345 8895 4349 8933 4359 8933
TIME...MOT...LOC 1959Z 270DEG 18KT 4353 8925
WIND...HAIL <50MPH 1.00IN

$$

WIMBERLEY
4 follow-up statements
563 
WWUS53 KMKX 032008
SVSMKX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE MILWAUKEE/SULLIVAN WI
308 PM CDT THU MAY 3 2012

WIC021-027-032045-
/O.CON.KMKX.SV.W.0010.000000T0000Z-120503T2045Z/
COLUMBIA WI-DODGE WI-
308 PM CDT THU MAY 3 2012

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT FOR NORTHWESTERN
DODGE AND EAST CENTRAL COLUMBIA COUNTIES UNTIL 345 PM CDT...

AT 305 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
SEVERE THUNDERSTORM CAPABLE OF PRODUCING QUARTER SIZE HAIL.  THIS
STORM WAS LOCATED NEAR PARDEEVILLE...OR 13 MILES EAST OF PORTAGE...
MOVING EAST AT 20 MPH.

LOCATIONS IMPACTED INCLUDE...
  CAMBRIA...RANDOLPH AND FRIESLAND.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

SEVERE THUNDERSTORMS PRODUCE DAMAGING WIND IN EXCESS OF 60 MILES PER
HOUR...DESTRUCTIVE HAIL...DEADLY LIGHTNING...AND VERY HEAVY RAIN. FOR
YOUR PROTECTION MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR OF YOUR
HOME OR BUSINESS. HEAVY RAINS FLOOD ROADS QUICKLY SO DO NOT DRIVE
INTO AREAS WHERE WATER COVERS THE ROAD.

&&

LAT...LON 4361 8895 4345 8895 4349 8925 4359 8928
TIME...MOT...LOC 2008Z 270DEG 18KT 4353 8919
WIND...HAIL <50MPH 1.00IN

$$

BROOKS
099 
WWUS53 KMKX 032019
SVSMKX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE MILWAUKEE/SULLIVAN WI
319 PM CDT THU MAY 3 2012

WIC021-027-032045-
/O.CON.KMKX.SV.W.0010.000000T0000Z-120503T2045Z/
COLUMBIA WI-DODGE WI-
319 PM CDT THU MAY 3 2012

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT FOR NORTHWESTERN
DODGE AND EAST CENTRAL COLUMBIA COUNTIES UNTIL 345 PM CDT...

AT 315 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
SEVERE THUNDERSTORM CAPABLE OF PRODUCING QUARTER SIZE HAIL.  THIS
STORM WAS LOCATED NEAR CAMBRIA...OR 14 MILES NORTHWEST OF COLUMBUS...
MOVING EAST AT 20 MPH.

LOCATIONS IMPACTED INCLUDE...
  RANDOLPH AND FRIESLAND.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

SEVERE THUNDERSTORMS PRODUCE DAMAGING WIND IN EXCESS OF 60 MILES PER
HOUR...DESTRUCTIVE HAIL...DEADLY LIGHTNING...AND VERY HEAVY RAIN. FOR
YOUR PROTECTION MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR OF YOUR
HOME OR BUSINESS. HEAVY RAINS FLOOD ROADS QUICKLY SO DO NOT DRIVE
INTO AREAS WHERE WATER COVERS THE ROAD.

&&

LAT...LON 4359 8921 4361 8895 4345 8895 4348 8919
TIME...MOT...LOC 2019Z 270DEG 18KT 4353 8911
WIND...HAIL <50MPH 1.00IN

$$

BROOKS
111 
WWUS53 KMKX 032028
SVSMKX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE MILWAUKEE/SULLIVAN WI
328 PM CDT THU MAY 3 2012

WIC021-027-032045-
/O.CON.KMKX.SV.W.0010.000000T0000Z-120503T2045Z/
COLUMBIA WI-DODGE WI-
328 PM CDT THU MAY 3 2012

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT FOR NORTHWESTERN
DODGE AND EAST CENTRAL COLUMBIA COUNTIES UNTIL 345 PM CDT...

AT 324 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
SEVERE THUNDERSTORM CAPABLE OF PRODUCING QUARTER SIZE HAIL.  THIS
STORM WAS LOCATED NEAR CAMBRIA...OR 13 MILES WEST OF BEAVER DAM...
MOVING EAST AT 20 MPH.

LOCATIONS IMPACTED INCLUDE...
  RANDOLPH.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

SEVERE THUNDERSTORMS PRODUCE DAMAGING WIND IN EXCESS OF 60 MILES PER
HOUR...DESTRUCTIVE HAIL...DEADLY LIGHTNING...AND VERY HEAVY RAIN. FOR
YOUR PROTECTION MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR OF YOUR
HOME OR BUSINESS. HEAVY RAINS FLOOD ROADS QUICKLY SO DO NOT DRIVE
INTO AREAS WHERE WATER COVERS THE ROAD.

&&

LAT...LON 4359 8921 4361 8895 4345 8895 4348 8919
TIME...MOT...LOC 2028Z 270DEG 18KT 4353 8905
WIND...HAIL <50MPH 1.00IN

$$

BROOKS
184 
WWUS53 KMKX 032039
SVSMKX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE MILWAUKEE/SULLIVAN WI
339 PM CDT THU MAY 3 2012

WIC021-027-032049-
/O.EXP.KMKX.SV.W.0010.000000T0000Z-120503T2045Z/
COLUMBIA WI-DODGE WI-
339 PM CDT THU MAY 3 2012

...THE SEVERE THUNDERSTORM WARNING FOR NORTHWESTERN DODGE AND EAST
CENTRAL COLUMBIA COUNTIES WILL EXPIRE AT 345 PM CDT...

THE STORM WHICH PROMPTED THE WARNING HAS MOVED OUT OF THE WARNED
AREA.

LAT...LON 4359 8921 4361 8895 4345 8895 4348 8919
TIME...MOT...LOC 2039Z 270DEG 18KT 4353 8897

$$

BROOKS

The office that day

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

IssuedProductOfficeCountiesLasted
May 3, 2:09 AM CDTAreal Flood AdvisoryMKXFond du Lac, Green Lake, Marquette3 hr
May 3, 8:34 AM CDTAreal Flood AdvisoryMKXGreen Lake, Marquette3 hr
May 3, 11:41 AM CDTSmall Craft AdvisoryMKX4 hr
May 3, 12:54 PM CDTSevere Thunderstorm WarningMKXDane, Jefferson51 min
May 3, 1:05 PM CDTSevere Thunderstorm WarningMKXDodge, Jefferson40 min
May 3, 1:29 PM CDTSevere Thunderstorm WarningMKXJefferson46 min
May 3, 1:31 PM CDTSpecial Marine WarningMKX29 min
May 3, 1:41 PM CDTSevere Thunderstorm WarningMKXDodge, Washington49 min
May 3, 1:53 PM CDTSpecial Marine WarningMKX37 min
May 3, 2:15 PM CDTSevere Thunderstorm WarningMKXMilwaukee, Ozaukee, Washington, Waukesha30 min
May 3, 2:23 PM CDTSpecial Marine WarningMKX12 min
May 3, 2:29 PM CDTSpecial Marine WarningMKX31 min
May 3, 2:54 PM CDTSpecial Marine WarningMKX66 min
May 3, 3:21 PM CDTSevere Thunderstorm WarningMKXDane39 min
May 3, 3:52 PM CDTSevere Thunderstorm WarningMKXDodge23 min
May 3, 3:52 PM CDTSevere Thunderstorm WarningMKXDane, Jefferson23 min
May 3, 4:10 PM CDTSevere Thunderstorm WarningMKXJefferson, Waukesha35 min
May 3, 4:17 PM CDTSpecial Marine WarningMKX43 min

Nearby

Severe Thunderstorm Warnings in Wisconsin, 2012Every severe thunderstorm warning in 2012

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.