Alert archive / Wisconsin / Severe Thunderstorm Warnings in 2012

Severe Thunderstorm Warning 2, NWS Green Bay, WI

May 3, 2012Portage County, Waushara County, Wisconsin

NWS Green Bay, WI issued this severe thunderstorm warning at May 3, 2012, 7:58 AM CDT for Portage County, Waushara County, Wisconsin. It was in force for 47 min. 1 report 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
May 3, 2012, 7:58 AM CDT (12:58 UTC)
Expired
May 3, 2012, 8:45 AM CDT
In force
47 min
Issued by
NWS Green Bay, WI
Area
Storm-based polygon
Hail
1.0 in
Wind
60.0 mph

Counties Portage County, WI, Waushara County, WI

The radar

The Green Bay radar (KGRB), 118 km from the middle of the area, began a volume at 12:59 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

TimeReportWhereRemark
May 3, 8:20 AM CDTHAIL 0.88Hancock, WISOUTH SIDE OF CITY.

Local storm reports filed while the alert was in force, from inside its polygon or its counties.

The nearest sounding before it

Green Bay/Straub, WI (KGRB), launched 12:00Z, 1.0 hours before the alert went out and 119 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°0°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.

938 
WUUS53 KGRB 031258
SVRGRB
WIC097-137-031345-
/O.NEW.KGRB.SV.W.0002.120503T1258Z-120503T1345Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE GREEN BAY WI
758 AM CDT THU MAY 3 2012

THE NATIONAL WEATHER SERVICE IN GREEN BAY HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  PORTAGE COUNTY IN CENTRAL WISCONSIN...
  WESTERN WAUSHARA COUNTY IN CENTRAL WISCONSIN...

* UNTIL 845 AM CDT

* AT 754 AM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM CAPABLE OF PRODUCING QUARTER SIZE HAIL...AND
  DAMAGING WINDS IN EXCESS OF 60 MPH.  THIS STORM WAS LOCATED 10
  MILES WEST OF PLAINFIELD...OR 15 MILES NORTHEAST OF FRIENDSHIP...
  AND MOVING NORTHEAST AT 45 MPH.

* THE SEVERE THUNDERSTORM WILL BE NEAR...
  PLAINFIELD AROUND 805 AM CDT.

OTHER LOCATIONS IMPACTED BY THIS SEVERE THUNDERSTORM INCLUDE
BANCROFT...ALMOND AND BLAINE.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

SEVERE THUNDERSTORMS PRODUCE DAMAGING WINDS...LARGE HAIL...AND DEADLY
LIGHTNING. FOR YOUR PROTECTION...MOVE TO AN INTERIOR ROOM ON THE
LOWEST FLOOR OF YOUR HOME OR BUSINESS.

&&

LAT...LON 4424 8961 4425 8973 4451 8972 4451 8975
      4453 8975 4467 8923 4399 8924 4398 8959
TIME...MOT...LOC 1257Z 240DEG 40KT 4418 8962
WIND...HAIL 60MPH 1.00IN

$$

ECKBERG
2 follow-up statements
224 
WWUS53 KGRB 031323
SVSGRB

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE GREEN BAY WI
823 AM CDT THU MAY 3 2012

WIC097-031332-
/O.CAN.KGRB.SV.W.0002.000000T0000Z-120503T1345Z/
PORTAGE WI-
823 AM CDT THU MAY 3 2012

...THE SEVERE THUNDERSTORM WARNING FOR PORTAGE COUNTY IS CANCELLED...

THE STORM WHICH PROMPTED THE WARNING HAS WEAKENED ACROSS THE WARNED AREA.
SCATTERED THUNDERSTORMS WILL CONTINUE TO MOVE ACROSS PORTAGE COUNTY
THROUGH 10 AM. SOME OF THE STRONGER STORMS WILL PRODUCE GUSTY WINDS
AND LOCALLY HEAVY RAINFALL THAT MAY PRODUCE URBAN STREET FLOODING.

LAT...LON 4398 8959 4418 8961 4424 8961 4425 8949
      4424 8924 4399 8924
TIME...MOT...LOC 1322Z 253DEG 35KT 4410 8941

$$

WIC137-031345-
/O.CON.KGRB.SV.W.0002.000000T0000Z-120503T1345Z/
WAUSHARA WI-
823 AM CDT THU MAY 3 2012

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT FOR WESTERN
WAUSHARA COUNTY UNTIL 845 AM CDT...

AT 818 AM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
SEVERE THUNDERSTORM CAPABLE OF PRODUCING QUARTER SIZE HAIL...AND
DAMAGING WINDS TO 60 MPH.  THIS STORM WAS LOCATED 9 MILES SOUTH
OF PLAINFIELD...OR 9 MILES WEST OF WAUTOMA...MOVING EAST AT 40 MPH.

THE SEVERE THUNDERSTORM WILL BE NEAR...
  WAUTOMA AROUND 830 AM CDT.

OTHER LOCATIONS IMPACTED BY THE SEVERE THUNDERSTORM INCLUDE WILD
ROSE.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

SEVERE THUNDERSTORMS PRODUCE DAMAGING WINDS...LARGE HAIL...AND DEADLY
LIGHTNING. FOR YOUR PROTECTION...MOVE TO AN INTERIOR ROOM ON THE
LOWEST FLOOR OF YOUR HOME OR BUSINESS.

&&

LAT...LON 4398 8959 4418 8961 4424 8961 4425 8949
      4424 8924 4399 8924
TIME...MOT...LOC 1322Z 253DEG 35KT 4410 8941
WIND...HAIL 60MPH 1.00IN

$$

ECKBERG
467 
WWUS53 KGRB 031345
SVSGRB

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE GREEN BAY WI
845 AM CDT THU MAY 3 2012

WIC137-031355-
/O.EXP.KGRB.SV.W.0002.000000T0000Z-120503T1345Z/
WAUSHARA WI-
845 AM CDT THU MAY 3 2012

...THE SEVERE THUNDERSTORM WARNING FOR WESTERN WAUSHARA COUNTY HAS
EXPIRED...

THE STORM WHICH PROMPTED THE WARNING HAS WEAKENED BELOW SEVERE
LIMITS...AND NO LONGER POSES AN IMMEDIATE THREAT TO LIFE OR PROPERTY.
HOWEVER GUSTY WINDS AND HEAVY RAIN ARE STILL POSSIBLE WITH THIS
THUNDERSTORM.

REMEMBER...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT FOR
EASTERN WAUSHARA COUNTY UNTIL 915 AM CDT. 

LAT...LON 4398 8959 4418 8961 4424 8961 4425 8949
      4424 8924 4399 8924
TIME...MOT...LOC 1345Z 253DEG 35KT 4417 8911

$$

ECKBERG

The office that day

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

IssuedProductOfficeCountiesLasted
May 2, 7:55 PM CDTMarine Dense Fog AdvisoryGRB8 hr
May 3, 1:48 AM CDTFlash Flood WarningGRBWinnebago3 hr
May 3, 2:13 AM CDTFlash Flood WarningGRBCalumet, Manitowoc6 hr
May 3, 4:57 AM CDTFlash Flood WarningGRBWinnebago3 hr
May 3, 5:58 AM CDTSevere Thunderstorm WarningGRBVilas34 min
May 3, 7:40 AM CDTAreal Flood WarningGRBCalumet, Winnebago4 hr
May 3, 8:08 AM CDTAreal Flood AdvisoryGRBPortage, Wood114 min
May 3, 8:37 AM CDTSevere Thunderstorm WarningGRBWaushara25 min
May 3, 10:12 AM CDTAreal Flood AdvisoryGRBBrown, Kewaunee, Manitowoc80 min
May 3, 10:36 AM CDTSpecial Marine WarningGRB71 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; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.