Alert archive / Wisconsin / Severe Thunderstorm Warnings in 2012

Severe Thunderstorm Warning 56, NWS Green Bay, WI

July 2, 2012Outagamie County, Waupaca County, Wisconsin

NWS Green Bay, WI issued this severe thunderstorm warning at Jul 2, 2012, 5:29 PM CDT for Outagamie County, Waupaca County, Wisconsin. It was in force for 47 min. 3 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
Jul 2, 2012, 5:29 PM CDT (22:29 UTC)
Expired
Jul 2, 2012, 6:16 PM CDT
In force
47 min
Issued by
NWS Green Bay, WI
Area
Storm-based polygon
Hail
1.0 in
Wind
50.0 mph

Counties Outagamie County, WI, Waupaca County, WI

The radar

The Green Bay radar (KGRB), 50 km from the middle of the area, began a volume at 22:29 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
Jul 2, 5:45 PM CDTHAIL 1New London, WIUP TO QUARTER SIZE HAIL.
Jul 2, 5:53 PM CDTHAIL 0.25Hortonville, WI
Jul 2, 5:57 PM CDTHAIL 0.75Hortonville, WI

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, 10.5 hours before the alert went out and 51 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 2012-07-02Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCL10008507005003002001001 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 2012-07-02The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 29 square meters per square second.193958Sfc1 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
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
2236 m above ground
0-6 km bulk shear
26 kt
0-1 km storm-relative helicity
29 m²/s²
0-3 km storm-relative helicity
93 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.1

Open this sounding in Storm Lab

The text

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

199 
WUUS53 KGRB 022229
SVRGRB
WIC087-135-022330-
/O.NEW.KGRB.SV.W.0056.120702T2229Z-120702T2330Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE GREEN BAY WI
529 PM CDT MON JUL 2 2012

THE NATIONAL WEATHER SERVICE IN GREEN BAY HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  WESTERN OUTAGAMIE COUNTY IN NORTHEAST WISCONSIN...
  EASTERN WAUPACA COUNTY IN NORTHEAST WISCONSIN...

* UNTIL 630 PM CDT

* AT 525 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  LINE OF SEVERE THUNDERSTORMS CAPABLE OF PRODUCING QUARTER SIZE
  HAIL.  THESE STORMS WERE LOCATED ALONG A LINE EXTENDING FROM
  CLINTONVILLE TO NEW LONDON...AND MOVING SOUTHEAST AT 10 MPH.

* LOCATIONS IMPACTED INCLUDE...
  SUGAR BUSH...BEAR CREEK...HORTONVILLE...LEEMAN...STEPHENSVILLE...
  SHIOCTON AND GREENVILLE.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

THESE STORMS HAVE A HISTORY OF PRODUCING LARGE HAIL. SEEK SHELTER NOW
INSIDE A STURDY STRUCTURE AND STAY AWAY FROM WINDOWS.

TORRENTIAL RAINFALL IS ALSO OCCURRING WITH THESE STORMS...AND MAY
LEAD TO FLASH FLOODING. DO NOT DRIVE YOUR VEHICLE THROUGH FLOODED
ROADWAYS.

&&

LAT...LON 4430 8887 4463 8888 4459 8852 4427 8853
TIME...MOT...LOC 2229Z 307DEG 9KT 4455 8876 4438 8875
WIND...HAIL <50MPH 1.00IN

$$

TH
2 follow-up statements
606 
WWUS53 KGRB 022249
SVSGRB

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE GREEN BAY WI
549 PM CDT MON JUL 2 2012

WIC087-135-022330-
/O.CON.KGRB.SV.W.0056.000000T0000Z-120702T2330Z/
OUTAGAMIE WI-WAUPACA WI-
549 PM CDT MON JUL 2 2012

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT FOR EASTERN
WAUPACA AND WESTERN OUTAGAMIE COUNTIES UNTIL 630 PM CDT...

AT 547 PM CDT...LOCAL LAW ENFORCEMENT IN THE CITY OF NEW LONDON 
REPORTED A LINE OF SEVERE THUNDERSTORMS PRODUCING UP TO QUARTER SIZE 
HAIL. THESE STORMS WERE LOCATED ALONG A LINE EXTENDING FROM 6 MILES 
SOUTH OF CLINTONVILLE TO NEW LONDON...MOVING SOUTHEAST AT 10 MPH.

LOCATIONS IMPACTED INCLUDE...
  HORTONVILLE...LEEMAN...STEPHENSVILLE...SHIOCTON AND GREENVILLE.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

THIS STORM HAS A HISTORY OF PRODUCING LARGE HAIL. SEEK SHELTER NOW
INSIDE A STURDY STRUCTURE AND STAY AWAY FROM WINDOWS.

TORRENTIAL RAINFALL IS ALSO OCCURRING WITH THESE STORMS...AND MAY 
LEAD TO URBAN OR FLASH FLOODING. DO NOT DRIVE YOUR VEHICLE THROUGH 
FLOODED ROADWAYS.

&&

LAT...LON 4428 8858 4428 8862 4430 8885 4461 8884
      4459 8853 4459 8852 4427 8853 4427 8857
TIME...MOT...LOC 2248Z 307DEG 9KT 4452 8871 4435 8870
WIND...HAIL <50MPH 1.00IN

$$

TH
503 
WWUS53 KGRB 022316
SVSGRB

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE GREEN BAY WI
616 PM CDT MON JUL 2 2012

WIC087-135-022324-
/O.CAN.KGRB.SV.W.0056.000000T0000Z-120702T2330Z/
OUTAGAMIE WI-WAUPACA WI-
616 PM CDT MON JUL 2 2012

...THE SEVERE THUNDERSTORM WARNING FOR EASTERN WAUPACA IS CANCELED 
BUT HAS BEEN REISSUED FOR OUTAGAMIE COUNTY...

LAT...LON 4428 8858 4428 8862 4430 8885 4461 8884
      4459 8853 4459 8852 4427 8853 4427 8857
TIME...MOT...LOC 2314Z 307DEG 9KT 4448 8864 4431 8863

$$

TH

The office that day

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

IssuedProductOfficeCountiesLasted
Jul 2, 2:48 PM CDTHeat AdvisoryGRBBrown, Calumet, Kewaunee, Manitowoc, Marathon, Outagamie and 6 more48 hr
Jul 2, 4:44 PM CDTSevere Thunderstorm WarningGRBOutagamie, Shawano, Waupaca46 min
Jul 2, 6:03 PM CDTSevere Thunderstorm WarningGRBWinnebago57 min
Jul 2, 6:13 PM CDTSevere Thunderstorm WarningGRBOutagamie29 min
Jul 2, 6:33 PM CDTSevere Thunderstorm WarningGRBWinnebago42 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.