Alert archive / Wisconsin / Severe Thunderstorm Warnings in 2012

Severe Thunderstorm Warning 3, NWS Green Bay, WI

May 3, 2012Waushara County, Wisconsin

NWS Green Bay, WI issued this severe thunderstorm warning at May 3, 2012, 8:37 AM CDT for Waushara County, Wisconsin. It was in force for 25 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, 8:37 AM CDT (13:37 UTC)
Expired
May 3, 2012, 9:02 AM CDT
In force
25 min
Issued by
NWS Green Bay, WI
Area
Storm-based polygon
Hail
1.0 in
Wind
50.0 mph

County Waushara County, WI

The radar

The Green Bay radar (KGRB), 84 km from the middle of the area, began a volume at 13:36 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, 1.6 hours before the alert went out and 84 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.

905 
WUUS53 KGRB 031337
SVRGRB
WIC137-031415-
/O.NEW.KGRB.SV.W.0003.120503T1337Z-120503T1415Z/

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

THE NATIONAL WEATHER SERVICE IN GREEN BAY HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  EASTERN WAUSHARA COUNTY IN CENTRAL WISCONSIN...

* UNTIL 915 AM CDT

* AT 832 AM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM CAPABLE OF PRODUCING QUARTER SIZE HAIL.  THIS
  STORM WAS LOCATED NEAR WAUTOMA...AND MOVING EAST AT 35 MPH.

* THE SEVERE THUNDERSTORM WILL BE NEAR...
  REDGRANITE AROUND 850 AM CDT.

OTHER LOCATIONS IMPACTED BY THIS SEVERE THUNDERSTORM INCLUDE
SAXEVILLE...PINE RIVER...POY SIPPI...AURORAVILLE...WEST BLOOMFIELD
AND BORTH.

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 8890 4399 8889 4398 8924 4423 8924
TIME...MOT...LOC 1336Z 264DEG 32KT 4411 8925
WIND...HAIL <50MPH 1.00IN

$$

ECKBERG
1 follow-up statement
434 
WWUS53 KGRB 031402
SVSGRB

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

WIC137-031411-
/O.CAN.KGRB.SV.W.0003.000000T0000Z-120503T1415Z/
WAUSHARA WI-
902 AM CDT THU MAY 3 2012

...THE SEVERE THUNDERSTORM WARNING FOR EASTERN WAUSHARA COUNTY IS
CANCELLED...

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 AS SCATTERED
THUNDERSTORMS WILL MOVE ACROSS WAUSHARA COUNTY THROUGH 10 AM. 

LAT...LON 4424 8890 4399 8889 4398 8924 4423 8924
TIME...MOT...LOC 1401Z 264DEG 32KT 4413 8894

$$

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, 7:58 AM CDTSevere Thunderstorm WarningGRBPortage, Waushara47 min
May 3, 8:08 AM CDTAreal Flood AdvisoryGRBPortage, Wood114 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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.