Alert archive / Wisconsin / Severe Thunderstorm Warnings in 2012

Severe Thunderstorm Warning 21, NWS Green Bay, WI

May 26, 2012Marathon County, Wood County, Wisconsin

NWS Green Bay, WI issued this severe thunderstorm warning at May 26, 2012, 10:39 PM CDT for Marathon County, Wood County, Wisconsin. It was in force for 38 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: May 26, 2012, 10:39 PM CDT (03:39 UTC)
Expired: May 26, 2012, 11:17 PM CDT
In force: 38 min
Issued by: NWS Green Bay, WI
Area: Storm-based polygon
Hail: 1.0 in
Wind: 50.0 mph

Counties Marathon County, WI, Wood County, WI

The radar

The La Crosse radar (KARX), 133 km from the middle of the area, began a volume at 03:39 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

Time	Report	Where	Remark
May 26, 10:46 PM CDT	HAIL 0.88	5 Nne Marshfield, WI	NICKEL SIZE HAIL AT MCMILLAN.
May 26, 10:52 PM CDT	TSTM WND DMG	Marshfield, WI	POWER LINES DOWN
May 26, 10:55 PM CDT	HAIL 0.88	Auburndale, WI	ALSO ESTIMATED WINDS IN EXCESS OF 55 MPH. REPORT RELAYED VIA STORM SPOTTER.

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 00:00Z, 3.7 hours before the alert went out and 155 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: 783 m above ground
0-6 km bulk shear: 28 kt
0-1 km storm-relative helicity: 279 m²/s²
0-3 km storm-relative helicity: 360 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

Open this sounding in Storm Lab

The text

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

012 
WUUS53 KGRB 270339
SVRGRB
WIC073-141-270445-
/O.NEW.KGRB.SV.W.0021.120527T0339Z-120527T0445Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE GREEN BAY WI
1039 PM CDT SAT MAY 26 2012

THE NATIONAL WEATHER SERVICE IN GREEN BAY HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  SOUTHWESTERN MARATHON COUNTY IN CENTRAL WISCONSIN...
  NORTHERN WOOD COUNTY IN CENTRAL WISCONSIN...

* UNTIL 1145 PM CDT

* AT 1032 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM CAPABLE OF PRODUCING QUARTER SIZE HAIL.  THIS
  STORM WAS LOCATED NEAR MARSHFIELD...OR 28 MILES NORTHWEST OF
  WISCONSIN RAPIDS...AND MOVING EAST AT 30 MPH.

* LOCATIONS IMPACTED INCLUDE...
  MARSHFIELD...ROZELLVILLE...AUBURNDALE...BLENKER...SHERRY AND 
  MILLADORE.

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 4476 9029 4478 8982 4468 8982 4468 8985
      4453 8985 4459 9032
TIME...MOT...LOC 0338Z 275DEG 42KT 4469 9014
WIND...HAIL <50MPH 1.00IN

$$

TH

3 follow-up statements

872 
WWUS53 KGRB 270353
SVSGRB

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE GREEN BAY WI
1053 PM CDT SAT MAY 26 2012

WIC073-141-270445-
/O.CON.KGRB.SV.W.0021.000000T0000Z-120527T0445Z/
MARATHON WI-WOOD WI-
1053 PM CDT SAT MAY 26 2012

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT FOR NORTHERN WOOD
AND SOUTHWESTERN MARATHON COUNTIES UNTIL 1145 PM CDT...

AT 1047 PM 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 8 MILES
EAST OF MARSHFIELD...OR 21 MILES NORTH OF WISCONSIN RAPIDS...MOVING
EAST AT 50 MPH.

THE SEVERE THUNDERSTORM WILL AFFECT MAINLY RURAL AREAS OF NORTHERN
WOOD AND SOUTHWESTERN MARATHON COUNTIES.

LAT...LON 4476 9029 4478 8982 4468 8982 4468 8985
      4453 8985 4459 9032
TIME...MOT...LOC 0353Z 275DEG 42KT 4467 8989
WIND...HAIL 60MPH 1.00IN

$$

TH

664 
WWUS53 KGRB 270413
SVSGRB

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE GREEN BAY WI
1113 PM CDT SAT MAY 26 2012

WIC073-141-270445-
/O.CON.KGRB.SV.W.0021.000000T0000Z-120527T0445Z/
MARATHON WI-WOOD WI-
1113 PM CDT SAT MAY 26 2012

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT FOR NORTH CENTRAL
WOOD AND SOUTH CENTRAL MARATHON COUNTIES UNTIL 1145 PM CDT...

AT 1102 PM 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 9 MILES
SOUTH OF MOSINEE...OR 14 MILES NORTHWEST OF STEVENS POINT...MOVING
EAST AT 40 MPH.

LOCATIONS IMPACTED INCLUDE...RURAL AREAS OF NORTHEAST WOOD COUNTY.

LAT...LON 4478 8982 4469 8982 4468 8983 4468 8985
      4453 8985 4457 9000 4477 9001
TIME...MOT...LOC 0412Z 275DEG 42KT 4465 8958
WIND...HAIL 60MPH 1.00IN

$$

TH
--_@_WWA_SVRWX_STA_COUNTY.WWAPROD--!

896 
WWUS53 KGRB 270417
SVSGRB

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE GREEN BAY WI
1117 PM CDT SAT MAY 26 2012

WIC073-141-270426-
/O.CAN.KGRB.SV.W.0021.000000T0000Z-120527T0445Z/
MARATHON WI-WOOD WI-
1117 PM CDT SAT MAY 26 2012

...THE SEVERE THUNDERSTORM WARNING FOR NORTH CENTRAL WOOD AND SOUTH
CENTRAL MARATHON COUNTIES IS CANCELLED...

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

REMEMBER...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT FOR 
SOUTHEAST MARATHON COUNTY UNTIL MIDNIGHT. 

LAT...LON 4478 8982 4469 8982 4468 8983 4468 8985
      4453 8985 4457 9000 4477 9001
TIME...MOT...LOC 0416Z 275DEG 42KT 4465 8951

$$

TH

The office that day

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

Issued	Product	Office	Counties	Lasted
May 26, 11:01 PM CDT	Severe Thunderstorm Warning	GRB	Marathon, Portage	31 min
May 27, 1:38 AM CDT	Areal Flood Advisory	GRB	Florence, Forest, Langlade, Lincoln, Oneida, Vilas	4 hr
May 27, 8:42 AM CDT	Special Marine Warning	GRB		52 min
May 27, 3:32 PM CDT	Small Craft Advisory	GRB		26 hr

Nearby

Severe Thunderstorm Warnings in Wisconsin, 2012 Every 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.