Alert archive / Wisconsin / Severe Thunderstorm Warnings in 2012

Severe Thunderstorm Warning 22, NWS Green Bay, WI

May 26, 2012Marathon County, Portage County, Wisconsin

NWS Green Bay, WI issued this severe thunderstorm warning at May 26, 2012, 11:01 PM CDT for Marathon County, Portage County, Wisconsin. It was in force for 31 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 26, 2012, 11:01 PM CDT (04:01 UTC)
Expired: May 26, 2012, 11:32 PM CDT
In force: 31 min
Issued by: NWS Green Bay, WI
Area: Storm-based polygon
Hail: 1.0 in
Wind: 60.0 mph

Counties Marathon County, WI, Portage County, WI

The radar

The Green Bay radar (KGRB), 132 km from the middle of the area, began a volume at 04:02 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 00:00Z, 4.0 hours before the alert went out and 133 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.

379 
WUUS53 KGRB 270401
SVRGRB
WIC073-097-270500-
/O.NEW.KGRB.SV.W.0022.120527T0401Z-120527T0500Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE GREEN BAY WI
1101 PM CDT SAT MAY 26 2012

THE NATIONAL WEATHER SERVICE IN GREEN BAY HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  SOUTHERN MARATHON COUNTY IN CENTRAL WISCONSIN...
  NORTHERN PORTAGE COUNTY IN CENTRAL WISCONSIN...

* UNTIL MIDNIGHT CDT

* AT 1052 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 10
  MILES EAST OF MARSHFIELD...OR 22 MILES NORTH OF WISCONSIN RAPIDS...
  AND MOVING EAST AT 30 MPH.

* LOCATIONS IMPACTED INCLUDE...
  MOSINEE...BEVENT...HALDER...MOON...JUNCTION CITY...DANCY...KNOWLTON
  AND JORDAN.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

IF YOU ARE IN THE PATH OF THIS STORM...PREPARE IMMEDIATELY FOR LARGE
HAIL AND DAMAGING WINDS. MOVE TO AN INTERIOR ROOM OF YOUR HOME OR
BUSINESS. HEAVY RAINS CAN FLOOD ROADS QUICKLY SO DO NOT DRIVE INTO
AREAS WHERE MOVING WATER COVERS THE ROAD.

&&

LAT...LON 4481 9004 4486 8922 4454 8923 4457 8985
      4468 8985 4469 9005
TIME...MOT...LOC 0400Z 270DEG 27KT 4470 8989
WIND...HAIL 60MPH 1.00IN

$$

TH

5 follow-up statements

876 
WWUS53 KGRB 270414
SVSGRB

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE GREEN BAY WI
1114 PM CDT SAT MAY 26 2012

WIC073-097-270500-
/O.CON.KGRB.SV.W.0022.000000T0000Z-120527T0500Z/
MARATHON WI-PORTAGE WI-
1114 PM CDT SAT MAY 26 2012

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT FOR NORTHERN
PORTAGE AND SOUTHERN MARATHON COUNTIES UNTIL MIDNIGHT CDT...

AT 1107 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
SOUTHWEST OF MOSINEE...OR 18 MILES NORTHWEST OF STEVENS POINT...
MOVING EAST AT 30 MPH.

THE SEVERE THUNDERSTORM WILL BE NEAR...
  KNOWLTON AROUND 1120 PM CDT.
  BEVENT AROUND 1150 PM CDT.

OTHER LOCATIONS IMPACTED BY THE SEVERE THUNDERSTORM INCLUDE
KNOWLTON...DANCY...SHANTYTOWN...ROSHOLT...GALLOWAY AND ELDERON.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

IF YOU ARE IN THE PATH OF THIS STORM...PREPARE IMMEDIATELY FOR LARGE
HAIL AND DAMAGING WINDS. MOVE TO AN INTERIOR ROOM OF YOUR HOME OR
BUSINESS. HEAVY RAINS CAN FLOOD ROADS QUICKLY SO DO NOT DRIVE INTO
AREAS WHERE MOVING WATER COVERS THE ROAD.

&&

LAT...LON 4481 9004 4486 8922 4454 8923 4457 8985
      4468 8985 4469 9005
TIME...MOT...LOC 0413Z 270DEG 27KT 4470 8975
WIND...HAIL 60MPH 1.00IN

$$

TH

917 
WWUS53 KGRB 270418
SVSGRB

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE GREEN BAY WI
1118 PM CDT SAT MAY 26 2012

WIC073-097-270500-
/O.CON.KGRB.SV.W.0022.000000T0000Z-120527T0500Z/
MARATHON WI-PORTAGE WI-
1118 PM CDT SAT MAY 26 2012

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT FOR NORTHERN
PORTAGE AND SOUTHERN MARATHON COUNTIES UNTIL MIDNIGHT CDT...

AT 1112 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 7 MILES
SOUTHWEST OF MOSINEE...OR 16 MILES NORTHWEST OF STEVENS POINT...
MOVING EAST AT 30 MPH.

THE SEVERE THUNDERSTORM WILL BE NEAR...
  BEVENT AROUND 1150 PM CDT.

OTHER LOCATIONS IMPACTED BY THE SEVERE THUNDERSTORM INCLUDE
SHANTYTOWN...ROSHOLT...GALLOWAY AND ELDERON.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

IF YOU ARE IN THE PATH OF THIS STORM...PREPARE IMMEDIATELY FOR LARGE
HAIL AND DAMAGING WINDS. MOVE TO AN INTERIOR ROOM OF YOUR HOME OR
BUSINESS. HEAVY RAINS CAN FLOOD ROADS QUICKLY SO DO NOT DRIVE INTO
AREAS WHERE MOVING WATER COVERS THE ROAD.

&&

LAT...LON 4481 9004 4486 8922 4454 8923 4457 8985
      4468 8985 4469 9005
TIME...MOT...LOC 0418Z 270DEG 27KT 4470 8970
WIND...HAIL 60MPH 1.00IN

$$

TH

611 
WWUS53 KGRB 270421
SVSGRB

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE GREEN BAY WI
1121 PM CDT SAT MAY 26 2012

WIC073-097-270500-
/O.CON.KGRB.SV.W.0022.000000T0000Z-120527T0500Z/
MARATHON WI-PORTAGE WI-
1121 PM CDT SAT MAY 26 2012

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT FOR NORTHERN
PORTAGE AND SOUTHERN MARATHON COUNTIES UNTIL MIDNIGHT CDT...

AT 1112 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 7 MILES
SOUTHWEST OF MOSINEE...OR 16 MILES NORTHWEST OF STEVENS POINT...
MOVING EAST AT 30 MPH.

THE SEVERE THUNDERSTORM WILL BE NEAR...
  BEVENT AROUND 1150 PM CDT.

OTHER LOCATIONS IMPACTED BY THE SEVERE THUNDERSTORM INCLUDE
SHANTYTOWN...GALLOWAY...ROSHOLT AND ELDERON.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

IF YOU ARE IN THE PATH OF THIS STORM...PREPARE IMMEDIATELY FOR LARGE
HAIL AND DAMAGING WINDS. MOVE TO AN INTERIOR ROOM OF YOUR HOME OR
BUSINESS. HEAVY RAINS CAN FLOOD ROADS QUICKLY SO DO NOT DRIVE INTO
AREAS WHERE MOVING WATER COVERS THE ROAD.

&&

LAT...LON 4481 9004 4486 8922 4454 8923 4457 8985
      4468 8985 4469 9005
TIME...MOT...LOC 0421Z 270DEG 27KT 4470 8967
WIND...HAIL 60MPH 1.00IN

$$

TH

836 
WWUS53 KGRB 270427
SVSGRB

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE GREEN BAY WI
1127 PM CDT SAT MAY 26 2012

WIC073-097-270500-
/O.CON.KGRB.SV.W.0022.000000T0000Z-120527T0500Z/
MARATHON WI-PORTAGE WI-
1127 PM CDT SAT MAY 26 2012

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT FOR NORTHERN
PORTAGE AND SOUTHERN MARATHON COUNTIES UNTIL MIDNIGHT CDT...

AT 1117 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 6 MILES
SOUTH OF MOSINEE...OR 15 MILES NORTHWEST OF STEVENS POINT...MOVING
EAST AT 30 MPH.

THE SEVERE THUNDERSTORM WILL BE NEAR...
  BEVENT AROUND 1150 PM CDT.

OTHER LOCATIONS IMPACTED BY THE SEVERE THUNDERSTORM INCLUDE
SHANTYTOWN...GALLOWAY...ROSHOLT AND ELDERON.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

IF YOU ARE IN THE PATH OF THIS STORM...PREPARE IMMEDIATELY FOR LARGE
HAIL AND DAMAGING WINDS. MOVE TO AN INTERIOR ROOM OF YOUR HOME OR
BUSINESS. HEAVY RAINS CAN FLOOD ROADS QUICKLY SO DO NOT DRIVE INTO
AREAS WHERE MOVING WATER COVERS THE ROAD.

&&

LAT...LON 4481 9004 4486 8922 4454 8923 4457 8985
      4468 8985 4469 9005
TIME...MOT...LOC 0427Z 270DEG 27KT 4470 8960
WIND...HAIL 60MPH 1.00IN

$$

TH

629 
WWUS53 KGRB 270432
SVSGRB

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE GREEN BAY WI
1132 PM CDT SAT MAY 26 2012

WIC073-097-270443-
/O.CAN.KGRB.SV.W.0022.000000T0000Z-120527T0500Z/
MARATHON WI-PORTAGE WI-
1132 PM CDT SAT MAY 26 2012

...THE SEVERE THUNDERSTORM WARNING FOR NORTHERN PORTAGE AND SOUTHERN
MARATHON COUNTIES IS CANCELLED...

THE STORM WHICH PROMPTED THE WARNING HAS WEAKENED BELOW SEVERE
LIMITS...AND NO LONGER POSES AN IMMEDIATE THREAT TO LIFE OR PROPERTY.

LAT...LON 4481 9004 4486 8922 4454 8923 4457 8985
      4468 8985 4469 9005
TIME...MOT...LOC 0433Z 270DEG 27KT 4470 8954

$$

TH

The office that day

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

Issued	Product	Office	Counties	Lasted
May 26, 10:39 PM CDT	Severe Thunderstorm Warning	GRB	Marathon, Wood	38 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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.