Alert archive / Wisconsin / Tornado Warnings in 2011

Tornado Warning 22, NWS Green Bay, WI

May 22, 2011Portage County, Waupaca County, Wood County, Wisconsin

NWS Green Bay, WI issued this tornado warning at May 22, 2011, 6:18 PM CDT for Portage County, Waupaca County, Wood County, Wisconsin. It was in force for 42 min. 10 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 22, 2011, 6:18 PM CDT (23:18 UTC)
Expired
May 22, 2011, 7:00 PM CDT
In force
42 min
Issued by
NWS Green Bay, WI
Area
Storm-based polygon

Counties Portage County, WI, Waupaca County, WI, Wood County, WI

The radar

The Green Bay radar (KGRB), 115 km from the middle of the area, began a volume at 23:21 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 22, 6:27 PM CDTFUNNEL CLOUDBancroft, WI
May 22, 6:29 PM CDTTORNADO5 S Wisconsin Rapids, WISEVERAL REPORTS OF MAJOR DAMAGE. TORNADO WENT THROUGH GRAND RAPIDS. LOCATION ESTIMATED.
May 22, 6:30 PM CDTHAIL 1.75Kellner, WI
May 22, 6:30 PM CDTTORNADO3 S Plover, WIHWY 54 AND I-39. TORNADO ON THE GROUND.
May 22, 6:30 PM CDTTORNADO4 S Plover, WIBARN AND SILO DESTROYED NEAR 1049 COUNTY WEST RD. BARN DESTROYED NEAR 6487 ECKELS RD. BARN DESTROYED NEAR 169 STEWARD RD AND COUNTY RD BB.
May 22, 6:35 PM CDTHAIL 1.25Plover, WI
May 22, 6:35 PM CDTHAIL 1.5Arnott, WI
May 22, 6:35 PM CDTHAIL 2Plover, WI
May 22, 6:36 PM CDTHAIL 1Plover, WICOVERING THE GROUND.
May 22, 6:38 PM CDTTORNADO4 S Plover, WITORNADO ON THE GROUND

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

The watch it was issued in

The SPC watch in force over the same counties when this warning went out.

IssuedProductOfficeLasted
May 22, 2:04 PM CDTTornado WatchSPC9 hr

The nearest sounding before it

Green Bay/Straub, WI (KGRB), launched 12:00Z, 11.3 hours before the alert went out and 116 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 2011-05-22Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 351 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 2011-05-22The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -1 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
351 J/kg
Mixed-layer CIN
-121 J/kg
Mixed-layer LCL
1006 m above ground
0-6 km bulk shear
36 kt
0-1 km storm-relative helicity
-1 m²/s²
0-3 km storm-relative helicity
-1 m²/s²
Significant tornado parameter
0.0
Supercell composite
-0.4

Open this sounding in Storm Lab

The text

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

541 
WFUS53 KGRB 222318
TORGRB
WIC097-135-141-230000-
/O.NEW.KGRB.TO.W.0022.110522T2318Z-110523T0000Z/

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE GREEN BAY WI
618 PM CDT SUN MAY 22 2011

THE NATIONAL WEATHER SERVICE IN GREEN BAY HAS ISSUED A

* TORNADO WARNING FOR...
  SOUTHERN PORTAGE COUNTY IN CENTRAL WISCONSIN...
  WEST CENTRAL WAUPACA COUNTY IN NORTHEAST WISCONSIN...
  SOUTHEASTERN WOOD COUNTY IN CENTRAL WISCONSIN...

* UNTIL 700 PM CDT

* AT 611 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO. THIS DANGEROUS
  STORM WAS LOCATED 7 MILES NORTHEAST OF NEW ROME...OR 8 MILES
  SOUTHEAST OF WISCONSIN RAPIDS...AND MOVING EAST AT 50 MPH.

* AT 615 PM CDT...LAW ENFORCEMENT REPORTED STRUCTURAL DAMAGE AND A   
  BARN MISSING IN NEKOOSA.

* LOCATIONS IMPACTED INCLUDE...
  WAUPACA...AMHERST...BANCROFT...PLOVER...KEENE...ARNOTT...CUSTER AND
  BLAINE.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

TAKE COVER NOW. MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR OF A
STURDY BUILDING. AVOID WINDOWS. IF IN A MOBILE HOME...A VEHICLE OR
OUTDOORS...MOVE TO THE CLOSEST SUBSTANTIAL SHELTER AND PROTECT
YOURSELF FROM FLYING DEBRIS.

&&

LAT...LON 4439 8987 4458 8916 4434 8902 4424 8956
      4424 8982
TIME...MOT...LOC 2316Z 252DEG 41KT 4431 8970

$$

MPC
4 follow-up statements
128 
WWUS53 KGRB 222323
SVSGRB

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE GREEN BAY WI
623 PM CDT SUN MAY 22 2011

WIC097-135-141-230000-
/O.CON.KGRB.TO.W.0022.000000T0000Z-110523T0000Z/
WAUPACA WI-PORTAGE WI-WOOD WI-
623 PM CDT SUN MAY 22 2011

...A TORNADO WARNING REMAINS IN EFFECT FOR SOUTHEASTERN WOOD...
SOUTHERN PORTAGE AND WEST CENTRAL WAUPACA COUNTIES UNTIL 700 PM
CDT...

AT 615 PM CDT...LOCAL LAW ENFORCEMENT REPORTED A CONFIRMED TORNADO 
ON THE GROUND APPROXIMATELY 2 MILES SOUTH OF NEKOOSA.  THIS TORNADO 
WILL MOVE ACROSS INTERSTATE 39 BY 630 PM.  THIS TORNADO WAS LOCATED 
9 MILES SOUTHEAST OF WISCONSIN RAPIDS...MOVING EAST AT 45 MPH.  

THE TORNADO WILL BE NEAR...
  AMHERST AROUND 645 PM CDT.

OTHER LOCATIONS IMPACTED BY THE TORNADO INCLUDE BANCROFT...KEENE...
ARNOTT...BLAINE...AMHERST JUNCTION...SHERIDAN AND SCANDINAVIA.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

TO REPEAT...A TORNADO IS ON THE GROUND. TAKE COVER NOW. MOVE TO AN
INTERIOR ROOM ON THE LOWEST FLOOR OF A STURDY BUILDING. AVOID
WINDOWS. IF IN A MOBILE HOME...A VEHICLE OR OUTDOORS...MOVE TO THE
CLOSEST SUBSTANTIAL SHELTER AND PROTECT YOURSELF FROM FLYING DEBRIS.

&&

LAT...LON 4439 8987 4458 8916 4434 8902 4424 8956
      4424 8982
TIME...MOT...LOC 2320Z 252DEG 41KT 4432 8964

$$

MPC
219 
WWUS53 KGRB 222333
SVSGRB

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE GREEN BAY WI
633 PM CDT SUN MAY 22 2011

WIC141-222343-
/O.CAN.KGRB.TO.W.0022.000000T0000Z-110523T0000Z/
WOOD WI-
633 PM CDT SUN MAY 22 2011

...THE TORNADO WARNING FOR SOUTHEASTERN WOOD COUNTY IS CANCELLED...

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

LAT...LON 4429 8965 4442 8973 4458 8916 4441 8906
      4431 8950
TIME...MOT...LOC 2333Z 246DEG 48KT 4440 8946

$$

WIC097-135-230000-
/O.CON.KGRB.TO.W.0022.000000T0000Z-110523T0000Z/
WAUPACA WI-PORTAGE WI-
633 PM CDT SUN MAY 22 2011

...A TORNADO WARNING REMAINS IN EFFECT FOR SOUTHERN PORTAGE AND WEST
CENTRAL WAUPACA COUNTIES UNTIL 700 PM CDT...

AT 630 PM CDT...TRAINED WEATHER SPOTTERS REPORTED A TORNADO 
TOUCHDOWN 4 MILES SOUTH OF PLOVER.  THIS TORNADO WAS MOVING 
NORTHEAST AT 55 MPH.

THE TORNADO WILL BE NEAR...
  AMHERST AROUND 645 PM CDT.

OTHER LOCATIONS IMPACTED BY THE TORNADO INCLUDE CUSTER...
NELSONVILLE...AMHERST JUNCTION...PERU AND SCANDINAVIA.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

TO REPEAT...A TORNADO IS ON THE GROUND. TAKE COVER NOW. MOVE TO AN
INTERIOR ROOM ON THE LOWEST FLOOR OF A STURDY BUILDING. AVOID
WINDOWS. IF IN A MOBILE HOME...A VEHICLE OR OUTDOORS...MOVE TO THE
CLOSEST SUBSTANTIAL SHELTER AND PROTECT YOURSELF FROM FLYING DEBRIS.

&&

LAT...LON 4429 8965 4442 8973 4458 8916 4441 8906
      4431 8950
TIME...MOT...LOC 2333Z 246DEG 48KT 4440 8946

$$

MPC
949 
WWUS53 KGRB 222342
SVSGRB

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE GREEN BAY WI
642 PM CDT SUN MAY 22 2011

WIC097-135-230000-
/O.CON.KGRB.TO.W.0022.000000T0000Z-110523T0000Z/
WAUPACA WI-PORTAGE WI-
642 PM CDT SUN MAY 22 2011

...A TORNADO WARNING REMAINS IN EFFECT FOR EAST CENTRAL PORTAGE AND
WEST CENTRAL WAUPACA COUNTIES UNTIL 700 PM CDT...

AT 635 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR WAS TRACKING A
CONFIRMED TORNADO.  THIS TORNADO WAS LOCATED 8 MILES SOUTHEAST OF
WHITING...OR 10 MILES SOUTHEAST OF STEVENS POINT...MOVING EAST AT 50
MPH.

THIS TORNADO WILL BE NEAR...
  AMHERST AROUND 650 PM CDT.

OTHER LOCATIONS IMPACTED BY THIS TORNADO INCLUDE NELSONVILLE...
SHERIDAN AND SCANDINAVIA.

THIS A VERY DANGEROUS STORM WITH A HISTORY OF DAMAGE!

PRECAUTIONARY/PREPAREDNESS ACTIONS...

TAKE COVER NOW! MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR OF A 
STURDY BUILDING. AVOID WINDOWS. IF IN A MOBILE HOME...A VEHICLE OR 
OUTDOORS...MOVE TO THE CLOSEST SUBSTANTIAL SHELTER AND PROTECT 
YOURSELF FROM FLYING DEBRIS.

&&

LAT...LON 4447 8956 4458 8916 4441 8906 4432 8947
TIME...MOT...LOC 2341Z 248DEG 45KT 4441 8938

$$

EB
030 
WWUS53 KGRB 222358
SVSGRB

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE GREEN BAY WI
658 PM CDT SUN MAY 22 2011

WIC097-135-230007-
/O.EXP.KGRB.TO.W.0022.000000T0000Z-110523T0000Z/
WAUPACA WI-PORTAGE WI-
658 PM CDT SUN MAY 22 2011

...THE TORNADO WARNING FOR EAST CENTRAL PORTAGE AND WEST CENTRAL
WAUPACA COUNTIES WILL EXPIRE AT 700 PM CDT...

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 ARE STILL POSSIBLE WITH THIS THUNDERSTORM.

REMEMBER...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT FOR 
NORTHEAST PORTAGE...NORTHERN WAUPACA...AND SOUTHWEST SHAWANO UNTIL 
730 PM.

LAT...LON 4447 8956 4458 8916 4441 8906 4432 8947
TIME...MOT...LOC 2357Z 248DEG 45KT 4448 8912

$$

MPC

The office that day

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

IssuedProductOfficeCountiesLasted
May 22, 2:23 PM CDTSevere Thunderstorm WarningGRBMarathon, Portage, Wood52 min
May 22, 2:54 PM CDTSevere Thunderstorm WarningGRBWaushara51 min
May 22, 3:14 PM CDTSevere Thunderstorm WarningGRBPortage, Waupaca46 min
May 22, 3:30 PM CDTSevere Thunderstorm WarningGRBWinnebago45 min
May 22, 3:45 PM CDTSevere Thunderstorm WarningGRBWaushara30 min
May 22, 3:48 PM CDTTornado WarningGRBOutagamie, Waupaca, Winnebago42 min
May 22, 3:53 PM CDTSevere Thunderstorm WarningGRBPortage, Waupaca37 min
May 22, 4:29 PM CDTSevere Thunderstorm WarningGRBOutagamie46 min
May 22, 4:47 PM CDTSevere Thunderstorm WarningGRBBrown43 min
May 22, 4:54 PM CDTSpecial Marine WarningGRB96 min
May 22, 5:00 PM CDTAreal Flood AdvisoryGRBBrown, Outagamie73 min
May 22, 5:02 PM CDTSevere Thunderstorm WarningGRBBrown, Calumet, Outagamie, Winnebago32 min
May 22, 5:14 PM CDTSevere Thunderstorm WarningGRBOutagamie17 min
May 22, 5:29 PM CDTSevere Thunderstorm WarningGRBBrown, Door, Kewaunee61 min
May 22, 5:32 PM CDTSevere Thunderstorm WarningGRBWood43 min
May 22, 5:45 PM CDTTornado WarningGRBPortage, Wood45 min
May 22, 5:51 PM CDTSpecial Marine WarningGRB84 min
May 22, 6:00 PM CDTSevere Thunderstorm WarningGRBDoor46 min
May 22, 6:35 PM CDTTornado WarningGRBOneida, Vilas55 min
May 22, 6:56 PM CDTSevere Thunderstorm WarningGRBPortage, Shawano, Waupaca34 min

Nearby

Tornado Warnings in Wisconsin, 2011Every tornado warning in 2011Tornadoes in 2011

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.