Alert archive / Wisconsin / Severe Thunderstorm Warnings in 2021

Severe Thunderstorm Warning 34, NWS Green Bay, WI

June 24, 2021Portage County, Wood County, Wisconsin

NWS Green Bay, WI issued this severe thunderstorm warning at Jun 24, 2021, 5:52 PM CDT for Portage County, Wood County, Wisconsin. It was in force for 38 min. 6 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: Jun 24, 2021, 5:52 PM CDT (22:52 UTC)
Expired: Jun 24, 2021, 6:30 PM CDT
In force: 38 min
Issued by: NWS Green Bay, WI
Area: Storm-based polygon
Hail: 1.0 in
Wind: 60.0 mph

Counties Portage County, WI, Wood County, WI

The radar

The La Crosse radar (KARX), 123 km from the middle of the area, began a volume at 22:55 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
Jun 24, 6:10 PM CDT	HAIL 1	2 Ssw Vesper, WI	WIND GUSTS ESTIMATED OF 60-65 MPH
Jun 24, 6:10 PM CDT	HAIL 1	2 Ssw Vesper, WI	WIND GUSTS ESTIMATED OF 60-65 MPH.
Jun 24, 6:15 PM CDT	TSTM WND DMG	Rudolph, WI	TREES DOWN. TIME ESTIMATED.
Jun 24, 6:29 PM CDT	HAIL 0.88	Wisconsin Rapids, WI
Jun 24, 6:30 PM CDT	HAIL 1.75	1 Nnw Stevens Point, WI	REPORT FROM MPING: GOLF BALL (1.75 IN.).
Jun 24, 6:31 PM CDT	HAIL 1.75	Stevens Point, WI

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

The nearest sounding before it

Minneapolis, MN (KMPX), launched 12:00Z, 10.9 hours before the alert went out and 290 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: 1586 J/kg
Mixed-layer CIN: -257 J/kg
Mixed-layer LCL: 1372 m above ground
0-6 km bulk shear: 31 kt
0-1 km storm-relative helicity: 216 m²/s²
0-3 km storm-relative helicity: 126 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.1

Open this sounding in Storm Lab

The text

As transmitted.

678 
WUUS53 KGRB 242252
SVRGRB
WIC097-141-242330-
/O.NEW.KGRB.SV.W.0034.210624T2252Z-210624T2330Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Green Bay WI
552 PM CDT Thu Jun 24 2021

The National Weather Service in Green Bay has issued a

* Severe Thunderstorm Warning for...
  Central Wood County in central Wisconsin...
  Northwestern Portage County in central Wisconsin...

* Until 630 PM CDT.

* At 551 PM CDT, a severe thunderstorm was located 9 miles north of 
  Wisconsin Rapids, moving east at 25 mph. Another thunderstorm was 
  located northwest of Pittsville.

  HAZARD...60 mph wind gusts and quarter size hail.

  SOURCE...Radar indicated.

  IMPACT...Hail damage to vehicles is expected. Expect wind damage 
           to roofs, siding, and trees.

* This severe thunderstorm will be near...
  Wisconsin Rapids around 555 PM CDT.

Other locations in the path of this severe thunderstorm include
Stevens Point and Whiting.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Prepare immediately for large hail and damaging winds. People outside
should move immediately to shelter inside a strong building. Stay
away from windows.

Torrential rainfall is occurring with this storm, and may lead to
flash flooding. Do not drive your vehicle through flooded roadways.

&&

LAT...LON 4441 9027 4460 9028 4466 8949 4439 8950
TIME...MOT...LOC 2251Z 266DEG 23KT 4452 8988 

HAIL...1.00IN
WIND...60MPH
 
$$

Hykin

2 follow-up statements

156 
WWUS53 KGRB 242304
SVSGRB

Severe Weather Statement
National Weather Service Green Bay WI
604 PM CDT Thu Jun 24 2021

WIC097-141-242330-
/O.CON.KGRB.SV.W.0034.000000T0000Z-210624T2330Z/
Wood WI-Portage WI-
604 PM CDT Thu Jun 24 2021

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 630 PM CDT
FOR CENTRAL WOOD AND NORTHWESTERN PORTAGE COUNTIES...

At 603 PM CDT, a severe thunderstorm was located 9 miles north of 
Wisconsin Rapids, moving east at 25 mph. Another thunderstorm was 
located east-northeast of Pittsville.

HAZARD...60 mph wind gusts and quarter size hail.

SOURCE...Radar indicated.

IMPACT...Hail damage to vehicles is expected. Expect wind damage to 
         roofs, siding, and trees.

Locations impacted include...
Stevens Point, Wisconsin Rapids, Whiting, Pittsville, Plover, Biron,
Sherry, Vesper, Park Ridge and Rudolph.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Prepare immediately for large hail and damaging winds. People outside
should move to a shelter, inside a strong building and away from
windows.

Torrential rainfall is occurring with this storm, and may lead to
flash flooding. Do not drive your vehicle through flooded roadways.

&&

LAT...LON 4441 9017 4459 9016 4466 8949 4439 8950
TIME...MOT...LOC 2303Z 266DEG 23KT 4453 8977 

HAIL...1.00IN
WIND...60MPH
 
$$

Hykin

122 
WWUS53 KGRB 242319
SVSGRB

Severe Weather Statement
National Weather Service Green Bay WI
619 PM CDT Thu Jun 24 2021

WIC097-141-242330-
/O.CON.KGRB.SV.W.0034.000000T0000Z-210624T2330Z/
Wood WI-Portage WI-
619 PM CDT Thu Jun 24 2021

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 630 PM CDT
FOR NORTHEASTERN WOOD AND NORTHWESTERN PORTAGE COUNTIES...

At 618 PM CDT, a severe thunderstorm was located near Wisconsin
Rapids, moving east at 40 mph.

HAZARD...Ping pong ball size hail and 60 mph wind gusts.

SOURCE...Trained weather spotters.

IMPACT...People and animals outdoors will be injured. Expect hail 
         damage to roofs, siding, windows, and vehicles. Expect wind 
         damage to roofs, siding, and trees.

Locations impacted include...
Stevens Point, Wisconsin Rapids, Whiting, Plover, Biron, Sherry,
Vesper, Park Ridge, Junction City and Rudolph.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Prepare immediately for large hail and damaging winds. People outside
should move to a shelter, inside a strong building and away from
windows.

Torrential rainfall is occurring with this storm, and may lead to
flash flooding. Do not drive your vehicle through flooded roadways.

&&

LAT...LON 4441 8998 4458 8994 4466 8949 4439 8950
TIME...MOT...LOC 2318Z 276DEG 36KT 4447 8981 

HAIL...1.50IN
WIND...60MPH
 
$$

Hykin

The office that day

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

Issued	Product	Office	Counties	Lasted
Jun 24, 5:24 AM CDT	Special Weather Statement	GRB	Lincoln	51 min
Jun 24, 6:17 AM CDT	Special Weather Statement	GRB	Forest, Langlade, Marathon, Oneida	58 min
Jun 24, 6:56 AM CDT	Special Weather Statement	GRB	Portage	64 min
Jun 24, 7:27 AM CDT	Special Weather Statement	GRB	Brown, Kewaunee, Outagamie, Portage, Shawano, Waupaca and 1 more	63 min
Jun 24, 7:39 AM CDT	Severe Thunderstorm Warning	GRB	Calumet, Outagamie, Portage, Waupaca, Waushara, Winnebago and 1 more	41 min
Jun 24, 8:25 AM CDT	Special Weather Statement	GRB	Calumet, Manitowoc, Waushara, Winnebago	50 min
Jun 24, 1:16 PM CDT	Special Weather Statement	GRB	Door, Oconto	59 min
Jun 24, 3:11 PM CDT	Special Weather Statement	GRB	Kewaunee	49 min
Jun 24, 3:55 PM CDT	Special Weather Statement	GRB	Kewaunee	50 min
Jun 24, 4:29 PM CDT	Special Weather Statement	GRB	Marathon	61 min
Jun 24, 5:20 PM CDT	Special Weather Statement	GRB	Wood	55 min
Jun 24, 6:23 PM CDT	Severe Thunderstorm Warning	GRB	Portage, Wood	52 min

Nearby

Severe Thunderstorm Warnings in Wisconsin, 2021 Every severe thunderstorm warning in 2021

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.