Severe Thunderstorm Warning 78, NWS Green Bay, WI

Issued

Aug 11, 2021, 2:27 PM CDT (19:27 UTC)

Expired

Aug 11, 2021, 3:02 PM CDT

In force

35 min

Issued by

NWS Green Bay, WI

Area

Storm-based polygon

Tornado

Possible

Hail

1.0 in

Wind

60.0 mph

Counties Brown County, WI, Oconto County, WI

The Green Bay radar (KGRB), 20 km from the middle of the area, began a volume at 19:29 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.

011 
WUUS53 KGRB 111927
SVRGRB
WIC009-083-112015-
/O.NEW.KGRB.SV.W.0078.210811T1927Z-210811T2015Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Green Bay WI
227 PM CDT Wed Aug 11 2021

The National Weather Service in Green Bay has issued a

* Severe Thunderstorm Warning for...
  Northwestern Brown County in northeastern Wisconsin...
  South central Oconto County in northeastern Wisconsin...

* Until 315 PM CDT.

* At 227 PM CDT, a severe thunderstorm was located near Pulaski, or
  13 miles northwest of Green Bay, moving east at 20 mph.

  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 remain over mainly rural areas of
  northwestern Brown and south central Oconto Counties, including the
  following locations... Sobieski, Suamico, Little Suamico, South
  Chase, Chase and Flintville.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A Tornado Watch remains in effect until 800 PM CDT for northeastern
Wisconsin.

For your protection move to an interior room on the lowest floor of a
building.

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

&&

LAT...LON 4464 8824 4472 8821 4476 8797 4461 8798
TIME...MOT...LOC 1927Z 285DEG 14KT 4466 8816 

TORNADO...POSSIBLE
HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...1.00 IN
WIND THREAT...RADAR INDICATED
MAX WIND GUST...60 MPH

$$

Cooley

444 
WWUS53 KGRB 111953
SVSGRB

Severe Weather Statement
National Weather Service Green Bay WI
253 PM CDT Wed Aug 11 2021

WIC009-083-112015-
/O.CON.KGRB.SV.W.0078.000000T0000Z-210811T2015Z/
Brown WI-Oconto WI-
253 PM CDT Wed Aug 11 2021

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 315 PM CDT
FOR NORTHWESTERN BROWN AND SOUTH CENTRAL OCONTO COUNTIES...

At 252 PM CDT, severe thunderstorms were located along a line
extending from 12 miles southwest of Oconto to 14 miles northwest of
Green Bay to near Pulaski, moving east at 35 mph.

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...
Pulaski, Suamico, Little Suamico, Chase, Flintville, Sobieski and
South Chase.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A Tornado Watch remains in effect until 800 PM CDT for northeastern
Wisconsin.

For your protection move to an interior room on the lowest floor of a
building.

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

&&

LAT...LON 4464 8824 4472 8821 4476 8797 4461 8798
TIME...MOT...LOC 1952Z 272DEG 40KT 4475 8802 4470 8812 4465 8821 

HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...1.00 IN
WIND THREAT...RADAR INDICATED
MAX WIND GUST...60 MPH

$$

Cooley

914 
WWUS53 KGRB 112002
SVSGRB

Severe Weather Statement
National Weather Service Green Bay WI
302 PM CDT Wed Aug 11 2021

WIC009-083-112012-
/O.CAN.KGRB.SV.W.0078.000000T0000Z-210811T2015Z/
Brown WI-Oconto WI-
302 PM CDT Wed Aug 11 2021

...THE SEVERE THUNDERSTORM WARNING FOR NORTHWESTERN BROWN AND SOUTH
CENTRAL OCONTO COUNTIES IS CANCELLED...
            
The storms which prompted the warning have weakened below severe
limits, and no longer pose an immediate threat to life or property.
Therefore, the warning has been cancelled.  However gusty winds and
heavy rain are still possible with these thunderstorms.

A Tornado Watch remains in effect until 800 PM CDT for northeastern
Wisconsin.

LAT...LON 4464 8824 4472 8821 4476 8797 4461 8798
TIME...MOT...LOC 2000Z 285DEG 14KT 4474 8798 4469 8808 4464 8817 

$$

Cooley

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

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.