Alert archive / Wisconsin / Severe Thunderstorm Warnings in 2021
Severe Thunderstorm Warning 36, NWS Green Bay, WI
NWS Green Bay, WI issued this severe thunderstorm warning at Jun 24, 2021, 7:05 PM CDT for Portage County, Waupaca County, Waushara County, Wisconsin. It was in force for 55 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
- Jun 24, 2021, 7:05 PM CDT (00:05 UTC)
- Expired
- Jun 24, 2021, 8:00 PM CDT
- In force
- 55 min
- Issued by
- NWS Green Bay, WI
- Area
- Storm-based polygon
- Hail
- 1.0 in
- Wind
- 60.0 mph
Counties Portage County, WI, Waupaca County, WI, Waushara County, WI
The radar
The Green Bay radar (KGRB), 90 km from the middle of the area, began a volume at 00:06 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
Davenport, (KDVN), launched 00:00Z, 0.1 hours before the alert went out and 311 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.
- Mixed-layer CAPE
- 112 J/kg
- Mixed-layer CIN
- -93 J/kg
- Mixed-layer LCL
- 817 m above ground
- 0-6 km bulk shear
- 46 kt
- 0-1 km storm-relative helicity
- 151 m²/s²
- 0-3 km storm-relative helicity
- 230 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 1.4
The text
As transmitted.
186
WUUS53 KGRB 250005
SVRGRB
WIC097-135-137-250100-
/O.NEW.KGRB.SV.W.0036.210625T0005Z-210625T0100Z/
BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Green Bay WI
705 PM CDT Thu Jun 24 2021
The National Weather Service in Green Bay has issued a
* Severe Thunderstorm Warning for...
Southeastern Portage County in central Wisconsin...
Waushara County in central Wisconsin...
Waupaca County in northeastern Wisconsin...
* Until 800 PM CDT.
* At 703 PM CDT, severe thunderstorms were located along a line
extending from near Amherst to 9 miles northeast of Friendship,
moving east at 30 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.
* Severe thunderstorms will be near...
New London around 750 PM CDT.
Wautoma around 755 PM CDT.
Redgranite and Napowan Scout Camp around 800 PM CDT.
Other locations impacted by these severe thunderstorms include
Fitzgerald Corners, Coloma, Northport, Coddington, Hancock,
Scandinavia, Nelsonville, King, Iola and Symco.
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 these storms, and may lead to
flash flooding. Do not drive your vehicle through flooded roadways.
&&
LAT...LON 4424 8960 4425 8969 4456 8933 4455 8874
4425 8874 4424 8875 4424 8889 4416 8888
4398 8919 4398 8960
TIME...MOT...LOC 0003Z 274DEG 25KT 4447 8920 4409 8975
HAIL...1.00IN
WIND...60MPH
$$
Hykin3 follow-up statements
884
WWUS53 KGRB 250022
SVSGRB
Severe Weather Statement
National Weather Service Green Bay WI
722 PM CDT Thu Jun 24 2021
WIC097-135-137-250100-
/O.CON.KGRB.SV.W.0036.000000T0000Z-210625T0100Z/
Portage WI-Waushara WI-Waupaca WI-
722 PM CDT Thu Jun 24 2021
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 800 PM CDT
FOR SOUTHEASTERN PORTAGE...WAUSHARA AND WAUPACA COUNTIES...
At 721 PM CDT, severe thunderstorms were located along a line
extending from 7 miles north of Waupaca to 11 miles southwest of
Plainfield, moving east at 30 mph.
HAZARD...60 mph wind gusts and quarter size hail.
SOURCE...Radar indicated.
IMPACT...Hail damage to vehicles is expected. Expect wind damage to
roofs, siding, and trees.
These severe storms will be near...
New London around 750 PM CDT.
Wautoma around 755 PM CDT.
Napowan Scout Camp around 805 PM CDT.
Redgranite around 810 PM CDT.
Other locations impacted by these severe thunderstorms include
Fitzgerald Corners, Coloma, Northport, Hancock, Scandinavia, King,
Iola, Symco, Tustin and Manawa.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Prepare immediately for large hail and damaging winds. People outside
should move to a shelter, inside a strong building and away from
windows.
Torrential rainfall is occurring with these storms, and may lead to
flash flooding. Do not drive your vehicle through flooded roadways.
&&
LAT...LON 4424 8960 4437 8945 4456 8914 4455 8874
4425 8874 4424 8875 4424 8889 4416 8888
4398 8919 4398 8960
TIME...MOT...LOC 0021Z 274DEG 25KT 4446 8905 4407 8958
HAIL...1.00IN
WIND...60MPH
$$
Hykin454
WWUS53 KGRB 250037
SVSGRB
Severe Weather Statement
National Weather Service Green Bay WI
737 PM CDT Thu Jun 24 2021
WIC097-135-137-250100-
/O.CON.KGRB.SV.W.0036.000000T0000Z-210625T0100Z/
Portage WI-Waushara WI-Waupaca WI-
737 PM CDT Thu Jun 24 2021
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 800 PM CDT
FOR SOUTHEASTERN PORTAGE...WAUSHARA AND WAUPACA COUNTIES...
At 737 PM CDT, severe thunderstorms were located along a line
extending from 9 miles northwest of New London to 6 miles west of
Wautoma, moving east at 30 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.
These severe storms will be near...
New London around 755 PM CDT.
Redgranite around 810 PM CDT.
Other locations impacted by these severe thunderstorms include
Fitzgerald Corners, Coloma, Northport, Hancock, Scandinavia, King,
Iola, Symco, Tustin and Manawa.
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 these storms, and may lead to
flash flooding. Do not drive your vehicle through flooded roadways.
&&
LAT...LON 4414 8960 4420 8950 4453 8919 4456 8914
4455 8874 4425 8874 4424 8875 4424 8889
4416 8888 4398 8919 4398 8960
TIME...MOT...LOC 0037Z 275DEG 26KT 4445 8892 4404 8942
HAIL...1.00IN
WIND...60MPH
$$
Hykin070
WWUS53 KGRB 250056
SVSGRB
Severe Weather Statement
National Weather Service Green Bay WI
756 PM CDT Thu Jun 24 2021
WIC097-135-137-250103-
/O.EXP.KGRB.SV.W.0036.000000T0000Z-210625T0100Z/
Portage WI-Waushara WI-Waupaca WI-
756 PM CDT Thu Jun 24 2021
...THE SEVERE THUNDERSTORM WARNING FOR SOUTHEASTERN PORTAGE...
WAUSHARA AND WAUPACA COUNTIES WILL EXPIRE AT 800 PM CDT...
The storms which prompted the warning have weakened below severe
limits, and no longer pose an immediate threat to life or property.
Therefore, the warning will be allowed to expire. However, gusty
winds and heavy rain are still possible with these thunderstorms.
To report severe weather, contact your nearest law enforcement
agency. They will relay your report to the National Weather Service
Green Bay.
LAT...LON 4414 8960 4420 8950 4453 8919 4456 8914
4455 8874 4425 8874 4424 8875 4424 8889
4416 8888 4398 8919 4398 8960
TIME...MOT...LOC 0053Z 274DEG 25KT 4444 8877 4403 8927
$$
HykinThe office that day
Everything else NWS Green Bay, WI issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 24, 7:56 PM CDT | Special Weather Statement | GRB | Calumet, Winnebago | 64 min |
| Jun 24, 8:32 PM CDT | Special Weather Statement | GRB | Brown, Calumet, Kewaunee, Manitowoc, Outagamie, Winnebago | 58 min |
| Jun 24, 9:29 PM CDT | Special Weather Statement | GRB | Brown, Calumet, Kewaunee, Manitowoc, Outagamie | 46 min |
| Jun 24, 9:35 PM CDT | Special Marine Warning | GRB | 115 min | |
| Jun 25, 3:46 AM CDT | Marine Dense Fog Advisory | GRB | 56 hr | |
| Jun 25, 6:17 PM CDT | Special Weather Statement | GRB | Winnebago | 43 min |
Nearby
Severe Thunderstorm Warnings in Wisconsin, 2021Every 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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.