Alert archive / Wisconsin / Severe Thunderstorm Warnings in 2020
Severe Thunderstorm Warning 13, NWS Green Bay, WI
NWS Green Bay, WI issued this severe thunderstorm warning at Jun 2, 2020, 6:42 PM CDT for Portage County, Waupaca County, Waushara County, Wisconsin. It was in force for 63 min. 12 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 2, 2020, 6:42 PM CDT (23:42 UTC)
- Expired
- Jun 2, 2020, 7:45 PM CDT
- In force
- 63 min
- Issued by
- NWS Green Bay, WI
- Area
- Storm-based polygon
- Hail
- 1.25 in
- Wind
- 60.0 mph
Counties Portage County, WI, Waupaca County, WI, Waushara County, WI
The radar
The Green Bay radar (KGRB), 104 km from the middle of the area, began a volume at 23:43 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 2, 6:44 PM CDT | HAIL 0.25 | Junction City, WI | |
| Jun 2, 6:44 PM CDT | HAIL 0.88 | 1 E Plainfield, WI | |
| Jun 2, 6:49 PM CDT | TSTM WND DMG | Junction City, WI | 6 INCH DIAMETER TREE BRANCH SNAPPED AT MAIN AND NORTH AVENUE. REPORT VIA SOCIAL MEDIA. |
| Jun 2, 6:55 PM CDT | TSTM WND GST 65 | 1 S Almond, WI | RELAYED BY WSAW. |
| Jun 2, 7:01 PM CDT | TSTM WND GST 70 | Plover, WI | PLOW3 COOP STATION. |
| Jun 2, 7:01 PM CDT | NON-TSTM WND GST 70 | Plover, WI | PLOW3 COOP STATION. |
| Jun 2, 7:03 PM CDT | FUNNEL CLOUD | 5 Nw Wautoma, WI | REPORT VIA THE WAUSHARA COUNTY SHERIFF OFFICE. |
| Jun 2, 7:03 PM CDT | FUNNEL CLOUD | Wautoma, WI | REPORT VIA THE WAUSHARA COUNTY SHERIFF OFFICE. |
| Jun 2, 7:24 PM CDT | TSTM WND GST 46 | Wautoma, WI | |
| Jun 2, 7:28 PM CDT | HAIL 1.5 | Wautoma, WI | |
| Jun 2, 7:32 PM CDT | HAIL 1.25 | 1 Ssw Poy Sippi, WI | |
| Jun 2, 7:35 PM CDT | HAIL 1 | Wautoma, WI | REPORTED RELAYED VIA WSAW. |
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.
| Issued | Product | Office | Lasted |
|---|---|---|---|
| Jun 2, 5:48 PM CDT | Severe Thunderstorm Watch | SPC | 5 hr |
The nearest sounding before it
Green Bay/Straub, WI (KGRB), launched 12:00Z, 11.7 hours before the alert went out and 105 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
- 235 J/kg
- Mixed-layer CIN
- -406 J/kg
- Mixed-layer LCL
- 1392 m above ground
- 0-6 km bulk shear
- 38 kt
- 0-1 km storm-relative helicity
- 223 m²/s²
- 0-3 km storm-relative helicity
- 308 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
122
WUUS53 KGRB 022342
SVRGRB
WIC097-135-137-030045-
/O.NEW.KGRB.SV.W.0013.200602T2342Z-200603T0045Z/
BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Green Bay WI
642 PM CDT Tue Jun 2 2020
The National Weather Service in Green Bay has issued a
* Severe Thunderstorm Warning for...
Portage County in central Wisconsin...
Waushara County in central Wisconsin...
Waupaca County in northeastern Wisconsin...
* Until 745 PM CDT.
* At 642 PM CDT, a cluster of severe thunderstorms was located 9
miles northwest of Stevens Point, moving east at 30 mph.
HAZARD...60 mph wind gusts and half dollar 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, Waupaca, Wautoma, Redgranite, Whiting, Amherst,
Plainfield, Fremont, Napowan Scout Camp and Hartman Creek State
Park.
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 4424 8960 4425 8973 4451 8973 4451 8984
4468 8985 4468 8885 4424 8887 4424 8889
4399 8888 4398 8960
TIME...MOT...LOC 2342Z 274DEG 26KT 4458 8972
HAIL...1.25IN
WIND...60MPH
$$
MPC5 follow-up statements
656
WWUS53 KGRB 022353
SVSGRB
Severe Weather Statement
National Weather Service Green Bay WI
653 PM CDT Tue Jun 2 2020
WIC097-135-137-030045-
/O.CON.KGRB.SV.W.0013.000000T0000Z-200603T0045Z/
Portage WI-Waushara WI-Waupaca WI-
653 PM CDT Tue Jun 2 2020
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 745 PM CDT
FOR PORTAGE...WAUSHARA AND WAUPACA COUNTIES...
At 652 PM CDT, a severe thunderstorm was located near Stevens Point,
moving east at 30 mph.
HAZARD...60 mph wind gusts and half dollar size hail.
SOURCE...Radar indicated. At 640 pm, nickel size hail was reported
just east of Plainfield in northwest Waushara county.
IMPACT...Hail damage to vehicles is expected. Expect wind damage to
roofs, siding, and trees.
Locations impacted include...
Stevens Point, Waupaca, Wautoma, Redgranite, Whiting, Amherst,
Plainfield, Fremont, Napowan Scout Camp and Hartman Creek State Park.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Prepare immediately for large hail and damaging winds. People outside
should move to a shelter, inside a strong building and away from
windows.
Torrential rainfall is occurring with this storm, and may lead to
flash flooding. Do not drive your vehicle through flooded roadways.
&&
LAT...LON 4424 8960 4425 8973 4451 8973 4451 8984
4468 8985 4468 8885 4424 8887 4424 8889
4399 8888 4398 8960
TIME...MOT...LOC 2352Z 274DEG 26KT 4457 8961
HAIL...1.25IN
WIND...60MPH
$$
MPC496
WWUS53 KGRB 030009
SVSGRB
Severe Weather Statement
National Weather Service Green Bay WI
709 PM CDT Tue Jun 2 2020
WIC097-135-137-030045-
/O.CON.KGRB.SV.W.0013.000000T0000Z-200603T0045Z/
Portage WI-Waushara WI-Waupaca WI-
709 PM CDT Tue Jun 2 2020
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 745 PM CDT
FOR PORTAGE...WAUSHARA AND WAUPACA COUNTIES...
At 708 PM CDT, a severe thunderstorm was located near Stevens Point,
moving east at 30 mph.
HAZARD...70 mph wind gusts and quarter size hail.
SOURCE...Radar indicated. At 701 pm, a 70 mph wind gust was reported
in Plover with these storms. A funnel cloud was reported
northwest of Waushara at 703 pm.
IMPACT...Hail damage to vehicles is expected. Expect considerable
tree damage. Wind damage is also likely to mobile homes,
roofs, and outbuildings.
Locations impacted include...
Stevens Point, Waupaca, Wautoma, Redgranite, Whiting, Amherst,
Plainfield, Fremont, Napowan Scout Camp and Hartman Creek State Park.
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 4424 8960 4468 8961 4468 8885 4424 8887
4424 8889 4399 8888 4398 8960
TIME...MOT...LOC 0008Z 274DEG 26KT 4456 8945
HAIL...1.00IN
WIND...70MPH
$$
MPC276
WWUS53 KGRB 030021
SVSGRB
Severe Weather Statement
National Weather Service Green Bay WI
721 PM CDT Tue Jun 2 2020
WIC097-135-137-030045-
/O.CON.KGRB.SV.W.0013.000000T0000Z-200603T0045Z/
Portage WI-Waushara WI-Waupaca WI-
721 PM CDT Tue Jun 2 2020
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 745 PM CDT
FOR SOUTHEASTERN PORTAGE...WAUSHARA AND WAUPACA COUNTIES...
At 721 PM CDT, a severe thunderstorm was located near Wautoma, or 11
miles northwest of Wautoma, moving southeast at 45 mph.
HAZARD...70 mph wind gusts and quarter size hail.
SOURCE...Radar indicated.
IMPACT...Hail damage to vehicles is expected. Expect considerable
tree damage. Wind damage is also likely to mobile homes,
roofs, and outbuildings.
Locations impacted include...
Waupaca, Wautoma, Redgranite, Amherst, Plainfield, Fremont, Napowan
Scout Camp, Hartman Creek State Park, Chain O' Lakes-King and Silver
Lake.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Prepare immediately for large hail and damaging winds. People outside
should move to a shelter, inside a strong building and away from
windows.
Torrential rainfall is occurring with this storm, and may lead to
flash flooding. Do not drive your vehicle through flooded roadways.
&&
LAT...LON 4424 8960 4450 8941 4463 8924 4461 8886
4424 8887 4424 8889 4399 8888 4398 8960
TIME...MOT...LOC 0021Z 313DEG 38KT 4415 8946
TORNADO...POSSIBLE
HAIL...1.00IN
WIND...70MPH
$$
MPC665
WWUS53 KGRB 030034
SVSGRB
Severe Weather Statement
National Weather Service Green Bay WI
734 PM CDT Tue Jun 2 2020
WIC097-135-137-030045-
/O.CON.KGRB.SV.W.0013.000000T0000Z-200603T0045Z/
Portage WI-Waushara WI-Waupaca WI-
734 PM CDT Tue Jun 2 2020
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 745 PM CDT
FOR SOUTHEASTERN PORTAGE...WAUSHARA AND WESTERN WAUPACA COUNTIES...
At 734 PM CDT, a severe thunderstorm was located near Wautoma, moving
east at 30 mph.
HAZARD...70 mph wind gusts and quarter size hail.
SOURCE...Radar indicated.
IMPACT...Hail damage to vehicles is expected. Expect considerable
tree damage. Wind damage is also likely to mobile homes,
roofs, and outbuildings.
Locations impacted include...
Waupaca, Wautoma, Redgranite, Fremont, Chain O' Lakes-King, Napowan
Scout Camp, Hartman Creek State Park, Silver Lake, Weyauwega and Pine
River.
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 4417 8959 4420 8938 4459 8911 4461 8886
4424 8887 4424 8889 4399 8888 4398 8960
TIME...MOT...LOC 0034Z 274DEG 26KT 4414 8933
TORNADO...POSSIBLE
HAIL...1.00IN
WIND...70MPH
$$
MPC095
WWUS53 KGRB 030044
SVSGRB
Severe Weather Statement
National Weather Service Green Bay WI
744 PM CDT Tue Jun 2 2020
WIC097-135-137-030053-
/O.EXP.KGRB.SV.W.0013.000000T0000Z-200603T0045Z/
Portage WI-Waushara WI-Waupaca WI-
744 PM CDT Tue Jun 2 2020
...THE SEVERE THUNDERSTORM WARNING FOR SOUTHEASTERN PORTAGE...
WAUSHARA AND WESTERN WAUPACA COUNTIES WILL EXPIRE AT 745 PM CDT...
The storm which prompted the warning has moved out of the area.
Therefore, the warning will be allowed to expire. However, a Severe
Thunderstorm Warning remains in effect for southeast Waushara county
until 830 pm.
A Severe Thunderstorm Watch also remains in effect until midnight
CDT for central, northeastern and east central Wisconsin.
LAT...LON 4417 8959 4420 8938 4459 8911 4461 8886
4424 8887 4424 8889 4399 8888 4398 8960
TIME...MOT...LOC 0043Z 274DEG 26KT 4414 8926
$$
MPCThe office that day
Everything else NWS Green Bay, WI issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 2, 5:31 PM CDT | Severe Thunderstorm Warning | GRB | Wood | 44 min |
| Jun 2, 6:11 PM CDT | Severe Thunderstorm Warning | GRB | Wood | 49 min |
| Jun 2, 6:32 PM CDT | Areal Flood Advisory | GRB | Portage, Waushara, Wood | 3 hr |
| Jun 2, 6:54 PM CDT | Special Weather Statement | GRB | Calumet, Outagamie, Winnebago | 51 min |
Nearby
Severe Thunderstorm Warnings in Wisconsin, 2020Every severe thunderstorm warning in 2020
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.