Alert archive / Wisconsin / Severe Thunderstorm Warnings in 2021
Severe Thunderstorm Warning 26, NWS Green Bay, WI
NWS Green Bay, WI issued this severe thunderstorm warning at Jun 13, 2021, 6:25 PM CDT for Florence County, Marinette County, Wisconsin. It was in force for 50 min. 3 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 13, 2021, 6:25 PM CDT (23:25 UTC)
- Expired
- Jun 13, 2021, 7:15 PM CDT
- In force
- 50 min
- Issued by
- NWS Green Bay, WI
- Area
- Storm-based polygon
- Hail
- 0.75 in
- Wind
- 60.0 mph
Counties Florence County, WI, Marinette County, WI
The radar
The Marquette radar (KMQT), 93 km from the middle of the area, began a volume at 23:28 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 13, 6:41 PM CDT | HAIL 0.75 | Florence, WI | DIME TO PENNY SIZE HAIL IN FLORENCE |
| Jun 13, 6:48 PM CDT | HAIL 0.25 | Spread Eagle, WI | |
| Jun 13, 7:11 PM CDT | TSTM WND DMG | 5 Ne Amberg, WI | TREE DOWN NEAR AMBERG |
Local storm reports filed while the alert was in force, from inside its polygon or its counties.
The nearest sounding before it
Green Bay/Straub, WI (KGRB), launched 12:00Z, 11.4 hours before the alert went out and 148 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
- 0 J/kg
- Mixed-layer CIN
- No buoyant parcel
- Mixed-layer LCL
- 2055 m above ground
- 0-6 km bulk shear
- 40 kt
- 0-1 km storm-relative helicity
- 20 m²/s²
- 0-3 km storm-relative helicity
- 87 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
889
WUUS53 KGRB 132325
SVRGRB
WIC037-075-140015-
/O.NEW.KGRB.SV.W.0026.210613T2325Z-210614T0015Z/
BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Green Bay WI
625 PM CDT Sun Jun 13 2021
The National Weather Service in Green Bay has issued a
* Severe Thunderstorm Warning for...
Florence County in northeastern Wisconsin...
North central Marinette County in northeastern Wisconsin...
* Until 715 PM CDT.
* At 622 PM CDT, severe thunderstorms were located along a line
extending from 7 miles west of Channing to near Crystal Falls to
near Wisconsin Slough Natural Area, moving southeast at 60 mph.
HAZARD...60 mph wind gusts and penny size hail.
SOURCE...Radar indicated.
IMPACT...Expect damage to roofs, siding, and trees.
* Severe thunderstorms will be near...
Florence around 635 PM CDT.
Fern around 640 PM CDT.
Kingsford and Homestead around 650 PM CDT.
Pembine around 705 PM CDT.
Other locations impacted by these severe thunderstorms include
Aurora, West Bass Lake Campground, Commonwealth, Lasalle Falls,
Beecher, Spread Eagle, Lost Lake Campground, Dunbar, Miscauno Island
and Kremlin.
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.
&&
LAT...LON 4599 8849 4599 8838 4596 8833 4592 8810
4587 8807 4581 8813 4578 8807 4575 8788
4568 8778 4566 8783 4560 8777 4556 8779
4556 8783 4552 8780 4550 8793 4593 8868
4601 8868 4598 8864 4602 8860 4602 8851
TIME...MOT...LOC 2322Z 305DEG 52KT 4617 8825 4605 8838 4601 8869
HAIL...0.75IN
WIND...60MPH
$$
RDM3 follow-up statements
059
WWUS53 KGRB 132342
SVSGRB
Severe Weather Statement
National Weather Service Green Bay WI
642 PM CDT Sun Jun 13 2021
WIC037-075-140015-
/O.CON.KGRB.SV.W.0026.000000T0000Z-210614T0015Z/
Florence WI-Marinette WI-
642 PM CDT Sun Jun 13 2021
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 715 PM CDT
FOR CENTRAL FLORENCE AND NORTH CENTRAL MARINETTE COUNTIES...
At 641 PM CDT, severe thunderstorms were located along a line
extending from 6 miles southeast of Channing to near Iron Mountain to
Fern, moving southeast at 60 mph.
HAZARD...60 mph wind gusts and penny size hail.
SOURCE...Radar indicated.
IMPACT...Expect damage to roofs, siding, and trees.
These severe storms will be near...
Kingsford around 655 PM CDT.
Pembine around 705 PM CDT.
Other locations impacted by these severe thunderstorms include
Aurora, West Bass Lake Campground, Commonwealth, Lasalle Falls,
Beecher, Spread Eagle, Lost Lake Campground, Miscauno Island, Kremlin
and Niagara.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Prepare immediately for large hail and damaging winds. People outside
should move to a shelter, inside a strong building and away from
windows.
&&
LAT...LON 4592 8810 4588 8810 4588 8808 4587 8808
4581 8813 4578 8807 4576 8791 4567 8780
4565 8784 4559 8778 4556 8779 4556 8783
4555 8782 4555 8784 4552 8782 4550 8791
4588 8858 4597 8834
TIME...MOT...LOC 2341Z 304DEG 52KT 4607 8800 4590 8806 4586 8840
HAIL...0.75IN
WIND...60MPH
$$
RDM730
WWUS53 KGRB 132353
SVSGRB
Severe Weather Statement
National Weather Service Green Bay WI
653 PM CDT Sun Jun 13 2021
WIC037-075-140015-
/O.CON.KGRB.SV.W.0026.000000T0000Z-210614T0015Z/
Florence WI-Marinette WI-
653 PM CDT Sun Jun 13 2021
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 715 PM CDT
FOR SOUTHEASTERN FLORENCE AND NORTH CENTRAL MARINETTE COUNTIES...
At 653 PM CDT, severe thunderstorms were located along a line
extending from near Foster City to near Norway to near Homestead,
moving southeast at 60 mph.
HAZARD...60 mph wind gusts and half inch hail.
SOURCE...Radar indicated.
IMPACT...Expect damage to roofs, siding, and trees.
These severe thunderstorms will remain over mainly rural areas of
southeastern Florence and north central Marinette Counties, including
the following locations... Aurora, Miscauno Island, Kremlin, Beecher,
Spread Eagle and Niagara.
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.
&&
LAT...LON 4589 8811 4588 8810 4588 8808 4587 8808
4581 8813 4578 8807 4576 8791 4567 8780
4565 8784 4559 8778 4556 8779 4556 8783
4555 8782 4555 8784 4552 8782 4550 8791
4576 8836 4583 8822
TIME...MOT...LOC 2353Z 306DEG 54KT 4591 8782 4574 8788 4570 8821
HAIL...0.75IN
WIND...60MPH
$$
RDM453
WWUS53 KGRB 140005
SVSGRB
Severe Weather Statement
National Weather Service Green Bay WI
705 PM CDT Sun Jun 13 2021
WIC037-140015-
/O.CAN.KGRB.SV.W.0026.000000T0000Z-210614T0015Z/
Florence WI-
705 PM CDT Sun Jun 13 2021
...THE SEVERE THUNDERSTORM WARNING FOR SOUTHEASTERN FLORENCE COUNTY
IS CANCELLED...
The storms which prompted the warning have moved out of the warned
area. Therefore, the warning has been cancelled.
LAT...LON 4564 8814 4576 8793 4575 8789 4567 8780
4565 8784 4559 8778 4556 8779 4556 8783
4555 8782 4555 8784 4552 8782 4550 8791
TIME...MOT...LOC 0005Z 305DEG 52KT 4582 8764 4565 8770 4561 8803
$$
WIC075-140015-
/O.CON.KGRB.SV.W.0026.000000T0000Z-210614T0015Z/
Marinette WI-
705 PM CDT Sun Jun 13 2021
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 715 PM CDT
FOR NORTH CENTRAL MARINETTE COUNTY...
At 705 PM CDT, severe thunderstorms were located along a line
extending from 9 miles southwest of La Branche to 6 miles southwest
of Hermansville to Pembine, moving southeast at 60 mph.
HAZARD...60 mph wind gusts and penny size hail.
SOURCE...Radar indicated.
IMPACT...Expect damage to roofs, siding, and trees.
Locations impacted include...
Pembine, Beecher, Miscauno Island and Kremlin.
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.
&&
LAT...LON 4564 8814 4576 8793 4575 8789 4567 8780
4565 8784 4559 8778 4556 8779 4556 8783
4555 8782 4555 8784 4552 8782 4550 8791
TIME...MOT...LOC 0005Z 305DEG 52KT 4582 8764 4565 8770 4561 8803
HAIL...0.75IN
WIND...60MPH
$$
RDMThe office that day
Everything else NWS Green Bay, WI issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 13, 4:22 AM CDT | Small Craft Advisory | GRB | 23 hr |
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; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.