Alert archive / Wisconsin / Tornado Warnings in 2024

Tornado Warning 2, NWS Green Bay, WI

May 21, 2024Langlade County, Lincoln County, Marathon County, Wisconsin

NWS Green Bay, WI issued this tornado warning at May 21, 2024, 8:00 PM CDT for Langlade County, Lincoln County, Marathon County, Wisconsin. It was in force for 30 min. 8 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: May 21, 2024, 8:00 PM CDT (01:00 UTC)
Expired: May 21, 2024, 8:30 PM CDT
In force: 30 min
Issued by: NWS Green Bay, WI
Area: Storm-based polygon
Tornado: Radar indicated
Hail: 0.0 in

Counties Langlade County, WI, Lincoln County, WI, Marathon County, WI

The radar

The Green Bay radar (KGRB), 138 km from the middle of the area, began a volume at 01:01 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
May 21, 8:07 PM CDT	TSTM WND GST 60	Wausau Downtown Airport, WI
May 21, 8:07 PM CDT	TSTM WND GST 60	Wausau Downtown Airport, WI
May 21, 8:14 PM CDT	TSTM WND DMG	Merrill, WI	Multiple reports of trees and wires down across the Merrill area. Time based on radar.
May 21, 8:14 PM CDT	TSTM WND DMG	Merrill, WI	Multiple reports of trees and wires down across the Merrill area. Time based on radar.
May 21, 8:30 PM CDT	TSTM WND DMG	1 Se Harrison, WI	Trees and wires down near Harrison. Time based on radar.
May 21, 8:30 PM CDT	TSTM WND DMG	1 Se Harrison, WI	Trees and wires down near Harrison. Time based on radar.
May 21, 8:30 PM CDT	TSTM WND DMG	7 W Deerbrook, WI	Trees down in Township of Vilas.
May 21, 8:30 PM CDT	TSTM WND DMG	7 W Deerbrook, WI	Trees down in Township of Vilas.

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
May 21, 6:42 PM CDT	Tornado Watch	SPC	5 hr

The nearest sounding before it

Green Bay/Straub, WI (KGRB), launched 00:00Z, 1.0 hours before the alert went out and 140 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: 442 J/kg
Mixed-layer CIN: -98 J/kg
Mixed-layer LCL: 1016 m above ground
0-6 km bulk shear: 57 kt
0-1 km storm-relative helicity: 49 m²/s²
0-3 km storm-relative helicity: 149 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.1

Open this sounding in Storm Lab

The text

As transmitted.

243 
WFUS53 KGRB 220100
TORGRB
WIC067-069-073-220130-
/O.NEW.KGRB.TO.W.0002.240522T0100Z-240522T0130Z/

BULLETIN - EAS ACTIVATION REQUESTED
Tornado Warning
National Weather Service Green Bay WI
800 PM CDT Tue May 21 2024

The National Weather Service in Green Bay has issued a

* Tornado Warning for...
  Lincoln County in north central Wisconsin...
  Eastern Marathon County in central Wisconsin...
  Western Langlade County in north central Wisconsin...

* Until 830 PM CDT.

* At 800 PM CDT, severe thunderstorms capable of producing both
  tornadoes and extensive straight line wind damage were located
  along a line extending from 10 miles southeast of Rib Lake to 11
  miles west of Wausau to 6 miles southwest of Rib Mountain, moving
  northeast at 70 mph.

  HAZARD...Tornado.

  SOURCE...Radar indicated rotation.

  IMPACT...Flying debris will be dangerous to those caught without 
           shelter. Mobile homes will be damaged or destroyed. 
           Damage to roofs, windows, and vehicles will occur.  Tree 
           damage is likely.

* These dangerous storms will be near...
  Wausau, Weston, Merrill, and Rib Mountain around 805 PM CDT.
  New Wood Wildlife Area and Council Grounds State Park around 810 
  PM CDT.
  Dutch Corners and Birch Trails Girl Scout Camp around 815 PM CDT.

Other locations impacted by these tornadic storms include Ackley
Wildlife Area, Dudley, Kempster, Little Chicago, Ormsby, Hamburg,
Otis, Bavaria, Rib Falls, and Deerbrook.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

TAKE COVER NOW! Move to a basement or an interior room on the lowest
floor of a sturdy building. Avoid windows. If you are outdoors, in a
mobile home, or in a vehicle, move to the closest substantial shelter
and protect yourself from flying debris.

Heavy rainfall may hide this tornado. Do not wait to see or hear the
tornado. TAKE COVER NOW!

&&

LAT...LON 4512 9004 4531 9005 4556 8957 4556 8946
      4554 8943 4547 8942 4547 8932 4533 8910
      4507 8898 4503 8898 4503 8922 4495 8923
      4475 8984 4498 8995 4512 9017
TIME...MOT...LOC 0100Z 239DEG 59KT 4518 9012 4502 8986 4486 8978 

TORNADO...RADAR INDICATED
MAX HAIL SIZE...0.00 IN

$$

Kieckbusch

3 follow-up statements

394 
WWUS53 KGRB 220107
SVSGRB

Severe Weather Statement
National Weather Service Green Bay WI
807 PM CDT Tue May 21 2024

WIC067-069-073-220130-
/O.CON.KGRB.TO.W.0002.000000T0000Z-240522T0130Z/
Lincoln WI-Marathon WI-Langlade WI-
807 PM CDT Tue May 21 2024

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 830 PM CDT FOR
LINCOLN...NORTHEASTERN MARATHON AND WESTERN LANGLADE COUNTIES...

At 807 PM CDT, a severe squall line capable of producing both
tornadoes and extensive straight line wind damage was located along a
line extending from 7 miles southwest of New Wood Wildlife Area to 7
miles south of Council Grounds State Park to near Rib Mountain,
moving northeast at 60 mph.

HAZARD...Tornado.

SOURCE...Radar indicated rotation.

IMPACT...Flying debris will be dangerous to those caught without 
         shelter. Mobile homes will be damaged or destroyed. Damage 
         to roofs, windows, and vehicles will occur.  Tree damage is 
         likely.

These dangerous storms will be near...
  Wausau, Weston, Merrill, Rib Mountain, New Wood Wildlife Area, and 
  Council Grounds State Park around 810 PM CDT.
  Birch Trails Girl Scout Camp around 815 PM CDT.
  Dutch Corners around 820 PM CDT.
  Gilbert around 825 PM CDT.

Other locations impacted by these tornadic storms include Ackley
Wildlife Area, Dudley, Kempster, Little Chicago, Ormsby, Hamburg,
Otis, Bavaria, Deerbrook, and Camp Phillips Scout Camp.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Motorists should not take shelter under highway overpasses. If you
cannot safely drive away from the tornado, as a last resort, either
park your vehicle and stay put, or abandon your vehicle and lie down
in a low lying area and protect yourself from flying debris.

Heavy rainfall may hide this tornado. Do not wait to see or hear the
tornado. TAKE COVER NOW!

&&

LAT...LON 4514 9004 4531 9005 4556 8957 4556 8946
      4554 8943 4547 8942 4547 8932 4533 8910
      4507 8898 4503 8898 4503 8922 4495 8923
      4479 8972 4495 8979 4507 8986
TIME...MOT...LOC 0107Z 229DEG 52KT 4522 9003 4509 8978 4486 8964 

TORNADO...RADAR INDICATED
MAX HAIL SIZE...0.00 IN

$$

Kieckbusch

638 
WWUS53 KGRB 220111 RRA
SVSGRB

Severe Weather Statement
National Weather Service Green Bay WI
811 PM CDT Tue May 21 2024

WIC067-069-073-220130-
/O.CON.KGRB.TO.W.0002.000000T0000Z-240522T0130Z/
Lincoln WI-Marathon WI-Langlade WI-
811 PM CDT Tue May 21 2024

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 830 PM CDT FOR
LINCOLN...NORTHEASTERN MARATHON AND WESTERN LANGLADE COUNTIES...

At 810 PM CDT, a severe squall line capable of producing both
tornadoes and extensive straight line wind damage was located along a
line extending from near New Wood Wildlife Area to Merrill to near
Wausau, moving northeast at 70 mph.

HAZARD...Tornado.

SOURCE...Radar indicated rotation.

IMPACT...Flying debris will be dangerous to those caught without 
         shelter. Mobile homes will be damaged or destroyed. Damage 
         to roofs, windows, and vehicles will occur.  Tree damage is 
         likely.

These dangerous storms will be near...
  Merrill, Dutch Corners, and Birch Trails Girl Scout Camp around 
  815 PM CDT.
  Tomahawk and Gilbert around 820 PM CDT.
  Harrison and Parrish around 825 PM CDT.
  Veterans Memorial County Park around 835 PM CDT.

Other locations impacted by these tornadic storms include Ackley
Wildlife Area, Dudley, Kempster, Ormsby, Otis, Bavaria, Deerbrook,
Camp Phillips Scout Camp, Otter Lake Campground, and Hogarty.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Motorists should not take shelter under highway overpasses. If you
cannot safely drive away from the tornado, as a last resort, either
park your vehicle and stay put, or abandon your vehicle and lie down
in a low lying area and protect yourself from flying debris.

Heavy rainfall may hide this tornado. Do not wait to see or hear the
tornado. TAKE COVER NOW!

&&

LAT...LON 4521 8995 4531 9005 4556 8957 4556 8946
      4554 8943 4547 8942 4547 8932 4533 8910
      4507 8898 4503 8898 4503 8922 4495 8923
      4485 8957 4502 8968 4514 8980
TIME...MOT...LOC 0110Z 222DEG 62KT 4527 8993 4516 8971 4495 8960 

TORNADO...RADAR INDICATED
MAX HAIL SIZE...0.00 IN

$$

Kieckbusch

213 
WWUS53 KGRB 220118
SVSGRB

Severe Weather Statement
National Weather Service Green Bay WI
818 PM CDT Tue May 21 2024

WIC067-069-073-220130-
/O.CON.KGRB.TO.W.0002.000000T0000Z-240522T0130Z/
Lincoln WI-Marathon WI-Langlade WI-
818 PM CDT Tue May 21 2024

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 830 PM CDT FOR
LINCOLN...NORTHEASTERN MARATHON AND WESTERN LANGLADE COUNTIES...

At 817 PM CDT, a severe squall line capable of producing both
tornadoes and extensive straight line wind damage was located along a
line extending from near Birch Trails Girl Scout Camp to near Dutch
Corners to 8 miles east of Merrill to 10 miles northeast of Wausau,
moving northeast at 70 mph.

HAZARD...Tornado.

SOURCE...Radar indicated rotation.

IMPACT...Flying debris will be dangerous to those caught without 
         shelter. Mobile homes will be damaged or destroyed. Damage 
         to roofs, windows, and vehicles will occur.  Tree damage is 
         likely.

These dangerous storms will be near...
  Tomahawk and Gilbert around 825 PM CDT.
  Harrison and Parrish around 830 PM CDT.

Other locations impacted by these tornadic storms include Ackley
Wildlife Area, Dudley, Kempster, Ormsby, Otis, Bavaria, Deerbrook,
Otter Lake Campground, Hogarty, and Jeffris.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Motorists should not take shelter under highway overpasses. If you
cannot safely drive away from the tornado, as a last resort, either
park your vehicle and stay put, or abandon your vehicle and lie down
in a low lying area and protect yourself from flying debris.

Heavy rainfall may hide this tornado. Do not wait to see or hear the
tornado. TAKE COVER NOW!

&&

LAT...LON 4525 8990 4532 9004 4556 8957 4556 8946
      4554 8943 4547 8942 4547 8932 4533 8910
      4507 8898 4503 8898 4503 8922 4495 8923
      4489 8945 4488 8947 4507 8962 4517 8975
TIME...MOT...LOC 0117Z 220DEG 61KT 4535 8982 4525 8964 4518 8952 4506
8949

TORNADO...RADAR INDICATED
MAX HAIL SIZE...0.00 IN

$$

Kieckbusch

The office that day

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

Issued	Product	Office	Counties	Lasted
May 21, 7:19 PM CDT	Severe Thunderstorm Warning Considerable damage threat	GRB	Marathon, Wood	26 min
May 21, 7:41 PM CDT	Severe Thunderstorm Warning Considerable damage threat	GRB	Marathon, Portage, Wood	49 min
May 21, 7:42 PM CDT	Tornado Warning	GRB	Marathon	33 min
May 21, 8:03 PM CDT	Tornado Warning	GRB	Waushara	27 min
May 21, 8:18 PM CDT	Severe Thunderstorm Warning Considerable damage threat	GRB	Langlade, Marathon, Menominee, Outagamie, Portage, Shawano and 3 more	57 min
May 21, 8:24 PM CDT	Severe Thunderstorm Warning Considerable damage threat	GRB	Forest, Langlade, Lincoln, Oneida	51 min
May 21, 8:29 PM CDT	Tornado Warning	GRB	Forest, Langlade, Lincoln, Marathon, Menominee, Oconto and 2 more	46 min
May 21, 8:33 PM CDT	Tornado Warning	GRB	Winnebago	15 min
May 21, 8:41 PM CDT	Tornado Warning	GRB	Winnebago	9 min
May 21, 8:47 PM CDT	Severe Thunderstorm Warning Considerable damage threat	GRB	Brown, Calumet, Manitowoc, Outagamie, Waupaca, Winnebago	58 min
May 21, 8:48 PM CDT	Special Marine Warning	GRB		117 min
May 21, 8:54 PM CDT	Special Marine Warning	GRB		2 hr
May 21, 9:07 PM CDT	Severe Thunderstorm Warning Considerable damage threat	GRB	Langlade, Marinette, Menominee, Oconto, Shawano	53 min
May 21, 9:11 PM CDT	Areal Flood Advisory	GRB	Portage, Wood	3 hr
May 21, 9:11 PM CDT	Special Weather Statement	GRB	Florence, Forest	34 min
May 21, 9:15 PM CDT	Special Marine Warning	GRB		2 hr
May 21, 9:21 PM CDT	Severe Thunderstorm Warning	GRB	Brown, Calumet, Door, Kewaunee, Manitowoc	39 min
May 21, 9:44 PM CDT	Special Weather Statement	GRB	Brown, Calumet	46 min
May 21, 9:59 PM CDT	Severe Thunderstorm Warning	GRB	Door	46 min
May 21, 10:44 PM CDT	Special Weather Statement	GRB	Calumet, Outagamie, Winnebago	46 min
May 21, 11:12 PM CDT	Special Marine Warning	GRB		63 min
May 21, 11:25 PM CDT	Special Weather Statement	GRB	Kewaunee, Manitowoc	65 min
May 22, 5:46 AM CDT	River Flood Warning	GRB	Wood	23 hr
May 22, 9:42 AM CDT	Beach Hazards Statement	GRB	Door, Kewaunee, Manitowoc	6 hr
May 22, 5:10 PM CDT	Special Weather Statement	GRB	Shawano, Waupaca	50 min
May 22, 5:59 PM CDT	Special Weather Statement	GRB	Brown	46 min
May 22, 6:15 PM CDT	Special Weather Statement	GRB	Brown, Kewaunee	45 min
May 22, 6:19 PM CDT	Severe Thunderstorm Warning	GRB	Brown, Kewaunee	26 min
May 22, 6:37 PM CDT	Special Marine Warning	GRB		53 min
May 22, 6:41 PM CDT	Special Weather Statement	GRB	Kewaunee	34 min

Nearby

Tornado Warnings in Wisconsin, 2024 Every tornado warning in 2024 Tornadoes in 2024

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.