Alert archive / Wisconsin / Tornado Warnings in 2025

Tornado Warning 2, NWS Green Bay, WI

April 28, 20254 counties in Wisconsin

NWS Green Bay, WI issued this tornado warning at Apr 28, 2025, 10:06 PM CDT for 4 counties in Wisconsin. It was in force for 39 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: Apr 28, 2025, 10:06 PM CDT (03:06 UTC)
Expired: Apr 28, 2025, 10:45 PM CDT
In force: 39 min
Issued by: NWS Green Bay, WI
Area: Storm-based polygon
Tornado: Radar indicated
Hail: 0.75 in

Counties Langlade County, WI, Menominee County, WI, Oconto County, WI, Shawano County, WI

The radar

The Green Bay radar (KGRB), 84 km from the middle of the area, began a volume at 03:09 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 watch it was issued in

The SPC watch in force over the same counties when this warning went out.

Issued	Product	Office	Lasted
Apr 28, 7:34 PM CDT	Tornado Watch	SPC	5 hr

The nearest sounding before it

Green Bay/Straub, WI (KGRB), launched 00:00Z, 3.1 hours before the alert went out and 86 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: 178 J/kg
Mixed-layer CIN: -455 J/kg
Mixed-layer LCL: 1475 m above ground
0-6 km bulk shear: 69 kt
0-1 km storm-relative helicity: 468 m²/s²
0-3 km storm-relative helicity: 694 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.1

Open this sounding in Storm Lab

The text

As transmitted.

290 
WFUS53 KGRB 290306
TORGRB
WIC067-078-083-115-290345-
/O.NEW.KGRB.TO.W.0002.250429T0306Z-250429T0345Z/

BULLETIN - EAS ACTIVATION REQUESTED
Tornado Warning
National Weather Service Green Bay WI
1006 PM CDT Mon Apr 28 2025

The National Weather Service in Green Bay has issued a

* Tornado Warning for...
  Menominee County in northeastern Wisconsin...
  Northern Oconto County in northeastern Wisconsin...
  Southeastern Langlade County in north central Wisconsin...
  Western Shawano County in northeastern Wisconsin...

* Until 1045 PM CDT.

* At 1006 PM CDT, severe thunderstorms capable of producing both
  tornadoes and extensive straight line wind damage were located
  along a line extending from near Antigo to 11 miles west of Neopit
  to 8 miles northeast of Wittenberg, moving east at 50 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...
  Neopit around 1010 PM CDT.
  White Lake around 1020 PM CDT.
  Gardner Dam Scout Camp around 1025 PM CDT.
  Big Smokey Falls around 1030 PM CDT.
  Mountain around 1040 PM CDT.

Other locations impacted by these tornadic storms include Boot Lake
Campground, Shepley, Lake Noseum, Intersection Of Hwy 55 And County
M, Elmhurst, Breed, Mattoon, Polar, Phlox, and Upper Bass Lake.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

To report severe weather contact your nearest law enforcement agency.
They will send your report to the National Weather Service office in
Green Bay.

This line of thunderstorms is capable of producing tornadoes and
widespread significant wind damage. Do not wait to see or hear the
tornado. For your protection move to an interior room on the lowest
floor of a building.

&&

LAT...LON 4484 8915 4497 8914 4511 8921 4538 8852
      4518 8840 4497 8843
TIME...MOT...LOC 0306Z 248DEG 43KT 4508 8910 4500 8906 4494 8907 

TORNADO...RADAR INDICATED
MAX HAIL SIZE...<.75 IN

$$

Kieckbusch

4 follow-up statements

067 
WWUS53 KGRB 290317
SVSGRB

Severe Weather Statement
National Weather Service Green Bay WI
1017 PM CDT Mon Apr 28 2025

WIC115-290326-
/O.CAN.KGRB.TO.W.0002.000000T0000Z-250429T0345Z/
Shawano WI-
1017 PM CDT Mon Apr 28 2025

...THE TORNADO WARNING FOR WESTERN SHAWANO COUNTY IS CANCELLED...

The storms which prompted the warning have moved north of Shawano 
County. Therefore, the warning has been cancelled.

A Tornado Watch remains in effect until 200 AM CDT for north central
and northeastern Wisconsin.

&&

LAT...LON 4520 8899 4538 8852 4518 8840 4497 8843
      4494 8893 4494 8897
TIME...MOT...LOC 0316Z 248DEG 50KT 4513 8884 4506 8885 4499 8883 

$$

WIC067-078-083-290345-
/O.CON.KGRB.TO.W.0002.000000T0000Z-250429T0345Z/
Menominee WI-Oconto WI-Langlade WI-
1017 PM CDT Mon Apr 28 2025

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 1045 PM CDT FOR
MENOMINEE...NORTHERN OCONTO AND SOUTHEASTERN LANGLADE COUNTIES...

At 1016 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 White Lake to Neopit, moving east at 55 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...
  White Lake, Neopit, Gardner Dam Scout Camp, and Big Smokey Falls 
  around 1020 PM CDT.
  Mountain and South Branch around 1030 PM CDT.
  Bear Paw Scout Camp around 1035 PM CDT.

Other locations impacted by these tornadic storms include Boot Lake
Campground, Lake Noseum, Intersection Of Hwy 55 And County M, Breed,
Upper Bass Lake, Boulder Lake Campground, Hayes, Langlade, Zoar, and
St. Joseph Lake.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Tornadoes are extremely difficult to see and confirm at night. Do not
wait to see or hear the tornado. TAKE COVER NOW!

This line of thunderstorms is capable of producing tornadoes and
widespread significant wind damage. Do not wait to see or hear the
tornado. For your protection move to an interior room on the lowest
floor of a building.

&&

LAT...LON 4520 8899 4538 8852 4518 8840 4497 8843
      4494 8893 4494 8897
TIME...MOT...LOC 0316Z 248DEG 50KT 4513 8884 4506 8885 4499 8883 

TORNADO...RADAR INDICATED
MAX HAIL SIZE...<.75 IN

$$

Kieckbusch

613 
WWUS53 KGRB 290325
SVSGRB

Severe Weather Statement
National Weather Service Green Bay WI
1025 PM CDT Mon Apr 28 2025

WIC067-078-083-290345-
/O.CON.KGRB.TO.W.0002.000000T0000Z-250429T0345Z/
Menominee WI-Oconto WI-Langlade WI-
1025 PM CDT Mon Apr 28 2025

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 1045 PM CDT FOR
NORTHEASTERN MENOMINEE...NORTHERN OCONTO AND SOUTHEASTERN LANGLADE
COUNTIES...

At 1025 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 White Lake to Gardner Dam Scout Camp to near
Big Smokey Falls, moving east 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...
  Mountain and South Branch around 1030 PM CDT.
  Bear Paw Scout Camp around 1035 PM CDT.

Other locations impacted by these tornadic storms include
Intersection Of Hwy 55 And County M, Breed, Fredenberg Lake, Boulder
Lake Campground, Langlade, St. Joseph Lake, and Lakewood.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Tornadoes are extremely difficult to see and confirm at night. Do not
wait to see or hear the tornado. TAKE COVER NOW!

This line of thunderstorms is capable of producing tornadoes and
widespread significant wind damage. Do not wait to see or hear the
tornado. For your protection move to an interior room on the lowest
floor of a building.

&&

LAT...LON 4521 8886 4531 8848 4518 8840 4501 8843
      4499 8870 4507 8879
TIME...MOT...LOC 0325Z 256DEG 54KT 4517 8871 4512 8867 4505 8865 

TORNADO...RADAR INDICATED
MAX HAIL SIZE...<.75 IN

$$

Kieckbusch

319 
WWUS53 KGRB 290335
SVSGRB

Severe Weather Statement
National Weather Service Green Bay WI
1035 PM CDT Mon Apr 28 2025

WIC067-290344-
/O.CAN.KGRB.TO.W.0002.000000T0000Z-250429T0345Z/
Langlade WI-
1035 PM CDT Mon Apr 28 2025

...THE TORNADO WARNING FOR SOUTHEASTERN LANGLADE COUNTY IS
CANCELLED...

The storms which prompted the warning have moved out of the warned 
area. Therefore, the warning has been cancelled.

A Tornado Watch remains in effect until 200 AM CDT for north central
and northeastern Wisconsin.

&&

LAT...LON 4514 8857 4524 8868 4525 8868 4531 8848
      4518 8840 4501 8843 4500 8860
TIME...MOT...LOC 0334Z 258DEG 53KT 4520 8847 4515 8846 4505 8845 

$$

WIC078-083-290345-
/O.CON.KGRB.TO.W.0002.000000T0000Z-250429T0345Z/
Menominee WI-Oconto WI-
1035 PM CDT Mon Apr 28 2025

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 1045 PM CDT FOR
NORTHEASTERN MENOMINEE AND NORTHERN OCONTO COUNTIES...

At 1034 PM CDT, a severe squall line capable of producing both 
tornadoes and straight line wind damage was located along a line 
extending from Mountain to near Bear Paw Scout Camp to near South 
Branch, moving east 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...
  Bear Paw Scout Camp around 1040 PM CDT.

Other locations impacted by these tornadic storms include Fredenberg
Lake, Breed, St. Joseph Lake, and Lakewood.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Tornadoes are extremely difficult to see and confirm at night. Do not
wait to see or hear the tornado. TAKE COVER NOW!

This line of thunderstorms is capable of producing tornadoes and
widespread significant wind damage. Do not wait to see or hear the
tornado. For your protection move to an interior room on the lowest
floor of a building.

&&

LAT...LON 4514 8857 4524 8868 4525 8868 4531 8848
      4518 8840 4501 8843 4500 8860
TIME...MOT...LOC 0334Z 258DEG 53KT 4520 8847 4515 8846 4505 8845 

TORNADO...RADAR INDICATED
MAX HAIL SIZE...<.75 IN

$$

Kieckbusch

935 
WWUS53 KGRB 290343
SVSGRB

Severe Weather Statement
National Weather Service Green Bay WI
1043 PM CDT Mon Apr 28 2025

WIC078-083-290352-
/O.EXP.KGRB.TO.W.0002.000000T0000Z-250429T0345Z/
Menominee WI-Oconto WI-
1043 PM CDT Mon Apr 28 2025

...THE TORNADO WARNING FOR NORTHEASTERN MENOMINEE AND NORTHERN OCONTO
COUNTIES WILL EXPIRE AT 1045 PM CDT...

The storms which prompted the warning have moved out of the area.
Therefore, the warning will be allowed to expire.

A Tornado Watch remains in effect until 200 AM CDT for north central
and northeastern Wisconsin.

To report severe weather, contact your nearest law enforcement
agency. They will relay your report to the National Weather Service
Green Bay.

Remember, a Severe Thunderstorm Warning still remains in effect for
northern Oconto County.

&&

LAT...LON 4514 8857 4524 8868 4525 8868 4531 8848
      4518 8840 4501 8843 4500 8860
TIME...MOT...LOC 0342Z 248DEG 43KT 4523 8838 4518 8837 4508 8836 

$$

Kieckbusch

The office that day

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

Issued	Product	Office	Counties	Lasted
Apr 28, 7:11 PM CDT	Severe Thunderstorm Warning	GRB	Langlade, Marinette, Oconto	30 min
Apr 28, 7:17 PM CDT	Severe Thunderstorm Warning	GRB	Florence, Forest, Marinette	43 min
Apr 28, 7:18 PM CDT	Severe Thunderstorm Warning	GRB	Forest, Langlade, Marinette, Menominee, Oconto	42 min
Apr 28, 7:53 PM CDT	Special Weather Statement	GRB	Lincoln	52 min
Apr 28, 8:34 PM CDT	Special Weather Statement	GRB	Marathon	56 min
Apr 28, 8:37 PM CDT	Special Weather Statement	GRB	Marinette	23 min
Apr 28, 8:37 PM CDT	Special Weather Statement	GRB	Florence, Forest	38 min
Apr 28, 8:41 PM CDT	Severe Thunderstorm Warning	GRB	Marathon, Wood	64 min
Apr 28, 8:42 PM CDT	Special Weather Statement	GRB	Menominee	33 min
Apr 28, 8:49 PM CDT	Tornado Warning	GRB	Marathon, Wood	41 min
Apr 28, 9:08 PM CDT	Special Weather Statement	GRB	Marinette	37 min
Apr 28, 9:33 PM CDT	Severe Thunderstorm Warning	GRB	Langlade, Lincoln, Marathon, Portage, Shawano, Wood	40 min
Apr 28, 9:59 PM CDT	Severe Thunderstorm Warning	GRB	Forest, Langlade, Menominee, Oconto, Oneida, Shawano	46 min
Apr 28, 10:27 PM CDT	Severe Thunderstorm Warning	GRB	Florence, Forest, Marinette, Oconto	63 min
Apr 28, 10:54 PM CDT	Special Marine Warning	GRB		72 min
Apr 28, 11:14 PM CDT	Special Weather Statement	GRB	Door	46 min
Apr 28, 11:38 PM CDT	Special Marine Warning	GRB		52 min
Apr 28, 11:57 PM CDT	Special Marine Warning	GRB		59 min
Apr 29, 3:57 AM CDT	River Flood Warning	GRB	Marathon	50 hr

Nearby

Tornado Warnings in Wisconsin, 2025 Every tornado warning in 2025 Tornadoes in 2025

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.