Alert archive / Wisconsin / Tornado Warnings in 2012
Tornado Warning 2, NWS Green Bay, WI
NWS Green Bay, WI issued this tornado warning at May 24, 2012, 7:03 PM CDT for Marathon County, Wisconsin. It was in force for 27 min. 1 report 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 24, 2012, 7:03 PM CDT (00:03 UTC)
- Expired
- May 24, 2012, 7:30 PM CDT
- In force
- 27 min
- Issued by
- NWS Green Bay, WI
- Area
- Storm-based polygon
County Marathon County, WI
The radar
The Green Bay radar (KGRB), 129 km from the middle of the area, began a volume at 00:05 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 24, 7:07 PM CDT | TORNADO | Rib Mountain, WI | CONFIRMED TORNADO BY LAW ENFORCEMENT. |
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 24, 2:22 PM CDT | Tornado Watch | SPC | 5 hr |
The nearest sounding before it
Green Bay/Straub, WI (KGRB), launched 00:00Z, 0.1 hours before the alert went out and 131 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
- 2474 m above ground
- 0-6 km bulk shear
- 42 kt
- 0-1 km storm-relative helicity
- 313 m²/s²
- 0-3 km storm-relative helicity
- 468 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
991
WFUS53 KGRB 250003
TORGRB
WIC073-250030-
/O.NEW.KGRB.TO.W.0002.120525T0003Z-120525T0030Z/
BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE GREEN BAY WI
703 PM CDT THU MAY 24 2012
THE NATIONAL WEATHER SERVICE IN GREEN BAY HAS ISSUED A
* TORNADO WARNING FOR...
EASTERN MARATHON COUNTY IN CENTRAL WISCONSIN...
* UNTIL 730 PM CDT
* AT 701 PM CDT...LOCAL LAW ENFORCEMENT REPORTED A TORNADO 6 MILES
WEST OF RIB MOUNTAIN...OR 9 MILES SOUTHWEST OF WAUSAU. DOPPLER
RADAR SHOWED THIS TORNADO MOVING NORTHEAST AT 50 MPH.
* THE TORNADO WILL AFFECT MAINLY RURAL AREAS OF EASTERN MARATHON
COUNTY...INCLUDING THE FOLLOWING LOCATIONS BROKAW...NUTTERVILLE...
SUNSET AND HOGARTY.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
TO REPEAT...A TORNADO IS ON THE GROUND. TAKE COVER NOW. MOVE TO AN
INTERIOR ROOM ON THE LOWEST FLOOR OF A STURDY BUILDING. AVOID
WINDOWS. IF IN A MOBILE HOME...A VEHICLE OR OUTDOORS...MOVE TO THE
CLOSEST SUBSTANTIAL SHELTER AND PROTECT YOURSELF FROM FLYING DEBRIS.
&&
LAT...LON 4512 8965 4512 8923 4498 8922 4479 8980
4494 8993
TIME...MOT...LOC 0003Z 238DEG 76KT 4492 8974
$$
TH3 follow-up statements
955
WWUS53 KGRB 250010
SVSGRB
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE GREEN BAY WI
710 PM CDT THU MAY 24 2012
WIC073-250030-
/O.CON.KGRB.TO.W.0002.000000T0000Z-120525T0030Z/
MARATHON WI-
710 PM CDT THU MAY 24 2012
...A TORNADO WARNING REMAINS IN EFFECT FOR EASTERN MARATHON COUNTY
UNTIL 730 PM CDT...
AT 705 PM CDT...LOCAL LAW ENFORCEMENT REPORTED A TORNADO HIGHWAY NN
NEAR RIB MOUNTAIN. THIS TORNADO WAS LOCATED NEAR RIB MOUNTAIN...OR
JUST NORTHWEST OF WAUSAU...MOVING NORTHEAST AT 50 MPH.
LOCATIONS IMPACTED INCLUDE...
NUTTERVILLE...SUNSET AND BROKAW.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
TO REPEAT...A TORNADO IS ON THE GROUND. TAKE COVER NOW. MOVE TO AN
INTERIOR ROOM ON THE LOWEST FLOOR OF A STURDY BUILDING. AVOID
WINDOWS. IF IN A MOBILE HOME...A VEHICLE OR OUTDOORS...MOVE TO THE
CLOSEST SUBSTANTIAL SHELTER AND PROTECT YOURSELF FROM FLYING DEBRIS.
&&
LAT...LON 4512 8965 4512 8923 4498 8922 4479 8980
4494 8993
TIME...MOT...LOC 0009Z 236DEG 71KT 4499 8962
$$
TH296
WWUS53 KGRB 250017
SVSGRB
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE GREEN BAY WI
717 PM CDT THU MAY 24 2012
WIC073-250030-
/O.CON.KGRB.TO.W.0002.000000T0000Z-120525T0030Z/
MARATHON WI-
717 PM CDT THU MAY 24 2012
...A TORNADO WARNING REMAINS IN EFFECT FOR EASTERN MARATHON COUNTY
UNTIL 730 PM CDT...
AT 714 PM CDT...LOCAL LAW ENFORCEMENT REPORTED A TORNADO. THIS
TORNADO WAS LOCATED 5 MILES NORTH OF WAUSAU...MOVING NORTHEAST AT 50
MPH.
LOCATIONS IMPACTED INCLUDE...
BROKAW.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
TO REPEAT...A TORNADO IS ON THE GROUND. TAKE COVER NOW. MOVE TO AN
INTERIOR ROOM ON THE LOWEST FLOOR OF A STURDY BUILDING. AVOID
WINDOWS. IF IN A MOBILE HOME...A VEHICLE OR OUTDOORS...MOVE TO THE
CLOSEST SUBSTANTIAL SHELTER AND PROTECT YOURSELF FROM FLYING DEBRIS.
&&
LAT...LON 4512 8965 4512 8923 4498 8922 4479 8980
4494 8993
TIME...MOT...LOC 0017Z 226DEG 50KT 4507 8958
$$
TH002
WWUS53 KGRB 250027
SVSGRB
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE GREEN BAY WI
727 PM CDT THU MAY 24 2012
WIC073-250035-
/O.EXP.KGRB.TO.W.0002.000000T0000Z-120525T0030Z/
MARATHON WI-
727 PM CDT THU MAY 24 2012
...THE TORNADO WARNING FOR EASTERN MARATHON COUNTY WILL EXPIRE AT 730
PM CDT...
THE STORM WHICH PROMPTED THE WARNING HAS MOVED INTO SOUTHEAST
LINCOLN COUNTY.
ADDITIONAL STRONG THUNDERSTORMS ARE STILL POSSIBLE AND A TORNADO
WATCH REMAINS IN EFFECT.
LAT...LON 4512 8965 4512 8923 4498 8922 4479 8980
4494 8993
TIME...MOT...LOC 0025Z 226DEG 50KT 4515 8947
$$
THThe office that day
Everything else NWS Green Bay, WI issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| May 24, 7:20 PM CDT | Tornado Warning | GRB | Langlade, Lincoln | 25 min |
| May 24, 7:32 PM CDT | Severe Thunderstorm Warning | GRB | Forest, Langlade, Oneida | 29 min |
| May 24, 7:49 PM CDT | Severe Thunderstorm Warning | GRB | Marathon, Portage, Shawano, Waupaca, Waushara, Wood | 41 min |
| May 24, 8:29 PM CDT | Severe Thunderstorm Warning | GRB | Langlade, Menominee, Oconto, Shawano, Waupaca | 35 min |
Nearby
Tornado Warnings in Wisconsin, 2012Every tornado warning in 2012Tornadoes in 2012
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.