Alert archive / Wisconsin / Tornado Warnings in 2011
Tornado Warning 20, NWS Green Bay, WI
NWS Green Bay, WI issued this tornado warning at May 22, 2011, 3:48 PM CDT for Outagamie County, Waupaca County, Winnebago County, Wisconsin. It was in force for 42 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 22, 2011, 3:48 PM CDT (20:48 UTC)
- Expired
- May 22, 2011, 4:30 PM CDT
- In force
- 42 min
- Issued by
- NWS Green Bay, WI
- Area
- Storm-based polygon
Counties Outagamie County, WI, Waupaca County, WI, Winnebago County, WI
The radar
The Green Bay radar (KGRB), 60 km from the middle of the area, began a volume at 20:48 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 22, 4:05 PM CDT | HAIL 4.25 | Winchester, WI | HWY 10 AND 45 |
| May 22, 4:06 PM CDT | HAIL 1 | Lake Poygan, WI | |
| May 22, 4:07 PM CDT | HAIL 1.25 | 1 N Dale, WI | |
| May 22, 4:07 PM CDT | HAIL 1.5 | 2 Nw Larsen, WI | |
| May 22, 4:12 PM CDT | HAIL 1.5 | 1 W Greenville, WI | |
| May 22, 4:26 PM CDT | HAIL 1.25 | Dale, WI | |
| May 22, 4:30 PM CDT | HAIL 1.75 | 2 Se New London, WI | |
| May 22, 4:33 PM CDT | HAIL 1.75 | 1 E New London, WI |
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 22, 2:04 PM CDT | Tornado Watch | SPC | 9 hr |
The nearest sounding before it
Green Bay/Straub, WI (KGRB), launched 12:00Z, 8.8 hours before the alert went out and 59 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
- 351 J/kg
- Mixed-layer CIN
- -121 J/kg
- Mixed-layer LCL
- 1006 m above ground
- 0-6 km bulk shear
- 36 kt
- 0-1 km storm-relative helicity
- -1 m²/s²
- 0-3 km storm-relative helicity
- -1 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- -0.4
The text
As transmitted, in the capitals the NWS used until 2016.
503
WFUS53 KGRB 222048
TORGRB
WIC087-135-139-222130-
/O.NEW.KGRB.TO.W.0020.110522T2048Z-110522T2130Z/
BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE GREEN BAY WI
348 PM CDT SUN MAY 22 2011
THE NATIONAL WEATHER SERVICE IN GREEN BAY HAS ISSUED A
* TORNADO WARNING FOR...
SOUTHWESTERN OUTAGAMIE COUNTY IN NORTHEAST WISCONSIN...
SOUTHEASTERN WAUPACA COUNTY IN NORTHEAST WISCONSIN...
NORTHWESTERN WINNEBAGO COUNTY IN EAST CENTRAL WISCONSIN...
* UNTIL 430 PM CDT
* AT 344 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO. THIS DANGEROUS
STORM WAS LOCATED 6 MILES SOUTHWEST OF LAKE POYGAN...OR 8 MILES
NORTH OF BERLIN...AND MOVING NORTHEAST AT 40 MPH.
* THIS DANGEROUS STORM WILL BE NEAR...
LAKE POYGAN AROUND 355 PM CDT.
FREMONT AROUND 400 PM CDT.
NEW LONDON AROUND 415 PM CDT.
OTHER LOCATIONS IMPACTED BY THIS DANGEROUS STORM INCLUDE ZITTAU...
READFIELD...DALE...MEDINA...HORTONVILLE AND STEPHENSVILLE.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
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 4424 8889 4425 8889 4444 8873 4430 8834
4398 8888
TIME...MOT...LOC 2048Z 216DEG 34KT 4412 8890
$$
EB4 follow-up statements
726 WWUS53 KGRB 222058 SVSGRB SEVERE WEATHER STATEMENT NATIONAL WEATHER SERVICE GREEN BAY WI 358 PM CDT SUN MAY 22 2011 WIC087-135-139-222130- /O.CON.KGRB.TO.W.0020.000000T0000Z-110522T2130Z/ OUTAGAMIE WI-WAUPACA WI-WINNEBAGO WI- 358 PM CDT SUN MAY 22 2011 ...A TORNADO WARNING REMAINS IN EFFECT FOR NORTHWESTERN WINNEBAGO... SOUTHEASTERN WAUPACA AND SOUTHWESTERN OUTAGAMIE COUNTIES UNTIL 430 PM CDT... AT 353 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO. THIS DANGEROUS STORM WAS LOCATED NEAR LAKE POYGAN...OR 14 MILES NORTH OF BERLIN... MOVING NORTHEAST AT 40 MPH. A ROTATING WALL CLOUD WAS REPORTED NEAR CNTY B AND HIGHWAY 116 BY A HAM RADIO SPOTTER AT 353 PM CDT. THIS DANGEROUS STORM WILL BE NEAR... WINCHESTER BY 405 PM CDT AND NEW LONDON AROUND 415 PM CDT. OTHER LOCATIONS IMPACTED BY THIS DANGEROUS STORM INCLUDE READFIELD... DALE...MEDINA...HORTONVILLE AND STEPHENSVILLE. LARGE DESTRUCTIVE HAIL TO SOFTBALL SIZE IS ALSO POSSIBLE WITH THIS STORM. PRECAUTIONARY/PREPAREDNESS ACTIONS... TAKE COVER NOW. MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR OF A STURDY BUILDING. AVOID WINDOWS. IF IN A MOBILE HOME...A VEHICLE OR OUTDOORS...MOVE TO THE CLOSEST SUBSTANTIAL SHELTER AND PROTECT YOURSELF FROM FLYING DEBRIS. && LAT...LON 4404 8888 4425 8889 4444 8873 4430 8834 TIME...MOT...LOC 2056Z 216DEG 34KT 4418 8884 $$ EB
700 WWUS53 KGRB 222108 SVSGRB SEVERE WEATHER STATEMENT NATIONAL WEATHER SERVICE GREEN BAY WI 408 PM CDT SUN MAY 22 2011 WIC087-135-139-222130- /O.CON.KGRB.TO.W.0020.000000T0000Z-110522T2130Z/ OUTAGAMIE WI-WAUPACA WI-WINNEBAGO WI- 408 PM CDT SUN MAY 22 2011 ...A TORNADO WARNING REMAINS IN EFFECT FOR NORTHWESTERN WINNEBAGO... SOUTHEASTERN WAUPACA AND SOUTHWESTERN OUTAGAMIE COUNTIES UNTIL 430 PM CDT... AT 402 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO. THIS DANGEROUS STORM WAS LOCATED 8 MILES NORTHEAST OF LAKE POYGAN...OR 16 MILES NORTHWEST OF OSHKOSH...MOVING NORTHEAST AT 40 MPH. THIS DANGEROUS STORM WILL AFFECT MAINLY RURAL AREAS OF NORTHWESTERN WINNEBAGO...SOUTHEASTERN WAUPACA AND SOUTHWESTERN OUTAGAMIE COUNTIES...INCLUDING THE FOLLOWING LOCATIONS MEDINA...DALE... HORTONVILLE...GREENVILLE AND STEPHENSVILLE. A ROTATING WALL CLOUD WAS REPORTED NEAR CNTY B AND HIGHWAY 116 BY HAM RADIO SPOTTER. SOFTBALL SIZE HAIL WAS REPORTED NEAR HIGHWAY 10 AND US45 NEAR WINCHESTER. PING BALL SIZE HAIL WAS REPORTED WEST OF LARSEN BY A STORM SPOTTER AT 405 PM CDT. PRECAUTIONARY/PREPAREDNESS ACTIONS... 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 4411 8873 4425 8889 4444 8873 4430 8834 TIME...MOT...LOC 2105Z 216DEG 34KT 4423 8869 $$ EB
310
WWUS53 KGRB 222123
SVSGRB
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE GREEN BAY WI
423 PM CDT SUN MAY 22 2011
WIC135-222131-
/O.CAN.KGRB.TO.W.0020.000000T0000Z-110522T2130Z/
WAUPACA WI-
423 PM CDT SUN MAY 22 2011
...THE TORNADO WARNING FOR SOUTHEASTERN WAUPACA COUNTY IS
CANCELLED...
THE STORM WHICH PROMPTED THE WARNING HAS MOVED OUT OF SOUTHEAST
WAUPACA COUNTY.
LAT...LON 4422 8883 4425 8880 4425 8874 4431 8874
4441 8864 4430 8834 4417 8861
TIME...MOT...LOC 2121Z 222DEG 32KT 4430 8853
$$
WIC087-139-222130-
/O.CON.KGRB.TO.W.0020.000000T0000Z-110522T2130Z/
OUTAGAMIE WI-WINNEBAGO WI-
423 PM CDT SUN MAY 22 2011
...A TORNADO WARNING REMAINS IN EFFECT FOR NORTH CENTRAL WINNEBAGO
AND SOUTHWESTERN OUTAGAMIE COUNTIES UNTIL 430 PM CDT...
AT 416 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO. THIS DANGEROUS
STORM WAS LOCATED 9 MILES WEST OF APPLETON...MOVING NORTHEAST AT 35
MPH.
THIS DANGEROUS STORM WILL AFFECT GREENVILLE AND MACKVILLE.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
MOTORISTS SHOULD NOT TAKE SHELTER UNDER HIGHWAY OVERPASSES. AS A LAST
RESORT... EITHER PARK YOUR VEHICLE AND STAY PUT...OR ABANDON YOUR
VEHICLE AND LIE DOWN IN A LOW LYING AREA.
&&
LAT...LON 4422 8883 4425 8880 4425 8874 4431 8874
4441 8864 4430 8834 4417 8861
TIME...MOT...LOC 2121Z 222DEG 32KT 4430 8853
$$
EB146
WWUS53 KGRB 222134
SVSGRB
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE GREEN BAY WI
434 PM CDT SUN MAY 22 2011
WIC087-139-222140-
/O.EXP.KGRB.TO.W.0020.000000T0000Z-110522T2130Z/
OUTAGAMIE WI-WINNEBAGO WI-
434 PM CDT SUN MAY 22 2011
...THE TORNADO WARNING FOR NORTH CENTRAL WINNEBAGO AND SOUTHWESTERN
OUTAGAMIE COUNTIES HAS EXPIRED...
THE STORM WHICH PROMPTED TORNADO WARNING HAS WEAKENED
SOMEWHAT...ALTHOUGH WEAK ROTATION CONTINUES TO BE REPORTED WITH
THIS STORM.
LARGE HAIL UP TO GOLF BALL SIZE CONTINUES TO BE A THREAT WITH THIS
STORM AND WINDS GUSTING TO 60 MPH.
IN ADDITION...A TORNADO WATCH REMAINS IN EFFECT UNTIL 10 PM CDT.
A SEVERE THUNDERSTORM WARNING HAS BEEN ISSUED FOR OUTAGAMIE COUNTY
UNTIL 515 PM CDT.
LAT...LON 4422 8883 4425 8880 4425 8874 4431 8874
4441 8864 4430 8834 4417 8861
TIME...MOT...LOC 2123Z 222DEG 32KT 4431 8851
$$
EBThe office that day
Everything else NWS Green Bay, WI issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| May 22, 2:23 PM CDT | Severe Thunderstorm Warning | GRB | Marathon, Portage, Wood | 52 min |
| May 22, 2:54 PM CDT | Severe Thunderstorm Warning | GRB | Waushara | 51 min |
| May 22, 3:14 PM CDT | Severe Thunderstorm Warning | GRB | Portage, Waupaca | 46 min |
| May 22, 3:30 PM CDT | Severe Thunderstorm Warning | GRB | Winnebago | 45 min |
| May 22, 3:45 PM CDT | Severe Thunderstorm Warning | GRB | Waushara | 30 min |
| May 22, 3:53 PM CDT | Severe Thunderstorm Warning | GRB | Portage, Waupaca | 37 min |
| May 22, 4:29 PM CDT | Severe Thunderstorm Warning | GRB | Outagamie | 46 min |
| May 22, 4:47 PM CDT | Severe Thunderstorm Warning | GRB | Brown | 43 min |
| May 22, 4:54 PM CDT | Special Marine Warning | GRB | 96 min | |
| May 22, 5:00 PM CDT | Areal Flood Advisory | GRB | Brown, Outagamie | 73 min |
| May 22, 5:02 PM CDT | Severe Thunderstorm Warning | GRB | Brown, Calumet, Outagamie, Winnebago | 32 min |
| May 22, 5:14 PM CDT | Severe Thunderstorm Warning | GRB | Outagamie | 17 min |
| May 22, 5:29 PM CDT | Severe Thunderstorm Warning | GRB | Brown, Door, Kewaunee | 61 min |
| May 22, 5:32 PM CDT | Severe Thunderstorm Warning | GRB | Wood | 43 min |
| May 22, 5:45 PM CDT | Tornado Warning | GRB | Portage, Wood | 45 min |
| May 22, 5:51 PM CDT | Special Marine Warning | GRB | 84 min | |
| May 22, 6:00 PM CDT | Severe Thunderstorm Warning | GRB | Door | 46 min |
| May 22, 6:18 PM CDT | Tornado Warning | GRB | Portage, Waupaca, Wood | 42 min |
| May 22, 6:35 PM CDT | Tornado Warning | GRB | Oneida, Vilas | 55 min |
| May 22, 6:56 PM CDT | Severe Thunderstorm Warning | GRB | Portage, Shawano, Waupaca | 34 min |
Nearby
Tornado Warnings in Wisconsin, 2011Every tornado warning in 2011Tornadoes in 2011
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.