Alert archive / Wisconsin / Tornado Warnings in 2011
Tornado Warning 21, NWS Green Bay, WI
NWS Green Bay, WI issued this tornado warning at May 22, 2011, 5:45 PM CDT for Portage County, Wood County, Wisconsin. It was in force for 45 min. 7 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, 5:45 PM CDT (22:45 UTC)
- Expired
- May 22, 2011, 6:30 PM CDT
- In force
- 45 min
- Issued by
- NWS Green Bay, WI
- Area
- Storm-based polygon
Counties Portage County, WI, Wood County, WI
The radar
The La Crosse radar (KARX), 117 km from the middle of the area, began a volume at 22:47 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, 6:04 PM CDT | HAIL 0.5 | Nekoosa, WI | SLIGHTLY LARGER THAN 1/2 INCH. |
| May 22, 6:08 PM CDT | HAIL 1 | Nekoosa, WI | |
| May 22, 6:14 PM CDT | HAIL 1 | 2 S Wisconsin Rapids, WI | |
| May 22, 6:16 PM CDT | TORNADO | 4 E Nekoosa, WI | 3 TO 4 HOUSES DAMAGED IN THE SARATOGA TOWNSHIP. 1 GARAGE DESTROYED NEAR HWY 73 AND COUNTY ROAD EVERGREEN. 3 MINOR INJURIES IN SARATOGA. SEVERAL LARGE POWER POLES DOWN NEAR COUNTY LINE RD THROUGH COUNTY ROAD G. |
| May 22, 6:16 PM CDT | TORNADO | Nekoosa, WI | STRUCTURE DAMAGE AND A BARN MISSING. |
| May 22, 6:29 PM CDT | TORNADO | 5 S Wisconsin Rapids, WI | SEVERAL REPORTS OF MAJOR DAMAGE. TORNADO WENT THROUGH GRAND RAPIDS. LOCATION ESTIMATED. |
| May 22, 6:30 PM CDT | HAIL 1.75 | Kellner, 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, 10.8 hours before the alert went out and 143 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.
324 WFUS53 KGRB 222245 TORGRB WIC097-141-222330- /O.NEW.KGRB.TO.W.0021.110522T2245Z-110522T2330Z/ BULLETIN - EAS ACTIVATION REQUESTED TORNADO WARNING NATIONAL WEATHER SERVICE GREEN BAY WI 545 PM CDT SUN MAY 22 2011 THE NATIONAL WEATHER SERVICE IN GREEN BAY HAS ISSUED A * TORNADO WARNING FOR... SOUTHWESTERN PORTAGE COUNTY IN CENTRAL WISCONSIN... SOUTHEASTERN WOOD COUNTY IN CENTRAL WISCONSIN... * UNTIL 630 PM CDT * AT 539 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR WAS TRACKING A CONFIRMED TORNADO 10 MILES SOUTHWEST OF BABCOCK...OR 24 MILES NORTHWEST OF FRIENDSHIP. DOPPLER RADAR SHOWED THIS TORNADO MOVING NORTHEAST AT 40 MPH. * THE TORNADO WILL AFFECT MAINLY RURAL AREAS OF SOUTHEASTERN WOOD AND SOUTHWESTERN PORTAGE COUNTIES...INCLUDING THE FOLLOWING LOCATIONS NEKOOSA...PORT EDWARDS AND KELLNER. * THIS THUNDERSTORM HAS A HISTORY OF PRODUCING LARGE TRACK TORNADOES. 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 4441 8973 4424 8961 4424 9019 4425 9019 TIME...MOT...LOC 2244Z 246DEG 34KT 4418 9016 $$ MPC
2 follow-up statements
002 WWUS53 KGRB 222309 SVSGRB SEVERE WEATHER STATEMENT NATIONAL WEATHER SERVICE GREEN BAY WI 609 PM CDT SUN MAY 22 2011 WIC097-141-222330- /O.CON.KGRB.TO.W.0021.000000T0000Z-110522T2330Z/ PORTAGE WI-WOOD WI- 609 PM CDT SUN MAY 22 2011 ...A TORNADO WARNING REMAINS IN EFFECT FOR SOUTHEASTERN WOOD AND SOUTHWESTERN PORTAGE COUNTIES UNTIL 630 PM CDT... AT 607 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR WAS TRACKING A CONFIRMED TORNADO. THIS TORNADO WAS LOCATED NEAR NEW ROME...OR 9 MILES SOUTH OF WISCONSIN RAPIDS...MOVING NORTHEAST AT 40 MPH. IN ADDITION...AT 608 PM...A TRAINED SPOTTER REPORTED QUARTER SIZED HAIL IN NEKOOSA WITH THIS STORM. LOCATIONS IMPACTED INCLUDE... PORT EDWARDS AND KELLNER. PRECAUTIONARY/PREPAREDNESS ACTIONS... TAKE COVER NOW. MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR OF A STURDY BUILDING. AVOID WINDOWS. IF IN A MOBILE HOME...A VEHICLE OR OUTDOORS...MOVE TO THE CLOSEST SUBSTANTIAL SHELTER AND PROTECT YOURSELF FROM FLYING DEBRIS. && LAT...LON 4441 8973 4424 8961 4424 9019 4425 9019 TIME...MOT...LOC 2309Z 246DEG 34KT 4428 8986 $$ MPC
099 WWUS53 KGRB 222326 SVSGRB SEVERE WEATHER STATEMENT NATIONAL WEATHER SERVICE GREEN BAY WI 626 PM CDT SUN MAY 22 2011 WIC097-141-222335- /O.EXP.KGRB.TO.W.0021.000000T0000Z-110522T2330Z/ PORTAGE WI-WOOD WI- 626 PM CDT SUN MAY 22 2011 ...THE TORNADO WARNING FOR SOUTHEASTERN WOOD AND SOUTHWESTERN PORTAGE COUNTIES HAS BEEN REISSUED... PLEASE REFER TO THAT BULLETIN FOR THE LATEST SEVERE WEATHER INFORMATION. REMEMBER...A TORNADO WARNING REMAINS IN EFFECT FOR SOUTHEAST WOOD...SOUTHERN PORTAGE AND WESTERN WAUPACA UNTIL 700 PM. LAT...LON 4441 8973 4424 8961 4424 9019 4425 9019 TIME...MOT...LOC 2325Z 246DEG 34KT 4434 8967 $$ MPC
The 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, 3:48 PM CDT | Tornado Warning | GRB | Outagamie, Waupaca, Winnebago | 42 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, 5:51 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.