Alert archive / Wisconsin / Tornado Warnings in 2011
Tornado Warning 10, NWS Green Bay, WI
NWS Green Bay, WI issued this tornado warning at Apr 10, 2011, 7:56 PM CDT for 4 counties in Wisconsin. It was in force for 34 min. 5 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
- Apr 10, 2011, 7:56 PM CDT (00:56 UTC)
- Expired
- Apr 10, 2011, 8:30 PM CDT
- In force
- 34 min
- Issued by
- NWS Green Bay, WI
- Area
- Storm-based polygon
Counties Outagamie County, WI, Waupaca County, WI, Waushara County, WI, Winnebago County, WI
The radar
The Green Bay radar (KGRB), 56 km from the middle of the area, began a volume at 00:56 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 |
|---|---|---|---|
| Apr 10, 8:05 PM CDT | TORNADO | 2 S Fremont, WI | WIDESPREAD DEBRIS INCLUDING HIGHWAY SIGNS DOWN. |
| Apr 10, 8:11 PM CDT | HAIL 2.75 | 3 N Winneconne, WI | ON COUNTY HWY M |
| Apr 10, 8:20 PM CDT | FUNNEL CLOUD | 4 N Winneconne, WI | OAK RIDGE ROAD |
| Apr 10, 8:30 PM CDT | TSTM WND DMG | Menasha, WI | LARGE TREES DOWN |
| Apr 10, 8:30 PM CDT | TSTM WND DMG | Neenah, WI | ROOF DAMAGE AT MOTORMART GAS STATION. POWER LINES DOWN. |
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 |
|---|---|---|---|
| Apr 10, 3:19 PM CDT | Tornado Watch | SPC | 7 hr |
The nearest sounding before it
Green Bay/Straub, WI (KGRB), launched 00:00Z, 0.9 hours before the alert went out and 55 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
- 1647 J/kg
- Mixed-layer CIN
- -38 J/kg
- Mixed-layer LCL
- 1073 m above ground
- 0-6 km bulk shear
- 74 kt
- 0-1 km storm-relative helicity
- 399 m²/s²
- 0-3 km storm-relative helicity
- 397 m²/s²
- Significant tornado parameter
- 4.2
- Supercell composite
- 11.4
The text
As transmitted, in the capitals the NWS used until 2016.
567 WFUS53 KGRB 110056 TORGRB WIC087-135-137-139-110130- /O.NEW.KGRB.TO.W.0010.110411T0056Z-110411T0130Z/ BULLETIN - EAS ACTIVATION REQUESTED TORNADO WARNING NATIONAL WEATHER SERVICE GREEN BAY WI 756 PM CDT SUN APR 10 2011 THE NATIONAL WEATHER SERVICE IN GREEN BAY HAS ISSUED A * TORNADO WARNING FOR... SOUTHWESTERN OUTAGAMIE COUNTY IN NORTHEAST WISCONSIN... SOUTH CENTRAL WAUPACA COUNTY IN NORTHEAST WISCONSIN... EASTERN WAUSHARA COUNTY IN CENTRAL WISCONSIN... NORTHERN WINNEBAGO COUNTY IN EAST CENTRAL WISCONSIN... * UNTIL 830 PM CDT * AT 752 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO AND BASEBALL SIZE HAIL. THIS DANGEROUS STORM WAS LOCATED 7 MILES WEST OF LAKE POYGAN...OR 12 MILES NORTH OF BERLIN...AND MOVING EAST AT 50 MPH. * THIS DANGEROUS STORM WILL BE NEAR... LAKE POYGAN AND FREMONT AROUND 800 PM CDT. OTHER LOCATIONS IMPACTED BY THIS DANGEROUS STORM INCLUDE TUSTIN... ZITTAU...READFIELD...WINNECONNE...WINCHESTER...DALE...ALLENVILLE... MEDINA...LARSEN AND GREENVILLE. 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. TO REPORT SEVERE WEATHER...CONTACT YOUR NEAREST LAW ENFORCEMENT AGENCY. THEY WILL RELAY YOUR REPORT TO THE NATIONAL WEATHER SERVICE IN GREEN BAY. && LAT...LON 4434 8841 4407 8841 4401 8907 4427 8910 TIME...MOT...LOC 0055Z 259DEG 44KT 4415 8894 $$ KIECKBUSCH
5 follow-up statements
947 WWUS53 KGRB 110104 SVSGRB SEVERE WEATHER STATEMENT NATIONAL WEATHER SERVICE GREEN BAY WI 804 PM CDT SUN APR 10 2011 WIC087-135-137-139-110130- /O.CON.KGRB.TO.W.0010.000000T0000Z-110411T0130Z/ OUTAGAMIE WI-WAUSHARA WI-WINNEBAGO WI-WAUPACA WI- 804 PM CDT SUN APR 10 2011 ...A TORNADO WARNING REMAINS IN EFFECT FOR SOUTH CENTRAL WAUPACA... NORTHERN WINNEBAGO...EASTERN WAUSHARA AND SOUTHWESTERN OUTAGAMIE COUNTIES UNTIL 830 PM CDT... AT 801 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO AND GOLF BALL SIZE HAIL. THIS DANGEROUS STORM WAS LOCATED NEAR LAKE POYGAN...OR 14 MILES NORTH OF BERLIN...MOVING EAST AT 45 MPH. ANOTHER POSSIBLE TORNADO WAS LOCATED NEAR BORTH. THIS DANGEROUS STORM WILL AFFECT MAINLY RURAL AREAS OF EASTERN WAUSHARA...NORTHERN WINNEBAGO...SOUTH CENTRAL WAUPACA AND SOUTHWESTERN OUTAGAMIE COUNTIES...INCLUDING THE FOLLOWING LOCATIONS DALE...WINCHESTER...ALLENVILLE...MEDINA...LARSEN...NEENAH AND MENASHA. PRECAUTIONARY/PREPAREDNESS ACTIONS... TAKE COVER NOW. MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR OF A STURDY BUILDING. AVOID WINDOWS. IF IN A MOBILE HOME...A VEHICLE OR OUTDOORS...MOVE TO THE CLOSEST SUBSTANTIAL SHELTER AND PROTECT YOURSELF FROM FLYING DEBRIS. && LAT...LON 4434 8841 4407 8841 4401 8907 4427 8910 TIME...MOT...LOC 0104Z 259DEG 39KT 4417 8882 $$ KIECKBUSCH
812 WWUS53 KGRB 110110 SVSGRB SEVERE WEATHER STATEMENT NATIONAL WEATHER SERVICE GREEN BAY WI 810 PM CDT SUN APR 10 2011 WIC087-135-137-139-110130- /O.CON.KGRB.TO.W.0010.000000T0000Z-110411T0130Z/ OUTAGAMIE WI-WAUSHARA WI-WINNEBAGO WI-WAUPACA WI- 810 PM CDT SUN APR 10 2011 ...A TORNADO WARNING REMAINS IN EFFECT FOR SOUTH CENTRAL WAUPACA... NORTHERN WINNEBAGO...EASTERN WAUSHARA AND SOUTHWESTERN OUTAGAMIE COUNTIES UNTIL 830 PM CDT... AT 806 PM CDT...DOPPLER RADAR AND WEATHER SPOTTERS REPORTED A TORNADO. THIS TORNADO WAS LOCATED NEAR LAKE POYGAN...OR 16 MILES NORTHEAST OF BERLIN...MOVING EAST AT 45 MPH. ANOTHER POSSIBLE TORNADO WAS LOCATED WEST OF WINNECONNE. WEATHER SPOTTERS REPORTED A POSSIBLE RAIN WRAPPED TORNADO NEAR BORTH AT AROUND 753 PM. THE TORNADO WILL AFFECT MAINLY RURAL AREAS OF EASTERN WAUSHARA... NORTHERN WINNEBAGO...SOUTH CENTRAL WAUPACA AND SOUTHWESTERN OUTAGAMIE COUNTIES...INCLUDING THE FOLLOWING LOCATIONS DALE...WINCHESTER... ALLENVILLE...MEDINA...LARSEN...NEENAH AND MENASHA. 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 4434 8841 4407 8841 4401 8907 4427 8910 TIME...MOT...LOC 0109Z 259DEG 39KT 4418 8875 $$ KIECKBUSCH
162 WWUS53 KGRB 110114 SVSGRB SEVERE WEATHER STATEMENT NATIONAL WEATHER SERVICE GREEN BAY WI 814 PM CDT SUN APR 10 2011 WIC137-110123- /O.CAN.KGRB.TO.W.0010.000000T0000Z-110411T0130Z/ WAUSHARA WI- 814 PM CDT SUN APR 10 2011 ...THE TORNADO WARNING FOR EASTERN WAUSHARA COUNTY IS CANCELLED... THE STORM WHICH PROMPTED THE WARNING HAS MOVED OUT OF THE WARNED AREA. LAT...LON 4434 8841 4407 8841 4403 8886 4428 8886 TIME...MOT...LOC 0113Z 258DEG 37KT 4419 8871 $$ WIC087-135-139-110130- /O.CON.KGRB.TO.W.0010.000000T0000Z-110411T0130Z/ OUTAGAMIE WI-WINNEBAGO WI-WAUPACA WI- 814 PM CDT SUN APR 10 2011 ...A TORNADO WARNING REMAINS IN EFFECT FOR SOUTHEASTERN WAUPACA... NORTHERN WINNEBAGO AND SOUTHWESTERN OUTAGAMIE COUNTIES UNTIL 830 PM CDT... AT 810 PM CDT...TRAINED WEATHER SPOTTERS REPORTED A TORNADO AND BASEBALL SIZE HAIL. THIS TORNADO WAS LOCATED 6 MILES EAST OF LAKE POYGAN...OR 16 MILES NORTHWEST OF OSHKOSH...MOVING EAST AT 40 MPH. THE TORNADO WILL AFFECT MAINLY RURAL AREAS OF NORTHERN WINNEBAGO... SOUTHEASTERN WAUPACA AND SOUTHWESTERN OUTAGAMIE COUNTIES...INCLUDING THE FOLLOWING LOCATIONS LARSEN...MEDINA...GREENVILLE...MENASHA AND NEENAH. PRECAUTIONARY/PREPAREDNESS ACTIONS... HEAVY RAINFALL MAY OBSCURE THIS TORNADO. DO NOT WAIT TO SEE OR HEAR THE TORNADO. TAKE COVER NOW. && LAT...LON 4434 8841 4407 8841 4403 8886 4428 8886 TIME...MOT...LOC 0113Z 258DEG 37KT 4419 8871 $$ KIECKBUSCH
219 WWUS53 KGRB 110118 SVSGRB SEVERE WEATHER STATEMENT NATIONAL WEATHER SERVICE GREEN BAY WI 818 PM CDT SUN APR 10 2011 WIC087-135-139-110130- /O.CON.KGRB.TO.W.0010.000000T0000Z-110411T0130Z/ OUTAGAMIE WI-WINNEBAGO WI-WAUPACA WI- 818 PM CDT SUN APR 10 2011 ...A TORNADO WARNING REMAINS IN EFFECT FOR SOUTHEASTERN WAUPACA... NORTHERN WINNEBAGO AND SOUTHWESTERN OUTAGAMIE COUNTIES UNTIL 830 PM CDT... AT 815 PM CDT...DOPPLER RADAR AND TRAINED WEATHER SPOTTERS REPORTED A TORNADO AND BASEBALL SIZE HAIL. THIS TORNADO WAS LOCATED 8 MILES EAST OF LAKE POYGAN...OR 15 MILES NORTHWEST OF OSHKOSH...MOVING EAST AT 35 MPH. THE TORNADO WILL AFFECT MAINLY RURAL AREAS OF NORTHERN WINNEBAGO... SOUTHEASTERN WAUPACA AND SOUTHWESTERN OUTAGAMIE COUNTIES...INCLUDING THE FOLLOWING LOCATIONS...LARSEN...MEDINA...MENASHA AND GREENVILLE. PRECAUTIONARY/PREPAREDNESS ACTIONS... HEAVY RAINFALL MAY OBSCURE THIS TORNADO. DO NOT WAIT TO SEE OR HEAR THE TORNADO. TAKE COVER NOW. TO REPORT SEVERE WEATHER...CONTACT THE NEAREST LAW ENFORCEMENT AGENCY. THEY WILL RELAY YOUR REPORT TO THE NATIONAL WEATHER SERVICE IN GREEN BAY. && LAT...LON 4434 8841 4407 8841 4403 8886 4428 8886 TIME...MOT...LOC 0117Z 257DEG 31KT 4420 8868 $$ KIECKBUSCH
931 WWUS53 KGRB 110130 SVSGRB SEVERE WEATHER STATEMENT NATIONAL WEATHER SERVICE GREEN BAY WI 830 PM CDT SUN APR 10 2011 WIC087-135-139-110140- /O.EXP.KGRB.TO.W.0010.000000T0000Z-110411T0130Z/ OUTAGAMIE WI-WINNEBAGO WI-WAUPACA WI- 830 PM CDT SUN APR 10 2011 ...THE TORNADO WARNING FOR SOUTHEASTERN WAUPACA...NORTHERN WINNEBAGO AND SOUTHWESTERN OUTAGAMIE COUNTIES HAS BEING REISSUED... PLEASE REFER TO THAT BULLETIN FOR THE LATEST SEVERE WEATHER INFORMATION. TO REPORT SEVERE WEATHER...CONTACT YOUR NEAREST LAW ENFORCEMENT AGENCY. THEY WILL RELAY YOUR REPORT TO THE NATIONAL WEATHER SERVICE IN GREEN BAY. LAT...LON 4434 8841 4407 8841 4403 8886 4428 8886 TIME...MOT...LOC 0118Z 257DEG 31KT 4420 8867 $$ KIECKBUSCH
The office that day
Everything else NWS Green Bay, WI issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Apr 10, 7:11 PM CDT | Severe Thunderstorm Warning | GRB | Waushara | 34 min |
| Apr 10, 7:15 PM CDT | Tornado Warning | GRB | Forest, Langlade, Oneida | 30 min |
| Apr 10, 7:27 PM CDT | Tornado Warning | GRB | Waushara | 33 min |
| Apr 10, 7:29 PM CDT | Tornado Warning | GRB | Outagamie, Waupaca | 46 min |
| Apr 10, 7:42 PM CDT | Tornado Warning | GRB | Florence, Forest, Marinette | 48 min |
| Apr 10, 8:10 PM CDT | Areal Flood Advisory | GRB | Calumet, Outagamie, Winnebago | 117 min |
| Apr 10, 8:29 PM CDT | Tornado Warning | GRB | Winnebago | 31 min |
| Apr 10, 8:29 PM CDT | Tornado Warning | GRB | Brown, Calumet, Outagamie, Winnebago | 31 min |
| Apr 10, 8:56 PM CDT | Tornado Warning | GRB | Calumet, Winnebago | 34 min |
| Apr 10, 9:00 PM CDT | Tornado Warning | GRB | Brown | 30 min |
| Apr 10, 9:02 PM CDT | Special Marine Warning | GRB | 106 min | |
| Apr 10, 9:16 PM CDT | Tornado Warning | GRB | Manitowoc | 29 min |
| Apr 10, 9:19 PM CDT | Severe Thunderstorm Warning | GRB | Kewaunee | 26 min |
| Apr 10, 9:34 PM CDT | Tornado Warning | GRB | Manitowoc | 26 min |
| Apr 10, 9:46 PM CDT | River Flood Warning | GRB | Marathon, Portage | 4 days |
| Apr 10, 9:46 PM CDT | River Flood Warning | GRB | Portage, Wood | 63 hr |
| Apr 10, 10:13 PM CDT | River Flood Warning | GRB | Outagamie | 24 days |
| Apr 10, 10:13 PM CDT | River Flood Warning | GRB | Outagamie, Waupaca | 12 days |
| Apr 10, 10:13 PM CDT | River Flood Warning | GRB | Waupaca | 60 hr |
| Apr 11, 10:14 AM CDT | River Flood Warning | GRB | Marathon | 46 hr |
| Apr 11, 11:46 AM CDT | River Flood Warning | GRB | Lincoln | 45 hr |
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.