Alert archive / Wisconsin / Tornado Warnings in 2011
Tornado Warning 24, NWS Green Bay, WI
NWS Green Bay, WI issued this tornado warning at Aug 19, 2011, 4:53 PM CDT for Marinette County, Wisconsin. It was in force for 22 min. 3 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
- Aug 19, 2011, 4:53 PM CDT (21:53 UTC)
- Expired
- Aug 19, 2011, 5:15 PM CDT
- In force
- 22 min
- Issued by
- NWS Green Bay, WI
- Area
- Storm-based polygon
County Marinette County, WI
The radar
The Green Bay radar (KGRB), 100 km from the middle of the area, began a volume at 21:55 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 |
|---|---|---|---|
| Aug 19, 4:53 PM CDT | TSTM WND DMG | Wausaukee, WI | TRAILER LEVELED. |
| Aug 19, 4:54 PM CDT | HAIL 1.75 | Wausaukee, WI | |
| Aug 19, 5:10 PM CDT | HAIL 0.5 | Mcallister, WI | DIME SIZE HAIL...SLIGHTLY LARGER THAN HALF INCH. |
Local storm reports filed while the alert was in force, from inside its polygon or its counties.
The nearest sounding before it
Green Bay/Straub, WI (KGRB), launched 12:00Z, 9.9 hours before the alert went out and 102 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
- 123 J/kg
- Mixed-layer CIN
- -204 J/kg
- Mixed-layer LCL
- 1324 m above ground
- 0-6 km bulk shear
- 21 kt
- 0-1 km storm-relative helicity
- 15 m²/s²
- 0-3 km storm-relative helicity
- 65 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
850
WFUS53 KGRB 192153
TORGRB
WIC075-192215-
/O.NEW.KGRB.TO.W.0024.110819T2153Z-110819T2215Z/
BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE GREEN BAY WI
453 PM CDT FRI AUG 19 2011
THE NATIONAL WEATHER SERVICE IN GREEN BAY HAS ISSUED A
* TORNADO WARNING FOR...
CENTRAL MARINETTE COUNTY IN NORTHEAST WISCONSIN...
* UNTIL 515 PM CDT
* AT 451 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO. THIS DANGEROUS
STORM WAS LOCATED NEAR WAUSAUKEE...OR 24 MILES NORTHWEST OF
MENOMINEE...AND MOVING SOUTHEAST AT 40 MPH.
* LOCATIONS IMPACTED INCLUDE...
WAUSAUKEE...AND MCALLISTER.
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 4528 8769 4522 8772 4540 8809 4552 8798
4547 8781 4544 8785 4540 8785 4537 8787
4535 8785 4536 8782 4535 8776 4539 8769
4537 8765 4534 8764
TIME...MOT...LOC 2152Z 300DEG 33KT 4540 8788
$$
MPC2 follow-up statements
341
WWUS53 KGRB 192159
SVSGRB
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE GREEN BAY WI
459 PM CDT FRI AUG 19 2011
WIC075-192215-
/O.CON.KGRB.TO.W.0024.000000T0000Z-110819T2215Z/
MARINETTE WI-
459 PM CDT FRI AUG 19 2011
...A TORNADO WARNING REMAINS IN EFFECT FOR EAST CENTRAL MARINETTE
COUNTY UNTIL 515 PM CDT...
AT 455 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO. THIS DANGEROUS
STORM WAS LOCATED NEAR WAUSAUKEE...OR 21 MILES NORTHWEST OF
MENOMINEE...MOVING SOUTHEAST AT 40 MPH.
LOCATIONS IMPACTED INCLUDE...
HAROLD...WAGNER...AND MCALLISTER.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
TAKE COVER NOW. MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR OF A
STURDY BUILDING. AVOID WINDOWS. IF IN A MOBILE HOME...A VEHICLE OR
OUTDOORS...MOVE TO THE CLOSEST SUBSTANTIAL SHELTER AND PROTECT
YOURSELF FROM FLYING DEBRIS.
&&
LAT...LON 4528 8769 4522 8772 4536 8801 4549 8789
4547 8781 4544 8785 4540 8785 4537 8787
4535 8785 4536 8782 4535 8776 4539 8769
4537 8765 4534 8764
TIME...MOT...LOC 2159Z 300DEG 33KT 4537 8780
$$
MPC099
WWUS53 KGRB 192216
SVSGRB
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE GREEN BAY WI
516 PM CDT FRI AUG 19 2011
WIC075-192226-
/O.EXP.KGRB.TO.W.0024.000000T0000Z-110819T2215Z/
MARINETTE WI-
516 PM CDT FRI AUG 19 2011
...THE TORNADO WARNING FOR EAST CENTRAL MARINETTE COUNTY HAS
EXPIRED...
THE STORM WHICH PROMPTED THE WARNING HAS MOVED OUT OF THE WARNED
AREA.
LAT...LON 4528 8769 4522 8772 4536 8801 4549 8789
4547 8781 4544 8785 4540 8785 4537 8787
4535 8785 4536 8782 4535 8776 4539 8769
4537 8765 4534 8764
TIME...MOT...LOC 2159Z 300DEG 33KT 4537 8780
$$
MPCThe office that day
Everything else NWS Green Bay, WI issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 19, 1:35 PM CDT | Severe Thunderstorm Warning | GRB | Vilas | 40 min |
| Aug 19, 2:07 PM CDT | Severe Thunderstorm Warning | GRB | Oneida, Vilas | 38 min |
| Aug 19, 2:43 PM CDT | Severe Thunderstorm Warning | GRB | Forest, Oneida, Vilas | 27 min |
| Aug 19, 3:03 PM CDT | Severe Thunderstorm Warning | GRB | Florence, Forest | 53 min |
| Aug 19, 3:37 PM CDT | Severe Thunderstorm Warning | GRB | Florence, Forest, Marinette | 53 min |
| Aug 19, 4:25 PM CDT | Severe Thunderstorm Warning | GRB | Marinette | 39 min |
| Aug 19, 5:02 PM CDT | Special Marine Warning | GRB | 88 min | |
| Aug 19, 5:17 PM CDT | Severe Thunderstorm Warning | GRB | Marinette | 44 min |
| Aug 19, 5:38 PM CDT | Severe Thunderstorm Warning | GRB | Door | 28 min |
| Aug 19, 6:28 PM CDT | Special Marine Warning | GRB | 62 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.