Alert archive / Wisconsin / Severe Thunderstorm Warnings in 2012
Severe Thunderstorm Warning 52, NWS Green Bay, WI
NWS Green Bay, WI issued this severe thunderstorm warning at Jun 20, 2012, 6:21 PM CDT for Lincoln County, Oneida County, Vilas County, Wisconsin. It was in force for 54 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
- Jun 20, 2012, 6:21 PM CDT (23:21 UTC)
- Expired
- Jun 20, 2012, 7:15 PM CDT
- In force
- 54 min
- Issued by
- NWS Green Bay, WI
- Area
- Storm-based polygon
- Hail
- 0.75 in
- Wind
- 60.0 mph
Counties Lincoln County, WI, Oneida County, WI, Vilas County, WI
The radar
The Marquette radar (KMQT), 159 km from the middle of the area, began a volume at 23:25 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 |
|---|---|---|---|
| Jun 20, 6:30 PM CDT | TSTM WND DMG | Harshaw, WI | TWO TREES DOWN. ONE POWER LINE DOWN. DELAYED REPORT FROM COUNTY SHERIFF. |
| Jun 20, 6:40 PM CDT | TSTM WND DMG | 2 Ne Merrill, WI | WIRE DOWN. REPORT VIA COUNTY DISPATCH. |
| Jun 20, 6:44 PM CDT | TSTM WND DMG | 2 Nw Merrill, WI | TREE DOWN. REPORT VIA COUNTY DISPATCH. |
| Jun 20, 6:46 PM CDT | TSTM WND DMG | Merrill, WI | WIRE DOWN. REPORT VIA COUNTY DISPATCH. |
| Jun 20, 6:55 PM CDT | TSTM WND GST 55 | Merrill, WI |
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, 11.4 hours before the alert went out and 173 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
- 657 J/kg
- Mixed-layer CIN
- -91 J/kg
- Mixed-layer LCL
- 1078 m above ground
- 0-6 km bulk shear
- 28 kt
- 0-1 km storm-relative helicity
- 137 m²/s²
- 0-3 km storm-relative helicity
- 176 m²/s²
- Significant tornado parameter
- 0.2
- Supercell composite
- 1.9
The text
As transmitted, in the capitals the NWS used until 2016.
887
WUUS53 KGRB 202321
SVRGRB
WIC069-085-125-210015-
/O.NEW.KGRB.SV.W.0052.120620T2321Z-120621T0015Z/
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE GREEN BAY WI
621 PM CDT WED JUN 20 2012
THE NATIONAL WEATHER SERVICE IN GREEN BAY HAS ISSUED A
* SEVERE THUNDERSTORM WARNING FOR...
LINCOLN COUNTY IN NORTH CENTRAL WISCONSIN...
ONEIDA COUNTY IN NORTH CENTRAL WISCONSIN...
VILAS COUNTY IN NORTH CENTRAL WISCONSIN...
* UNTIL 715 PM CDT
* AT 617 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
LINE OF SEVERE THUNDERSTORMS CAPABLE OF PRODUCING DAMAGING WINDS IN
EXCESS OF 60 MPH. THESE STORMS WERE LOCATED ALONG A LINE EXTENDING
FROM 7 MILES SOUTH OF MARENISCO TO 8 MILES EAST OF MEDFORD...AND
MOVING EAST AT 50 MPH.
* LOCATIONS IMPACTED INCLUDE...
RHINELANDER...EAGLE RIVER...WILLOW RESERVOIR...BOULDER JUNCTION...
TOMAHAWK...WOODBORO...MERRILL AND PHELPS.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
SEVERE THUNDERSTORMS PRODUCE DAMAGING WINDS...LARGE HAIL...AND DEADLY
LIGHTNING. FOR YOUR PROTECTION...MOVE TO AN INTERIOR ROOM ON THE
LOWEST FLOOR OF YOUR HOME OR BUSINESS.
IF YOU ARE IN THE PATH OF THIS STORM...PREPARE FOR WINDS OF 60 MPH OR
STRONGER. IF INDOORS...STAY AWAY FROM WINDOWS. IF OUTSIDE...QUICKLY
MOVE TO A STURDY SHELTER.
TORRENTIAL RAINFALL IS ALSO OCCURRING WITH THESE STORMS...AND MAY
LEAD TO FLASH FLOODING. DO NOT DRIVE YOUR VEHICLE THROUGH FLOODED
ROADWAYS.
&&
LAT...LON 4614 8909 4609 8895 4605 8893 4598 8896
4598 8905 4583 8904 4547 8923 4547 8942
4512 8943 4512 9005 4555 9005 4626 8970
TIME...MOT...LOC 2321Z 253DEG 44KT 4629 8962 4515 9012
WIND...HAIL 60MPH <.75IN
$$
KALLAS4 follow-up statements
815
WWUS53 KGRB 202334
SVSGRB
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE GREEN BAY WI
634 PM CDT WED JUN 20 2012
WIC069-085-125-210015-
/O.CON.KGRB.SV.W.0052.000000T0000Z-120621T0015Z/
LINCOLN WI-ONEIDA WI-VILAS WI-
634 PM CDT WED JUN 20 2012
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT FOR
VILAS...ONEIDA AND LINCOLN COUNTIES UNTIL 715 PM CDT...
AT 631 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
LINE OF SEVERE THUNDERSTORMS CAPABLE OF PRODUCING DAMAGING WINDS IN
EXCESS OF 60 MPH. THESE STORMS WERE LOCATED ALONG A LINE EXTENDING
FROM 12 MILES EAST OF MARENISCO TO 12 MILES SOUTH OF BOULDER JUNCTION
TO 7 MILES SOUTHEAST OF WILLOW RESERVOIR TO 15 MILES WEST OF
MERRILL...MOVING EAST AT 50 MPH.
LOCATIONS IMPACTED INCLUDE...
EAGLE RIVER...RHINELANDER...TOMAHAWK...WOODBORO...MERRILL...
PHELPS...GOODNOW AND HARSHAW.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
SEVERE THUNDERSTORMS PRODUCE DAMAGING WINDS...LARGE HAIL...AND DEADLY
LIGHTNING. FOR YOUR PROTECTION...MOVE TO AN INTERIOR ROOM ON THE
LOWEST FLOOR OF YOUR HOME OR BUSINESS.
TORRENTIAL RAINFALL IS ALSO OCCURRING WITH THESE STORMS...AND MAY
LEAD TO FLASH FLOODING. DO NOT DRIVE YOUR VEHICLE THROUGH FLOODED
ROADWAYS.
&&
LAT...LON 4614 8909 4609 8895 4605 8893 4598 8896
4598 8905 4582 8904 4547 8923 4547 8942
4512 8943 4512 9005 4556 8988 4624 8957
TIME...MOT...LOC 2333Z 253DEG 44KT 4633 8941 4595 8951
4565 8970 4513 8994
WIND...HAIL 60MPH <.75IN
$$
KALLAS102
WWUS53 KGRB 202349
SVSGRB
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE GREEN BAY WI
649 PM CDT WED JUN 20 2012
WIC069-085-125-210015-
/O.CON.KGRB.SV.W.0052.000000T0000Z-120621T0015Z/
LINCOLN WI-ONEIDA WI-VILAS WI-
649 PM CDT WED JUN 20 2012
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT FOR EASTERN
VILAS...EASTERN ONEIDA AND EASTERN LINCOLN COUNTIES UNTIL 715 PM
CDT...
AT 645 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
LINE OF SEVERE THUNDERSTORMS CAPABLE OF PRODUCING DAMAGING WINDS IN
EXCESS OF 60 MPH. THESE STORMS WERE LOCATED ALONG A LINE EXTENDING
FROM PAULDING TO 6 MILES NORTHWEST OF EAGLE RIVER TO 6 MILES
NORTHWEST OF RHINELANDER TO MERRILL...MOVING EAST AT 50 MPH. A WIND
GUST TO 38 MPH WAS REPORTED IN THE TOWN OF TOMAHAWK.
LOCATIONS IMPACTED INCLUDE...
EAGLE RIVER...RHINELANDER...PHELPS...PINE RIVER...HARRISON...SUGAR
CAMP...JEFFRIS AND BLOOMVILLE.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
SEVERE THUNDERSTORMS PRODUCE DAMAGING WINDS...LARGE HAIL...AND DEADLY
LIGHTNING. FOR YOUR PROTECTION...MOVE TO AN INTERIOR ROOM ON THE
LOWEST FLOOR OF YOUR HOME OR BUSINESS.
TORRENTIAL RAINFALL IS ALSO OCCURRING WITH THESE STORMS...AND MAY
LEAD TO FLASH FLOODING. DO NOT DRIVE YOUR VEHICLE THROUGH FLOODED
ROADWAYS.
&&
LAT...LON 4610 8897 4605 8893 4598 8896 4598 8905
4581 8904 4547 8923 4547 8942 4512 8943
4512 8989 4555 8970 4619 8934
TIME...MOT...LOC 2348Z 253DEG 44KT 4638 8915 4600 8925
4570 8945 4518 8969
WIND...HAIL 60MPH <.75IN
$$
KALLAS102
WWUS53 KGRB 210002
SVSGRB
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE GREEN BAY WI
702 PM CDT WED JUN 20 2012
WIC069-085-125-210015-
/O.CON.KGRB.SV.W.0052.000000T0000Z-120621T0015Z/
LINCOLN WI-ONEIDA WI-VILAS WI-
702 PM CDT WED JUN 20 2012
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT FOR EASTERN
VILAS...EASTERN ONEIDA AND EASTERN LINCOLN COUNTIES UNTIL 715 PM
CDT...
AT 659 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
LINE OF SEVERE THUNDERSTORMS CAPABLE OF PRODUCING DAMAGING WINDS IN
EXCESS OF 60 MPH. THESE STORMS WERE LOCATED ALONG A LINE EXTENDING
FROM 6 MILES SOUTHWEST OF KENTON TO 8 MILES SOUTH OF PHELPS TO 10
MILES NORTHEAST OF RHINELANDER TO 6 MILES SOUTHEAST OF
MERRILL...MOVING EAST AT 50 MPH. A 55 MPH WIND GUST WAS REPORTED IN
MERRILL AT 655 PM.
LOCATIONS IMPACTED INCLUDE...
THREE LAKES...DOERING...STARKS AND ENTERPRISE.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
SEVERE THUNDERSTORMS PRODUCE DAMAGING WINDS...LARGE HAIL...AND DEADLY
LIGHTNING. FOR YOUR PROTECTION...MOVE TO AN INTERIOR ROOM ON THE
LOWEST FLOOR OF YOUR HOME OR BUSINESS.
TORRENTIAL RAINFALL IS ALSO OCCURRING WITH THESE STORMS...AND MAY
LEAD TO FLASH FLOODING. DO NOT DRIVE YOUR VEHICLE THROUGH FLOODED
ROADWAYS.
&&
LAT...LON 4610 8899 4605 8893 4598 8896 4598 8905
4580 8904 4547 8923 4547 8942 4512 8943
4512 8971 4552 8952 4615 8916
TIME...MOT...LOC 0002Z 253DEG 44KT 4643 8891 4596 8901
4575 8922 4514 8953
WIND...HAIL 60MPH <.75IN
$$
KALLAS447
WWUS53 KGRB 210014
SVSGRB
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE GREEN BAY WI
714 PM CDT WED JUN 20 2012
WIC069-085-125-210024-
/O.EXP.KGRB.SV.W.0052.000000T0000Z-120621T0015Z/
LINCOLN WI-ONEIDA WI-VILAS WI-
714 PM CDT WED JUN 20 2012
...THE SEVERE THUNDERSTORM WARNING FOR EASTERN VILAS...EASTERN
ONEIDA AND EASTERN LINCOLN COUNTIES WILL EXPIRE AT 715 PM CDT...
THE LINE OF STORMS WHICH PROMPTED THE WARNING HAS MOVED OUT OF THE
WARNED AREA. HOWEVER...GUSTY WINDS AND HEAVY RAIN ARE STILL
POSSIBLE WITH THESE THUNDERSTORMS.
LAT...LON 4610 8899 4605 8893 4598 8896 4598 8905
4580 8904 4547 8923 4547 8942 4512 8943
4512 8971 4552 8952 4615 8916
TIME...MOT...LOC 0014Z 253DEG 44KT 4647 8870 4600 8881
4579 8902 4518 8933
$$
KALLASThe office that day
Everything else NWS Green Bay, WI issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 19, 8:51 PM CDT | Small Craft Advisory | GRB | 31 hr | |
| Jun 20, 5:14 PM CDT | Areal Flood Advisory | GRB | Oneida, Vilas | 3 hr |
Nearby
Severe Thunderstorm Warnings in Wisconsin, 2012Every severe thunderstorm warning 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.