Alert archive / Wisconsin / Severe Thunderstorm Warnings in 2012
Severe Thunderstorm Warning 53, NWS Green Bay, WI
NWS Green Bay, WI issued this severe thunderstorm warning at Jun 20, 2012, 7:08 PM CDT for Florence County, Forest County, Langlade County, Wisconsin. It was in force for 54 min. 1 report 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, 7:08 PM CDT (00:08 UTC)
- Expired
- Jun 20, 2012, 8:02 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 Florence County, WI, Forest County, WI, Langlade County, WI
The radar
The Marquette radar (KMQT), 125 km from the middle of the area, began a volume at 00:12 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, 7:24 PM CDT | TSTM WND DMG | Elcho, WI | TREE DOWN ON POWER LINE. REPORT VIA COUNTY DISPATCH. TIME ESTIMATED. |
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 00:00Z, 0.1 hours before the alert went out and 157 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
- 536 J/kg
- Mixed-layer CIN
- -91 J/kg
- Mixed-layer LCL
- 1932 m above ground
- 0-6 km bulk shear
- 22 kt
- 0-1 km storm-relative helicity
- 111 m²/s²
- 0-3 km storm-relative helicity
- 242 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 2.6
The text
As transmitted, in the capitals the NWS used until 2016.
747
WUUS53 KGRB 210008
SVRGRB
WIC037-041-067-210115-
/O.NEW.KGRB.SV.W.0053.120621T0008Z-120621T0115Z/
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE GREEN BAY WI
708 PM CDT WED JUN 20 2012
THE NATIONAL WEATHER SERVICE IN GREEN BAY HAS ISSUED A
* SEVERE THUNDERSTORM WARNING FOR...
FLORENCE COUNTY IN NORTHEAST WISCONSIN...
FOREST COUNTY IN NORTHEAST WISCONSIN...
NORTHERN LANGLADE COUNTY IN NORTH CENTRAL WISCONSIN...
* UNTIL 815 PM CDT
* AT 707 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 PHELPS TO 12 MILES SOUTHEAST OF EAGLE RIVER
TO 15 MILES EAST OF RHINELANDER TO 10 MILES SOUTHEAST OF MERRILL...
AND MOVING NORTHEAST AT 50 MPH.
* LOCATIONS IMPACTED INCLUDE...
CRANDON...TIPLER...PEARSON...FLORENCE...HILES...ELCHO...SUMMIT LAKE
AND NASHVILLE.
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 4603 8882 4602 8868 4599 8866 4599 8862
4602 8861 4602 8851 4600 8849 4595 8819
4572 8836 4572 8842 4564 8842 4540 8860
4512 8942 4538 8943 4547 8937 4547 8905
4588 8905 4598 8898 4598 8894 4607 8893
TIME...MOT...LOC 0008Z 242DEG 48KT 4613 8879 4586 8894
4563 8914 4515 8948
WIND...HAIL 60MPH <.75IN
$$
KALLAS3 follow-up statements
291
WWUS53 KGRB 210024
SVSGRB
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE GREEN BAY WI
724 PM CDT WED JUN 20 2012
WIC037-041-067-210115-
/O.CON.KGRB.SV.W.0053.000000T0000Z-120621T0115Z/
FLORENCE WI-FOREST WI-LANGLADE WI-
724 PM CDT WED JUN 20 2012
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT FOR NORTHERN
LANGLADE...FOREST AND FLORENCE COUNTIES UNTIL 815 PM CDT...
AT 722 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
LINE OF SEVERE THUNDERSTORMS CAPABLE OF PRODUCING DAMAGING WINDS IN
EXCESS OF 60 MPH. THESE STORMS WERE LOCATED ALONG A LINE EXTENDING
FROM 5 MILES SOUTHWEST OF AMASA TO TIPLER TO 12 MILES NORTH OF
CRANDON TO 9 MILES WEST OF PEARSON TO 5 MILES WEST OF ANTIGO...MOVING
NORTHEAST AT 50 MPH.
LOCATIONS IMPACTED INCLUDE...
CRANDON...TIPLER...PEARSON...FLORENCE...KEMPSTER...DEERBROOK...
NASHVILLE AND ARGONNE.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
SEVERE THUNDERSTORMS PRODUCE DAMAGING WINDS...LARGE HAIL...AND DEADLY
LIGHTNING. FOR YOUR PROTECTION...MOVE TO AN INTERIOR ROOM ON THE
LOWEST FLOOR OF YOUR HOME OR BUSINESS.
IF YOU ARE IN THE PATH OF THIS STORM...PREPARE FOR WINDS OF 60 MPH OR
STRONGER. IF INDOORS...STAY AWAY FROM WINDOWS. IF OUTSIDE...QUICKLY
MOVE TO A STURDY SHELTER.
TORRENTIAL RAINFALL IS ALSO OCCURRING WITH THESE STORMS...AND MAY
LEAD TO FLASH FLOODING. DO NOT DRIVE YOUR VEHICLE THROUGH FLOODED
ROADWAYS.
&&
LAT...LON 4602 8868 4599 8866 4599 8862 4602 8861
4601 8858 4602 8851 4600 8849 4595 8819
4572 8836 4572 8842 4564 8842 4540 8860
4514 8936 4547 8929 4547 8905 4582 8894
4603 8882
TIME...MOT...LOC 0024Z 242DEG 48KT 4619 8850 4599 8856
4575 8884 4542 8916 4518 8922
WIND...HAIL 60MPH <.75IN
$$
KALLAS411
WWUS53 KGRB 210042
SVSGRB
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE GREEN BAY WI
742 PM CDT WED JUN 20 2012
WIC037-041-067-210115-
/O.CON.KGRB.SV.W.0053.000000T0000Z-120621T0115Z/
FLORENCE WI-FOREST WI-LANGLADE WI-
742 PM CDT WED JUN 20 2012
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT FOR NORTHEASTERN
LANGLADE...FOREST AND FLORENCE COUNTIES UNTIL 815 PM CDT...
AT 739 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 9 MILES NORTHWEST OF FLORENCE TO 6 MILES SOUTHEAST OF TIPLER TO
5 MILES SOUTHEAST OF CRANDON TO 6 MILES SOUTH OF PEARSON...MOVING
NORTHEAST AT 50 MPH.
LOCATIONS IMPACTED INCLUDE...
FLORENCE...CAVOUR...LAONA...FENCE...BLACKWELL...WABENO...
COMMONWEALTH AND ARMSTRONG CREEK.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
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 4600 8849 4595 8819 4572 8836 4572 8842
4564 8842 4540 8860 4523 8909 4547 8905
4599 8866 4599 8862 4602 8861 4602 8851
TIME...MOT...LOC 0042Z 242DEG 48KT 4600 8836 4589 8846
4554 8876 4529 8892
WIND...HAIL 60MPH <.75IN
$$
KALLAS057
WWUS53 KGRB 210102
SVSGRB
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE GREEN BAY WI
802 PM CDT WED JUN 20 2012
WIC037-041-067-210112-
/O.CAN.KGRB.SV.W.0053.000000T0000Z-120621T0115Z/
FLORENCE WI-FOREST WI-LANGLADE WI-
802 PM CDT WED JUN 20 2012
...THE SEVERE THUNDERSTORM WARNING FOR NORTHEASTERN LANGLADE...FOREST
AND FLORENCE COUNTIES IS CANCELLED...
THE LINE OF STORMS WHICH PROMPTED THE WARNING HAS WEAKENED BELOW
SEVERE LIMITS...AND NO LONGER POSES AN IMMEDIATE THREAT TO LIFE OR
PROPERTY. HOWEVER...GUSTY WINDS AND HEAVY RAIN ARE STILL POSSIBLE
WITH THESE THUNDERSTORMS.
LAT...LON 4600 8849 4595 8819 4572 8836 4572 8842
4564 8842 4540 8860 4523 8909 4547 8905
4599 8866 4599 8862 4602 8861 4602 8851
TIME...MOT...LOC 0102Z 242DEG 48KT 4588 8827 4581 8849
4539 8870
$$
KALLASNearby
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.