Alert archive / Wisconsin / Severe Thunderstorm Warnings in 2012
Severe Thunderstorm Warning 91, NWS Green Bay, WI
NWS Green Bay, WI issued this severe thunderstorm warning at Aug 1, 2012, 5:20 PM CDT for Oneida County, Vilas County, Wisconsin. It was in force for 40 min. 2 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 1, 2012, 5:20 PM CDT (22:20 UTC)
- Expired
- Aug 1, 2012, 6:00 PM CDT
- In force
- 40 min
- Issued by
- NWS Green Bay, WI
- Area
- Storm-based polygon
- Hail
- 1.0 in
- Wind
- 60.0 mph
Counties Oneida County, WI, Vilas County, WI
The radar
The Marquette radar (KMQT), 189 km from the middle of the area, began a volume at 22:21 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 1, 5:35 PM CDT | HAIL 0.5 | Lac Du Flambeau, WI | |
| Aug 1, 5:35 PM CDT | HAIL 1.75 | Lac Du Flambeau, WI | DIME TO GOLF BALL SIZE HAIL. REPORT RELAYED BY MJFW. |
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 |
|---|---|---|---|
| Aug 1, 2:19 PM CDT | Severe Thunderstorm Watch | SPC | 4 hr |
The nearest sounding before it
Green Bay/Straub, WI (KGRB), launched 12:00Z, 10.3 hours before the alert went out and 215 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
- 0 J/kg
- Mixed-layer CIN
- No buoyant parcel
- Mixed-layer LCL
- 1165 m above ground
- 0-6 km bulk shear
- 32 kt
- 0-1 km storm-relative helicity
- 70 m²/s²
- 0-3 km storm-relative helicity
- 110 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.1
The text
As transmitted, in the capitals the NWS used until 2016.
740
WUUS53 KGRB 012220
SVRGRB
WIC085-125-012300-
/O.NEW.KGRB.SV.W.0091.120801T2220Z-120801T2300Z/
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE GREEN BAY WI
520 PM CDT WED AUG 1 2012
THE NATIONAL WEATHER SERVICE IN GREEN BAY HAS ISSUED A
* SEVERE THUNDERSTORM WARNING FOR...
NORTH CENTRAL ONEIDA COUNTY IN NORTH CENTRAL WISCONSIN...
SOUTHWESTERN VILAS COUNTY IN NORTH CENTRAL WISCONSIN...
* UNTIL 600 PM CDT
* AT 518 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
SEVERE THUNDERSTORM CAPABLE OF PRODUCING QUARTER SIZE HAIL...AND
DAMAGING WINDS IN EXCESS OF 60 MPH. THIS STORM WAS LOCATED 7 MILES
WEST OF LAC DU FLAMBEAU...OR 20 MILES EAST OF PARK FALLS...AND
MOVING EAST AT 30 MPH.
* LOCATIONS IMPACTED INCLUDE...
LAC DU FLAMBEAU...WOODRUFF...MINOCQUA...ARBOR VITAE...ST GERMAIN...
LAKE TOMAHAWK AND SAYNER.
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.
&&
LAT...LON 4599 9004 4599 8994 4604 8994 4605 8993
4598 8933 4574 8942 4591 9005 4598 9005
TIME...MOT...LOC 2220Z 285DEG 28KT 4598 9000
WIND...HAIL 60MPH 1.00IN
$$
MPC3 follow-up statements
936
WWUS53 KGRB 012233
SVSGRB
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE GREEN BAY WI
533 PM CDT WED AUG 1 2012
WIC085-125-012300-
/O.CON.KGRB.SV.W.0091.000000T0000Z-120801T2300Z/
ONEIDA WI-VILAS WI-
533 PM CDT WED AUG 1 2012
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT FOR SOUTHWESTERN
VILAS AND NORTH CENTRAL ONEIDA COUNTIES UNTIL 600 PM CDT...
AT 530 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
SEVERE THUNDERSTORM CAPABLE OF PRODUCING QUARTER SIZE HAIL...AND
DAMAGING WINDS IN EXCESS OF 60 MPH. THIS STORM WAS LOCATED NEAR LAC
DU FLAMBEAU...OR 27 MILES EAST OF PARK FALLS...MOVING EAST AT 30 MPH.
LOCATIONS IMPACTED INCLUDE...
WOODRUFF...MINOCQUA...ARBOR VITAE...SAYNER...ST GERMAIN AND LAKE
TOMAHAWK.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
SEVERE THUNDERSTORMS PRODUCE DAMAGING WINDS...LARGE HAIL...AND DEADLY
LIGHTNING. FOR YOUR PROTECTION...MOVE TO AN INTERIOR ROOM ON THE
LOWEST FLOOR OF YOUR HOME OR BUSINESS.
&&
LAT...LON 4599 9004 4599 8994 4604 8994 4605 8993
4598 8933 4574 8942 4591 9005 4598 9005
TIME...MOT...LOC 2233Z 285DEG 28KT 4595 8986
WIND...HAIL 60MPH 1.00IN
$$
MPC594
WWUS53 KGRB 012243
SVSGRB
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE GREEN BAY WI
543 PM CDT WED AUG 1 2012
WIC085-125-012300-
/O.CON.KGRB.SV.W.0091.000000T0000Z-120801T2300Z/
ONEIDA WI-VILAS WI-
543 PM CDT WED AUG 1 2012
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT FOR SOUTHWESTERN
VILAS AND NORTH CENTRAL ONEIDA COUNTIES UNTIL 600 PM CDT...
AT 539 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
SEVERE THUNDERSTORM CAPABLE OF PRODUCING QUARTER SIZE HAIL...AND
DAMAGING WINDS IN EXCESS OF 60 MPH. THIS STORM WAS LOCATED NEAR LAC
DU FLAMBEAU...OR 26 MILES WEST OF EAGLE RIVER...MOVING EAST AT 30
MPH.
LOCATIONS IMPACTED INCLUDE...
WOODRUFF...MINOCQUA...ARBOR VITAE.
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.
&&
LAT...LON 4591 8994 4599 8995 4599 8994 4600 8994
4603 8990 4599 8938 4598 8933 4574 8942
TIME...MOT...LOC 2243Z 285DEG 28KT 4593 8975
WIND...HAIL 60MPH 1.00IN
$$
MPC608
WWUS53 KGRB 012301
SVSGRB
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE GREEN BAY WI
601 PM CDT WED AUG 1 2012
WIC085-125-012311-
/O.EXP.KGRB.SV.W.0091.000000T0000Z-120801T2300Z/
ONEIDA WI-VILAS WI-
601 PM CDT WED AUG 1 2012
...THE SEVERE THUNDERSTORM WARNING FOR SOUTHWESTERN VILAS AND NORTH
CENTRAL ONEIDA COUNTIES IS BEING REISSUED...
PLEASE REFER TO THAT BULLETIN FOR THE LATEST SEVERE WEATHER
INFORMATION. HOWEVER SMALL HAIL IS STILL POSSIBLE WITH THIS
THUNDERSTORM.
REMEMBER...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT FOR
SOUTHERN VILAS AND NORTHERN ONEIDA COUNTIES UNTIL 645 PM.
LAT...LON 4591 8994 4599 8995 4599 8994 4600 8994
4603 8990 4599 8938 4598 8933 4574 8942
TIME...MOT...LOC 2243Z 285DEG 28KT 4593 8975
$$
MPCThe office that day
Everything else NWS Green Bay, WI issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 1, 12:38 PM CDT | Severe Thunderstorm Warning | GRB | Vilas | 52 min |
| Aug 1, 2:19 PM CDT | Severe Thunderstorm Warning | GRB | Lincoln | 41 min |
| Aug 1, 2:58 PM CDT | Severe Thunderstorm Warning | GRB | Langlade | 21 min |
| Aug 1, 6:00 PM CDT | Severe Thunderstorm Warning | GRB | Oneida, Vilas | 25 min |
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.