Alert archive / Wisconsin / Severe Thunderstorm Warnings in 2012
Severe Thunderstorm Warning 92, NWS Green Bay, WI
NWS Green Bay, WI issued this severe thunderstorm warning at Aug 1, 2012, 6:00 PM CDT for Oneida County, Vilas County, Wisconsin. It was in force for 25 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
- Aug 1, 2012, 6:00 PM CDT (23:00 UTC)
- Expired
- Aug 1, 2012, 6:25 PM CDT
- In force
- 25 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), 160 km from the middle of the area, began a volume at 23:04 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, 6:12 PM CDT | HAIL 0.5 | St Germain, WI | SHERRIF REPORTS VARYING SIZE HAIL WITH BIGGEST HAIL OF 1/2 INCH. |
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, 11.0 hours before the alert went out and 193 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.
835 WUUS53 KGRB 012300 SVRGRB WIC085-125-012345- /O.NEW.KGRB.SV.W.0092.120801T2300Z-120801T2345Z/ BULLETIN - IMMEDIATE BROADCAST REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE GREEN BAY WI 600 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... SOUTHERN VILAS COUNTY IN NORTH CENTRAL WISCONSIN... * UNTIL 645 PM CDT * AT 556 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 10 MILES EAST OF LAC DU FLAMBEAU...OR 20 MILES WEST OF EAGLE RIVER... AND MOVING EAST AT 25 MPH. AT 535 PM...GOLF BALL SIZED HAIL WAS REPORTED IN LAC DU FLAMBEAU WITH THIS STORM. * LOCATIONS IMPACTED INCLUDE... EAGLE RIVER AND ST GERMAIN. 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 4598 8921 4581 8928 4591 8977 4601 8975 TIME...MOT...LOC 2300Z 279DEG 21KT 4594 8964 WIND...HAIL 60MPH 1.00IN $$ MPC
2 follow-up statements
937 WWUS53 KGRB 012311 SVSGRB SEVERE WEATHER STATEMENT NATIONAL WEATHER SERVICE GREEN BAY WI 611 PM CDT WED AUG 1 2012 WIC085-125-012345- /O.CON.KGRB.SV.W.0092.000000T0000Z-120801T2345Z/ ONEIDA WI-VILAS WI- 611 PM CDT WED AUG 1 2012 ...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT FOR SOUTH CENTRAL VILAS AND NORTH CENTRAL ONEIDA COUNTIES UNTIL 645 PM CDT... AT 609 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A SEVERE THUNDERSTORM CAPABLE OF PRODUCING QUARTER SIZE HAIL...AND DAMAGING WINDS IN EXCESS OF 60 MPH. THIS STORM WAS LOCATED 13 MILES SOUTH OF BOULDER JUNCTION...OR 15 MILES WEST OF EAGLE RIVER...MOVING EAST AT 25 MPH. LOCATIONS IMPACTED INCLUDE... EAGLE RIVER AND ST GERMAIN. PRECAUTIONARY/PREPAREDNESS ACTIONS... SEVERE THUNDERSTORMS PRODUCE DAMAGING WINDS...LARGE HAIL...AND DEADLY LIGHTNING. FOR YOUR PROTECTION...MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR OF YOUR HOME OR BUSINESS. && LAT...LON 4590 8961 4599 8960 4598 8921 4581 8928 TIME...MOT...LOC 2311Z 279DEG 21KT 4593 8955 WIND...HAIL 60MPH 1.00IN $$ MPC
977 WWUS53 KGRB 012325 SVSGRB SEVERE WEATHER STATEMENT NATIONAL WEATHER SERVICE GREEN BAY WI 625 PM CDT WED AUG 1 2012 WIC085-125-012335- /O.CAN.KGRB.SV.W.0092.000000T0000Z-120801T2345Z/ ONEIDA WI-VILAS WI- 625 PM CDT WED AUG 1 2012 ...THE SEVERE THUNDERSTORM WARNING FOR SOUTH CENTRAL VILAS AND NORTH CENTRAL ONEIDA COUNTIES IS CANCELLED... THE STORM WHICH PROMPTED THE WARNING HAS WEAKENED ACROSS THE WARNED AREA. LAT...LON 4590 8961 4599 8960 4598 8921 4581 8928 TIME...MOT...LOC 2325Z 279DEG 21KT 4592 8943 $$ MPC
The 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, 5:20 PM CDT | Severe Thunderstorm Warning | GRB | Oneida, Vilas | 40 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.