Alert archive / Wisconsin / Severe Thunderstorm Warnings in 2012
Severe Thunderstorm Warning 34, NWS Green Bay, WI
NWS Green Bay, WI issued this severe thunderstorm warning at Jun 18, 2012, 2:28 PM CDT for 4 counties in Wisconsin. It was in force for 47 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 18, 2012, 2:28 PM CDT (19:28 UTC)
- Expired
- Jun 18, 2012, 3:15 PM CDT
- In force
- 47 min
- Issued by
- NWS Green Bay, WI
- Area
- Storm-based polygon
- Hail
- 1.0 in
- Wind
- 60.0 mph
Counties Forest County, WI, Langlade County, WI, Lincoln County, WI, Oconto County, WI
The radar
The Green Bay radar (KGRB), 120 km from the middle of the area, began a volume at 19:30 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 18, 2:45 PM CDT | HAIL 1.75 | Summit Lake, WI |
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 |
|---|---|---|---|
| Jun 18, 12:24 PM CDT | Severe Thunderstorm Watch | SPC | 8 hr |
The nearest sounding before it
Green Bay/Straub, WI (KGRB), launched 12:00Z, 7.5 hours before the alert went out and 122 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
- 67 J/kg
- Mixed-layer CIN
- -387 J/kg
- Mixed-layer LCL
- 1455 m above ground
- 0-6 km bulk shear
- 42 kt
- 0-1 km storm-relative helicity
- 382 m²/s²
- 0-3 km storm-relative helicity
- 524 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.7
The text
As transmitted, in the capitals the NWS used until 2016.
817 WUUS53 KGRB 181928 SVRGRB WIC041-067-069-083-182015- /O.NEW.KGRB.SV.W.0034.120618T1928Z-120618T2015Z/ BULLETIN - IMMEDIATE BROADCAST REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE GREEN BAY WI 228 PM CDT MON JUN 18 2012 THE NATIONAL WEATHER SERVICE IN GREEN BAY HAS ISSUED A * SEVERE THUNDERSTORM WARNING FOR... SOUTHERN FOREST COUNTY IN NORTHEAST WISCONSIN... NORTHERN LANGLADE COUNTY IN NORTH CENTRAL WISCONSIN... SOUTHEASTERN LINCOLN COUNTY IN NORTH CENTRAL WISCONSIN... NORTHERN OCONTO COUNTY IN NORTHEAST WISCONSIN... * UNTIL 315 PM CDT * AT 226 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 6 MILES SOUTH OF PARRISH...OR 18 MILES NORTHWEST OF ANTIGO...AND MOVING EAST AT 45 MPH. * LOCATIONS IMPACTED INCLUDE... PEARSON...CARTER...DEERBROOK...SUMMIT LAKE...KEMPSTER...ELCHO... NEVA AND POST LAKE. 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 4555 8855 4531 8850 4513 8969 4533 8974 TIME...MOT...LOC 1929Z 260DEG 39KT 4533 8937 WIND...HAIL 60MPH 1.00IN $$ MPC
4 follow-up statements
643 WWUS53 KGRB 181943 SVSGRB SEVERE WEATHER STATEMENT NATIONAL WEATHER SERVICE GREEN BAY WI 243 PM CDT MON JUN 18 2012 WIC041-067-069-083-182015- /O.CON.KGRB.SV.W.0034.000000T0000Z-120618T2015Z/ FOREST WI-LANGLADE WI-LINCOLN WI-OCONTO WI- 243 PM CDT MON JUN 18 2012 ...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT FOR EXTREME NORTHERN OCONTO...SOUTHEASTERN LINCOLN...NORTHERN LANGLADE AND SOUTHERN FOREST COUNTIES UNTIL 315 PM CDT... AT 239 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A SEVERE THUNDERSTORM CAPABLE OF PRODUCING QUARTER SIZE HAIL...AND DAMAGING WINDS IN EXCESS OF 60 MPH. THIS STORM WAS LOCATED 10 MILES WEST OF PEARSON...OR 13 MILES NORTH OF ANTIGO...MOVING EAST AT 45 MPH. LOCATIONS IMPACTED INCLUDE... PEARSON...CARTER...POST LAKE...PICKEREL...LILY...WABENO...TOWNSEND AND BLACKWELL. PRECAUTIONARY/PREPAREDNESS ACTIONS... SEVERE THUNDERSTORMS PRODUCE DAMAGING WINDS...LARGE HAIL...AND DEADLY LIGHTNING. FOR YOUR PROTECTION...MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR OF YOUR HOME OR BUSINESS. && LAT...LON 4555 8855 4531 8850 4513 8969 4533 8974 TIME...MOT...LOC 1944Z 264DEG 41KT 4533 8913 WIND...HAIL 60MPH 1.00IN $$ MPC
582 WWUS53 KGRB 181952 SVSGRB SEVERE WEATHER STATEMENT NATIONAL WEATHER SERVICE GREEN BAY WI 252 PM CDT MON JUN 18 2012 WIC041-067-069-083-182015- /O.CON.KGRB.SV.W.0034.000000T0000Z-120618T2015Z/ FOREST WI-LANGLADE WI-LINCOLN WI-OCONTO WI- 252 PM CDT MON JUN 18 2012 ...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT FOR EXTREME NORTHERN OCONTO...SOUTHEASTERN LINCOLN...NORTHERN LANGLADE AND SOUTHERN FOREST COUNTIES UNTIL 315 PM CDT... AT 248 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A SEVERE THUNDERSTORM CAPABLE OF PRODUCING PING PONG BALL SIZE HAIL... AND DAMAGING WINDS IN EXCESS OF 60 MPH. THIS STORM WAS LOCATED NEAR PEARSON...OR 13 MILES NORTH OF ANTIGO...MOVING EAST AT 45 MPH. IN ADDITION...AT 250 PM...GOLF BALL SIZE HAIL WAS REPORTED AT SUMMIT LAKE WITH THIS STORM. LOCATIONS IMPACTED INCLUDE... CARTER...PICKEREL...LILY...WABENO...TOWNSEND AND BLACKWELL. 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 4532 8974 4555 8855 4531 8850 4513 8969 TIME...MOT...LOC 1952Z 264DEG 41KT 4534 8900 WIND...HAIL 60MPH 1.50IN $$ MPC
604 WWUS53 KGRB 182001 SVSGRB SEVERE WEATHER STATEMENT NATIONAL WEATHER SERVICE GREEN BAY WI 301 PM CDT MON JUN 18 2012 WIC041-067-069-083-182015- /O.CON.KGRB.SV.W.0034.000000T0000Z-120618T2015Z/ FOREST WI-LANGLADE WI-LINCOLN WI-OCONTO WI- 301 PM CDT MON JUN 18 2012 ...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT FOR EXTREME NORTHERN OCONTO...SOUTHEASTERN LINCOLN...NORTHERN LANGLADE AND SOUTH CENTRAL FOREST COUNTIES UNTIL 315 PM CDT... AT 256 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A SEVERE THUNDERSTORM CAPABLE OF PRODUCING QUARTER SIZE HAIL...AND DAMAGING WINDS IN EXCESS OF 60 MPH. THIS STORM WAS LOCATED NEAR PEARSON...OR 15 MILES SOUTH OF CRANDON...MOVING EAST AT 45 MPH. LOCATIONS IMPACTED INCLUDE... CARTER...WABENO...TOWNSEND AND BLACKWELL. PRECAUTIONARY/PREPAREDNESS ACTIONS... THIS STORM HAS EXHIBITED SOME WEAK ROTATION. TORNADOES CAN DEVELOP QUICKLY FROM SEVERE THUNDERSTORMS. ALTHOUGH ONE IS NOT IMMEDIATELY LIKELY...IF A TORNADO IS SPOTTED...ACT QUICKLY AND MOVE TO A PLACE OF SAFETY INSIDE A STURDY STRUCTURE... SUCH AS A BASEMENT OR SMALL INTERIOR ROOM. DUE TO THE NATURE OF THESE DANGEROUS STORMS...THEY ARE CAPABLE OF PRODUCING ALL TYPES OF SEVERE WEATHER...INCLUDING EXTREMELY LARGE HAIL...DESTRUCTIVE STRAIGHT LINE WINDS AND POSSIBLY TORNADOES. BE PREPARED TO ACT QUICKLY SHOULD A TORNADO OCCUR OR A TORNADO WARNING BE ISSUED. && LAT...LON 4530 8960 4555 8855 4531 8850 4513 8969 TIME...MOT...LOC 2001Z 264DEG 41KT 4535 8885 WIND...HAIL 60MPH 1.00IN $$ MPC
412 WWUS53 KGRB 182013 RRA SVSGRB SEVERE WEATHER STATEMENT NATIONAL WEATHER SERVICE GREEN BAY WI 313 PM CDT MON JUN 18 2012 WIC041-067-069-083-182023- /O.EXP.KGRB.SV.W.0034.000000T0000Z-120618T2015Z/ FOREST WI-LANGLADE WI-LINCOLN WI-OCONTO WI- 313 PM CDT MON JUN 18 2012 ...THE SEVERE THUNDERSTORM WARNING FOR EXTREME NORTHERN OCONTO... SOUTHEASTERN LINCOLN...NORTHERN LANGLADE AND SOUTH CENTRAL FOREST COUNTIES WILL EXPIRE AT 315 PM CDT... THE STORM WHICH PROMPTED THE WARNING HAS WEAKENED BELOW SEVERE LIMITS...AND NO LONGER POSES AN IMMEDIATE THREAT TO LIFE OR PROPERTY. HOWEVER GUSTY WINDS ARE STILL POSSIBLE WITH THIS THUNDERSTORM. IN ADDITION...STRONG THUNDERSTORMS MAY REDEVELOP...AND A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL 8 PM. LAT...LON 4530 8960 4555 8855 4531 8850 4513 8969 TIME...MOT...LOC 2013Z 264DEG 41KT 4536 8866 $$ MPC
The office that day
Everything else NWS Green Bay, WI issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 18, 4:03 AM CDT | Special Marine Warning | GRB | 87 min | |
| Jun 18, 1:34 PM CDT | Severe Thunderstorm Warning | GRB | Langlade, Lincoln, Oneida | 56 min |
| Jun 18, 2:14 PM CDT | Severe Thunderstorm Warning | GRB | Lincoln, Marathon | 46 min |
| Jun 18, 2:58 PM CDT | Severe Thunderstorm Warning | GRB | Marathon | 47 min |
| Jun 18, 3:22 PM CDT | Tornado Warning | GRB | Marathon | 23 min |
| Jun 18, 3:28 PM CDT | Severe Thunderstorm Warning | GRB | Menominee, Portage, Shawano, Waupaca | 47 min |
| Jun 18, 3:41 PM CDT | Tornado Warning | GRB | Langlade, Marathon, Menominee, Shawano | 34 min |
| Jun 18, 3:44 PM CDT | Severe Thunderstorm Warning | GRB | Marinette | 31 min |
| Jun 18, 3:47 PM CDT | Special Marine Warning | GRB | 88 min | |
| Jun 18, 3:48 PM CDT | Severe Thunderstorm Warning | GRB | Marathon, Shawano | 42 min |
| Jun 18, 3:55 PM CDT | Severe Thunderstorm Warning | GRB | Outagamie, Portage, Shawano, Waupaca | 41 min |
| Jun 18, 3:58 PM CDT | Severe Thunderstorm Warning | GRB | Marinette, Oconto | 47 min |
| Jun 18, 4:07 PM CDT | Severe Thunderstorm Warning | GRB | Langlade, Menominee, Shawano | 20 min |
| Jun 18, 4:19 PM CDT | Tornado Warning | GRB | Marinette, Oconto | 26 min |
| Jun 18, 4:45 PM CDT | Special Marine Warning | GRB | 90 min | |
| Jun 18, 4:51 PM CDT | Severe Thunderstorm Warning | GRB | Calumet, Winnebago | 39 min |
| Jun 18, 5:12 PM CDT | Special Marine Warning | GRB | 75 min | |
| Jun 18, 5:30 PM CDT | Severe Thunderstorm Warning | GRB | Brown, Calumet, Manitowoc, Outagamie, Winnebago | 45 min |
| Jun 18, 5:31 PM CDT | Special Marine Warning | GRB | 89 min | |
| Jun 18, 6:08 PM CDT | Severe Thunderstorm Warning | GRB | Calumet, Manitowoc, Winnebago | 37 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.