Alert archive / Wisconsin / Severe Thunderstorm Warnings in 2012
Severe Thunderstorm Warning 98, NWS Green Bay, WI
NWS Green Bay, WI issued this severe thunderstorm warning at Sep 4, 2012, 6:59 PM CDT for Marathon County, Portage County, Wood County, Wisconsin. It was in force for 46 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
- Sep 4, 2012, 6:59 PM CDT (23:59 UTC)
- Expired
- Sep 4, 2012, 7:45 PM CDT
- In force
- 46 min
- Issued by
- NWS Green Bay, WI
- Area
- Storm-based polygon
- Hail
- 1.0 in
- Wind
- 60.0 mph
Counties Marathon County, WI, Portage County, WI, Wood County, WI
The radar
The Green Bay radar (KGRB), 135 km from the middle of the area, began a volume at 00:04 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 |
|---|---|---|---|
| Sep 4, 7:18 PM CDT | HAIL 0.75 | 5 Sw Junction City, WI | |
| Sep 4, 7:30 PM CDT | TSTM WND DMG | Mosinee, WI | LARGE TREE FELL ONTO AND DAMAGED DECK. WIND ESTIMATED NEAR 60 MPH. |
| Sep 4, 7:30 PM CDT | TSTM WND DMG | Rothschild, WI | HIGHWAY SIGN AT HWY 29 AND 51 INTERCHANGE BENT OVER TO GROUND AT BASE...STEEL POSTS. WIND ESTIMATED OVER 60 MPH. |
| Sep 4, 7:35 PM CDT | TSTM WND DMG | 2 Se Evergreen, WI | SEVERAL TREES SNAPPED AND UPROOTED IN TOWN OF KRONENWETTER. |
| Sep 4, 7:35 PM CDT | TSTM WND GST 60 | Plover, 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 |
|---|---|---|---|
| Sep 4, 3:27 PM CDT | Severe Thunderstorm Watch | SPC | 8 hr |
The nearest sounding before it
Green Bay/Straub, WI (KGRB), launched 12:00Z, 12.0 hours before the alert went out and 137 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
- 1547 J/kg
- Mixed-layer CIN
- -10 J/kg
- Mixed-layer LCL
- 496 m above ground
- 0-6 km bulk shear
- 23 kt
- 0-1 km storm-relative helicity
- 12 m²/s²
- 0-3 km storm-relative helicity
- 21 m²/s²
- Significant tornado parameter
- -0.0
- Supercell composite
- -0.0
The text
As transmitted, in the capitals the NWS used until 2016.
855
WUUS53 KGRB 042359
SVRGRB
WIC073-097-141-050045-
/O.NEW.KGRB.SV.W.0098.120904T2359Z-120905T0045Z/
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE GREEN BAY WI
659 PM CDT TUE SEP 4 2012
THE NATIONAL WEATHER SERVICE IN GREEN BAY HAS ISSUED A
* SEVERE THUNDERSTORM WARNING FOR...
CENTRAL MARATHON COUNTY IN CENTRAL WISCONSIN...
WESTERN PORTAGE COUNTY IN CENTRAL WISCONSIN...
WOOD COUNTY IN CENTRAL WISCONSIN...
* UNTIL 745 PM CDT
* AT 655 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
LINE OF SEVERE THUNDERSTORMS CAPABLE OF PRODUCING QUARTER SIZE
HAIL...AND DAMAGING WINDS IN EXCESS OF 60 MPH. THESE STORMS WERE
LOCATED ALONG A LINE EXTENDING FROM 14 MILES NORTHWEST OF RIB
MOUNTAIN TO BABCOCK...AND MOVING EAST AT 35 MPH.
* SEVERE THUNDERSTORMS WILL BE NEAR...
WISCONSIN RAPIDS AROUND 715 PM CDT.
RIB MOUNTAIN AND MOSINEE AROUND 725 PM CDT.
WAUSAU AROUND 730 PM CDT.
WESTON AROUND 735 PM CDT.
STEVENS POINT AND WHITING AROUND 745 PM CDT.
OTHER LOCATIONS IMPACTED BY THESE SEVERE THUNDERSTORMS INCLUDE LITTLE
CHICAGO...SHERRY...MARATHON CITY...HALDER...BLENKER...BIG EAU PLEINE
COUNTY PARK...MILLADORE...NEKOOSA...MOON AND RUDOLPH.
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 4504 9009 4511 8931 4424 8948 4424 8965
4425 9022
TIME...MOT...LOC 2359Z 270DEG 22KT 4502 8988 4432 9001
WIND...HAIL 60MPH 1.00IN
$$
EB4 follow-up statements
220 WWUS53 KGRB 050011 SVSGRB SEVERE WEATHER STATEMENT NATIONAL WEATHER SERVICE GREEN BAY WI 711 PM CDT TUE SEP 4 2012 WIC073-097-141-050045- /O.CON.KGRB.SV.W.0098.000000T0000Z-120905T0045Z/ MARATHON WI-PORTAGE WI-WOOD WI- 711 PM CDT TUE SEP 4 2012 ...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT FOR EASTERN WOOD...WESTERN PORTAGE AND CENTRAL MARATHON COUNTIES UNTIL 745 PM CDT... AT 708 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A LINE OF SEVERE THUNDERSTORMS CAPABLE OF PRODUCING DAMAGING WINDS IN EXCESS OF 65 MPH. THESE STORMS WERE LOCATED ALONG A LINE EXTENDING FROM 7 MILES NORTHWEST OF WAUSAU TO NEW ROME...MOVING EAST AT 35 MPH. SEVERE THUNDERSTORMS WILL BE NEAR... WISCONSIN RAPIDS AND RIB MOUNTAIN AROUND 720 PM CDT. WAUSAU AND MOSINEE AROUND 725 PM CDT. WESTON AROUND 730 PM CDT. STEVENS POINT...WHITING AND BEVENT AROUND 745 PM CDT. OTHER LOCATIONS IMPACTED BY SEVERE THUNDERSTORMS INCLUDE NEKOOSA... MOON...RUDOLPH...RIB MOUNTAIN STATE PARK...PORT EDWARDS...JUNCTION CITY...BROKAW...KNOWLTON...EVERGREEN AND DANCY. PRECAUTIONARY/PREPAREDNESS ACTIONS... SEVERE THUNDERSTORMS PRODUCE DAMAGING WINDS...LARGE HAIL...AND DEADLY LIGHTNING. FOR YOUR PROTECTION...MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR OF YOUR HOME OR BUSINESS. && LAT...LON 4505 8996 4511 8931 4425 8948 4425 9011 TIME...MOT...LOC 0010Z 270DEG 22KT 4500 8974 4429 8993 WIND...HAIL 60MPH 1.00IN $$ EB
315
WWUS53 KGRB 050023
SVSGRB
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE GREEN BAY WI
723 PM CDT TUE SEP 4 2012
WIC073-097-141-050045-
/O.CON.KGRB.SV.W.0098.000000T0000Z-120905T0045Z/
MARATHON WI-PORTAGE WI-WOOD WI-
723 PM CDT TUE SEP 4 2012
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT FOR EASTERN
WOOD...WESTERN PORTAGE AND CENTRAL MARATHON COUNTIES UNTIL 745 PM
CDT...
AT 717 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
LINE OF SEVERE THUNDERSTORMS CAPABLE OF PRODUCING DAMAGING WINDS IN
EXCESS OF 65 MPH. THESE STORMS WERE LOCATED ALONG A LINE EXTENDING
FROM WAUSAU TO NEW ROME...MOVING EAST AT 25 MPH. PENNY SIZE HAIL MAY
ALSO ACCOMPANY THESE DAMAGING WINDS.
SEVERE THUNDERSTORMS WILL BE NEAR...
WESTON...EVERGREEN AND MOSINEE BY AROUND 735 PM CDT.
STEVENS POINT...WHITING AND BEVENT AROUND 745 PM CDT.
OTHER LOCATIONS IMPACTED BY SEVERE THUNDERSTORMS INCLUDE PEPLIN...
SCHOFIELD...ROTHSCHILD...NUTTERVILLE...ROCKY CORNERS...KELLNER...
DEWEY MARSH WILDLIFE AREA...MEEHAN...SUNSET AND PARK RIDGE.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
THIS LINE OF STORMS HAVE EXHIBITED SOME EMBEDDED 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.
&&
LAT...LON 4455 8994 4485 8987 4489 8995 4501 8995
4510 8931 4425 8948 4425 9001
TIME...MOT...LOC 0021Z 270DEG 22KT 4500 8964 4429 8984
WIND...HAIL 70MPH 0.75IN
$$
EB914
WWUS53 KGRB 050031
SVSGRB
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE GREEN BAY WI
731 PM CDT TUE SEP 4 2012
WIC073-097-141-050045-
/O.CON.KGRB.SV.W.0098.000000T0000Z-120905T0045Z/
MARATHON WI-PORTAGE WI-WOOD WI-
731 PM CDT TUE SEP 4 2012
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT FOR SOUTHEASTERN
WOOD...WESTERN PORTAGE AND CENTRAL MARATHON COUNTIES UNTIL 745 PM
CDT...
AT 730 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
LINE OF SEVERE THUNDERSTORMS CAPABLE OF PRODUCING QUARTER SIZE
HAIL...AND DESTRUCTIVE WINDS IN EXCESS OF 70 MPH. THESE STORMS WERE
LOCATED ALONG A LINE EXTENDING FROM WAUSAU TO 5 MILES NORTHEAST OF
NEW ROME...MOVING EAST AT 25 MPH.
THE MOST INTENSE PART OF THIS LINE IS LOCATED JUST SOUTH OF WAUSAU
AND WILL AFFECT COMMUNITIES INCLUDING WESTON BY 736 PM CDT AND
RINGLE BY 740 PM CDT.
SEVERE THUNDERSTORMS WILL ALSO AFFECT...
STEVENS POINT...WHITING AND BEVENT AROUND 745 PM CDT.
OTHER LOCATIONS IMPACTED BY SEVERE THUNDERSTORMS INCLUDE
NUTTERVILLE...ROCKY CORNERS...KELLNER...DEWEY MARSH WILDLIFE AREA...
MEEHAN...SUNSET...PARK RIDGE...RINGLE...PLOVER AND CODDINGTON.
THIS IS A DANGEROUS STORM.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
THIS STORM HAS EXHIBITED SOME WEAK ROTATION. TORNADOES CAN DEVELOP
QUICKLY FROM SEVERE THUNDERSTORMS. ALTHOUGH ONE IS NOT IMMEDIATELY
LIKELY...IF A TORNADO IS SPOTTED...ACT QUICKLY AND MOVE TO A PLACE OF
SAFETY INSIDE A STURDY STRUCTURE... SUCH AS A BASEMENT OR SMALL
INTERIOR ROOM.
&&
LAT...LON 4425 8991 4454 8984 4483 8981 4490 8988
4499 8987 4510 8931 4425 8948
TIME...MOT...LOC 0027Z 270DEG 22KT 4500 8959 4429 8979
WIND...HAIL 70MPH 1.00IN
$$
EB719
WWUS53 KGRB 050043
SVSGRB
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE GREEN BAY WI
743 PM CDT TUE SEP 4 2012
WIC073-097-141-050051-
/O.EXP.KGRB.SV.W.0098.000000T0000Z-120905T0045Z/
MARATHON WI-PORTAGE WI-WOOD WI-
743 PM CDT TUE SEP 4 2012
...THE SEVERE THUNDERSTORM WARNING FOR SOUTHEASTERN WOOD...WESTERN
PORTAGE AND CENTRAL MARATHON COUNTIES HAS EXPIRED...
THE LINE OF STORMS WHICH PROMPTED THE WARNING HAS MOVED OUT OF THE
WARNED AREA. A NEW WARNING HAS BEEN ISSUED FOR PORTIONS OF PORTAGE
AND MARATHON COUNTIES
TO REPORT SEVERE WEATHER...CONTACT YOUR NEAREST LAW ENFORCEMENT
AGENCY. THEY WILL RELAY YOUR REPORT TO THE NATIONAL WEATHER SERVICE
IN GREEN BAY.
LAT...LON 4425 8991 4454 8984 4483 8981 4490 8988
4499 8987 4510 8931 4425 8948
TIME...MOT...LOC 0041Z 270DEG 22KT 4500 8947 4429 8967
$$
KALLASThe office that day
Everything else NWS Green Bay, WI issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Sep 3, 8:45 PM CDT | Special Marine Warning | GRB | 31 min | |
| Sep 4, 6:26 PM CDT | Severe Thunderstorm Warning | GRB | Marathon, Wood | 36 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.