Alert archive / Wisconsin / Severe Thunderstorm Warnings in 2012
Severe Thunderstorm Warning 72, NWS Green Bay, WI
NWS Green Bay, WI issued this severe thunderstorm warning at Jul 26, 2012, 1:21 AM CDT for Calumet County, Manitowoc County, Wisconsin. It was in force for 39 min. No storm report in the archive falls inside the area while it was in force.
The area
The outline as issued.
The facts
- Issued
- Jul 26, 2012, 1:21 AM CDT (06:21 UTC)
- Expired
- Jul 26, 2012, 2:00 AM CDT
- In force
- 39 min
- Issued by
- NWS Green Bay, WI
- Area
- Storm-based polygon
- Hail
- 1.0 in
- Wind
- 60.0 mph
Counties Calumet County, WI, Manitowoc County, WI
The radar
The Green Bay radar (KGRB), 58 km from the middle of the area, began a volume at 06:22 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.
The watch it was issued in
The SPC watch in force over the same counties when this warning went out.
| Issued | Product | Office | Lasted |
|---|---|---|---|
| Jul 25, 6:38 PM CDT | Severe Thunderstorm Watch | SPC | 7 hr |
The nearest sounding before it
Green Bay/Straub, WI (KGRB), launched 00:00Z, 6.4 hours before the alert went out and 56 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
- 2643 J/kg
- Mixed-layer CIN
- -29 J/kg
- Mixed-layer LCL
- 1451 m above ground
- 0-6 km bulk shear
- 38 kt
- 0-1 km storm-relative helicity
- 71 m²/s²
- 0-3 km storm-relative helicity
- 212 m²/s²
- Significant tornado parameter
- 1.2
- Supercell composite
- 16.9
The text
As transmitted, in the capitals the NWS used until 2016.
145
WUUS53 KGRB 260621
SVRGRB
WIC015-071-260700-
/O.NEW.KGRB.SV.W.0072.120726T0621Z-120726T0700Z/
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE GREEN BAY WI
121 AM CDT THU JUL 26 2012
THE NATIONAL WEATHER SERVICE IN GREEN BAY HAS ISSUED A
* SEVERE THUNDERSTORM WARNING FOR...
SOUTHEASTERN CALUMET COUNTY IN EAST CENTRAL WISCONSIN...
SOUTHERN MANITOWOC COUNTY IN EAST CENTRAL WISCONSIN...
* UNTIL 200 AM CDT
* AT 117 AM 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
NEW HOLSTEIN...AND MOVING NORTHEAST AT 30 MPH.
* THE SEVERE THUNDERSTORM WILL BE NEAR...
VALDERS AROUND 145 AM CDT.
MANITOWOC AROUND 200 AM CDT.
OTHER LOCATIONS IMPACTED BY THIS SEVERE THUNDERSTORM INCLUDE
MEGGERS...MILLHOME...STEINTHAL...LOUIS CORNERS...SCHOOL HILL...ST
NAZIANZ...SPRING VALLEY...OSMAN...MADSEN AND NEWTON.
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.
TORRENTIAL RAINFALL IS ALSO OCCURRING WITH THIS STORM...AND MAY LEAD
TO FLASH FLOODING. DO NOT DRIVE YOUR VEHICLE THROUGH FLOODED
ROADWAYS.
&&
LAT...LON 4393 8817 4403 8816 4425 8756 4418 8751
4410 8764 4405 8764 4404 8766 4390 8772
4389 8781 4389 8816
TIME...MOT...LOC 0620Z 244DEG 26KT 4392 8806
WIND...HAIL 60MPH 1.00IN
$$
KIECKBUSCH3 follow-up statements
187
WWUS53 KGRB 260633
SVSGRB
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE GREEN BAY WI
133 AM CDT THU JUL 26 2012
WIC015-260643-
/O.CAN.KGRB.SV.W.0072.000000T0000Z-120726T0700Z/
CALUMET WI-
133 AM CDT THU JUL 26 2012
...THE SEVERE THUNDERSTORM WARNING FOR SOUTHEASTERN CALUMET COUNTY IS
CANCELLED...
THE STORM WHICH PROMPTED THE WARNING HAS MOVED OUT OF THE WARNED
AREA.
LAT...LON 4389 8802 4395 8802 4407 8803 4416 8764
4418 8751 4410 8764 4405 8764 4404 8766
4390 8772 4389 8781
TIME...MOT...LOC 0633Z 244DEG 26KT 4396 8794
$$
WIC071-260700-
/O.CON.KGRB.SV.W.0072.000000T0000Z-120726T0700Z/
MANITOWOC WI-
133 AM CDT THU JUL 26 2012
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT FOR SOUTHERN
MANITOWOC COUNTY UNTIL 200 AM CDT...
AT 131 AM 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 8 MILES
SOUTHWEST OF VALDERS...OR 11 MILES NORTHWEST OF HOWARDS GROVE...
MOVING NORTHEAST AT 30 MPH.
THE SEVERE THUNDERSTORM WILL BE NEAR...
VALDERS AROUND 145 AM CDT.
MANITOWOC AROUND 200 AM CDT.
OTHER LOCATIONS IMPACTED BY THE SEVERE THUNDERSTORM INCLUDE ST
NAZIANZ...SPRING VALLEY...OSMAN...MADSEN...NEWTON...NEWTONBERG...
SILVER LAKE COLLEGE...CLOVER AND KELLNERS CORNERS.
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.
TORRENTIAL RAINFALL IS ALSO OCCURRING WITH THIS STORM...AND MAY LEAD
TO FLASH FLOODING. DO NOT DRIVE YOUR VEHICLE THROUGH FLOODED
ROADWAYS.
&&
LAT...LON 4389 8802 4395 8802 4407 8803 4416 8764
4418 8751 4410 8764 4405 8764 4404 8766
4390 8772 4389 8781
TIME...MOT...LOC 0633Z 244DEG 26KT 4396 8794
WIND...HAIL 60MPH 1.00IN
$$
KIECKBUSCH764
WWUS53 KGRB 260648
SVSGRB
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE GREEN BAY WI
148 AM CDT THU JUL 26 2012
WIC071-260700-
/O.CON.KGRB.SV.W.0072.000000T0000Z-120726T0700Z/
MANITOWOC WI-
148 AM CDT THU JUL 26 2012
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT FOR SOUTHERN
MANITOWOC COUNTY UNTIL 200 AM CDT...
AT 145 AM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
SEVERE THUNDERSTORM CAPABLE OF PRODUCING QUARTER SIZE HAIL...AND
DAMAGING WINDS IN EXCESS OF 60 MPH. THIS STORM WAS LOCATED 5 MILES
SOUTHEAST OF VALDERS...OR 10 MILES SOUTHWEST OF MANITOWOC...MOVING
NORTHEAST AT 30 MPH.
THE SEVERE THUNDERSTORM WILL BE NEAR...
MANITOWOC AROUND 200 AM CDT.
OTHER LOCATIONS IMPACTED BY THE SEVERE THUNDERSTORM INCLUDE NEWTON...
NEWTONBERG...SILVER LAKE COLLEGE...CLOVER AND KELLNERS CORNERS.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
SEVERE THUNDERSTORMS PRODUCE DAMAGING WINDS...LARGE HAIL...AND DEADLY
LIGHTNING. FOR YOUR PROTECTION...MOVE TO AN INTERIOR ROOM ON THE
LOWEST FLOOR OF YOUR HOME OR BUSINESS.
TORRENTIAL RAINFALL IS ALSO OCCURRING WITH THIS STORM...AND MAY LEAD
TO FLASH FLOODING. DO NOT DRIVE YOUR VEHICLE THROUGH FLOODED
ROADWAYS.
&&
LAT...LON 4389 8793 4395 8793 4407 8793 4416 8764
4418 8751 4410 8764 4405 8764 4404 8766
4390 8772 4389 8781
TIME...MOT...LOC 0649Z 244DEG 26KT 4401 8779
WIND...HAIL 60MPH 1.00IN
$$
KIECKBUSCH829
WWUS53 KGRB 260657
SVSGRB
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE GREEN BAY WI
157 AM CDT THU JUL 26 2012
WIC071-260707-
/O.EXP.KGRB.SV.W.0072.000000T0000Z-120726T0700Z/
MANITOWOC WI-
157 AM CDT THU JUL 26 2012
...THE SEVERE THUNDERSTORM WARNING FOR SOUTHERN MANITOWOC COUNTY WILL
EXPIRE AT 200 AM CDT...
THE STORM WHICH PROMPTED THE WARNING HAS WEAKENED BELOW SEVERE
LIMITS...AND NO LONGER POSES AN IMMEDIATE THREAT TO LIFE OR PROPERTY.
HOWEVER...HEAVY RAINFALL...SMALL HAIL AND GUSTY WINDS ARE STILL
POSSIBLE WITH THIS THUNDERSTORM.
LAT...LON 4389 8793 4395 8793 4407 8793 4416 8764
4418 8751 4410 8764 4405 8764 4404 8766
4390 8772 4389 8781
TIME...MOT...LOC 0657Z 244DEG 26KT 4403 8772
$$
KIECKBUSCHThe office that day
Everything else NWS Green Bay, WI issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 25, 7:40 PM CDT | Special Marine Warning | GRB | 80 min | |
| Jul 25, 7:51 PM CDT | Severe Thunderstorm Warning | GRB | Manitowoc | 39 min |
| Jul 26, 1:31 AM CDT | Special Marine Warning | GRB | 47 min | |
| Jul 26, 2:13 PM CDT | Special Marine Warning | GRB | 73 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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.