Alert archive / Wisconsin / Severe Thunderstorm Warnings in 2012

Severe Thunderstorm Warning 80, NWS Milwaukee, WI

August 16, 2012Marquette County, Wisconsin

NWS Milwaukee, WI issued this severe thunderstorm warning at Aug 16, 2012, 3:12 AM CDT for Marquette County, Wisconsin. It was in force for 63 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 16, 2012, 3:12 AM CDT (08:12 UTC)
Expired
Aug 16, 2012, 4:15 AM CDT
In force
63 min
Issued by
NWS Milwaukee, WI
Area
Storm-based polygon
Hail
1.0 in
Wind
60.0 mph

County Marquette County, WI

What was reported inside it

TimeReportWhereRemark
Aug 16, 3:29 AM CDTTSTM WND DMG4 Sse Brooks, WITREES DOWN.
Aug 16, 3:45 AM CDTTSTM WND DMGWestfield, WITREE DOWN ON ELK ROAD IN THE TOWNSHIP OF WESTFIELD. TIME ESTIMATED.

Local storm reports filed while the alert was in force, from inside its polygon or its counties.

The nearest sounding before it

Green Bay/Straub, WI (KGRB), launched 00:00Z, 8.2 hours before the alert went out and 118 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.

Skew-T log-pSkew-T log-p diagram, Green Bay/Straub, WI at 00:00Z on 2012-08-16Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 579 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Green Bay/Straub, WI at 00:00Z on 2012-08-16The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 138 square meters per square second.193958Sfc1 km3 km6 km9 kmRMLM
The wind turning with height, colored by layer: ground to 1 km, 1 to 3 km, 3 to 6 km, 6 to 10 km.
Mixed-layer CAPE
579 J/kg
Mixed-layer CIN
-21 J/kg
Mixed-layer LCL
1134 m above ground
0-6 km bulk shear
35 kt
0-1 km storm-relative helicity
138 m²/s²
0-3 km storm-relative helicity
275 m²/s²
Significant tornado parameter
0.3
Supercell composite
2.8

Open this sounding in Storm Lab

The text

As transmitted, in the capitals the NWS used until 2016.

925 
WUUS53 KMKX 160812
SVRMKX
WIC077-160915-
/O.NEW.KMKX.SV.W.0080.120816T0812Z-120816T0915Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE MILWAUKEE/SULLIVAN WI
312 AM CDT THU AUG 16 2012

THE NATIONAL WEATHER SERVICE IN SULLIVAN HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  MARQUETTE COUNTY IN SOUTH CENTRAL WISCONSIN...

* UNTIL 415 AM CDT

* AT 310 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 10
  MILES SOUTH OF ADAMS...OR 11 MILES SOUTH OF FRIENDSHIP...AND MOVING
  EAST AT 35 MPH.

* THE SEVERE THUNDERSTORM WILL BE NEAR...
  WESTFIELD AROUND 335 AM CDT.
  MONTELLO AROUND 350 AM CDT.

OTHER LOCATIONS IMPACTED BY THIS SEVERE THUNDERSTORM INCLUDE
OXFORD...LAWRENCE...PACKWAUKEE...HARRISVILLE AND GLEN OAK.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

SEVERE THUNDERSTORMS PRODUCE DAMAGING WIND IN EXCESS OF 60 MILES PER
HOUR...DESTRUCTIVE HAIL...DEADLY LIGHTNING...AND VERY HEAVY RAIN. FOR
YOUR PROTECTION MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR OF YOUR
HOME OR BUSINESS. HEAVY RAINS FLOOD ROADS QUICKLY SO DO NOT DRIVE
INTO AREAS WHERE WATER COVERS THE ROAD.

&&

LAT...LON 4388 8917 4387 8920 4380 8919 4381 8917
      4377 8917 4377 8924 4364 8925 4364 8960
      4398 8960 4399 8917
TIME...MOT...LOC 0812Z 266DEG 32KT 4381 8980
WIND...HAIL 60MPH 1.00IN

$$

GEHRING
4 follow-up statements
147 
WWUS53 KMKX 160827
SVSMKX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE MILWAUKEE/SULLIVAN WI
327 AM CDT THU AUG 16 2012

WIC077-160915-
/O.CON.KMKX.SV.W.0080.000000T0000Z-120816T0915Z/
MARQUETTE WI-
327 AM CDT THU AUG 16 2012

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT FOR MARQUETTE
COUNTY UNTIL 415 AM CDT...

AT 323 AM 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 ADAMS TO 5 MILES EAST OF
WISCONSIN DELLS...MOVING EAST AT 35 MPH.

SEVERE THUNDERSTORMS WILL BE NEAR...
  WESTFIELD AROUND 340 AM CDT.
  MONTELLO AROUND 355 AM CDT.

OTHER LOCATIONS IMPACTED BY SEVERE THUNDERSTORMS INCLUDE LAWRENCE...
OXFORD...SPRINGFIELD CORNERS...PACKWAUKEE...ENDEAVOR...HARRISVILLE...
GLEN OAK AND NESHKORO.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

SEVERE THUNDERSTORMS PRODUCE DAMAGING WIND IN EXCESS OF 60 MILES PER
HOUR...DESTRUCTIVE HAIL...DEADLY LIGHTNING...AND VERY HEAVY RAIN. FOR
YOUR PROTECTION MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR OF YOUR
HOME OR BUSINESS. HEAVY RAINS FLOOD ROADS QUICKLY SO DO NOT DRIVE
INTO AREAS WHERE WATER COVERS THE ROAD.

&&

LAT...LON 4388 8917 4387 8920 4380 8919 4381 8917
      4377 8917 4377 8924 4364 8925 4364 8960
      4398 8960 4399 8917
TIME...MOT...LOC 0827Z 266DEG 32KT 4395 8967 4365 8963
WIND...HAIL 60MPH 1.00IN

$$

GEHRING
093 
WWUS53 KMKX 160848
SVSMKX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE MILWAUKEE/SULLIVAN WI
348 AM CDT THU AUG 16 2012

WIC077-160915-
/O.CON.KMKX.SV.W.0080.000000T0000Z-120816T0915Z/
MARQUETTE WI-
348 AM CDT THU AUG 16 2012

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT FOR SOUTHERN
MARQUETTE COUNTY UNTIL 415 AM CDT...

AT 345 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 10 MILES
SOUTHWEST OF MONTELLO...OR 10 MILES NORTH OF PORTAGE...MOVING EAST AT
35 MPH.

THE SEVERE THUNDERSTORM WILL BE NEAR...
  MONTELLO AROUND 355 AM CDT.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

SEVERE THUNDERSTORMS PRODUCE DAMAGING WIND IN EXCESS OF 60 MILES PER
HOUR...DESTRUCTIVE HAIL...DEADLY LIGHTNING...AND VERY HEAVY RAIN. FOR
YOUR PROTECTION MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR OF YOUR
HOME OR BUSINESS. HEAVY RAINS FLOOD ROADS QUICKLY SO DO NOT DRIVE
INTO AREAS WHERE WATER COVERS THE ROAD.

&&

LAT...LON 4385 8932 4385 8930 4380 8919 4381 8917
      4377 8917 4377 8924 4364 8925 4365 8960
      4386 8960
TIME...MOT...LOC 0849Z 284DEG 31KT 4368 8942
WIND...HAIL 60MPH 1.00IN

$$
595 
WWUS53 KMKX 160902
SVSMKX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE MILWAUKEE/SULLIVAN WI
402 AM CDT THU AUG 16 2012

WIC077-160915-
/O.CON.KMKX.SV.W.0080.000000T0000Z-120816T0915Z/
MARQUETTE WI-
402 AM CDT THU AUG 16 2012

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT FOR SOUTH CENTRAL
MARQUETTE COUNTY UNTIL 415 AM CDT...

AT 358 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 9 MILES
NORTH OF PARDEEVILLE...OR 9 MILES NORTHEAST OF PORTAGE...MOVING EAST
AT 35 MPH.

THE SEVERE THUNDERSTORM WILL AFFECT MAINLY RURAL AREAS OF SOUTH
CENTRAL MARQUETTE COUNTY.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

SEVERE THUNDERSTORMS PRODUCE DAMAGING WIND IN EXCESS OF 60 MILES PER
HOUR...DESTRUCTIVE HAIL...DEADLY LIGHTNING...AND VERY HEAVY RAIN. FOR
YOUR PROTECTION MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR OF YOUR
HOME OR BUSINESS. HEAVY RAINS FLOOD ROADS QUICKLY SO DO NOT DRIVE
INTO AREAS WHERE WATER COVERS THE ROAD.

&&

LAT...LON 4377 8924 4377 8926 4376 8924 4364 8925
      4365 8955 4373 8944 4375 8938 4374 8933
      4377 8929
TIME...MOT...LOC 0902Z 286DEG 29KT 4365 8932
WIND...HAIL 60MPH 1.00IN

$$
943 
WWUS53 KMKX 160910
SVSMKX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE MILWAUKEE/SULLIVAN WI
410 AM CDT THU AUG 16 2012

WIC077-160920-
/O.EXP.KMKX.SV.W.0080.000000T0000Z-120816T0915Z/
MARQUETTE WI-
410 AM CDT THU AUG 16 2012

...THE SEVERE THUNDERSTORM WARNING FOR SOUTH CENTRAL MARQUETTE COUNTY
WILL EXPIRE AT 415 AM CDT...

THE STORM WHICH PROMPTED THE WARNING HAS WEAKENED AND MOVED OUT OF 
THE WARNED AREA. MORE THUNDERSTORMS ARE EXPECTED EARLY THIS MORNING
AND SOME MAY BE STRONG. 

LAT...LON 4377 8924 4377 8926 4376 8924 4364 8925
      4365 8955 4373 8944 4375 8938 4374 8933
      4377 8929
TIME...MOT...LOC 0910Z 286DEG 29KT 4363 8923

$$

The office that day

Everything else NWS Milwaukee, WI issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Aug 16, 3:35 AM CDTSevere Thunderstorm WarningMKXColumbia, Sauk40 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.