Alert archive / Wisconsin / Tornado Warnings in 2005

Tornado Warning 36, NWS Milwaukee, WI

August 18, 2005Rock County, Walworth County, Wisconsin

NWS Milwaukee, WI issued this tornado warning at Aug 18, 2005, 7:48 PM CDT for Rock County, Walworth County, Wisconsin. It was in force for 57 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 18, 2005, 7:48 PM CDT (00:48 UTC)
Expired
Aug 18, 2005, 8:45 PM CDT
In force
57 min
Issued by
NWS Milwaukee, WI
Area
Counties, with a storm outline in the text

Counties Rock County, WI, Walworth County, WI

The radar

The Milwaukee radar (KMKX), 25 km from the middle of the area, began a volume at 00:48 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

TimeReportWhereRemark
Aug 18, 8:39 PM CDTHAIL 1E East Troy, WIQUARTER SIZE HAIL AT INTERSTATE 43 AND HIGHWAY 20 JUST EAST OF EAST TROY.

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.

IssuedProductOfficeLasted
Aug 18, 2:50 PM CDTTornado WatchSPC6 hr
Aug 18, 5:50 PM CDTTornado WatchSPC5 hr

The nearest sounding before it

Green Bay/Straub, WI (KGRB), launched 00:00Z, 0.8 hours before the alert went out and 194 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 2005-08-19Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 7 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 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 2005-08-19The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 64 square meters per square second.1939Sfc1 km3 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
7 J/kg
Mixed-layer CIN
-105 J/kg
Mixed-layer LCL
832 m above ground
0-6 km bulk shear
18 kt
0-1 km storm-relative helicity
64 m²/s²
0-3 km storm-relative helicity
161 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

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

000 
WFUS53 KMKX 190048
TORMKX
WIC105-127-190145-
/O.NEW.KMKX.TO.W.0036.050819T0048Z-050819T0145Z/

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE MILWAUKEE/SULLIVAN WI
748 PM CDT THU AUG 18 2005

THE NATIONAL WEATHER SERVICE IN MILWAUKEE HAS ISSUED A

* TORNADO WARNING FOR...
  NORTHEAST ROCK COUNTY IN SOUTH CENTRAL WISCONSIN
  WALWORTH COUNTY IN SOUTHEAST WISCONSIN

* UNTIL 845 PM CDT

* AT 744 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO 10 MILES WEST OF
  WHITEWATER...OR ABOUT NEAR MILTON...MOVING SOUTHEAST AT 15 MPH.

* THE TORNADO IS EXPECTED TO BE NEAR...
  WHITEWATER AROUND 815 PM CDT...

DO NOT USE YOUR CAR TO TRY TO OUTRUN A TORNADO. CARS ARE EASILY
TOSSED AROUND BY TORNADO WINDS. IF YOU ARE CAUGHT IN THE PATH OF A
TORNADO...LEAVE THE CAR AND GO TO A STRONG BUILDING. IF NO SAFE
STRUCTURE IS NEARBY...SEEK SHELTER IN A DITCH OR LOW SPOT AND COVER
YOUR HEAD.

A TORNADO WATCH REMAINS IN EFFECT UNTIL 900 PM CDT THURSDAY EVENING
FOR SOUTH CENTRAL WISCONSIN. A TORNADO WATCH ALSO REMAINS IN EFFECT
UNTIL 1100 PM CDT THURSDAY EVENING FOR SOUTHEASTERN WISCONSIN.

LAT...LON 4284 8902 4280 8909 4270 8832 4282 8833

$$

REM
4 follow-up statements
000 
WWUS53 KMKX 190058
SVSMKX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE MILWAUKEE/SULLIVAN WI
757 PM CDT THU AUG 18 2005

WIC105-127-190145-
/O.CON.KMKX.TO.W.0036.000000T0000Z-050819T0145Z/
ROCK-WALWORTH-
757 PM CDT THU AUG 18 2005

...A TORNADO WARNING CONTINUES UNTIL 845 PM CDT FOR WALWORTH AND ROCK
COUNTIES...

AT 753 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO 
INDICATE A TORNADO.  THIS TORNADO WAS LOCATED JUST WEST OF 
WHITEWATER...MOVING EAST SOUTHEAST AT 25 MPH.

THE TORNADO WILL BE NEAR...
  LA GRANGE BY 815 PM CDT...
  TROY CENTER BY 830 PM CDT...
  EAST TROY AND 7 MILES SOUTH OF POTTER LAKE BY 840 PM CDT...

THIS TORNADO MAY BE RAIN-WRAPPED AND DIFFICULT TO SEE. SEEK SHELTER 
NOW

A TORNADO WATCH REMAINS IN EFFECT UNTIL 900 PM CDT THURSDAY EVENING
FOR SOUTH CENTRAL WISCONSIN. A TORNADO WATCH ALSO REMAINS IN EFFECT
UNTIL 1100 PM CDT THURSDAY EVENING FOR SOUTHEASTERN WISCONSIN.

LAT...LON 4284 8902 4280 8909 4270 8832 4282 8833

$$

KAPELA
000 
WWUS53 KMKX 190111
SVSMKX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE MILWAUKEE/SULLIVAN WI
810 PM CDT THU AUG 18 2005

WIC105-127-190145-
/O.CON.KMKX.TO.W.0036.000000T0000Z-050819T0145Z/
ROCK-WALWORTH-
810 PM CDT THU AUG 18 2005

...A TORNADO WARNING CONTINUES UNTIL 845 PM CDT FOR WALWORTH AND ROCK
COUNTIES...

AT 806 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO 
INDICATE A STORM WITH A POSSIBLE TORNADO.  THIS POSSIBLE TORNADO WAS 
LOCATED ABOUT 4 MILES EAST SOUTHEAST OF WHITEWATER...MOVING EAST 
SOUTHEAST AT 15 MPH.

THE TORNADO WILL BE NEAR...
  LA GRANGE BY 820 PM CDT...
  TROY CENTER BY 840 PM CDT...
  EAST TROY AND 8 MILES SOUTHWEST OF POTTER LAKE BY 845 PM CDT...

THIS POSSIBLE TORNADO MAY BE RAIN WRAPPED AND DIFFICULT TO SEE. SEEK 
SHELTER NOW

A TORNADO WATCH REMAINS IN EFFECT UNTIL 900 PM CDT THURSDAY EVENING
FOR SOUTH CENTRAL WISCONSIN. A TORNADO WATCH ALSO REMAINS IN EFFECT
UNTIL 1100 PM CDT THURSDAY EVENING FOR SOUTHEASTERN WISCONSIN.

LAT...LON 4284 8902 4280 8909 4270 8832 4282 8833

$$

KAPELA
000 
WWUS53 KMKX 190122
SVSMKX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE MILWAUKEE/SULLIVAN WI
820 PM CDT THU AUG 18 2005

WIC105-190130-
/O.CAN.KMKX.TO.W.0036.000000T0000Z-050819T0145Z/
ROCK-
820 PM CDT THU AUG 18 2005

...THE TORNADO WARNING FOR ROCK COUNTY IS CANCELLED...

THE SEVERE STORMS HAVE MOVED EAST OUT OF ROCK COUNTY.

A TORNADO WATCH REMAINS IN EFFECT UNTIL 11 PM CDT THURSDAY EVENING 
FOR ROCK COUNTY.  

LAT...LON 4284 8877 4275 8876 4270 8832 4282 8833

$$

WIC127-190145-
/O.CON.KMKX.TO.W.0036.000000T0000Z-050819T0145Z/
WALWORTH-
820 PM CDT THU AUG 18 2005

...A TORNADO WARNING CONTINUES UNTIL 845 PM CDT FOR WALWORTH
COUNTY...

AT 819 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO
INDICATE A TORNADO.  THIS TORNADO WAS LOCATED NEAR LA GRANGE...OR
ABOUT 6 MILES SOUTHEAST OF WHITEWATER...MOVING EAST AT 15 MPH.

THE TORNADO WILL BE NEAR...
  TROY CENTER...EAST TROY AND 8 MILES SOUTHWEST OF POTTER LAKE BY 845
  PM CDT...

A TORNADO WATCH ALSO REMAINS IN EFFECT UNTIL 1100 PM CDT THURSDAY 
EVENING FOR SOUTHEASTERN WISCONSIN.

LAT...LON 4284 8877 4275 8876 4270 8832 4282 8833

$$

KAPELA
000 
WWUS53 KMKX 190133
SVSMKX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE MILWAUKEE/SULLIVAN WI
831 PM CDT THU AUG 18 2005

WIC127-190145-
/O.CON.KMKX.TO.W.0036.000000T0000Z-050819T0145Z/
WALWORTH-
831 PM CDT THU AUG 18 2005

...A TORNADO WARNING CONTINUES UNTIL 845 PM CDT FOR WALWORTH
COUNTY...

AT 827 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO
INDICATE A TORNADO.  THIS TORNADO WAS LOCATED NEAR LA GRANGE...OR
ABOUT 8 MILES NORTH OF ELKHORN...MOVING EAST AT 25 MPH.

THE TORNADO WILL BE NEAR...
  TROY CENTER BY 840 PM CDT...
  EAST TROY AND 8 MILES SOUTHWEST OF POTTER LAKE BY 845 PM CDT...

A TORNADO WATCH REMAINS IN EFFECT UNTIL 900 PM CDT THURSDAY EVENING
FOR SOUTH CENTRAL WISCONSIN. A TORNADO WATCH ALSO REMAINS IN EFFECT
UNTIL 1100 PM CDT THURSDAY EVENING FOR SOUTHEASTERN WISCONSIN.

LAT...LON 4284 8877 4275 8876 4270 8832 4282 8833

$$
MBK

The office that day

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

IssuedProductOfficeCountiesLasted
Aug 18, 7:15 PM CDTTornado WarningMKXDane, Jefferson63 min
Aug 18, 7:58 PM CDTSpecial Marine WarningMKX2 hr
Aug 18, 8:16 PM CDTSevere Thunderstorm WarningMKXJefferson, Waukesha44 min
Aug 18, 8:42 PM CDTTornado WarningMKXWalworth35 min
Aug 18, 8:52 PM CDTTornado WarningMKXRacine53 min
Aug 18, 9:40 PM CDTTornado WarningMKXRacine22 min
Aug 18, 9:48 PM CDTSpecial Marine WarningMKX57 min

Nearby

Tornado Warnings in Wisconsin, 2005Every tornado warning in 2005Tornadoes in 2005

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.