Alert archive / Wisconsin / Severe Thunderstorm Warnings in 2003

Severe Thunderstorm Warning 2, NWS Milwaukee, WI

May 10, 2003Marquette County, Wisconsin

NWS Milwaukee, WI issued this severe thunderstorm warning at May 10, 2003, 7:42 PM CDT for Marquette County, Wisconsin. It was in force for 48 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
May 10, 2003, 7:42 PM CDT (00:42 UTC)
Expired
May 10, 2003, 8:30 PM CDT
In force
48 min
Issued by
NWS Milwaukee, WI
Area
Counties, with a storm outline in the text

County Marquette County, WI

The radar

The Milwaukee radar (KMKX), 127 km from the middle of the area, began a volume at 00:44 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 nearest sounding before it

Green Bay/Straub, WI (KGRB), launched 00:00Z, 0.7 hours before the alert went out and 141 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 2003-05-11Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCL10008507005003002001001 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 2003-05-11The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -36 square meters per square second.1939587897Sfc1 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
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
1098 m above ground
0-6 km bulk shear
47 kt
0-1 km storm-relative helicity
-36 m²/s²
0-3 km storm-relative helicity
23 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.

066 
WUUS53 KMKX 110042
SVRMKX
WIC077-110130-

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE MILWAUKEE/SULLIVAN WI
740 PM CDT SAT MAY 10 2003

THE NATIONAL WEATHER SERVICE IN SULLIVAN HAS ISSUED A

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

* UNTIL 830 PM CDT

* AT 740 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM 11 MILES WEST OF OXFORD...OR ABOUT 7 MILES
  NORTH OF WISCONSIN DELLS...MOVING NORTHEAST AT 35 MPH.

* THE SEVERE THUNDERSTORM WILL BE NEAR...
  OXFORD AT 750 PM CDT.
  ENDEAVOR AT 755 PM CDT.
  WESTFIELD AT 805 PM CDT.
  MONTELLO AT 810 PM CDT.

A TORNADO WATCH IS ALSO IN EFFECT FOR THE WARNED AREA. REMEMBER...
SEVERE THUNDERSTORMS CAN AND DO PRODUCE TORNADOES WITH LITTLE OR NO
ADVANCE WARNING.

HAIL UP TO THE SIZE OF A QUARTER AND WINDS GREATER THAN 60 
MILES AN HOUR ARE EXPECTED FROM THIS STORM. SEEK SHELTER IN A STURDY 
STRUCTURE UNTIL THE STORM HAS PASSED.

LAT...LON 4379 8992 4363 8981 4372 8925 4397 8918
          4399 8956

$$

HENTZ

The office that day

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

IssuedProductOfficeCountiesLasted
May 10, 8:22 PM CDTSevere Thunderstorm WarningMKXGreen Lake, Marquette38 min
May 10, 8:25 PM CDTTornado WarningMKXIowa, Lafayette65 min
May 10, 8:56 PM CDTTornado WarningMKXDane64 min
May 10, 9:12 PM CDTSevere Thunderstorm WarningMKXDodge, Jefferson48 min
May 10, 9:23 PM CDTSevere Thunderstorm WarningMKXDodge, Jefferson37 min
May 10, 9:24 PM CDTTornado WarningMKXIowa, Sauk66 min
May 10, 9:35 PM CDTTornado WarningMKXColumbia, Dane55 min
May 10, 10:15 PM CDTSevere Thunderstorm WarningMKXDodge60 min
May 10, 10:21 PM CDTSpecial Marine WarningMKX54 min
May 10, 10:21 PM CDTSpecial Marine WarningMKX54 min
May 10, 10:39 PM CDTTornado WarningMKXDodge66 min
May 10, 11:04 PM CDTTornado WarningMKXDodge, Fond du Lac, Washington56 min

Nearby

Severe Thunderstorm Warnings in Wisconsin, 2003Every severe thunderstorm warning in 2003

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.