Alert archive / Wisconsin / Tornado Warnings in 2003

Tornado Warning 3, NWS Milwaukee, WI

May 10, 2003Iowa County, Sauk County, Wisconsin

NWS Milwaukee, WI issued this tornado warning at May 10, 2003, 9:24 PM CDT for Iowa County, Sauk County, Wisconsin. It was in force for 66 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, 9:24 PM CDT (02:24 UTC)
Expired: May 10, 2003, 10:30 PM CDT
In force: 66 min
Issued by: NWS Milwaukee, WI
Area: Counties, with a storm outline in the text

Counties Iowa County, WI, Sauk County, WI

The radar

The La Crosse radar (KARX), 93 km from the middle of the area, began a volume at 02:26 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
May 10, 6:15 PM CDT	Tornado Watch	SPC	5 hr

The nearest sounding before it

Davenport, (KDVN), launched 00:00Z, 2.4 hours before the alert went out and 174 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-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

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: 1566 J/kg
Mixed-layer CIN: -80 J/kg
Mixed-layer LCL: 910 m above ground
0-6 km bulk shear: 57 kt
0-1 km storm-relative helicity: 234 m²/s²
0-3 km storm-relative helicity: 259 m²/s²
Significant tornado parameter: 2.8
Supercell composite: 12.7

Open this sounding in Storm Lab

The text

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

778 
WFUS53 KMKX 110224
TORMKX
WIC049-111-110330-

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE MILWAUKEE/SULLIVAN WI
924 PM CDT SAT MAY 10 2003

THE NATIONAL WEATHER SERVICE IN SULLIVAN HAS ISSUED A

* TORNADO WARNING FOR...
  SAUK COUNTY IN SOUTH CENTRAL WISCONSIN
  IOWA COUNTY IN SOUTH CENTRAL WISCONSIN

* UNTIL 1030 PM CDT

* AT 924 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO. THE MOST
  DANGEROUS PORTION OF THE STORM WAS LOCATED 14 MILES SOUTHWEST OF
  MUSCODA...OR ABOUT 4 MILES NORTH OF FENNIMORE...MOVING NORTHEAST AT
  45 MPH.

* THE TORNADO IS EXPECTED TO BE NEAR...
  MUSCODA AT 935 PM CDT.
  AVOCA AT 940 PM CDT.
  PLAIN AT 1000 PM CDT.
  LIME RIDGE AT 1005 PM CDT.

NIGHTTIME TORNADOES ARE ESPECIALLY DANGEROUS TAKE COVER NOW IF YOU
WAIT UNTIL YOU SEE OR HEAR IT COMING...IT MAY BE TOO LATE TO GET TO A
SAFE PLACE

LAT...LON 4306 9080 4293 9063 4326 8990 4362 9008

$$

HENTZ

The office that day

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

Issued	Product	Office	Counties	Lasted
May 10, 7:42 PM CDT	Severe Thunderstorm Warning	MKX	Marquette	48 min
May 10, 8:22 PM CDT	Severe Thunderstorm Warning	MKX	Green Lake, Marquette	38 min
May 10, 8:25 PM CDT	Tornado Warning	MKX	Iowa, Lafayette	65 min
May 10, 8:56 PM CDT	Tornado Warning	MKX	Dane	64 min
May 10, 9:12 PM CDT	Severe Thunderstorm Warning	MKX	Dodge, Jefferson	48 min
May 10, 9:23 PM CDT	Severe Thunderstorm Warning	MKX	Dodge, Jefferson	37 min
May 10, 9:35 PM CDT	Tornado Warning	MKX	Columbia, Dane	55 min
May 10, 10:15 PM CDT	Severe Thunderstorm Warning	MKX	Dodge	60 min
May 10, 10:21 PM CDT	Special Marine Warning	MKX		54 min
May 10, 10:21 PM CDT	Special Marine Warning	MKX		54 min
May 10, 10:39 PM CDT	Tornado Warning	MKX	Dodge	66 min
May 10, 11:04 PM CDT	Tornado Warning	MKX	Dodge, Fond du Lac, Washington	56 min

Nearby

Tornado Warnings in Wisconsin, 2003 Every tornado warning in 2003 Tornadoes 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.