Alert archive / Wisconsin / Tornado Warnings in 2003

Tornado Warning 1, NWS Milwaukee, WI

May 10, 2003Iowa County, Lafayette County, Wisconsin

NWS Milwaukee, WI issued this tornado warning at May 10, 2003, 8:25 PM CDT for Iowa County, Lafayette County, Wisconsin. It was in force for 65 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, 8:25 PM CDT (01:25 UTC)
Expired: May 10, 2003, 9:30 PM CDT
In force: 65 min
Issued by: NWS Milwaukee, WI
Area: Counties, with a storm outline in the text

Counties Iowa County, WI, Lafayette County, WI

The radar

The La Crosse radar (KARX), 133 km from the middle of the area, began a volume at 01:27 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, 1.4 hours before the alert went out and 139 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.

397 
WFUS53 KMKX 110125
TORMKX
WIC049-065-110230-

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

THE NATIONAL WEATHER SERVICE IN SULLIVAN HAS ISSUED A

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

* UNTIL 930 PM CDT

* AT 825 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 NEAR BELMONT...OR ABOUT
  7 MILES EAST OF PLATTEVILLE...MOVING NORTHEAST AT 20 MPH.

* THE TORNADO IS EXPECTED TO BE NEAR...
  LINDEN AT 845 PM CDT.
  MINERAL POINT AT 850 PM CDT.
  DODGEVILLE AT 905 PM CDT.
  RIDGEWAY AT 925 PM CDT.

THE SAFEST PLACE TO BE DURING A TORNADO IS IN A BASEMENT. GET UNDER A
WORKBENCH OR OTHER PIECE OF STURDY FURNITURE. ALWAYS STAY AWAY FROM
WINDOWS

LAT...LON 4276 9049 4264 9032 4294 8983 4319 9000 $$

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, 8:56 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, 9:24 PM CDT	Tornado Warning	MKX	Iowa, Sauk	66 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.