Alert archive / Wisconsin / Severe Thunderstorm Warnings in 2004

Severe Thunderstorm Warning 2, NWS Milwaukee, WI

March 1, 2004Rock County, Wisconsin

NWS Milwaukee, WI issued this severe thunderstorm warning at Mar 1, 2004, 2:43 PM CST for Rock County, Wisconsin. It was in force for 32 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
Mar 1, 2004, 2:43 PM CST (20:43 UTC)
Expired
Mar 1, 2004, 3:15 PM CST
In force
32 min
Issued by
NWS Milwaukee, WI
Area
Counties, with a storm outline in the text

County Rock County, WI

The radar

The Milwaukee radar (KMKX), 47 km from the middle of the area, began a volume at 20:45 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.

IssuedProductOfficeLasted
Mar 1, 11:30 AM CSTSevere Thunderstorm WatchSPC6 hr

The nearest sounding before it

Davenport, (KDVN), launched 12:00Z, 8.7 hours before the alert went out and 172 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, Davenport, at 12:00Z on 2004-03-01Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Davenport, at 12:00Z on 2004-03-01The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 130 square meters per square second.1939587897117136Sfc1 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
1 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
591 m above ground
0-6 km bulk shear
85 kt
0-1 km storm-relative helicity
130 m²/s²
0-3 km storm-relative helicity
170 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.

665 
WUUS53 KMKX 012043
SVRMKX
WIC105-012115-

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE MILWAUKEE/SULLIVAN WI
242 PM CST MON MAR 1 2004

THE NATIONAL WEATHER SERVICE HAS ISSUED A

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

* UNTIL 315 PM CST

* AT 242 PM CST...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED
  SEVERE THUNDERSTORMS WITH LARGE HAIL LOCATED 6 MILES SOUTHEAST OF
  JANESVILLE...MOVING NORTHEAST AT 25 MPH.

HAIL UP TO 3/4 OF AN INCH IN DIAMETER IS EXPECTED FROM THESE STORMS. 
IF YOU ARE IN THE STORMS PATH...SEEK SHELTER INDOORS.

LAT...LON 4259 8913 4253 8879 4283 8878 4284 8901

HENTZ

The office that day

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

IssuedProductOfficeCountiesLasted
Mar 1, 2:20 PM CSTSevere Thunderstorm WarningMKXGreen25 min
Mar 1, 3:21 PM CSTSevere Thunderstorm WarningMKXJefferson, Waukesha24 min
Mar 1, 3:23 PM CSTSpecial Marine WarningMKX97 min
Mar 1, 3:23 PM CSTSpecial Marine WarningMKX97 min
Mar 1, 3:42 PM CSTSevere Thunderstorm WarningMKXJefferson, Waukesha48 min
Mar 1, 3:51 PM CSTSevere Thunderstorm WarningMKXDane, Dodge, Jefferson39 min
Mar 1, 4:40 PM CSTSevere Thunderstorm WarningMKXDodge, Washington50 min

Nearby

Severe Thunderstorm Warnings in Wisconsin, 2004Every severe thunderstorm warning in 2004

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.