Alert archive / Wisconsin / Severe Thunderstorm Warnings in 2000

Severe Thunderstorm Warning 112, NWS Milwaukee, WI

July 10, 2000Iowa County, Lafayette County, Wisconsin

NWS Milwaukee, WI issued this severe thunderstorm warning at Jul 10, 2000, 3:15 AM CDT for Iowa County, Lafayette County, Wisconsin. It was in force for 20 min. 1 report came from inside the area while it was in force.

The area

The counties it named, with what was reported inside it.

The facts

Issued
Jul 10, 2000, 3:15 AM CDT (08:15 UTC)
Expired
Jul 10, 2000, 3:35 AM CDT
In force
20 min
Issued by
NWS Milwaukee, WI
Area
Whole counties

Counties Iowa County, WI, Lafayette County, WI

What was reported inside it

TimeReportWhereRemark
Jul 10, 3:20 AM CDTThunderstorm WindBarneveld, WI

NCEI Storm Data entries that began inside the alert's area while it was in force. Before 2003 the local storm report archive is thin, so this is the record of what happened rather than what was phoned in.

The watch it was issued in

The SPC watch in force over the same counties when this warning went out.

IssuedProductOfficeLasted
Jul 10, 2:30 AM CDTSevere Thunderstorm WatchSPC6 hr

The nearest sounding before it

Davenport, (KDVN), launched 00:00Z, 8.3 hours before the alert went out and 138 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 00:00Z on 2000-07-10Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 2939 joules per kilogram.LCLLFCEL10008507005003002001001 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, Davenport, at 00:00Z on 2000-07-10The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 67 square meters per square second.193958Sfc1 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
2939 J/kg
Mixed-layer CIN
-78 J/kg
Mixed-layer LCL
1086 m above ground
0-6 km bulk shear
11 kt
0-1 km storm-relative helicity
67 m²/s²
0-3 km storm-relative helicity
109 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 
WUUS53 KMKX 100815
SVRMKE
WIC049-065-100835-

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE MILWAUKEE-SULLIVAN WI
315 AM CDT MON JUL 10 2000

THE NATIONAL WEATHER SERVICE IN SULLIVAN HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  LAFAYETTE COUNTY IN SOUTH CENTRAL WISCONSIN
  IOWA COUNTY IN SOUTH CENTRAL WISCONSIN

* UNTIL 335 AM CDT

* AT 315 AM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  LINE OF SEVERE THUNDERSTORMS FROM 6 MILES EAST OF BARNEVELD TO 8
  MILES SOUTHEAST OF SOUTH WAYNE...OR FROM MOUNT HOREB TO 7 MILES
  SOUTHWEST OF MONROE...MOVING EAST AT 50 MPH.

IF YOU ARE IN THE PATH OF THIS STORM...YOU SHOULD PREPARE FOR
DAMAGING WINDS IN EXCESS OF 60 MPH...LARGE HAIL...AND DEADLY
LIGHTNING. SEEK SHELTER IMMEDIATELY!

.END
05

What forecasters said that day

The local office's own words before this severe thunderstorm warning went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.

NWS Milwaukee, WI wrote its last area forecast discussion before this severe thunderstorm warning went out at Jul 10, 3:00 AM CDT, 15 minutes earlier.

Area forecast discussion, Jul 10, 3:00 AM CDT, 15 minutes before
AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE MILWAUKEE/SULLIVAN WI
300 AM CDT MON JUL 10 2000

SHORT ON TIME TONIGHT AS SEVERE WEATHER/DERECHO PUSHING ACROSS
SOUTHERN WISCONSIN. LITTLE CHANGE 4IN OVERALL PACKAGE EXPECTED.

WILL KEEP FLASH FLOOD WATCH FOR WESTERN CWA RUNNING THROUGH MORNING
HOURS UNTIL CONVECTION CLEARS CWA.

.MKX...FLASH FLOOD WATCH THIS MRNG ZNS 056-057-062-063-067>069.

EISE

The office that day

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

IssuedProductOfficeCountiesLasted
Jul 10, 2:12 AM CDTSevere Thunderstorm WarningMKXIowa, Lafayette63 min
Jul 10, 2:51 AM CDTSevere Thunderstorm WarningMKXDane, Green54 min
Jul 10, 3:40 AM CDTSevere Thunderstorm WarningMKXRock60 min
Jul 10, 3:43 AM CDTSevere Thunderstorm WarningMKXGreen22 min
Jul 10, 3:46 AM CDTSevere Thunderstorm WarningMKXDane44 min
Jul 10, 4:33 AM CDTSevere Thunderstorm WarningMKXKenosha, Racine, Walworth57 min
Jul 10, 5:54 AM CDTFlash Flood WarningMKXSauk3 hr

Nearby

Severe Thunderstorm Warnings in Wisconsin, 2000Every severe thunderstorm warning in 2000

Sources

The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; verification from NCEI's Storm Data; the sounding from the Mesonet's radiosonde archive.