Alert archive / Wisconsin / Severe Thunderstorm Warnings in 2000

Severe Thunderstorm Warning 127, NWS Milwaukee, WI

August 22, 2000Fond du Lac County, Wisconsin

NWS Milwaukee, WI issued this severe thunderstorm warning at Aug 22, 2000, 4:22 PM CDT for Fond du Lac County, Wisconsin. It was in force for 53 min. 1 report came from inside the area while it was in force.

The area

The outline the Iowa Environmental Mesonet reconstructed for it; the warning itself named whole counties, with what was reported inside it.

The facts

Issued
Aug 22, 2000, 4:22 PM CDT (21:22 UTC)
Expired
Aug 22, 2000, 5:15 PM CDT
In force
53 min
Issued by
NWS Milwaukee, WI
Area
Whole counties; the outline is the Mesonet’s reconstruction

County Fond du Lac County, WI

What was reported inside it

TimeReportWhereRemark
Aug 22, 4:30 PM CDTThunderstorm WindFond Du Lac, 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 nearest sounding before it

Green Bay/Straub, WI (KGRB), launched 12:00Z, 9.4 hours before the alert went out and 83 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 12:00Z on 2000-08-22Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 849 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, Green Bay/Straub, WI at 12:00Z on 2000-08-22The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 46 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
849 J/kg
Mixed-layer CIN
-134 J/kg
Mixed-layer LCL
734 m above ground
0-6 km bulk shear
46 kt
0-1 km storm-relative helicity
46 m²/s²
0-3 km storm-relative helicity
145 m²/s²
Significant tornado parameter
0.0
Supercell composite
4.9

Open this sounding in Storm Lab

The text

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

000 
WUUS53 KMKX 222121
SVRMKE
WIC039-222215-

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE MILWAUKEE-SULLIVAN WI
422 PM CDT TUE AUG 22 2000

THE NATIONAL WEATHER SERVICE IN SULLIVAN HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  FOND DU LAC COUNTY IN EAST CENTRAL WISCONSIN

* UNTIL 515 PM CDT

* AT 422 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM 4 MILES SOUTHWEST OF ROSENDALE...OR ABOUT 8
  MILES SOUTHEAST OF RIPON...MOVING EAST AT 50 MPH.

* THE SEVERE THUNDERSTORM WILL BE NEAR...
  NORTH FOND DU LAC AT 430 PM CDT.
  FOND DU LAC AT 435 PM CDT.
  MOUNT CALVARY AT 445 PM CDT.

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!

LAT...LON 4387 8886 4369 8878 4371 8818 4393 8820

KAPELA

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 Aug 22, 2:40 PM CDT, 1 hour 42 minutes earlier.

Area forecast discussion, Aug 22, 2:40 PM CDT, 1 hour 42 minutes before
AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE MILWAUKEE/SULLIVAN WI
240 PM CDT TUE AUG 22 2000

FCST CHALLENGE CENTERS ON CONVECTION IN THE SHORT TERM.

INSTABILITY AXIS...MINUS 8 LI/S...HAS SET UP OVR SRN WI...WITH IA
MVC PULLING OUT OF ERN IA. BROAD SFC TROF HAS TAKEN HOLD OF WI...PER
ANIMATED AWIPS ANAL. MRNG 12Z ANAL ALSO SHOWED H2 100 KT JET PLAYING
A ROLE PROVIDING SUPPORT TO MVC. BUT MAIN STORY IS THE MVC ITSELF AND
ITS IMPACT ON SRN WI THIS EVE. SHOULD BE GOOD SUBSIDENCE FIELD IN
WAKE OF SHRA/TSRA...SO THINK WE CAN WIND THINGS DOWN THIS EVE. THIS
BASED ON PURE EXTRAP OF RAD/SAT TRENDS...THO MODEL RH AND VV FIELDS
IMPLY SOME PCPN MAY LINGER AFT MID. WILL STICK ALONG THE LINES OF
THE FORMER FOR NOW. SHOULD PONT OUT THAT NGM SEEMS TO BE DOING
BETTER JOB WITH QPF.

NEXT CHALLENGE LTR TNGT IS DEGREE OF CLRG AND POSSIBLE FOG
FORMATION. LGT WINDS...LLVL MOIST ADDED FROM RAINS PLUS HIGH DEW
POINTS...SHOULD SPELL FOG. ONLY QUES MARK IS THE CLEARING TNGT.
STILL A LOT OF LOW CLOUDS WRAPPING AROUND MVC IN SRN MN AND IA...SO
CLRG TREND MAY TAKE A WHILE. WL MENTION FOG FOR WED NGT...ESP WITH
LGT WIND REGIME. BETTER RADL CONDS EXPECTED WED NGT TOO.

WK SFC HI PRES AND UPR LEVEL RDGING SHOULD THEN KEEP THINGS QUIET
THRU THU. AVN TRYING TO GENERATE PCPN WED AND THU BUT WILL SIDE
WITH ETA/NGM SOLN FOR NOW AND KEEP POP OUT OF FCST. SOME
INSTABILTY NOTED IN BUFFY SOUNDINGS THO OVERALL DRY AIR...MID
LEVEL INVERSION ARND H650-H750 AND LACK OF FORCING MEANS WILL STICK
TO THE DRY LOOK. AVN FAN POPS ARE NEAR NIL AS WELL.

PREFER A BLEND OF 3 HRLY FWC TEMPS AND FAN.

.UWNMS...12Z RUN NOT AVBL...DID NOTICE 8/22 00Z RUN DID NOT CATCH
ANY QDPF FROM THIS SYS AT ALL.

.MKX...NONE.

COLLAR

The office that day

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

IssuedProductOfficeCountiesLasted
Aug 22, 4:27 PM CDTSevere Thunderstorm WarningMKXSheboygan63 min
Aug 22, 4:45 PM CDTSevere Thunderstorm WarningMKXMilwaukee, Waukesha45 min
Aug 22, 5:15 PM CDTFlash Flood WarningMKXSheboygan105 min

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.