Alert archive / Wisconsin / Severe Thunderstorm Warnings in 2000

Severe Thunderstorm Warning 136, NWS Milwaukee, WI

September 2, 2000Green Lake County, Marquette County, Wisconsin

NWS Milwaukee, WI issued this severe thunderstorm warning at Sep 2, 2000, 3:46 AM CDT for Green Lake County, Marquette County, Wisconsin. It was in force for 59 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
Sep 2, 2000, 3:46 AM CDT (08:46 UTC)
Expired
Sep 2, 2000, 4:45 AM CDT
In force
59 min
Issued by
NWS Milwaukee, WI
Area
Whole counties; the outline is the Mesonet’s reconstruction

Counties Green Lake County, WI, Marquette County, WI

What was reported inside it

TimeReportWhereRemark
Sep 2, 3:50 AM CDTHail 0.75Germania, 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 00:00Z, 8.8 hours before the alert went out and 112 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 00:00Z on 2000-09-02Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCL10008507005003002001001 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 00:00Z on 2000-09-02The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 51 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
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
582 m above ground
0-6 km bulk shear
46 kt
0-1 km storm-relative helicity
51 m²/s²
0-3 km storm-relative helicity
112 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.1

Open this sounding in Storm Lab

The text

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

000 
WUUS53 KMKX 020846
SVRMKE
WIC047-077-020945-

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE MILWAUKEE-SULLIVAN WI
346 AM CDT SAT SEP 2 2000

THE NATIONAL WEATHER SERVICE IN SULLIVAN HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  EASTERN MARQUETTE COUNTY IN SOUTH CENTRAL WISCONSIN
  GREEN LAKE COUNTY IN SOUTH CENTRAL WISCONSIN

* UNTIL 445 AM CDT

* AT 346 AM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM 4 MILES EAST OF MONTELLO...OR ABOUT 19 MILES
  SOUTHWEST OF BERLIN...MOVING EAST AT 25 MPH.

* THE SEVERE THUNDERSTORM WILL BE NEAR...
  PRINCETON AT 400 AM CDT.
  GREEN LAKE AT 420 AM CDT.
  BERLIN AT 425 AM 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!

HAIL UP TO 3/4 OF AN INCH IN DIAMETER AND WINDS GREATER THAN 60 MILES
AN HOUR ARE EXPECTED FROM THIS STORM. IF YOU ARE IN THE STORM'S
PATH...SEEK SHELTER INDOORS.

THIS STORM IS CAPABLE OF PRODUCING HEAVY RAINFALL...WHICH MAY FLOOD
LOW LYING AREAS SUCH AS DITCHES AND UNDERPASSES. AVOID THESE AREAS
AND DO @NOT CROSS FLOODED ROADS AS THEY MAY BE WASHED OUT.

LAT...LON 4388 8942 4371 8933 4378 8890 4398 8892

DAVIS

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 Sep 2, 3:00 AM CDT, 46 minutes earlier.

Area forecast discussion, Sep 2, 3:00 AM CDT, 46 minutes before
AREA FORECAST DISCUSSION...UPDATED
NATIONAL WEATHER SERVICE MILWAUKEE/SULLIVAN WI
300 AM CDT SAT SEP 2 2000

FCST FOCUS COVERS MANY ELEMENTS...PCPN TRENDS EARLY THIS MORNING...
CLD TRENDS AS FRONT HEADS BACK NORTH TDY/TNGT...PCPN TRENDS LTR AS
FRONT HEADS BACK SOUTH.

STATIONARY FNT NOW SET UP JUST S OF WI BORDER.

SHALLOW COOLER AIR HAS OVERSPREAD CWA...BUT CONVECTION CONTINUES
ACRSS NE CWA. SHALLOW NATURE OF COOLER BNDRY LAYER HIGHLIGHTED BY
BLUE RIVER PROFILER STILL SHOWING STEADY SW FLOW AT H8...IN
ADDTION...88D VAD WINDS INDICATE S WNDS OF 25KTS BY THE 2ND GATE.
CONVECTION TO THE N IS ELEVATED AND ENHANCED BY MID LEVEL S/W AND MID
LEVEL CAA TRACKING THRU ATTM. RUC/ETA DEPICT THIS WELL. THIS SUPPORT
SHULD EXIT THIS MORNING LEAVING TODAY RATHER QUIET.  BIGGEST QUESTION
WILL BE CLD COVER TODAY.  FOG PRODUCT SHOWS THE FAR S AND SE CLRG
AND WULD EXPECT MORE ERROSION TO THE N...JUST NOT CONFIDENT HOW FAR
NORTH. WL PLAY WITH THIS RIGHT UP TO PRESS TIME.

SPC/HPC FOCUS ON ACTIVITY ACRS NRN/CNTRL WI FOR TONIGHT LOOKS GUD.
LOW DVLPG ACRS THE PLAINS WL SEND THE STATIONARY FNT BACK NORTH AS
WMFNT. H8 BNDRY WELL INTO NRN WI TONIGHT. ACTION SHULD FOCUS BTWN
THE TWO. BEST THERMAL GRADIENT AND LLV CONVERGENCE OF MOIST AIR ON
NOSE OF DVLPG 35KT JET WL OCCUR UPSTREAM AND THEN OVR NRN/CNTRL WI
TONIGHT. DEEP FORCING TO BE ENHANCED BY YET ANOTHER STRONG S/W RIDING
OUT OF THE NRN ROCKIES AND THRU TOP OF UPR RDG. WL KEEP PCPN CHC FOR
TONIGHT...BUT PUSH IT OFF LATE...BEST CHC ACRS NRN CWA TONIGHT.

ON SUNDAY...SFC LOW PROG TO COME THRU SRN WI WITH WMFNT IN VCNTY...
LIKELY SHARPENED BY OUTFLOW FM PREV NOCTURNAL CONVECTION. THUS...SPC
HAS OUTLOOK SVR FOR SUN AND THIS LOOKS GOOD.  CAPPING WL BE AN
ISSUE...BUT IT DOESN/T APPEAR ALL THAT STRONG.

PREV FCST LOOKING A BIT COOL AND WELL BELOW CURRENT GUID.  GIVEN
SHALLOW NATURE OF COOL BNDRY LAYER AND TREND OF CLD COVER...WL BUMP
TEMPS UP A NOTCH OR TWO.  THIS COORD WELL WITH LATEST INPUT FM
SURROUNDING OFFICES.

.MKX...NONE.

DAVIS

The office that day

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

IssuedProductOfficeCountiesLasted
Sep 2, 4:28 AM CDTFlash Flood WarningMKXFond du Lac, Sheboygan3 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.