Alert archive / Wisconsin / Severe Thunderstorm Warnings in 2000

Severe Thunderstorm Warning 99, NWS Milwaukee, WI

July 2, 2000Dodge County, Jefferson County, Wisconsin

NWS Milwaukee, WI issued this severe thunderstorm warning at Jul 2, 2000, 4:50 PM CDT for Dodge County, Jefferson County, Wisconsin. It was in force for 55 min. 3 reports 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 2, 2000, 4:50 PM CDT (21:50 UTC)
Expired: Jul 2, 2000, 5:45 PM CDT
In force: 55 min
Issued by: NWS Milwaukee, WI
Area: Whole counties

Counties Dodge County, WI, Jefferson County, WI

What was reported inside it

Time	Report	Where
Jul 2, 4:55 PM CDT	Hail 1	Danville, WI
Jul 2, 5:29 PM CDT	Hail 1.75	Johnson Creek, WI
Jul 2, 5:55 PM CDT	Hail 2.25	Rome, 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, 9.8 hours before the alert went out and 149 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: 273 J/kg
Mixed-layer CIN: -190 J/kg
Mixed-layer LCL: 870 m above ground
0-6 km bulk shear: 32 kt
0-1 km storm-relative helicity: 76 m²/s²
0-3 km storm-relative helicity: 111 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.

221 
WUUS53 KMKX 022151
SVRMKE
WIC027-055-022245-

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE MILWAUKEE-SULLIVAN WI
450 PM CDT SUN JUL 2 2000

THE NATIONAL WEATHER SERVICE IN SULLIVAN HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  JEFFERSON COUNTY IN SOUTHEAST WISCONSIN
  SOUTHERN DODGE COUNTY IN SOUTHEAST WISCONSIN

* UNTIL 545 PM CDT

* AT 450 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM 6 MILES WEST OF REESEVILLE...OR ABOUT 5 MILES
  SOUTHEAST OF COLUMBUS...MOVING EAST AT 35 MPH.

* THE SEVERE THUNDERSTORM WILL BE NEAR...
  LAKE MILLS AT 455 PM CDT.
  LOWELL AT 500 PM CDT.
  JEFFERSON AT 505 PM CDT.
  WATERTOWN AT 510 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

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 Jul 2, 2:30 PM CDT, 2 hours 20 minutes earlier.

Area forecast discussion, Jul 2, 2:30 PM CDT, 2 hours 20 minutes before

AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE MILWAUKEE/SULLIVAN WI
230 PM CDT SUN JUL 2 2000

FORECAST FOCUS IS ON PRECIPITATION CHANCES THIS EVENING THEN LATER
IN PD.

MCS FROM LAST NIGHT HAS BROUGHT SOME DOUBT TO ACCURACY OF MODELS IN
THE SHORT RUN.  THEY ALL DID A POOR JOB RESOVING THIS SYSTEM AND
THE COOL STABLE LAYER IT LAID OUT NOT LIKELY RESOVLED...BUT
IMPORTANT...MAYBE.  SFC BOUNDRY ADVERTISED TO DROP THROUGH THE AREA
THIS EVENING...LOCATED AT 19Z FM NR KMTW...TO KISW...TO NR KLSE AND
ALNG THE MN IA BRDR.  AMORPHOUS MID LEVEL S/W ROLLING OVR THIS
BNDRY WITH MAX CORE OVER WRN WI...THEN STRUNG OUT TO NR KFSD.  THIS
TRACKS ESE THIS EVENING AND WL HELP ENHANCE UVV ALNG BNDRY DURG PK
INSTABILITY THIS EVENING. SWOMCD FM SPC DISCUSSING INTERACTION OF
OLD MCS OUTFLOW BNDRY OVR IA WITH THE ARRIVAL OF THE FNT.
ANTICIPATED CONVECTION OVR IA COULD CLIP SRN WI BEFORE DROPPING S.

ONCE CONVECTION DROPS SOUTH WITH FROPA BY 06Z IN THE SE...LOOKS
QUIET FOR ABOUT 24 TO 36 HOURS. DRIER NE FLOW UNDER WEAK AND
TEMPORARY RIDGING SHOULD KEEP THE RAIN AT BAY THROUGH MONDAY NIGHT.
CLOUD COVER AFT FROPA THRU MONDAY NIGHT SOMEWHAT QUESTIONABLE WITH
MODELS SHOWING VARYING DEGREES OF HUMIDITY. WL KEEP IT M.CLDY
TONIGHT...DECREASE CLDS MONDAY...CONT INTO MONDAY NGT. AS THE RIDGE
PULLS OFF TO THE EAST AND LOW PRESSURE STRENGTHENS AGAIN TO THE
WEST...THE ONCE COOL FRONT WILL HEAD BACK NORTH AS A WARM FRONT. THE
PASSAGE OF THIS FRONT ON TUESDAY MAY TRIGGER MORE SHOWERS AND
THUNDERSTORMS...THOUGH THE THREAT APPEARS SMALL AND A WASHOUT IS NOT
LIKELY. SML POPS REQUIRED.

NGM MOS TEMPS LOOK GUD. AVN LOOKING A TAD COOL.

.UWNMS...NOT AVAILABLE.

.MKX...NONE.
DAVIS

The office that day

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

Issued	Product	Office	Counties	Lasted
Jul 2, 5:35 PM CDT	Tornado Warning	MKX	Jefferson	40 min
Jul 2, 5:46 PM CDT	Tornado Warning	MKX	Walworth, Waukesha	59 min
Jul 2, 5:56 PM CDT	Severe Thunderstorm Warning	MKX	Milwaukee, Waukesha	64 min
Jul 2, 6:05 PM CDT	Severe Thunderstorm Warning	MKX	Racine	55 min
Jul 2, 6:34 PM CDT	Tornado Warning	MKX	Milwaukee, Racine	41 min
Jul 2, 6:49 PM CDT	Severe Thunderstorm Warning	MKX	Kenosha	26 min

Nearby

Severe Thunderstorm Warnings in Wisconsin, 2000 Every 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.