Alert archive / Wisconsin / Severe Thunderstorm Warnings in 2002

Severe Thunderstorm Warning 53, NWS Milwaukee, WI

July 8, 2002Green Lake County, Marquette County, Wisconsin

NWS Milwaukee, WI issued this severe thunderstorm warning at Jul 8, 2002, 5:11 PM CDT for Green Lake County, Marquette County, Wisconsin. It was in force for 34 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: Jul 8, 2002, 5:11 PM CDT (22:11 UTC)
Expired: Jul 8, 2002, 5:45 PM CDT
In force: 34 min
Issued by: NWS Milwaukee, WI
Area: Counties, with a storm outline in the text

Counties Green Lake County, WI, Marquette County, WI

The radar

The Green Bay radar (KGRB), 114 km from the middle of the area, began a volume at 22:12 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 nearest sounding before it

Green Bay/Straub, WI (KGRB), launched 12:00Z, 10.2 hours before the alert went out and 113 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: 1379 J/kg
Mixed-layer CIN: -17 J/kg
Mixed-layer LCL: 760 m above ground
0-6 km bulk shear: 25 kt
0-1 km storm-relative helicity: 55 m²/s²
0-3 km storm-relative helicity: 67 m²/s²
Significant tornado parameter: 0.2
Supercell composite: 1.7

Open this sounding in Storm Lab

The text

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

252 
WUUS53 KMKX 082211
SVRMKE
WIC047-077-082245-

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE MILWAUKEE/SULLIVAN WI
511 PM CDT MON JUL 8 2002

THE NATIONAL WEATHER SERVICE IN SULLIVAN HAS ISSUED A

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

* UNTIL 545 PM CDT

* AT 511 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  LINE OF SEVERE THUNDERSTORMS FROM 8 MILES NORTHEAST OF WESTFIELD TO
  4 MILES NORTHWEST OF MONTELLO...OR FROM 21 MILES WEST OF BERLIN TO
  21 MILES NORTH OF PORTAGE...MOVING EAST AT 50 MPH.

* SEVERE THUNDERSTORMS WILL BE NEAR...
  PRINCETON AT 525 PM CDT.
  BERLIN AT 535 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 4400 8959 4388 8959 4375 8946 4378 8889
          4392 8889 4401 8890

EISE

The office that day

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

Issued	Product	Office	Counties	Lasted
Jul 8, 5:00 PM CDT	Severe Thunderstorm Warning	MKX	Fond du Lac, Sheboygan	45 min
Jul 8, 5:14 PM CDT	Special Marine Warning	MKX		61 min
Jul 8, 5:14 PM CDT	Special Marine Warning	MKX		61 min
Jul 8, 5:45 PM CDT	Severe Thunderstorm Warning	MKX	Sheboygan	15 min

Nearby

Severe Thunderstorm Warnings in Wisconsin, 2002 Every severe thunderstorm warning in 2002

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.