Alert archive / Wisconsin / Severe Thunderstorm Warnings in 2002

Severe Thunderstorm Warning 73, NWS Green Bay, WI

July 30, 2002Lincoln County, Wisconsin

NWS Green Bay, WI issued this severe thunderstorm warning at Jul 30, 2002, 7:55 PM CDT for Lincoln County, Wisconsin. It was in force for 35 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 30, 2002, 7:55 PM CDT (00:55 UTC)
Expired: Jul 30, 2002, 8:30 PM CDT
In force: 35 min
Issued by: NWS Green Bay, WI
Area: Counties, with a storm outline in the text

County Lincoln County, WI

The radar

The Green Bay radar (KGRB), 165 km from the middle of the area, began a volume at 00:58 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 watch it was issued in

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

Issued	Product	Office	Lasted
Jul 30, 5:35 PM CDT	Severe Thunderstorm Watch	SPC	5 hr

The nearest sounding before it

Green Bay/Straub, WI (KGRB), launched 00:00Z, 0.9 hours before the alert went out and 167 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: 3877 J/kg
Mixed-layer CIN: -11 J/kg
Mixed-layer LCL: 1398 m above ground
0-6 km bulk shear: 21 kt
0-1 km storm-relative helicity: 82 m²/s²
0-3 km storm-relative helicity: 164 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 8.0

Open this sounding in Storm Lab

The text

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

982 
WUUS53 KGRB 310055
SVRGRB
WIC069-310130-

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE GREEN BAY WI
755 PM CDT TUE JUL 30 2002

THE NATIONAL WEATHER SERVICE IN GREEN BAY HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  LINCOLN COUNTY IN WISCONSIN

* UNTIL 830 PM CDT

* AT 755 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR DETECTED A
  SEVERE THUNDERSTORM WITH STRONG WINDS AND HAIL. THE STORM WAS
  LOCATED NEAR TOMAHAWK. THAT PLACES IT 21 MILES SOUTHWEST OF
  RHINELANDER. IT WAS MOVING EAST AT 45 MPH.

* SOME LOCATIONS THAT WILL BE AFFECTED BY THE STORM INCLUDE...
  HARRISON BY 810 PM CDT.
  JEFFRIS BY 815 PM CDT.

IF YOU ARE IN THE WARNED AREA...PREPARE FOR WINDS IN EXCESS OF 60
MPH...HAIL...AND DEADLY LIGHTNING. SEEK SHELTER IMMEDIATELY.

LAT...LON 4556 8987 4538 8988 4532 8943 4555 8943

ECKBERG

The office that day

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

Issued	Product	Office	Counties	Lasted
Jul 30, 7:12 PM CDT	Severe Thunderstorm Warning	GRB	Portage, Wood	63 min
Jul 30, 7:16 PM CDT	Severe Thunderstorm Warning	GRB	Langlade	59 min
Jul 30, 7:28 PM CDT	Tornado Warning	GRB	Langlade, Lincoln	32 min
Jul 30, 7:44 PM CDT	Tornado Warning	GRB	Shawano	46 min
Jul 30, 8:03 PM CDT	Severe Thunderstorm Warning	GRB	Menominee	42 min
Jul 30, 8:11 PM CDT	Severe Thunderstorm Warning	GRB	Oconto	49 min
Jul 30, 8:15 PM CDT	Special Marine Warning	GRB		2 hr
Jul 30, 8:15 PM CDT	Special Marine Warning	GRB		2 hr
Jul 30, 8:15 PM CDT	Special Marine Warning	GRB		2 hr
Jul 30, 8:26 PM CDT	Severe Thunderstorm Warning	GRB	Shawano	49 min
Jul 30, 8:29 PM CDT	Severe Thunderstorm Warning	GRB	Waushara	46 min
Jul 30, 8:46 PM CDT	Severe Thunderstorm Warning	GRB	Brown, Vilas	44 min
Jul 30, 8:51 PM CDT	Severe Thunderstorm Warning	GRB	Winnebago	39 min
Jul 30, 8:56 PM CDT	Severe Thunderstorm Warning	GRB	Outagamie	34 min
Jul 30, 9:17 PM CDT	Severe Thunderstorm Warning	GRB	Calumet	43 min
Jul 30, 9:25 PM CDT	Special Marine Warning	GRB		95 min
Jul 30, 9:25 PM CDT	Special Marine Warning	GRB		95 min
Jul 30, 9:29 PM CDT	Severe Thunderstorm Warning	GRB	Brown, Manitowoc	46 min
Jul 30, 9:43 PM CDT	Severe Thunderstorm Warning	GRB	Door	32 min
Jul 31, 1:02 PM CDT	Severe Thunderstorm Warning	GRB	Oneida, Vilas	58 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.