Alert archive / Wisconsin / Severe Thunderstorm Warnings in 1997

Severe Thunderstorm Warning 21, NWS Green Bay, WI

June 24, 1997Langlade County, Wisconsin

NWS Green Bay, WI issued this severe thunderstorm warning at Jun 24, 1997, 5:37 PM CDT for Langlade County, Wisconsin. It was in force for 38 min. 1 report 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: Jun 24, 1997, 5:37 PM CDT (22:37 UTC)
Expired: Jun 24, 1997, 6:15 PM CDT
In force: 38 min
Issued by: NWS Green Bay, WI
Area: Whole counties

County Langlade County, WI

What was reported inside it

Time	Report	Where	Remark
Jun 24, 5:51 PM CDT	Thunderstorm Wind	Langlade, 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 watch it was issued in

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

Issued	Product	Office	Lasted
Jun 24, 1:45 PM CDT	Tornado Watch	SPC	6 hr
Jun 24, 5:15 PM CDT	Severe Thunderstorm Watch	SPC	6 hr

The nearest sounding before it

Green Bay/Straub, WI (KGRB), launched 12:00Z, 10.6 hours before the alert went out and 116 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: 1293 J/kg
Mixed-layer CIN: -49 J/kg
Mixed-layer LCL: 1072 m above ground
0-6 km bulk shear: 18 kt
0-1 km storm-relative helicity: 1 m²/s²
0-3 km storm-relative helicity: 46 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.

121 
WUUS1 KGRB 242238 RRA
SVRGRB
WIC067-242315-

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE GREEN BAY WI
537 PM CDT TUE JUN 24 1997

* SEVERE THUNDERSTORM WARNING FOR
  EASTERN LANGLADE COUNTY - NORTHEASTERN WISCONSIN

* UNTIL 615 PM CDT
 
* SOME LOCATIONS AFFECTED
  WHITE LAKE
  LANGLADE

* AT 535 PM NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM 10 MILES SOUTHWEST OF LANGLADE. THE STORM
  WAS MOVING NORTHEAST AT 45 MPH.

* THE STORM WILL BE OVER LANGLADE BY 545 PM.

THIS STORM CONTAINS WINDS TO 60 MPH. MOVE TO A STURDY SHELTER.

JKL/AK

The office that day

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

Issued	Product	Office	Counties	Lasted
Jun 24, 3:59 PM CDT	Severe Thunderstorm Warning	GRB	Wood	46 min
Jun 24, 4:06 PM CDT	Severe Thunderstorm Warning	GRB	Portage, Waushara	49 min
Jun 24, 4:30 PM CDT	Severe Thunderstorm Warning	GRB	Marathon, Waupaca	45 min
Jun 24, 5:04 PM CDT	Severe Thunderstorm Warning	GRB	Shawano	46 min
Jun 24, 5:22 PM CDT	Severe Thunderstorm Warning	GRB	Menominee, Oconto	63 min
Jun 24, 5:51 PM CDT	Severe Thunderstorm Warning	GRB	Marinette	59 min
Jun 24, 5:54 PM CDT	Severe Thunderstorm Warning	GRB	Calumet, Manitowoc	61 min
Jun 24, 6:36 PM CDT	Severe Thunderstorm Warning	GRB	Kewaunee	64 min

Nearby

Severe Thunderstorm Warnings in Wisconsin, 1997 Every severe thunderstorm warning in 1997

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.