Alert archive / Wisconsin / Severe Thunderstorm Warnings in 1997

Severe Thunderstorm Warning 19, NWS Green Bay, WI

June 24, 1997Shawano County, Wisconsin

NWS Green Bay, WI issued this severe thunderstorm warning at Jun 24, 1997, 5:04 PM CDT for Shawano County, Wisconsin. It was in force for 46 min. 2 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: Jun 24, 1997, 5:04 PM CDT (22:04 UTC)
Expired: Jun 24, 1997, 5:50 PM CDT
In force: 46 min
Issued by: NWS Green Bay, WI
Area: Whole counties

County Shawano County, WI

What was reported inside it

Time	Report	Where	Remark
Jun 24, 5:15 PM CDT	Thunderstorm Wind	Wittenberg, WI
Jun 24, 5:25 PM CDT	Thunderstorm Wind	Gresham, 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, 10.1 hours before the alert went out and 63 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.

857 
WUUS1 KGRB 242205 RRA
SVRGRB
WIC115-242250-

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

* SEVERE THUNDERSTORM WARNING FOR
  SHAWANO COUNTY - NORTHEASTERN WISCONSIN

* UNTIL 550 PM CDT
 
* SOME LOCATIONS AFFECTED
  SHAWANO
  BONDUEL
  NAVARINO

* AT 505 PM NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM 15 MILES SOUTHWEST OF SHAWANO...NEAR
  CLINTONVILLE. THE STORM WAS MOVING NORTHEAST AT 40 MPH.

* THE STORM WILL BE OVER SHAWANO BY 525 PM.

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

JKL/AK

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 Green Bay, WI wrote its last area forecast discussion before this severe thunderstorm warning went out at Jun 24, 4:31 PM CDT, 33 minutes earlier.

Area forecast discussion, Jun 24, 4:31 PM CDT, 33 minutes before

AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE GREEN BAY WI
431 PM CDT TUE JUN 24 1997

SHORT-TERM PBLM CENTERS AROUND SVR RISK FOR THE FIRST PART
OF THE NGT AS CDFNT APPROACHES FROM THE WEST AND SHRTWV MVS FROM SW TO
NE. ATM PLENTY UNSTABLE WITH ADAP PROVIDING LI'S OF -10 AND MODIFIED 12Z
GRB SNDNG GIVES CAPES OF 3500 J/KG...TT'S OF 51 AND K INDICES OF 36. DO
NOT BELIEVE ENUF DIRECTIONAL SHEAR TO SET OFF TORNADIC SUPERCELLS AND
FRZ LVL TOO HIGH FOR LRG HAIL. HOWEVER...DAMAGING WNDS A POSSIBILITY AS
WELL AS TORRENTIAL DOWNPOURS AND PW VALUES PUSHING 1.7 INCHES AND DEW
PTS IN THE LOWER TO MID 70S.

ONCE TSTMS PUSH THRU THE AREA...QSTN BECOMES HOW FAST TO BRING THE
CLEARING TREND IN. ALL THREE MDLS BRING LRG SWATH OF DRIER AIR INTO ALL
OF NE WI BY DAYBREAK WITH MEAN RH'S DROPPING TO AOB 30 PERCENT. HESITATE
TO GO AGAINST THE MAJORITY AS THERE IS STILL PLENTY OF CLDS BACK INTO
THE CNTRL PLAINS...BUT IN THE END WL GO ALONG WITH THE MD$LS MAYBE A FEW
HRS BEHIND THEM THO.

TEMP FCST WL BE TOUGH DEPENDING ON WHERE CONVECTION OCCURS AND THEN AMT
OF CLEARING LATE. WL KEEP TEMPS SOMEWHERE BETWEEN AVN AND NGM FOR NOW.

KALLAS

In the hours before

Local storm report, Jun 24, 4:20 PM CDT, 44 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE GREEN BAY WI
419 PM CDT TUE JUN 24 1997

TIME(CDT)  .....CITY LOCATION.....STATE   ...EVENT/REMARKS...
           ....COUNTY LOCATION....

0410 PM    DEXTERVILLE               WI   WIND DAMAGE
06/24/97   WOOD                           TREES DOWN

0413 PM    2 S PITTSVILLE            WI   WIND DAMAGE
06/24/97   WOOD                           60 MPH WINDS

PLH

Local storm report, Jun 24, 4:31 PM CDT, 33 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE GREEN BAY WI
431 PM CDT TUE JUN 24 1997

TIME(CDT)  .....CITY LOCATION.....STATE   ...EVENT/REMARKS...
           ....COUNTY LOCATION....

0425 PM    10 S WAUTOMA              WI   WIND DAMAGE
06/24/97   WAUSHARA                       LARGE TREE BLOCKING HWY 73
                                          JUST SOUTH OF HWY 21

PLH

Local storm report, Jun 24, 4:32 PM CDT, 32 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE GREEN BAY WI
431 PM CDT TUE JUN 24 1997

TIME(CDT)  .....CITY LOCATION.....STATE   ...EVENT/REMARKS...
           ....COUNTY LOCATION....           (

0425 PM    10 S WAUTOMA              WI   WIND DAMAGE
06/24/97   WAUSHARA                       LARGE TREE BLOCKING HWY 73
                                          JUST SOUTH OF HWY 21

PLH

Local storm report, Jun 24, 4:36 PM CDT, 28 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE GREEN BAY WI
436 PM CDT TUE JUN 24 1997

TIME(CDT)  .....CITY LOCATION.....STATE   ...EVENT/REMARKS...
           ....COUNTY LOCATION....

0432 PM    5 S STRATFORD             WI   WIND DAMAGE
06/24/97   MARATHON                       POWER LINES DOWN AND BROKEN
                                          BRANCHES

PLH

Local storm report, Jun 24, 4:53 PM CDT, 11 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE GREEN BAY WI
453 PM CDT TUE JUN 24 1997

TIME(CDT)  .....CITY LOCATION.....STATE   ...EVENT/REMARKS...
           ....COUNTY LOCATION....

0446 PM    WAUPACA                   WI   WIND DAMAGE
06/24/97   WAUPACA                        TREES AND POWER LINES DOWN

PLH

Local storm report, Jun 24, 5:02 PM CDT, 2 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE GREEN BAY WI
502 PM CDT TUE JUN 24 1997

TIME(CDT)  .....CITY LOCATION.....STATE   ...EVENT/REMARKS...
           ....COUNTY LOCATION....

0430 PM    SAXEVILLE/WILD ROSE       WI   WIND DAMAGE
06/24/97   WAUSHARA                       TREES DOWN

PLH

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, 5:22 PM CDT	Severe Thunderstorm Warning	GRB	Menominee, Oconto	63 min
Jun 24, 5:37 PM CDT	Severe Thunderstorm Warning	GRB	Langlade	38 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.