Alert archive / Wisconsin / Severe Thunderstorm Warnings in 1997

Severe Thunderstorm Warning 23, NWS Green Bay, WI

June 24, 1997Calumet County, Manitowoc County, Wisconsin

NWS Green Bay, WI issued this severe thunderstorm warning at Jun 24, 1997, 5:54 PM CDT for Calumet County, Manitowoc County, Wisconsin. It was in force for 61 min. 6 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, 5:54 PM CDT (22:54 UTC)
Expired: Jun 24, 1997, 6:55 PM CDT
In force: 61 min
Issued by: NWS Green Bay, WI
Area: Whole counties

Counties Calumet County, WI, Manitowoc County, WI

What was reported inside it

Time	Report	Where
Jun 24, 6:10 PM CDT	Thunderstorm Wind	Kiel, WI
Jun 24, 6:11 PM CDT	Thunderstorm Wind	Kiel, WI
Jun 24, 6:25 PM CDT	Thunderstorm Wind	St Nazianz, WI
Jun 24, 6:25 PM CDT	Thunderstorm Wind	St Nazianz, WI
Jun 24, 6:30 PM CDT	Thunderstorm Wind	Sherwood, WI
Jun 24, 6:37 PM CDT	Thunderstorm Wind	Cato, 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, 5:15 PM CDT	Severe Thunderstorm Watch	SPC	6 hr

The nearest sounding before it

Green Bay/Straub, WI (KGRB), launched 12:00Z, 10.9 hours before the alert went out and 45 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.

197 
WUUS1 KGRB 242255 RRA
SVRGRB
WIC015-071-242355-

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

* SEVERE THUNDERSTORM WARNING FOR
  CALUMET COUNTY - EAST CENTRAL WISCONSIN
  MANITOWOC COUNTY - EAST CENTRAL WISCONSIN

* UNTIL 655 PM CDT
 
* SOME LOCATIONS AFFECTED
  CHILTON
  NEW HOLSTEIN
  MANITOWOC

* AT 553 PM NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM OVER FOND DU LAC. THE STORM WAS MOVING
  NORTHEAST AT 40 MPH.

* THE STORM WILL BE OVER CHILTON BY 615 PM AND MANITOWOC BY 630 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, 1 hour 23 minutes earlier.

Area forecast discussion, Jun 24, 4:31 PM CDT, 1 hour 23 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, 5:06 PM CDT, 48 minutes before

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

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

0415 PM    MARSHFIELD                WI   60 MPH WIND GUST
06/24/97   WOOD                           MEASURED AT RADIO STATION

JKL

Local storm report, Jun 24, 5:07 PM CDT, 47 minutes before

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

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

0415 PM    MARSHFIELD                WI   60 MPH WIND GUST
06/24/97   WOOD                           MEASURED AT RADIO STATION

JKL

Local storm report, Jun 24, 5:21 PM CDT, 33 minutes before

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

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

0500 PM    WAUPACA                   WI   WIND DAMAGE
06/24/97   WAUPACA                        5 TO 8 INCH TREE TRUNKS
                                          DOWN

PLH

Local storm report, Jun 24, 5:22 PM CDT, 32 minutes before

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

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

0500 PM    WAUPACA                   WI   WIND DAMAGE
06/24/97   WAUPACA                        5 TO 8 INCH TREE TRUNKS
                                          DOWN

PLH

Local storm report, Jun 24, 5:34 PM CDT, 20 minutes before

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

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

0527 PM    KESHENA                   WI   WIND DAMAGE
06/24/97   MENOMINEE                      TREES DOWN BLOCKING ROAD

0525 PM    GRESHAM                   WI   WIND DAMAGE
06/24/97   SHAWANO                        TREES DOWN

PLH

Local storm report, Jun 24, 5:35 PM CDT, 19 minutes before

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

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

0527 PM    KESHENA                   WI   WIND DAMAGE
06/24/97   MENOMINEE                      TREES DOWN BLOCKING ROAD

0525 PM    GRESHAM                   WI   WIND DAMAGE
06/24/97   SHAWANO                        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, 5:04 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, 5:37 PM CDT	Severe Thunderstorm Warning	GRB	Langlade	38 min
Jun 24, 5:51 PM CDT	Severe Thunderstorm Warning	GRB	Marinette	59 min
Jun 24, 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.