Alert archive / Wisconsin / Severe Thunderstorm Warnings in 1998

Severe Thunderstorm Warning 148, NWS Green Bay, WI

September 1, 1998Kewaunee County, Manitowoc County, Wisconsin

NWS Green Bay, WI issued this severe thunderstorm warning at Sep 1, 1998, 6:37 PM CDT for Kewaunee County, Manitowoc 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: Sep 1, 1998, 6:37 PM CDT (23:37 UTC)
Expired: Sep 1, 1998, 7:15 PM CDT
In force: 38 min
Issued by: NWS Green Bay, WI
Area: Whole counties

Counties Kewaunee County, WI, Manitowoc County, WI

The radar

The Green Bay radar (KGRB), 46 km from the middle of the area, began a volume at 23:39 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.

What was reported inside it

Time	Report	Where	Remark
Sep 1, 6:45 PM CDT	Thunderstorm Wind 50	Kewaunee, 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, 11.6 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: 0 J/kg
Mixed-layer CIN: No buoyant parcel
Mixed-layer LCL: 1079 m above ground
0-6 km bulk shear: 17 kt
0-1 km storm-relative helicity: 49 m²/s²
0-3 km storm-relative helicity: 57 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

Open this sounding in Storm Lab

The text

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

000 
TTAA00 KGRB 012337 RRA
SVRGRB
WIC061-071-020015-

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE GREEN BAY WI
637 PM CDT TUE SEP 1 1998

THE NATIONAL WEATHER SERVICE IN GREEN BAY HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  SOUTHERN KEWAUNEE COUNTY IN NORTHEAST WISCONSIN
  NORTHERN MANITOWOC COUNTY IN EAST-CENTRAL WISCONSIN

* UNTIL 715 PM CDT

* AT 636 PM...NATIONAL WEATHER SERVICE DOPPLER RADAR DETECTED A SEVERE
  THUNDERSTORM 15 MILES SOUTHEAST OF GREEN BAY. MOVEMENT WAS EAST AT 
  35 MILES AN HOUR.

* THE SEVERE THUNDERSTORM WILL BE NEAR...
  STANGELVILLE BY 650 PM
  TISCH MILLS BY 655 PM
  NORMAN BY 655 PM
  TWO CREEKS BY 700 PM

THIS THUNDERSTORM WILL PRODUCE WINDS TO 60 MPH. STAY AWAY FROM WINDOWS
UNTIL THE STORMS PASS. THIS THUNDERSTORM WILL ALSO PRODUCE HAIL TO 
3/4 INCH IN DIAMETER.

JKL/EB

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 Sep 1, 6:00 PM CDT, 37 minutes earlier.

Area forecast discussion, Sep 1, 6:00 PM CDT, 37 minutes before

AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE GREEN BAY WI
600 PM CDT TUE SEP 1 1998

TSTMS CONT TO MV SE ACRS MY FCST AREA. THE STORMS ARE NOT AS INTENSE AS
EARLIER THIS AFTN. ALTHOUGH LOW-LEVEL TEMPS/DWPTS ARE A BIT HIGHER IN
E-C WI THAN THEY WERE FARTHER NORTH...UPR LEVEL TEMPS ARE NOT AS COOL AS
THEY WERE ACRS THE NORTH. IT APPEARS THAT THE STRONGEST STORMS COULD
STILL PRODUCE PEA-SIZED HAIL AND A FEW WIND GUSTS TO 40 MPH AS THEY MV
ACRS THE REST OF MY FCST AREA THIS EVENING.

JS

In the hours before

Local storm report, Sep 1, 6:20 PM CDT, 17 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE GREEN BAY WI
620 PM CDT TUE SEP 1 1998

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

0455 PM    FISH CREEK                WI   WIND DAMAGE
09/01/98   DOOR                           TREES DOWN OVER GIBRALTAR
                                          TOWNSHIP.

0505 PM    BAILEYS HARBOR            WI   WIND DAMAGE
09/01/98   DOOR                           TREES DOWN OVER BAILEYS
                                          HARBOR TOWNSHIP.

JKL

Local storm report, Sep 1, 6:20 PM CDT, 17 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE GREEN BAY WI
620 PM CDT TUE SEP 1 1998

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

0455 PM    FISH CREEK                WI   WIND DAMAGE
09/01/98   DOOR                           TREES DOWN OVER GIBRALTAR
                                          TOWNSHIP.

0505 PM    BAILEYS HARBOR            WI   WIND DAMAGE
09/01/98   DOOR                           TREES DOWN OVER BAILEYS
                                          HARBOR TOWNSHIP.

JKL

Local storm report, Sep 1, 6:27 PM CDT, 10 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE GREEN BAY WI
627 PM CDT TUE SEP 1 1998

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

0622 PM    BELLEVUE                  WI   .75 INCH HAIL
09/01/98   DOOR                           DIME-SIZE HAIL EAST OF THE
                                          CITY OF GREEN BAY.

JKL/JS

Local storm report, Sep 1, 6:27 PM CDT, 10 minutes before

PRELIMINARY LOCAL STORM REPORT ...CORRECTION...
NATIONAL WEATHER SERVICE GREEN BAY WI
627 PM CDT TUE SEP 1 1998

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

0622 PM    BELLEVUE                  WI   .75 INCH HAIL
09/01/98   BROWN                          DIME-SIZE HAIL EAST OF THE
                                          CITY OF GREEN BAY.

JKL/JS

Local storm report, Sep 1, 6:27 PM CDT, 10 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE GREEN BAY WI
627 PM CDT TUE SEP 1 1998

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

0622 PM    BELLEVUE                  WI   .75 INCH HAIL
09/01/98   DOOR                           DIME-SIZE HAIL EAST OF THE
                                          CITY OF GREEN BAY.

JKL/JS

Local storm report, Sep 1, 6:27 PM CDT, 10 minutes before

PRELIMINARY LOCAL STORM REPORT ...CORRECTION...
NATIONAL WEATHER SERVICE GREEN BAY WI
627 PM CDT TUE SEP 1 1998

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

0622 PM    BELLEVUE                  WI   .75 INCH HAIL
09/01/98   BROWN                          DIME-SIZE HAIL EAST OF THE
                                          CITY OF GREEN BAY.

JKL/JS

The office that day

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

Issued	Product	Office	Counties	Lasted
Sep 1, 2:47 PM CDT	Severe Thunderstorm Warning	GRB	Oneida	58 min
Sep 1, 3:32 PM CDT	Severe Thunderstorm Warning	GRB	Marinette, Oconto	43 min
Sep 1, 4:40 PM CDT	Severe Thunderstorm Warning	GRB	Door	65 min

Nearby

Severe Thunderstorm Warnings in Wisconsin, 1998 Every severe thunderstorm warning in 1998

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; radar from the NEXRAD Level II archive.