Alert archive / Wisconsin / Severe Thunderstorm Warnings in 1998

Severe Thunderstorm Warning 17, NWS Milwaukee, WI

May 15, 1998Sheboygan County, Wisconsin

NWS Milwaukee, WI issued this severe thunderstorm warning at May 15, 1998, 10:57 PM CDT for Sheboygan County, Wisconsin. It was in force for 63 min. No storm report in the archive falls inside the area while it was in force.

The area

The counties it named.

The facts

Issued
May 15, 1998, 10:57 PM CDT (03:57 UTC)
Expired
May 16, 1998, 12:00 AM CDT
In force
63 min
Issued by
NWS Milwaukee, WI
Area
Whole counties

County Sheboygan County, WI

The radar

The Green Bay radar (KGRB), 86 km from the middle of the area, began a volume at 03:58 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.

IssuedProductOfficeLasted
May 15, 7:30 PM CDTTornado WatchSPC6 hr

The nearest sounding before it

Green Bay/Straub, WI (KGRB), launched 00:00Z, 4.0 hours before the alert went out and 84 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-pSkew-T log-p diagram, Green Bay/Straub, WI at 00:00Z on 1998-05-16Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 577 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Green Bay/Straub, WI at 00:00Z on 1998-05-16The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 194 square meters per square second.19395878Sfc1 km3 km6 km9 kmRMLM
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
577 J/kg
Mixed-layer CIN
-445 J/kg
Mixed-layer LCL
1364 m above ground
0-6 km bulk shear
43 kt
0-1 km storm-relative helicity
194 m²/s²
0-3 km storm-relative helicity
195 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 KMKE 160357 RRA
SVRMKE
WIC117-160500-

BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE MILWAUKEE/SULLIVAN WI
1057 PM CDT FRI MAY 15 1998

THE NATIONAL WEATHER SERVICE IN MILWAUKEE/SULLIVAN WI HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  SHEBOYGAN COUNTY IN EAST CENTRAL WISCONSIN

* UNTIL 1200 AM CDT

* AT 1055 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR
  INDICATED A SEVERE THUNDERSTORM NEAR CAMPBELLSPORT...MOVING
  NORTHEAST AT 45 MPH.

* THE SEVERE THUNDERSTORM WILL BE NEAR...
  PLYMOUTH BY 1115 PM CDT
  ELKHART LAKE BY 1125 PM CDT

A TORNADO WATCH IS ALSO IN EFFECT FOR THE WARNED AREA. REMEMBER
THAT SEVERE THUNDERSTORMS CAN AND OCCASIONALLY DO PRODUCE.
TORNADOES. IF YOU ARE IN THESE AREAS... SEEK SAFETY IN A SMALL
INTERIOR ROOM AWAY FROM WINDOWS. A BASEMENT OFFERS THE BEST
PROTECTION.

TH/RK

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.

In the hours before

Special weather statement, May 15, 10:23 PM CDT, 34 minutes before
WIZ046-047-051-052-056>060-062>072-160600-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE MILWAUKEE/SULLIVAN WI
1024 AM CDT FRI MAY 15 1998

...TORNADO WATCH 358 CANCELED FOR SOUTHWEST WISCONSIN...
d
TORNADO WATCH 358 FOR SOUTHWEST AND PARTS OF SOUTHCENTRAL WISCONSIN
HAS BEEN CANCELED.  SPECIFICALLY THE WATCH HAS BEEN CANCELED FOR
LAFAYETTE...GREEN...IOWA...DANE...SAUK COUNTIES IN SOUTHCENTRAL
WISCONSIN.

KRR
Special weather statement, May 15, 10:24 PM CDT, 33 minutes before
WIZ046-047-051-052-056>060-062>072-160600-

SPECIAL WEATHER STATEMENT...CORRECTION TO TIME
NATIONAL WEATHER SERVICE MILWAUKEE/SULLIVAN WI
1024 PM CDT FRI MAY 15 1998

...TORNADO WATCH 358 CANCELED FOR SOUTHWEST WISCONSIN...

TORNADO WATCH 358 FOR SOUTHWEST AND PARTS OF SOUTHCENTRAL WISCONSIN
HAS BEEN CANCELED.  SPECIFICALLY THE WATCH HAS BEEN CANCELED FOR
LAFAYETTE...GREEN...IOWA...DANE...SAUK COUNTIES IN SOUTHCENTRAL
WISCONSIN.

KRR
Special weather statement, May 15, 10:24 PM CDT, 33 minutes before
WIZ046-047-051-052-056>060-062>072-160600-

SPECIAL WEATHER STATEMENT...CORRECTION TO TIME
NATIONAL WEATHER SERVICE MILWAUKEE/SULLIVAN WI
1024 PM CDT FRI MAY 15 1998

...TORNADO WATCH 358 CANCELED FOR SOUTHWEST WISCONSIN...

TORNADO WATCH 358 FOR SOUTHWEST AND PARTS OF SOUTHCENTRAL WISCONSIN
HAS BEEN CANCELED.  SPECIFICALLY THE WATCH HAS BEEN CANCELED FOR
LAFAYETTE...GREEN...IOWA...DANE...SAUK COUNTIES IN SOUTHCENTRAL
WISCONSIN.

KRR
Local storm report, May 15, 10:26 PM CDT, 31 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE MILWAUKEE/SULLIVAN WI
1026 PM CDT FRI MAY 15 1998

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

0745 PM    1 W BENTON                WI   TORNADO
05/15/98   LAFAYETTE                      *** 3 INJ ***
                                          TORNADO ON THE GROUND FROM
                                          1/2 MILE W OF BENTON NE TO
                                          2 MILES S OF COUNTY LINE ON
                                          HWY O.  TIME 745 PM TO 8 PM
                                          CDT.  3 MINOR INJURIES.
                                          DOZENS OF BARNS HEAVILY
                                          DAMAGED.  AT LEAST DOZEN
                                          HOUSES DAMAGED.  TREES
                                          BLOCKING ROADS.  INJURIES
                                          OCCURRED 1 MILE N OF
                                          HOLLAND RD ON PRAIRIE ROAD.

HENTZ
Local storm report, May 15, 10:26 PM CDT, 31 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE MILWAUKEE/SULLIVAN WI
1026 PM CDT FRI MAY 15 1998

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

0745 PM    1 W BENTON                WI   TORNADO
05/15/98   LAFAYETTE                      *** 3 INJ ***
                                          TORNADO ON THE GROUND FROM
                                          1/2 MILE W OF BENTON NE TO
                                          2 MILES S OF COUNTY LINE ON
                                          HWY O.  TIME 745 PM TO 8 PM
                                          CDT.  3 MINOR INJURIES.
                                          DOZENS OF BARNS HEAVILY
                                          DAMAGED.  AT LEAST DOZEN
                                          HOUSES DAMAGED.  TREES
                                          BLOCKING ROADS.  INJURIES
                                          OCCURRED 1 MILE N OF
                                          HOLLAND RD ON PRAIRIE ROAD.

HENTZ
Special weather statement, May 15, 10:55 PM CDT, 2 minutes before
WIZ046-047-057-069-160600-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE MILWAUKEE/SULLIVAN WI
1055 PM CDT FRI MAY 15 1998

...PORTIONS OF TORNADO WATCH 359 AND 360 CANCELED FOR
   SOUTH CENTAL WISCONSIN...

PORTIONS OF TORNADO WATCH 359 AND 360 FOR SOUTHCENTRAL WISCONSIN
HAVE BEEN CANCELED.  SPECIFICALLY THE WATCH HAS BEEN CANCELED FOR
MARQUETTE...GREEN LAKE...COLUMBIA...AND ROCK COUNTIES IN
SOUTHCENTRAL WISCONSIN.

KRR

The office that day

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

IssuedProductOfficeCountiesLasted
May 15, 7:28 PM CDTTornado WarningMKXLafayette62 min
May 15, 7:56 PM CDTSevere Thunderstorm WarningMKXIowa64 min
May 15, 8:04 PM CDTTornado WarningMKXIowa46 min
May 15, 8:21 PM CDTSevere Thunderstorm WarningMKXDane, Sauk59 min
May 15, 8:25 PM CDTTornado WarningMKXLafayette45 min
May 15, 8:58 PM CDTSevere Thunderstorm WarningMKXGreen, Rock62 min
May 15, 9:07 PM CDTSevere Thunderstorm WarningMKXColumbia, Dane63 min
May 15, 9:11 PM CDTSevere Thunderstorm WarningMKXLafayette34 min
May 15, 9:46 PM CDTSevere Thunderstorm WarningMKXDodge, Jefferson, Walworth59 min
May 15, 9:55 PM CDTSevere Thunderstorm WarningMKXFond du Lac, Green Lake60 min
May 15, 10:38 PM CDTSevere Thunderstorm WarningMKXFond du Lac, Washington, Waukesha62 min
May 15, 10:38 PM CDTSevere Thunderstorm WarningMKXKenosha, Racine62 min

Nearby

Severe Thunderstorm Warnings in Wisconsin, 1998Every 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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.