Alert archive / Wisconsin / Severe Thunderstorm Warnings in 1998

Severe Thunderstorm Warning 98, NWS Milwaukee, WI

June 28, 1998Dane County, Green County, Wisconsin

NWS Milwaukee, WI issued this severe thunderstorm warning at Jun 28, 1998, 2:06 AM CDT for Dane County, Green County, Wisconsin. It was in force for 59 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 28, 1998, 2:06 AM CDT (07:06 UTC)
Expired: Jun 28, 1998, 3:05 AM CDT
In force: 59 min
Issued by: NWS Milwaukee, WI
Area: Whole counties

Counties Dane County, WI, Green County, WI

What was reported inside it

Time	Report	Where	Remark
Jun 28, 2:30 AM CDT	Thunderstorm Wind	Belleville, WI
Jun 28, 2:45 AM CDT	Thunderstorm Wind	Monroe, 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 27, 9:45 PM CDT	Severe Thunderstorm Watch	SPC	5 hr

The nearest sounding before it

Davenport, (KDVN), launched 00:00Z, 7.1 hours before the alert went out and 161 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: 4171 J/kg
Mixed-layer CIN: -42 J/kg
Mixed-layer LCL: 1286 m above ground
0-6 km bulk shear: 34 kt
0-1 km storm-relative helicity: 11 m²/s²
0-3 km storm-relative helicity: 103 m²/s²
Significant tornado parameter: 0.5
Supercell composite: 4.1

Open this sounding in Storm Lab

The text

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

000 
TTAA00 KMKE 280706 RRA
SVRMKE
WIC025-045-280805-

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE MILWAUKEE/SULLIVAN WI
206 AM CDT SUN JUN 28 1998

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

* SEVERE THUNDERSTORM WARNING FOR...
  SOUTHERN DANE COUNTY IN SOUTH CENTRAL WISCONSIN
  GREEN COUNTY IN SOUTH CENTRAL WISCONSIN

* UNTIL 305 AM CDT

* AT 205 AM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED
  A LINE OF SEVERE THUNDERSTORMS EXTENDING FROM DODGEVILLE IN IOWA
  COUNTY TO GRATIOT IN LAFAYETTE COUNTY... MOVING EAST AT 40 MPH..

THE LINE OF SEVERE THUNDERSTORMS WILL PRODUCE WINDS TO 60 MPH
ALONG WITH VERY HEAVY RAINS WHICH WILL CAUSE FLOOrDING.

IF YOU ARE IN THESE AREAS... SEEK SAFETY IN A SMALL INTERIOR ROOM
AWAY FROM WINDOWS. DO NOT CROSS ANY ROADS THAT ARE FLOODED.

JH/HENTZ

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

Local storm report, Jun 28, 1:43 AM CDT, 23 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE MILWAUKEE/SULLIVAN
143 AM CDT SUN JUN 28 1998

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

1000 PM    BARABOO                   WI   WIND DAMAGE
06/27/98   SAUK                           NUMEROUS TREES AND WIRES
                                          DOWN ACROSS THE COUNTY.

1100 PM    PORTAGE                   WI   WIND DAMAGE
06/27/98   COLUMBIA                       2 OR 3 TREES DOWN IN THE
                                          COUNTY.

1100 PM    DODGEVILLE                WI   WIND DAMAGE
06/27/98   IOWA                           TRESS DOWN.  NO POWER IN
                                          THE CITY OF DODGEVILLE.

1110 PM    MADISON                   WI   WIND DAMAGE
06/27/98   DANE                           20 TO 25 TREES DOWN ACROSS
                                          COUNTY.

1150 PM    JANESVILLE                WI   WIND DAMAGE
06/27/98   ROCK                           MANY TREES DOWN.

1238 AM    LAKE GENEVA               WI   60 MPH WIND GUST
06/28/98   WALWORTH

HENTZ

Local storm report, Jun 28, 1:43 AM CDT, 23 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE MILWAUKEE/SULLIVAN
143 AM CDT SUN JUN 28 1998

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

1000 PM    BARABOO                   WI   WIND DAMAGE
06/27/98   SAUK                           NUMEROUS TREES AND WIRES
                                          DOWN ACROSS THE COUNTY.

1100 PM    PORTAGE                   WI   WIND DAMAGE
06/27/98   COLUMBIA                       2 OR 3 TREES DOWN IN THE
                                          COUNTY.

1100 PM    DODGEVILLE                WI   WIND DAMAGE
06/27/98   IOWA                           TRESS DOWN.  NO POWER IN
                                          THE CITY OF DODGEVILLE.

1110 PM    MADISON                   WI   WIND DAMAGE
06/27/98   DANE                           20 TO 25 TREES DOWN ACROSS
                                          COUNTY.

1150 PM    JANESVILLE                WI   WIND DAMAGE
06/27/98   ROCK                           MANY TREES DOWN.

1238 AM    LAKE GENEVA               WI   60 MPH WIND GUST
06/28/98   WALWORTH

HENTZ

Local storm report, Jun 28, 1:45 AM CDT, 21 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE MILWAUKEE/SULLIVAN
145 AM CDT SUN JUN 28 1998

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

1240 AM    ELKHORN                   WI   WIND DAMAGE
06/28/98   WALWORTH                       SEVERAL TREES DOWN

HENTZ

Local storm report, Jun 28, 1:45 AM CDT, 21 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE MILWAUKEE/SULLIVAN
145 AM CDT SUN JUN 28 1998

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

1240 AM    ELKHORN                   WI   WIND DAMAGE
06/28/98   WALWORTH                       SEVERAL TREES DOWN

HENTZ

The office that day

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

Issued	Product	Office	Counties	Lasted
Jun 27, 9:07 PM CDT	Severe Thunderstorm Warning	MKX	Sauk	93 min
Jun 27, 9:54 PM CDT	Severe Thunderstorm Warning	MKX	Dane, Iowa	91 min
Jun 27, 9:54 PM CDT	Severe Thunderstorm Warning	MKX	Columbia, Marquette	91 min
Jun 27, 10:22 PM CDT	Severe Thunderstorm Warning	MKX	Green Lake	78 min
Jun 27, 11:36 PM CDT	Severe Thunderstorm Warning	MKX	Rock	64 min
Jun 28, 12:00 AM CDT	Severe Thunderstorm Warning	MKX	Walworth	65 min
Jun 28, 12:30 AM CDT	Severe Thunderstorm Warning	MKX	Kenosha, Racine	60 min
Jun 28, 1:19 AM CDT	Flash Flood Warning	MKX	Iowa, Sauk	4 hr
Jun 28, 1:19 AM CDT	Flash Flood Warning	MKX	Lafayette	4 hr
Jun 28, 1:24 AM CDT	Severe Thunderstorm Warning	MKX	Iowa, Lafayette	61 min
Jun 28, 2:02 AM CDT	Flash Flood Warning	MKX	Dane, Green, Rock	4 hr

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.