Alert archive / Wisconsin / Severe Thunderstorm Warnings in 1998

Severe Thunderstorm Warning 90, NWS Milwaukee, WI

June 27, 1998Sauk County, Wisconsin

NWS Milwaukee, WI issued this severe thunderstorm warning at Jun 27, 1998, 9:07 PM CDT for Sauk County, Wisconsin. It was in force for 93 min. 3 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 27, 1998, 9:07 PM CDT (02:07 UTC)
Expired: Jun 27, 1998, 10:40 PM CDT
In force: 93 min
Issued by: NWS Milwaukee, WI
Area: Whole counties

County Sauk County, WI

What was reported inside it

Time	Report	Where
Jun 27, 9:36 PM CDT	Thunderstorm Wind 50	Baraboo, WI
Jun 27, 9:41 PM CDT	Thunderstorm Wind 51	La Valle, WI
Jun 27, 10:26 PM CDT	Thunderstorm Wind 56	Loganville, 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 00:00Z, 2.1 hours before the alert went out and 189 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: 27 J/kg
Mixed-layer CIN: -435 J/kg
Mixed-layer LCL: 689 m above ground
0-6 km bulk shear: 39 kt
0-1 km storm-relative helicity: 41 m²/s²
0-3 km storm-relative helicity: 64 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 280207 RRA
SVRMKE
WIC111-280340-

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE MILWAUKEE/SULLIVAN WI
907 PM CDT SAT JUN 27 1998

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

* SEVERE THUNDERSTORM WARNING FOR...
  SAUK COUNTY IN SOUTH CENTRAL WISCONSIN

* UNTIL 1040 PM CDT

* AT 905 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED
  A SEVERE THUNDERSTORM NEAR WESTBY IN VERNON COUNTY... MOVING EAST
  AT 45 MPH.

THESE SEVERE THUNDERSTORMS WILL CAUSE WIDESPREAD WIND DAMAGE ACROSS
SAUK COUNTY WITH WIND GUSTS OF HURRICANE FORCE TO 80 MPH.

IF YOU ARE IN THESE AREAS... SEEK SAFETY IN A SMALL INTERIOR ROOM
AWAY FROM WINDOWS. A BASEMENT OFFERS THE BEST PROTECTION. SEVERE
THUNDERSTORMS WILL OCCASIONALLY PRODUCE TORNADOES.

HENTZ/JH

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 27, 4:39 PM CDT, 4 hours 28 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE MILWAUKEE/SULLIVAN WI
439 PM CDT SAT JUN 27 1998

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

0255 AM    BARABOO                   WI   WIND DAMAGE
06/27/98   SAUK                           BRANCHES DOWN SCATTERED
                                          ACROSS THE COUNTY.  MINOR
                                          DAMAGE.  FROM SHERIFF
                                          DEPARTMENT.

0300 AM    BROOKLIN                  WI   WIND DAMAGE
06/27/98   GREEN LAKE                     TREE DOWN CNTY RD J AND A

0301 AM    GREEN LAKE                WI   WIND DAMAGE
06/27/98   GREEN LAKE                     TREE DOWN.  REPORTED BY
                                          COUNTY SHERIFF.

0320 AM    PORTAGE                   WI   WIND DAMAGE
06/27/98   COLUMBIA                       COUPLE OF TREES DOWN.
            >                              REPORTED BY SHERIFF DEPT.

HENTZ

Local storm report, Jun 27, 4:39 PM CDT, 4 hours 28 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE MILWAUKEE/SULLIVAN WI
439 PM CDT SAT JUN 27 1998

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

0255 AM    BARABOO                   WI   WIND DAMAGE
06/27/98   SAUK                           BRANCHES DOWN SCATTERED
                                          ACROSS THE COUNTY.  MINOR
                                          DAMAGE.  FROM SHERIFF
                                          DEPARTMENT.

0300 AM    BROOKLIN                  WI   WIND DAMAGE
06/27/98   GREEN LAKE                     TREE DOWN CNTY RD J AND A

0301 AM    GREEN LAKE                WI   WIND DAMAGE
06/27/98   GREEN LAKE                     TREE DOWN.  REPORTED BY
                                          COUNTY SHERIFF.

0320 AM    PORTAGE                   WI   WIND DAMAGE
06/27/98   COLUMBIA                       COUPLE OF TREES DOWN.
            >                              REPORTED BY SHERIFF DEPT.

HENTZ

The office that day

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

Issued	Product	Office	Counties	Lasted
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
Jun 28, 2:06 AM CDT	Severe Thunderstorm Warning	MKX	Dane, Green	59 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.