Alert archive / Wisconsin / Severe Thunderstorm Warnings in 1998
Severe Thunderstorm Warning 91, NWS Milwaukee, WI
NWS Milwaukee, WI issued this severe thunderstorm warning at Jun 27, 1998, 9:54 PM CDT for Dane County, Iowa County, Wisconsin. It was in force for 91 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, 9:54 PM CDT (02:54 UTC)
- Expired
- Jun 27, 1998, 11:25 PM CDT
- In force
- 91 min
- Issued by
- NWS Milwaukee, WI
- Area
- Whole counties
Counties Dane County, WI, Iowa County, WI
What was reported inside it
| Time | Report | Where | Remark |
|---|---|---|---|
| Jun 27, 10:50 PM CDT | Thunderstorm Wind | De Forest, WI | |
| Jun 27, 11:00 PM CDT | Thunderstorm Wind | Dodgeville, WI | |
| Jun 27, 11:10 PM CDT | Thunderstorm Wind 56 | Belleville, 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, 2.9 hours before the alert went out and 168 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.
- 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
The text
As transmitted, in the capitals the NWS used until 2016.
000 TTAA00 KMKE 280254 RRA SVRMKE WIC021-025-049-077-280425- BULLETIN - IMMEDIATE BROADCAST REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE MILWAUKEE/SULLIVAN WI 954 PM CDT SAT JUN 27 1998 THE NATIONAL WEATHER SERVICE IN MILWAUKEE/SULLIVAN WI HAS ISSUED A * SEVERE THUNDERSTORM WARNING FOR... COLUMBIA COUNTY IN SOUTH CENTRAL WISCONSIN DANE COUNTY IN SOUTH CENTRAL WISCONSIN IOWA COUNTY IN SOUTH CENTRAL WISCONSIN MARQUETTE COUNTY IN CENTRAL WISCONSIN * UNTIL 1125 PM CDT * AT 950 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A LINE OF SEVERE THUNDERSTORMS EXTENDING FROM EASTON IN JUNEAU COUNTY TO NEAR PLAIN IN SAUK COUNTY... MOVING EAST SOUTHEAST AT 45 MPH. THESE SEVERE THUNDERSTORMS WILL PRODUCE HURRICANE FORCE WINDS OF AROUND 80 MPH AND WILL PRODUCE WIDESPREAD WIND DAMAGE ACROSS MARQUETTE...COLUMBIA...DANE AND IOWA COUNTIES. 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, 5 hours 15 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.
HENTZLocal storm report, Jun 27, 4:39 PM CDT, 5 hours 15 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.
HENTZThe 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 | 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, 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; verification from NCEI's Storm Data; the sounding from the Mesonet's radiosonde archive.