Alert archive / Wisconsin / Severe Thunderstorm Warnings in 1998
Severe Thunderstorm Warning 73, NWS Milwaukee, WI
NWS Milwaukee, WI issued this severe thunderstorm warning at Jun 20, 1998, 8:35 PM CDT for Columbia County, Dane County, Wisconsin. It was in force for 55 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
- Jun 20, 1998, 8:35 PM CDT (01:35 UTC)
- Expired
- Jun 20, 1998, 9:30 PM CDT
- In force
- 55 min
- Issued by
- NWS Milwaukee, WI
- Area
- Whole counties
Counties Columbia County, WI, Dane County, WI
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 20, 7:00 PM CDT | Severe Thunderstorm Watch | SPC | 6 hr |
The nearest sounding before it
Green Bay/Straub, WI (KGRB), launched 00:00Z, 1.6 hours before the alert went out and 169 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
- 1112 J/kg
- Mixed-layer CIN
- -47 J/kg
- Mixed-layer LCL
- 1800 m above ground
- 0-6 km bulk shear
- 11 kt
- 0-1 km storm-relative helicity
- -19 m²/s²
- 0-3 km storm-relative helicity
- -6 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
628 WUUS1 KMKE 210136 RRA SVRMKE WIC021-025-210230- BULLETIN - IMMEDIATE BROADCAST REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE MILWAUKEE/SULLIVAN WI 835 PM CDT SAT JUN 20 1998 THE NATIONAL WEATHER SERVICE IN MILWAUKEE/SULLIVAN WI HAS ISSUED A * SEVERE THUNDERSTORM WARNING FOR... SOUTHERN COLUMBIA COUNTY IN SOUTH CENTRAL WISCONSIN NORTHERN DANE COUNTY IN SOUTH CENTRAL WISCONSIN * UNTIL 930 PM CDT * AT 835 PM ...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A SEVERE THUNDERSTORM NEAR MORRISONVILLE IN NORTHERN DANE COUNTY. ...MOVING EAST NORTHEAST AT 20 MPH. * SPOTTERS INDICATED ONE INCH HAIL AT DEFOREST IN NORTHERN DANE COUNTY AT 828 PM. 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. JH/COLLAR &
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, Jun 20, 7:21 PM CDT, 1 hour 14 minutes before
WIZ046-056-057-062-063-067-210115- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE MILWAUKEE/SULLIVAN WI 721 PM CDT SAT JUN 20 1998 ...SEVERE THUNDERSTORM WATCH REPLACES TORNADO WATCH ISSUED EARLIER THIS AFTERNOON... ...FLASH FLOOD WATCH IN EFFECT FOR A PORTION OF SOUTHWEST WISCONSIN... THE TORNADO WATCH ISSUED EARLIER THIS AFTERNOON HAS BEEN REPLACED BY A SEVERE THUNDERSTORM WATCH. THE SEVERE THUNDERSTORM WATCH IS IN EFFECT UNTIL 1 AM CDT. AT THIS TIME IT APPEARS THE GREATEST DANGER FROM THE THUNDERSTORMS ENTERING WESTERN WISCONSIN IS LARGE HAIL AND DAMAGING WINDS UP TO 60 MPH. THE AIRMASS OVER SOUTHERN WISCONSIN CONTINUES TO BE VERY UNSTABLE AND CAPABLE PRODUCING SEVERE WEATHER. BRIEF TORRENTIAL RAINFALL IS ALSO POSSIBLE AND A FLASH FLOOD WATCH CONTINUES IN EFFECT FOR A POERTION OF SOUTHWEST WISCONSIN TONIGHT. GARCIA
The office that day
Everything else NWS Milwaukee, WI issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 20, 8:45 PM CDT | Severe Thunderstorm Warning | MKX | Dodge, Fond du Lac | 60 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.