Alert archive / Wisconsin / Severe Thunderstorm Warnings in 1997
Severe Thunderstorm Warning 103, NWS Milwaukee, WI
NWS Milwaukee, WI issued this severe thunderstorm warning at Sep 19, 1997, 6:14 PM CDT for Jefferson County, Wisconsin. It was in force for 61 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
- Sep 19, 1997, 6:14 PM CDT (23:14 UTC)
- Expired
- Sep 19, 1997, 7:15 PM CDT
- In force
- 61 min
- Issued by
- NWS Milwaukee, WI
- Area
- Whole counties
County Jefferson County, WI
The radar
The Milwaukee radar (KMKX), 19 km from the middle of the area, began a volume at 23:14 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 nearest sounding before it
Green Bay/Straub, WI (KGRB), launched 12:00Z, 11.2 hours before the alert went out and 171 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
- 1082 J/kg
- Mixed-layer CIN
- -102 J/kg
- Mixed-layer LCL
- 538 m above ground
- 0-6 km bulk shear
- 44 kt
- 0-1 km storm-relative helicity
- 180 m²/s²
- 0-3 km storm-relative helicity
- 223 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 6.3
The text
As transmitted, in the capitals the NWS used until 2016.
000 TTAA00 KMKE 192315 RRA SVRMKE WIC055-200015- BULLETIN - IMMEDIATE BROADCAST REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE MILWAUKEE/SULLIVAN WI 614 PM CDT FRI SEP 19 1997 * SEVERE THUNDERSTORM WARNING FOR JEFFERSON COUNTY - SOUTHEASTERN WISCONSIN * UNTIL 715 PM CDT * SOME LOCATIONS AFFECTED AZTALAN STATE PARK JEFFERSON JOHNSON CREEK SULLIVAN * AT 605PM THE PUBLIC REPORTED A SEVERE THUNDERSTORM 30 MILES EAST OF MADISON. THE LINE OF STORMS WAS MOVING EAST AT 30 MPH. FUNNEL CLOUDS HAVE BEEN OBSERVED NEAR THESE STORMS. THIS IS A DANGEROUS STORM. IF YOU ARE IN ITS PATH YOU SHOULD MOVE INSIDE A STRONG BUILDING. DO NOT STAND BY WINDOWS. DO NOT USE TELEPHONES OR ELECTRICAL APPLIANCES UNLESS IN AN EMERGENCY UNTIL THE STORM HAS PASSED. 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
Special weather statement, Sep 19, 2:36 PM CDT, 3 hours 38 minutes before
LMZ530-WIZ061>072-527>529-192010- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE MILWAUKEE/SULLIVAN WI 236 PM CDT FRI SEP 19 1997 ...SEVERE THUNDERSTORM WATCH 736 IS CANCELLED FOR SOUTHERN WISCONSIN... ...URBAN/SMALL STREAM FLOOD ADVISORY FOR RACINE AND KENOSHA COUNTIES IS CANCELLED. THE SEVERE THUNDERSTORM WATCH FOR EXTREME SOUTHERN WISCONSIN HAS BEEN CANCELLED. SEVERE THUNDERSTORMS ARE NO LONGER POSSIBLE IN THE ORIGNAL WATCH AREA. HOWEVER... SCATTERED SHOWERS AND THUNDERSTORMS WILL STILL BE IN THE WEATHER PICTURE THE REMAINDER OF THE AFTERNOON. SINCE THE THUNDERSTORM ACTIVITY WILL BE MORE SCATTERED THIS AFTERNOON... THE URBAN/SMALL STREAM FLOOD ADVISORY HAS BEEN CANCELLED. HEAVY... FLOODING RAINS ARE NO LONGER POSSIBLE. KAPELA
The office that day
Everything else NWS Milwaukee, WI issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Sep 18, 7:44 PM CDT | Severe Thunderstorm Warning | MKX | Fond du Lac, Sheboygan, Washington | 46 min |
| Sep 19, 1:09 PM CDT | Severe Thunderstorm Warning | MKX | Rock, Walworth | 46 min |
Nearby
Severe Thunderstorm Warnings in Wisconsin, 1997Every severe thunderstorm warning in 1997
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.