Alert archive / Wisconsin / Severe Thunderstorm Warnings in 1997
Severe Thunderstorm Warning 21, NWS Milwaukee, WI
NWS Milwaukee, WI issued this severe thunderstorm warning at Jun 15, 1997, 3:56 PM CDT for Sauk County, Wisconsin. It was in force for 59 min. 1 report 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 15, 1997, 3:56 PM CDT (20:56 UTC)
- Expired
- Jun 15, 1997, 4:55 PM CDT
- In force
- 59 min
- Issued by
- NWS Milwaukee, WI
- Area
- Whole counties
County Sauk County, WI
The radar
The La Crosse radar (KARX), 109 km from the middle of the area, began a volume at 20:57 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.
What was reported inside it
| Time | Report | Where | Remark |
|---|---|---|---|
| Jun 15, 4:30 PM CDT | Thunderstorm Wind | La Valle, 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 12:00Z, 8.9 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.
- Mixed-layer CAPE
- 0 J/kg
- Mixed-layer CIN
- No buoyant parcel
- Mixed-layer LCL
- 1848 m above ground
- 0-6 km bulk shear
- 30 kt
- 0-1 km storm-relative helicity
- 106 m²/s²
- 0-3 km storm-relative helicity
- 120 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
898 WUUS1 KMKE 152056 RRA SVRMKE WIC111-152155- BULLETIN - IMMEDIATE BROADCAST REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE MILWAUKEE/SULLIVAN WI 356 PM CDT SUN JUN 15 1997 * SEVERE THUNDERSTORM WARNING FOR SAUK COUNTY - SOUTH CENTRAL WISCONSIN * UNTIL 455 PM CDT * SOME LOCATIONS AFFECTED VALTON LA VALLE IRONTON REEDSBURG * AT 354 PM NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A LINE OF SEVERE THUNDERSTORMS 55 MILES NORTHWEST OF MADISON...APPROACHING NORTHWEST SAUK CO.. THE LINE OF STORMS WAS MOVING EAST AT 50 MPH. 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
The office that day
Everything else NWS Milwaukee, WI issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 15, 4:38 PM CDT | Severe Thunderstorm Warning | MKX | Iowa | 62 min |
| Jun 15, 4:38 PM CDT | Severe Thunderstorm Warning | MKX | Columbia, Marquette | 62 min |
| Jun 15, 4:47 PM CDT | Severe Thunderstorm Warning | MKX | Sauk | 58 min |
| Jun 15, 5:00 PM CDT | Severe Thunderstorm Warning | MKX | Green Lake | 60 min |
| Jun 15, 5:10 PM CDT | Severe Thunderstorm Warning | MKX | Dane | 65 min |
| Jun 15, 5:30 PM CDT | Severe Thunderstorm Warning | MKX | Iowa, Lafayette | 60 min |
| Jun 15, 5:33 PM CDT | Severe Thunderstorm Warning | MKX | Dodge, Fond du Lac | 67 min |
| Jun 15, 5:38 PM CDT | Severe Thunderstorm Warning | MKX | Columbia | 47 min |
| Jun 15, 6:03 PM CDT | Severe Thunderstorm Warning | MKX | Jefferson | 57 min |
| Jun 15, 6:12 PM CDT | Severe Thunderstorm Warning | MKX | Dane | 48 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; verification from NCEI's Storm Data; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.