Alert archive / Wisconsin / Severe Thunderstorm Warnings in 1997
Severe Thunderstorm Warning 73, NWS Milwaukee, WI
NWS Milwaukee, WI issued this severe thunderstorm warning at Jul 26, 1997, 3:50 PM CDT for Sauk County, Wisconsin. It was in force for 40 min. 2 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
- Jul 26, 1997, 3:50 PM CDT (20:50 UTC)
- Expired
- Jul 26, 1997, 4:30 PM CDT
- In force
- 40 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 20:52 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 |
|---|---|---|---|
| Jul 26, 3:55 PM CDT | Thunderstorm Wind | La Valle, WI | |
| Jul 26, 4:15 PM CDT | Thunderstorm Wind | Lake Delton, 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, 8.8 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
- 6 J/kg
- Mixed-layer CIN
- -429 J/kg
- Mixed-layer LCL
- 690 m above ground
- 0-6 km bulk shear
- 44 kt
- 0-1 km storm-relative helicity
- 66 m²/s²
- 0-3 km storm-relative helicity
- 77 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
000 TTAA00 KMKE 262051 RRA SVRMKE WIC111-262140- BULLETIN - IMMEDIATE BROADCAST REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE MILWAUKEE/SULLIVAN WI 350 PM CDT SAT JUL 26 1997 * SEVERE THUNDERSTORM WARNING FOR SAUK COUNTY - SOUTH CENTRAL WISCONSIN * UNTIL 430 PM CDT * SOME LOCATIONS AFFECTED LA VALLE IRONTON REEDSBURG * AT 340 PM NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A SEVERE THUNDERSTORM 56 MILES NORTHWEST OF MADISON...NEAR VALTON. THE STORM WAS MOVING EAST SOUTHEAST AT 30 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. MK/TZ
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, Jul 26, 10:22 AM CDT, 5 hours 28 minutes before
WIZALL-270000- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE MILWAUKEE/SULLIVAN WI 1030 AM CDT SAT JUL 26 1997 ...SEVERE WEATHER OUTLOOK FOR WISCONSIN... THUNDERSTORMS ARE FORECAST TO SPREAD ACROSS MUCH OF WISCONSIN THIS AFTERNOON AND TONIGHT. SEVERE THUNDERSTORMS WITH LARGE HAIL...STRONG WINDS AND HEAVY RAINS WILL BE POSSIBLE. THE GREATEST THREAT OF SEVERE WEATHER APPEARS TO BE IN CENTRAL AND SOUTHERN SECTIONS OF THE STATE. THIS IS A PRELIMINARY ADVISORY...PLEASE LISTEN FOR LATER STATEMENTS AND FORECASTS. JOHNSTON
Special weather statement, Jul 26, 10:24 AM CDT, 5 hours 26 minutes before
WIZ046-047-051-052-056>060-062>072-270315- HAZARDOUS WEATHER OUTLOOK NATIONAL WEATHER SERVICE MILWAUKEE/SULLIVAN WI 1024 AM CDT SAT JUL 26 1997 ...MODERATE RISK OF SEVERE THUNDERSTORMS THIS AFTERNOON AND TONIGHT ...FOR SOUTH CENTRAL AND SOUTHEAST WISCONSIN... THREAT... DAMAGING WINDS TO 70 MPH AND LARGE HAIL. DISCUSSION... THE AIRMASS OVER SOUTHERN WISCONSIN IS VERY MOIST AND UNSTABLE WITH...WEAK BOUNDRIES WHICH MAY ACT AS A FOCUS FOR THUNDERSTORM DEVELOPMENT. SEVERE THUNDERSTORMS MAY DEVELOP IN THE VERY MOIST AND VERY UNSTABLE AIRMASS OVER SOUTHERN WISCONSIN THIS AFTERNOON AND TONIGHT. THESE THUNDERSTORMS WOULD LIKELY PRODUCE DAMAGING WINDS AND HAIL. SPOTTER ACTIVATION... STORM SPOTTER GROUPS MAY NEED TO BE ACTIVATED AFTER 2 PM THIS AFTERNOON. MK
Special weather statement, Jul 26, 10:25 AM CDT, 5 hours 25 minutes before
WIZ046-047-051-052-056>060-062>072-270315- HAZARDOUS WEATHER OUTLOOK NATIONAL WEATHER SERVICE MILWAUKEE/SULLIVAN WI 1024 AM CDT SAT JUL 26 1997 ...MODERATE RISK OF SEVERE THUNDERSTORMS THIS AFTERNOON AND TONIGHT ...FOR SOUTH CENTRAL AND SOUTHEAST WISCONSIN... THREAT... DAMAGING WINDS TO 70 MPH AND LARGE HAIL. DISCUSSION... THE AIRMASS OVER SOUTHERN WISCONSIN IS VERY MOIST AND UNSTABLE WITH...WEAK BOUNDRIES WHICH MAY ACT AS A FOCUS FOR THUNDERSTORM DEVELOPMENT. SEVERE THUNDERSTORMS MAY DEVELOP IN THE VERY MOIST AND VERY UNSTABLE AIRMASS OVER SOUTHERN WISCONSIN THIS AFTERNOON AND TONIGHT. THESE THUNDERSTORMS WOULD LIKELY PRODUCE DAMAGING WINDS AND HAIL. SPOTTER ACTIVATION... STOBRM SPOTTER GROUPS MAY NEED TO BE ACTIVATED AFTER 2 PM THIS AFTERNOON. MK
Special weather statement, Jul 26, 10:30 AM CDT, 5 hours 20 minutes before
WIZALL-270000- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE MILWAUKEE/SULLIVAN WI 1030 AM CDT SAT JUL 26 1997 ...SEVERE WEATHER OUTLOOK FOR WISCONSIN... THUNDERSTORMS ARE FORECAST TO SPREAD ACROSS MUCH OF WISCONSIN THIS AFTERNOON AND TONIGHT. SEVERE THUNDERSTORMS WITH LARGE HAIL...STRONG WINDS AND HEAVY RAINS WILL BE POSSIBLE. THE GREATEST THREAT OF SEVERE WEATHER APPEARS TO BE IN CENTRAL AND SOUTHERN SECTIONS OF THE STATE. THIS IS A PRELIMINARY ADVISORY...PLEASE LISTEN FOR LATER STATEMENTS AND FORECASTS. JOHNSTON
The office that day
Everything else NWS Milwaukee, WI issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 25, 7:21 PM CDT | Severe Thunderstorm Warning | MKX | Dane, Dodge, Jefferson | 54 min |
| Jul 25, 7:31 PM CDT | Tornado Warning | MKX | Dane, Jefferson | 29 min |
| Jul 25, 8:01 PM CDT | Tornado Warning | MKX | Dane, Jefferson | 34 min |
| Jul 25, 8:21 PM CDT | Severe Thunderstorm Warning | MKX | Ozaukee, Sheboygan, Washington | 59 min |
| Jul 25, 8:28 PM CDT | Tornado Warning | MKX | Dane, Jefferson | 32 min |
| Jul 25, 8:57 PM CDT | Tornado Warning | MKX | Dane, Dodge, Jefferson | 63 min |
| Jul 25, 9:17 PM CDT | Flash Flood Warning | MKX | Dane, Jefferson | 3 hr |
| Jul 25, 11:11 PM CDT | Severe Thunderstorm Warning | MKX | Ozaukee, Washington | 49 min |
| Jul 26, 4:10 PM CDT | Severe Thunderstorm Warning | MKX | Columbia | 65 min |
| Jul 26, 4:33 PM CDT | Severe Thunderstorm Warning | MKX | Dane, Jefferson | 57 min |
| Jul 26, 5:03 PM CDT | Severe Thunderstorm Warning | MKX | Dodge | 57 min |
| Jul 26, 5:27 PM CDT | Severe Thunderstorm Warning | MKX | Jefferson, Waukesha | 63 min |
| Jul 26, 5:35 PM CDT | Severe Thunderstorm Warning | MKX | Walworth | 55 min |
| Jul 26, 5:41 PM CDT | Severe Thunderstorm Warning | MKX | Kenosha, Racine | 64 min |
| Jul 26, 5:41 PM CDT | Severe Thunderstorm Warning | MKX | Milwaukee, Ozaukee, Washington | 64 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.