Alert archive / Wisconsin / Severe Thunderstorm Warnings in 1997
Severe Thunderstorm Warning 22, NWS Milwaukee, WI
NWS Milwaukee, WI issued this severe thunderstorm warning at Jun 15, 1997, 4:38 PM CDT for Iowa County, Wisconsin. It was in force for 62 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, 4:38 PM CDT (21:38 UTC)
- Expired
- Jun 15, 1997, 5:40 PM CDT
- In force
- 62 min
- Issued by
- NWS Milwaukee, WI
- Area
- Whole counties
County Iowa County, WI
The radar
The La Crosse radar (KARX), 125 km from the middle of the area, began a volume at 21:42 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, 5:15 PM CDT | Thunderstorm Wind | Dodgeville, 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 15, 4:00 PM CDT | Severe Thunderstorm Watch | SPC | 5 hr |
The nearest sounding before it
Davenport, (KDVN), launched 12:00Z, 9.6 hours before the alert went out and 156 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
- 1379 m above ground
- 0-6 km bulk shear
- 37 kt
- 0-1 km storm-relative helicity
- 164 m²/s²
- 0-3 km storm-relative helicity
- 215 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 152138 RRB SVRMKE WIC049-152240- BULLETIN - IMMEDIATE BROADCAST REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE MILWAUKEE/SULLIVAN WI 438 PM CDT SUN JUN 15 1997 * SEVERE THUNDERSTORM WARNING FOR IOWA COUNTY - SOUTH CENTRAL WISCONSIN * UNTIL 540 PM CDT * SOME LOCATIONS AFFECTED AVOCA HIGHLAND HELENA COBB * AT 435 PM NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A LINE OF SEVERE THUNDERSTORMS 45 MILES WEST OF MADISON. THE LINE OF STORMS WAS MOVING EAST AT 45 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 nHAS 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, Jun 15, 10:56 AM CDT, 5 hours 42 minutes before
WIZ046-047-051-052-056>060-062>072-160355- HAZARDOUS WEATHER OUTLOOK NATIONAL WEATHER SERVICE MILWAUKEE/SULLIVAN WI 1056 AM CDT SUN JUN 15 1997 ...LOW RISK OF SEVERE THUNDERSTORMS THIS EVENING AND TONIGHT... ...FOR SOUTH CENTRAL AND SOUTHEAST WISCONSIN... THREAT... LARGE HAIL AND DAMAGING WINDS. DISCUSSION... THUNDERSTORMS ARE EXPECTED TO DEVELOP OVER SOUTH CENTRAL AND SOUTHEAST WISCONSIN AFTER 4 PM...AS A COLD FRONT APPROACHES WISCONSIN. THE FRONT WILL MOVE ACROSS THE STATE OVERNIGHT. ISOLATED SEVERE THUNDERSTORMS ARE POSSIBLE THIS EVENING AND OVERNIGHT...AHEAD OF THE FRONT. SPOTTER ACTIVATION... STORM SPOTTER GROUPS MAY NEED TO BE ACTIVATED AFTER 6PM THIS AFTERNOON. MK
Special weather statement, Jun 15, 10:57 AM CDT, 5 hours 41 minutes before
WIZ046-047-051-052-056>060-062>072-160355- HAZARDOUS WEATHER OUTLOOK NATIONAL WEATHER SERVICE MILWAUKEE/SULLIVAN WI 1056 AM CDT SUN JUN 15 1997 ...LOW RISK OF SEVERE THUNDERSTORMS THIS EVENING AND TONIGHT... ...FOR SOUTH CENTRAL AND SOUTHEAST WISCONSIN... THREAT... LARGE HAIL AND DAMAGING WINDS. DISCUSSION... THUNDERSTORMS ARE EXPECTED TO DEVELOP OVER SOUTH CENTRAL AND SOUTHEAST WISCONSIN AFTER 4 PM...AS A COLD FRONT APPROACHES WISCONSIN. THE FRONT WILL MOVE ACROSS THE STATE OVERNIGHT. ISOLATED SEVERE THUNDERSTORMS ARE POSSIBLE THIS EVENING AND OVERNIGHT...AHEAD OF THE FRONT. SPOTTER ACTIVATION... STORM SPOTTER GROUPS MAY NEED TO BE ACTIVATED AFTER 6PM THIS AFTERNOON. MK
The office that day
Everything else NWS Milwaukee, WI issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 15, 3:56 PM CDT | Severe Thunderstorm Warning | MKX | Sauk | 59 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.