Alert archive / Wisconsin / Severe Thunderstorm Warnings in 1997
Severe Thunderstorm Warning 59, NWS Milwaukee, WI
NWS Milwaukee, WI issued this severe thunderstorm warning at Jul 16, 1997, 6:21 PM CDT for Sheboygan 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
- Jul 16, 1997, 6:21 PM CDT (23:21 UTC)
- Expired
- Jul 16, 1997, 7:20 PM CDT
- In force
- 59 min
- Issued by
- NWS Milwaukee, WI
- Area
- Whole counties
County Sheboygan County, WI
The radar
The Green Bay radar (KGRB), 86 km from the middle of the area, began a volume at 23:21 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 16, 6:25 PM CDT | Thunderstorm Wind 61 | Elkhart Lake, 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 |
|---|---|---|---|
| Jul 16, 1:30 PM CDT | Severe Thunderstorm Watch | SPC | 7 hr |
| Jul 16, 5:30 PM CDT | Tornado Watch | SPC | 6 hr |
The nearest sounding before it
Green Bay/Straub, WI (KGRB), launched 12:00Z, 11.4 hours before the alert went out and 84 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
- 2398 J/kg
- Mixed-layer CIN
- -83 J/kg
- Mixed-layer LCL
- 948 m above ground
- 0-6 km bulk shear
- 35 kt
- 0-1 km storm-relative helicity
- 112 m²/s²
- 0-3 km storm-relative helicity
- 87 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 3.0
The text
As transmitted, in the capitals the NWS used until 2016.
000 TTAA00 KMKE 162323 RRA SVRMKE WIC117-170020- BULLETIN - IMMMEDIATE BROADCAST REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE MILWAUKEE/SULLIVAN WI 621 PM CDT WED JUL 16 1997 * SEVERE THUNDERSTORM WARNING FOR SHEBOYGAN COUNTY - EAST CENTRAL WISCONSIN * UNTIL 720 PM CDT * SOME LOCATIONS AFFTECTED ELKHART BY 630 PM PLYMOUTH BY 640 PM SHEBOYGAN BY 645 PM * AT 617 PM CDT...DOPPLER RADAR AT SULLIVAN INDICATED A SEVERE THUNDERSTORM 10 MILES WEST NORTHWEST OF SHEBOYGAN MOVING EAST SOUTHEAST AT 30 MPH. EXPECT DAMAGING WINDS WITH THIS STORM. THIS IS A DANGEROUS STORM. IF YOU ARE IN ITS PATH YOU SHOULD MOVE INSIDE A STRONG BUILDING. DO NOT STAND BY WINDOWS. A TORNADO WATCH IS ALSO IN EFFECT. REMEMBER...THUNDERSTORMS CAN AND OCCASIONALLY DO PRODUCE TORNADOES WITH LITTLE OR NO ADVANCE WARNING. TH/CG
The office that day
Everything else NWS Milwaukee, WI issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 16, 5:51 PM CDT | Severe Thunderstorm Warning | MKX | Green Lake, Marquette | 59 min |
| Jul 16, 5:51 PM CDT | Severe Thunderstorm Warning | MKX | Fond du Lac | 59 min |
| Jul 16, 6:29 PM CDT | Severe Thunderstorm Warning | MKX | Ozaukee, Washington | 2 hr |
| Jul 16, 6:29 PM CDT | Severe Thunderstorm Warning | MKX | Dodge | 2 hr |
| Jul 16, 6:34 PM CDT | Tornado Warning | MKX | Fond du Lac, Green Lake | 46 min |
| Jul 16, 6:56 PM CDT | Severe Thunderstorm Warning | MKX | Columbia, Sauk | 59 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.