Alert archive / Wisconsin / Severe Thunderstorm Warnings in 1997
Severe Thunderstorm Warning 63, NWS Milwaukee, WI
NWS Milwaukee, WI issued this severe thunderstorm warning at Jul 16, 1997, 7:18 PM CDT for Fond du Lac County, Green Lake County, Marquette County, Wisconsin. It was in force for 2 hr. 3 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 16, 1997, 7:18 PM CDT (00:18 UTC)
- Expired
- Jul 16, 1997, 9:20 PM CDT
- In force
- 2 hr
- Issued by
- NWS Milwaukee, WI
- Area
- Whole counties
Counties Fond du Lac County, WI, Green Lake County, WI, Marquette County, WI
The radar
The Milwaukee radar (KMKX), 98 km from the middle of the area, began a volume at 00:18 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, 7:30 PM CDT | Hail 1 | Princeton, WI | |
| Jul 16, 7:35 PM CDT | Thunderstorm Wind | Westfield, WI | |
| Jul 16, 8:12 PM CDT | Hail 0.75 | Westfield, 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, 5:30 PM CDT | Tornado Watch | SPC | 6 hr |
The nearest sounding before it
Green Bay/Straub, WI (KGRB), launched 00:00Z, 0.3 hours before the alert went out and 104 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
- 536 J/kg
- Mixed-layer CIN
- -290 J/kg
- Mixed-layer LCL
- 2104 m above ground
- 0-6 km bulk shear
- 72 kt
- 0-1 km storm-relative helicity
- 25 m²/s²
- 0-3 km storm-relative helicity
- 171 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.2
The text
As transmitted, in the capitals the NWS used until 2016.
000 TTAA00 KMKE 170019 RRA SVRMKE WIC039-047-077-170220- BULLETIN - IMMEDIATE BROADCAST REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE MILWAUKEE/SULLIVAN WI 718 PM CDT WED JUL 16 1997 * SEVERE THUNDERSTORM WARNING FOR FOND DU LAC COUNTY - EAST CENTRAL WISCONSIN GREEN LAKE COUNTY - CENTRAL WISCONSIN MARQUETTE COUNTY - CENTRAL WISCONSIN * UNTIL 920 PM CDT * SOME LOCATIONS AFFECTED BERLIN PRINCETON GREEN LAKE RIPON * AT 714 PM NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A LINE OF SEVERE THUNDERSTORMS EXTENDED FROM WESTFIELD IN MARQUETTE COUNTY TO GREEN LAKE IN GREEN LAKE COUNTY. THE LINE OF STORMS WAS MOVING SOUTHEAST AT 25 MPH. EXPECT LARGE HAIL AND HEAVY RAINS. THESE ARE DANGEROUS STORMS. IF YOU ARE IN THEIR 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, 8:26 PM CDT | Severe Thunderstorm Warning | MKX | Milwaukee, Waukesha | 59 min |
| Jul 16, 10:19 PM CDT | Severe Thunderstorm Warning | MKX | Marquette | 61 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.