Alert archive / Wisconsin / Severe Thunderstorm Warnings in 1997
Severe Thunderstorm Warning 64, NWS Milwaukee, WI
NWS Milwaukee, WI issued this severe thunderstorm warning at Jul 16, 1997, 8:26 PM CDT for Milwaukee County, Waukesha 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, 8:26 PM CDT (01:26 UTC)
- Expired
- Jul 16, 1997, 9:25 PM CDT
- In force
- 59 min
- Issued by
- NWS Milwaukee, WI
- Area
- Whole counties
Counties Milwaukee County, WI, Waukesha County, WI
The radar
The Milwaukee radar (KMKX), 36 km from the middle of the area, began a volume at 01:28 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, 8:42 PM CDT | Thunderstorm Wind | Milwaukee, 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, 1.4 hours before the alert went out and 162 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.
228 WUUS1 KMKE 170127 RRA SVRMKE WIC079-133-170225- BULLETIN - IMMEDIATE BROADCAST REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE MILWAUKEE/SULLIVAN WI 826 PM CDT WED JUL 16 1997 * SEVERE THUNDERSTORM WARNING FOR MILWAUKEE COUNTY - SOUTHEASTERN WISCONSIN WAUKESHA COUNTY - SOUTHEASTERN WISCONSIN * UNTIL 925 PM CDT * SOME LOCATIONS AFFECTED WAUKESHA BY 840 PM DELAFIELD BY 830 PM MILWAUKEE BY 855 PM BROOKFIELD BY 850 PM * AT 823 PM NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED THAT A LINE OF SEVERE THUNDERSTORMS EXTENDED FROM PORT WASHINGTON TO WATERTOWN. THE LINE OF STORMS WAS MOVING SOUTHEAST AT 25 MPH. EXPECT LARGE HAIL WITH THESE STORMS. 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, 7:18 PM CDT | Severe Thunderstorm Warning | MKX | Fond du Lac, Green Lake, Marquette | 2 hr |
| 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.