Alert archive / Wisconsin / Severe Thunderstorm Warnings in 1997

Severe Thunderstorm Warning 71, NWS Milwaukee, WI

July 25, 1997Ozaukee County, Sheboygan County, Washington County, Wisconsin

NWS Milwaukee, WI issued this severe thunderstorm warning at Jul 25, 1997, 8:21 PM CDT for Ozaukee County, Sheboygan County, Washington County, Wisconsin. It was in force for 59 min. No storm report in the archive falls inside the area while it was in force.

The area

The counties it named.

The facts

Issued: Jul 25, 1997, 8:21 PM CDT (01:21 UTC)
Expired: Jul 25, 1997, 9:20 PM CDT
In force: 59 min
Issued by: NWS Milwaukee, WI
Area: Whole counties

Counties Ozaukee County, WI, Sheboygan County, WI, Washington County, WI

The radar

The Milwaukee radar (KMKX), 76 km from the middle of the area, began a volume at 01:20 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.

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 25, 7:45 PM CDT	Tornado Watch	SPC	5 hr

The nearest sounding before it

Green Bay/Straub, WI (KGRB), launched 00:00Z, 1.4 hours before the alert went out and 108 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.

Skew-T log-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

The wind turning with height, colored by layer: ground to 1 km, 1 to 3 km, 3 to 6 km, 6 to 10 km.

Mixed-layer CAPE: 738 J/kg
Mixed-layer CIN: -27 J/kg
Mixed-layer LCL: 543 m above ground
0-6 km bulk shear: 52 kt
0-1 km storm-relative helicity: 193 m²/s²
0-3 km storm-relative helicity: 246 m²/s²
Significant tornado parameter: 1.0
Supercell composite: 5.4

Open this sounding in Storm Lab

The text

As transmitted, in the capitals the NWS used until 2016.

000 
TTAA00 KMKE 260121 RRA
SVRMKE
WIC089-117-131-260220-

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE MILWAUKEE/SULLIVAN WI
821 PM CDT FRI JUL 25 1997

* SEVERE THUNDERSTORM WARNING FOR
  OZAUKEE COUNTY - SOUTHEASTERN WISCONSIN
  SOUTHERN SHEBOYGAN COUNTY - EAST CENTRAL WISCONSIN
  WASHINGTON COUNTY - SOUTHEASTERN WISCONSIN

* UNTIL 920 PM CDT
 
* SOME LOCATIONS AFFECTED
  WEST BEND
  SAUKVILLE
  RANDOM LAKE
  FREDONIA

* AT 820 PM NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM 30 MILES NORTHWEST OF MILWAUKEE NEAR WEST
  BEND.  THE STORM WAS MOVING EAST AT 25 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.

A TORNADO WATCH IS ALSO IN EFFECT. REMEMBER...THUNDERSTORMS CAN AND
OCCASIONALLY DO PRODUCE TORNADOES WITH LITTLE OR NO ADVANCE WARNING.

TZ/JH

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, 8:28 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, 3:50 PM CDT	Severe Thunderstorm Warning	MKX	Sauk	40 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, 1997 Every 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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.