Alert archive / Wisconsin / Tornado Warnings in 1997

Tornado Warning 1, NWS Milwaukee, WI

July 2, 1997Iowa County, Lafayette County, Wisconsin

NWS Milwaukee, WI issued this tornado warning at Jul 2, 1997, 12:57 AM CDT for Iowa County, Lafayette County, Wisconsin. It was in force for 63 min. 2 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 2, 1997, 12:57 AM CDT (05:57 UTC)
Expired: Jul 2, 1997, 2:00 AM CDT
In force: 63 min
Issued by: NWS Milwaukee, WI
Area: Whole counties

Counties Iowa County, WI, Lafayette County, WI

The radar

The Milwaukee radar (KMKX), 130 km from the middle of the area, began a volume at 05:57 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 2, 1:00 AM CDT	Hail 2	Belmont, WI
Jul 2, 1:10 AM CDT	Hail 1.75	Rewey, 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 1, 10:30 PM CDT	Tornado Watch	SPC	6 hr

The nearest sounding before it

Davenport, (KDVN), launched 00:00Z, 6.0 hours before the alert went out and 138 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: 1089 J/kg
Mixed-layer CIN: -144 J/kg
Mixed-layer LCL: 1458 m above ground
0-6 km bulk shear: 51 kt
0-1 km storm-relative helicity: 40 m²/s²
0-3 km storm-relative helicity: 236 m²/s²
Significant tornado parameter: 0.1
Supercell composite: 1.4

Open this sounding in Storm Lab

The text

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

000 
TTAA00 KMKE 020559 RRA
TORMKE
WIC049-065-020700-

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE MILWAUKEE/SULLIVAN WI
1257 AM CDT WED JUL 2 1997

* TORNADO WARNING FOR
  SOUTHERN IOWA COUNTY - SOUTH CENTRAL WISCONSIN
  NORTHERN LAFAYETTE COUNTY - SOUTH CENTRAL WISCONSIN

* UNTIL 200 AM CDT
 
* SOME LOCATIONS AFFECTED
  REWEY                   BY 1256 AM CDT
  LESLIE                  BY 102 AM CDT
  BELMONT                 BY 106 AM CDT
  MIFFLAN                 BY 107 AM CDT
  MINERAL PT              BY 119 AM CDT

* AT 1254 AM CDT...DOPPLER RADAR AT SULLIVAN INDICATED A DEVELOPING
  TORNADO 32 MILES NORTH NORTHEAST OF DUBUQUE IA OR 1 MILE SOUTHWEST
  OF REWEY MOVING EAST AT 30 MPH.

IF YOU ARE NEAR THIS DANGEROUS STORM...TAKE COVER IMMEDIATELY IN
THE BASEMENT OR LOWEST FLOOR AND INNER MOST ROOM OF A BUILDING.

DO NOT USE YOUR CAR TO OUTRUN A TORNADO...CARS CAN BE EASILY TOSSED
AROUND BY TORNADO WINDS.

COLLAR/DAVIS

The office that day

Everything else NWS Milwaukee, WI issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
Jul 1, 11:58 PM CDT	Severe Thunderstorm Warning	MKX	Sauk	62 min
Jul 2, 12:08 AM CDT	Severe Thunderstorm Warning	MKX	Lafayette	62 min

Nearby

Tornado Warnings in Wisconsin, 1997 Every tornado warning in 1997 Tornadoes 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.