Alert archive / Wisconsin / Severe Thunderstorm Watches in 1997

Severe Thunderstorm Watch 535

June 28, 1997Gogebic County, Michigan; 14 counties in Minnesota; 25 counties in Wisconsin

The Storm Prediction Center issued this severe thunderstorm watch at Jun 28, 1997, 3:30 PM CDT for Gogebic County, Michigan; 14 counties in Minnesota; 25 counties in Wisconsin. It was in force for 6 hr.

The area

The outline as issued.

The facts

Issued
Jun 28, 1997, 3:30 PM CDT (20:30 UTC)
Expired
Jun 28, 1997, 9:00 PM CDT
In force
6 hr
Issued by
the Storm Prediction Center
All 40 counties

Gogebic County, MI, Chisago County, MN, Dakota County, MN, Dodge County, MN, Fillmore County, MN, Freeborn County, MN, Goodhue County, MN, Houston County, MN, Mower County, MN, Olmsted County, MN, Pine County, MN, Steele County, MN, Wabasha County, MN, Washington County, MN, Winona County, MN, Ashland County, WI, Barron County, WI, Bayfield County, WI, Buffalo County, WI, Burnett County, WI, Chippewa County, WI, Clark County, WI, Douglas County, WI, Dunn County, WI, Eau Claire County, WI, Iron County, WI, Jackson County, WI, La Crosse County, WI, Monroe County, WI, Pepin County, WI, Pierce County, WI, Polk County, WI, Price County, WI, Rusk County, WI, Saint Croix County, WI, Sawyer County, WI, Taylor County, WI, Trempealeau County, WI, Vernon County, WI, Washburn County, WI

The radar

The La Crosse radar (KARX), 135 km from the middle of the area, began a volume at 20:33 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.

Warnings issued inside it

14 tornado, severe thunderstorm and flash flood warnings for its counties while it was in force.

IssuedProductOfficeCountiesLasted
Jun 28, 3:35 PM CDTSevere Thunderstorm WarningDLHBurnett, Douglas, Washburn55 min
Jun 28, 3:41 PM CDTSevere Thunderstorm WarningMPXPolk49 min
Jun 28, 3:54 PM CDTSevere Thunderstorm WarningMPXDakota, Hennepin, Ramsey, Washington66 min
Jun 28, 4:48 PM CDTSevere Thunderstorm WarningMPXGoodhue, Rice42 min
Jun 28, 4:59 PM CDTSevere Thunderstorm WarningARXDodge61 min
Jun 28, 5:15 PM CDTSevere Thunderstorm WarningARXOlmsted, Wabasha60 min
Jun 28, 5:22 PM CDTSevere Thunderstorm WarningMPXEau Claire, Pepin38 min
Jun 28, 5:38 PM CDTSevere Thunderstorm WarningARXBuffalo57 min
Jun 28, 6:08 PM CDTSevere Thunderstorm WarningARXTrempealeau62 min
Jun 28, 6:18 PM CDTSevere Thunderstorm WarningARXFillmore, Olmsted, Winona62 min
Jun 28, 6:18 PM CDTSevere Thunderstorm WarningARXMower62 min
Jun 28, 6:30 PM CDTSevere Thunderstorm WarningARXJackson60 min
Jun 28, 7:00 PM CDTSevere Thunderstorm WarningARXLa Crosse65 min
Jun 28, 7:05 PM CDTSevere Thunderstorm WarningARXHouston60 min

The nearest sounding before it

Minneapolis, MN (KMPX), launched 12:00Z, 8.5 hours before the alert went out and 139 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-pSkew-T log-p diagram, Minneapolis, MN at 12:00Z on 1997-06-28Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1849 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Minneapolis, MN at 12:00Z on 1997-06-28The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 201 square meters per square second.1939Sfc1 km3 km6 km9 kmRMLM
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
1849 J/kg
Mixed-layer CIN
-111 J/kg
Mixed-layer LCL
891 m above ground
0-6 km bulk shear
30 kt
0-1 km storm-relative helicity
201 m²/s²
0-3 km storm-relative helicity
197 m²/s²
Significant tornado parameter
0.0
Supercell composite
9.5

Open this sounding in Storm Lab

The text

The text of this product is not in the archive. The NWS text archive before 2002 is incomplete.

SPC that day

Everything else SPC issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Jun 27, 8:30 PM CDTSevere Thunderstorm WatchSPCBecker, Beltrami, Cass, Clay, Clearwater, Hubbard and 3 more6 hr
Jun 27, 10:45 PM CDTSevere Thunderstorm WatchSPCAitkin, Becker, Beltrami, Carlton, Cass, Clay and 18 more5 hr
Jun 28, 9:00 AM CDTSevere Thunderstorm WatchSPCBecker, Big Stone, Clay, Grant, Otter Tail, Stevens and 3 more6 hr
Jun 28, 12:30 PM CDTSevere Thunderstorm WatchSPCAnoka, Benton, Blue Earth, Brown, Carver, Chippewa and 33 more6 hr
Jun 28, 6:30 PM CDTSevere Thunderstorm WatchSPCBlue Earth, Dodge, Faribault, Fillmore, Freeborn, Goodhue and 11 more6 hr

Nearby

Severe Thunderstorm Watches in Wisconsin, 1997Severe Thunderstorm Watches in Minnesota, 1997Severe Thunderstorm Watches in Michigan, 1997Every severe thunderstorm watch 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.