Alert archive / Wisconsin / Severe Thunderstorm Watches in 2000

Severe Thunderstorm Watch 555

July 8, 200020 counties in Wisconsin

The Storm Prediction Center issued this severe thunderstorm watch at Jul 8, 2000, 8:45 PM CDT for 20 counties in Wisconsin. It was in force for 3 hr.

The area

The outline as issued.

The facts

Issued
Jul 8, 2000, 8:45 PM CDT (01:45 UTC)
Expired
Jul 9, 2000, 12:00 AM CDT
In force
3 hr
Issued by
the Storm Prediction Center

Counties Adams County, WI, Buffalo County, WI, Clark County, WI, Columbia County, WI, Dodge County, WI, Eau Claire County, WI, Green Lake County, WI, Jackson County, WI, Juneau County, WI, La Crosse County, WI, Marquette County, WI, Monroe County, WI, Pepin County, WI, Pierce County, WI, Richland County, WI, Sauk County, WI, Trempealeau County, WI, Vernon County, WI, Waushara County, WI, Wood County, WI

Warnings issued inside it

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

IssuedProductOfficeCountiesLasted
Jul 8, 8:59 PM CDTSevere Thunderstorm WarningMPXEau Claire46 min
Jul 8, 9:58 PM CDTSevere Thunderstorm WarningARXClark77 min

The nearest sounding before it

Green Bay/Straub, WI (KGRB), launched 00:00Z, 1.8 hours before the alert went out and 215 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, Green Bay/Straub, WI at 00:00Z on 2000-07-09Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 53 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, Green Bay/Straub, WI at 00:00Z on 2000-07-09The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 62 square meters per square second.193958Sfc1 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
53 J/kg
Mixed-layer CIN
-461 J/kg
Mixed-layer LCL
1433 m above ground
0-6 km bulk shear
41 kt
0-1 km storm-relative helicity
62 m²/s²
0-3 km storm-relative helicity
149 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.5

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
Jul 8, 10:00 PM CDTSevere Thunderstorm WatchSPCBarron, Burnett, Chippewa, Clark, Dunn, Eau Claire and 5 more6 hr

Nearby

Severe Thunderstorm Watches in Wisconsin, 2000Every severe thunderstorm watch in 2000

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.