Alert archive / Wisconsin / Severe Thunderstorm Watches in 2005

Severe Thunderstorm Watch 559

June 29, 200522 counties in Wisconsin

The Storm Prediction Center issued this severe thunderstorm watch at Jun 29, 2005, 11:40 PM CDT for 22 counties in Wisconsin. It was in force for 5 hr.

The area

The outline as issued.

The facts

Issued
Jun 29, 2005, 11:40 PM CDT (04:40 UTC)
Expired
Jun 30, 2005, 5:00 AM CDT
In force
5 hr
Issued by
the Storm Prediction Center
All 22 counties

Adams County, WI, Clark County, WI, Columbia County, WI, Dane County, WI, Green County, WI, Iowa County, WI, Jackson County, WI, Juneau County, WI, Lafayette County, WI, Lincoln County, WI, Marathon County, WI, Marquette County, WI, Monroe County, WI, Oneida County, WI, Portage County, WI, Price County, WI, Richland County, WI, Rock County, WI, Sauk County, WI, Sawyer County, WI, Taylor County, WI, Wood County, WI

The radar

The La Crosse radar (KARX), 143 km from the middle of the area, began a volume at 04:41 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

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

IssuedProductOfficeCountiesLasted
Jun 29, 11:44 PM CDTSevere Thunderstorm WarningMKXIowa, Sauk64 min
Jun 29, 11:55 PM CDTSevere Thunderstorm WarningARXAdams, Juneau63 min
Jun 29, 11:59 PM CDTSevere Thunderstorm WarningDLHSawyer31 min
Jun 30, 12:18 AM CDTSevere Thunderstorm WarningMKXColumbia, Marquette44 min
Jun 30, 12:26 AM CDTSevere Thunderstorm WarningARXClark, Taylor66 min
Jun 30, 12:27 AM CDTSevere Thunderstorm WarningDLHAshland, Sawyer33 min
Jun 30, 12:42 AM CDTSevere Thunderstorm WarningMKXIowa, Lafayette53 min
Jun 30, 12:44 AM CDTSevere Thunderstorm WarningDLHPrice31 min
Jun 30, 12:52 AM CDTSevere Thunderstorm WarningMKXColumbia, Green Lake41 min
Jun 30, 1:26 AM CDTSevere Thunderstorm WarningGRBOneida, Vilas40 min
Jun 30, 2:51 AM CDTSevere Thunderstorm WarningMKXRock, Walworth41 min
Jun 30, 4:01 AM CDTSevere Thunderstorm WarningMKXRock21 min

Discussions around it

SPC mesoscale discussions over the same counties from four hours before the watch to its end.

The nearest sounding before it

Green Bay/Straub, WI (KGRB), launched 00:00Z, 4.7 hours before the alert went out and 153 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 2005-06-30Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 145 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 2005-06-30The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 111 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
145 J/kg
Mixed-layer CIN
-113 J/kg
Mixed-layer LCL
1024 m above ground
0-6 km bulk shear
26 kt
0-1 km storm-relative helicity
111 m²/s²
0-3 km storm-relative helicity
102 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.5

Open this sounding in Storm Lab

SPC that day

Everything else SPC issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Jun 29, 7:25 PM CDTSevere Thunderstorm WatchSPCBayfield, Burnett, Douglas, Sawyer, Washburn8 hr
Jun 29, 8:00 PM CDTTornado WatchSPCBarron, Buffalo, Chippewa, Dunn, Eau Claire, La Crosse and 5 more7 hr
Jun 29, 9:15 PM CDTSevere Thunderstorm WatchSPCCrawford6 hr
Jun 29, 11:23 PM CDTMesoscale DiscussionSPCAdams, Clark, Columbia, Dane, Green, Green Lake and 18 more67 min
Jun 29, 11:54 PM CDTMesoscale DiscussionSPCAshland, Bayfield, Burnett, Douglas, Sawyer, Washburn2 hr
Jun 30, 12:50 AM CDTSevere Thunderstorm WatchSPCBrown, Calumet, Dodge, Fond du Lac, Green Lake, Jefferson and 12 more4 hr

Nearby

Severe Thunderstorm Watches in Wisconsin, 2005Every severe thunderstorm watch in 2005

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.