Alert archive / Minnesota / Severe Thunderstorm Watches in 2005

Severe Thunderstorm Watch 556

June 29, 20056 counties in Minnesota; 5 counties in Wisconsin

The Storm Prediction Center issued this severe thunderstorm watch at Jun 29, 2005, 7:25 PM CDT for 6 counties in Minnesota; 5 counties in Wisconsin. It was in force for 8 hr.

The area

The outline as issued.

The facts

Issued
Jun 29, 2005, 7:25 PM CDT (00:25 UTC)
Expired
Jun 30, 2005, 3:00 AM CDT
In force
8 hr
Issued by
the Storm Prediction Center

Counties Aitkin County, MN, Carlton County, MN, Crow Wing County, MN, Kanabec County, MN, Mille Lacs County, MN, Pine County, MN, Bayfield County, WI, Burnett County, WI, Douglas County, WI, Sawyer County, WI, Washburn County, WI

The radar

The Duluth radar (KDLH), 37 km from the middle of the area, began a volume at 00:29 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 29, 8:37 PM CDTSevere Thunderstorm WarningDLHCrow Wing23 min
Jun 29, 8:45 PM CDTSevere Thunderstorm WarningDLHAitkin60 min
Jun 29, 9:02 PM CDTSevere Thunderstorm WarningMPXMille Lacs58 min
Jun 29, 9:05 PM CDTTornado WarningMPXKanabec, Mille Lacs55 min
Jun 29, 9:33 PM CDTTornado WarningDLHAitkin31 min
Jun 29, 9:44 PM CDTFlash Flood WarningMPXMille Lacs, Morrison3 hr
Jun 29, 10:00 PM CDTTornado WarningDLHPine30 min
Jun 29, 10:26 PM CDTTornado WarningDLHPine34 min
Jun 29, 10:31 PM CDTSevere Thunderstorm WarningDLHBurnett27 min
Jun 29, 11:12 PM CDTTornado WarningDLHDouglas, Washburn23 min
Jun 29, 11:33 PM CDTSevere Thunderstorm WarningDLHBayfield, Sawyer27 min
Jun 29, 11:39 PM CDTSevere Thunderstorm WarningDLHDouglas44 min
Jun 29, 11:59 PM CDTSevere Thunderstorm WarningDLHSawyer31 min
Jun 30, 12:27 AM CDTSevere Thunderstorm WarningDLHAshland, Sawyer33 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

Minneapolis, MN (KMPX), launched 00:00Z, 0.4 hours before the alert went out and 221 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 00:00Z on 2005-06-30Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 2111 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 00:00Z on 2005-06-30The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 283 square meters per square second.19395878Sfc1 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
2111 J/kg
Mixed-layer CIN
-28 J/kg
Mixed-layer LCL
970 m above ground
0-6 km bulk shear
50 kt
0-1 km storm-relative helicity
283 m²/s²
0-3 km storm-relative helicity
415 m²/s²
Significant tornado parameter
3.1
Supercell composite
18.6

Open this sounding in Storm Lab

SPC that day

Everything else SPC issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Jun 29, 8:00 PM CDTTornado WatchSPCAnoka, Carver, Chisago, Dakota, Dodge, Fillmore and 18 more7 hr
Jun 29, 9:23 PM CDTMesoscale DiscussionSPCBenton, Blue Earth, Brown, Carver, Faribault, Le Sueur and 9 more2 hr
Jun 29, 11:54 PM CDTMesoscale DiscussionSPCPine2 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, 11:40 PM CDTSevere Thunderstorm WatchSPCAdams, Clark, Columbia, Dane, Green, Iowa and 16 more5 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 Minnesota, 2005Severe 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.