Alert archive / Minnesota / Severe Thunderstorm Watches in 2005

Severe Thunderstorm Watch 501

June 19, 2005Koochiching County, Saint Louis County, Minnesota

The Storm Prediction Center issued this severe thunderstorm watch at Jun 19, 2005, 8:50 PM CDT for Koochiching County, Saint Louis County, Minnesota. It was in force for 5 hr.

The area

The outline as issued.

The facts

Issued
Jun 19, 2005, 8:50 PM CDT (01:50 UTC)
Expired
Jun 20, 2005, 2:00 AM CDT
In force
5 hr
Issued by
the Storm Prediction Center

Counties Koochiching County, MN, Saint Louis County, MN

The radar

The Duluth radar (KDLH), 194 km from the middle of the area, began a volume at 01:51 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

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

IssuedProductOfficeCountiesLasted
Jun 19, 9:43 PM CDTSevere Thunderstorm WarningDLHKoochiching62 min
Jun 19, 10:44 PM CDTSevere Thunderstorm WarningDLHKoochiching62 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

International Fa, MN (KINL), launched 00:00Z, 1.8 hours before the alert went out and 40 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, International Fa, MN at 00:00Z on 2005-06-20Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1727 joules per kilogram.LCLEL10008507005003002001001 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, International Fa, MN at 00:00Z on 2005-06-20The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 76 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
1727 J/kg
Mixed-layer CIN
-1 J/kg
Mixed-layer LCL
1461 m above ground
0-6 km bulk shear
43 kt
0-1 km storm-relative helicity
76 m²/s²
0-3 km storm-relative helicity
128 m²/s²
Significant tornado parameter
0.6
Supercell composite
7.9

Open this sounding in Storm Lab

SPC that day

Everything else SPC issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Jun 19, 7:02 PM CDTMesoscale DiscussionSPCBecker, Beltrami, Clay, Clearwater, Koochiching, Lake of the Woods and 7 more118 min
Jun 20, 5:20 AM CDTSevere Thunderstorm WatchSPCBecker, Clay, Douglas, Grant, Otter Tail, Traverse and 1 more5 hr
Jun 20, 7:39 AM CDTMesoscale DiscussionSPCBecker, Clay, Douglas, Grant, Mahnomen, Norman and 4 more96 min
Jun 20, 9:19 AM CDTMesoscale DiscussionSPCBecker, Clay, Douglas, Grant, Mahnomen, Norman and 4 more56 min
Jun 20, 10:42 AM CDTMesoscale DiscussionSPCBecker, Clay, Douglas, Grant, Mahnomen, Norman and 4 more63 min
Jun 20, 10:50 AM CDTSevere Thunderstorm WatchSPCAnoka, Benton, Carver, Chippewa, Dakota, Douglas and 17 more5 hr
Jun 20, 12:59 PM CDTMesoscale DiscussionSPCAnoka, Blue Earth, Brown, Carver, Chippewa, Chisago and 30 more91 min
Jun 20, 1:25 PM CDTSevere Thunderstorm WatchSPCBlue Earth, Brown, Cottonwood, Faribault, Freeborn, Jackson and 17 more7 hr

Nearby

Severe Thunderstorm Watches in Minnesota, 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.