Alert archive / Kansas / Mesoscale Discussions in 2008

Mesoscale Discussion 1328

June 11, 200829 counties in Kansas; Nuckolls County, Nebraska

The Storm Prediction Center issued this mesoscale discussion at Jun 11, 2008, 7:18 PM CDT for 29 counties in Kansas; Nuckolls County, Nebraska. It was in force for 87 min.

The area

The outline as issued.

The facts

Issued
Jun 11, 2008, 7:18 PM CDT (00:18 UTC)
Expired
Jun 11, 2008, 8:45 PM CDT
In force
87 min
Issued by
the Storm Prediction Center
All 30 counties

Barton County, KS, Brown County, KS, Clay County, KS, Cloud County, KS, Dickinson County, KS, Edwards County, KS, Ellis County, KS, Ellsworth County, KS, Geary County, KS, Jewell County, KS, Lincoln County, KS, Marshall County, KS, McPherson County, KS, Mitchell County, KS, Nemaha County, KS, Osborne County, KS, Ottawa County, KS, Pawnee County, KS, Pottawatomie County, KS, Reno County, KS, Republic County, KS, Rice County, KS, Riley County, KS, Rush County, KS, Russell County, KS, Saline County, KS, Smith County, KS, Stafford County, KS, Washington County, KS, Nuckolls County, NE

The radar

The Wichita radar (KICT), 152 km from the middle of the area, began a volume at 00:18 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.

The watches that followed

Watches SPC issued over any of the same counties within four hours of this discussion.

The nearest sounding before it

Topeka, KS (KTOP), launched 00:00Z, 0.3 hours before the alert went out and 207 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, Topeka, KS at 00:00Z on 2008-06-12Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 2416 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, Topeka, KS at 00:00Z on 2008-06-12The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 150 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
2416 J/kg
Mixed-layer CIN
-60 J/kg
Mixed-layer LCL
1226 m above ground
0-6 km bulk shear
53 kt
0-1 km storm-relative helicity
150 m²/s²
0-3 km storm-relative helicity
333 m²/s²
Significant tornado parameter
2.6
Supercell composite
15.9

Open this sounding in Storm Lab

The text

As transmitted, in the capitals the NWS used until 2016.

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SPC that day

Everything else SPC issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Jun 11, 8:57 PM CDTMesoscale DiscussionSPCAtchison, Barton, Brown, Chase, Clay, Cloud and 29 more93 min
Jun 11, 9:46 PM CDTTornado WatchSPCAtchison, Barton, Brown, Chase, Clay, Cloud and 24 more5 hr
Jun 11, 11:41 PM CDTMesoscale DiscussionSPCAtchison, Brown, Clay, Doniphan, Jackson, Jefferson and 7 more2 hr
Jun 12, 2:26 PM CDTMesoscale DiscussionSPCAnderson, Chase, Coffey, Douglas, Franklin, Greenwood and 10 more2 hr
Jun 12, 3:06 PM CDTTornado WatchSPCAllen, Anderson, Atchison, Butler, Chase, Coffey and 26 more7 hr
Jun 12, 3:52 PM CDTMesoscale DiscussionSPCAtchison, Brown, Doniphan, Douglas, Jackson, Jefferson and 4 more113 min

Nearby

Mesoscale Discussions in Kansas, 2008Mesoscale Discussions in Nebraska, 2008Every mesoscale discussion in 2008

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.