Alert archive / Kansas / Mesoscale Discussions in 2011

Mesoscale Discussion 2235

October 7, 201118 counties in Kansas; Cimarron County, Texas County, Oklahoma; 5 counties in Texas

The Storm Prediction Center issued this mesoscale discussion at Oct 7, 2011, 10:25 PM CDT for 18 counties in Kansas; Cimarron County, Texas County, Oklahoma; 5 counties in Texas. It was in force for 95 min.

The area

The outline as issued.

The facts

Issued
Oct 7, 2011, 10:25 PM CDT (03:25 UTC)
Expired
Oct 8, 2011, 12:00 AM CDT
In force
95 min
Issued by
the Storm Prediction Center
All 25 counties

Finney County, KS, Gove County, KS, Graham County, KS, Grant County, KS, Greeley County, KS, Hamilton County, KS, Haskell County, KS, Kearny County, KS, Lane County, KS, Logan County, KS, Morton County, KS, Rawlins County, KS, Scott County, KS, Sheridan County, KS, Stanton County, KS, Stevens County, KS, Thomas County, KS, Wichita County, KS, Cimarron County, OK, Texas County, OK, Dallam County, TX, Hartley County, TX, Moore County, TX, Oldham County, TX, Sherman County, TX

The radar

The Dodge City radar (KDDC), 183 km from the middle of the area, began a volume at 03:26 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

Dodge City, (KDDC), launched 00:00Z, 3.4 hours before the alert went out and 189 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, Dodge City, at 00:00Z on 2011-10-08Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 442 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, Dodge City, at 00:00Z on 2011-10-08The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 129 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
442 J/kg
Mixed-layer CIN
-108 J/kg
Mixed-layer LCL
1533 m above ground
0-6 km bulk shear
51 kt
0-1 km storm-relative helicity
129 m²/s²
0-3 km storm-relative helicity
102 m²/s²
Significant tornado parameter
0.1
Supercell composite
1.9

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
Oct 8, 12:55 AM CDTMesoscale DiscussionSPCDecatur, Ellis, Finney, Gove, Graham, Grant and 22 more95 min
Oct 8, 1:47 AM CDTSevere Thunderstorm WatchSPCClark, Decatur, Finney, Ford, Gove, Graham and 24 more5 hr
Oct 8, 5:28 AM CDTMesoscale DiscussionSPCClark, Decatur, Ford, Gove, Graham, Gray and 7 more62 min
Oct 7, 8:40 PM CDTMesoscale DiscussionSPCBailey, Castro, Cochran, Gaines, Hockley, Lamb and 3 more95 min
Oct 7, 11:39 PM CDTMesoscale DiscussionSPCAndrews, Bailey, Borden, Castro, Cochran, Crane and 21 more96 min
Oct 7, 11:57 PM CDTSevere Thunderstorm WatchSPCAndrews, Bailey, Castro, Cochran, Crane, Dawson and 17 more6 hr

Nearby

Mesoscale Discussions in Kansas, 2011Mesoscale Discussions in Texas, 2011Mesoscale Discussions in Oklahoma, 2011Every mesoscale discussion in 2011

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.