Alert archive / Kansas / Mesoscale Discussions in 2012

Mesoscale Discussion 2043

October 12, 20124 states

The Storm Prediction Center issued this mesoscale discussion at Oct 12, 2012, 11:52 PM CDT for 4 states. It was in force for 83 min.

The area

The outline as issued.

The facts

Issued
Oct 12, 2012, 11:52 PM CDT (04:52 UTC)
Expired
Oct 13, 2012, 1:15 AM CDT
In force
83 min
Issued by
the Storm Prediction Center
Chance of a watch
40%
All 46 counties

Barton County, KS, Clark County, KS, Comanche County, KS, Edwards County, KS, Ellis County, KS, Finney County, KS, Ford County, KS, Gove County, KS, Graham County, KS, Grant County, KS, Gray County, KS, Haskell County, KS, Hodgeman County, KS, Kearny County, KS, Kiowa County, KS, Lane County, KS, Meade County, KS, Morton County, KS, Ness County, KS, Osborne County, KS, Pawnee County, KS, Phillips County, KS, Rooks County, KS, Rush County, KS, Russell County, KS, Scott County, KS, Seward County, KS, Stanton County, KS, Stevens County, KS, Trego County, KS, Quay County, NM, Beaver County, OK, Cimarron County, OK, Harper County, OK, Texas County, OK, Dallam County, TX, Hansford County, TX, Hartley County, TX, Hutchinson County, TX, Lipscomb County, TX, Moore County, TX, Ochiltree County, TX, Oldham County, TX, Potter County, TX, Roberts County, TX, Sherman County, TX

The radar

The Dodge City radar (KDDC), 108 km from the middle of the area, began a volume at 04:54 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 nearest sounding before it

Dodge City, (KDDC), launched 00:00Z, 4.9 hours before the alert went out and 114 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 2012-10-13Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCL10008507005003002001001 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 2012-10-13The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 233 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
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
713 m above ground
0-6 km bulk shear
46 kt
0-1 km storm-relative helicity
233 m²/s²
0-3 km storm-relative helicity
437 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

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 12, 10:11 PM CDTMesoscale DiscussionSPCFinney, Grant, Gray, Hamilton, Haskell, Hodgeman and 10 more94 min
Oct 13, 2:06 AM CDTMesoscale DiscussionSPCClark, Comanche, Ford, Kiowa, Meade, Seward84 min
Oct 13, 2:00 PM CDTMesoscale DiscussionSPCBarber, Barton, Clark, Clay, Cloud, Comanche and 31 more90 min
Oct 13, 3:13 PM CDTSevere Thunderstorm WatchSPCBarber, Barton, Butler, Chase, Clay, Cloud and 26 more6 hr
Oct 13, 5:57 PM CDTTornado WatchSPCCherokee, Crawford6 hr
Oct 13, 6:26 PM CDTMesoscale DiscussionSPCButler, Chase, Clay, Cloud, Cowley, Dickinson and 24 more64 min
Oct 13, 6:59 PM CDTMesoscale DiscussionSPCCherokee, Crawford2 hr
Oct 12, 9:19 PM CDTMesoscale DiscussionSPCCurry, Harding, Lea, Quay, Roosevelt, Union56 min
Oct 12, 11:34 PM CDTMesoscale DiscussionSPCLea, Roosevelt86 min
Oct 13, 12:23 PM CDTMesoscale DiscussionSPCCaddo, Comanche, Custer, Greer, Jackson, Kiowa and 2 more3 hr
Oct 13, 1:00 PM CDTTornado WatchSPCAlfalfa, Atoka, Blaine, Bryan, Caddo, Canadian and 36 more8 hr
Oct 13, 2:55 PM CDTMesoscale DiscussionSPCAtoka, Blaine, Bryan, Caddo, Canadian, Carter and 33 more95 min
Oct 13, 1:10 PM CDTMesoscale DiscussionSPCCoke, Concho, Crockett, Irion, Menard, Reagan and 7 more95 min
Oct 13, 1:37 PM CDTSevere Thunderstorm WatchSPCBrown, Coke, Coleman, Concho, Crockett, Edwards and 19 more9 hr
Oct 13, 3:42 PM CDTMesoscale DiscussionSPCCoke, Crockett, Irion, Kinney, Maverick, Reagan and 6 more93 min
Oct 13, 6:30 PM CDTMesoscale DiscussionSPCAngelina, Austin, Bastrop, Bexar, Brazos, Burleson and 27 more60 min

Nearby

Mesoscale Discussions in Kansas, 2012Mesoscale Discussions in Texas, 2012Mesoscale Discussions in Oklahoma, 2012Every mesoscale discussion in 2012

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.