Alert archive / Kansas / Mesoscale Discussions in 2014

Mesoscale Discussion 564

May 11, 201421 counties in Kansas; Ellis County, Harper County, Oklahoma; 5 counties in Texas

The Storm Prediction Center issued this mesoscale discussion at May 11, 2014, 1:46 PM CDT for 21 counties in Kansas; Ellis County, Harper County, Oklahoma; 5 counties in Texas. It was in force for 119 min.

The area

The outline as issued.

The facts

Issued
May 11, 2014, 1:46 PM CDT (18:46 UTC)
Expired
May 11, 2014, 3:45 PM CDT
In force
119 min
Issued by
the Storm Prediction Center
Chance of a watch
95%
All 28 counties

Barber County, KS, Barton County, KS, Clark County, KS, Comanche County, KS, Edwards County, KS, Ellis County, KS, Ellsworth County, KS, Ford County, KS, Harvey County, KS, Kingman County, KS, Kiowa County, KS, McPherson County, KS, Pawnee County, KS, Pratt County, KS, Reno County, KS, Rice County, KS, Rooks County, KS, Rush County, KS, Russell County, KS, Stafford County, KS, Trego County, KS, Ellis County, OK, Harper County, OK, Gray County, TX, Hemphill County, TX, Lipscomb County, TX, Roberts County, TX, Wheeler County, TX

The radar

The Dodge City radar (KDDC), 65 km from the middle of the area, began a volume at 18:44 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 12:00Z, 6.8 hours before the alert went out and 61 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 12:00Z on 2014-05-11Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 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 12:00Z on 2014-05-11The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 267 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
2327 m above ground
0-6 km bulk shear
37 kt
0-1 km storm-relative helicity
267 m²/s²
0-3 km storm-relative helicity
271 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
May 10, 7:59 PM CDTMesoscale DiscussionSPCAllen, Anderson, Atchison, Barber, Barton, Bourbon and 60 more91 min
May 10, 9:50 PM CDTSevere Thunderstorm WatchSPCAllen, Anderson, Barton, Butler, Chase, Clay and 29 more6 hr
May 10, 11:54 PM CDTMesoscale DiscussionSPCAllen, Anderson, Barton, Butler, Chase, Clay and 29 more96 min
May 11, 2:58 AM CDTSevere Thunderstorm WatchSPCBrown, Clay, Cloud, Jackson, Jewell, Marshall and 7 more7 hr
May 11, 12:49 PM CDTMesoscale DiscussionSPCAtchison, Brown, Clay, Cloud, Doniphan, Geary and 13 more116 min
May 11, 2:21 PM CDTTornado WatchSPCCloud, Jewell, Mitchell, Osborne, Ottawa, Phillips and 4 more8 hr
May 11, 2:38 PM CDTTornado WatchSPCBarber, Barton, Clark, Comanche, Edwards, Ellis and 16 more7 hr
May 11, 5:31 PM CDTMesoscale DiscussionSPCBarber, Barton, Clark, Cloud, Comanche, Edwards and 25 more89 min

Nearby

Mesoscale Discussions in Kansas, 2014Mesoscale Discussions in Texas, 2014Mesoscale Discussions in Oklahoma, 2014Every mesoscale discussion in 2014

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.