Alert archive / Kansas / Mesoscale Discussions in 2015

Mesoscale Discussion 816

May 27, 20155 states

The Storm Prediction Center issued this mesoscale discussion at May 27, 2015, 5:16 PM MDT for 5 states. It was in force for 119 min.

The area

The outline as issued.

The facts

Issued
May 27, 2015, 5:16 PM MDT (23:16 UTC)
Expired
May 27, 2015, 7:15 PM MDT
In force
119 min
Issued by
the Storm Prediction Center
All 47 counties

Yuma County, CO, Cheyenne County, KS, Clark County, KS, Decatur County, KS, Finney County, KS, Ford County, KS, Gove County, KS, Grant County, KS, Gray County, KS, Greeley County, KS, Hamilton County, KS, Haskell County, KS, Hodgeman County, KS, Kearny County, KS, Lane County, KS, Logan County, KS, Meade County, KS, Rawlins County, KS, Scott County, KS, Seward County, KS, Sheridan County, KS, Sherman County, KS, Stanton County, KS, Stevens County, KS, Thomas County, KS, Wallace County, KS, Wichita County, KS, Dundy County, NE, Hitchcock County, NE, Beaver County, OK, Beckham County, OK, Ellis County, OK, Greer County, OK, Harper County, OK, Kiowa County, OK, Roger Mills County, OK, Texas County, OK, Washita County, OK, Collingsworth County, TX, Donley County, TX, Gray County, TX, Hansford County, TX, Hemphill County, TX, Lipscomb County, TX, Ochiltree County, TX, Roberts County, TX, Wheeler County, TX

The radar

The Dodge City radar (KDDC), 111 km from the middle of the area, began a volume at 23:20 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 12:00Z, 11.3 hours before the alert went out and 117 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 2015-05-27Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 111 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 2015-05-27The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 21 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
111 J/kg
Mixed-layer CIN
-83 J/kg
Mixed-layer LCL
1711 m above ground
0-6 km bulk shear
35 kt
0-1 km storm-relative helicity
21 m²/s²
0-3 km storm-relative helicity
58 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.5

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 27, 12:55 PM MDTMesoscale DiscussionSPCKit Carson, Phillips, Sedgwick, Yuma95 min
May 27, 1:26 PM MDTTornado WatchSPCKit Carson, Yuma7 hr
May 26, 6:55 PM MDTMesoscale DiscussionSPCAlfalfa, Blaine, Caddo, Canadian, Cleveland, Comanche and 9 more95 min
May 26, 9:56 PM MDTMesoscale DiscussionSPCBlaine, Caddo, Canadian, Cherokee, Cleveland, Creek and 21 more94 min
May 27, 1:13 PM MDTMesoscale DiscussionSPCBeaver, Beckham, Ellis, Harmon, Harper, Roger Mills92 min
May 27, 1:46 PM MDTTornado WatchSPCBeaver, Beckham, Custer, Dewey, Ellis, Greer and 6 more10 hr
May 26, 7:25 PM MDTMesoscale DiscussionSPCCoke, Coleman, Concho, Irion, Kimble, McCulloch and 6 more95 min
May 26, 7:51 PM MDTMesoscale DiscussionSPCCallahan, Comanche, Eastland, Erath, Hood, Jack and 8 more84 min
May 26, 8:27 PM MDTSevere Thunderstorm WatchSPCBosque, Brown, Callahan, Coleman, Collin, Comanche and 37 more6 hr
May 26, 10:47 PM MDTMesoscale DiscussionSPCAnderson, Bell, Bosque, Comanche, Coryell, Erath and 16 more88 min
May 27, 3:48 AM MDTMesoscale DiscussionSPCAustin, Chambers, Fort Bend, Hardin, Harris, Jasper and 13 more117 min
May 27, 10:39 AM MDTMesoscale DiscussionSPCAtascosa, Bandera, Bexar, Blanco, Caldwell, Comal and 16 more66 min
May 27, 2:09 PM MDTMesoscale DiscussionSPCArcher, Baylor, Brown, Callahan, Clay, Coleman and 18 more2 hr
May 27, 4:05 PM MDTMesoscale DiscussionSPCAndrews, Bailey, Borden, Briscoe, Castro, Cochran and 23 more115 min

Nearby

Mesoscale Discussions in Kansas, 2015Mesoscale Discussions in Oklahoma, 2015Mesoscale Discussions in Texas, 2015Every mesoscale discussion in 2015

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.