Alert archive / Kansas / Mesoscale Discussions in 2015

Mesoscale Discussion 978

June 11, 20154 states

The Storm Prediction Center issued this mesoscale discussion at Jun 11, 2015, 6:10 PM MDT for 4 states. It was in force for 95 min.

The area

The outline as issued.

The facts

Issued
Jun 11, 2015, 6:10 PM MDT (00:10 UTC)
Expired
Jun 11, 2015, 7:45 PM MDT
In force
95 min
Issued by
the Storm Prediction Center
All 39 counties

Baca County, CO, Bent County, CO, Cheyenne County, CO, Crowley County, CO, El Paso County, CO, Elbert County, CO, Huerfano County, CO, Kiowa County, CO, Kit Carson County, CO, Las Animas County, CO, Lincoln County, CO, Otero County, CO, Prowers County, CO, Pueblo County, CO, Teller County, CO, Clark County, KS, Finney County, KS, Ford County, KS, Grant County, KS, Gray County, KS, Greeley County, KS, Hamilton County, KS, Haskell County, KS, Hodgeman County, KS, Kearny County, KS, Meade County, KS, Morton County, KS, Seward County, KS, Stanton County, KS, Stevens County, KS, Wallace County, KS, Beaver County, OK, Cimarron County, OK, Harper County, OK, Texas County, OK, Dallam County, TX, Hansford County, TX, Hartley County, TX, Sherman County, TX

The radar

The Pueblo radar (KPUX), 121 km from the middle of the area, began a volume at 00:12 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

Denver, CO (KDEN), launched 00:00Z, 0.2 hours before the alert went out and 211 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, Denver, CO at 00:00Z on 2015-06-12Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 8 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, Denver, CO at 00:00Z on 2015-06-12The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 11 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
8 J/kg
Mixed-layer CIN
-127 J/kg
Mixed-layer LCL
1096 m above ground
0-6 km bulk shear
31 kt
0-1 km storm-relative helicity
11 m²/s²
0-3 km storm-relative helicity
273 m²/s²
Significant tornado parameter
-0.0
Supercell composite
-0.1

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, 8:48 PM MDTMesoscale DiscussionSPCBaca, Prowers87 min
Jun 11, 6:54 PM MDTMesoscale DiscussionSPCAnderson, Atchison, Chase, Coffey, Doniphan, Douglas and 12 more96 min
Jun 11, 10:10 PM MDTMesoscale DiscussionSPCBarber, Clark, Comanche, Ford, Grant, Haskell and 6 more65 min
Jun 12, 2:52 PM MDTMesoscale DiscussionSPCBourbon, Cherokee, Crawford, Labette83 min
Jun 12, 2:30 PM MDTMesoscale DiscussionSPCBeckham, Custer, Greer, Harmon, Jackson, Kiowa and 2 more2 hr
Jun 12, 2:55 PM MDTSevere Thunderstorm WatchSPCAlfalfa, Beckham, Blaine, Caddo, Canadian, Cleveland and 25 more6 hr
Jun 12, 5:23 PM MDTMesoscale DiscussionSPCAlfalfa, Beckham, Blaine, Caddo, Canadian, Comanche and 22 more97 min
Jun 12, 12:44 PM MDTMesoscale DiscussionSPCAndrews, Bailey, Borden, Cochran, Crane, Dawson and 17 more2 hr
Jun 12, 1:47 PM MDTTornado WatchSPCAndrews, Armstrong, Bailey, Borden, Brewster, Briscoe and 45 more7 hr
Jun 12, 4:39 PM MDTMesoscale DiscussionSPCAndrews, Armstrong, Borden, Briscoe, Castro, Cochran and 30 more96 min

Nearby

Mesoscale Discussions in Kansas, 2015Mesoscale Discussions in Colorado, 2015Mesoscale Discussions in Oklahoma, 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.