Alert archive / Oklahoma / Mesoscale Discussions in 2011

Mesoscale Discussion 1187

June 11, 20114 states

The Storm Prediction Center issued this mesoscale discussion at Jun 11, 2011, 4:43 PM MDT for 4 states. It was in force for 62 min.

The area

The outline as issued.

The facts

Issued
Jun 11, 2011, 4:43 PM MDT (22:43 UTC)
Expired
Jun 11, 2011, 5:45 PM MDT
In force
62 min
Issued by
the Storm Prediction Center
All 41 counties

Baca County, CO, Bent County, CO, Crowley County, CO, Kiowa County, CO, Las Animas County, CO, Otero County, CO, Prowers County, CO, Pueblo County, CO, Barber County, KS, Clark County, KS, Comanche County, KS, Grant County, KS, Gray County, KS, Hamilton County, KS, Haskell County, KS, Kearny County, KS, Meade County, KS, Morton County, KS, Seward County, KS, Stanton County, KS, Stevens County, KS, Beaver County, OK, Blaine County, OK, Caddo County, OK, Cimarron County, OK, Custer County, OK, Dewey County, OK, Ellis County, OK, Harper County, OK, Major County, OK, Roger Mills County, OK, Texas County, OK, Washita County, OK, Woods County, OK, Woodward County, OK, Hansford County, TX, Hemphill County, TX, Lipscomb County, TX, Ochiltree County, TX, Roberts County, TX, Sherman County, TX

The radar

The Dodge City radar (KDDC), 183 km from the middle of the area, began a volume at 22:46 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, 10.7 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 12:00Z on 2011-06-11Temperature 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 12:00Z on 2011-06-11The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 152 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
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
1356 m above ground
0-6 km bulk shear
24 kt
0-1 km storm-relative helicity
152 m²/s²
0-3 km storm-relative helicity
177 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
Jun 11, 11:44 AM MDTMesoscale DiscussionSPCBaca, Bent, Crowley, Kiowa, Las Animas, Otero and 2 more91 min
Jun 11, 12:09 PM MDTSevere Thunderstorm WatchSPCBaca, Bent, Crowley, El Paso, Huerfano, Kiowa and 4 more7 hr
Jun 11, 3:04 PM MDTMesoscale DiscussionSPCAdams, Arapahoe, Elbert, Kit Carson, Logan, Morgan and 4 more86 min
Jun 11, 3:35 PM MDTSevere Thunderstorm WatchSPCAdams, Arapahoe, Cheyenne, Elbert, Kit Carson, Lincoln and 7 more6 hr
Jun 10, 6:47 PM MDTMesoscale DiscussionSPCAllen, Anderson, Bourbon, Chautauqua, Cherokee, Coffey and 12 more58 min
Jun 10, 9:56 PM MDTMesoscale DiscussionSPCCherokee, Crawford94 min
Jun 11, 2:39 PM MDTSevere Thunderstorm WatchSPCBarber, Clark, Comanche, Finney, Ford, Grant and 11 more9 hr
Jun 10, 7:50 PM MDTMesoscale DiscussionSPCCaddo, Comanche, Grady, Greer, Harmon, Jackson and 3 more55 min
Jun 11, 1:28 PM MDTMesoscale DiscussionSPCBeckham, Blaine, Caddo, Canadian, Carter, Cleveland and 25 more2 hr
Jun 11, 3:57 PM MDTMesoscale DiscussionSPCHaskell, Latimer, LeFlore, McIntosh, Sequoyah63 min

Nearby

Mesoscale Discussions in Oklahoma, 2011Mesoscale Discussions in Kansas, 2011Mesoscale Discussions in Colorado, 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.