Alert archive / Texas / Mesoscale Discussions in 2009

Mesoscale Discussion 1102

June 13, 20094 states

The Storm Prediction Center issued this mesoscale discussion at Jun 13, 2009, 6:46 PM MDT for 4 states. It was in force for 59 min.

The area

The outline as issued.

The facts

Issued
Jun 13, 2009, 6:46 PM MDT (00:46 UTC)
Expired
Jun 13, 2009, 7:45 PM MDT
In force
59 min
Issued by
the Storm Prediction Center
All 126 counties

Baca County, CO, Bent County, CO, Kiowa County, CO, Prowers County, CO, Clark County, KS, Comanche 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, Kiowa County, KS, Lane County, KS, Meade County, KS, Morton County, KS, Scott County, KS, Seward County, KS, Stanton County, KS, Stevens County, KS, Wichita County, KS, Alfalfa County, OK, Beaver County, OK, Beckham County, OK, Blaine County, OK, Caddo County, OK, Canadian County, OK, Carter County, OK, Cimarron County, OK, Cleveland County, OK, Comanche County, OK, Cotton County, OK, Custer County, OK, Dewey County, OK, Ellis County, OK, Garvin County, OK, Grady County, OK, Greer County, OK, Harmon County, OK, Harper County, OK, Jackson County, OK, Jefferson County, OK, Kingfisher County, OK, Kiowa County, OK, Love County, OK, Major County, OK, McClain County, OK, Murray County, OK, Oklahoma County, OK, Roger Mills County, OK, Stephens County, OK, Texas County, OK, Tillman County, OK, Washita County, OK, Woods County, OK, Woodward County, OK, Archer County, TX, Armstrong County, TX, Baylor County, TX, Borden County, TX, Briscoe County, TX, Callahan County, TX, Carson County, TX, Childress County, TX, Clay County, TX, Coleman County, TX, Collingsworth County, TX, Cooke County, TX, Cottle County, TX, Crosby County, TX, Dallam County, TX, Denton County, TX, Dickens County, TX, Donley County, TX, Eastland County, TX, Erath County, TX, Fisher County, TX, Floyd County, TX, Foard County, TX, Garza County, TX, Gray County, TX, Hale County, TX, Hall County, TX, Hansford County, TX, Hardeman County, TX, Haskell County, TX, Hemphill County, TX, Hood County, TX, Hutchinson County, TX, Jack County, TX, Jones County, TX, Kent County, TX, King County, TX, Knox County, TX, Lipscomb County, TX, Lubbock County, TX, Mitchell County, TX, Montague County, TX, Moore County, TX, Motley County, TX, Nolan County, TX, Ochiltree County, TX, Palo Pinto County, TX, Parker County, TX, Potter County, TX, Randall County, TX, Roberts County, TX, Runnels County, TX, Scurry County, TX, Shackelford County, TX, Sherman County, TX, Stephens County, TX, Stonewall County, TX, Swisher County, TX, Tarrant County, TX, Taylor County, TX, Throckmorton County, TX, Wheeler County, TX, Wichita County, TX, Wilbarger County, TX, Wise County, TX, Young County, TX

The radar

The Amarillo radar (KAMA), 91 km from the middle of the area, began a volume at 00:49 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

Amarillo Airport, TX (KAMA), launched 00:00Z, 0.8 hours before the alert went out and 90 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, Amarillo Airport, TX at 00:00Z on 2009-06-14Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 2192 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, Amarillo Airport, TX at 00:00Z on 2009-06-14The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 156 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
2192 J/kg
Mixed-layer CIN
-7 J/kg
Mixed-layer LCL
1390 m above ground
0-6 km bulk shear
81 kt
0-1 km storm-relative helicity
156 m²/s²
0-3 km storm-relative helicity
53 m²/s²
Significant tornado parameter
1.3
Supercell composite
9.8

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 13, 6:42 PM MDTMesoscale DiscussionSPCAdams, Arapahoe, Broomfield, Denver, Douglas, Elbert and 10 more63 min
Jun 14, 12:03 AM MDTSevere Thunderstorm WatchSPCBaca, Prowers3 hr
Jun 14, 1:51 AM MDTMesoscale DiscussionSPCBaca, Prowers84 min
Jun 14, 12:05 PM MDTMesoscale DiscussionSPCBaca, Bent, Cheyenne, Crowley, Kiowa, Otero and 2 more85 min
Jun 14, 1:06 PM MDTMesoscale DiscussionSPCAdams, Arapahoe, Broomfield, Denver, Douglas, Elbert and 4 more54 min
Jun 14, 1:50 PM MDTTornado WatchSPCAdams, Arapahoe, Boulder, Broomfield, Cheyenne, Denver and 13 more7 hr
Jun 14, 4:48 PM MDTMesoscale DiscussionSPCBent, Cheyenne, Crowley, Kiowa, Kit Carson, Lincoln and 5 more117 min
Jun 13, 9:18 PM MDTMesoscale DiscussionSPCBarber, Barton, Comanche, Cowley, Edwards, Ford and 14 more57 min
Jun 13, 10:59 PM MDTMesoscale DiscussionSPCBarton, Cheyenne, Edwards, Ellis, Ellsworth, Gove and 20 more91 min
Jun 14, 3:11 PM MDTTornado WatchSPCBarber, Clark, Comanche, Edwards, Ellis, Finney and 30 more7 hr
Jun 13, 7:19 PM MDTSevere Thunderstorm WatchSPCAlfalfa, Atoka, Blaine, Bryan, Caddo, Canadian and 34 more8 hr
Jun 13, 9:33 PM MDTMesoscale DiscussionSPCAdair, Cherokee, Creek, Delaware, Haskell, Latimer and 15 more57 min
Jun 13, 10:02 PM MDTSevere Thunderstorm WatchSPCAdair, Cherokee, Choctaw, Craig, Creek, Delaware and 20 more6 hr
Jun 14, 5:18 PM MDTMesoscale DiscussionSPCBeckham, Comanche, Cotton, Custer, Greer, Harmon and 5 more57 min
Jun 14, 5:50 PM MDTSevere Thunderstorm WatchSPCBeckham, Blaine, Caddo, Comanche, Cotton, Custer and 8 more7 hr
Jun 14, 1:04 PM MDTMesoscale DiscussionSPCAndrews, Armstrong, Bailey, Borden, Briscoe, Castro and 24 more56 min
Jun 14, 1:20 PM MDTSevere Thunderstorm WatchSPCAndrews, Armstrong, Bailey, Borden, Briscoe, Carson and 44 more7 hr
Jun 14, 4:13 PM MDTMesoscale DiscussionSPCAndrews, Armstrong, Bailey, Borden, Briscoe, Carson and 46 more2 hr

Nearby

Mesoscale Discussions in Texas, 2009Mesoscale Discussions in Oklahoma, 2009Mesoscale Discussions in Kansas, 2009Every mesoscale discussion in 2009

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.