Alert archive / Texas / Mesoscale Discussions in 2008

Mesoscale Discussion 802

May 6, 20086 counties in New Mexico; 10 counties in Oklahoma; 90 counties in Texas

The Storm Prediction Center issued this mesoscale discussion at May 6, 2008, 7:50 PM MDT for 6 counties in New Mexico; 10 counties in Oklahoma; 90 counties in Texas. It was in force for 85 min.

The area

The outline as issued.

The facts

Issued
May 6, 2008, 7:50 PM MDT (01:50 UTC)
Expired
May 6, 2008, 9:15 PM MDT
In force
85 min
Issued by
the Storm Prediction Center
All 106 counties

Chaves County, NM, Curry County, NM, Eddy County, NM, Lea County, NM, Quay County, NM, Roosevelt County, NM, Beckham County, OK, Custer County, OK, Ellis County, OK, Greer County, OK, Harmon County, OK, Jackson County, OK, Kiowa County, OK, Roger Mills County, OK, Tillman County, OK, Washita County, OK, Andrews County, TX, Armstrong County, TX, Bailey County, TX, Baylor County, TX, Borden County, TX, Briscoe County, TX, Callahan County, TX, Carson County, TX, Castro County, TX, Childress County, TX, Cochran County, TX, Coke County, TX, Coleman County, TX, Collingsworth County, TX, Concho County, TX, Cottle County, TX, Crane County, TX, Crockett County, TX, Crosby County, TX, Culberson County, TX, Dallam County, TX, Dawson County, TX, Deaf Smith County, TX, Dickens County, TX, Donley County, TX, Ector County, TX, Fisher County, TX, Floyd County, TX, Foard County, TX, Gaines County, TX, Garza County, TX, Glasscock County, TX, Gray County, TX, Hale County, TX, Hall County, TX, Hansford County, TX, Hardeman County, TX, Hartley County, TX, Haskell County, TX, Hemphill County, TX, Hockley County, TX, Howard County, TX, Hutchinson County, TX, Irion County, TX, Jeff Davis County, TX, Jones County, TX, Kent County, TX, King County, TX, Knox County, TX, Lamb County, TX, Lipscomb County, TX, Loving County, TX, Lubbock County, TX, Lynn County, TX, Martin County, TX, Midland County, TX, Mitchell County, TX, Moore County, TX, Motley County, TX, Nolan County, TX, Ochiltree County, TX, Oldham County, TX, Parmer County, TX, Pecos County, TX, Potter County, TX, Randall County, TX, Reagan County, TX, Reeves County, TX, Roberts County, TX, Runnels County, TX, Schleicher County, TX, Scurry County, TX, Shackelford County, TX, Sherman County, TX, Sterling County, TX, Stonewall County, TX, Sutton County, TX, Swisher County, TX, Taylor County, TX, Terrell County, TX, Terry County, TX, Throckmorton County, TX, Tom Green County, TX, Upton County, TX, Val Verde County, TX, Ward County, TX, Wheeler County, TX, Wilbarger County, TX, Winkler County, TX, Yoakum County, TX

The radar

The Lubbock radar (KLBB), 61 km from the middle of the area, began a volume at 01:51 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

Midland Regional, TX (KMAF), launched 00:00Z, 1.8 hours before the alert went out and 132 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, Midland Regional, TX at 00:00Z on 2008-05-07Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1301 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, Midland Regional, TX at 00:00Z on 2008-05-07The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 169 square meters per square second.1939587897117Sfc1 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
1301 J/kg
Mixed-layer CIN
-99 J/kg
Mixed-layer LCL
1596 m above ground
0-6 km bulk shear
63 kt
0-1 km storm-relative helicity
169 m²/s²
0-3 km storm-relative helicity
264 m²/s²
Significant tornado parameter
0.4
Supercell composite
6.4

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 6, 8:51 PM MDTSevere Thunderstorm WatchSPCChaves, Curry, Eddy, Harding, Lea, Quay and 2 more7 hr
May 6, 11:04 PM MDTMesoscale DiscussionSPCCurry, Harding, Lea, Quay, Roosevelt86 min
May 6, 8:59 PM MDTMesoscale DiscussionSPCWoods61 min
May 7, 1:47 AM MDTMesoscale DiscussionSPCBeckham, Caddo, Comanche, Cotton, Custer, Greer and 5 more58 min
May 7, 6:07 AM MDTMesoscale DiscussionSPCAtoka, Carter, Cherokee, Cleveland, Coal, Creek and 25 more53 min
May 7, 6:33 AM MDTSevere Thunderstorm WatchSPCAdair, Cherokee, Delaware, Haskell, Latimer, LeFlore and 9 more5 hr
May 7, 8:52 AM MDTMesoscale DiscussionSPCAdair, Cherokee, Cleveland, Coal, Craig, Creek and 22 more83 min
May 7, 12:33 PM MDTTornado WatchSPCAtoka, Bryan, Carter, Cleveland, Coal, Cotton and 14 more6 hr
May 7, 2:13 PM MDTMesoscale DiscussionSPCAtoka, Bryan, Carter, Choctaw, Coal, Garvin and 7 more2 hr
May 7, 3:47 PM MDTMesoscale DiscussionSPCHaskell, Latimer, LeFlore, McCurtain, Pushmataha88 min
May 7, 4:28 PM MDTTornado WatchSPCAdair, Cherokee, Choctaw, Craig, Creek, Delaware and 20 more8 hr
May 7, 5:35 PM MDTMesoscale DiscussionSPCAtoka, Bryan, Choctaw, Coal, Johnston, Marshall55 min
May 6, 10:35 PM MDTMesoscale DiscussionSPCBandera, Edwards, Gillespie, Kerr, Kinney, Maverick and 4 more85 min
May 7, 10:59 AM MDTMesoscale DiscussionSPCArcher, Baylor, Borden, Callahan, Cottle, Crosby and 29 more91 min
May 7, 12:17 PM MDTMesoscale DiscussionSPCArcher, Baylor, Borden, Callahan, Cottle, Crosby and 29 more88 min
May 7, 2:42 PM MDTTornado WatchSPCAnderson, Bell, Ellis, Falls, Freestone, Henderson and 9 more6 hr

Nearby

Mesoscale Discussions in Texas, 2008Mesoscale Discussions in Oklahoma, 2008Mesoscale Discussions in New Mexico, 2008Every mesoscale discussion in 2008

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.