Alert archive / Texas / Mesoscale Discussions in 2006

Mesoscale Discussion 787

May 7, 20065 counties in Kansas; 10 counties in Oklahoma; 16 counties in Texas

The Storm Prediction Center issued this mesoscale discussion at May 7, 2006, 9:15 PM CDT for 5 counties in Kansas; 10 counties in Oklahoma; 16 counties in Texas. It was in force for 60 min.

The area

The outline as issued.

The facts

Issued
May 7, 2006, 9:15 PM CDT (02:15 UTC)
Expired
May 7, 2006, 10:15 PM CDT
In force
60 min
Issued by
the Storm Prediction Center
All 31 counties

Clark County, KS, Comanche County, KS, Kiowa County, KS, Meade County, KS, Seward County, KS, Beaver County, OK, Beckham County, OK, Dewey County, OK, Ellis County, OK, Harper County, OK, Major County, OK, Roger Mills County, OK, Texas County, OK, Woods County, OK, Woodward County, OK, Armstrong County, TX, Carson County, TX, Collingsworth County, TX, Donley County, TX, Gray County, TX, Hansford County, TX, Hemphill County, TX, Hutchinson County, TX, Lipscomb County, TX, Moore County, TX, Ochiltree County, TX, Oldham County, TX, Potter County, TX, Randall County, TX, Roberts County, TX, Wheeler County, TX

The radar

The Amarillo radar (KAMA), 146 km from the middle of the area, began a volume at 02:16 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 00:00Z, 2.3 hours before the alert went out and 190 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 00:00Z on 2006-05-08Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 632 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 00:00Z on 2006-05-08The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 141 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
632 J/kg
Mixed-layer CIN
-79 J/kg
Mixed-layer LCL
1080 m above ground
0-6 km bulk shear
33 kt
0-1 km storm-relative helicity
141 m²/s²
0-3 km storm-relative helicity
228 m²/s²
Significant tornado parameter
0.5
Supercell composite
1.6

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 7, 8:01 PM CDTSevere Thunderstorm WatchSPCClark, Ford, Grant, Gray, Haskell, Meade and 2 more5 hr
May 7, 11:51 PM CDTMesoscale DiscussionSPCBarber, Cowley, Harper, Kingman, Pratt, Reno and 2 more54 min
May 8, 3:40 PM CDTMesoscale DiscussionSPCBarber, Barton, Clark, Comanche, Edwards, Ellis and 28 more2 hr
May 8, 4:23 PM CDTTornado WatchSPCBarber, Barton, Clark, Cloud, Comanche, Decatur and 42 more7 hr
May 8, 5:38 PM CDTMesoscale DiscussionSPCBarton, Brown, Clay, Cloud, Dickinson, Ellis and 29 more67 min
May 8, 10:12 AM CDTMesoscale DiscussionSPCAtoka, Bryan, Carter, Choctaw, Coal, Garvin and 8 more2 hr
May 7, 7:53 PM CDTMesoscale DiscussionSPCAndrews, Borden, Coke, Crane, Crockett, Dawson and 20 more97 min
May 7, 11:20 PM CDTMesoscale DiscussionSPCBell, Blanco, Bosque, Burnet, Coryell, Falls and 18 more55 min
May 8, 12:01 PM CDTMesoscale DiscussionSPCHardin, Jasper, Jefferson, Newton, Orange, Tyler119 min
May 8, 5:10 PM CDTMesoscale DiscussionSPCBrooks, Dimmit, Duval, Frio, Jim Hogg, Kinney and 7 more65 min

Nearby

Mesoscale Discussions in Texas, 2006Mesoscale Discussions in Oklahoma, 2006Mesoscale Discussions in Kansas, 2006Every mesoscale discussion in 2006

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.