Alert archive / Texas / Mesoscale Discussions in 2008

Mesoscale Discussion 2092

August 14, 20084 states

The Storm Prediction Center issued this mesoscale discussion at Aug 14, 2008, 6:00 PM CDT for 4 states. It was in force for 90 min.

The area

The outline as issued.

The facts

Issued
Aug 14, 2008, 6:00 PM CDT (23:00 UTC)
Expired
Aug 14, 2008, 7:30 PM CDT
In force
90 min
Issued by
the Storm Prediction Center
All 38 counties

Clark County, KS, Grant 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, Guadalupe County, NM, Harding County, NM, Quay County, NM, San Miguel County, NM, Union County, NM, Beaver County, OK, Cimarron County, OK, Texas County, OK, Armstrong County, TX, Carson County, TX, Collingsworth County, TX, Dallam County, TX, Deaf Smith County, TX, Donley County, TX, Gray County, TX, Hansford County, TX, Hartley 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, Sherman County, TX, Wheeler County, TX

The radar

The Cannon AFB radar (KFDX), 143 km from the middle of the area, began a volume at 23:04 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

Amarillo Airport, TX (KAMA), launched 12:00Z, 11.0 hours before the alert went out and 145 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 12:00Z on 2008-08-14Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 237 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 12:00Z on 2008-08-14The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 98 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
237 J/kg
Mixed-layer CIN
-289 J/kg
Mixed-layer LCL
1559 m above ground
0-6 km bulk shear
21 kt
0-1 km storm-relative helicity
98 m²/s²
0-3 km storm-relative helicity
48 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
Aug 14, 2:03 AM CDTSevere Thunderstorm WatchSPCBarton, Edwards, Ellsworth, Kingman, Lincoln, McPherson and 7 more3 hr
Aug 14, 3:26 AM CDTMesoscale DiscussionSPCBarber, Barton, Butler, Cowley, Edwards, Ellis and 19 more94 min
Aug 14, 12:47 PM CDTMesoscale DiscussionSPCBarber, Clark, Comanche, Edwards, Finney, Ford and 22 more88 min
Aug 14, 2:47 PM CDTSevere Thunderstorm WatchSPCClark, Grant, Hamilton, Haskell, Kearny, Meade and 4 more9 hr
Aug 14, 6:31 PM CDTSevere Thunderstorm WatchSPCChaves, Curry, Lea, Roosevelt5 hr

Nearby

Mesoscale Discussions in Texas, 2008Mesoscale Discussions in Kansas, 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.