Alert archive / Texas / Mesoscale Discussions in 2013

Mesoscale Discussion 596

May 6, 2013Roosevelt County, New Mexico; 9 counties in Texas

The Storm Prediction Center issued this mesoscale discussion at May 6, 2013, 6:28 PM MDT for Roosevelt County, New Mexico; 9 counties in Texas. It was in force for 92 min.

The area

The outline as issued.

The facts

Issued
May 6, 2013, 6:28 PM MDT (00:28 UTC)
Expired
May 6, 2013, 8:00 PM MDT
In force
92 min
Issued by
the Storm Prediction Center
Chance of a watch
5%

Counties Roosevelt County, NM, Bailey County, TX, Cochran County, TX, Crosby County, TX, Hale County, TX, Hockley County, TX, Lamb County, TX, Lubbock County, TX, Lynn County, TX, Terry County, TX

The nearest sounding before it

Amarillo Airport, TX (KAMA), launched 00:00Z, 0.5 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, Amarillo Airport, TX at 00:00Z on 2013-05-07Temperature 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, Amarillo Airport, TX at 00:00Z on 2013-05-07The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 28 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
1595 m above ground
0-6 km bulk shear
27 kt
0-1 km storm-relative helicity
28 m²/s²
0-3 km storm-relative helicity
206 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
May 7, 1:38 PM MDTMesoscale DiscussionSPCGray, Hemphill, Lipscomb, Ochiltree, Roberts3 hr
May 7, 5:06 PM MDTMesoscale DiscussionSPCBorden, Cottle, Crosby, Dawson, Dickens, Fisher and 10 more84 min

Nearby

Mesoscale Discussions in Texas, 2013Mesoscale Discussions in New Mexico, 2013Every mesoscale discussion in 2013

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.