Alert archive / Texas / Mesoscale Discussions in 2013

Mesoscale Discussion 802

May 25, 201329 counties in Texas

The Storm Prediction Center issued this mesoscale discussion at May 25, 2013, 10:34 PM CDT for 29 counties in Texas. It was in force for 56 min.

The area

The outline as issued.

The facts

Issued
May 25, 2013, 10:34 PM CDT (03:34 UTC)
Expired
May 25, 2013, 11:30 PM CDT
In force
56 min
Issued by
the Storm Prediction Center
All 29 counties

Andrews County, TX, Armstrong County, TX, Borden County, TX, Briscoe County, TX, Carson County, TX, Castro County, TX, Crane County, TX, Crosby County, TX, Dawson County, TX, Ector County, TX, Floyd County, TX, Gaines County, TX, Garza County, TX, Hale County, TX, Hockley County, TX, Jeff Davis County, TX, Lamb County, TX, Loving County, TX, Lubbock County, TX, Lynn County, TX, Martin County, TX, Midland County, TX, Potter County, TX, Randall County, TX, Reeves County, TX, Swisher County, TX, Terry County, TX, Ward County, TX, Winkler County, TX

The radar

The Midland/Odessa radar (KMAF), 87 km from the middle of the area, began a volume at 03:37 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

Midland Regional, TX (KMAF), launched 00:00Z, 3.6 hours before the alert went out and 86 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 2013-05-26Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1015 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 2013-05-26The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 19 square meters per square second.1939Sfc1 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
1015 J/kg
Mixed-layer CIN
-194 J/kg
Mixed-layer LCL
2020 m above ground
0-6 km bulk shear
22 kt
0-1 km storm-relative helicity
19 m²/s²
0-3 km storm-relative helicity
84 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.5

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 26, 5:03 PM CDTMesoscale DiscussionSPCArmstrong, Briscoe, Carson, Childress, Collingsworth, Cottle and 14 more117 min

Nearby

Mesoscale Discussions in Texas, 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; radar from the NEXRAD Level II archive.