Alert archive / Texas / Mesoscale Discussions in 2011

Mesoscale Discussion 1044

May 31, 20114 counties in New Mexico; 33 counties in Texas

The Storm Prediction Center issued this mesoscale discussion at May 31, 2011, 6:30 PM MDT for 4 counties in New Mexico; 33 counties in Texas. It was in force for 60 min.

The area

The outline as issued.

The facts

Issued
May 31, 2011, 6:30 PM MDT (00:30 UTC)
Expired
May 31, 2011, 7:30 PM MDT
In force
60 min
Issued by
the Storm Prediction Center
All 37 counties

Chaves County, NM, Eddy County, NM, Lea County, NM, Roosevelt County, NM, Andrews County, TX, Armstrong County, TX, Bailey County, TX, Briscoe County, TX, Castro County, TX, Childress County, TX, Cochran County, TX, Collingsworth County, TX, Cottle County, TX, Crosby County, TX, Culberson County, TX, Dawson County, TX, Dickens County, TX, Donley County, TX, Floyd County, TX, Gaines County, TX, Garza County, TX, Gray County, TX, Hale County, TX, Hall County, TX, Hockley County, TX, King County, TX, Lamb County, TX, Loving County, TX, Lubbock County, TX, Lynn County, TX, Motley County, TX, Parmer County, TX, Reeves County, TX, Swisher County, TX, Terry County, TX, Wheeler County, TX, Yoakum County, TX

The radar

The Lubbock radar (KLBB), 121 km from the middle of the area, began a volume at 00:33 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, 0.5 hours before the alert went out and 147 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 2011-06-01Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1942 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 2011-06-01The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -29 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
1942 J/kg
Mixed-layer CIN
-181 J/kg
Mixed-layer LCL
1957 m above ground
0-6 km bulk shear
36 kt
0-1 km storm-relative helicity
-29 m²/s²
0-3 km storm-relative helicity
103 m²/s²
Significant tornado parameter
0.0
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 31, 8:19 PM MDTMesoscale DiscussionSPCLea, Roosevelt56 min
Jun 1, 1:24 PM MDTMesoscale DiscussionSPCHarding, Quay, Union3 hr
Jun 1, 2:16 PM MDTSevere Thunderstorm WatchSPCChaves, Colfax, Curry, De Baca, Guadalupe, Harding and 6 more7 hr
Jun 1, 5:22 PM MDTMesoscale DiscussionSPCChaves, Colfax, Curry, De Baca, Guadalupe, Harding and 6 more53 min

Nearby

Mesoscale Discussions in Texas, 2011Mesoscale Discussions in New Mexico, 2011Every mesoscale discussion in 2011

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.