Alert archive / Texas / Mesoscale Discussions in 2019

Mesoscale Discussion 543

May 5, 2019Eddy County, Lea County, New Mexico; 19 counties in Texas

The Storm Prediction Center issued this mesoscale discussion at May 5, 2019, 2:04 PM MDT for Eddy County, Lea County, New Mexico; 19 counties in Texas. It was in force for 116 min.

The area

The outline as issued.

The facts

Issued
May 5, 2019, 2:04 PM MDT (20:04 UTC)
Expired
May 5, 2019, 4:00 PM MDT
In force
116 min
Issued by
the Storm Prediction Center
Chance of a watch
40%
All 21 counties

Eddy County, NM, Lea County, NM, Andrews County, TX, Brewster County, TX, Crane County, TX, Crockett County, TX, Ector County, TX, Gaines County, TX, Glasscock County, TX, Jeff Davis County, TX, Loving County, TX, Martin County, TX, Midland County, TX, Pecos County, TX, Presidio County, TX, Reagan County, TX, Reeves County, TX, Terrell County, TX, Upton County, TX, Ward County, TX, Winkler County, TX

The radar

The Midland/Odessa radar (KMAF), 154 km from the middle of the area, began a volume at 20:06 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 watches that followed

Watches SPC issued over any of the same counties within four hours of this discussion.

The nearest sounding before it

Midland Regional, TX (KMAF), launched 12:00Z, 8.1 hours before the alert went out and 153 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 12:00Z on 2019-05-05Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1144 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 12:00Z on 2019-05-05The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 74 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
1144 J/kg
Mixed-layer CIN
-166 J/kg
Mixed-layer LCL
744 m above ground
0-6 km bulk shear
38 kt
0-1 km storm-relative helicity
74 m²/s²
0-3 km storm-relative helicity
134 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.9

Open this sounding in Storm Lab

The text

As transmitted.

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SPC that day

Everything else SPC issued on the same UTC day.

IssuedProductOfficeCountiesLasted
May 4, 6:48 PM MDTMesoscale DiscussionSPCBailey, Castro, Cochran, Deaf Smith, Gaines, Hansford and 12 more87 min
May 5, 2:01 PM MDTMesoscale DiscussionSPCArmstrong, Bailey, Briscoe, Carson, Castro, Childress and 36 more119 min
May 5, 2:55 PM MDTSevere Thunderstorm WatchSPCArmstrong, Bailey, Briscoe, Carson, Castro, Childress and 38 more7 hr
May 5, 3:03 PM MDTSevere Thunderstorm WatchSPCAndrews, Borden, Brewster, Crane, Crockett, Dawson and 16 more7 hr
May 5, 5:14 PM MDTMesoscale DiscussionSPCAndrews, Armstrong, Borden, Briscoe, Carson, Castro and 40 more91 min

Nearby

Mesoscale Discussions in Texas, 2019Mesoscale Discussions in New Mexico, 2019Every mesoscale discussion in 2019

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.