Alert archive / Texas / Mesoscale Discussions in 2019

Mesoscale Discussion 582

May 7, 2019Lea County, Roosevelt County, New Mexico; 49 counties in Texas

The Storm Prediction Center issued this mesoscale discussion at May 7, 2019, 9:02 PM MDT for Lea County, Roosevelt County, New Mexico; 49 counties in Texas. It was in force for 58 min.

The area

The outline as issued.

The facts

Issued
May 7, 2019, 9:02 PM MDT (03:02 UTC)
Expired
May 7, 2019, 10:00 PM MDT
In force
58 min
Issued by
the Storm Prediction Center
All 51 counties

Lea County, NM, Roosevelt County, NM, Andrews County, TX, Bailey County, TX, Borden County, TX, Briscoe County, TX, Castro County, TX, Cochran County, TX, Coke County, TX, Cottle County, TX, Crane County, TX, Crockett County, TX, Crosby County, TX, Dawson County, TX, Dickens County, TX, Ector County, TX, Fisher County, TX, Floyd County, TX, Gaines County, TX, Garza County, TX, Glasscock County, TX, Hale County, TX, Hall County, TX, Hockley County, TX, Howard County, TX, Irion County, TX, Kent County, TX, King County, TX, Lamb County, TX, Loving County, TX, Lubbock County, TX, Lynn County, TX, Martin County, TX, Midland County, TX, Mitchell County, TX, Motley County, TX, Nolan County, TX, Parmer County, TX, Pecos County, TX, Reagan County, TX, Scurry County, TX, Sterling County, TX, Stonewall County, TX, Swisher County, TX, Terrell County, TX, Terry County, TX, Tom Green County, TX, Upton County, TX, Ward County, TX, Winkler County, TX, Yoakum County, TX

The radar

The Midland/Odessa radar (KMAF), 82 km from the middle of the area, began a volume at 03:03 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 00:00Z, 3.0 hours before the alert went out and 82 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 2019-05-08Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1360 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 2019-05-08The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 56 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
1360 J/kg
Mixed-layer CIN
-144 J/kg
Mixed-layer LCL
1200 m above ground
0-6 km bulk shear
46 kt
0-1 km storm-relative helicity
56 m²/s²
0-3 km storm-relative helicity
63 m²/s²
Significant tornado parameter
0.1
Supercell composite
3.3

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 8, 2:47 PM MDTMesoscale DiscussionSPCHarding, Quay, Union118 min
May 7, 7:25 PM MDTMesoscale DiscussionSPCArmstrong, Briscoe, Carson, Castro, Childress, Collingsworth and 21 more95 min
May 7, 8:13 PM MDTTornado WatchSPCArcher, Baylor, Clay, Foard, Hardeman, Knox and 2 more8 hr
May 7, 8:38 PM MDTMesoscale DiscussionSPCArmstrong, Briscoe, Carson, Castro, Collingsworth, Deaf Smith and 16 more67 min
May 7, 9:58 PM MDTSevere Thunderstorm WatchSPCBrown, Callahan, Coke, Coleman, Concho, Crockett and 18 more8 hr
May 7, 11:56 PM MDTMesoscale DiscussionSPCBosque, Collin, Comanche, Cooke, Coryell, Dallas and 20 more64 min
May 8, 5:29 AM MDTMesoscale DiscussionSPCAnderson, Bandera, Bastrop, Bell, Blanco, Bosque and 38 more61 min
May 8, 5:54 AM MDTSevere Thunderstorm WatchSPCBandera, Bell, Blanco, Bosque, Brown, Burnet and 28 more6 hr
May 8, 9:11 AM MDTMesoscale DiscussionSPCBandera, Bell, Blanco, Bosque, Brown, Burnet and 28 more2 hr
May 8, 11:21 AM MDTMesoscale DiscussionSPCAnderson, Angelina, Austin, Bastrop, Brazos, Burleson and 30 more84 min
May 8, 11:58 AM MDTSevere Thunderstorm WatchSPCAnderson, Bastrop, Brazos, Burleson, Caldwell, Fayette and 13 more5 hr
May 8, 1:07 PM MDTMesoscale DiscussionSPCAngelina, Brazoria, Chambers, Fort Bend, Hardin, Harris and 16 more53 min
May 8, 1:16 PM MDTTornado WatchSPCAngelina, Bowie, Brazos, Burleson, Cass, Cherokee and 21 more6 hr
May 8, 2:48 PM MDTMesoscale DiscussionSPCHardin, Jasper, Newton, Orange, Sabine, San Augustine and 2 more117 min
May 8, 4:55 PM MDTMesoscale DiscussionSPCJasper, Newton95 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.