Alert archive / Texas / Mesoscale Discussions in 2019

Mesoscale Discussion 183

March 12, 2019Lea County, Roosevelt County, New Mexico; 35 counties in Texas

The Storm Prediction Center issued this mesoscale discussion at Mar 12, 2019, 6:25 PM MDT for Lea County, Roosevelt County, New Mexico; 35 counties in Texas. It was in force for 2 hr.

The area

The outline as issued.

The facts

Issued
Mar 12, 2019, 6:25 PM MDT (00:25 UTC)
Expired
Mar 12, 2019, 8:30 PM MDT
In force
2 hr
Issued by
the Storm Prediction Center
All 37 counties

Lea County, NM, Roosevelt County, NM, Andrews County, TX, Bailey County, TX, Borden County, TX, Briscoe County, TX, Castro County, TX, Childress County, TX, Cochran County, TX, Cottle County, TX, Crosby County, TX, Dawson County, TX, Dickens 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, Kent County, TX, King County, TX, Lamb County, TX, Lubbock County, TX, Lynn County, TX, Martin County, TX, Mitchell County, TX, Motley County, TX, Nolan County, TX, Parmer County, TX, Scurry County, TX, Stonewall County, TX, Swisher County, TX, Terry County, TX, Yoakum County, TX

The radar

The Lubbock radar (KLBB), 49 km from the middle of the area, began a volume at 00:27 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, 0.4 hours before the alert went out and 159 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 2019-03-13Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 593 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 2019-03-13The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 337 square meters per square second.1939587897117136Sfc1 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
593 J/kg
Mixed-layer CIN
-112 J/kg
Mixed-layer LCL
844 m above ground
0-6 km bulk shear
63 kt
0-1 km storm-relative helicity
337 m²/s²
0-3 km storm-relative helicity
461 m²/s²
Significant tornado parameter
0.8
Supercell composite
6.4

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
Mar 12, 7:28 PM MDTMesoscale DiscussionSPCAndrews, Ector, Gaines, Reeves, Terry, Ward and 2 more2 hr
Mar 12, 8:43 PM MDTSevere Thunderstorm WatchSPCBriscoe, Childress, Cottle, Crosby, Dickens, Floyd and 10 more5 hr
Mar 12, 9:01 PM MDTTornado WatchSPCBorden, Brown, Callahan, Coke, Coleman, Concho and 36 more7 hr
Mar 12, 9:19 PM MDTMesoscale DiscussionSPCBorden, Coke, Crane, Crockett, Dawson, Glasscock and 12 more116 min
Mar 12, 11:31 PM MDTMesoscale DiscussionSPCArcher, Baylor, Childress, Clay, Cottle, Foard and 8 more59 min
Mar 12, 11:42 PM MDTMesoscale DiscussionSPCCallahan, Coke, Coleman, Concho, Crockett, Edwards and 18 more93 min
Mar 12, 11:47 PM MDTSevere Thunderstorm WatchSPCArcher, Baylor, Clay, Foard, Hardeman, Knox and 2 more5 hr
Mar 13, 12:37 AM MDTMesoscale DiscussionSPCBell, Bosque, Brown, Burnet, Callahan, Coleman and 22 more83 min
Mar 13, 12:51 AM MDTSevere Thunderstorm WatchSPCBell, Bosque, Collin, Comanche, Cooke, Coryell and 36 more5 hr
Mar 13, 2:03 AM MDTMesoscale DiscussionSPCComanche, Erath, Hood, Jack, Palo Pinto, Parker57 min
Mar 13, 3:19 AM MDTMesoscale DiscussionSPCBell, Bosque, Burnet, Collin, Cooke, Coryell and 11 more86 min
Mar 13, 4:59 AM MDTMesoscale DiscussionSPCBowie, Camp, Cass, Franklin, Gregg, Harrison and 10 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.