Alert archive / Texas / Mesoscale Discussions in 2019

Mesoscale Discussion 773

May 24, 2019Beckham County, Harmon County, Oklahoma; 27 counties in Texas

The Storm Prediction Center issued this mesoscale discussion at May 24, 2019, 3:51 PM CDT for Beckham County, Harmon County, Oklahoma; 27 counties in Texas. It was in force for 114 min.

The area

The outline as issued.

The facts

Issued
May 24, 2019, 3:51 PM CDT (20:51 UTC)
Expired
May 24, 2019, 5:45 PM CDT
In force
114 min
Issued by
the Storm Prediction Center
All 29 counties

Beckham County, OK, Harmon County, OK, Armstrong County, TX, Borden County, TX, Briscoe County, TX, Carson County, TX, Childress County, TX, Collingsworth County, TX, Cottle County, TX, Crosby 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, Kent County, TX, King County, TX, Lubbock County, TX, Lynn County, TX, Motley County, TX, Scurry County, TX, Swisher County, TX, Terry County, TX, Wheeler County, TX

The radar

The Lubbock radar (KLBB), 32 km from the middle of the area, began a volume at 20:56 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

Amarillo Airport, TX (KAMA), launched 12:00Z, 8.9 hours before the alert went out and 164 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, Amarillo Airport, TX at 12:00Z on 2019-05-24Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 14 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, Amarillo Airport, TX at 12:00Z on 2019-05-24The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 120 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
14 J/kg
Mixed-layer CIN
-457 J/kg
Mixed-layer LCL
955 m above ground
0-6 km bulk shear
68 kt
0-1 km storm-relative helicity
120 m²/s²
0-3 km storm-relative helicity
240 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.1

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 23, 8:32 PM CDTMesoscale DiscussionSPCEllis, Harper88 min
May 23, 9:53 PM CDTTornado WatchSPCEllis, Harper, Woods, Woodward4 hr
May 23, 11:08 PM CDTMesoscale DiscussionSPCBeckham, Custer, Dewey, Greer, Harmon, Roger Mills97 min
May 24, 2:02 AM CDTSevere Thunderstorm WatchSPCAlfalfa, Beckham, Blaine, Custer, Dewey, Ellis and 10 more4 hr
May 24, 1:42 PM CDTMesoscale DiscussionSPCAlfalfa, Garfield, Grant, Kay, Major, Woods and 1 more2 hr
May 24, 2:18 PM CDTTornado WatchSPCAlfalfa, Beckham, Blaine, Custer, Dewey, Ellis and 19 more8 hr
May 24, 4:43 PM CDTMesoscale DiscussionSPCCaddo, Canadian, Cleveland, Comanche, Cotton, Creek and 10 more32 min
May 24, 4:50 PM CDTTornado WatchSPCCaddo, Canadian, Cleveland, Comanche, Cotton, Garvin and 10 more5 hr
May 24, 6:49 PM CDTMesoscale DiscussionSPCComanche, Kiowa, Tillman56 min
May 23, 9:43 PM CDTSevere Thunderstorm WatchSPCBailey, Briscoe, Castro, Childress, Cochran, Cottle and 13 more5 hr
May 24, 1:10 PM CDTMesoscale DiscussionSPCBorden, Childress, Cottle, Crane, Crosby, Dawson and 25 more2 hr
May 24, 1:34 PM CDTTornado WatchSPCArmstrong, Borden, Briscoe, Carson, Childress, Collingsworth and 23 more7 hr
May 24, 3:22 PM CDTMesoscale DiscussionSPCAndrews, Brewster, Coke, Crane, Crockett, Ector and 15 more113 min

Nearby

Mesoscale Discussions in Texas, 2019Mesoscale Discussions in Oklahoma, 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.