Alert archive / Texas / Mesoscale Discussions in 2019

Mesoscale Discussion 938

June 1, 201918 counties in Texas

The Storm Prediction Center issued this mesoscale discussion at Jun 1, 2019, 6:53 PM CDT for 18 counties in Texas. It was in force for 67 min.

The area

The outline as issued.

The facts

Issued
Jun 1, 2019, 6:53 PM CDT (23:53 UTC)
Expired
Jun 1, 2019, 8:00 PM CDT
In force
67 min
Issued by
the Storm Prediction Center
Chance of a watch
80%

Counties Bailey County, TX, Borden County, TX, Castro County, TX, Cochran County, TX, Crosby County, TX, Dawson County, TX, Floyd County, TX, Gaines County, TX, Garza County, TX, Hale County, TX, Hockley County, TX, Lamb County, TX, Lubbock County, TX, Lynn County, TX, Parmer County, TX, Swisher County, TX, Terry County, TX, Yoakum County, TX

The radar

The Lubbock radar (KLBB), 20 km from the middle of the area, began a volume at 23:55 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

Amarillo Airport, TX (KAMA), launched 12:00Z, 11.9 hours before the alert went out and 157 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 2019-06-01Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1470 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 2019-06-01The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 28 square meters per square second.1939587897Sfc1 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
1470 J/kg
Mixed-layer CIN
-116 J/kg
Mixed-layer LCL
1268 m above ground
0-6 km bulk shear
23 kt
0-1 km storm-relative helicity
28 m²/s²
0-3 km storm-relative helicity
54 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.4

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
May 31, 8:53 PM CDTMesoscale DiscussionSPCBrewster, Culberson, Hudspeth, Jeff Davis, Loving, Pecos and 5 more97 min
Jun 1, 1:32 PM CDTMesoscale DiscussionSPCArmstrong, Carson, Childress, Collingsworth, Dallam, Donley and 12 more118 min
Jun 1, 1:53 PM CDTMesoscale DiscussionSPCArcher, Baylor, Clay, Foard, Hardeman, Jack and 5 more97 min
Jun 1, 1:53 PM CDTSevere Thunderstorm WatchSPCArmstrong, Carson, Collingsworth, Dallam, Deaf Smith, Donley and 14 more9 hr
Jun 1, 4:36 PM CDTMesoscale DiscussionSPCAndrews, Brewster, Crane, Culberson, Ector, Gaines and 7 more24 min
Jun 1, 4:50 PM CDTSevere Thunderstorm WatchSPCBrewster, Culberson, Jeff Davis, Loving, Pecos, Presidio and 4 more8 hr
Jun 1, 5:52 PM CDTMesoscale DiscussionSPCCollin, Dallas, Denton, Ellis, Johnson, Parker and 2 more53 min

Nearby

Mesoscale Discussions in Texas, 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.