Alert archive / Texas / Mesoscale Discussions in 2019

Mesoscale Discussion 802

May 25, 2019Crockett County, Reagan County, Upton County, Texas

The Storm Prediction Center issued this mesoscale discussion at May 25, 2019, 8:29 PM CDT for Crockett County, Reagan County, Upton County, Texas. It was in force for 91 min.

The area

The outline as issued.

The facts

Issued: May 25, 2019, 8:29 PM CDT (01:29 UTC)
Expired: May 25, 2019, 10:00 PM CDT
In force: 91 min
Issued by: the Storm Prediction Center

Counties Crockett County, TX, Reagan County, TX, Upton County, TX

The radar

The Midland/Odessa radar (KMAF), 114 km from the middle of the area, began a volume at 01:30 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

Midland Regional, TX (KMAF), launched 00:00Z, 1.5 hours before the alert went out and 115 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-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

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: 930 J/kg
Mixed-layer CIN: -276 J/kg
Mixed-layer LCL: 1819 m above ground
0-6 km bulk shear: 41 kt
0-1 km storm-relative helicity: 84 m²/s²
0-3 km storm-relative helicity: 104 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.7

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.

Issued	Product	Office	Counties	Lasted
May 25, 8:55 PM CDT	Mesoscale Discussion	SPC	Collingsworth	95 min
May 26, 12:19 PM CDT	Mesoscale Discussion	SPC	Armstrong, Bailey, Carson, Castro, Dallam, Deaf Smith and 13 more	116 min
May 26, 1:30 PM CDT	Mesoscale Discussion	SPC	Andrews, Brewster, Cochran, Crane, Dawson, Ector and 13 more	2 hr
May 26, 2:32 PM CDT	Tornado Watch	SPC	Dallam, Deaf Smith, Hartley, Moore, Oldham, Sherman	7 hr
May 26, 3:41 PM CDT	Severe Thunderstorm Watch	SPC	Bailey, Castro, Cochran, Gaines, Hockley, Lamb and 3 more	6 hr
May 26, 3:43 PM CDT	Mesoscale Discussion	SPC	Dallam, Deaf Smith, Hansford, Hartley, Moore, Oldham and 2 more	92 min
May 26, 6:04 PM CDT	Mesoscale Discussion	SPC	Dallam, Hartley, Oldham, Sherman	86 min
May 26, 6:51 PM CDT	Mesoscale Discussion	SPC	Bailey, Castro, Cochran, Gaines, Hockley, Lamb and 3 more	114 min
May 26, 6:56 PM CDT	Mesoscale Discussion	SPC	Armstrong, Bailey, Carson, Castro, Dallam, Deaf Smith and 12 more	64 min

Nearby

Mesoscale Discussions in Texas, 2019 Every 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.