Alert archive / Texas / Mesoscale Discussions in 2024

Mesoscale Discussion 593

May 1, 20249 counties in Texas

The Storm Prediction Center issued this mesoscale discussion at May 1, 2024, 6:58 PM CDT for 9 counties in Texas. It was in force for 62 min.

The area

The outline as issued.

The facts

Issued: May 1, 2024, 6:58 PM CDT (23:58 UTC)
Expired: May 1, 2024, 8:00 PM CDT
In force: 62 min
Issued by: the Storm Prediction Center
Concerning: Severe thunderstorm watch 170

Counties Borden County, TX, Dawson County, TX, Glasscock County, TX, Howard County, TX, Martin County, TX, Midland County, TX, Reagan County, TX, Terrell County, TX, Upton County, TX

The radar

The Midland/Odessa radar (KMAF), 102 km from the middle of the area, began a volume at 00:01 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 12:00Z, 12.0 hours before the alert went out and 103 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: 2290 J/kg
Mixed-layer CIN: -131 J/kg
Mixed-layer LCL: 1169 m above ground
0-6 km bulk shear: 14 kt
0-1 km storm-relative helicity: 114 m²/s²
0-3 km storm-relative helicity: 110 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

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
Apr 30, 10:27 PM CDT	Tornado Watch	SPC	Clay, Wichita	93 min
Apr 30, 11:56 PM CDT	Severe Thunderstorm Watch	SPC	Archer, Clay, Wichita	5 hr
May 1, 1:10 PM CDT	Mesoscale Discussion	SPC	Andrews, Borden, Brewster, Coke, Crane, Crockett and 15 more	65 min
May 1, 1:27 PM CDT	Severe Thunderstorm Watch	SPC	Andrews, Borden, Brewster, Coke, Crane, Crockett and 20 more	8 hr
May 1, 2:57 PM CDT	Mesoscale Discussion	SPC	Armstrong, Briscoe, Carson, Childress, Collingsworth, Cottle and 19 more	2 hr
May 1, 3:24 PM CDT	Tornado Watch	SPC	Armstrong, Briscoe, Carson, Childress, Collingsworth, Cottle and 25 more	8 hr
May 1, 3:33 PM CDT	Mesoscale Discussion	SPC	Atascosa, Bandera, Bastrop, Bell, Bexar, Blanco and 29 more	87 min
May 1, 3:57 PM CDT	Mesoscale Discussion	SPC	Borden, Brewster, Crane, Crockett, Dawson, Ector and 11 more	93 min
May 1, 6:07 PM CDT	Mesoscale Discussion	SPC	Armstrong, Briscoe, Carson, Childress, Collingsworth, Cottle and 14 more	83 min

Nearby

Mesoscale Discussions in Texas, 2024 Every mesoscale discussion in 2024

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.