Alert archive / Texas / Mesoscale Discussions in 2022

Mesoscale Discussion 552

April 24, 202210 counties in Texas

The Storm Prediction Center issued this mesoscale discussion at Apr 24, 2022, 1:31 AM CDT for 10 counties in Texas. It was in force for 2 hr.

The area

The outline as issued.

The facts

Issued: Apr 24, 2022, 1:31 AM CDT (06:31 UTC)
Expired: Apr 24, 2022, 4:00 AM CDT
In force: 2 hr
Issued by: the Storm Prediction Center
Concerning: Severe potential...watch unlikely
Chance of a watch: 5%

Counties Borden County, TX, Fisher County, TX, Haskell County, TX, Howard County, TX, Jones County, TX, Martin County, TX, Mitchell County, TX, Nolan County, TX, Scurry County, TX, Stonewall County, TX

The radar

The Dyess AFB radar (KDYX), 119 km from the middle of the area, began a volume at 06:31 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, 6.5 hours before the alert went out and 183 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: 0 J/kg
Mixed-layer CIN: No buoyant parcel
Mixed-layer LCL: 4462 m above ground
0-6 km bulk shear: 37 kt
0-1 km storm-relative helicity: 52 m²/s²
0-3 km storm-relative helicity: 35 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 24, 9:49 AM CDT	Mesoscale Discussion	SPC	Archer, Baylor, Clay, Cooke, Denton, Fannin and 7 more	116 min
Apr 24, 10:15 AM CDT	Severe Thunderstorm Watch	SPC	Clay, Collin, Cooke, Delta, Denton, Fannin and 9 more	8 hr
Apr 24, 2:48 PM CDT	Mesoscale Discussion	SPC	Crockett, Irion, Reagan, Schleicher, Terrell	2 hr
Apr 24, 3:42 PM CDT	Mesoscale Discussion	SPC	Collin, Cooke, Delta, Denton, Fannin, Grayson and 4 more	2 hr
Apr 24, 5:51 PM CDT	Severe Thunderstorm Watch	SPC	Crockett, Edwards, Irion, Kerr, Kimble, Menard and 5 more	9 hr

Nearby

Mesoscale Discussions in Texas, 2022 Every mesoscale discussion in 2022

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.