Alert archive / Texas / Mesoscale Discussions in 2023

Mesoscale Discussion 2152

September 15, 2023Curry County, Quay County, New Mexico; 10 counties in Texas

The Storm Prediction Center issued this mesoscale discussion at Sep 15, 2023, 7:21 PM MDT for Curry County, Quay County, New Mexico; 10 counties in Texas. It was in force for 114 min.

The area

The outline as issued.

The facts

Issued: Sep 15, 2023, 7:21 PM MDT (01:21 UTC)
Expired: Sep 15, 2023, 9:15 PM MDT
In force: 114 min
Issued by: the Storm Prediction Center
Concerning: Severe thunderstorm watch 684

Counties Curry County, NM, Quay County, NM, Bailey County, TX, Briscoe County, TX, Castro County, TX, Deaf Smith County, TX, Floyd County, TX, Hale County, TX, Lamb County, TX, Parmer County, TX, Randall County, TX, Swisher County, TX

The radar

The Cannon AFB radar (KFDX), 54 km from the middle of the area, began a volume at 01:20 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, 1.4 hours before the alert went out and 323 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: 1339 J/kg
Mixed-layer CIN: -30 J/kg
Mixed-layer LCL: 1473 m above ground
0-6 km bulk shear: 41 kt
0-1 km storm-relative helicity: -6 m²/s²
0-3 km storm-relative helicity: 120 m²/s²
Significant tornado parameter: 0.3
Supercell composite: 3.1

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.

Issued	Product	Office	Counties	Lasted
Sep 15, 9:56 PM MDT	Mesoscale Discussion	SPC	Lea, Roosevelt	2 hr
Sep 16, 12:16 AM MDT	Mesoscale Discussion	SPC	Lea, Roosevelt	89 min
Sep 16, 4:38 AM MDT	Mesoscale Discussion	SPC	Coke, Concho, Fisher, Glasscock, Irion, Mitchell and 5 more	67 min
Sep 16, 4:41 AM MDT	Severe Thunderstorm Watch	SPC	Brown, Callahan, Coke, Coleman, Concho, Irion and 11 more	5 hr
Sep 16, 6:48 AM MDT	Mesoscale Discussion	SPC	Brown, Coleman, Concho, Kimble, McCulloch, Mason and 5 more	87 min
Sep 16, 7:51 AM MDT	Mesoscale Discussion	SPC	Brown, Burnet, Concho, Gillespie, Lampasas, Llano and 5 more	84 min

Nearby

Mesoscale Discussions in Texas, 2023 Mesoscale Discussions in New Mexico, 2023 Every mesoscale discussion in 2023

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.