Alert archive / Texas / Mesoscale Discussions in 2020

Mesoscale Discussion 982

June 23, 20205 counties in New Mexico; 6 counties in Texas

The Storm Prediction Center issued this mesoscale discussion at Jun 23, 2020, 6:10 PM MDT for 5 counties in New Mexico; 6 counties in Texas. It was in force for 2 hr.

The area

The outline as issued.

The facts

Issued: Jun 23, 2020, 6:10 PM MDT (00:10 UTC)
Expired: Jun 23, 2020, 8:15 PM MDT
In force: 2 hr
Issued by: the Storm Prediction Center
Concerning: Severe thunderstorm watch 298

Counties Chaves County, NM, Eddy County, NM, Lea County, NM, Otero County, NM, Roosevelt County, NM, Culberson County, TX, Hudspeth County, TX, Loving County, TX, Reeves County, TX, Ward County, TX, Winkler County, TX

The radar

The Midland/Odessa radar (KMAF), 183 km from the middle of the area, began a volume at 00:12 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.

Severe Thunderstorm Watch 299Jun 23, 7:15 PM MDT

The nearest sounding before it

Midland Regional, TX (KMAF), launched 00:00Z, 0.2 hours before the alert went out and 181 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: 154 J/kg
Mixed-layer CIN: -137 J/kg
Mixed-layer LCL: 2313 m above ground
0-6 km bulk shear: 32 kt
0-1 km storm-relative helicity: -12 m²/s²
0-3 km storm-relative helicity: 79 m²/s²
Significant tornado parameter: 0.0
Supercell composite: -0.6

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
Jun 23, 7:19 PM MDT	Severe Thunderstorm Watch	SPC	Eddy, Lea	6 hr
Jun 23, 9:47 PM MDT	Mesoscale Discussion	SPC	Eddy, Lea	118 min
Jun 24, 2:56 PM MDT	Mesoscale Discussion	SPC	Colfax, Doña Ana, Guadalupe, Harding, Lincoln, Mora and 6 more	2 hr

Nearby

Mesoscale Discussions in Texas, 2020 Mesoscale Discussions in New Mexico, 2020 Every mesoscale discussion in 2020

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.