Alert archive / Texas / Mesoscale Discussions in 2019

Mesoscale Discussion 182

March 12, 20196 counties in Texas

The Storm Prediction Center issued this mesoscale discussion at Mar 12, 2019, 6:17 PM CDT for 6 counties in Texas. It was in force for 118 min.

The area

The outline as issued.

The facts

Issued: Mar 12, 2019, 6:17 PM CDT (23:17 UTC)
Expired: Mar 12, 2019, 8:15 PM CDT
In force: 118 min
Issued by: the Storm Prediction Center

Counties Culberson County, TX, Jeff Davis County, TX, Loving County, TX, Presidio County, TX, Reeves County, TX, Ward County, TX

The radar

The Midland/Odessa radar (KMAF), 208 km from the middle of the area, began a volume at 23:18 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, 11.3 hours before the alert went out and 207 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: 265 J/kg
Mixed-layer CIN: -128 J/kg
Mixed-layer LCL: 486 m above ground
0-6 km bulk shear: 72 kt
0-1 km storm-relative helicity: 308 m²/s²
0-3 km storm-relative helicity: 232 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 1.0

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
Mar 12, 3:10 PM CDT	Mesoscale Discussion	SPC	Andrews, Brewster, Crane, Culberson, Ector, Gaines and 10 more	2 hr
Mar 12, 4:36 PM CDT	Tornado Watch	SPC	Andrews, Bailey, Brewster, Cochran, Crane, Culberson and 17 more	6 hr
Mar 12, 5:17 PM CDT	Mesoscale Discussion	SPC	Culberson	118 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.