Alert archive / Texas / Mesoscale Discussions in 2022

Mesoscale Discussion 615

May 1, 20225 states

The Storm Prediction Center issued this mesoscale discussion at May 1, 2022, 5:10 PM MDT for 5 states. It was in force for 95 min.

The area

The outline as issued.

The facts

Issued: May 1, 2022, 5:10 PM MDT (23:10 UTC)
Expired: May 1, 2022, 6:45 PM MDT
In force: 95 min
Issued by: the Storm Prediction Center
Concerning: Severe thunderstorm watch 167

All 41 counties

Baca County, CO, Morton County, KS, Stevens County, KS, Union County, NM, Cimarron County, OK, Texas County, OK, Armstrong County, TX, Bailey County, TX, Briscoe County, TX, Carson County, TX, Castro County, TX, Cochran County, TX, Crosby County, TX, Dallam County, TX, Deaf Smith County, TX, Dickens County, TX, Donley County, TX, Floyd County, TX, Garza County, TX, Gray County, TX, Hale County, TX, Hall County, TX, Hansford County, TX, Hartley County, TX, Hockley County, TX, Hutchinson County, TX, Kent County, TX, Lamb County, TX, Lubbock County, TX, Lynn County, TX, Moore County, TX, Motley County, TX, Oldham County, TX, Parmer County, TX, Potter County, TX, Randall County, TX, Roberts County, TX, Sherman County, TX, Stonewall County, TX, Swisher County, TX, Terry County, TX

The radar

The Amarillo radar (KAMA), 66 km from the middle of the area, began a volume at 23:13 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

Amarillo Airport, TX (KAMA), launched 12:00Z, 11.2 hours before the alert went out and 66 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: 2905 m above ground
0-6 km bulk shear: 41 kt
0-1 km storm-relative helicity: 212 m²/s²
0-3 km storm-relative helicity: 341 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
May 1, 2:51 PM MDT	Severe Thunderstorm Watch	SPC	Baca, Bent, Kiowa, Otero, Prowers	7 hr
May 1, 12:04 PM MDT	Mesoscale Discussion	SPC	Eddy, Lea	2 hr
May 1, 1:51 PM MDT	Tornado Watch	SPC	Lea	7 hr
May 1, 2:18 PM MDT	Mesoscale Discussion	SPC	Curry, Harding, Quay, Roosevelt	117 min
Apr 30, 7:24 PM MDT	Mesoscale Discussion	SPC	Houston, Leon, Madison, Montgomery, San Jacinto, Trinity and 1 more	96 min
May 1, 2:38 PM MDT	Mesoscale Discussion	SPC	Austin, Brazos, Burleson, Grimes, Hardin, Jasper and 8 more	2 hr
May 1, 4:47 PM MDT	Mesoscale Discussion	SPC	Andrews, Borden, Brewster, Crane, Crockett, Dawson and 14 more	88 min

Nearby

Mesoscale Discussions in Texas, 2022 Mesoscale Discussions in Kansas, 2022 Mesoscale Discussions in Oklahoma, 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.