Alert archive / Texas / Severe Thunderstorm Warnings in 2019

Severe Thunderstorm Warning 263, NWS San Angelo, TX

June 23, 2019Throckmorton County, Texas

NWS San Angelo, TX issued this severe thunderstorm warning at Jun 23, 2019, 6:28 PM CDT for Throckmorton County, Texas. It was in force for 47 min. No storm report in the archive falls inside the area while it was in force.

The area

The counties it named.

The facts

Issued: Jun 23, 2019, 6:28 PM CDT (23:28 UTC)
Expired: Jun 23, 2019, 7:15 PM CDT
In force: 47 min
Issued by: NWS San Angelo, TX
Area: Storm-based polygon
Hail: 1.5 in
Wind: 60.0 mph

County Throckmorton County, TX

The radar

The Dyess AFB radar (KDYX), 71 km from the middle of the area, began a volume at 23:28 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 watch it was issued in

The SPC watch in force over the same counties when this warning went out.

Issued	Product	Office	Lasted
Jun 23, 2:14 PM CDT	Severe Thunderstorm Watch	SPC	8 hr

The nearest sounding before it

Norman, OK (KOUN), launched 12:00Z, 11.5 hours before the alert went out and 282 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: 2987 J/kg
Mixed-layer CIN: -3 J/kg
Mixed-layer LCL: 591 m above ground
0-6 km bulk shear: 31 kt
0-1 km storm-relative helicity: 210 m²/s²
0-3 km storm-relative helicity: 252 m²/s²
Significant tornado parameter: 3.0
Supercell composite: 16.9

Open this sounding in Storm Lab

What forecasters said that day

The local office's own words before this severe thunderstorm warning went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.

NWS San Angelo, TX wrote its last area forecast discussion before this severe thunderstorm warning went out at Jun 23, 2:56 PM CDT, 3 hours 32 minutes earlier.

Area forecast discussion, Jun 23, 2:56 PM CDT, 3 hours 32 minutes before

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Hazardous weather outlook, Jun 23, 2:35 PM CDT, 3 hours 53 minutes before

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In the hours before

Local storm report, Jun 23, 5:23 PM CDT, 1 hour 5 minutes before

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Special weather statement, Jun 23, 5:23 PM CDT, 1 hour 5 minutes before

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Special weather statement, Jun 23, 5:24 PM CDT, 1 hour 4 minutes before

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Local storm report, Jun 23, 6:07 PM CDT, 21 minutes before

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Local storm report, Jun 23, 6:13 PM CDT, 15 minutes before

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Local storm report, Jun 23, 6:26 PM CDT, 2 minutes before

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The office that day

Everything else NWS San Angelo, TX issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
Jun 23, 2:53 PM CDT	Special Weather Statement	SJT	Throckmorton	37 min
Jun 23, 3:54 PM CDT	Special Weather Statement	SJT	Haskell	51 min
Jun 23, 4:22 PM CDT	Special Weather Statement	SJT	Fisher	38 min
Jun 23, 4:29 PM CDT	Severe Thunderstorm Warning	SJT	Fisher, Jones, Nolan, Taylor	31 min
Jun 23, 4:31 PM CDT	Special Weather Statement	SJT	Nolan	29 min
Jun 23, 4:52 PM CDT	Special Weather Statement	SJT	Throckmorton	38 min
Jun 23, 4:55 PM CDT	Severe Thunderstorm Warning	SJT	Fisher, Nolan, Taylor	35 min
Jun 23, 4:58 PM CDT	Severe Thunderstorm Warning	SJT	Fisher, Jones	47 min
Jun 23, 5:22 PM CDT	Special Weather Statement	SJT	Shackelford	38 min
Jun 23, 5:23 PM CDT	Special Weather Statement	SJT	Haskell	52 min
Jun 23, 5:24 PM CDT	Special Weather Statement	SJT	Coke	51 min
Jun 23, 5:29 PM CDT	Severe Thunderstorm Warning	SJT	Nolan, Taylor	46 min
Jun 23, 5:43 PM CDT	Severe Thunderstorm Warning	SJT	Haskell, Throckmorton	47 min
Jun 23, 5:43 PM CDT	Severe Thunderstorm Warning	SJT	Callahan, Jones, Shackelford, Taylor	47 min
Jun 23, 6:01 PM CDT	Areal Flood Advisory	SJT	Jones, Nolan, Taylor	3 hr
Jun 23, 6:10 PM CDT	Severe Thunderstorm Warning	SJT	Callahan, Shackelford	50 min
Jun 23, 6:14 PM CDT	Severe Thunderstorm Warning	SJT	Callahan, Taylor	46 min
Jun 23, 6:24 PM CDT	Areal Flood Advisory	SJT	Callahan, Jones, Shackelford	3 hr
Jun 23, 6:26 PM CDT	Severe Thunderstorm Warning	SJT	Haskell, Jones	38 min
Jun 23, 6:57 PM CDT	Severe Thunderstorm Warning	SJT	Callahan, Shackelford, Taylor	48 min
Jun 23, 6:59 PM CDT	Areal Flood Advisory	SJT	Throckmorton	2 hr

Nearby

Severe Thunderstorm Warnings in Texas, 2019 Every severe thunderstorm warning 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.