Alert archive / Texas / Severe Thunderstorm Warnings in 2017

Severe Thunderstorm Warning 157, NWS San Angelo, TX

May 28, 2017Crockett County, Sutton County, Texas

NWS San Angelo, TX issued this severe thunderstorm warning at May 28, 2017, 7:50 PM CDT for Crockett County, Sutton County, Texas. It was in force for 40 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: May 28, 2017, 7:50 PM CDT (00:50 UTC)
Expired: May 28, 2017, 8:30 PM CDT
In force: 40 min
Issued by: NWS San Angelo, TX
Area: Storm-based polygon
Hail: 1.75 in
Wind: 60.0 mph

Counties Crockett County, TX, Sutton County, TX

The radar

The San Angelo radar (KSJT), 96 km from the middle of the area, began a volume at 00:51 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

Del Rio, TX (KDLF), launched 00:00Z, 0.8 hours before the alert went out and 139 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: 1948 J/kg
Mixed-layer CIN: -120 J/kg
Mixed-layer LCL: 1390 m above ground
0-6 km bulk shear: 44 kt
0-1 km storm-relative helicity: 65 m²/s²
0-3 km storm-relative helicity: 100 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 2.1

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.

In the hours before

Special weather statement, May 28, 7:17 PM CDT, 33 minutes before

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Special weather statement, May 28, 7:38 PM CDT, 12 minutes before

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      <h1 id="headline">This service is currently unavailable.</h1>
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        The site you requested is temporarily down for maintenance or an unexpected outage.
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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
May 28, 7:17 PM CDT	Special Weather Statement	SJT	Sutton	28 min
May 28, 7:38 PM CDT	Special Weather Statement	SJT	Sutton	52 min
May 28, 7:53 PM CDT	Special Weather Statement	SJT	Menard	37 min
May 28, 8:06 PM CDT	Special Weather Statement	SJT	San Saba	39 min
May 28, 8:19 PM CDT	Special Weather Statement	SJT	Sutton	41 min
May 28, 9:16 PM CDT	Areal Flood Advisory	SJT	McCulloch, San Saba	3 hr
May 28, 9:20 PM CDT	Special Weather Statement	SJT	Concho	40 min
May 29, 12:37 AM CDT	Special Weather Statement	SJT	Menard	23 min
May 29, 4:33 PM CDT	Special Weather Statement	SJT	Kimble	27 min
May 29, 5:00 PM CDT	Special Weather Statement	SJT	Kimble	45 min

Nearby

Severe Thunderstorm Warnings in Texas, 2017 Every severe thunderstorm warning in 2017

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.