Alert archive / Texas / Severe Thunderstorm Warnings in 2019

Severe Thunderstorm Warning 49, NWS San Angelo, TX

April 23, 2019Sterling County, Texas

NWS San Angelo, TX issued this severe thunderstorm warning at Apr 23, 2019, 5:26 PM CDT for Sterling County, Texas. It was in force for 34 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: Apr 23, 2019, 5:26 PM CDT (22:26 UTC)
Expired: Apr 23, 2019, 6:00 PM CDT
In force: 34 min
Issued by: NWS San Angelo, TX
Area: Storm-based polygon
Hail: 1.75 in
Wind: 60.0 mph

County Sterling County, TX

The radar

The San Angelo radar (KSJT), 73 km from the middle of the area, began a volume at 22:26 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
Apr 23, 2:32 PM CDT	Severe Thunderstorm Watch	SPC	8 hr

The nearest sounding before it

Midland Regional, TX (KMAF), launched 12:00Z, 10.4 hours before the alert went out and 109 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: 966 J/kg
Mixed-layer CIN: -13 J/kg
Mixed-layer LCL: 628 m above ground
0-6 km bulk shear: 64 kt
0-1 km storm-relative helicity: 55 m²/s²
0-3 km storm-relative helicity: 180 m²/s²
Significant tornado parameter: 0.5
Supercell composite: 2.9

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 Apr 23, 2:55 PM CDT, 2 hours 31 minutes earlier.

Area forecast discussion, Apr 23, 2:55 PM CDT, 2 hours 31 minutes before

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Hazardous weather outlook, Apr 23, 3:01 PM CDT, 2 hours 25 minutes before

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In the hours before

Special weather statement, Apr 23, 11:26 AM CDT, 6 hours before

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Local storm report, Apr 23, 12:04 PM CDT, 5 hours 22 minutes before

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Special weather statement, Apr 23, 12:44 PM CDT, 4 hours 42 minutes before

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Special weather statement, Apr 23, 2:14 PM CDT, 3 hours 12 minutes before

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Local storm report, Apr 23, 4:34 PM CDT, 52 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
Apr 22, 7:08 PM CDT	Special Weather Statement	SJT	Fisher	22 min
Apr 23, 11:19 AM CDT	Severe Thunderstorm Warning	SJT	Fisher, Nolan, Taylor	41 min
Apr 23, 11:26 AM CDT	Special Weather Statement	SJT	Haskell	49 min
Apr 23, 12:00 PM CDT	Severe Thunderstorm Warning	SJT	Fisher, Jones, Nolan, Taylor	45 min
Apr 23, 12:44 PM CDT	Special Weather Statement	SJT	Jones	46 min
Apr 23, 1:24 PM CDT	Severe Thunderstorm Warning	SJT	Jones, Shackelford	51 min
Apr 23, 2:14 PM CDT	Special Weather Statement	SJT	Shackelford	16 min
Apr 23, 3:14 PM CDT	Flash Flood Watch	SJT	Brown, Callahan, Coke, Coleman, Concho, Crockett and 14 more	23 hr
Apr 23, 3:43 PM CDT	Severe Thunderstorm Warning	SJT	Nolan	51 min
Apr 23, 4:03 PM CDT	Severe Thunderstorm Warning	SJT	Nolan, Taylor	42 min
Apr 23, 4:18 PM CDT	Severe Thunderstorm Warning	SJT	Jones, Shackelford	42 min
Apr 23, 4:42 PM CDT	Severe Thunderstorm Warning	SJT	Jones, Nolan, Taylor	53 min
Apr 23, 4:54 PM CDT	Severe Thunderstorm Warning	SJT	Shackelford, Throckmorton	66 min
Apr 23, 5:05 PM CDT	Areal Flood Advisory	SJT	Taylor	115 min
Apr 23, 5:28 PM CDT	Severe Thunderstorm Warning	SJT	Callahan, Shackelford, Taylor	62 min
Apr 23, 5:32 PM CDT	Special Weather Statement	SJT	Shackelford	43 min
Apr 23, 5:56 PM CDT	Areal Flood Advisory	SJT	Callahan	2 hr
Apr 23, 6:07 PM CDT	Severe Thunderstorm Warning	SJT	Callahan	26 min
Apr 23, 6:15 PM CDT	Special Weather Statement	SJT	Nolan	30 min
Apr 23, 6:29 PM CDT	Severe Thunderstorm Warning	SJT	Fisher, Jones, Nolan, Taylor	26 min
Apr 23, 6:30 PM CDT	Severe Thunderstorm Warning	SJT	Coke, Nolan	45 min
Apr 23, 6:53 PM CDT	Special Weather Statement	SJT	Jones	52 min
Apr 23, 6:59 PM CDT	Areal Flood Advisory	SJT	Taylor	3 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.