Alert archive / Texas / Severe Thunderstorm Warnings in 2019

Severe Thunderstorm Warning 55, NWS San Angelo, TX

April 23, 20194 counties in Texas

NWS San Angelo, TX issued this severe thunderstorm warning at Apr 23, 2019, 7:58 PM CDT for 4 counties in 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: Apr 23, 2019, 7:58 PM CDT (00:58 UTC)
Expired: Apr 23, 2019, 8:45 PM CDT
In force: 47 min
Issued by: NWS San Angelo, TX
Area: Storm-based polygon
Hail: 1.0 in
Wind: 60.0 mph

Counties Callahan County, TX, Coleman County, TX, Runnels County, TX, Taylor County, TX

The radar

The Dyess AFB radar (KDYX), 67 km from the middle of the area, began a volume at 00:59 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 00:00Z, 1.0 hours before the alert went out and 239 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: 570 J/kg
Mixed-layer CIN: -44 J/kg
Mixed-layer LCL: 1113 m above ground
0-6 km bulk shear: 60 kt
0-1 km storm-relative helicity: 13 m²/s²
0-3 km storm-relative helicity: 106 m²/s²
Significant tornado parameter: 0.2
Supercell composite: 1.5

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, 6:11 PM CDT, 1 hour 47 minutes earlier.

Area forecast discussion, Apr 23, 6:11 PM CDT, 1 hour 47 minutes before

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Hazardous weather outlook, Apr 23, 3:01 PM CDT, 4 hours 57 minutes before

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In the hours before

Local storm report, Apr 23, 5:46 PM CDT, 2 hours 12 minutes before

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Local storm report, Apr 23, 5:59 PM CDT, 1 hour 59 minutes before

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Special weather statement, Apr 23, 6:15 PM CDT, 1 hour 43 minutes before

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Local storm report, Apr 23, 6:20 PM CDT, 1 hour 38 minutes before

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Local storm report, Apr 23, 6:46 PM CDT, 1 hour 12 minutes before

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Special weather statement, Apr 23, 6:53 PM CDT, 1 hour 5 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 23, 7:13 PM CDT	Severe Thunderstorm Warning	SJT	Coke, Nolan, Runnels, Taylor	47 min
Apr 23, 7:22 PM CDT	Special Weather Statement	SJT	Shackelford	38 min
Apr 23, 8:45 PM CDT	Severe Thunderstorm Warning	SJT	Brown, Callahan, Coleman	45 min
Apr 23, 8:57 PM CDT	Severe Thunderstorm Warning	SJT	Sterling	63 min
Apr 23, 9:51 PM CDT	Severe Thunderstorm Warning	SJT	Coke, Nolan, Sterling	39 min
Apr 23, 10:37 PM CDT	Special Weather Statement	SJT	Nolan	23 min
Apr 23, 11:00 PM CDT	Special Weather Statement	SJT	Runnels	30 min
Apr 23, 11:41 PM CDT	Special Weather Statement	SJT	Coke	64 min
Apr 23, 11:51 PM CDT	Special Weather Statement	SJT	Coleman	54 min
Apr 24, 12:03 AM CDT	Severe Thunderstorm Warning	SJT	Brown, Coleman	42 min
Apr 24, 12:17 AM CDT	Flash Flood Warning	SJT	Brown, Coleman	3 hr
Apr 24, 12:25 AM CDT	Severe Thunderstorm Warning	SJT	Crockett, Irion	50 min
Apr 24, 12:39 AM CDT	Severe Thunderstorm Warning	SJT	Brown, Coleman	51 min
Apr 24, 12:43 AM CDT	Areal Flood Advisory	SJT	Tom Green	2 hr
Apr 24, 2:36 AM CDT	Special Weather Statement	SJT	Crockett	39 min
Apr 24, 5:08 AM CDT	Special Weather Statement	SJT	Crockett	52 min
Apr 24, 6:23 AM CDT	Special Weather Statement	SJT	Crockett	37 min
Apr 24, 7:16 AM CDT	Special Weather Statement	SJT	Irion	44 min
Apr 24, 8:12 AM CDT	Severe Thunderstorm Warning	SJT	Concho, Irion, Runnels, Schleicher, Tom Green	33 min
Apr 24, 8:39 AM CDT	River Flood Warning	SJT	Runnels	24 hr
Apr 24, 8:53 AM CDT	Special Weather Statement	SJT	Runnels	37 min
Apr 24, 10:01 AM CDT	Special Weather Statement	SJT	Schleicher	44 min
Apr 24, 10:19 AM CDT	Areal Flood Advisory	SJT	Irion, Schleicher, Tom Green	116 min
Apr 24, 10:40 AM CDT	Special Weather Statement	SJT	Schleicher	50 min
Apr 24, 12:22 PM CDT	Special Weather Statement	SJT	Mason	38 min
Apr 24, 12:33 PM CDT	Areal Flood Advisory	SJT	Kimble, McCulloch, Mason, Menard	117 min

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.