Alert archive / Texas / Severe Thunderstorm Warnings in 2013

Severe Thunderstorm Warning 80, NWS San Angelo, TX

May 9, 20134 counties in Texas

NWS San Angelo, TX issued this severe thunderstorm warning at May 9, 2013, 6:39 AM CDT for 4 counties in Texas. It was in force for 51 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 9, 2013, 6:39 AM CDT (11:39 UTC)
Expired: May 9, 2013, 7:30 AM CDT
In force: 51 min
Issued by: NWS San Angelo, TX
Area: Storm-based polygon

Counties Coleman County, TX, Concho County, TX, McCulloch County, TX, Runnels County, TX

The radar

The San Angelo radar (KSJT), 81 km from the middle of the area, began a volume at 11:41 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

Fort Worth, TX (KFWD), launched 00:00Z, 11.7 hours before the alert went out and 266 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: 596 J/kg
Mixed-layer CIN: -149 J/kg
Mixed-layer LCL: 1763 m above ground
0-6 km bulk shear: 38 kt
0-1 km storm-relative helicity: 74 m²/s²
0-3 km storm-relative helicity: 127 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 3.0

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 May 9, 6:21 AM CDT, 18 minutes earlier.

Area forecast discussion, May 9, 6:21 AM CDT, 18 minutes before

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Hazardous weather outlook, May 9, 4:38 AM CDT, 2 hours 1 minute before

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In the hours before

Special weather statement, May 9, 6:31 AM CDT, 8 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
May 8, 7:06 PM CDT	Severe Thunderstorm Warning	SJT	Jones	54 min
May 8, 7:52 PM CDT	Severe Thunderstorm Warning	SJT	Jones, Shackelford	53 min
May 9, 6:31 AM CDT	Special Weather Statement	SJT	Concho	44 min
May 9, 7:21 AM CDT	Special Weather Statement	SJT	Coleman, Concho	54 min
May 9, 8:19 AM CDT	Special Weather Statement	SJT	Brown	56 min
May 9, 8:35 AM CDT	Special Weather Statement	SJT	Tom Green	40 min
May 9, 8:56 AM CDT	Severe Thunderstorm Warning	SJT	Brown	49 min
May 9, 9:06 AM CDT	Special Weather Statement	SJT	Tom Green	24 min
May 9, 9:19 AM CDT	Areal Flood Advisory	SJT	Tom Green	116 min
May 9, 9:33 AM CDT	Special Weather Statement	SJT	Coleman, Concho, Runnels, Tom Green	27 min
May 9, 10:11 AM CDT	Special Weather Statement	SJT	Coleman, Runnels	34 min
May 9, 10:44 AM CDT	Special Weather Statement	SJT	Coleman	31 min
May 9, 10:56 AM CDT	Areal Flood Advisory	SJT	Brown, Coleman, Concho	2 hr
May 9, 11:16 AM CDT	Special Weather Statement	SJT	Brown	29 min
May 9, 11:19 AM CDT	Special Weather Statement	SJT	Brown	26 min
May 9, 1:11 PM CDT	Special Weather Statement	SJT	Fisher	34 min
May 9, 1:14 PM CDT	Special Weather Statement	SJT	Taylor	31 min
May 9, 1:38 PM CDT	Severe Thunderstorm Warning	SJT	Fisher, Nolan	52 min
May 9, 1:53 PM CDT	Severe Thunderstorm Warning	SJT	Fisher, Jones	52 min
May 9, 2:18 PM CDT	Severe Thunderstorm Warning	SJT	Fisher, Nolan	42 min
May 9, 2:41 PM CDT	Special Weather Statement	SJT	Jones	34 min
May 9, 2:54 PM CDT	Severe Thunderstorm Warning	SJT	Fisher, Nolan, Taylor	51 min
May 9, 3:10 PM CDT	Severe Thunderstorm Warning	SJT	Nolan, Taylor	50 min
May 9, 3:28 PM CDT	Tornado Warning	SJT	Nolan, Taylor	32 min
May 9, 3:31 PM CDT	Severe Thunderstorm Warning	SJT	Coke, Runnels	29 min
May 9, 3:54 PM CDT	Tornado Warning	SJT	Runnels, Taylor	36 min
May 9, 3:56 PM CDT	Severe Thunderstorm Warning	SJT	Coke, Runnels	49 min
May 9, 4:30 PM CDT	Severe Thunderstorm Warning	SJT	Runnels	45 min
May 9, 4:54 PM CDT	Special Weather Statement	SJT	Concho	66 min
May 9, 4:59 PM CDT	Severe Thunderstorm Warning	SJT	Coleman, Concho, Runnels	46 min
May 9, 5:33 PM CDT	Severe Thunderstorm Warning	SJT	Concho, Menard, Tom Green	57 min
May 9, 5:39 PM CDT	Severe Thunderstorm Warning	SJT	Coleman	51 min
May 9, 5:58 PM CDT	Special Weather Statement	SJT	Crockett	62 min
May 9, 6:19 PM CDT	Special Weather Statement	SJT	Brown	26 min
May 9, 6:24 PM CDT	Severe Thunderstorm Warning	SJT	McCulloch, Menard	66 min
May 9, 6:39 PM CDT	Special Weather Statement	SJT	Sutton	66 min
May 9, 6:44 PM CDT	Special Weather Statement	SJT	Concho	61 min
May 9, 6:49 PM CDT	Severe Thunderstorm Warning	SJT	Sutton	56 min
May 9, 6:54 PM CDT	Severe Thunderstorm Warning	SJT	Concho, Menard, Schleicher	66 min

Nearby

Severe Thunderstorm Warnings in Texas, 2013 Every severe thunderstorm warning in 2013

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.