Alert archive / Texas / Severe Thunderstorm Warnings in 2015

Severe Thunderstorm Warning 177, NWS San Angelo, TX

May 10, 2015Brown County, San Saba County, Texas

NWS San Angelo, TX issued this severe thunderstorm warning at May 10, 2015, 1:44 PM CDT for Brown County, San Saba County, Texas. It was in force for 31 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 10, 2015, 1:44 PM CDT (18:44 UTC)
Expired: May 10, 2015, 2:15 PM CDT
In force: 31 min
Issued by: NWS San Angelo, TX
Area: Storm-based polygon
Hail: 1.25 in
Wind: 60.0 mph

Counties Brown County, TX, San Saba County, TX

The radar

The Dyess AFB radar (KDYX), 124 km from the middle of the area, began a volume at 18:45 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
May 10, 10:19 AM CDT	Tornado Watch	SPC	13 hr

The nearest sounding before it

Fort Worth, TX (KFWD), launched 12:00Z, 6.7 hours before the alert went out and 215 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: 2108 J/kg
Mixed-layer CIN: -13 J/kg
Mixed-layer LCL: 628 m above ground
0-6 km bulk shear: 46 kt
0-1 km storm-relative helicity: 259 m²/s²
0-3 km storm-relative helicity: 279 m²/s²
Significant tornado parameter: 2.8
Supercell composite: 14.7

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 10, 12:42 PM CDT, 1 hour 2 minutes earlier.

Area forecast discussion, May 10, 12:42 PM CDT, 1 hour 2 minutes before

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Hazardous weather outlook, May 10, 5:17 AM CDT, 8 hours 27 minutes before

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In the hours before

Special weather statement, May 10, 11:38 AM CDT, 2 hours 6 minutes before

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Special weather statement, May 10, 11:40 AM CDT, 2 hours 4 minutes before

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Special weather statement, May 10, 12:13 PM CDT, 1 hour 31 minutes before

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Local storm report, May 10, 12:17 PM CDT, 1 hour 27 minutes before

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Special weather statement, May 10, 1:01 PM CDT, 43 minutes before

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Special weather statement, May 10, 1:30 PM CDT, 14 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 9, 8:42 PM CDT	Special Weather Statement	SJT	Callahan	33 min
May 9, 9:12 PM CDT	Special Weather Statement	SJT	Callahan	33 min
May 9, 10:24 PM CDT	Special Weather Statement	SJT	Coleman	36 min
May 9, 11:41 PM CDT	Special Weather Statement	SJT	Sterling	34 min
May 9, 11:49 PM CDT	Severe Thunderstorm Warning	SJT	Irion, Sterling, Tom Green	41 min
May 9, 11:58 PM CDT	Special Weather Statement	SJT	Upton	32 min
May 10, 12:13 AM CDT	Severe Thunderstorm Warning	SJT	Crockett	62 min
May 10, 12:21 AM CDT	Special Weather Statement	SJT	Coke	24 min
May 10, 12:31 AM CDT	Special Weather Statement	SJT	Irion, Sterling	29 min
May 10, 12:34 AM CDT	Special Weather Statement	SJT	Coleman	26 min
May 10, 12:40 AM CDT	Severe Thunderstorm Warning	SJT	Coke, Irion, Runnels, Sterling, Tom Green	65 min
May 10, 1:14 AM CDT	Special Weather Statement	SJT	Crockett	31 min
May 10, 1:45 AM CDT	Severe Thunderstorm Warning	SJT	Coke, Runnels, Taylor	60 min
May 10, 1:50 AM CDT	Severe Thunderstorm Warning	SJT	Crockett, Irion, Runnels, Schleicher, Tom Green	55 min
May 10, 2:03 AM CDT	Areal Flood Advisory	SJT	Crockett, Irion	3 hr
May 10, 2:07 AM CDT	Areal Flood Advisory	SJT	Tom Green	3 hr
May 10, 2:27 AM CDT	Severe Thunderstorm Warning	SJT	Concho, Menard, Runnels, Schleicher, Tom Green	48 min
May 10, 2:40 AM CDT	Special Weather Statement	SJT	Callahan	35 min
May 10, 2:45 AM CDT	Tornado Warning	SJT	Taylor	30 min
May 10, 2:53 AM CDT	Severe Thunderstorm Warning	SJT	Brown, Coleman, Concho, McCulloch	67 min
May 10, 3:07 AM CDT	Severe Thunderstorm Warning	SJT	Callahan, Shackelford	68 min
May 10, 3:08 AM CDT	Severe Thunderstorm Warning	SJT	Callahan, Shackelford	67 min
May 10, 3:20 AM CDT	Special Weather Statement	SJT	Taylor	25 min
May 10, 3:24 AM CDT	Special Weather Statement	SJT	Schleicher	36 min
May 10, 3:43 AM CDT	Special Weather Statement	SJT	Haskell	32 min
May 10, 3:47 AM CDT	Severe Thunderstorm Warning	SJT	Callahan, Jones, Shackelford, Taylor	46 min
May 10, 3:54 AM CDT	Severe Thunderstorm Warning	SJT	Brown, Coleman	38 min
May 10, 4:04 AM CDT	Special Weather Statement	SJT	Concho, Tom Green	41 min
May 10, 4:18 AM CDT	Special Weather Statement	SJT	Schleicher	42 min
May 10, 4:29 AM CDT	Areal Flood Advisory	SJT	Brown, Coleman, Runnels	2 hr
May 10, 4:53 AM CDT	Special Weather Statement	SJT	Schleicher	37 min
May 10, 5:15 AM CDT	Areal Flood Advisory	SJT	Callahan, Shackelford	90 min
May 10, 5:26 AM CDT	Severe Thunderstorm Warning	SJT	Concho, Menard, Schleicher	64 min
May 10, 5:33 AM CDT	Special Weather Statement	SJT	Brown	27 min
May 10, 5:44 AM CDT	Special Weather Statement	SJT	Coleman	46 min
May 10, 6:32 AM CDT	Special Weather Statement	SJT	Concho, McCulloch	43 min
May 10, 6:53 AM CDT	Special Weather Statement	SJT	Coleman	52 min
May 10, 7:21 AM CDT	Special Weather Statement	SJT	Concho	39 min
May 10, 7:30 AM CDT	Special Weather Statement	SJT	Brown	45 min
May 10, 8:06 AM CDT	Special Weather Statement	SJT	Coleman	24 min
May 10, 8:18 AM CDT	Special Weather Statement	SJT	Brown	27 min
May 10, 9:19 AM CDT	Areal Flood Advisory	SJT	Brown	116 min
May 10, 9:21 AM CDT	Special Weather Statement	SJT	Sutton	39 min
May 10, 9:28 AM CDT	Severe Thunderstorm Warning	SJT	Kimble, Sutton	47 min
May 10, 9:59 AM CDT	Severe Thunderstorm Warning	SJT	Kimble, Menard, Sutton	46 min
May 10, 10:24 AM CDT	Severe Thunderstorm Warning	SJT	Concho, McCulloch, Menard	51 min
May 10, 10:37 AM CDT	Severe Thunderstorm Warning	SJT	Kimble, Mason, Menard	38 min
May 10, 10:56 AM CDT	Severe Thunderstorm Warning	SJT	Brown, Coleman, McCulloch, San Saba	49 min
May 10, 11:38 AM CDT	Special Weather Statement	SJT	McCulloch	37 min
May 10, 11:40 AM CDT	Special Weather Statement	SJT	Sutton	35 min
May 10, 11:48 AM CDT	Severe Thunderstorm Warning	SJT	Brown	42 min
May 10, 12:13 PM CDT	Special Weather Statement	SJT	Kimble	32 min
May 10, 12:15 PM CDT	Severe Thunderstorm Warning	SJT	Kimble, Menard, Schleicher, Sutton	45 min
May 10, 12:27 PM CDT	Areal Flood Advisory	SJT	Brown	3 hr
May 10, 12:28 PM CDT	Severe Thunderstorm Warning	SJT	McCulloch	32 min
May 10, 12:51 PM CDT	Severe Thunderstorm Warning	SJT	Kimble, Menard	16 min
May 10, 1:01 PM CDT	Special Weather Statement	SJT	McCulloch	44 min
May 10, 1:30 PM CDT	Special Weather Statement	SJT	Brown	30 min
May 10, 2:13 PM CDT	Special Weather Statement	SJT	Brown	32 min
May 10, 2:26 PM CDT	Special Weather Statement	SJT	San Saba	34 min
May 10, 2:54 PM CDT	Special Weather Statement	SJT	Brown	36 min
May 10, 6:29 PM CDT	Special Weather Statement	SJT	San Saba	31 min

Nearby

Severe Thunderstorm Warnings in Texas, 2015 Every severe thunderstorm warning in 2015

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.