Alert archive / Texas / Severe Thunderstorm Warnings in 2014

Severe Thunderstorm Warning 76, NWS San Angelo, TX

May 12, 2014Mason County, Texas

NWS San Angelo, TX issued this severe thunderstorm warning at May 12, 2014, 6:04 PM CDT for Mason County, Texas. It was in force for 26 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 12, 2014, 6:04 PM CDT (23:04 UTC)
Expired: May 12, 2014, 6:30 PM CDT
In force: 26 min
Issued by: NWS San Angelo, TX
Area: Storm-based polygon
Hail: 1.0 in
Wind: 50.0 mph

County Mason County, TX

The radar

The San Angelo radar (KSJT), 141 km from the middle of the area, began a volume at 23:05 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 12:00Z, 11.1 hours before the alert went out and 216 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: 3591 J/kg
Mixed-layer CIN: 0 J/kg
Mixed-layer LCL: 486 m above ground
0-6 km bulk shear: 13 kt
0-1 km storm-relative helicity: 89 m²/s²
0-3 km storm-relative helicity: 231 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

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 12, 3:54 PM CDT, 2 hours 10 minutes earlier.

Area forecast discussion, May 12, 3:54 PM CDT, 2 hours 10 minutes before

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Hazardous weather outlook, May 12, 3:28 PM CDT, 2 hours 36 minutes before

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In the hours before

Local storm report, May 12, 2:43 PM CDT, 3 hours 21 minutes before

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Local storm report, May 12, 3:01 PM CDT, 3 hours 3 minutes before

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Special weather statement, May 12, 3:20 PM CDT, 2 hours 44 minutes before

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Local storm report, May 12, 4:43 PM CDT, 1 hour 21 minutes before

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Local storm report, May 12, 5:09 PM CDT, 55 minutes before

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Local storm report, May 12, 5:10 PM CDT, 54 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 12, 12:09 PM CDT	Special Weather Statement	SJT	Brown	36 min
May 12, 12:38 PM CDT	Severe Thunderstorm Warning	SJT	Brown	52 min
May 12, 12:42 PM CDT	Special Weather Statement	SJT	Coleman	33 min
May 12, 1:17 PM CDT	Special Weather Statement	SJT	McCulloch	28 min
May 12, 1:26 PM CDT	Severe Thunderstorm Warning	SJT	Brown	49 min
May 12, 1:53 PM CDT	Areal Flood Advisory	SJT	Brown	112 min
May 12, 1:58 PM CDT	Special Weather Statement	SJT	McCulloch	32 min
May 12, 2:09 PM CDT	Severe Thunderstorm Warning	SJT	Brown, McCulloch, San Saba	51 min
May 12, 2:34 PM CDT	Severe Thunderstorm Warning	SJT	McCulloch	41 min
May 12, 3:09 PM CDT	Areal Flood Advisory	SJT	McCulloch	111 min
May 12, 3:20 PM CDT	Special Weather Statement	SJT	San Saba	40 min
May 12, 3:49 PM CDT	Severe Thunderstorm Warning	SJT	McCulloch, San Saba	56 min
May 12, 3:58 PM CDT	Severe Thunderstorm Warning	SJT	McCulloch, Mason	62 min
May 12, 4:24 PM CDT	Severe Thunderstorm Warning	SJT	Kimble, Menard	66 min
May 12, 4:32 PM CDT	Areal Flood Advisory	SJT	San Saba	118 min
May 12, 4:46 PM CDT	Severe Thunderstorm Warning	SJT	San Saba	59 min
May 12, 4:59 PM CDT	Severe Thunderstorm Warning	SJT	Mason, San Saba	61 min
May 12, 5:15 PM CDT	Areal Flood Advisory	SJT	Mason	2 hr
May 12, 5:30 PM CDT	Severe Thunderstorm Warning	SJT	Kimble	45 min
May 12, 6:27 PM CDT	Special Weather Statement	SJT	Kimble	48 min

Nearby

Severe Thunderstorm Warnings in Texas, 2014 Every severe thunderstorm warning in 2014

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.