Alert archive / Texas / Severe Thunderstorm Warnings in 2015

Severe Thunderstorm Warning 271, NWS San Angelo, TX

May 27, 2015Kimble County, Mason County, Menard County, Texas

NWS San Angelo, TX issued this severe thunderstorm warning at May 27, 2015, 5:24 PM CDT for Kimble County, Mason County, Menard County, 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 27, 2015, 5:24 PM CDT (22:24 UTC)
Expired: May 27, 2015, 6:15 PM CDT
In force: 51 min
Issued by: NWS San Angelo, TX
Area: Storm-based polygon
Hail: 1.75 in
Wind: 60.0 mph

Counties Kimble County, TX, Mason County, TX, Menard County, TX

The radar

The San Angelo radar (KSJT), 113 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 nearest sounding before it

Del Rio, TX (KDLF), launched 12:00Z, 10.4 hours before the alert went out and 190 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: 3197 J/kg
Mixed-layer CIN: -24 J/kg
Mixed-layer LCL: 633 m above ground
0-6 km bulk shear: 31 kt
0-1 km storm-relative helicity: 54 m²/s²
0-3 km storm-relative helicity: 200 m²/s²
Significant tornado parameter: 2.4
Supercell composite: 13.0

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 26, 6:14 PM CDT, 23 hours 10 minutes earlier.

Area forecast discussion, May 26, 6:14 PM CDT, 23 hours 10 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 26, 7:10 PM CDT	Severe Thunderstorm Warning	SJT	Concho, Runnels	50 min
May 26, 7:40 PM CDT	Special Weather Statement	SJT	Runnels	35 min
May 26, 7:52 PM CDT	Special Weather Statement	SJT	Callahan	23 min
May 26, 7:57 PM CDT	Severe Thunderstorm Warning	SJT	Runnels	35 min
May 26, 8:20 PM CDT	Severe Thunderstorm Warning	SJT	Callahan, Shackelford	40 min
May 26, 8:31 PM CDT	Severe Thunderstorm Warning	SJT	Callahan, Taylor	44 min
May 26, 8:41 PM CDT	Severe Thunderstorm Warning	SJT	Callahan, Shackelford	49 min
May 26, 9:10 PM CDT	Special Weather Statement	SJT	Taylor	35 min
May 26, 9:23 PM CDT	Special Weather Statement	SJT	Shackelford	37 min
May 26, 9:31 PM CDT	Special Weather Statement	SJT	Brown	29 min
May 26, 11:13 PM CDT	Severe Thunderstorm Warning	SJT	Brown	47 min
May 26, 11:53 PM CDT	Severe Thunderstorm Warning	SJT	Brown	52 min
May 27, 12:11 AM CDT	Flash Flood Warning	SJT	Brown	3 hr
May 27, 12:38 AM CDT	Severe Thunderstorm Warning	SJT	Brown	36 min
May 27, 1:16 AM CDT	Special Weather Statement	SJT	Coleman	29 min
May 27, 1:41 AM CDT	Special Weather Statement	SJT	Brown	34 min
May 27, 1:52 AM CDT	Severe Thunderstorm Warning	SJT	Brown, Coleman	38 min
May 27, 2:41 PM CDT	Severe Thunderstorm Warning	SJT	McCulloch, Mason	34 min
May 27, 3:36 PM CDT	Areal Flood Advisory	SJT	Mason	114 min
May 27, 3:50 PM CDT	Special Weather Statement	SJT	Brown	25 min
May 27, 3:57 PM CDT	Special Weather Statement	SJT	Mason	33 min
May 27, 4:08 PM CDT	Severe Thunderstorm Warning	SJT	Mason, Menard	37 min
May 27, 4:41 PM CDT	Severe Thunderstorm Warning	SJT	Kimble, McCulloch, Mason, Menard	49 min
May 27, 5:07 PM CDT	Areal Flood Advisory	SJT	Mason, Menard	83 min
May 27, 5:20 PM CDT	Severe Thunderstorm Warning	SJT	Concho, McCulloch, Menard	40 min
May 27, 5:52 PM CDT	Special Weather Statement	SJT	Menard	38 min
May 27, 6:01 PM CDT	Special Weather Statement	SJT	Mason	29 min
May 27, 6:07 PM CDT	Areal Flood Advisory	SJT	Menard	83 min
May 27, 6:14 PM CDT	Special Weather Statement	SJT	Menard	31 min
May 27, 6:38 PM CDT	Severe Thunderstorm Warning	SJT	Kimble, Menard	37 min
May 27, 6:50 PM CDT	Special Weather Statement	SJT	Runnels	25 min
May 27, 6:56 PM CDT	Special Weather Statement	SJT	Menard	34 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.