Alert archive / Texas / Severe Thunderstorm Warnings in 2015

Severe Thunderstorm Warning 293, NWS San Angelo, TX

May 30, 2015Haskell County, Jones County, Shackelford County, Texas

NWS San Angelo, TX issued this severe thunderstorm warning at May 30, 2015, 12:46 AM CDT for Haskell County, Jones County, Shackelford County, Texas. It was in force for 44 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 30, 2015, 12:46 AM CDT (05:46 UTC)
Expired: May 30, 2015, 1:30 AM CDT
In force: 44 min
Issued by: NWS San Angelo, TX
Area: Storm-based polygon
Hail: 1.0 in
Wind: 60.0 mph

Counties Haskell County, TX, Jones County, TX, Shackelford County, TX

The radar

The Dyess AFB radar (KDYX), 54 km from the middle of the area, began a volume at 05:46 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 29, 7:21 PM CDT	Severe Thunderstorm Watch	SPC	7 hr

The nearest sounding before it

Fort Worth, TX (KFWD), launched 00:00Z, 5.8 hours before the alert went out and 221 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: 550 J/kg
Mixed-layer CIN: -185 J/kg
Mixed-layer LCL: 1237 m above ground
0-6 km bulk shear: 31 kt
0-1 km storm-relative helicity: 98 m²/s²
0-3 km storm-relative helicity: 152 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 1.4

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 29, 6:56 PM CDT, 5 hours 50 minutes earlier.

Area forecast discussion, May 29, 6:56 PM CDT, 5 hours 50 minutes before

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Hazardous weather outlook, May 29, 2:44 PM CDT, 10 hours 2 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 29, 11:27 PM CDT	Special Weather Statement	SJT	Jones	48 min
May 30, 12:26 AM CDT	Severe Thunderstorm Warning	SJT	Jones	49 min
May 30, 12:31 AM CDT	Areal Flood Advisory	SJT	Fisher, Jones, Shackelford	3 hr
May 30, 12:34 AM CDT	Severe Thunderstorm Warning	SJT	Fisher	41 min
May 30, 12:42 AM CDT	Severe Thunderstorm Warning	SJT	Shackelford, Throckmorton	48 min
May 30, 12:51 AM CDT	Special Weather Statement	SJT	Coke, Nolan, Sterling	39 min
May 30, 12:59 AM CDT	Flash Flood Warning	SJT	Fisher, Haskell, Jones	3 hr
May 30, 1:08 AM CDT	Special Weather Statement	SJT	Haskell	37 min
May 30, 1:11 AM CDT	Severe Thunderstorm Warning	SJT	Fisher, Jones	49 min
May 30, 1:15 AM CDT	Severe Thunderstorm Warning	SJT	Coke, Jones, Nolan, Runnels, Sterling, Taylor and 1 more	45 min
May 30, 1:33 AM CDT	Special Weather Statement	SJT	Throckmorton	42 min
May 30, 1:42 AM CDT	Severe Thunderstorm Warning	SJT	Callahan, Coleman, Nolan, Runnels, Taylor	48 min
May 30, 1:47 AM CDT	Special Weather Statement	SJT	Irion, Tom Green	43 min
May 30, 1:47 AM CDT	Severe Thunderstorm Warning	SJT	Throckmorton	43 min
May 30, 1:59 AM CDT	Special Weather Statement	SJT	Shackelford	46 min
May 30, 2:12 AM CDT	Flash Flood Warning	SJT	Haskell, Throckmorton	3 hr
May 30, 2:18 AM CDT	Special Weather Statement	SJT	Concho, Irion, Tom Green	42 min
May 30, 2:29 AM CDT	Special Weather Statement	SJT	Callahan, Coleman, Runnels, Taylor	46 min
May 30, 2:42 AM CDT	Flash Flood Warning	SJT	Jones, Shackelford, Throckmorton	3 hr
May 30, 2:43 AM CDT	Severe Thunderstorm Warning	SJT	Callahan	47 min
May 30, 2:46 AM CDT	Special Weather Statement	SJT	Shackelford	29 min
May 30, 2:47 AM CDT	Areal Flood Advisory	SJT	Callahan, Shackelford	3 hr
May 30, 2:58 AM CDT	Special Weather Statement	SJT	Crockett	62 min
May 30, 3:02 AM CDT	Special Weather Statement	SJT	Concho, Irion, McCulloch, Menard, Schleicher	58 min
May 30, 3:15 AM CDT	Special Weather Statement	SJT	Brown, Coleman	60 min
May 30, 3:53 AM CDT	Special Weather Statement	SJT	Kimble, McCulloch, Mason, Menard, San Saba, Schleicher and 1 more	52 min
May 30, 3:56 AM CDT	Special Weather Statement	SJT	Brown	49 min
May 30, 6:21 AM CDT	River Flood Warning	SJT	Shackelford, Throckmorton	4 days
May 30, 7:12 AM CDT	Special Weather Statement	SJT	Crockett	33 min
May 30, 10:23 AM CDT	Special Weather Statement	SJT	Sutton	37 min
May 30, 10:46 AM CDT	Areal Flood Advisory	SJT	Sutton	119 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.