Alert archive / Texas / Severe Thunderstorm Warnings in 2015

Severe Thunderstorm Warning 69, NWS San Angelo, TX

April 24, 2015Coke County, Nolan County, Runnels County, Texas

NWS San Angelo, TX issued this severe thunderstorm warning at Apr 24, 2015, 2:31 PM CDT for Coke County, Nolan County, Runnels 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: Apr 24, 2015, 2:31 PM CDT (19:31 UTC)
Expired: Apr 24, 2015, 3:15 PM CDT
In force: 44 min
Issued by: NWS San Angelo, TX
Area: Storm-based polygon
Hail: 1.5 in
Wind: 60.0 mph

Counties Coke County, TX, Nolan County, TX, Runnels County, TX

The radar

The San Angelo radar (KSJT), 73 km from the middle of the area, began a volume at 19:31 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
Apr 24, 2:10 PM CDT	Tornado Watch	SPC	8 hr

The nearest sounding before it

Midland Regional, TX (KMAF), launched 12:00Z, 7.5 hours before the alert went out and 179 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: 0 J/kg
Mixed-layer CIN: No buoyant parcel
Mixed-layer LCL: 1567 m above ground
0-6 km bulk shear: 64 kt
0-1 km storm-relative helicity: 145 m²/s²
0-3 km storm-relative helicity: 169 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 Apr 24, 2:17 PM CDT, 14 minutes earlier.

Area forecast discussion, Apr 24, 2:17 PM CDT, 14 minutes before

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Hazardous weather outlook, Apr 24, 4:35 AM CDT, 9 hours 56 minutes before

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In the hours before

Special weather statement, Apr 24, 9:00 AM CDT, 5 hours 31 minutes before

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Special weather statement, Apr 24, 10:21 AM CDT, 4 hours 10 minutes before

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Local storm report, Apr 24, 10:34 AM CDT, 3 hours 57 minutes before

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Special weather statement, Apr 24, 1:47 PM CDT, 44 minutes before

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Special weather statement, Apr 24, 2:04 PM CDT, 27 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
Apr 24, 9:00 AM CDT	Special Weather Statement	SJT	Sterling	45 min
Apr 24, 10:21 AM CDT	Special Weather Statement	SJT	Nolan	24 min
Apr 24, 1:47 PM CDT	Special Weather Statement	SJT	Haskell, Jones	28 min
Apr 24, 2:04 PM CDT	Special Weather Statement	SJT	Coke	26 min
Apr 24, 2:43 PM CDT	Special Weather Statement	SJT	Irion	32 min
Apr 24, 2:59 PM CDT	Severe Thunderstorm Warning	SJT	Coke, Runnels, Taylor	46 min
Apr 24, 3:06 PM CDT	Special Weather Statement	SJT	Coke	39 min
Apr 24, 3:15 PM CDT	Severe Thunderstorm Warning	SJT	Coke, Runnels	45 min
Apr 24, 3:30 PM CDT	Severe Thunderstorm Warning	SJT	Callahan, Coleman, Runnels, Taylor	45 min
Apr 24, 3:36 PM CDT	Tornado Warning	SJT	Callahan, Coleman, Runnels, Taylor	24 min
Apr 24, 3:45 PM CDT	Severe Thunderstorm Warning	SJT	Coleman, Runnels	30 min
Apr 24, 3:54 PM CDT	Special Weather Statement	SJT	Tom Green	51 min
Apr 24, 3:56 PM CDT	Tornado Warning	SJT	Brown, Callahan, Coleman	49 min
Apr 24, 4:00 PM CDT	Severe Thunderstorm Warning	SJT	Irion, Tom Green	45 min
Apr 24, 4:09 PM CDT	Severe Thunderstorm Warning	SJT	Brown, Callahan, Coleman	51 min
Apr 24, 4:25 PM CDT	Severe Thunderstorm Warning	SJT	Coleman, Concho, Runnels, Tom Green	50 min
Apr 24, 4:50 PM CDT	Special Weather Statement	SJT	Tom Green	40 min
Apr 24, 5:05 PM CDT	Severe Thunderstorm Warning	SJT	Brown, Coleman	40 min
Apr 24, 5:27 PM CDT	Special Weather Statement	SJT	Schleicher	33 min
Apr 24, 5:29 PM CDT	Special Weather Statement	SJT	Tom Green	31 min
Apr 24, 5:30 PM CDT	Special Weather Statement	SJT	Concho	30 min
Apr 24, 5:36 PM CDT	Special Weather Statement	SJT	Brown	39 min
Apr 24, 6:09 PM CDT	Special Weather Statement	SJT	McCulloch	36 min
Apr 24, 6:34 PM CDT	Special Weather Statement	SJT	McCulloch	41 min
Apr 24, 6:38 PM CDT	Special Weather Statement	SJT	Brown	37 min
Apr 24, 6:45 PM CDT	Special Weather Statement	SJT	Menard	30 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.