Alert archive / Texas / Severe Thunderstorm Warnings in 2008

Severe Thunderstorm Warning 207, NWS San Angelo, TX

May 24, 2008Callahan County, Taylor County, Texas

NWS San Angelo, TX issued this severe thunderstorm warning at May 24, 2008, 10:11 PM CDT for Callahan County, Taylor County, Texas. It was in force for 35 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 24, 2008, 10:11 PM CDT (03:11 UTC)
Expired: May 24, 2008, 10:46 PM CDT
In force: 35 min
Issued by: NWS San Angelo, TX
Area: Storm-based polygon

Counties Callahan County, TX, Taylor County, TX

The radar

The Dyess AFB radar (KDYX), 44 km from the middle of the area, began a volume at 03:14 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 24, 5:19 PM CDT	Severe Thunderstorm Watch	SPC	7 hr

The nearest sounding before it

Fort Worth, TX (KFWD), launched 00:00Z, 3.2 hours before the alert went out and 227 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: 3870 J/kg
Mixed-layer CIN: -3 J/kg
Mixed-layer LCL: 1232 m above ground
0-6 km bulk shear: 22 kt
0-1 km storm-relative helicity: 32 m²/s²
0-3 km storm-relative helicity: 61 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 24, 5:50 PM CDT, 4 hours 21 minutes earlier.

Area forecast discussion, May 24, 5:50 PM CDT, 4 hours 21 minutes before

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Hazardous weather outlook, May 24, 2:20 PM CDT, 7 hours 51 minutes before

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In the hours before

Local storm report, May 24, 5:50 PM CDT, 4 hours 21 minutes before

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  <title>Service Notice</title>
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  <main class="wrap">
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      <div class="status" id="status">Temporary Notice</div>
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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 24, 8:11 PM CDT	Severe Thunderstorm Warning	SJT	Nolan, Taylor	49 min
May 24, 10:30 PM CDT	Areal Flood Advisory	SJT	Fisher	2 hr
May 24, 11:12 PM CDT	Areal Flood Advisory	SJT	Nolan	93 min
May 24, 11:36 PM CDT	Severe Thunderstorm Warning	SJT	Fisher	24 min
May 25, 12:01 AM CDT	Severe Thunderstorm Warning	SJT	Fisher	44 min
May 25, 1:03 AM CDT	Areal Flood Advisory	SJT	Fisher, Haskell, Jones, Shackelford, Throckmorton	117 min

Nearby

Severe Thunderstorm Warnings in Texas, 2008 Every severe thunderstorm warning in 2008

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.