Alert archive / Texas / Severe Thunderstorm Warnings in 2017

Severe Thunderstorm Warning 159, NWS San Angelo, TX

June 1, 2017Nolan County, Texas

NWS San Angelo, TX issued this severe thunderstorm warning at Jun 1, 2017, 5:33 PM CDT for Nolan County, Texas. It was in force for 57 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
Jun 1, 2017, 5:33 PM CDT (22:33 UTC)
Expired
Jun 1, 2017, 6:30 PM CDT
In force
57 min
Issued by
NWS San Angelo, TX
Area
Storm-based polygon
Hail
1.0 in
Wind
60.0 mph

County Nolan County, TX

The radar

The San Angelo radar (KSJT), 104 km from the middle of the area, began a volume at 22:33 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

Midland Regional, TX (KMAF), launched 12:00Z, 10.6 hours before the alert went out and 173 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-pSkew-T log-p diagram, Midland Regional, TX at 12:00Z on 2017-06-01Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 126 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Midland Regional, TX at 12:00Z on 2017-06-01The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -14 square meters per square second.193958Sfc1 km3 km6 km9 kmRMLM
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
126 J/kg
Mixed-layer CIN
-71 J/kg
Mixed-layer LCL
979 m above ground
0-6 km bulk shear
16 kt
0-1 km storm-relative helicity
-14 m²/s²
0-3 km storm-relative helicity
-11 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 Jun 1, 3:33 PM CDT, 2 hours earlier.

Area forecast discussion, Jun 1, 3:33 PM CDT, 2 hours before
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Hazardous weather outlook, Jun 1, 3:38 PM CDT, 1 hour 55 minutes before
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In the hours before

Special weather statement, Jun 1, 5:20 PM CDT, 13 minutes before
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Special weather statement, Jun 1, 5:31 PM CDT, 2 minutes before
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    <section class="card" role="status" aria-live="polite">
      <div class="status" id="status">Temporary Notice</div>
      <h1 id="headline">This service is currently unavailable.</h1>
      <p id="message1">
        The site you requested is temporarily down for maintenance or an unexpected outage.
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The office that day

Everything else NWS San Angelo, TX issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Jun 1, 7:06 AM CDTAreal Flood AdvisorySJTJones54 min
Jun 1, 5:20 PM CDTSpecial Weather StatementSJTCoke40 min
Jun 1, 5:31 PM CDTSpecial Weather StatementSJTNolan29 min
Jun 1, 5:54 PM CDTSpecial Weather StatementSJTFisher51 min
Jun 1, 5:56 PM CDTSpecial Weather StatementSJTCoke49 min
Jun 1, 6:02 PM CDTSevere Thunderstorm WarningSJTCoke58 min
Jun 1, 6:14 PM CDTSpecial Weather StatementSJTRunnels46 min
Jun 1, 6:16 PM CDTSpecial Weather StatementSJTTaylor44 min
Jun 1, 6:28 PM CDTSpecial Weather StatementSJTJones47 min
Jun 1, 6:50 PM CDTSpecial Weather StatementSJTConcho25 min
Jun 1, 6:52 PM CDTSpecial Weather StatementSJTIrion23 min

Nearby

Severe Thunderstorm Warnings in Texas, 2017Every severe thunderstorm warning in 2017

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.