Alert archive / Texas / Heat Advisories in 2016

Heat Advisory 8, NWS Amarillo, TX

July 13, 201615 counties in Texas

NWS Amarillo, TX issued this heat advisory at Jul 13, 2016, 4:14 AM CDT for 15 counties in Texas. It took effect at Jul 13, 2016, 12:00 PM CDT. It was in force for 8 hr.

The area

The counties it named.

The facts

Issued: Jul 13, 2016, 4:14 AM CDT (09:14 UTC)
In effect from: Jul 13, 2016, 12:00 PM CDT
Expired: Jul 13, 2016, 8:00 PM CDT
In force: 8 hr
Issued by: NWS Amarillo, TX

Counties Armstrong County, TX, Carson County, TX, Dallam County, TX, Deaf Smith County, TX, Gray County, TX, Hansford County, TX, Hartley County, TX, Hutchinson County, TX, Moore County, TX, Ochiltree County, TX, Oldham County, TX, Potter County, TX, Randall County, TX, Roberts County, TX, Sherman County, TX

The radar

The Amarillo radar (KAMA), 48 km from the middle of the area, began a volume at 09:19 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

Amarillo Airport, TX (KAMA), launched 00:00Z, 9.2 hours before the alert went out and 48 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: 415 J/kg
Mixed-layer CIN: -46 J/kg
Mixed-layer LCL: 3237 m above ground
0-6 km bulk shear: 32 kt
0-1 km storm-relative helicity: 8 m²/s²
0-3 km storm-relative helicity: 35 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 heat advisory went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.

NWS Amarillo, TX wrote its last area forecast discussion before this heat advisory went out at Jul 12, 10:44 PM CDT, 5 hours 30 minutes earlier.

Area forecast discussion, Jul 12, 10:44 PM CDT, 5 hours 30 minutes before

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Hazardous weather outlook, Jul 13, 3:56 AM CDT, 18 minutes before

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In the hours before

Local storm report, Jul 12, 10:16 PM CDT, 5 hours 58 minutes before

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Local storm report, Jul 12, 10:20 PM CDT, 5 hours 54 minutes before

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Local storm report, Jul 12, 10:29 PM CDT, 5 hours 45 minutes before

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<body>
  <main class="wrap">
    <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.
      </p>
      <p id="message2">
        Please try again in a few minutes.
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      <p class="small" id="detail">
        If you are an administrator, restore upstream service and remove the redirect/fallback rule when normal operations resume.
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The office that day

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

Issued	Product	Office	Counties	Lasted
Jul 12, 7:20 PM CDT	Severe Thunderstorm Warning	AMA	Armstrong, Randall	55 min
Jul 12, 8:15 PM CDT	Severe Thunderstorm Warning	AMA	Armstrong	45 min
Jul 12, 8:41 PM CDT	Severe Thunderstorm Warning	AMA	Armstrong, Carson, Donley, Gray	64 min
Jul 12, 9:44 PM CDT	Severe Thunderstorm Warning	AMA	Gray, Wheeler	36 min

Nearby

Heat Advisories in Texas, 2016 Every heat advisory in 2016

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.