Alert archive / Texas / Heat Advisories in 2016

Heat Advisory 4, NWS Amarillo, TX

July 6, 20168 counties in Texas

NWS Amarillo, TX issued this heat advisory at Jul 6, 2016, 4:51 AM CDT for 8 counties in Texas. It took effect at Jul 6, 2016, 1:00 PM CDT. It was in force for 7 hr.

The area

The counties it named.

The facts

Issued: Jul 6, 2016, 4:51 AM CDT (09:51 UTC)
In effect from: Jul 6, 2016, 1:00 PM CDT
Expired: Jul 6, 2016, 8:00 PM CDT
In force: 7 hr
Issued by: NWS Amarillo, TX

Counties Armstrong County, TX, Carson County, TX, Deaf Smith County, TX, Hutchinson County, TX, Moore County, TX, Oldham County, TX, Potter County, TX, Randall County, TX

The radar

The Amarillo radar (KAMA), 19 km from the middle of the area, began a volume at 09:56 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, 9.9 hours before the alert went out and 20 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: 1243 J/kg
Mixed-layer CIN: -10 J/kg
Mixed-layer LCL: 3269 m above ground
0-6 km bulk shear: 41 kt
0-1 km storm-relative helicity: 7 m²/s²
0-3 km storm-relative helicity: 50 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 2.1

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 6, 4:42 AM CDT, 9 minutes earlier.

Area forecast discussion, Jul 6, 4:42 AM CDT, 9 minutes before

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Hazardous weather outlook, Jul 5, 7:41 PM CDT, 9 hours 10 minutes before

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  <link rel="stylesheet" href="index.css">
</head>
<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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        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 6, 3:50 PM CDT	Special Weather Statement	AMA	Randall	40 min
Jul 6, 4:19 PM CDT	Special Weather Statement	AMA	Armstrong	41 min
Jul 6, 4:29 PM CDT	Severe Thunderstorm Warning	AMA	Randall	61 min
Jul 6, 4:54 PM CDT	Special Weather Statement	AMA	Carson	51 min
Jul 6, 5:15 PM CDT	Special Weather Statement	AMA	Armstrong	30 min
Jul 6, 5:20 PM CDT	Special Weather Statement	AMA	Carson	25 min
Jul 6, 5:50 PM CDT	Special Weather Statement	AMA	Armstrong	25 min
Jul 6, 6:09 PM CDT	Special Weather Statement	AMA	Hutchinson, Roberts	36 min
Jul 6, 6:24 PM CDT	Severe Thunderstorm Warning	AMA	Ochiltree, Roberts	32 min
Jul 6, 6:26 PM CDT	Severe Thunderstorm Warning	AMA	Armstrong	49 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.