Alert archive / South Carolina / Heat Advisories in 2016

Heat Advisory 4, NWS Charleston, SC

July 3, 2016Berkeley County, South Carolina

NWS Charleston, SC issued this heat advisory at Jul 3, 2016, 2:29 PM EDT for Berkeley County, South Carolina. It was in force for 5 hr.

The area

The counties it named.

The facts

Issued: Jul 3, 2016, 2:29 PM EDT (18:29 UTC)
Expired: Jul 3, 2016, 7:00 PM EDT
In force: 5 hr
Issued by: NWS Charleston, SC

County Berkeley County, SC

The radar

The Charleston,SC radar (KCLX), 118 km from the middle of the area, began a volume at 18:32 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

Charleston AFB, SC (KCHS), launched 12:00Z, 6.5 hours before the alert went out and 33 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: 1017 J/kg
Mixed-layer CIN: -65 J/kg
Mixed-layer LCL: 979 m above ground
0-6 km bulk shear: 7 kt
0-1 km storm-relative helicity: 58 m²/s²
0-3 km storm-relative helicity: 58 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 Charleston, SC wrote its last area forecast discussion before this heat advisory went out at Jul 3, 10:43 AM EDT, 3 hours 46 minutes earlier.

Area forecast discussion, Jul 3, 10:43 AM EDT, 3 hours 46 minutes before

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Hazardous weather outlook, Jul 3, 2:29 PM EDT, 0 minutes before

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<body>
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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.
      </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 Charleston, SC issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
Jul 3, 10:06 AM EDT	Coastal Flood Advisory	CHS		11 hr
Jul 3, 4:16 PM EDT	Special Weather Statement	CHS	Berkeley	44 min
Jul 3, 6:20 PM EDT	Special Weather Statement	CHS	Colleton	40 min
Jul 3, 6:59 PM EDT	Special Weather Statement	CHS	Colleton, Dorchester	46 min
Jul 3, 7:07 PM EDT	Areal Flood Advisory	CHS	Colleton	83 min
Jul 3, 7:45 PM EDT	Special Weather Statement	CHS	Berkeley	30 min

Nearby

Heat Advisories in South Carolina, 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.