Alert archive / Georgia / Heat Advisories in 2011

Heat Advisory 1, NWS Charleston, SC

June 19, 20118 counties in Georgia; 5 counties in South Carolina

NWS Charleston, SC issued this heat advisory at Jun 19, 2011, 4:14 AM EDT for 8 counties in Georgia; 5 counties in South Carolina. It took effect at Jun 19, 2011, 12:00 PM EDT. It was in force for 8 hr.

The area

The counties it named.

The facts

Issued: Jun 19, 2011, 4:14 AM EDT (08:14 UTC)
In effect from: Jun 19, 2011, 12:00 PM EDT
Expired: Jun 19, 2011, 8:00 PM EDT
In force: 8 hr
Issued by: NWS Charleston, SC

Counties Bulloch County, GA, Candler County, GA, Effingham County, GA, Evans County, GA, Jenkins County, GA, Long County, GA, Screven County, GA, Tattnall County, GA, Allendale County, SC, Berkeley County, SC, Colleton County, SC, Dorchester County, SC, Hampton County, SC

The radar

The Charleston,SC radar (KCLX), 33 km from the middle of the area, began a volume at 08:16 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 00:00Z, 8.2 hours before the alert went out and 134 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: 1855 J/kg
Mixed-layer CIN: -14 J/kg
Mixed-layer LCL: 1399 m above ground
0-6 km bulk shear: 19 kt
0-1 km storm-relative helicity: 63 m²/s²
0-3 km storm-relative helicity: 82 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 Jun 19, 1:48 AM EDT, 2 hours 26 minutes earlier.

Area forecast discussion, Jun 19, 1:48 AM EDT, 2 hours 26 minutes before

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Hazardous weather outlook, Jun 19, 12:51 AM EDT, 3 hours 23 minutes before

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In the hours before

Local storm report, Jun 19, 1:23 AM EDT, 2 hours 51 minutes before

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Local storm report, Jun 19, 1:29 AM EDT, 2 hours 45 minutes before

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Local storm report, Jun 19, 1:34 AM EDT, 2 hours 40 minutes before

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Local storm report, Jun 19, 1:37 AM EDT, 2 hours 37 minutes before

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Local storm report, Jun 19, 2:19 AM EDT, 1 hour 55 minutes before

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Local storm report, Jun 19, 3:21 AM EDT, 53 minutes before

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The office that day

Everything else NWS Charleston, SC issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
Jun 18, 8:52 PM EDT	Severe Thunderstorm Warning	CHS	Bulloch, Candler, Jenkins, Screven	53 min
Jun 18, 9:34 PM EDT	Severe Thunderstorm Warning	CHS	Effingham, Screven	56 min
Jun 18, 9:45 PM EDT	Severe Thunderstorm Warning	CHS	Bulloch, Candler, Evans, Jenkins, Tattnall	60 min
Jun 18, 9:55 PM EDT	Special Weather Statement	CHS	Evans, Tattnall	50 min
Jun 18, 10:05 PM EDT	Severe Thunderstorm Warning	CHS	Evans, Liberty, Long, Tattnall	55 min
Jun 18, 10:11 PM EDT	Severe Thunderstorm Warning	CHS	Chatham, Effingham	64 min
Jun 18, 10:25 PM EDT	Special Marine Warning	CHS		95 min
Jun 18, 10:37 PM EDT	Severe Thunderstorm Warning	CHS	Bryan, Bulloch, Chatham, Effingham, Liberty	53 min
Jun 18, 10:58 PM EDT	Severe Thunderstorm Warning	CHS	Liberty, Long, McIntosh	62 min
Jun 18, 11:05 PM EDT	Special Marine Warning	CHS		43 min
Jun 18, 11:15 PM EDT	Severe Thunderstorm Warning	CHS	Chatham, Effingham	60 min
Jun 18, 11:27 PM EDT	Severe Thunderstorm Warning	CHS	Bryan, Chatham, Effingham, Liberty	50 min
Jun 18, 11:39 PM EDT	Special Marine Warning	CHS		66 min
Jun 18, 11:59 PM EDT	Special Marine Warning	CHS		102 min
Jun 18, 9:12 PM EDT	Severe Thunderstorm Warning	CHS	Colleton, Dorchester	63 min
Jun 18, 10:17 PM EDT	Severe Thunderstorm Warning	CHS	Berkeley, Charleston, Colleton, Dorchester	58 min

Nearby

Heat Advisories in Georgia, 2011 Heat Advisories in South Carolina, 2011 Every heat advisory in 2011

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.