Alert archive / Georgia / Heat Advisories in 2011

Heat Advisory 9, NWS Charleston, SC

July 14, 20118 counties in Georgia; Allendale County, Colleton County, Hampton County, South Carolina

NWS Charleston, SC issued this heat advisory at Jul 14, 2011, 3:24 AM EDT for 8 counties in Georgia; Allendale County, Colleton County, Hampton County, South Carolina. It took effect at Jul 14, 2011, 11:00 AM EDT. It was in force for 6 hr.

The area

The counties it named.

The facts

Issued: Jul 14, 2011, 3:24 AM EDT (07:24 UTC)
In effect from: Jul 14, 2011, 11:00 AM EDT
Expired: Jul 14, 2011, 5:24 PM EDT
In force: 6 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, Colleton County, SC, Hampton County, SC

The radar

The Charleston,SC radar (KCLX), 56 km from the middle of the area, began a volume at 07:28 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, 7.4 hours before the alert went out and 157 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: 4336 J/kg
Mixed-layer CIN: -31 J/kg
Mixed-layer LCL: 1213 m above ground
0-6 km bulk shear: 15 kt
0-1 km storm-relative helicity: 66 m²/s²
0-3 km storm-relative helicity: 81 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 14, 12:53 AM EDT, 2 hours 31 minutes earlier.

Area forecast discussion, Jul 14, 12:53 AM EDT, 2 hours 31 minutes before

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Hazardous weather outlook, Jul 13, 10:43 PM EDT, 4 hours 41 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
Jul 13, 9:13 PM EDT	Special Marine Warning	CHS		89 min
Jul 14, 2:20 PM EDT	Special Weather Statement	CHS	Chatham	40 min
Jul 14, 2:26 PM EDT	Special Weather Statement	CHS	Liberty	49 min
Jul 14, 2:38 PM EDT	Areal Flood Advisory	CHS	Chatham	23 min
Jul 14, 2:41 PM EDT	Areal Flood Advisory	CHS	Liberty, Long	58 min
Jul 14, 3:08 PM EDT	Severe Thunderstorm Warning	CHS	Liberty, Long, McIntosh	39 min
Jul 14, 3:13 PM EDT	Small Craft Advisory	CHS		63 hr
Jul 14, 3:14 PM EDT	Special Weather Statement	CHS	Bryan	31 min
Jul 14, 3:24 PM EDT	Special Weather Statement	CHS	Tattnall	36 min
Jul 14, 3:50 PM EDT	Special Weather Statement	CHS	Bryan	25 min
Jul 14, 4:34 PM EDT	Special Weather Statement	CHS	Evans, Tattnall	26 min
Jul 14, 4:44 PM EDT	Special Weather Statement	CHS	Screven	46 min
Jul 14, 5:52 PM EDT	Special Weather Statement	CHS	Bulloch, Candler	68 min
Jul 14, 6:28 PM EDT	Special Weather Statement	CHS	Bryan	32 min
Jul 14, 6:36 PM EDT	Areal Flood Advisory	CHS	Bryan, Chatham, Liberty	43 min
Jul 13, 8:16 PM EDT	Special Weather Statement	CHS	Berkeley	44 min
Jul 13, 8:33 PM EDT	Special Weather Statement	CHS	Charleston	42 min
Jul 13, 8:37 PM EDT	Severe Thunderstorm Warning	CHS	Berkeley, Charleston, Dorchester	53 min
Jul 13, 9:16 PM EDT	Severe Thunderstorm Warning	CHS	Berkeley, Charleston	35 min
Jul 14, 12:43 PM EDT	Special Weather Statement	CHS	Beaufort	32 min
Jul 14, 2:13 PM EDT	Special Weather Statement	CHS	Beaufort	47 min
Jul 14, 2:21 PM EDT	Special Weather Statement	CHS	Charleston	39 min
Jul 14, 2:36 PM EDT	Areal Flood Advisory	CHS	Berkeley, Charleston	3 hr
Jul 14, 2:41 PM EDT	Areal Flood Advisory	CHS	Beaufort, Colleton	2 hr
Jul 14, 2:53 PM EDT	Flash Flood Warning	CHS	Berkeley, Charleston	61 min
Jul 14, 3:26 PM EDT	Areal Flood Advisory	CHS	Charleston, Colleton, Dorchester	69 min
Jul 14, 4:32 PM EDT	Special Weather Statement	CHS	Dorchester	28 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.