Alert archive / Georgia / Special Weather Statements in 2017

Special Weather Statement, NWS Charleston, SC

July 29, 20176 counties in Georgia

NWS Charleston, SC issued this special weather statement at Jul 29, 2017, 2:49 PM EDT for 6 counties in Georgia. It was in force for 26 min. No storm report in the archive falls inside the area while it was in force.

The area

The outline as issued.

The facts

Issued: Jul 29, 2017, 2:49 PM EDT (18:49 UTC)
Expired: Jul 29, 2017, 3:15 PM EDT
In force: 26 min
Issued by: NWS Charleston, SC

Counties Bryan County, GA, Bulloch County, GA, Chatham County, GA, Effingham County, GA, Liberty County, GA, Long County, GA

The radar

The Charleston,SC radar (KCLX), 62 km from the middle of the area, began a volume at 18:48 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

Jacksonville, FL (KJAX), launched 12:00Z, 6.8 hours before the alert went out and 187 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: 1902 J/kg
Mixed-layer CIN: -14 J/kg
Mixed-layer LCL: 656 m above ground
0-6 km bulk shear: 8 kt
0-1 km storm-relative helicity: -89 m²/s²
0-3 km storm-relative helicity: -67 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

Open this sounding in Storm Lab

The text

As transmitted.

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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 28, 8:31 PM EDT	Special Weather Statement	CHS	Jasper	29 min
Jul 28, 8:48 PM EDT	Special Weather Statement	CHS	Beaufort	27 min
Jul 29, 3:24 PM EDT	Special Weather Statement	CHS	Beaufort, Jasper	51 min
Jul 29, 3:54 PM EDT	Special Marine Warning	CHS		96 min
Jul 29, 4:09 PM EDT	Special Weather Statement	CHS	Beaufort	36 min
Jul 29, 4:47 PM EDT	Special Marine Warning	CHS		88 min
Jul 29, 5:24 PM EDT	Special Marine Warning	CHS		2 hr

Nearby

Special Weather Statements in Georgia, 2017 Every special weather statement in 2017

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.