Alert archive / Georgia / Special Weather Statements in 2015

Special Weather Statement, NWS Columbia, SC

August 19, 2015Richmond County, Georgia

NWS Columbia, SC issued this special weather statement at Aug 19, 2015, 2:50 PM EDT for Richmond County, Georgia. It was in force for 55 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: Aug 19, 2015, 2:50 PM EDT (18:50 UTC)
Expired: Aug 19, 2015, 3:45 PM EDT
In force: 55 min
Issued by: NWS Columbia, SC

County Richmond County, GA

The radar

The Columbia radar (KCAE), 115 km from the middle of the area, began a volume at 18:51 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, 6.8 hours before the alert went out and 209 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: 679 J/kg
Mixed-layer CIN: -44 J/kg
Mixed-layer LCL: 998 m above ground
0-6 km bulk shear: 24 kt
0-1 km storm-relative helicity: 70 m²/s²
0-3 km storm-relative helicity: 75 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 1.4

Open this sounding in Storm Lab

The text

As transmitted, in the capitals the NWS used until 2016.

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The office that day

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

Issued	Product	Office	Counties	Lasted
Aug 18, 10:33 PM EDT	Special Weather Statement	CAE	Aiken, Barnwell	57 min
Aug 18, 11:31 PM EDT	Special Weather Statement	CAE	Calhoun, Fairfield, Kershaw, Richland, Sumter	59 min
Aug 18, 11:35 PM EDT	Special Weather Statement	CAE	Calhoun, Fairfield, Kershaw, Richland, Sumter	55 min
Aug 19, 1:02 AM EDT	Special Weather Statement	CAE	Chesterfield	43 min
Aug 19, 2:22 PM EDT	Areal Flood Advisory	CAE	Edgefield, McCormick	3 hr
Aug 19, 2:51 PM EDT	Areal Flood Advisory	CAE	Richmond	3 hr

Nearby

Special Weather Statements in Georgia, 2015 Every special weather statement in 2015

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.