Alert archive / South Carolina / Special Weather Statements in 2020

Special Weather Statement, NWS Columbia, SC

July 25, 2020Edgefield County, South Carolina

NWS Columbia, SC issued this special weather statement at Jul 25, 2020, 3:49 PM EDT for Edgefield County, South Carolina. 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 25, 2020, 3:49 PM EDT (19:49 UTC)
Expired: Jul 25, 2020, 4:15 PM EDT
In force: 26 min
Issued by: NWS Columbia, SC

County Edgefield County, SC

The radar

The Columbia radar (KCAE), 68 km from the middle of the area, began a volume at 19:52 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

Peachtre/Fal Fld, GA (KFFC), launched 12:00Z, 7.8 hours before the alert went out and 252 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: 694 J/kg
Mixed-layer CIN: -76 J/kg
Mixed-layer LCL: 993 m above ground
0-6 km bulk shear: 6 kt
0-1 km storm-relative helicity: -32 m²/s²
0-3 km storm-relative helicity: -8 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 Columbia, SC issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
Jul 25, 2:48 PM EDT	Special Weather Statement	CAE	Barnwell	27 min
Jul 25, 2:50 PM EDT	Special Weather Statement	CAE	Edgefield	25 min
Jul 25, 3:15 PM EDT	Special Weather Statement	CAE	Aiken	30 min
Jul 25, 4:45 PM EDT	Special Weather Statement	CAE	Orangeburg	30 min
Jul 25, 5:04 PM EDT	Special Weather Statement	CAE	Newberry	26 min
Jul 25, 5:11 PM EDT	Severe Thunderstorm Warning	CAE	Newberry	49 min
Jul 25, 5:45 PM EDT	Areal Flood Advisory	CAE	Newberry	2 hr
Jul 25, 6:47 PM EDT	Special Weather Statement	CAE	Chesterfield	28 min
Jul 25, 12:58 PM EDT	Special Weather Statement	CAE	Richmond	32 min
Jul 25, 3:40 PM EDT	Special Weather Statement	CAE	Richmond	35 min
Jul 25, 4:17 PM EDT	Special Weather Statement	CAE	Burke, Richmond	28 min

Nearby

Special Weather Statements in South Carolina, 2020 Every special weather statement in 2020

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.