Alert archive / Georgia / Severe Thunderstorm Warnings in 2002

Severe Thunderstorm Warning 50, NWS Columbia, SC

May 13, 2002Columbia County, Richmond County, Georgia

NWS Columbia, SC issued this severe thunderstorm warning at May 13, 2002, 7:19 PM EDT for Columbia County, Richmond County, Georgia. It was in force for 26 min. 1 report came from inside the area while it was in force.

The area

The counties it named, with what was reported inside it.

The facts

Issued: May 13, 2002, 7:19 PM EDT (23:19 UTC)
Expired: May 13, 2002, 7:45 PM EDT
In force: 26 min
Issued by: NWS Columbia, SC
Area: Whole counties

Counties Columbia County, GA, Richmond County, GA

The radar

The Columbia radar (KCAE), 112 km from the middle of the area, began a volume at 23:23 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.

What was reported inside it

Time	Report	Where	Remark
May 13, 7:28 PM EDT	Thunderstorm Wind 50 E	Martinez, GA	Emergency Manager reported several trees down in the Carriage Hills subdivision of Martinez.

NCEI Storm Data entries that began inside the alert's area while it was in force. Before 2003 the local storm report archive is thin, so this is the record of what happened rather than what was phoned in.

The watch it was issued in

The SPC watch in force over the same counties when this warning went out.

Issued	Product	Office	Lasted
May 13, 5:00 PM EDT	Severe Thunderstorm Watch	SPC	5 hr

The nearest sounding before it

Charleston AFB, SC (KCHS), launched 12:00Z, 11.3 hours before the alert went out and 211 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: 1967 J/kg
Mixed-layer CIN: 0 J/kg
Mixed-layer LCL: 474 m above ground
0-6 km bulk shear: 16 kt
0-1 km storm-relative helicity: 9 m²/s²
0-3 km storm-relative helicity: 23 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 1.0

Open this sounding in Storm Lab

The text

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

000 
WUUS52 KCAE 132319
SVRCAE
GAC073-245-132345-

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE COLUMBIA SC
716 PM EDT MON MAY 13 2002

THE NATIONAL WEATHER SERVICE HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
    RICHMOND COUNTY IN EAST CENTRAL GEORGIA
    COLUMBIA COUNTY IN EAST CENTRAL GEORGIA

* UNTIL 745 PM EDT.

* AT 708 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED 
  SEVERE THUNDERSTORMS EXTENDING FROM JUST WEST OF MARTINEZ TO
  JUST WEST OF AUGUSTA. MOVEMENT WAS EASTWARD AT 50 MPH.

THIS IS A DANGEROUS STORM. SEEK SHELTER NOW
EXPECT WIND GUSTS NEAR 60 MPH WITH THESE THUNDERSTORMS.

RC/JL

The office that day

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

Issued	Product	Office	Counties	Lasted
May 13, 5:52 PM EDT	Severe Thunderstorm Warning	CAE	Lincoln	38 min
May 13, 6:21 PM EDT	Severe Thunderstorm Warning	CAE	Columbia, McDuffie, Richmond	54 min

Nearby

Severe Thunderstorm Warnings in Georgia, 2002 Every severe thunderstorm warning in 2002

Sources

The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; verification from NCEI's Storm Data; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.