Alert archive / Georgia / Special Weather Statements in 2018

Special Weather Statement, NWS Atlanta, GA

June 13, 2018Chattooga County, Georgia

NWS Atlanta, GA issued this special weather statement at Jun 13, 2018, 2:33 PM EDT for Chattooga County, Georgia. It was in force for 42 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
Jun 13, 2018, 2:33 PM EDT (18:33 UTC)
Expired
Jun 13, 2018, 3:15 PM EDT
In force
42 min
Issued by
NWS Atlanta, GA
Wind
40

County Chattooga County, GA

The radar

The Northeast Alabama radar (KHTX), 73 km from the middle of the area, began a volume at 18:36 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, 6.6 hours before the alert went out and 159 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-pSkew-T log-p diagram, Peachtre/Fal Fld, GA at 12:00Z on 2018-06-13Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 693 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Peachtre/Fal Fld, GA at 12:00Z on 2018-06-13The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 39 square meters per square second.1939Sfc1 km3 km6 km9 kmRMLM
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
693 J/kg
Mixed-layer CIN
-21 J/kg
Mixed-layer LCL
592 m above ground
0-6 km bulk shear
9 kt
0-1 km storm-relative helicity
39 m²/s²
0-3 km storm-relative helicity
54 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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What forecasters said that day

The local office's own words before this special weather statement went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.

NWS Atlanta, GA wrote its last area forecast discussion before this special weather statement went out at Jun 13, 2:08 PM EDT, 25 minutes earlier.

Area forecast discussion, Jun 13, 2:08 PM EDT, 25 minutes before
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Hazardous weather outlook, Jun 13, 11:45 AM EDT, 2 hours 48 minutes before
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In the hours before

Special weather statement, Jun 13, 2:33 PM EDT, 0 minutes before
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The office that day

Everything else NWS Atlanta, GA issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Jun 12, 8:14 PM EDTSpecial Weather StatementFFCPike31 min
Jun 12, 8:29 PM EDTSpecial Weather StatementFFCLaurens31 min
Jun 13, 3:05 PM EDTSpecial Weather StatementFFCLamar25 min
Jun 13, 4:25 PM EDTSpecial Weather StatementFFCToombs35 min
Jun 13, 4:27 PM EDTSpecial Weather StatementFFCBibb33 min
Jun 13, 4:42 PM EDTSpecial Weather StatementFFCBartow33 min
Jun 13, 4:56 PM EDTSpecial Weather StatementFFCJones34 min
Jun 13, 5:34 PM EDTSpecial Weather StatementFFCCherokee26 min
Jun 13, 5:56 PM EDTSpecial Weather StatementFFCBleckley34 min
Jun 13, 6:02 PM EDTSpecial Weather StatementFFCDawson28 min
Jun 13, 6:09 PM EDTSpecial Weather StatementFFCBleckley36 min
Jun 13, 6:19 PM EDTRiver Flood WarningFFCGwinnett71 min
Jun 13, 6:27 PM EDTSpecial Weather StatementFFCRockdale, Walton33 min
Jun 13, 6:34 PM EDTSpecial Weather StatementFFCTreutlen26 min
Jun 13, 6:48 PM EDTSevere Thunderstorm WarningFFCLaurens, Treutlen42 min
Jun 13, 6:59 PM EDTSpecial Weather StatementFFCRockdale31 min
Jun 13, 7:22 PM EDTSpecial Weather StatementFFCTreutlen38 min

Nearby

Special Weather Statements in Georgia, 2018Every special weather statement in 2018

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.