Alert archive / Georgia / Special Weather Statements in 2014

Special Weather Statement, NWS Atlanta, GA

August 10, 2014DeKalb County, Rockdale County, Georgia

NWS Atlanta, GA issued this special weather statement at Aug 10, 2014, 3:37 PM EDT for DeKalb County, Rockdale County, Georgia. It was in force for 23 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 10, 2014, 3:37 PM EDT (19:37 UTC)
Expired
Aug 10, 2014, 4:00 PM EDT
In force
23 min
Issued by
NWS Atlanta, GA

Counties DeKalb County, GA, Rockdale County, GA

The radar

The Atlanta radar (KFFC), 43 km from the middle of the area, began a volume at 19:39 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

Birmingham, AL (KBMX), launched 12:00Z, 7.6 hours before the alert went out and 242 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, Birmingham, AL at 12:00Z on 2014-08-10Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 533 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, Birmingham, AL at 12:00Z on 2014-08-10The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -13 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
533 J/kg
Mixed-layer CIN
-43 J/kg
Mixed-layer LCL
604 m above ground
0-6 km bulk shear
7 kt
0-1 km storm-relative helicity
-13 m²/s²
0-3 km storm-relative helicity
5 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

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

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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 Aug 10, 3:00 PM EDT, 37 minutes earlier.

Area forecast discussion, Aug 10, 3:00 PM EDT, 37 minutes before
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Hazardous weather outlook, Aug 10, 4:35 AM EDT, 11 hours 2 minutes before
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In the hours before

Special weather statement, Aug 10, 3:37 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
Aug 9, 8:00 PM EDTSpecial Weather StatementFFCDeKalb30 min
Aug 9, 8:20 PM EDTFlash Flood WarningFFCDeKalb, Fulton, Gwinnett6 hr
Aug 9, 8:27 PM EDTSpecial Weather StatementFFCDeKalb, Gwinnett63 min
Aug 9, 8:58 PM EDTSpecial Weather StatementFFCForsyth, Hall62 min
Aug 9, 9:49 PM EDTFlash Flood WarningFFCDawson, Forsyth, Hall, Lumpkin6 hr
Aug 9, 9:56 PM EDTSpecial Weather StatementFFCBaldwin64 min
Aug 9, 9:59 PM EDTSpecial Weather StatementFFCWhite61 min
Aug 9, 10:25 PM EDTSpecial Weather StatementFFCWashington65 min
Aug 10, 3:53 PM EDTFlash Flood WarningFFCDeKalb, Henry, Rockdale6 hr
Aug 10, 7:05 PM EDTSpecial Weather StatementFFCHouston, Peach55 min
Aug 10, 7:29 PM EDTSpecial Weather StatementFFCCrawford61 min

Nearby

Special Weather Statements in Georgia, 2014Every special weather statement in 2014

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.