Alert archive / Georgia / Special Weather Statements in 2014

Special Weather Statement, NWS Atlanta, GA

August 10, 2014Floyd County, Georgia

NWS Atlanta, GA issued this special weather statement at Aug 10, 2014, 11:13 PM EDT for Floyd County, Georgia. It was in force for 47 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, 11:13 PM EDT (03:13 UTC)
Expired
Aug 11, 2014, 12:00 AM EDT
In force
47 min
Issued by
NWS Atlanta, GA

County Floyd County, GA

The radar

The Atlanta radar (KFFC), 105 km from the middle of the area, began a volume at 03:12 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 00:00Z, 3.2 hours before the alert went out and 107 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 00:00Z on 2014-08-11Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 813 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Peachtre/Fal Fld, GA at 00:00Z on 2014-08-11The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 12 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
813 J/kg
Mixed-layer CIN
-7 J/kg
Mixed-layer LCL
1029 m above ground
0-6 km bulk shear
16 kt
0-1 km storm-relative helicity
12 m²/s²
0-3 km storm-relative helicity
48 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.

078 
WWUS82 KFFC 110313
SPSFFC

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE PEACHTREE CITY GA
1113 PM EDT SUN AUG 10 2014

GAZ019-110400-
1113 PM EDT SUN AUG 10 2014

...SIGNIFICANT WEATHER ADVISORY FOR HEAVY RAIN IN FLOYD COUNTY UNTIL
MIDNIGHT EDT...

AT 1109 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
SERIES OF THUNDERSTORM CAUSING HEAVY RAINFALL NEAR THE EAST SIDE OF 
LINDALE...MOVING SOUTHEAST AT 5 MPH.

QUICK RAINFALL AMOUNTS OF 2 TO 3 INCHES CAN BE EXPECTED
ACROSS FLOYD COUNTY...INCLUDING AREAS AROUND LINDALE AND SENEY.
DRIVERS SHOULD USE CAUTION AS INTENSE RAINFALL WILL REDUCE
VISIBILITIES. PONDING OF WATER ON ROADWAYS IS ALSO LIKELY.

&&

LAT...LON 3433 8513 3427 8503 3425 8502 3422 8503
      3421 8505 3410 8504 3409 8512 3408 8512
      3408 8514 3421 8519
TIME...MOT...LOC 0312Z 314DEG 3KT 3417 8508

$$

The office that day

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

IssuedProductOfficeCountiesLasted
Aug 10, 9:09 PM EDTSpecial Weather StatementFFCTelfair51 min
Aug 10, 10:36 PM EDTSpecial Weather StatementFFCCoweta, Fayette39 min
Aug 10, 11:17 PM EDTSpecial Weather StatementFFCDodge58 min
Aug 11, 12:06 AM EDTSpecial Weather StatementFFCFloyd54 min
Aug 11, 1:13 AM EDTSpecial Weather StatementFFCPaulding, Polk47 min
Aug 11, 2:10 AM EDTSpecial Weather StatementFFCPolk50 min
Aug 11, 2:54 AM EDTSpecial Weather StatementFFCTroup36 min
Aug 11, 1:59 PM EDTSpecial Weather StatementFFCHarris, Muscogee, Troup46 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.