Alert archive / Georgia / Severe Thunderstorm Warnings in 2016

Severe Thunderstorm Warning 90, NWS Atlanta, GA

June 15, 2016Chattooga County, Floyd County, Georgia

NWS Atlanta, GA issued this severe thunderstorm warning at Jun 15, 2016, 8:26 PM EDT for Chattooga County, Floyd County, Georgia. It was in force for 34 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 15, 2016, 8:26 PM EDT (00:26 UTC)
Expired
Jun 15, 2016, 9:00 PM EDT
In force
34 min
Issued by
NWS Atlanta, GA
Area
Storm-based polygon
Hail
0.75 in
Wind
60.0 mph

Counties Chattooga County, GA, Floyd County, GA

The radar

The Northeast Alabama radar (KHTX), 87 km from the middle of the area, began a volume at 00:27 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, 0.4 hours before the alert went out and 141 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 2016-06-16Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 520 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 2016-06-16The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 62 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
520 J/kg
Mixed-layer CIN
-23 J/kg
Mixed-layer LCL
1227 m above ground
0-6 km bulk shear
5 kt
0-1 km storm-relative helicity
62 m²/s²
0-3 km storm-relative helicity
35 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

915 
WUUS52 KFFC 160026
SVRFFC
GAC055-115-160100-
/O.NEW.KFFC.SV.W.0090.160616T0026Z-160616T0100Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE PEACHTREE CITY GA
826 PM EDT WED JUN 15 2016

THE NATIONAL WEATHER SERVICE IN PEACHTREE CITY HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  WESTERN CHATTOOGA COUNTY IN NORTHWESTERN GEORGIA...
  SOUTHWESTERN FLOYD COUNTY IN NORTHWESTERN GEORGIA...

* UNTIL 900 PM EDT

* AT 826 PM EDT...SEVERE THUNDERSTORMS WERE LOCATED ALONG A LINE
  EXTENDING FROM 6 MILES NORTHWEST OF SUMMERVILLE TO NEAR LITTLE
  RIVER FALLS...MOVING SOUTHEAST AT 35 MPH.

  HAZARD...60 MPH WIND GUSTS. 

  SOURCE...RADAR INDICATED. 

  IMPACT...EXPECT DAMAGE TO ROOFS...SIDING...AND TREES. 

* OTHER LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO
  ROME...SUMMERVILLE...LYERLY...MENLO...BERRYTON...CLOUDLAND...JAMES
  H.
  FLOYD STATE PARK...CHATTOOGAVILLE...COOSA AND HOLLAND.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

FOR YOUR PROTECTION MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR OF A
BUILDING.

IF YOU SEE WIND DAMAGE...HAIL OR FLOODING...WAIT UNTIL THE STORM HAS
PASSED...AND THEN CALL THE NATIONAL WEATHER SERVICE TOLL FREE AT 1 8
6 6 7 6 3 4 4 6 6 OR TWEET US YOUR REPORT AT NWSATLANTA.

&&

LAT...LON 3457 8544 3438 8521 3420 8525 3418 8544
      3453 8551
TIME...MOT...LOC 0026Z 330DEG 32KT 3452 8545 3444 8557 

HAIL...<.75IN
WIND...60MPH
 
$$

The office that day

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

IssuedProductOfficeCountiesLasted
Jun 15, 8:19 PM EDTSpecial Weather StatementFFCChattooga, Floyd41 min
Jun 15, 8:56 PM EDTSevere Thunderstorm WarningFFCBartow, Floyd, Gordon, Polk49 min
Jun 15, 9:12 PM EDTSpecial Weather StatementFFCGilmer, Pickens33 min
Jun 15, 9:37 PM EDTSpecial Weather StatementFFCCobb, Douglas, Haralson, Paulding38 min
Jun 15, 10:18 PM EDTSpecial Weather StatementFFCCarroll, Douglas27 min
Jun 16, 4:19 PM EDTSpecial Weather StatementFFCHaralson26 min
Jun 16, 5:08 PM EDTSpecial Weather StatementFFCCarroll37 min
Jun 16, 5:46 PM EDTSevere Thunderstorm WarningFFCHeard, Troup44 min
Jun 16, 6:20 PM EDTSpecial Weather StatementFFCCoweta25 min
Jun 16, 6:31 PM EDTSevere Thunderstorm WarningFFCCoweta, Meriwether, Troup44 min
Jun 16, 7:12 PM EDTSevere Thunderstorm WarningFFCHarris, Meriwether, Talbot, Troup48 min
Jun 16, 7:59 PM EDTSevere Thunderstorm WarningFFCHarris, Muscogee46 min

Nearby

Severe Thunderstorm Warnings in Georgia, 2016Every severe thunderstorm warning in 2016

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.