Alert archive / Georgia / Severe Thunderstorm Warnings in 2016

Severe Thunderstorm Warning 253, NWS Atlanta, GA

August 5, 2016Haralson County, Georgia

NWS Atlanta, GA issued this severe thunderstorm warning at Aug 5, 2016, 4:28 PM EDT for Haralson County, Georgia. It was in force for 17 min. 2 reports came from inside the area while it was in force.

The area

The outline as issued, with what was reported inside it.

The facts

Issued: Aug 5, 2016, 4:28 PM EDT (20:28 UTC)
Expired: Aug 5, 2016, 4:45 PM EDT
In force: 17 min
Issued by: NWS Atlanta, GA
Area: Storm-based polygon
Hail: 1.0 in
Wind: 60.0 mph

County Haralson County, GA

The radar

The Atlanta radar (KFFC), 69 km from the middle of the area, began a volume at 20:28 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
Aug 5, 4:35 PM EDT	TSTM WND DMG	2 Wnw Draketown, GA	ONE TREE DOWN ON FRANCIS WHITE ROAD ABOUT 2 MILES NORTH NORTHWEST OF DRAKETOWN.
Aug 5, 4:40 PM EDT	TSTM WND DMG	2 N Buchanan, GA	ONE TREE DOWN ON EAST CHURCH ROAD ABOUT 2 MILES NORTH OF EAST BUCHANAN.

Local storm reports filed while the alert was in force, from inside its polygon or its counties.

The nearest sounding before it

Peachtre/Fal Fld, GA (KFFC), launched 12:00Z, 8.5 hours before the alert went out and 73 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: 722 J/kg
Mixed-layer CIN: -47 J/kg
Mixed-layer LCL: 765 m above ground
0-6 km bulk shear: 6 kt
0-1 km storm-relative helicity: 21 m²/s²
0-3 km storm-relative helicity: 20 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

Open this sounding in Storm Lab

The text

As transmitted.

337 
WUUS52 KFFC 052028
SVRFFC
GAC143-052100-
/O.NEW.KFFC.SV.W.0253.160805T2028Z-160805T2100Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE PEACHTREE CITY GA
428 PM EDT FRI AUG 5 2016

THE NATIONAL WEATHER SERVICE IN PEACHTREE CITY HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  EASTERN HARALSON COUNTY IN NORTHWESTERN GEORGIA...

* UNTIL 500 PM EDT

* AT 427 PM EDT...A SEVERE THUNDERSTORM WAS LOCATED NEAR BUCHANAN...
  MOVING SOUTHEAST AT 15 MPH.

  HAZARD...60 MPH WIND GUSTS AND QUARTER SIZE HAIL. 

  SOURCE...RADAR INDICATED. 

  IMPACT...HAIL DAMAGE TO VEHICLES IS EXPECTED. EXPECT WIND DAMAGE 
           TO ROOFS...SIDING...AND TREES. 

* OTHER LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO
  BUCHANAN...BREMEN...WACO...DRAKETOWN AND EUBANK LAKE. 

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 3391 8513 3390 8509 3384 8504 3381 8504
      3381 8505 3372 8505 3372 8506 3369 8512
      3369 8513 3370 8513 3368 8521 3385 8527
TIME...MOT...LOC 2027Z 326DEG 13KT 3380 8513 

HAIL...1.00IN
WIND...60MPH
 
$$

1 follow-up statement

705 
WWUS52 KFFC 052045
SVSFFC

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE PEACHTREE CITY GA
445 PM EDT FRI AUG 5 2016

GAC143-052054-
/O.CAN.KFFC.SV.W.0253.000000T0000Z-160805T2100Z/
HARALSON GA-
445 PM EDT FRI AUG 5 2016

...THE SEVERE THUNDERSTORM WARNING FOR EASTERN HARALSON COUNTY IS
CANCELLED...
                
THE STORM WHICH PROMPTED THE WARNING HAS WEAKENED BELOW SEVERE
LIMITS...AND NO LONGER POSE AN IMMEDIATE THREAT TO LIFE OR PROPERTY.
THEREFORE THE WARNING HAS BEEN CANCELLED.

HOWEVER... THE STORM IS STILL STRONG OVER FAR EASTERN HARALSON
COUNTY AND WIND GUST UP TO 45 MPH... BRIEF HEAVY RAIN AND FREQUENT
LIGHTNING REMAIN LIKELY THERE UNTIL 455 PM 

LAT...LON 3391 8513 3390 8509 3384 8504 3381 8504
      3381 8505 3372 8505 3372 8506 3369 8512
      3369 8513 3370 8513 3368 8521 3385 8527
TIME...MOT...LOC 2040Z 326DEG 13KT 3375 8509 

$$

The office that day

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

Issued	Product	Office	Counties	Lasted
Aug 4, 9:30 PM EDT	Special Weather Statement	FFC	Clarke, Jackson, Madison, Oglethorpe	30 min
Aug 4, 10:10 PM EDT	Special Weather Statement	FFC	Clarke	35 min
Aug 4, 10:45 PM EDT	Special Weather Statement	FFC	Clarke	45 min
Aug 4, 11:36 PM EDT	Areal Flood Warning	FFC	Clarke, Oconee, Oglethorpe	6 hr
Aug 4, 11:53 PM EDT	Special Weather Statement	FFC	Gilmer	37 min
Aug 5, 12:37 AM EDT	Special Weather Statement	FFC	Dawson	53 min
Aug 5, 2:21 PM EDT	Special Weather Statement	FFC	Talbot	39 min
Aug 5, 2:23 PM EDT	Special Weather Statement	FFC	Floyd	37 min
Aug 5, 2:56 PM EDT	Special Weather Statement	FFC	Bartow, Floyd	49 min
Aug 5, 3:03 PM EDT	Special Weather Statement	FFC	Talbot, Taylor	42 min
Aug 5, 3:15 PM EDT	Special Weather Statement	FFC	Polk	30 min
Aug 5, 3:48 PM EDT	Special Weather Statement	FFC	Paulding	42 min
Aug 5, 4:23 PM EDT	Special Weather Statement	FFC	Haralson	52 min
Aug 5, 4:39 PM EDT	Special Weather Statement	FFC	Douglas	36 min
Aug 5, 5:11 PM EDT	Special Weather Statement	FFC	Douglas	49 min
Aug 5, 5:27 PM EDT	Special Weather Statement	FFC	Pickens	33 min
Aug 5, 6:08 PM EDT	Special Weather Statement	FFC	Coweta	37 min
Aug 5, 6:55 PM EDT	Special Weather Statement	FFC	Meriwether, Pike	50 min
Aug 5, 6:58 PM EDT	Special Weather Statement	FFC	Spalding	47 min
Aug 5, 7:45 PM EDT	Special Weather Statement	FFC	Pike, Upson	30 min

Nearby

Severe Thunderstorm Warnings in Georgia, 2016 Every 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; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.