Alert archive / Georgia / Severe Thunderstorm Warnings in 2016

Severe Thunderstorm Warning 81, NWS Atlanta, GA

June 12, 2016Floyd County, Georgia

NWS Atlanta, GA issued this severe thunderstorm warning at Jun 12, 2016, 3:32 PM EDT for Floyd County, Georgia. It was in force for 43 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: Jun 12, 2016, 3:32 PM EDT (19:32 UTC)
Expired: Jun 12, 2016, 4:15 PM EDT
In force: 43 min
Issued by: NWS Atlanta, GA
Area: Storm-based polygon
Hail: 1.0 in
Wind: 60.0 mph

County Floyd County, GA

The radar

The Atlanta radar (KFFC), 105 km from the middle of the area, began a volume at 19:34 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
Jun 12, 3:35 PM EDT	TSTM WND DMG	1 Sse Robinson, GA	AN ALUMINUM CARPORT WAS REMOVED FROM ITS FOOTINGS AND BLOWN SEVERAL YARDS AWAY.
Jun 12, 3:35 PM EDT	HAIL 1	Benton, GA	QUARTER SIZED HAIL REPORTED NEAR COOSA ON ALABAMA HIGHWAY.

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, 7.5 hours before the alert went out and 108 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: 979 J/kg
Mixed-layer CIN: -77 J/kg
Mixed-layer LCL: 1062 m above ground
0-6 km bulk shear: 4 kt
0-1 km storm-relative helicity: -16 m²/s²
0-3 km storm-relative helicity: -8 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

Open this sounding in Storm Lab

The text

As transmitted.

169 
WUUS52 KFFC 121932
SVRFFC
GAC115-122015-
/O.NEW.KFFC.SV.W.0081.160612T1932Z-160612T2015Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE PEACHTREE CITY GA
332 PM EDT SUN JUN 12 2016

THE NATIONAL WEATHER SERVICE IN PEACHTREE CITY HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  SOUTHERN FLOYD COUNTY IN NORTHWESTERN GEORGIA...

* UNTIL 415 PM EDT

* AT 331 PM EDT...A SEVERE THUNDERSTORM WAS LOCATED NEAR ROME...MOVING
  SOUTHEAST AT 10 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
  ROME...CAVE SPRING...COOSA AND LINDALE. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

LARGE HAIL AND DAMAGING WINDS AND CONTINUOUS CLOUD TO GROUND
LIGHTNING IS OCCURRING WITH THIS STORM. MOVE INDOORS IMMEDIATELY.
LIGHTNING IS ONE OF NATURE'S LEADING KILLERS. REMEMBER...IF YOU CAN
HEAR THUNDER...YOU ARE CLOSE ENOUGH TO BE STRUCK BY LIGHTNING.

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 3431 8528 3417 8505 3410 8512 3409 8512
      3408 8513 3408 8516 3410 8516 3410 8526
      3408 8526 3408 8534 3424 8539
TIME...MOT...LOC 1931Z 327DEG 10KT 3424 8530 

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

2 follow-up statements

117 
WWUS52 KFFC 122004
SVSFFC

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE PEACHTREE CITY GA
404 PM EDT SUN JUN 12 2016

GAC115-122015-
/O.CON.KFFC.SV.W.0081.000000T0000Z-160612T2015Z/
FLOYD GA-
404 PM EDT SUN JUN 12 2016

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 415 PM EDT
FOR SOUTHEASTERN FLOYD COUNTY...

AT 403 PM EDT...A SEVERE THUNDERSTORM WAS LOCATED NEAR CAVE SPRING...OR
SOUTHWEST OF ROME...MOVING SOUTHEAST AT 10 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
ROME...CAVE SPRING AND LINDALE. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

CONTINUOUS CLOUD TO GROUND LIGHTNING IS OCCURRING WITH THIS STORM.
MOVE INDOORS IMMEDIATELY. LIGHTNING IS ONE OF NATURE'S LEADING
KILLERS. REMEMBER...IF YOU CAN HEAR THUNDER...YOU ARE CLOSE ENOUGH TO
BE STRUCK BY LIGHTNING.

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 3426 8523 3417 8505 3410 8512 3409 8512
      3408 8513 3408 8516 3410 8516 3410 8526
      3408 8526 3408 8534 3418 8535
TIME...MOT...LOC 2003Z 327DEG 10KT 3416 8524 

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

046 
WWUS52 KFFC 122011
SVSFFC

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE PEACHTREE CITY GA
411 PM EDT SUN JUN 12 2016

GAC115-122020-
/O.EXP.KFFC.SV.W.0081.000000T0000Z-160612T2015Z/
FLOYD GA-
411 PM EDT SUN JUN 12 2016

...THE SEVERE THUNDERSTORM WARNING FOR SOUTHEASTERN FLOYD COUNTY WILL
EXPIRE AT 415 PM EDT...
        
THE STORM WHICH PROMPTED THE WARNING IS WEAKENING BELOW SEVERE
LIMITS. THEREFORE THE WARNING WILL BE ALLOWED TO EXPIRE. HOWEVER...
SMALL HAIL AND GUSTY WINDS UP TO 35 MPH ARE STILL POSSIBLE WITH THIS 
THUNDERSTORM.

TO REPORT SEVERE WEATHER...CONTACT YOUR NEAREST LAW ENFORCEMENT
AGENCY. THEY WILL RELAY YOUR REPORT TO THE NATIONAL WEATHER SERVICE
PEACHTREE CITY.

LAT...LON 3426 8523 3417 8505 3410 8512 3409 8512
      3408 8513 3408 8516 3410 8516 3410 8526
      3408 8526 3408 8534 3418 8535
TIME...MOT...LOC 2006Z 327DEG 10KT 3416 8524 

$$

The office that day

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

Issued	Product	Office	Counties	Lasted
Jun 12, 12:44 PM EDT	Special Weather Statement	FFC	Dawson	31 min
Jun 12, 1:09 PM EDT	Special Weather Statement	FFC	Hall	36 min
Jun 12, 1:11 PM EDT	Severe Thunderstorm Warning	FFC	Dawson, Forsyth, Hall, Lumpkin	49 min
Jun 12, 1:21 PM EDT	Special Weather Statement	FFC	Gordon	24 min
Jun 12, 1:43 PM EDT	Special Weather Statement	FFC	Bartow	32 min
Jun 12, 2:02 PM EDT	Special Weather Statement	FFC	Madison	28 min
Jun 12, 2:23 PM EDT	Special Weather Statement	FFC	Bartow	22 min
Jun 12, 2:27 PM EDT	Special Weather Statement	FFC	Oglethorpe	48 min
Jun 12, 2:42 PM EDT	Special Weather Statement	FFC	Clarke, Jackson	48 min
Jun 12, 2:47 PM EDT	Special Weather Statement	FFC	Bartow	43 min
Jun 12, 2:53 PM EDT	Special Weather Statement	FFC	Gwinnett	37 min
Jun 12, 3:11 PM EDT	Special Weather Statement	FFC	Clarke	49 min
Jun 12, 3:15 PM EDT	Special Weather Statement	FFC	Cobb	45 min
Jun 12, 3:19 PM EDT	Special Weather Statement	FFC	Floyd	41 min
Jun 12, 3:28 PM EDT	Special Weather Statement	FFC	Gwinnett	47 min
Jun 12, 3:52 PM EDT	Special Weather Statement	FFC	Hancock	38 min
Jun 12, 3:57 PM EDT	Special Weather Statement	FFC	Fulton	48 min
Jun 12, 4:06 PM EDT	Special Weather Statement	FFC	Polk	39 min
Jun 12, 4:13 PM EDT	Special Weather Statement	FFC	Greene	47 min
Jun 12, 4:23 PM EDT	Special Weather Statement	FFC	Baldwin	37 min
Jun 12, 4:33 PM EDT	Special Weather Statement	FFC	Floyd	42 min
Jun 12, 5:35 PM EDT	Special Weather Statement	FFC	Hancock	40 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.