Alert archive / Georgia / Severe Thunderstorm Warnings in 2016

Severe Thunderstorm Warning 3, NWS Atlanta, GA

February 15, 20164 counties in Georgia

NWS Atlanta, GA issued this severe thunderstorm warning at Feb 15, 2016, 9:19 PM EST for 4 counties in Georgia. It was in force for 26 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: Feb 15, 2016, 9:19 PM EST (02:19 UTC)
Expired: Feb 15, 2016, 9:45 PM EST
In force: 26 min
Issued by: NWS Atlanta, GA
Area: Storm-based polygon
Hail: 0.75 in
Wind: 60.0 mph

Counties Crawford County, GA, Lamar County, GA, Monroe County, GA, Upson County, GA

The radar

The Atlanta radar (KFFC), 70 km from the middle of the area, began a volume at 02:22 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
Feb 15, 9:20 PM EST	TSTM WND DMG	1 Ssw Redbone Crossroad, GA	A TREE AND POWERLINES WERE BLOWN DOWN ONTO LANIER RD.
Feb 15, 9:25 PM EST	TSTM WND DMG	2 Ssw The Rock, GA	ESTIMATED PEAK WIND AROUND 80 MPH. THE DAMAGE OCCURED ALONG ROCK HILL SCHOOL ROAD WHERE 30 TO 50 MEDIUM TO LARGE PINE TREES WERE UPROOTED. THE TREES WERE ALL LAYING IN ONE DIRECTION AND STRETCHED NEARLY 500 YARDS WEST TO EAST ALONG THE ROAD.

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 00:00Z, 2.3 hours before the alert went out and 68 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: 2 J/kg
Mixed-layer CIN: -52 J/kg
Mixed-layer LCL: 1122 m above ground
0-6 km bulk shear: 62 kt
0-1 km storm-relative helicity: 418 m²/s²
0-3 km storm-relative helicity: 614 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

Open this sounding in Storm Lab

The text

As transmitted.

511 
WUUS52 KFFC 160219
SVRFFC
GAC079-171-207-293-160245-
/O.NEW.KFFC.SV.W.0003.160216T0219Z-160216T0245Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE PEACHTREE CITY GA
919 PM EST MON FEB 15 2016

THE NATIONAL WEATHER SERVICE IN PEACHTREE CITY HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  SOUTHWESTERN MONROE COUNTY IN CENTRAL GEORGIA...
  UPSON COUNTY IN WEST CENTRAL GEORGIA...
  SOUTHERN LAMAR COUNTY IN WEST CENTRAL GEORGIA...
  NORTHWESTERN CRAWFORD COUNTY IN CENTRAL GEORGIA...

* UNTIL 945 PM EST

* AT 919 PM EST...A SEVERE THUNDERSTORM WAS LOCATED NEAR LINCOLN
  PARK...OR NEAR THOMASTON...MOVING NORTHEAST AT 60 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
  THOMASTON...BARNESVILLE...FORSYTH...YATESVILLE...CULLODEN...
  ALDORA...THE ROCK...LINCOLN PARK...COLLIER...REDBONE...SALEM...
  BRENT...LOGTOWN...RUSSELLVILLE...GOGGINS...REDBONE CROSSROADS...
  JOHNSTONVILLE AND HANNAHS MILL.

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 3274 8427 3274 8428 3276 8430 3276 8433
      3287 8439 3310 8414 3306 8390 3287 8386
      3283 8395 3273 8423 3274 8424 3272 8426
TIME...MOT...LOC 0219Z 233DEG 51KT 3281 8429 

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

DJN

1 follow-up statement

506 
WWUS52 KFFC 160237
SVSFFC

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE PEACHTREE CITY GA
937 PM EST MON FEB 15 2016

GAC079-171-207-293-160246-
/O.EXP.KFFC.SV.W.0003.000000T0000Z-160216T0245Z/
MONROE GA-UPSON GA-LAMAR GA-CRAWFORD GA-
937 PM EST MON FEB 15 2016

...THE SEVERE THUNDERSTORM WARNING FOR SOUTHWESTERN MONROE...UPSON...
SOUTHERN LAMAR AND NORTHWESTERN CRAWFORD COUNTIES WILL EXPIRE AT 945
PM EST...
                
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 WILL BE ALLOWED TO EXPIRE.  HOWEVER GUSTY WINDS
AND HEAVY RAIN ARE STILL POSSIBLE WITH THESE THUNDERSTORMS.

LAT...LON 3274 8427 3274 8428 3276 8430 3276 8433
      3287 8439 3310 8414 3306 8390 3287 8386
      3283 8395 3273 8423 3274 8424 3272 8426
TIME...MOT...LOC 0235Z 233DEG 51KT 3281 8429 

$$

DJN

The office that day

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

Issued	Product	Office	Counties	Lasted
Feb 15, 7:56 PM EST	Special Weather Statement	FFC	Troup	34 min
Feb 15, 8:08 PM EST	Severe Thunderstorm Warning	FFC	Chattahoochee, Harris, Muscogee, Stewart	37 min
Feb 15, 8:09 PM EST	Special Weather Statement	FFC	Heard	36 min
Feb 15, 8:23 PM EST	Special Weather Statement	FFC	Meriwether, Troup	37 min
Feb 15, 8:39 PM EST	Special Weather Statement	FFC	Marion, Talbot, Webster	51 min
Feb 15, 8:45 PM EST	Special Weather Statement	FFC	Coweta	30 min
Feb 15, 8:47 PM EST	Special Weather Statement	FFC	Carroll, Paulding, Polk	28 min
Feb 15, 8:56 PM EST	Special Weather Statement	FFC	Schley, Sumter, Taylor, Upson	49 min
Feb 15, 9:10 PM EST	Special Weather Statement	FFC	Douglas, Fulton	35 min
Feb 15, 9:13 PM EST	Special Weather Statement	FFC	Fayette, Lamar, Meriwether, Pike, Spalding	32 min
Feb 15, 9:25 PM EST	Special Weather Statement	FFC	Crawford, Macon, Peach	50 min
Feb 15, 9:43 PM EST	Special Weather Statement	FFC	Henry, Spalding	32 min
Feb 15, 9:50 PM EST	Special Weather Statement	FFC	Bibb, Crisp, Dooly, Houston, Monroe	40 min
Feb 15, 10:00 PM EST	Special Weather Statement	FFC	Henry, Newton, Rockdale	30 min
Feb 15, 10:23 PM EST	Special Weather Statement	FFC	Bleckley, Crisp, Jones, Pulaski, Putnam, Twiggs	37 min
Feb 15, 10:52 PM EST	Special Weather Statement	FFC	Baldwin, Dodge, Hancock, Johnson, Laurens, Telfair and 4 more	23 min
Feb 15, 11:27 PM EST	Special Weather Statement	FFC	Glascock, Jefferson, Johnson, Laurens, Montgomery, Taliaferro and 5 more	33 min
Feb 16, 12:12 AM EST	Special Weather Statement	FFC	Emanuel, Montgomery, Toombs, Treutlen, Wheeler	33 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.