Alert archive / Georgia / Severe Thunderstorm Warnings in 2016

Severe Thunderstorm Warning 7, NWS Atlanta, GA

March 1, 20165 counties in Georgia

NWS Atlanta, GA issued this severe thunderstorm warning at Mar 1, 2016, 8:08 PM EST for 5 counties in Georgia. It was in force for 37 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: Mar 1, 2016, 8:08 PM EST (01:08 UTC)
Expired: Mar 1, 2016, 8:45 PM EST
In force: 37 min
Issued by: NWS Atlanta, GA
Area: Storm-based polygon
Hail: 0.75 in
Wind: 60.0 mph

Counties Carroll County, GA, Coweta County, GA, Douglas County, GA, Fulton County, GA, Heard County, GA

The radar

The Atlanta radar (KFFC), 32 km from the middle of the area, began a volume at 01:11 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 watch it was issued in

The SPC watch in force over the same counties when this warning went out.

Issued	Product	Office	Lasted
Mar 1, 6:25 PM EST	Severe Thunderstorm Watch	SPC	5 hr

The nearest sounding before it

Peachtre/Fal Fld, GA (KFFC), launched 00:00Z, 1.1 hours before the alert went out and 38 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: 3 J/kg
Mixed-layer CIN: -33 J/kg
Mixed-layer LCL: 1253 m above ground
0-6 km bulk shear: 64 kt
0-1 km storm-relative helicity: 236 m²/s²
0-3 km storm-relative helicity: 353 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

Open this sounding in Storm Lab

The text

As transmitted.

085 
WUUS52 KFFC 020108
SVRFFC
GAC045-077-097-121-149-020145-
/O.NEW.KFFC.SV.W.0007.160302T0108Z-160302T0145Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE PEACHTREE CITY GA
808 PM EST TUE MAR 1 2016

THE NATIONAL WEATHER SERVICE IN PEACHTREE CITY HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  SOUTHWESTERN DOUGLAS COUNTY IN NORTH CENTRAL GEORGIA...
  SOUTHERN CARROLL COUNTY IN NORTHWESTERN GEORGIA...
  COWETA COUNTY IN WEST CENTRAL GEORGIA...
  HEARD COUNTY IN WEST CENTRAL GEORGIA...
  SOUTHWESTERN FULTON COUNTY IN NORTH CENTRAL GEORGIA...

* UNTIL 845 PM EST

* AT 807 PM EST...SEVERE THUNDERSTORMS WERE LOCATED ALONG A LINE
  EXTENDING FROM 6 MILES SOUTHEAST OF VILLA RICA TO NEAR CARROLLTON
  TO NEAR EPHESUS...MOVING SOUTHEAST AT 45 MPH.

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

  SOURCE...RADAR INDICATED. 

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

* OTHER LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO
  NEWNAN...CARROLLTON...FRANKLIN...FAIRBURN...TYRONE...PALMETTO...
  GRANTVILLE...WHITESBURG...EPHESUS...CENTRALHATCHEE...MORELAND...
  SHARPSBURG...ROOPVILLE...EAST NEWNAN...CHATTAHOOCHEE HILL COUNTRY...
  CORINTH...THOMAS CROSSROADS...HANDY...MADRAS AND DUNAWAY GARDENS.

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 3357 8507 3374 8485 3353 8456 3352 8459
      3348 8462 3344 8463 3339 8461 3323 8471
      3322 8485 3320 8485 3320 8487 3321 8486
      3323 8487 3322 8494 3317 8508 3320 8511
      3316 8512 3314 8521 3319 8525 3350 8531
TIME...MOT...LOC 0107Z 317DEG 37KT 3365 8487 3352 8503 3344 8533 

HAIL...0.75IN
WIND...60MPH
 
$$
KOVACIK

The office that day

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

Issued	Product	Office	Counties	Lasted
Mar 1, 7:13 PM EST	Special Weather Statement	FFC	Haralson	32 min
Mar 1, 7:32 PM EST	Special Weather Statement	FFC	Carroll, Cobb, Douglas, Haralson, Paulding	28 min
Mar 1, 7:59 PM EST	Special Weather Statement	FFC	Clayton, Coweta, DeKalb, Fayette, Fulton, Heard	46 min
Mar 1, 8:46 PM EST	Special Weather Statement	FFC	Butts, Fayette, Harris, Henry, Lamar, Meriwether and 4 more	29 min
Mar 1, 8:51 PM EST	Severe Thunderstorm Warning	FFC	DeKalb, Henry, Rockdale	24 min
Mar 1, 9:01 PM EST	Severe Thunderstorm Warning	FFC	Newton	29 min
Mar 1, 9:17 PM EST	Special Weather Statement	FFC	Butts, Harris, Henry, Lamar, Meriwether, Monroe and 5 more	43 min
Mar 1, 9:26 PM EST	Special Weather Statement	FFC	Clarke, Greene, Jasper, Morgan, Oconee, Oglethorpe and 1 more	49 min
Mar 1, 10:02 PM EST	Special Weather Statement	FFC	Baldwin, Butts, Jasper, Jones, Lamar, Monroe and 1 more	43 min
Mar 1, 10:42 PM EST	Special Weather Statement	FFC	Bibb, Crawford, Twiggs	48 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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.