Alert archive / Georgia / Severe Thunderstorm Warnings in 2016

Severe Thunderstorm Warning 149, NWS Atlanta, GA

June 28, 2016Hancock County, Washington County, Georgia

NWS Atlanta, GA issued this severe thunderstorm warning at Jun 28, 2016, 4:46 PM EDT for Hancock County, Washington County, Georgia. It was in force for 32 min. 1 report 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 28, 2016, 4:46 PM EDT (20:46 UTC)
Expired: Jun 28, 2016, 5:18 PM EDT
In force: 32 min
Issued by: NWS Atlanta, GA
Area: Storm-based polygon
Hail: 0.88 in
Wind: 60.0 mph

Counties Hancock County, GA, Washington County, GA

The radar

The Robins AFB radar (KJGX), 51 km from the middle of the area, began a volume at 20:50 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 28, 5:00 PM EDT	TSTM WND DMG	2 Wnw Kaolin, GA	SEVERAL TREES REPORTED DOWN NEAR PLEASANT GROVE 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 12:00Z, 8.8 hours before the alert went out and 144 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: 138 J/kg
Mixed-layer CIN: -158 J/kg
Mixed-layer LCL: 1041 m above ground
0-6 km bulk shear: 12 kt
0-1 km storm-relative helicity: 26 m²/s²
0-3 km storm-relative helicity: 48 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

Open this sounding in Storm Lab

The text

As transmitted.

274 
WUUS52 KFFC 282046
SVRFFC
GAC141-303-282130-
/O.NEW.KFFC.SV.W.0149.160628T2046Z-160628T2130Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE PEACHTREE CITY GA
446 PM EDT TUE JUN 28 2016

THE NATIONAL WEATHER SERVICE IN PEACHTREE CITY HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  SOUTH CENTRAL HANCOCK COUNTY IN GEORGIA...
  NORTHWESTERN WASHINGTON COUNTY IN GEORGIA...

* UNTIL 530 PM EDT

* AT 445 PM EDT...A SEVERE THUNDERSTORM WAS LOCATED OVER
  DEEPSTEP...OR 11 MILES NORTHWEST OF SANDERSVILLE...MOVING EAST AT
  10 MPH.

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

  SOURCE...RADAR INDICATED. 

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

* OTHER LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO
  SANDERSVILLE...DEEPSTEP...LINTON AND HEBRON. 

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 3295 8283 3294 8305 3298 8306 3299 8305
      3300 8305 3303 8307 3304 8306 3307 8304
      3308 8305 3306 8307 3308 8308 3317 8286
TIME...MOT...LOC 2045Z 262DEG 10KT 3305 8299 

HAIL...0.88IN
WIND...60MPH
 
$$

2 follow-up statements

330 
WWUS52 KFFC 282106
SVSFFC

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE PEACHTREE CITY GA
506 PM EDT TUE JUN 28 2016

GAC141-303-282130-
/O.CON.KFFC.SV.W.0149.000000T0000Z-160628T2130Z/
HANCOCK GA-WASHINGTON GA-
506 PM EDT TUE JUN 28 2016

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 530 PM EDT
FOR SOUTH CENTRAL HANCOCK AND NORTHWESTERN WASHINGTON COUNTIES...

AT 506 PM EDT...A SEVERE THUNDERSTORM WAS LOCATED NEAR DEEPSTEP...OR
11 MILES NORTHWEST OF SANDERSVILLE...MOVING EAST AT 10 MPH.

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

SOURCE...RADAR INDICATED. 

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

OTHER LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO
DEEPSTEP AND LINTON. 

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 3301 8284 3303 8307 3304 8306 3307 8304
      3308 8305 3306 8307 3308 8308 3317 8286
TIME...MOT...LOC 2106Z 253DEG 11KT 3309 8297 

HAIL...0.88IN
WIND...60MPH
 
$$

911 
WWUS52 KFFC 282118
SVSFFC

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE PEACHTREE CITY GA
518 PM EDT TUE JUN 28 2016

GAC141-303-282127-
/O.CAN.KFFC.SV.W.0149.000000T0000Z-160628T2130Z/
HANCOCK GA-WASHINGTON GA-
518 PM EDT TUE JUN 28 2016

...THE SEVERE THUNDERSTORM WARNING FOR SOUTH CENTRAL HANCOCK AND
NORTHWESTERN WASHINGTON COUNTIES 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.

LAT...LON 3301 8284 3303 8307 3304 8306 3307 8304
      3308 8305 3306 8307 3308 8308 3317 8286
TIME...MOT...LOC 2113Z 262DEG 10KT 3309 8293 

$$

The office that day

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

Issued	Product	Office	Counties	Lasted
Jun 27, 9:47 PM EDT	Special Weather Statement	FFC	Banks, Hall	28 min
Jun 28, 2:44 PM EDT	Special Weather Statement	FFC	DeKalb	31 min
Jun 28, 3:00 PM EDT	Special Weather Statement	FFC	Fulton	30 min
Jun 28, 3:19 PM EDT	Special Weather Statement	FFC	Bibb	26 min
Jun 28, 3:29 PM EDT	Special Weather Statement	FFC	Henry	31 min
Jun 28, 3:48 PM EDT	Special Weather Statement	FFC	Greene	27 min
Jun 28, 3:50 PM EDT	Special Weather Statement	FFC	Bibb	25 min
Jun 28, 3:59 PM EDT	Special Weather Statement	FFC	Greene	31 min
Jun 28, 4:06 PM EDT	Severe Thunderstorm Warning	FFC	Greene, Hancock, Putnam	39 min
Jun 28, 4:17 PM EDT	Special Weather Statement	FFC	Fayette	28 min
Jun 28, 4:31 PM EDT	Special Weather Statement	FFC	Washington	29 min
Jun 28, 4:32 PM EDT	Special Weather Statement	FFC	Baldwin	28 min
Jun 28, 4:54 PM EDT	Special Weather Statement	FFC	Hancock	36 min
Jun 28, 5:05 PM EDT	Severe Thunderstorm Warning	FFC	Jefferson, Washington	40 min
Jun 28, 5:20 PM EDT	Special Weather Statement	FFC	Glascock	25 min
Jun 28, 6:39 PM EDT	Special Weather Statement	FFC	Dodge	36 min
Jun 28, 7:08 PM EDT	Special Weather Statement	FFC	Toombs	37 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.