Alert archive / Georgia / Severe Thunderstorm Warnings in 2015

Severe Thunderstorm Warning 232, NWS Atlanta, GA

June 30, 2015Hancock County, Georgia

NWS Atlanta, GA issued this severe thunderstorm warning at Jun 30, 2015, 6:25 PM EDT for Hancock County, Georgia. It was in force for 27 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 30, 2015, 6:25 PM EDT (22:25 UTC)
Expired: Jun 30, 2015, 6:52 PM EDT
In force: 27 min
Issued by: NWS Atlanta, GA
Area: Storm-based polygon
Hail: 1.0 in
Wind: 60.0 mph

County Hancock County, GA

The radar

The Robins AFB radar (KJGX), 73 km from the middle of the area, began a volume at 22:25 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 30, 6:35 PM EDT	TSTM WND DMG	Sparta, GA	THE HANCOCK COUNTY EMERGENCY MANAGER REPORTED A COUPLE OF PECAN TREES DOWN IN SPARTA.

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

The watch it was issued in

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

Issued	Product	Office	Lasted
Jun 30, 1:53 PM EDT	Severe Thunderstorm Watch	SPC	6 hr

The nearest sounding before it

Peachtre/Fal Fld, GA (KFFC), launched 12:00Z, 10.4 hours before the alert went out and 140 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: 713 J/kg
Mixed-layer CIN: -96 J/kg
Mixed-layer LCL: 1029 m above ground
0-6 km bulk shear: 30 kt
0-1 km storm-relative helicity: 76 m²/s²
0-3 km storm-relative helicity: 97 m²/s²
Significant tornado parameter: 0.1
Supercell composite: 1.4

Open this sounding in Storm Lab

The text

As transmitted, in the capitals the NWS used until 2016.

090 
WUUS52 KFFC 302225
SVRFFC
GAC141-302315-
/O.NEW.KFFC.SV.W.0232.150630T2225Z-150630T2315Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE PEACHTREE CITY GA
625 PM EDT TUE JUN 30 2015

THE NATIONAL WEATHER SERVICE IN PEACHTREE CITY HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  CENTRAL HANCOCK COUNTY IN EAST CENTRAL GEORGIA...

* UNTIL 715 PM EDT

* AT 624 PM EDT...A SEVERE THUNDERSTORM WAS LOCATED NEAR SPARTA...
  MOVING SOUTHEAST AT 20 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
  SPARTA AND CULVERTON. 

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 3326 8311 3334 8305 3331 8280 3314 8290
TIME...MOT...LOC 2224Z 292DEG 17KT 3330 8304 

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

1 follow-up statement

989 
WWUS52 KFFC 302252
SVSFFC

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE PEACHTREE CITY GA
652 PM EDT TUE JUN 30 2015

GAC141-302302-
/O.CAN.KFFC.SV.W.0232.000000T0000Z-150630T2315Z/
HANCOCK GA-
652 PM EDT TUE JUN 30 2015

...THE SEVERE THUNDERSTORM WARNING FOR CENTRAL HANCOCK 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.

A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL 800 PM EDT FOR
EAST CENTRAL GEORGIA.

LAT...LON 3326 8311 3334 8305 3331 8280 3314 8290
TIME...MOT...LOC 2251Z 292DEG 17KT 3325 8289 

$$

The office that day

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

Issued	Product	Office	Counties	Lasted
Jun 30, 7:57 AM EDT	Special Weather Statement	FFC	Fannin	33 min
Jun 30, 9:08 AM EDT	Special Weather Statement	FFC	Towns, Union	37 min
Jun 30, 9:49 AM EDT	Special Weather Statement	FFC	Whitfield	41 min
Jun 30, 10:07 AM EDT	Severe Thunderstorm Warning	FFC	Gilmer, Murray, Whitfield	38 min
Jun 30, 10:25 AM EDT	Special Weather Statement	FFC	Dawson, Gilmer, Pickens	50 min
Jun 30, 10:48 AM EDT	Special Weather Statement	FFC	Fannin	42 min
Jun 30, 10:51 AM EDT	Special Weather Statement	FFC	Murray	24 min
Jun 30, 11:15 AM EDT	Special Weather Statement	FFC	Union	30 min
Jun 30, 11:18 AM EDT	Special Weather Statement	FFC	Dawson	27 min
Jun 30, 11:54 AM EDT	Special Weather Statement	FFC	Towns, Union, White	36 min
Jun 30, 12:05 PM EDT	Special Weather Statement	FFC	Chattahoochee, Marion	25 min
Jun 30, 12:14 PM EDT	Special Weather Statement	FFC	Clayton, DeKalb	31 min
Jun 30, 12:19 PM EDT	Special Weather Statement	FFC	Dawson, Pickens	26 min
Jun 30, 12:23 PM EDT	Special Weather Statement	FFC	Banks	37 min
Jun 30, 12:30 PM EDT	Special Weather Statement	FFC	Marion, Schley	30 min
Jun 30, 12:32 PM EDT	Special Weather Statement	FFC	Talbot	28 min
Jun 30, 12:35 PM EDT	Severe Thunderstorm Warning	FFC	DeKalb, Fulton	40 min
Jun 30, 12:54 PM EDT	Special Weather Statement	FFC	Upson	36 min
Jun 30, 12:59 PM EDT	Special Weather Statement	FFC	Newton, Rockdale	31 min
Jun 30, 1:03 PM EDT	Special Weather Statement	FFC	Whitfield	27 min
Jun 30, 1:08 PM EDT	Severe Thunderstorm Warning	FFC	Newton, Rockdale, Walton	37 min
Jun 30, 1:17 PM EDT	Special Weather Statement	FFC	Dooly	28 min
Jun 30, 1:19 PM EDT	Special Weather Statement	FFC	Crawford, Peach	26 min
Jun 30, 1:22 PM EDT	Special Weather Statement	FFC	Glascock	23 min
Jun 30, 1:25 PM EDT	Special Weather Statement	FFC	Fannin, Gilmer, Union	50 min
Jun 30, 1:29 PM EDT	Special Weather Statement	FFC	Houston	31 min
Jun 30, 1:32 PM EDT	Special Weather Statement	FFC	Putnam	28 min
Jun 30, 1:41 PM EDT	Special Weather Statement	FFC	Clarke, Oconee	49 min
Jun 30, 1:44 PM EDT	Special Weather Statement	FFC	Crisp	31 min
Jun 30, 1:47 PM EDT	Special Weather Statement	FFC	Houston, Peach	28 min
Jun 30, 1:57 PM EDT	Special Weather Statement	FFC	Pulaski	33 min
Jun 30, 1:59 PM EDT	Special Weather Statement	FFC	Greene	31 min
Jun 30, 2:01 PM EDT	Special Weather Statement	FFC	Hall	29 min
Jun 30, 2:02 PM EDT	Special Weather Statement	FFC	Jefferson	28 min
Jun 30, 2:09 PM EDT	Special Weather Statement	FFC	Madison	36 min
Jun 30, 2:13 PM EDT	Special Weather Statement	FFC	Bleckley, Laurens, Twiggs	47 min
Jun 30, 2:21 PM EDT	Severe Thunderstorm Warning	FFC	Bleckley, Dodge, Laurens, Pulaski	39 min
Jun 30, 2:30 PM EDT	Special Weather Statement	FFC	Banks	30 min
Jun 30, 2:34 PM EDT	Special Weather Statement	FFC	Wilkes	26 min
Jun 30, 2:43 PM EDT	Special Weather Statement	FFC	Glascock	32 min
Jun 30, 2:45 PM EDT	Special Weather Statement	FFC	Johnson	45 min
Jun 30, 2:55 PM EDT	Special Weather Statement	FFC	Telfair, Wheeler	35 min
Jun 30, 3:18 PM EDT	Special Weather Statement	FFC	Montgomery, Wheeler	27 min
Jun 30, 3:28 PM EDT	Special Weather Statement	FFC	Emanuel, Treutlen	47 min
Jun 30, 4:41 PM EDT	Special Weather Statement	FFC	Jackson	34 min
Jun 30, 5:25 PM EDT	Special Weather Statement	FFC	Clarke, Oconee	35 min
Jun 30, 5:46 PM EDT	Special Weather Statement	FFC	Greene	29 min
Jun 30, 5:58 PM EDT	Severe Thunderstorm Warning	FFC	Greene, Hancock, Putnam	47 min

Nearby

Severe Thunderstorm Warnings in Georgia, 2015 Every severe thunderstorm warning in 2015

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.