Alert archive / Georgia / Severe Thunderstorm Warnings in 2015

Severe Thunderstorm Warning 74, NWS Atlanta, GA

May 26, 2015Harris County, Georgia

NWS Atlanta, GA issued this severe thunderstorm warning at May 26, 2015, 3:29 PM EDT for Harris County, Georgia. It was in force for 46 min. 3 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: May 26, 2015, 3:29 PM EDT (19:29 UTC)
Expired: May 26, 2015, 4:15 PM EDT
In force: 46 min
Issued by: NWS Atlanta, GA
Area: Storm-based polygon
Hail: 0.88 in
Wind: 60.0 mph

County Harris County, GA

The radar

The Atlanta radar (KFFC), 74 km from the middle of the area, began a volume at 19:32 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
May 26, 3:30 PM EDT	TSTM WND DMG	Cataula, GA	NUMEROUS TREES DOWN IN THE FORTSON AND CATAULA AREAS...SOME ON ROOFS.
May 26, 3:32 PM EDT	TSTM WND DMG	2 Sw Rehobeth, GA	SEVERAL TREES DOWN ALONG AND ACROSS JONES ROAD AND BONACRE ROAD.
May 26, 3:37 PM EDT	TSTM WND DMG	Pine Mountain Valley, GA	NUMEROUS TREES WERE BLOWN DOWN IN PINE MOUNTAIN VALLEY.

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 77 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: 485 J/kg
Mixed-layer CIN: -24 J/kg
Mixed-layer LCL: 586 m above ground
0-6 km bulk shear: 23 kt
0-1 km storm-relative helicity: 130 m²/s²
0-3 km storm-relative helicity: 155 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 2.1

Open this sounding in Storm Lab

The text

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

371 
WUUS52 KFFC 261929
SVRFFC
GAC145-262015-
/O.NEW.KFFC.SV.W.0074.150526T1929Z-150526T2015Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE PEACHTREE CITY GA
329 PM EDT TUE MAY 26 2015

THE NATIONAL WEATHER SERVICE IN PEACHTREE CITY HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  HARRIS COUNTY IN WEST CENTRAL GEORGIA...

* UNTIL 415 PM EDT

* AT 328 PM EDT...A SEVERE THUNDERSTORM WAS LOCATED 7 MILES SOUTHWEST
  OF HAMILTON...MOVING NORTHEAST AT 35 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
  HAMILTON...PINE MOUNTAIN...WAVERLY HALL...PINE MOUNTAIN-CALLAWAY
  GARDENS...PINE MOUNTAIN VALLEY...F.D. ROOSEVELT STATE PARK...
  MOUNTAIN HILL...CATAULA...MULBERRY GROVE AND FORTSON.

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 3287 8491 3287 8475 3286 8475 3284 8470
      3283 8469 3274 8469 3258 8488 3258 8491
      3261 8491 3261 8501 3267 8509
TIME...MOT...LOC 1928Z 221DEG 32KT 3267 8495 

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

The office that day

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

Issued	Product	Office	Counties	Lasted
May 25, 8:01 PM EDT	Special Weather Statement	FFC	Spalding	29 min
May 25, 8:30 PM EDT	Special Weather Statement	FFC	Henry, Rockdale	30 min
May 25, 8:56 PM EDT	Special Weather Statement	FFC	DeKalb, Gwinnett	34 min
May 25, 9:30 PM EDT	Special Weather Statement	FFC	Barrow, Walton	30 min
May 25, 9:59 PM EDT	Special Weather Statement	FFC	Banks, Barrow, Hall, Jackson	31 min
May 26, 1:00 PM EDT	Special Weather Statement	FFC	Upson	30 min
May 26, 1:27 PM EDT	Special Weather Statement	FFC	Carroll	33 min
May 26, 1:31 PM EDT	Special Weather Statement	FFC	Lamar	29 min
May 26, 1:52 PM EDT	Special Weather Statement	FFC	Haralson	23 min
May 26, 2:04 PM EDT	Special Weather Statement	FFC	Bartow	26 min
May 26, 2:14 PM EDT	Flash Flood Warning	FFC	Carroll, Coweta, Douglas, Heard	6 hr
May 26, 2:16 PM EDT	Special Weather Statement	FFC	Carroll, Paulding	29 min
May 26, 2:37 PM EDT	Severe Thunderstorm Warning	FFC	Heard	38 min
May 26, 2:39 PM EDT	Special Weather Statement	FFC	Butts	36 min
May 26, 2:42 PM EDT	Special Weather Statement	FFC	Pickens	33 min
May 26, 2:43 PM EDT	Special Weather Statement	FFC	Webster	32 min
May 26, 2:45 PM EDT	Special Weather Statement	FFC	Upson	30 min
May 26, 2:48 PM EDT	Special Weather Statement	FFC	Carroll	27 min
May 26, 2:49 PM EDT	Special Weather Statement	FFC	Paulding	26 min
May 26, 2:51 PM EDT	Special Weather Statement	FFC	Chattahoochee	24 min
May 26, 3:15 PM EDT	Special Weather Statement	FFC	Muscogee	30 min
May 26, 3:16 PM EDT	Special Weather Statement	FFC	Cherokee, Pickens	29 min
May 26, 3:19 PM EDT	Special Weather Statement	FFC	Douglas	26 min
May 26, 3:21 PM EDT	Severe Thunderstorm Warning	FFC	Muscogee	24 min
May 26, 3:23 PM EDT	Special Weather Statement	FFC	Harris	37 min
May 26, 3:52 PM EDT	Severe Thunderstorm Warning	FFC	Coweta, Meriwether	23 min
May 26, 3:55 PM EDT	Severe Thunderstorm Warning	FFC	Meriwether, Pike	35 min
May 26, 3:59 PM EDT	Special Weather Statement	FFC	Dawson, Lumpkin	31 min
May 26, 4:05 PM EDT	Special Weather Statement	FFC	Forsyth	25 min
May 26, 4:16 PM EDT	Special Weather Statement	FFC	Clayton, Fayette, Henry, Pike, Spalding	29 min
May 26, 4:25 PM EDT	Severe Thunderstorm Warning	FFC	Clayton, DeKalb, Fayette, Fulton, Gwinnett, Henry and 2 more	50 min
May 26, 4:32 PM EDT	Special Weather Statement	FFC	Bibb, Crawford, Houston, Monroe, Peach	43 min
May 26, 4:39 PM EDT	Severe Thunderstorm Warning	FFC	Butts, Henry, Jasper, Newton, Rockdale, Spalding	51 min
May 26, 4:44 PM EDT	Special Weather Statement	FFC	Forsyth	31 min
May 26, 4:57 PM EDT	Special Weather Statement	FFC	Hall, White	33 min
May 26, 5:00 PM EDT	Special Weather Statement	FFC	Baldwin, Jasper, Jones, Putnam	30 min
May 26, 5:15 PM EDT	Severe Thunderstorm Warning	FFC	Barrow, Clarke, Greene, Jackson, Morgan, Newton and 4 more	45 min
May 26, 5:25 PM EDT	Severe Thunderstorm Warning	FFC	Greene, Jasper, Morgan, Putnam	50 min
May 26, 5:34 PM EDT	Special Weather Statement	FFC	Houston, Twiggs	26 min
May 26, 5:36 PM EDT	Special Weather Statement	FFC	White	24 min
May 26, 5:42 PM EDT	Special Weather Statement	FFC	Jones	33 min
May 26, 5:51 PM EDT	Special Weather Statement	FFC	Baldwin	24 min
May 26, 5:55 PM EDT	Special Weather Statement	FFC	Telfair	35 min
May 26, 6:00 PM EDT	Severe Thunderstorm Warning	FFC	Banks, Barrow, Clarke, Greene, Jackson, Madison and 3 more	45 min
May 26, 6:09 PM EDT	Special Weather Statement	FFC	Baldwin, Hancock	36 min
May 26, 6:19 PM EDT	Special Weather Statement	FFC	Wilkinson	26 min
May 26, 6:37 PM EDT	Special Weather Statement	FFC	Laurens	23 min
May 26, 7:12 PM EDT	Special Weather Statement	FFC	Laurens	33 min
May 26, 7:27 PM EDT	River Flood Warning	FFC	Forsyth	10 hr
May 26, 7:27 PM EDT	Special Weather Statement	FFC	Montgomery, Wheeler	33 min
May 26, 7:42 PM EDT	Special Weather Statement	FFC	Jefferson	33 min
May 26, 7:53 PM EDT	Special Weather Statement	FFC	Montgomery, Treutlen	37 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.