Alert archive / Georgia / Severe Thunderstorm Warnings in 2015

Severe Thunderstorm Warning 69, NWS Atlanta, GA

April 25, 20155 counties in Georgia

NWS Atlanta, GA issued this severe thunderstorm warning at Apr 25, 2015, 8:42 PM EDT for 5 counties in Georgia. It was in force for 48 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
Apr 25, 2015, 8:42 PM EDT (00:42 UTC)
Expired
Apr 25, 2015, 9:30 PM EDT
In force
48 min
Issued by
NWS Atlanta, GA
Area
Storm-based polygon
Hail
0.75 in
Wind
60.0 mph

Counties Jasper County, GA, Jones County, GA, Lamar County, GA, Monroe County, GA, Pike County, GA

The radar

The Atlanta radar (KFFC), 68 km from the middle of the area, began a volume at 00:42 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

TimeReportWhereRemark
Apr 25, 8:50 PM EDTTSTM WND DMGHigh Falls, GAA TREE WAS BLOWN DOWN ON BOXANKLE RD
Apr 25, 8:50 PM EDTTSTM WND DMGHigh Falls, GATREES WERE REPORTED DOWN ON BOXANKLE RD

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.

IssuedProductOfficeLasted
Apr 25, 5:38 PM EDTSevere Thunderstorm WatchSPC5 hr

The nearest sounding before it

Peachtre/Fal Fld, GA (KFFC), launched 00:00Z, 0.7 hours before the alert went out and 63 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-pSkew-T log-p diagram, Peachtre/Fal Fld, GA at 00:00Z on 2015-04-26Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1037 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Peachtre/Fal Fld, GA at 00:00Z on 2015-04-26The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 120 square meters per square second.1939587897117Sfc1 km3 km6 km9 kmRMLM
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
1037 J/kg
Mixed-layer CIN
-7 J/kg
Mixed-layer LCL
889 m above ground
0-6 km bulk shear
60 kt
0-1 km storm-relative helicity
120 m²/s²
0-3 km storm-relative helicity
184 m²/s²
Significant tornado parameter
0.8
Supercell composite
3.6

Open this sounding in Storm Lab

The text

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

816 
WUUS52 KFFC 260042
SVRFFC
GAC159-169-171-207-231-260130-
/O.NEW.KFFC.SV.W.0069.150426T0042Z-150426T0130Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE PEACHTREE CITY GA
842 PM EDT SAT APR 25 2015

THE NATIONAL WEATHER SERVICE IN PEACHTREE CITY HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  MONROE COUNTY IN CENTRAL GEORGIA...
  EAST CENTRAL PIKE COUNTY IN WEST CENTRAL GEORGIA...
  NORTHWESTERN JONES COUNTY IN CENTRAL GEORGIA...
  SOUTH CENTRAL JASPER COUNTY IN CENTRAL GEORGIA...
  CENTRAL LAMAR COUNTY IN WEST CENTRAL GEORGIA...

* UNTIL 930 PM EDT

* AT 842 PM EDT...SEVERE THUNDERSTORMS WERE LOCATED ALONG A LINE
  EXTENDING FROM 8 MILES EAST OF ORCHARD HILL TO MILNER...MOVING EAST
  AT 45 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
  BARNESVILLE...FORSYTH...ZEBULON...MILNER...ALDORA...JULIETTE...
  COLLIER...BLOUNT...JARRELL PLANTATION...BERNER...DAMES FERRY...
  JOHNSTONVILLE...GOGGINS...HILLSBORO...BOLINGBROKE...PLANT
  SCHERER...HIGH FALLS STATE PARK AND LIBERTY HILL.

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 3319 8406 3319 8384 3318 8382 3319 8381
      3319 8362 3293 8374 3292 8376 3308 8435
TIME...MOT...LOC 0042Z 277DEG 41KT 3316 8406 3311 8419 

HAIL...<.75IN
WIND...60MPH
 
$$
2 follow-up statements
115 
WWUS52 KFFC 260055
SVSFFC

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE PEACHTREE CITY GA
855 PM EDT SAT APR 25 2015

GAC231-260104-
/O.CAN.KFFC.SV.W.0069.000000T0000Z-150426T0130Z/
PIKE GA-
855 PM EDT SAT APR 25 2015

...THE SEVERE THUNDERSTORM WARNING FOR EAST CENTRAL PIKE COUNTY IS
CANCELLED...

THE STORMS WHICH PROMPTED THE WARNING HAVE MOVED OUT OF THE WARNED 
AREA. THEREFORE THE WARNING HAS BEEN CANCELLED.

A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL 1100 PM EDT FOR
WEST CENTRAL GEORGIA.

LAT...LON 3319 8406 3319 8384 3318 8382 3319 8381
      3319 8362 3293 8374 3292 8376 3306 8424
      3312 8418
TIME...MOT...LOC 0054Z 277DEG 41KT 3314 8391 3309 8404 

$$

GAC159-169-171-207-260130-
/O.CON.KFFC.SV.W.0069.000000T0000Z-150426T0130Z/
MONROE GA-JONES GA-JASPER GA-LAMAR GA-
855 PM EDT SAT APR 25 2015

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 930 PM EDT
FOR MONROE...NORTHWESTERN JONES...SOUTH CENTRAL JASPER AND NORTHERN
LAMAR COUNTIES...

AT 854 PM EDT...SEVERE THUNDERSTORMS WERE LOCATED ALONG A LINE
EXTENDING FROM 7 MILES SOUTH OF FLOVILLA TO 7 MILES NORTHWEST OF
FORSYTH...MOVING EAST AT 45 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
BARNESVILLE...FORSYTH...MILNER...ALDORA...JULIETTE...COLLIER...
BLOUNT...JARRELL PLANTATION...BERNER...DAMES FERRY...JOHNSTONVILLE...
GOGGINS...HILLSBORO...BOLINGBROKE...PLANT SCHERER AND HIGH FALLS
STATE PARK.

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 3319 8406 3319 8384 3318 8382 3319 8381
      3319 8362 3293 8374 3292 8376 3306 8424
      3312 8418
TIME...MOT...LOC 0054Z 277DEG 41KT 3314 8391 3309 8404 

HAIL...<.75IN
WIND...60MPH
 
$$
836 
WWUS52 KFFC 260104
SVSFFC

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE PEACHTREE CITY GA
904 PM EDT SAT APR 25 2015

GAC159-169-171-207-260130-
/O.CON.KFFC.SV.W.0069.000000T0000Z-150426T0130Z/
MONROE GA-JONES GA-JASPER GA-LAMAR GA-
904 PM EDT SAT APR 25 2015

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 930 PM EDT
FOR NORTHERN MONROE...NORTHWESTERN JONES...SOUTH CENTRAL JASPER AND
NORTHEASTERN LAMAR COUNTIES...

AT 904 PM EDT...SEVERE THUNDERSTORMS WERE LOCATED ALONG A LINE
EXTENDING FROM 9 MILES SOUTHEAST OF FLOVILLA TO NEAR FORSYTH...MOVING
EAST AT 45 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
JULIETTE...BLOUNT...HILLSBORO...BERNER...HIGH FALLS STATE PARK AND
JOHNSTONVILLE.

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 3319 8406 3319 8384 3318 8382 3319 8381
      3319 8362 3310 8367 3307 8376 3305 8403
      3309 8410
TIME...MOT...LOC 0104Z 277DEG 41KT 3313 8381 3308 8394 

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

The office that day

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

IssuedProductOfficeCountiesLasted
Apr 25, 8:00 PM EDTSevere Thunderstorm WarningFFCGlascock, Hancock, Jefferson, Washington45 min
Apr 25, 8:03 PM EDTSpecial Weather StatementFFCTaliaferro, Warren42 min
Apr 25, 8:29 PM EDTSpecial Weather StatementFFCMonroe31 min
Apr 25, 8:32 PM EDTSpecial Weather StatementFFCLamar, Pike28 min
Apr 25, 8:40 PM EDTSpecial Weather StatementFFCMontgomery, Toombs35 min
Apr 25, 8:45 PM EDTSpecial Weather StatementFFCGlascock30 min
Apr 25, 11:30 PM EDTRiver Flood WarningFFCWashington, Wilkinson7 days
Apr 26, 1:23 AM EDTSpecial Weather StatementFFCChattooga, Gordon37 min
Apr 26, 3:28 AM EDTSpecial Weather StatementFFCCatoosa, Dade, Fannin, Murray, Whitfield47 min
Apr 26, 4:07 AM EDTSpecial Weather StatementFFCGilmer, Murray, Walker, Whitfield38 min

Nearby

Severe Thunderstorm Warnings in Georgia, 2015Every 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.