Alert archive / Georgia / Severe Thunderstorm Warnings in 2007

Severe Thunderstorm Warning 281, NWS Atlanta, GA

July 19, 2007Jones County, Georgia

NWS Atlanta, GA issued this severe thunderstorm warning at Jul 19, 2007, 3:15 PM EDT for Jones County, Georgia. It was in force for 16 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: Jul 19, 2007, 3:15 PM EDT (19:15 UTC)
Expired: Jul 19, 2007, 3:31 PM EDT
In force: 16 min
Issued by: NWS Atlanta, GA
Area: Counties, with a storm outline in the text

County Jones County, GA

The radar

The Robins AFB radar (KJGX), 37 km from the middle of the area, began a volume at 19:17 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 nearest sounding before it

Peachtre/Fal Fld, GA (KFFC), launched 12:00Z, 7.3 hours before the alert went out and 103 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: 932 J/kg
Mixed-layer CIN: -37 J/kg
Mixed-layer LCL: 902 m above ground
0-6 km bulk shear: 16 kt
0-1 km storm-relative helicity: 40 m²/s²
0-3 km storm-relative helicity: 19 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

Open this sounding in Storm Lab

The text

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

000 
WUUS52 KFFC 191915
SVRFFC
GAC169-191945-
/O.NEW.KFFC.SV.W.0281.070719T1915Z-070719T1945Z/

BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE PEACHTREE CITY GA
315 PM EDT THU JUL 19 2007

THE NATIONAL WEATHER SERVICE IN PEACHTREE CITY HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  EASTERN JONES COUNTY IN CENTRAL GEORGIA

* UNTIL 345 PM EDT

* AT 315 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM CAPABLE OF PRODUCING PENNY SIZED HAIL...AND
  DAMAGING WINDS UP TO 60 MPH.  THIS STORM WAS LOCATED NEAR GRAY...
  MOVING EAST AT 30 MPH.

* OTHER LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO
  HADDOCK.

THIS IS A DANGEROUS STORM. IF YOU ARE IN ITS PATH...PREPARE
IMMEDIATELY FOR DAMAGING WINDS...DESTRUCTIVE HAIL...AND DEADLY CLOUD
TO GROUND LIGHTNING. PEOPLE OUTSIDE SHOULD MOVE TO A SHELTER...
PREFERABLY INSIDE A STRONG BUILDING AND AWAY FROM WINDOWS.

IF YOU SEE WIND DAMAGE...LARGE HAIL OR SIGNIFICANT 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.

LAT...LON 3304 8355 3290 8361 3290 8335 3307 8341

$$

1 follow-up statement

000 
WWUS52 KFFC 191931
SVSFFC

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE PEACHTREE CITY GA
329 PM EDT THU JUL 19 2007

GAC169-191939-
/O.CAN.KFFC.SV.W.0281.000000T0000Z-070719T1945Z/
JONES GA-
329 PM EDT THU JUL 19 2007

...THE SEVERE THUNDERSTORM WARNING FOR EASTERN JONES COUNTY IS
CANCELLED...

THE THUNDERSTORM HAS WEAKENED BELOW SEVERE LIMITS. HOWEVER...THE 
STORM REMAINS STRONG ENOUGH TO PRODUCE WIND GUSTS TO 45 MPH... 
FREQUENT CLOUD-TO-GROUND LIGHTNING AND HEAVY RAIN ACROSS  
EASTERN JONES COUNTY THROUGH 400 PM EDT. 

IF YOU SEE WIND DAMAGE...LARGE HAIL OR SIGNIFICANT FLOODING...WAIT
UNTIL AFTER 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.

LAT...LON 3304 8355 3290 8361 3290 8335 3307 8341

$$

The office that day

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

Issued	Product	Office	Counties	Lasted
Jul 19, 2:13 PM EDT	Severe Thunderstorm Warning	FFC	Spalding	23 min
Jul 19, 4:49 PM EDT	Severe Thunderstorm Warning	FFC	Dooly, Pulaski	56 min
Jul 19, 5:48 PM EDT	Severe Thunderstorm Warning	FFC	Wilcox	30 min
Jul 19, 5:57 PM EDT	Severe Thunderstorm Warning	FFC	Crisp	33 min

Nearby

Severe Thunderstorm Warnings in Georgia, 2007 Every severe thunderstorm warning in 2007

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.