Alert archive / Georgia / Severe Thunderstorm Warnings in 2008

Severe Thunderstorm Warning 404, NWS Atlanta, GA

July 5, 2008Troup County, Georgia

NWS Atlanta, GA issued this severe thunderstorm warning at Jul 5, 2008, 5:30 PM EDT for Troup County, Georgia. It was in force for 29 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: Jul 5, 2008, 5:30 PM EDT (21:30 UTC)
Expired: Jul 5, 2008, 5:59 PM EDT
In force: 29 min
Issued by: NWS Atlanta, GA
Area: Storm-based polygon

County Troup County, GA

The radar

The Atlanta radar (KFFC), 48 km from the middle of the area, began a volume at 21:33 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
Jul 5, 5:35 PM EDT	HAIL 0.88	3 Wsw Harrisonville, GA

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, 9.5 hours before the alert went out and 53 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: 762 J/kg
Mixed-layer CIN: -77 J/kg
Mixed-layer LCL: 877 m above ground
0-6 km bulk shear: 19 kt
0-1 km storm-relative helicity: 64 m²/s²
0-3 km storm-relative helicity: 75 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 052129
SVRFFC
GAC285-052215-
/O.NEW.KFFC.SV.W.0404.080705T2130Z-080705T2215Z/

BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE PEACHTREE CITY GA
530 PM EDT SAT JUL 5 2008

THE NATIONAL WEATHER SERVICE IN PEACHTREE CITY HAS ISSUED A

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

* UNTIL 615 PM EDT

* AT 530 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM CAPABLE OF PRODUCING NICKEL SIZED HAIL...AND
  DAMAGING WINDS UP TO 60 MPH.  THIS STORM WAS LOCATED NEAR
  HARRISONVILLE...MOVING SOUTHEAST AT 15 MPH.

* OTHER LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO LA
  GRANGE AND HOGANSVILLE.

IN ADDITION TO LARGE HAIL AND DAMAGING WINDS...CONTINUOUS CLOUD TO
GROUND LIGHTNING IS OCCURRING WITH THIS STORM. MOVE INDOORS
IMMEDIATELY LIGHTNING IS ONE OF NATURES NUMBER ONE KILLERS.
REMEMBER...IF YOU CAN HEAR THUNDER...YOU ARE CLOSE ENOUGH TO BE
STRUCK BY LIGHTNING.

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 3317 8486 3293 8487 3294 8514 3314 8518
      3321 8488
TIME...MOT...LOC 2130Z 310DEG 13KT 3313 8505

$$

1 follow-up statement

000 
WWUS52 KFFC 052159
SVSFFC

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE PEACHTREE CITY GA
557 PM EDT SAT JUL 5 2008

GAC285-052207-
/O.CAN.KFFC.SV.W.0404.000000T0000Z-080705T2215Z/
TROUP GA-
557 PM EDT SAT JUL 5 2008

...THE SEVERE THUNDERSTORM WARNING FOR TROUP COUNTY IS CANCELLED...

AT 555 PM EDT DOPPLER RADAR SHOWED A STRONG THUNDERSTORM NEAR LA GRANGE.

HOWEVER...THIS THUNDERSTORM HAS WEAKENED AND IS NO LONGER EXPECTED TO 
PRODUCE DAMAGING WIND OR LARGE HAIL. GUSTY WINDS UP TO 40 MPH...
HEAVY RAIN...AND SMALL HAIL ARE STILL POSSIBLE WITH THIS STORM.

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 3317 8486 3293 8487 3294 8514 3314 8518
      3321 8488
TIME...MOT...LOC 2157Z 310DEG 13KT 3307 8496

$$

The office that day

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

Issued	Product	Office	Counties	Lasted
Jul 5, 1:51 PM EDT	Severe Thunderstorm Warning	FFC	Henry, Morgan, Newton, Rockdale, Walton	39 min
Jul 5, 1:57 PM EDT	Severe Thunderstorm Warning	FFC	Butts, Henry, Newton	29 min
Jul 5, 2:15 PM EDT	Severe Thunderstorm Warning	FFC	Dooly, Houston, Macon, Pulaski	45 min
Jul 5, 2:37 PM EDT	Severe Thunderstorm Warning	FFC	Macon	8 min
Jul 5, 2:40 PM EDT	Severe Thunderstorm Warning	FFC	Sumter, Webster	28 min
Jul 5, 2:47 PM EDT	Severe Thunderstorm Warning	FFC	Dooly, Houston, Macon, Peach, Pulaski	23 min
Jul 5, 2:51 PM EDT	Severe Thunderstorm Warning	FFC	Bleckley, Dodge, Pulaski, Wilcox	28 min
Jul 5, 3:27 PM EDT	Severe Thunderstorm Warning	FFC	Lamar, Monroe, Upson	48 min
Jul 5, 3:39 PM EDT	Severe Thunderstorm Warning	FFC	Greene, Hancock, Taliaferro, Warren, Wilkes	30 min
Jul 5, 3:54 PM EDT	Severe Thunderstorm Warning	FFC	Butts, Jasper, Jones, Monroe	51 min
Jul 5, 4:02 PM EDT	Severe Thunderstorm Warning	FFC	Dodge, Laurens, Telfair, Wheeler	26 min
Jul 5, 4:06 PM EDT	Severe Thunderstorm Warning	FFC	Baldwin, Glascock, Hancock, Washington, Wilkinson	39 min
Jul 5, 4:52 PM EDT	Severe Thunderstorm Warning	FFC	Chattahoochee, Muscogee	38 min
Jul 5, 4:59 PM EDT	Severe Thunderstorm Warning	FFC	Jefferson	31 min
Jul 5, 5:33 PM EDT	Severe Thunderstorm Warning	FFC	Montgomery, Toombs, Wheeler	42 min

Nearby

Severe Thunderstorm Warnings in Georgia, 2008 Every severe thunderstorm warning in 2008

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.