Alert archive / Georgia / Severe Thunderstorm Warnings in 2007

Severe Thunderstorm Warning 151, NWS Atlanta, GA

June 11, 2007Oglethorpe County, Georgia

NWS Atlanta, GA issued this severe thunderstorm warning at Jun 11, 2007, 5:35 PM EDT for Oglethorpe County, Georgia. It was in force for 25 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: Jun 11, 2007, 5:35 PM EDT (21:35 UTC)
Expired: Jun 11, 2007, 6:00 PM EDT
In force: 25 min
Issued by: NWS Atlanta, GA
Area: Counties, with a storm outline in the text

County Oglethorpe County, GA

The radar

The Robins AFB radar (KJGX), 133 km from the middle of the area, began a volume at 21:38 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 11, 5:42 PM EDT	HAIL 0.25	9 Ne Lexington, GA	HEAVY RAIN...PEA SIZE HAIL...AND GUSTY WINDS REPORTED ALONG HIGHWAY 77.
Jun 11, 5:55 PM EDT	TSTM WND DMG	7 Ese Lexington, GA	2 TREES WERE DOWN ALONG OLD CENTERVILLE ROAD...WINDS ESTIMATED AT 50 MPH

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 11, 1:31 PM EDT	Severe Thunderstorm Watch	SPC	10 hr

The nearest sounding before it

Peachtre/Fal Fld, GA (KFFC), launched 12:00Z, 9.6 hours before the alert went out and 150 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: 346 J/kg
Mixed-layer CIN: -129 J/kg
Mixed-layer LCL: 1138 m above ground
0-6 km bulk shear: 27 kt
0-1 km storm-relative helicity: -45 m²/s²
0-3 km storm-relative helicity: 11 m²/s²
Significant tornado parameter: 0.0
Supercell composite: -0.4

Open this sounding in Storm Lab

The text

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

000 
WUUS52 KFFC 112135
SVRFFC
GAC221-112200-
/O.NEW.KFFC.SV.W.0151.070611T2135Z-070611T2200Z/

BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE PEACHTREE CITY GA
535 PM EDT MON JUN 11 2007

THE NATIONAL WEATHER SERVICE IN PEACHTREE CITY HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  EASTERN OGLETHORPE COUNTY IN NORTHEAST GEORGIA

* UNTIL 600 PM EDT

* AT 532 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 SANDY
  CROSS...MOVING SOUTHEAST AT 15 MPH.

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

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.

A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL 1000 PM EDT
MONDAY EVENING FOR EASTERN GEORGIA.

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 3385 8292 3384 8296 3381 8296 3378 8299
      3372 8296 3369 8300 3388 8317 3399 8301
      3390 8290

$$

1 follow-up statement

000 
WWUS52 KFFC 112146
SVSFFC

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE PEACHTREE CITY GA
544 PM EDT MON JUN 11 2007

GAC221-112200-
/O.CON.KFFC.SV.W.0151.000000T0000Z-070611T2200Z/
OGLETHORPE GA-
544 PM EDT MON JUN 11 2007

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 600 PM EDT
FOR EASTERN OGLETHORPE COUNTY...

AT 541 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO 
INDICATE A SEVERE THUNDERSTORM. THIS STORM WAS LOCATED JUST 
SOUTHEAST OF SANDY CROSS...MOVING SOUTHEAST AT 15 MPH. 

A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL 1000 PM EDT 
MONDAY EVENING FOR EASTERN GEORGIA.

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 3385 8292 3384 8296 3381 8296 3378 8299
      3372 8296 3369 8300 3388 8317 3399 8301
      3390 8290

$$

The office that day

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

Issued	Product	Office	Counties	Lasted
Jun 11, 2:41 PM EDT	Severe Thunderstorm Warning	FFC	Washington	34 min
Jun 11, 3:03 PM EDT	Severe Thunderstorm Warning	FFC	Johnson	42 min
Jun 11, 3:42 PM EDT	Severe Thunderstorm Warning	FFC	Cherokee	48 min
Jun 11, 3:56 PM EDT	Severe Thunderstorm Warning	FFC	Bartow	34 min
Jun 11, 4:01 PM EDT	Severe Thunderstorm Warning	FFC	Pickens	29 min
Jun 11, 4:16 PM EDT	Severe Thunderstorm Warning	FFC	Dawson	31 min
Jun 11, 4:24 PM EDT	Severe Thunderstorm Warning	FFC	Haralson	38 min
Jun 11, 4:49 PM EDT	Severe Thunderstorm Warning	FFC	Treutlen	12 min
Jun 11, 4:54 PM EDT	Severe Thunderstorm Warning	FFC	Carroll	23 min
Jun 11, 5:51 PM EDT	Severe Thunderstorm Warning	FFC	Greene, Taliaferro, Wilkes	39 min
Jun 11, 5:59 PM EDT	Severe Thunderstorm Warning	FFC	Oglethorpe	16 min
Jun 11, 6:25 PM EDT	Severe Thunderstorm Warning	FFC	Hancock, Taliaferro	35 min
Jun 11, 6:29 PM EDT	Severe Thunderstorm Warning	FFC	DeKalb	29 min
Jun 11, 6:55 PM EDT	Severe Thunderstorm Warning	FFC	Hancock, Warren	35 min
Jun 11, 7:12 PM EDT	Severe Thunderstorm Warning	FFC	Glascock	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; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.