Alert archive / Georgia / Severe Thunderstorm Warnings in 2007

Severe Thunderstorm Warning 95, NWS Atlanta, GA

May 5, 2007Montgomery County, Georgia

NWS Atlanta, GA issued this severe thunderstorm warning at May 5, 2007, 9:52 PM EDT for Montgomery County, Georgia. It was in force for 42 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: May 5, 2007, 9:52 PM EDT (01:52 UTC)
Expired: May 5, 2007, 10:34 PM EDT
In force: 42 min
Issued by: NWS Atlanta, GA
Area: Counties, with a storm outline in the text

County Montgomery County, GA

The radar

The Robins AFB radar (KJGX), 98 km from the middle of the area, began a volume at 01:55 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

Jacksonville, FL (KJAX), launched 00:00Z, 1.9 hours before the alert went out and 198 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: 1207 J/kg
Mixed-layer CIN: -66 J/kg
Mixed-layer LCL: 899 m above ground
0-6 km bulk shear: 38 kt
0-1 km storm-relative helicity: 5 m²/s²
0-3 km storm-relative helicity: 148 m²/s²
Significant tornado parameter: -0.1
Supercell composite: -1.1

Open this sounding in Storm Lab

The text

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

000 
WUUS52 KFFC 060152
SVRFFC
GAC209-060245-
/O.NEW.KFFC.SV.W.0095.070506T0152Z-070506T0245Z/

BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE PEACHTREE CITY GA
952 PM EDT SAT MAY 5 2007

THE NATIONAL WEATHER SERVICE IN PEACHTREE CITY HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  MONTGOMERY COUNTY IN CENTRAL GEORGIA

* UNTIL 1045 PM EDT

* AT 950 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM CAPABLE OF PRODUCING NICKEL SIZED HAIL.  THIS
  STORM WAS LOCATED NEAR AILEY...MOVING SOUTHEAST AT 15 MPH.

* OTHER LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO
  ALSTON AND UVALDA.

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 3224 8253 3223 8264 3197 8256 3197 8248
      3216 8245

$$

2 follow-up statements

000 
WWUS52 KFFC 060210
SVSFFC

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE PEACHTREE CITY GA
1010 PM EDT SAT MAY 5 2007

GAC209-060245-
/O.CON.KFFC.SV.W.0095.000000T0000Z-070506T0245Z/
MONTGOMERY GA-
1010 PM EDT SAT MAY 5 2007

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 1045 PM EDT 
FOR MONTGOMERY COUNTY...

AT 1006 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO
INDICATE A SEVERE THUNDERSTORM. THIS STORM WAS LOCATED NEAR AILEY...
MOVING SOUTHEAST AT 15 MPH.

OTHER LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO MOUNT 
VERNON...ALSTON AND UVALDA.

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 3224 8253 3223 8264 3197 8256 3197 8248
      3216 8245

$$

000 
WWUS52 KFFC 060234
SVSFFC

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE PEACHTREE CITY GA
1034 PM EDT SAT MAY 5 2007

GAC209-060244-
/O.CAN.KFFC.SV.W.0095.000000T0000Z-070506T0245Z/
MONTGOMERY GA-
1034 PM EDT SAT MAY 5 2007

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

THE THUNDERSTORM HAS WEAKENED AND IS NO LONGER EXPECTED TO PRODUCE 
SEVERE WEATHER. HOWEVER...STRONG GUSTY WINDS UP TO 45 MPH...VERY 
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 3224 8253 3223 8264 3197 8256 3197 8248
      3216 8245

$$

The office that day

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

Issued	Product	Office	Counties	Lasted
May 5, 8:15 PM EDT	Severe Thunderstorm Warning	FFC	Laurens	30 min
May 5, 8:26 PM EDT	Severe Thunderstorm Warning	FFC	Dodge	49 min
May 5, 9:04 PM EDT	Severe Thunderstorm Warning	FFC	Telfair	41 min
May 5, 9:07 PM EDT	Severe Thunderstorm Warning	FFC	Emanuel, Johnson	38 min
May 5, 9:11 PM EDT	Severe Thunderstorm Warning	FFC	Laurens, Wheeler	49 min
May 5, 9:40 PM EDT	Severe Thunderstorm Warning	FFC	Emanuel	65 min
May 6, 5:37 AM EDT	Severe Thunderstorm Warning	FFC	Pike, Upson	23 min
May 6, 2:01 PM EDT	Red Flag Warning	FFC	Baldwin, Banks, Barrow, Bartow, Bibb, Bleckley and 90 more	30 hr

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.