Alert archive / Georgia / Severe Thunderstorm Warnings in 2003

Severe Thunderstorm Warning 53, NWS Atlanta, GA

March 19, 2003Chattooga County, Georgia

NWS Atlanta, GA issued this severe thunderstorm warning at Mar 19, 2003, 4:59 PM EST for Chattooga County, Georgia. It was in force for 46 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
Mar 19, 2003, 4:59 PM EST (21:59 UTC)
Expired
Mar 19, 2003, 5:45 PM EST
In force
46 min
Issued by
NWS Atlanta, GA
Area
Counties, with a storm outline in the text

County Chattooga County, GA

The radar

The Northeast Alabama radar (KHTX), 82 km from the middle of the area, began a volume at 21:58 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 watch it was issued in

The SPC watch in force over the same counties when this warning went out.

IssuedProductOfficeLasted
Mar 19, 12:30 PM ESTTornado WatchSPC7 hr

The nearest sounding before it

Peachtre/Fal Fld, GA (KFFC), launched 12:00Z, 10.0 hours before the alert went out and 145 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 12:00Z on 2003-03-19Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 21 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 12:00Z on 2003-03-19The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 417 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
21 J/kg
Mixed-layer CIN
-267 J/kg
Mixed-layer LCL
479 m above ground
0-6 km bulk shear
39 kt
0-1 km storm-relative helicity
417 m²/s²
0-3 km storm-relative helicity
730 m²/s²
Significant tornado parameter
0.0
Supercell composite
3.5

Open this sounding in Storm Lab

The text

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

000 
WUUS52 KFFC 192159
SVRATL
GAC055-192245-

BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE PEACHTREE CITY GA
459 PM EST WED MAR 19 2003

THE NATIONAL WEATHER SERVICE IN PEACHTREE CITY HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  CHATTOOGA COUNTY IN NORTHWEST GEORGIA

* UNTIL 545 PM EST

* AT 358 PM CST...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM 5 MILES SOUTHWEST OF LYERLY...MOVING NORTHEAST
  AT 30 MPH.

* LOCATIONS IN OR NEAR THE PATH OF THIS STORM INCLUDE...LYERLY...
MENLO...SUMMERVILLE AND TRION.

A TORNADO WATCH IS IN EFFECT FOR THE WARNED AREA. SEVERE
THUNDERSTORMS CAN PRODUCE DAMAGING WINDS IN EXCESS OF 58
MPH..DESTRUCTIVE HAIL...DEADLY LIGHTNING...VERY HEAVY RAIN...AND
POSSIBLY TORNADOES. IF THIS STORM APPROACHES YOU...MOVE TO AN
INTERIOR ROOM ON THE LOWEST FLOOR.

SEVERE THUNDERSTORMS CAN PRODUCE TORNADOES SUDDENLY. IF YOU ARE NEAR
THE PATH OF THIS STORM...YOU SHOULD BE ALERT FOR RAPIDLY CHANGING
WEATHER CONDITIONS AND BE READY TO ACT QUICKLY

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 3436 8564 3423 8549 3448 8515 3460 8536

$$

The office that day

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

IssuedProductOfficeCountiesLasted
Mar 19, 10:20 AM ESTSevere Thunderstorm WarningFFCCatoosa25 min
Mar 19, 10:40 AM ESTSevere Thunderstorm WarningFFCWalker35 min
Mar 19, 10:52 AM ESTSevere Thunderstorm WarningFFCCatoosa23 min
Mar 19, 2:25 PM ESTTornado WarningFFCDade35 min
Mar 19, 2:57 PM ESTTornado WarningFFCDade33 min
Mar 19, 3:29 PM ESTTornado WarningFFCDade, Walker31 min
Mar 19, 3:41 PM ESTTornado WarningFFCChattooga34 min
Mar 19, 4:14 PM ESTSevere Thunderstorm WarningFFCChattooga31 min
Mar 19, 5:07 PM ESTSevere Thunderstorm WarningFFCMurray, Whitfield38 min
Mar 19, 5:27 PM ESTSevere Thunderstorm WarningFFCHaralson, Polk33 min
Mar 19, 5:44 PM ESTTornado WarningFFCHaralson, Polk46 min
Mar 19, 5:46 PM ESTTornado WarningFFCHaralson, Polk44 min
Mar 19, 5:49 PM ESTSevere Thunderstorm WarningFFCHeard41 min
Mar 19, 5:57 PM ESTTornado WarningFFCChattahoochee33 min
Mar 19, 5:59 PM ESTTornado WarningFFCChattahoochee31 min
Mar 19, 6:06 PM ESTTornado WarningFFCHeard24 min
Mar 19, 6:10 PM ESTTornado WarningFFCPolk35 min
Mar 19, 6:26 PM ESTTornado WarningFFCCoweta, Heard49 min
Mar 19, 6:32 PM ESTTornado WarningFFCChattahoochee, Marion28 min
Mar 19, 6:45 PM ESTSevere Thunderstorm WarningFFCTroup30 min
Mar 19, 6:58 PM ESTTornado WarningFFCMarion32 min

Nearby

Severe Thunderstorm Warnings in Georgia, 2003Every severe thunderstorm warning in 2003

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.