Alert archive / Georgia / Severe Thunderstorm Warnings in 2003

Severe Thunderstorm Warning 365, NWS Atlanta, GA

July 21, 2003Dade County, Georgia

NWS Atlanta, GA issued this severe thunderstorm warning at Jul 21, 2003, 5:52 PM EDT for Dade County, Georgia. It was in force for 23 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 21, 2003, 5:52 PM EDT (21:52 UTC)
Expired
Jul 21, 2003, 6:15 PM EDT
In force
23 min
Issued by
NWS Atlanta, GA
Area
Counties, with a storm outline in the text

County Dade County, GA

The radar

The Northeast Alabama radar (KHTX), 54 km from the middle of the area, began a volume at 21:53 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
Jul 21, 2:45 PM EDTSevere Thunderstorm WatchSPC5 hr

The nearest sounding before it

Nashville Metro, TN (KBNA), launched 12:00Z, 9.9 hours before the alert went out and 176 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, Nashville Metro, TN at 12:00Z on 2003-07-21Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1467 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, Nashville Metro, TN at 12:00Z on 2003-07-21The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 42 square meters per square second.1939Sfc1 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
1467 J/kg
Mixed-layer CIN
-175 J/kg
Mixed-layer LCL
1108 m above ground
0-6 km bulk shear
17 kt
0-1 km storm-relative helicity
42 m²/s²
0-3 km storm-relative helicity
117 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 212152
SVRATL
GAC083-212215-

BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE PEACHTREE CITY GA
549 PM EDT MON JUL 21 2003

THE NATIONAL WEATHER SERVICE IN PEACHTREE CITY HAS ISSUED A

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

* UNTIL 615 PM EDT

* AT 443 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED
  A LINE OF SEVERE THUNDERSTORMS IN JACKSON COUNTY ALABAMA...JUST
  NORTHWEST OF DADE COUNTY FROM 17 MILES NORTH OF TRENTON TO 24
  MILES SOUTHWEST OF TRENTON...MOVING EAST AT 20 MPH.

* LOCATIONS IN OR NEAR THE PATH OF THESE STORMS INCLUDE TRENTON AND
  RISING FAWN.

THIS LINE OF THUNDERSTORMS HAS HAD A HISTORY OF PRODUCING DAMAGING 
WINDS WELL AHEAD OF THE RAIN AREA. WIND GUSTS OF 60 MPH MILES MAY 
OCCUR WITH THIS LINE OF THUNDERSTORMS...UP TO 15 MILES AHEAD OF THE 
HEAVY RAIN AREA.

GO TO A SAFE PLACE UNTIL THE STORMS HAVE PASSED. STAY AWAY FROM 
WINDOWS

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 3488 8543 3467 8548 3463 8553 3467 8556
          3481 8558 3491 8561 3499 8561 3500 8533

$$

RAB

The office that day

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

IssuedProductOfficeCountiesLasted
Jul 21, 5:57 PM EDTSevere Thunderstorm WarningFFCDade18 min
Jul 21, 5:57 PM EDTSevere Thunderstorm WarningFFCBanks, Hall48 min
Jul 21, 6:19 PM EDTSevere Thunderstorm WarningFFCDade, Walker26 min
Jul 21, 6:40 PM EDTSevere Thunderstorm WarningFFCJackson35 min
Jul 21, 7:09 PM EDTSevere Thunderstorm WarningFFCBanks21 min
Jul 21, 7:24 PM EDTSevere Thunderstorm WarningFFCWilkes36 min
Jul 21, 7:43 PM EDTSevere Thunderstorm WarningFFCEmanuel32 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.