Alert archive / Georgia / Tornado Warnings in 2004

Tornado Warning 69, NWS Jacksonville, FL

September 7, 2004Glynn County, Georgia

NWS Jacksonville, FL issued this tornado warning at Sep 7, 2004, 9:39 AM EDT for Glynn County, Georgia. It was in force for 66 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: Sep 7, 2004, 9:39 AM EDT (13:39 UTC)
Expired: Sep 7, 2004, 10:45 AM EDT
In force: 66 min
Issued by: NWS Jacksonville, FL
Area: Counties, with a storm outline in the text

County Glynn County, GA

The radar

The Jacksonville radar (KJAX), 84 km from the middle of the area, began a volume at 13:40 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

Charleston AFB, SC (KCHS), launched 12:00Z, 1.7 hours before the alert went out and 233 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: 2597 J/kg
Mixed-layer CIN: 0 J/kg
Mixed-layer LCL: 466 m above ground
0-6 km bulk shear: 0 kt
0-1 km storm-relative helicity: 0 m²/s²
0-3 km storm-relative helicity: 0 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.

262 
WFUS52 KJAX 071341
TORJAX
GAC127-071445-
/X.NEW.KJAX.TO.W.0049.040907T1339Z-040907T1445Z/

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE JACKSONVILLE FL
939 AM EDT TUE SEP 7 2004

THE NATIONAL WEATHER SERVICE IN JACKSONVILLE HAS ISSUED A

* TORNADO WARNING FOR...
  GLYNN COUNTY IN SOUTHEAST GEORGIA
  THIS INCLUDES THE CITIES OF...ST. SIMONS...DOCK JUNCTION           
  COUNTRY CLUB ESTATES...WEST BRUNSWICK

* UNTIL 1045 AM EDT

* AT 934 AM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  DEVELOPING TORNADO 17 MILES SOUTHWEST OF BRUNSWICK...OR ABOUT NEAR
  WAVERLY...MOVING NORTH AT 60 MPH.

* OTHER LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO      
  THALMANN...EVERETT...WEST BRUNSWICK

REPORT SEVERE WEATHER OR DAMAGE TO THE NEAREST LAW ENFORCEMENT AGENCY
OR YOUR COUNTY EMERGENCY MANAGEMENT...OR YOU CAN CALL THE NATIONAL
WEATHER SERVICE IN JACKSONVILLE DIRECTLY AT 800-499-1594 TO REPORT
SEVERE WEATHER.

LAT...LON 3120 8129 3113 8139 3115 8144 3112 8141
      3101 8142 3113 8156 3112 8163 3116 8175
      3140 8168 3146 8161 3126 8139 3132 8134
      3128 8125

$$

WELSH

The office that day

Everything else NWS Jacksonville, FL issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
Sep 6, 9:57 PM EDT	Tornado Warning	JAX	Wayne	18 min
Sep 7, 9:16 AM EDT	Tornado Warning	JAX	Camden	29 min
Sep 7, 1:48 PM EDT	Tornado Warning	JAX	Bacon	27 min
Sep 7, 3:20 PM EDT	Tornado Warning	JAX	Brantley	25 min
Sep 7, 3:52 PM EDT	Tornado Warning	JAX	Charlton	23 min
Sep 7, 4:29 PM EDT	Tornado Warning	JAX	Camden	46 min
Sep 7, 4:53 PM EDT	Tornado Warning	JAX	Charlton	22 min

Nearby

Tornado Warnings in Georgia, 2004 Every tornado warning in 2004 Tornadoes in 2004

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.