Alert archive / Georgia / Tornado Warnings in 2002

Tornado Warning 11, NWS Charleston, SC

December 24, 2002McIntosh County, Georgia

NWS Charleston, SC issued this tornado warning at Dec 24, 2002, 11:43 AM EST for McIntosh County, Georgia. It was in force for 47 min. 1 report came from inside the area while it was in force.

The area

The counties it named, with what was reported inside it.

The facts

Issued
Dec 24, 2002, 11:43 AM EST (16:43 UTC)
Expired
Dec 24, 2002, 12:30 PM EST
In force
47 min
Issued by
NWS Charleston, SC
Area
Whole counties

County McIntosh County, GA

The radar

The Jacksonville radar (KJAX), 115 km from the middle of the area, began a volume at 16:45 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

TimeReportWhereRemark
Dec 24, 12:15 PM ESTThunderstorm Wind 52 ECountywide, GANumerous trees, large limbs, and power lines were down across the county.

NCEI Storm Data entries that began inside the alert's area while it was in force. Before 2003 the local storm report archive is thin, so this is the record of what happened rather than what was phoned in.

The watch it was issued in

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

IssuedProductOfficeLasted
Dec 24, 9:20 AM ESTTornado WatchSPC5 hr

The nearest sounding before it

Jacksonville, FL (KJAX), launched 12:00Z, 4.7 hours before the alert went out and 114 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, Jacksonville, FL at 12:00Z on 2002-12-24Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 101 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, Jacksonville, FL at 12:00Z on 2002-12-24The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 251 square meters per square second.19395878Sfc1 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
101 J/kg
Mixed-layer CIN
-110 J/kg
Mixed-layer LCL
495 m above ground
0-6 km bulk shear
53 kt
0-1 km storm-relative helicity
251 m²/s²
0-3 km storm-relative helicity
285 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.9

Open this sounding in Storm Lab

The text

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

541 
WFUS52 KCHS 241643
TORCHS
GAC191-241730-

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE CHARLESTON SC
1145 AM EST TUE DEC 24 2002

THE NATIONAL WEATHER SERVICE IN CHARLESTON HAS ISSUED A

* TORNADO WARNING FOR...
  MCINTOSH COUNTY IN SOUTHEAST GEORGIA...

* UNTIL 1230 PM EST

* AT 1142 AM EST...RADAR INDICATED A SEVERE THUNDERSTORM CAPABLE OF
  PRODUCING A TORNADO 9 MILES WEST OF COX...OR ABOUT 13 MILES
  SOUTHEAST OF JESUP...MOVING EAST AT 40 MPH.

* SOME LOCATIONS NEAR THE PATH OF THIS TORNADO INCLUDE...
  COX.
  TOWNSEND...
  EULONIA...
  MERIDIAN.
  CARNIGAN...
  VALONA.
  SAPELO ISLAND...

IF YOU ARE IN THE PATH OF A TORNADO...THE SAFEST PLACE IN A HOME OR
BUSINESS IS AN INTERIOR ROOM OR HALLWAY ON THE LOWEST FLOOR POSSIBLE.
AVOID WINDOWS.

$$

The office that day

Everything else NWS Charleston, SC issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Dec 24, 10:34 AM ESTSevere Thunderstorm WarningCHSCandler41 min
Dec 24, 10:47 AM ESTSevere Thunderstorm WarningCHSTattnall43 min
Dec 24, 10:49 AM ESTSevere Thunderstorm WarningCHSTattnall41 min
Dec 24, 11:00 AM ESTSevere Thunderstorm WarningCHSBulloch, Evans45 min
Dec 24, 11:20 AM ESTSevere Thunderstorm WarningCHSLiberty, Long, Tattnall40 min
Dec 24, 11:31 AM ESTSevere Thunderstorm WarningCHSBryan, Effingham44 min
Dec 24, 12:14 PM ESTSevere Thunderstorm WarningCHSChatham, Liberty31 min

Nearby

Tornado Warnings in Georgia, 2002Every tornado warning in 2002Tornadoes in 2002

Sources

The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; verification from NCEI's Storm Data; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.