Alert archive / Georgia / Severe Thunderstorm Warnings in 2014

Severe Thunderstorm Warning 113, NWS Charleston, SC

November 23, 2014Chatham County, Effingham County, Georgia; Beaufort County, Jasper County, South Carolina

NWS Charleston, SC issued this severe thunderstorm warning at Nov 23, 2014, 8:45 PM EST for Chatham County, Effingham County, Georgia; Beaufort County, Jasper County, South Carolina. It was in force for 45 min. 1 report came from inside the area while it was in force.

The area

The outline as issued, with what was reported inside it.

The facts

Issued
Nov 23, 2014, 8:45 PM EST (01:45 UTC)
Expired
Nov 23, 2014, 9:30 PM EST
In force
45 min
Issued by
NWS Charleston, SC
Area
Storm-based polygon

Counties Chatham County, GA, Effingham County, GA, Beaufort County, SC, Jasper County, SC

The radar

The Charleston,SC radar (KCLX), 55 km from the middle of the area, began a volume at 01:49 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
Nov 23, 8:50 PM ESTTSTM WND DMG1 W Windsor Forest, GAA TRAINED WEATHER SPOTTER REPORTED A TREE BLOCKING THE ROAD NEAR THE DIAMOND CAUSEWAY. TIME ESTIMATED BASED ON RADAR.

Local storm reports filed while the alert was in force, from inside its polygon or its counties.

The watch it was issued in

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

IssuedProductOfficeLasted
Nov 23, 7:33 PM ESTTornado WatchSPC3 hr

The nearest sounding before it

Charleston AFB, SC (KCHS), launched 00:00Z, 1.8 hours before the alert went out and 107 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, Charleston AFB, SC at 00:00Z on 2014-11-24Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 161 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, Charleston AFB, SC at 00:00Z on 2014-11-24The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 220 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
161 J/kg
Mixed-layer CIN
-37 J/kg
Mixed-layer LCL
536 m above ground
0-6 km bulk shear
56 kt
0-1 km storm-relative helicity
220 m²/s²
0-3 km storm-relative helicity
266 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.7

Open this sounding in Storm Lab

The text

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

591 
WUUS52 KCHS 240145
SVRCHS
GAC051-103-SCC013-053-240245-
/O.NEW.KCHS.SV.W.0113.141124T0145Z-141124T0245Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE CHARLESTON SC
845 PM EST SUN NOV 23 2014

THE NATIONAL WEATHER SERVICE IN CHARLESTON HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR PORTIONS OF...
  EFFINGHAM COUNTY IN SOUTHEAST GEORGIA...
  JASPER COUNTY IN SOUTHEAST SOUTH CAROLINA...
  CHATHAM COUNTY IN SOUTHEAST GEORGIA...
  BEAUFORT COUNTY IN SOUTHEAST SOUTH CAROLINA...

* UNTIL 945 PM EST

* AT 844 PM EST...METEOROLOGISTS DETECTED A SEVERE THUNDERSTORM...
  NEAR POOLER...MOVING NORTHEAST AT 50 MPH.

  PREPARE NOW FOR...
  DAMAGING WINDS IN EXCESS OF 60 MPH...

* SOME LOCATIONS IN THE WARNING INCLUDE...
  MONTEITH...MEINHARD...PURYSBURGH...BELLINGER HILL AREA...
  HARDEEVILLE...PRITCHARDVILLE...SUN CITY...BLUFFTON...JASPER...
  CALAWASSIE ISLAND...

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A TORNADO WATCH IS ALSO IN EFFECT. SEVERE THUNDERSTORMS CAN PRODUCE
TORNADOES SUDDENLY...SOMETIMES WITH LITTLE OR NO WARNING. IF YOU SEE
OR HEAR A TORNADO...MOVE QUICKLY TO AN INTERIOR ROOM IN A STURDY
STRUCTURE.

&&

LAT...LON 3222 8131 3266 8076 3231 8050 3228 8055
      3227 8060 3225 8061 3226 8065 3224 8064
      3225 8063 3222 8063 3221 8066 3221 8068
      3216 8072 3210 8083 3212 8083 3204 8090
      3199 8109 3193 8120
TIME...MOT...LOC 0144Z 230DEG 45KT 3220 8117

$$
3 follow-up statements
800 
WWUS52 KCHS 240200
SVSCHS

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE CHARLESTON SC
900 PM EST SUN NOV 23 2014

GAC051-103-240210-
/O.CAN.KCHS.SV.W.0113.000000T0000Z-141124T0245Z/
EFFINGHAM GA-CHATHAM GA-
900 PM EST SUN NOV 23 2014

...THE SEVERE THUNDERSTORM WARNING FOR PORTIONS OF EFFINGHAM AND
CHATHAM COUNTIES HAS BEEN CANCELLED...

A TORNADO WATCH REMAINS IN EFFECT UNTIL 100 AM EST MONDAY MORNING FOR
SOUTHEAST GEORGIA AND SOUTHEAST SOUTH CAROLINA.

LAT...LON 3213 8103 3237 8112 3266 8076 3231 8050
      3228 8055 3227 8060 3225 8061 3226 8065
      3224 8064 3225 8063 3222 8063 3221 8066
      3221 8068 3216 8072 3210 8083 3212 8083
      3204 8090
TIME...MOT...LOC 0200Z 230DEG 45KT 3232 8098

$$

SCC013-053-240245-
/O.CON.KCHS.SV.W.0113.000000T0000Z-141124T0245Z/
JASPER SC-BEAUFORT SC-
900 PM EST SUN NOV 23 2014

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 945 PM EST
FOR PORTIONS OF JASPER AND BEAUFORT COUNTIES...

AT 900 PM EST...NATIONAL WEATHER SERVICE METEOROLOGISTS CONTINUED TO
DETECT A SEVERE THUNDERSTORM NEAR SUN CITY...MOVING NORTHEAST AT 50
MPH.

PREPARE NOW FOR THE FOLLOWING HAZARDS...
DAMAGING WINDS IN EXCESS OF 60 MPH...

SOME LOCATIONS IN OR NEAR THE PATH OF THIS STORM INCLUDE...
BLUFFTON...BURTON...DALE...FOLLY FIELD...GARDENS CORNER...
GRAHAMVILLE...HARDEEVILLE...HILTON HEAD ISLAND...JASPER...LAUREL
BAY...OLD HOUSE...PARRIS ISLAND...PORT ROYAL...PRITCHARDVILLE...
RIDGELAND...SHELDON...SWITZERLAND...BEAUFORT...BEAUFORT MARINE CORPS
AIR STATION...BELLINGER HILL AREA...CALAWASSIE ISLAND...CLARENDON...
HILTON HEAD AIRPORT...LADYS ISLAND...LEMON ISLAND...ROSE HILL...SHELL
POINT AND SUN CITY.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A TORNADO WATCH IS ALSO IN EFFECT. SEVERE THUNDERSTORMS CAN PRODUCE
TORNADOES SUDDENLY...SOMETIMES WITH LITTLE OR NO WARNING. IF YOU SEE
OR HEAR A TORNADO...MOVE QUICKLY TO AN INTERIOR ROOM IN A STURDY
STRUCTURE.

&&

LAT...LON 3213 8103 3237 8112 3266 8076 3231 8050
      3228 8055 3227 8060 3225 8061 3226 8065
      3224 8064 3225 8063 3222 8063 3221 8066
      3221 8068 3216 8072 3210 8083 3212 8083
      3204 8090
TIME...MOT...LOC 0200Z 230DEG 45KT 3232 8098

$$
757 
WWUS52 KCHS 240221
SVSCHS

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE CHARLESTON SC
921 PM EST SUN NOV 23 2014

SCC053-240231-
/O.CAN.KCHS.SV.W.0113.000000T0000Z-141124T0245Z/
JASPER SC-
921 PM EST SUN NOV 23 2014

...THE SEVERE THUNDERSTORM WARNING FOR PORTIONS OF JASPER COUNTY HAS
BEEN CANCELLED...

A TORNADO WATCH REMAINS IN EFFECT UNTIL 100 AM EST MONDAY MORNING FOR
SOUTHEAST GEORGIA AND SOUTHEAST SOUTH CAROLINA.

LAT...LON 3224 8077 3237 8082 3240 8084 3241 8083
      3241 8085 3242 8085 3246 8083 3246 8082
      3249 8082 3252 8084 3266 8076 3232 8050
      3229 8057
TIME...MOT...LOC 0221Z 230DEG 45KT 3248 8073

$$

SCC013-240245-
/O.CON.KCHS.SV.W.0113.000000T0000Z-141124T0245Z/
BEAUFORT SC-
921 PM EST SUN NOV 23 2014

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 945 PM EST
FOR PORTIONS OF BEAUFORT COUNTY...

AT 921 PM EST...NATIONAL WEATHER SERVICE METEOROLOGISTS CONTINUED TO
DETECT A SEVERE THUNDERSTORM NEAR GRAYS HILL...MOVING NORTHEAST AT 50
MPH.

PREPARE NOW FOR THE FOLLOWING HAZARDS...
DAMAGING WINDS IN EXCESS OF 60 MPH...

SOME LOCATIONS IN OR NEAR THE PATH OF THIS STORM INCLUDE...BURTON...
DALE...GARDENS CORNER...LAUREL BAY...PARRIS ISLAND...PORT ROYAL...
SHELDON...BEAUFORT...BEAUFORT MARINE CORPS AIR STATION...CLARENDON...
LADYS ISLAND...LEMON ISLAND AND SHELL POINT.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A TORNADO WATCH IS ALSO IN EFFECT. SEVERE THUNDERSTORMS CAN PRODUCE
TORNADOES SUDDENLY...SOMETIMES WITH LITTLE OR NO WARNING. IF YOU SEE
OR HEAR A TORNADO...MOVE QUICKLY TO AN INTERIOR ROOM IN A STURDY
STRUCTURE.

&&

LAT...LON 3224 8077 3237 8082 3240 8084 3241 8083
      3241 8085 3242 8085 3246 8083 3246 8082
      3249 8082 3252 8084 3266 8076 3232 8050
      3229 8057
TIME...MOT...LOC 0221Z 230DEG 45KT 3248 8073

$$
442 
WWUS52 KCHS 240230
SVSCHS

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE CHARLESTON SC
930 PM EST SUN NOV 23 2014

SCC013-240240-
/O.CAN.KCHS.SV.W.0113.000000T0000Z-141124T0245Z/
BEAUFORT SC-
930 PM EST SUN NOV 23 2014

...THE SEVERE THUNDERSTORM WARNING FOR PORTIONS OF BEAUFORT COUNTY
HAS BEEN CANCELLED...

AT 929 PM EST...RADAR INDICATED THAT THE SEVERE THUNDERSTORM THAT 
PROMPTED THE WARNING HAD WEAKENED AND MOVED OUT OF THE WARNED 
AREA...THUS THE SEVERE THUNDERSTORM WARNING HAS BEEN CANCELED.

A TORNADO WATCH REMAINS IN EFFECT UNTIL 100 AM EST MONDAY MORNING FOR
SOUTHEAST SOUTH CAROLINA.

LAT...LON 3224 8077 3237 8082 3240 8084 3241 8083
      3241 8085 3242 8085 3246 8083 3246 8082
      3249 8082 3252 8084 3266 8076 3232 8050
      3229 8057
TIME...MOT...LOC 0230Z 230DEG 45KT 3254 8062

$$

The office that day

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

IssuedProductOfficeCountiesLasted
Nov 23, 7:09 PM ESTSevere Thunderstorm WarningCHSBryan, Liberty, Long51 min
Nov 23, 7:30 PM ESTSpecial Weather StatementCHSEvans, Tattnall30 min
Nov 23, 7:35 PM ESTSevere Thunderstorm WarningCHSBryan, Bulloch, Evans, Tattnall40 min
Nov 23, 7:41 PM ESTSpecial Weather StatementCHSScreven34 min
Nov 23, 7:48 PM ESTSevere Thunderstorm WarningCHSScreven57 min
Nov 23, 7:58 PM ESTSevere Thunderstorm WarningCHSBryan, Bulloch, Chatham, Effingham, Liberty47 min
Nov 23, 7:16 PM ESTSpecial Weather StatementCHSAllendale29 min
Nov 23, 8:29 PM ESTSpecial Marine WarningCHS46 min
Nov 23, 10:04 PM ESTSpecial Weather StatementCHSBerkeley, Charleston41 min
Nov 23, 10:07 PM ESTSpecial Marine WarningCHS38 min
Nov 24, 12:04 AM ESTSpecial Weather StatementCHSJasper26 min
Nov 24, 3:43 AM ESTMarine Dense Fog AdvisoryCHS7 hr
Nov 24, 1:13 PM ESTSpecial Weather StatementCHSBerkeley32 min

Nearby

Severe Thunderstorm Warnings in Georgia, 2014Severe Thunderstorm Warnings in South Carolina, 2014Every severe thunderstorm warning in 2014

Sources

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