Alert archive / Georgia / Severe Thunderstorm Warnings in 2012

Severe Thunderstorm Warning 92, NWS Charleston, SC

June 4, 20125 counties in Georgia

NWS Charleston, SC issued this severe thunderstorm warning at Jun 4, 2012, 1:44 PM EDT for 5 counties in Georgia. It was in force for 46 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
Jun 4, 2012, 1:44 PM EDT (17:44 UTC)
Expired
Jun 4, 2012, 2:30 PM EDT
In force
46 min
Issued by
NWS Charleston, SC
Area
Storm-based polygon

Counties Bryan County, GA, Chatham County, GA, Liberty County, GA, Long County, GA, McIntosh County, GA

The radar

The Charleston,SC radar (KCLX), 111 km from the middle of the area, began a volume at 17:44 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
Jun 4, 2:18 PM EDTTSTM WND DMGHarris Neck, GAOFFICIALS WITH THE HARRIS NECK NATIONAL WILDLIFE REFUGE REPORTED TREES BLOWN DOWN IN SEVERAL LOCATIONS ON THE REFUGE. THE DAMAGE ASSESSMENT IS ONGOING. 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
Jun 4, 1:09 PM EDTSevere Thunderstorm WatchSPC3 hr

The nearest sounding before it

Jacksonville, FL (KJAX), launched 12:00Z, 5.7 hours before the alert went out and 136 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 2012-06-04Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCL10008507005003002001001 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 2012-06-04The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 102 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
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
1842 m above ground
0-6 km bulk shear
31 kt
0-1 km storm-relative helicity
102 m²/s²
0-3 km storm-relative helicity
98 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.

836 
WUUS52 KCHS 041744
SVRCHS
GAC029-051-179-183-191-041830-
/O.NEW.KCHS.SV.W.0092.120604T1744Z-120604T1830Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE CHARLESTON SC
144 PM EDT MON JUN 4 2012

THE NATIONAL WEATHER SERVICE IN CHARLESTON HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  SOUTHEASTERN BRYAN COUNTY IN SOUTHEAST GEORGIA...
  SOUTH CENTRAL CHATHAM COUNTY IN SOUTHEAST GEORGIA...
  SOUTHEASTERN LIBERTY COUNTY IN SOUTHEAST GEORGIA...
  SOUTHEASTERN LONG COUNTY IN SOUTHEAST GEORGIA...
  NORTHERN MCINTOSH COUNTY IN SOUTHEAST GEORGIA...

* UNTIL 230 PM EDT

* AT 144 PM EDT...NATIONAL WEATHER SERVICE METEOROLOGISTS DETECTED
  SEVERE THUNDERSTORMS...ALONG A LINE EXTENDING FROM 7 MILES
  NORTHWEST OF BELFAST TO MIDWAY TO TIBET...MOVING EAST AT 50 MPH.

  PREPARE NOW FOR THE FOLLOWING HAZARDS...
  DAMAGING WINDS IN EXCESS OF 70 MPH...
  HAIL UP TO GOLF BALL SIZE...

* SOME LOCATIONS IN THE WARNING INCLUDE...
  CROSSROADS...MIDWAY...SUNBURY...RETREAT...SOUTH NEWPORT...JONES...
  EULONIA...ST. CATHERINES ISLAND...SHELLMAN BLUFF...

PRECAUTIONARY/PREPAREDNESS ACTIONS...

TAKE SHELTER AS THUNDERSTORMS APPROACH.

REPORT HAIL...DOWNED TREES...LIMBS...AND POWER LINES DIRECTLY TO THE
CHARLESTON NATIONAL WEATHER SERVICE AT 1-888-383-2024...WHEN IT IS
SAFE TO DO SO.

&&

LAT...LON 3159 8173 3163 8179 3178 8148 3193 8141
      3184 8103 3181 8103 3176 8107 3172 8113
      3163 8112 3155 8117 3152 8117 3148 8119
TIME...MOT...LOC 1744Z 282DEG 42KT 3190 8131 3176 8137
          3164 8163

$$
2 follow-up statements
254 
WWUS52 KCHS 041801
SVSCHS

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE CHARLESTON SC
201 PM EDT MON JUN 4 2012

GAC029-051-179-183-191-041830-
/O.CON.KCHS.SV.W.0092.000000T0000Z-120604T1830Z/
LIBERTY GA-BRYAN GA-CHATHAM GA-LONG GA-MCINTOSH GA-
201 PM EDT MON JUN 4 2012

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 230 PM EDT
FOR NORTHERN MCINTOSH...SOUTHEASTERN LONG...SOUTH CENTRAL CHATHAM...
SOUTHEASTERN BRYAN AND SOUTHEASTERN LIBERTY COUNTIES...

AT 201 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO
INDICATE A LINE OF SEVERE THUNDERSTORMS ALONG A LINE EXTENDING FROM
OAK LEVEL TO SUNBURY TO BRICKSTON...MOVING EAST AT 50 MPH.

PREPARE NOW FOR THE FOLLOWING HAZARDS...
DAMAGING WINDS IN EXCESS OF 60 MPH...
HAIL UP TO THE SIZE OF HALF DOLLARS...

SOME LOCATIONS IN OR NEAR THE PATH OF THIS STORM INCLUDE...BELFAST...
BLACKBEARD ISLAND...EULONIA...HALFMOON LANDING...HARRIS NECK...
JONES...KELLER...PINE HARBOR...RETREAT...RICEBORO...SHELLMAN BLUFF...
SOUTH NEWPORT...ST. CATHERINES ISLAND...SUNBURY...TIBET...CROSSROADS
AND MIDWAY.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

EXCESSIVE LIGHTNING IS OCCURRING WITH THIS THUNDERSTORM. IF
OUTDOORS... AVOID OPEN SPACES AND REMAIN LOW...KEEPING YOUR DISTANCE
FROM TALL OBJECTS SUCH AS TREES AND UTILITY POLES. IF INDOORS...STAY
AWAY FROM WINDOWS AND PLUMBING. ELECTRICAL APPLIANCES SHOULD BE
UNPLUGGED UNTIL THE THUNDERSTORM IS NO LONGER A THREAT.

TO REPORT SEVERE WEATHER SUCH AS HAIL...DOWNED TREES...LIMBS...AND
POWER LINES...PLEASE CONTACT THE CHARLESTON NATIONAL WEATHER SERVICE
TOLL FREE AT 1-888-383-2024 OR EMAIL YOUR REPORTS TO
CHS.SKYWARN@NOAA.GOV.

A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL 700 PM EDT MONDAY
EVENING FOR SOUTHEAST GEORGIA AND SOUTHEAST SOUTH CAROLINA.

&&

LAT...LON 3159 8173 3163 8179 3178 8148 3193 8141
      3184 8103 3181 8103 3176 8107 3172 8113
      3163 8112 3155 8117 3152 8117 3148 8119
TIME...MOT...LOC 1801Z 282DEG 42KT 3186 8116 3172 8122
          3161 8148

$$
257 
WWUS52 KCHS 041815
SVSCHS

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE CHARLESTON SC
215 PM EDT MON JUN 4 2012

GAC029-051-179-183-191-041830-
/O.CON.KCHS.SV.W.0092.000000T0000Z-120604T1830Z/
LIBERTY GA-BRYAN GA-CHATHAM GA-LONG GA-MCINTOSH GA-
215 PM EDT MON JUN 4 2012

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 230 PM EDT
FOR NORTHERN MCINTOSH...SOUTHEASTERN LONG...SOUTH CENTRAL CHATHAM...
SOUTHEASTERN BRYAN AND SOUTHEASTERN LIBERTY COUNTIES...

AT 215 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO
INDICATE A LINE OF SEVERE THUNDERSTORMS ALONG A LINE EXTENDING FROM
OSSABAW ISLAND TO HARRIS NECK TO 6 MILES WEST OF TIBET...MOVING EAST
AT 50 MPH.

PREPARE NOW FOR THE FOLLOWING HAZARDS...
DAMAGING WINDS IN EXCESS OF 60 MPH...
HAIL UP TO QUARTER SIZE...

AT 200 PM EDT...THE PUBLIC REPORTED ONE INCH HAIL AT MIDWAY.

SOME LOCATIONS IN OR NEAR THE PATH OF THIS STORM INCLUDE...BELFAST...
BLACKBEARD ISLAND...EULONIA...HALFMOON LANDING...HARRIS NECK...
JONES...KELLER...PINE HARBOR...RETREAT...RICEBORO...SHELLMAN BLUFF...
SOUTH NEWPORT...ST. CATHERINES ISLAND...SUNBURY AND TIBET.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

EXCESSIVE LIGHTNING IS OCCURRING WITH THIS THUNDERSTORM. IF
OUTDOORS... AVOID OPEN SPACES AND REMAIN LOW...KEEPING YOUR DISTANCE
FROM TALL OBJECTS SUCH AS TREES AND UTILITY POLES. IF INDOORS...STAY
AWAY FROM WINDOWS AND PLUMBING. ELECTRICAL APPLIANCES SHOULD BE
UNPLUGGED UNTIL THE THUNDERSTORM IS NO LONGER A THREAT.

TO REPORT SEVERE WEATHER SUCH AS HAIL...DOWNED TREES...LIMBS...AND
POWER LINES...PLEASE CONTACT THE CHARLESTON NATIONAL WEATHER SERVICE
TOLL FREE AT 1-888-383-2024 OR EMAIL YOUR REPORTS TO
CHS.SKYWARN@NOAA.GOV.

A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL 700 PM EDT MONDAY
EVENING FOR SOUTHEAST GEORGIA AND SOUTHEAST SOUTH CAROLINA.

&&

LAT...LON 3159 8173 3163 8179 3173 8146 3189 8137
      3184 8103 3181 8103 3176 8107 3172 8113
      3163 8112 3155 8117 3152 8117 3148 8119
TIME...MOT...LOC 1815Z 282DEG 42KT 3182 8097 3161 8125
          3160 8163

$$

The office that day

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

IssuedProductOfficeCountiesLasted
Jun 4, 6:47 AM EDTSpecial Marine WarningCHS118 min
Jun 4, 12:47 PM EDTSpecial Weather StatementCHSBulloch, Candler, Evans28 min
Jun 4, 12:52 PM EDTSpecial Marine WarningCHS67 min
Jun 4, 12:54 PM EDTSpecial Weather StatementCHSLong51 min
Jun 4, 12:58 PM EDTSevere Thunderstorm WarningCHSBryan, Liberty, Long, Tattnall62 min
Jun 4, 1:23 PM EDTTornado WarningCHSBryan, Liberty, Long37 min
Jun 4, 1:28 PM EDTSpecial Weather StatementCHSChatham17 min
Jun 4, 1:34 PM EDTSpecial Marine WarningCHS86 min
Jun 4, 1:42 PM EDTSevere Thunderstorm WarningCHSBryan, Chatham, Effingham, Liberty48 min
Jun 4, 1:50 PM EDTSevere Thunderstorm WarningCHSLiberty, Long, Tattnall40 min
Jun 4, 2:04 PM EDTSpecial Marine WarningCHS116 min
Jun 4, 2:22 PM EDTSevere Thunderstorm WarningCHSBryan, Liberty, Long, McIntosh53 min
Jun 4, 2:30 PM EDTSevere Thunderstorm WarningCHSBryan, Chatham, Liberty, McIntosh60 min
Jun 4, 3:56 PM EDTCoastal Flood AdvisoryCHS7 hr
Jun 4, 5:08 PM EDTSpecial Weather StatementCHSLong37 min

Nearby

Severe Thunderstorm Warnings in Georgia, 2012Every severe thunderstorm warning in 2012

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.