Alert archive / Georgia / Severe Thunderstorm Warnings in 2012

Severe Thunderstorm Warning 85, NWS Charleston, SC

May 31, 2012Liberty County, Long County, McIntosh County, Georgia

NWS Charleston, SC issued this severe thunderstorm warning at May 31, 2012, 4:29 PM EDT for Liberty County, Long County, McIntosh County, Georgia. It was in force for 42 min. 2 reports 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
May 31, 2012, 4:29 PM EDT (20:29 UTC)
Expired
May 31, 2012, 5:11 PM EDT
In force
42 min
Issued by
NWS Charleston, SC
Area
Storm-based polygon

Counties Liberty County, GA, Long County, GA, McIntosh County, GA

The radar

The Jacksonville radar (KJAX), 120 km from the middle of the area, began a volume at 20:30 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
May 31, 4:40 PM EDTTSTM WND DMG2 Wsw Tibet, GAQUARTER SIZED HAIL FELL ON SR 57 1 MILE SOUTH OF THE TIBET BAPTIST CHURCH. TREES ALSO BLOWN DOWN BLOCKING ROAD.
May 31, 4:40 PM EDTHAIL 12 Wsw Tibet, GAQUARTER SIZED HAIL FELL ON SR 57 1 MILE SOUTH OF THE TIBET BAPTIST CHURCH. TREES ALSO BLOWN DOWN BLOCKING ROAD.

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

The nearest sounding before it

Jacksonville, FL (KJAX), launched 12:00Z, 8.5 hours before the alert went out and 118 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 2012-05-31Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1352 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 2012-05-31The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 45 square meters per square second.193958Sfc1 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
1352 J/kg
Mixed-layer CIN
-62 J/kg
Mixed-layer LCL
898 m above ground
0-6 km bulk shear
19 kt
0-1 km storm-relative helicity
45 m²/s²
0-3 km storm-relative helicity
80 m²/s²
Significant tornado parameter
0.0
Supercell composite
2.2

Open this sounding in Storm Lab

The text

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

198 
WUUS52 KCHS 312029
SVRCHS
GAC179-183-191-312130-
/O.NEW.KCHS.SV.W.0085.120531T2029Z-120531T2130Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE CHARLESTON SC
429 PM EDT THU MAY 31 2012

THE NATIONAL WEATHER SERVICE IN CHARLESTON HAS ISSUED A

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

* UNTIL 530 PM EDT

* AT 430 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM...NEAR TIBET...MOVING EAST AT 5 MPH.

  PREPARE NOW FOR THE FOLLOWING HAZARDS...
  DAMAGING WINDS IN EXCESS OF 60 MPH...
  HAIL UP TO QUARTER SIZE...
  TORRENTIAL RAIN WHICH MAY PRODUCE LOCALIZED FLOODING...

* SOME LOCATIONS IN THE WARNING INCLUDE...
  TIBET...TOWNSEND...JONES...CROSSROADS...

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 3148 8163 3151 8166 3152 8166 3156 8170
      3158 8170 3159 8172 3174 8174 3176 8143
      3149 8140 3147 8161
TIME...MOT...LOC 2030Z 260DEG 3KT 3163 8160

$$
4 follow-up statements
330 
WWUS52 KCHS 312042
SVSCHS

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE CHARLESTON SC
442 PM EDT THU MAY 31 2012

GAC179-183-191-312130-
/O.CON.KCHS.SV.W.0085.000000T0000Z-120531T2130Z/
LIBERTY GA-LONG GA-MCINTOSH GA-
442 PM EDT THU MAY 31 2012

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 530 PM EDT
FOR NORTHWESTERN MCINTOSH...SOUTHEASTERN LONG AND SOUTH CENTRAL
LIBERTY COUNTIES...

AT 443 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO
INDICATE A SEVERE THUNDERSTORM NEAR TIBET...MOVING EAST AT 5 MPH.

PREPARE NOW FOR THE FOLLOWING HAZARDS...
DAMAGING WINDS IN EXCESS OF 60 MPH...
HAIL UP TO QUARTER SIZE...
TORRENTIAL RAIN WHICH MAY PRODUCE LOCALIZED FLOODING...

SOME LOCATIONS IN OR NEAR THE PATH OF THIS STORM INCLUDE...EULONIA...
JONES...TIBET AND TOWNSEND.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

THIS THUNDERSTORM IS CAPABLE OF PRODUCING VERY HEAVY RAIN...WHICH MAY
FLOOD ROADS...DITCHES AND LOW-LYING AREAS. AVOID FLOOD PRONE AREAS
AND DO NOT DRIVE INTO PLACES WHERE WATER COVERS THE ROAD.

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.

&&

LAT...LON 3149 8163 3159 8169 3171 8170 3173 8143
      3149 8140
TIME...MOT...LOC 2043Z 260DEG 3KT 3162 8158

$$
776 
WWUS52 KCHS 312046
SVSCHS

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE CHARLESTON SC
446 PM EDT THU MAY 31 2012

GAC179-312057-
/O.CAN.KCHS.SV.W.0085.000000T0000Z-120531T2130Z/
LIBERTY GA-
446 PM EDT THU MAY 31 2012

...THE SEVERE THUNDERSTORM WARNING FOR SOUTH CENTRAL LIBERTY COUNTY
HAS BEEN CANCELLED...

LAT...LON 3150 8162 3159 8167 3167 8165 3166 8146
      3149 8140
TIME...MOT...LOC 2047Z 300DEG 4KT 3160 8158

$$

GAC183-191-312130-
/O.CON.KCHS.SV.W.0085.000000T0000Z-120531T2130Z/
LONG GA-MCINTOSH GA-
446 PM EDT THU MAY 31 2012

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 530 PM EDT
FOR NORTHWESTERN MCINTOSH AND SOUTHEASTERN LONG COUNTIES...

AT 447 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO
INDICATE A SEVERE THUNDERSTORM NEAR TIBET...MOVING SOUTHEAST AT 5
MPH.

PREPARE NOW FOR THE FOLLOWING HAZARDS...
DAMAGING WINDS IN EXCESS OF 60 MPH...
HAIL UP TO QUARTER SIZE...
TORRENTIAL RAIN WHICH MAY PRODUCE LOCALIZED FLOODING...

SOME LOCATIONS IN OR NEAR THE PATH OF THIS STORM INCLUDE...EULONIA...
JONES...TIBET AND TOWNSEND.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

THIS THUNDERSTORM IS CAPABLE OF PRODUCING VERY HEAVY RAIN...WHICH MAY
FLOOD ROADS...DITCHES AND LOW-LYING AREAS. AVOID FLOOD PRONE AREAS
AND DO NOT DRIVE INTO PLACES WHERE WATER COVERS THE ROAD.

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.

&&

LAT...LON 3150 8162 3159 8167 3167 8165 3166 8146
      3149 8140
TIME...MOT...LOC 2047Z 300DEG 4KT 3160 8158

$$
405 
WWUS52 KCHS 312101
SVSCHS

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE CHARLESTON SC
501 PM EDT THU MAY 31 2012

GAC183-312111-
/O.CAN.KCHS.SV.W.0085.000000T0000Z-120531T2130Z/
LONG GA-
501 PM EDT THU MAY 31 2012

...THE SEVERE THUNDERSTORM WARNING FOR SOUTHEASTERN LONG COUNTY HAS
BEEN CANCELLED...

LAT...LON 3154 8159 3157 8157 3162 8154 3164 8146
      3150 8141
TIME...MOT...LOC 2101Z 292DEG 8KT 3159 8154

$$

GAC191-312130-
/O.CON.KCHS.SV.W.0085.000000T0000Z-120531T2130Z/
MCINTOSH GA-
501 PM EDT THU MAY 31 2012

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 530 PM EDT
FOR CENTRAL MCINTOSH COUNTY...

AT 501 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO
INDICATE A SEVERE THUNDERSTORM NEAR WARSAW...MOVING EAST AT 10 MPH.

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

SOME LOCATIONS IN OR NEAR THE PATH OF THIS STORM INCLUDE...EULONIA...
JONES AND TOWNSEND.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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.

&&

LAT...LON 3154 8159 3157 8157 3162 8154 3164 8146
      3150 8141
TIME...MOT...LOC 2101Z 292DEG 8KT 3159 8154

$$
381 
WWUS52 KCHS 312111
SVSCHS

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE CHARLESTON SC
511 PM EDT THU MAY 31 2012

GAC191-312121-
/O.CAN.KCHS.SV.W.0085.000000T0000Z-120531T2130Z/
MCINTOSH GA-
511 PM EDT THU MAY 31 2012

...THE SEVERE THUNDERSTORM WARNING FOR CENTRAL MCINTOSH COUNTY HAS
BEEN CANCELLED...

AT 511 PM EDT...RADAR INDICATED THAT THE THUNDERSTORM THAT PROMPTED
THE WARNING HAD WEAKENED...THUS THE WARNING HAS BEEN CANCELED.

ALTHOUGH THE SEVERE THUNDERSTORM WARNING IS NO LONGER IN EFFECT...
THUNDERSTORMS ARE STILL CAPABLE OF PRODUCING GUSTY WINDS...SMALL
HAIL...FREQUENT LIGHTNING AND HEAVY RAINFALL. THE SAFEST COURSE OF
ACTION IS TO REMAIN INDOORS UNTIL THE STORMS HAVE PASSED.

ALTHOUGH THE IMMEDIATE THREAT FOR DAMAGING WINDS AND LARGE HAIL HAS
ENDED...THUNDERSTORMS ARE STILL PRODUCING FREQUENT CLOUD TO GROUND
LIGHTNING STRIKES. THE SAFEST COURSE OF ACTION IS TO REMAIN INDOORS
UNTIL THE STORMS HAVE PASSED.

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.

LAT...LON 3154 8159 3157 8157 3162 8154 3164 8146
      3150 8141
TIME...MOT...LOC 2111Z 292DEG 8KT 3158 8152

$$

The office that day

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

IssuedProductOfficeCountiesLasted
May 30, 8:29 PM EDTSpecial Weather StatementCHSEffingham61 min
May 30, 11:59 PM EDTSpecial Marine WarningCHS91 min
May 31, 1:35 PM EDTSpecial Weather StatementCHSEffingham40 min
May 31, 1:37 PM EDTSevere Thunderstorm WarningCHSBryan, Chatham, Effingham53 min
May 31, 2:12 PM EDTSevere Thunderstorm WarningCHSBryan, Chatham, Effingham, Liberty48 min
May 31, 3:54 PM EDTSmall Craft AdvisoryCHS28 hr
May 31, 4:01 PM EDTSpecial Weather StatementCHSLong44 min
May 31, 5:53 PM EDTSpecial Weather StatementCHSCandler52 min
May 31, 5:55 PM EDTSpecial Weather StatementCHSJenkins50 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.