Alert archive / Georgia / Severe Thunderstorm Warnings in 2012

Severe Thunderstorm Warning 63, NWS Charleston, SC

May 15, 20124 counties in Georgia

NWS Charleston, SC issued this severe thunderstorm warning at May 15, 2012, 3:28 PM EDT for 4 counties in Georgia. It was in force for 62 min. 5 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 15, 2012, 3:28 PM EDT (19:28 UTC)
Expired
May 15, 2012, 4:30 PM EDT
In force
62 min
Issued by
NWS Charleston, SC
Area
Storm-based polygon

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

The radar

The Charleston,SC radar (KCLX), 120 km from the middle of the area, began a volume at 19:31 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 15, 3:42 PM EDTHAIL 13 S Townsend, GALAW ENFORCEMENT RELAYED QUARTER SIZE HAIL ALONG HIGHWAY 57.
May 15, 4:05 PM EDTTSTM WND DMG1 Nw Riceboro, GALIBERTY COUNTY WARNING POINT RELAYED A REPORT OF A TREE DOWN ACROSS HIGHWAY 119 AND HIGHWAY 17.
May 15, 4:05 PM EDTTSTM WND DMG2 N Riceboro, GALIBERTY COUNTY WARNING POINT REPORTED A TREE DOWN AT THE INTERSECTION OF BIG OAK AND OAK CREEK ROAD. TIME ESTIMATED BY RADAR.
May 15, 4:05 PM EDTHAIL 0.88Riceboro, GALIBERTY COUNTY WARNING POINT REPORTED NICKEL SIZE HAIL IN RICEBORO.
May 15, 4:23 PM EDTHAIL 13 N Keller, GATRAINED SPOTTER REPORTED QUARTER SIZE HAIL IN KELLER.

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
May 15, 2:27 PM EDTSevere Thunderstorm WatchSPC7 hr

The nearest sounding before it

Jacksonville, FL (KJAX), launched 12:00Z, 7.5 hours before the alert went out and 128 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 2012-05-15Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 862 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 2012-05-15The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 28 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
862 J/kg
Mixed-layer CIN
-59 J/kg
Mixed-layer LCL
926 m above ground
0-6 km bulk shear
21 kt
0-1 km storm-relative helicity
28 m²/s²
0-3 km storm-relative helicity
38 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.

153 
WUUS52 KCHS 151928
SVRCHS
GAC029-179-183-191-152030-
/O.NEW.KCHS.SV.W.0063.120515T1928Z-120515T2030Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE CHARLESTON SC
328 PM EDT TUE MAY 15 2012

THE NATIONAL WEATHER SERVICE IN CHARLESTON HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  SOUTHERN BRYAN COUNTY IN SOUTHEAST GEORGIA...
  LIBERTY COUNTY IN SOUTHEAST GEORGIA...
  SOUTHEASTERN LONG COUNTY IN SOUTHEAST GEORGIA...
  WESTERN MCINTOSH COUNTY IN SOUTHEAST GEORGIA...

* UNTIL 430 PM EDT

* AT 329 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM...NEAR COX...MOVING NORTH AT 30 MPH.

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

* SOME LOCATIONS IN THE WARNING INCLUDE...
  COX...TOWNSEND...EULONIA...TIBET...PINE HARBOR...JONES...SOUTH
  NEWPORT...RICEBORO...RETREAT...

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 3139 8157 3145 8162 3147 8162 3149 8165
      3154 8167 3156 8171 3202 8164 3185 8114
      3182 8116 3182 8118 3179 8118 3179 8116
      3175 8117 3136 8151
TIME...MOT...LOC 1929Z 199DEG 27KT 3151 8156

$$

JAQ
3 follow-up statements
674 
WWUS52 KCHS 151943
SVSCHS

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE CHARLESTON SC
343 PM EDT TUE MAY 15 2012

GAC029-179-183-191-152030-
/O.CON.KCHS.SV.W.0063.000000T0000Z-120515T2030Z/
LIBERTY GA-BRYAN GA-LONG GA-MCINTOSH GA-
343 PM EDT TUE MAY 15 2012

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 430 PM EDT
FOR NORTHWESTERN MCINTOSH...SOUTHEASTERN LONG...SOUTHERN BRYAN AND
LIBERTY COUNTIES...

AT 342 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO
INDICATE A SEVERE THUNDERSTORM NEAR HUXFORD...MOVING NORTH AT 30 MPH.

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

SOME LOCATIONS IN OR NEAR THE PATH OF THIS STORM INCLUDE...
ALLENHURST...COX...EULONIA...FLEMINGTON...FORT STEWART...
HALFMOON LANDING...HINESVILLE...KELLER...MCINTOSH...RETREAT...
RICEBORO...SUNBURY...TIBET...TOWNSEND...WALTHOURVILLE...
CROSSROADS AND MIDWAY.

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 3144 8155 3149 8165 3154 8167 3156 8171
      3202 8164 3184 8116 3182 8116 3182 8118
      3179 8118 3179 8116 3175 8117 3143 8145
TIME...MOT...LOC 1942Z 199DEG 27KT 3159 8152

$$

JAQ
021 
WWUS52 KCHS 151950
SVSCHS

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE CHARLESTON SC
350 PM EDT TUE MAY 15 2012

GAC029-179-183-191-152030-
/O.CON.KCHS.SV.W.0063.000000T0000Z-120515T2030Z/
LIBERTY GA-BRYAN GA-LONG GA-MCINTOSH GA-
350 PM EDT TUE MAY 15 2012

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 430 PM EDT
FOR NORTHWESTERN MCINTOSH...SOUTHEASTERN LONG...SOUTHEASTERN BRYAN
AND CENTRAL LIBERTY COUNTIES...

AT 350 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO
INDICATE A SEVERE THUNDERSTORM NEAR JONES...MOVING NORTHEAST AT 30
MPH.

PREPARE NOW FOR THE FOLLOWING HAZARDS...
DESTRUCTIVE WINDS IN EXCESS OF 70 MPH...
HAIL TO THE SIZE OF HEN EGGS...

SOME LOCATIONS IN OR NEAR THE PATH OF THIS STORM INCLUDE...BELFAST...
EULONIA...FLEMINGTON...HALFMOON LANDING...JONES...KELLER...
MCINTOSH...PINE HARBOR...RETREAT...RICEBORO...SOUTH NEWPORT...
SUNBURY...TIBET...TOWNSEND...CROSSROADS AND MIDWAY.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A SEVERE THUNDERSTORM IS CAPABLE OF PRODUCING LARGE HAIL...DAMAGING
WINDS OF 58 MPH OR GREATER...DEADLY LIGHTNING AND VERY HEAVY RAIN. GO
INSIDE A STURDY SHELTER. MOVE TO AN INTERIOR ROOM AND STAY AWAY FROM
WINDOWS.

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 3148 8142 3152 8153 3158 8164 3198 8154
      3183 8118 3182 8116 3182 8118 3179 8118
      3179 8116 3175 8117
TIME...MOT...LOC 1950Z 214DEG 26KT 3164 8145

$$

JAQ
965 
WWUS52 KCHS 152004
SVSCHS

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE CHARLESTON SC
404 PM EDT TUE MAY 15 2012

GAC183-191-152013-
/O.CAN.KCHS.SV.W.0063.000000T0000Z-120515T2030Z/
LONG GA-MCINTOSH GA-
404 PM EDT TUE MAY 15 2012

...THE SEVERE THUNDERSTORM WARNING FOR NORTHWESTERN MCINTOSH AND
SOUTHEASTERN LONG COUNTIES HAS BEEN CANCELLED...

AT 403 PM...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED THAT 
THE SEVERE THUNDERSTORM THAT PROMPTED THE WARNING HAD MOVED OUT OF 
MCINTOSH AND LONG COUNTIES...THEREFORE THE WARNING HAS BEEN 
CANCELLED. 

A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL 900 PM EDT
TUESDAY EVENING FOR SOUTHEAST GEORGIA AND SOUTHEAST SOUTH CAROLINA.

LAT...LON 3169 8146 3170 8150 3194 8144 3183 8118
      3182 8117 3182 8118 3179 8118 3179 8116
      3177 8117 3175 8117 3166 8126 3165 8143
TIME...MOT...LOC 2003Z 214DEG 26KT 3171 8139

$$

GAC029-179-152030-
/O.CON.KCHS.SV.W.0063.000000T0000Z-120515T2030Z/
LIBERTY GA-BRYAN GA-
404 PM EDT TUE MAY 15 2012

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 430 PM EDT
FOR SOUTHEASTERN BRYAN AND EASTERN LIBERTY COUNTIES...

AT 403 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO
INDICATE A SEVERE THUNDERSTORM NEAR RETREAT...MOVING NORTHEAST AT 30
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...BELFAST...
HALFMOON LANDING...KELLER...RETREAT...RICEBORO...SUNBURY...CROSSROADS
AND MIDWAY.

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 3169 8146 3170 8150 3194 8144 3183 8118
      3182 8117 3182 8118 3179 8118 3179 8116
      3177 8117 3175 8117 3166 8126 3165 8143
TIME...MOT...LOC 2003Z 214DEG 26KT 3171 8139

$$

JAQ

The office that day

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

IssuedProductOfficeCountiesLasted
May 14, 8:31 PM EDTSpecial Weather StatementCHSCandler29 min
May 14, 10:16 PM EDTSpecial Weather StatementCHSTattnall29 min
May 15, 3:25 AM EDTSpecial Marine WarningCHS95 min
May 15, 3:17 PM EDTSpecial Weather StatementCHSMcIntosh28 min
May 15, 3:54 PM EDTSevere Thunderstorm WarningCHSScreven20 min
May 15, 4:19 PM EDTSevere Thunderstorm WarningCHSBryan, Chatham, Liberty56 min
May 15, 4:42 PM EDTSevere Thunderstorm WarningCHSBryan, Chatham, Effingham, Liberty63 min
May 15, 5:28 PM EDTSpecial Weather StatementCHSMcIntosh32 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.