Alert archive / Georgia / Severe Thunderstorm Warnings in 2012
Severe Thunderstorm Warning 227, NWS Charleston, SC
NWS Charleston, SC issued this severe thunderstorm warning at Aug 9, 2012, 6:52 PM EDT for 4 counties in Georgia; Jasper County, South Carolina. It was in force for 53 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
- Aug 9, 2012, 6:52 PM EDT (22:52 UTC)
- Expired
- Aug 9, 2012, 7:45 PM EDT
- In force
- 53 min
- Issued by
- NWS Charleston, SC
- Area
- Storm-based polygon
Counties Bryan County, GA, Bulloch County, GA, Chatham County, GA, Effingham County, GA, Jasper County, SC
The radar
The Charleston,SC radar (KCLX), 38 km from the middle of the area, began a volume at 22:53 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
| Time | Report | Where | Remark |
|---|---|---|---|
| Aug 9, 7:39 PM EDT | TSTM WND DMG | 4 N Clyo, SC | SC HIGHWAY PATROL REPORTED A TREE DOWN AT SC HWY 119 AND SAND HILLS RD. |
Local storm reports filed while the alert was in force, from inside its polygon or its counties.
The nearest sounding before it
Charleston AFB, SC (KCHS), launched 12:00Z, 10.9 hours before the alert went out and 134 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.
- Mixed-layer CAPE
- 957 J/kg
- Mixed-layer CIN
- -36 J/kg
- Mixed-layer LCL
- 723 m above ground
- 0-6 km bulk shear
- 6 kt
- 0-1 km storm-relative helicity
- -3 m²/s²
- 0-3 km storm-relative helicity
- 18 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
065 WUUS52 KCHS 092252 SVRCHS GAC029-031-051-103-SCC053-092345- /O.NEW.KCHS.SV.W.0227.120809T2252Z-120809T2345Z/ BULLETIN - IMMEDIATE BROADCAST REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE CHARLESTON SC 652 PM EDT THU AUG 9 2012 THE NATIONAL WEATHER SERVICE IN CHARLESTON HAS ISSUED A * SEVERE THUNDERSTORM WARNING FOR... NORTH CENTRAL BRYAN COUNTY IN SOUTHEAST GEORGIA... SOUTHEASTERN BULLOCH COUNTY IN SOUTHEAST GEORGIA... NORTHWESTERN CHATHAM COUNTY IN SOUTHEAST GEORGIA... EFFINGHAM COUNTY IN SOUTHEAST GEORGIA... WEST CENTRAL JASPER COUNTY IN SOUTHEAST SOUTH CAROLINA... * UNTIL 745 PM EDT * AT 652 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A SEVERE THUNDERSTORM...NEAR BLITCHTON...MOVING NORTHEAST AT 30 MPH. PREPARE NOW FOR THE FOLLOWING HAZARDS... DAMAGING WINDS IN EXCESS OF 60 MPH... * SOME LOCATIONS IN THE WARNING INCLUDE... BAY...BLITCHTON...EDEN...BLOOMINGDALE...MARLOW...PINEORA... GUYTON... 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 3259 8123 3241 8098 3205 8136 3226 8163 TIME...MOT...LOC 2252Z 225DEG 26KT 3218 8149 $$ BSH
3 follow-up statements
877 WWUS52 KCHS 092314 SVSCHS SEVERE WEATHER STATEMENT NATIONAL WEATHER SERVICE CHARLESTON SC 714 PM EDT THU AUG 9 2012 GAC029-031-092324- /O.CAN.KCHS.SV.W.0227.000000T0000Z-120809T2345Z/ BULLOCH GA-BRYAN GA- 714 PM EDT THU AUG 9 2012 ...THE SEVERE THUNDERSTORM WARNING FOR NORTH CENTRAL BRYAN AND SOUTHEASTERN BULLOCH COUNTIES HAS BEEN CANCELLED... LAT...LON 3218 8122 3237 8150 3259 8123 3241 8098 TIME...MOT...LOC 2314Z 225DEG 28KT 3236 8131 $$ GAC051-103-SCC053-092345- /O.CON.KCHS.SV.W.0227.000000T0000Z-120809T2345Z/ EFFINGHAM GA-JASPER SC-CHATHAM GA- 714 PM EDT THU AUG 9 2012 ...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 745 PM EDT FOR EXTREME NORTH CENTRAL CHATHAM...WEST CENTRAL JASPER AND EFFINGHAM COUNTIES... AT 714 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO INDICATE A SEVERE THUNDERSTORM NEAR SPRINGFIELD...MOVING NORTHEAST AT 30 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...CLYO... EBENEZER...GUYTON...RINCON...SPRINGFIELD...STILLWELL...PURYSBURGH... SWITZERLAND...TARBORO AND TILLMAN. PRECAUTIONARY/PREPAREDNESS ACTIONS... FREQUENT LIGHTNING IS OCCURRING WITH THIS THUNDERSTORM. MOVE INDOORS IMMEDIATELY. IF THERE IS NO SAFE SHELTER AVAILABLE...STAY AWAY FROM ISOLATED HIGH OBJECTS AND BODIES OF WATER. IF YOU CAN HEAR THUNDER... YOU ARE WITHIN STRIKING DISTANCE. 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 3218 8122 3237 8150 3259 8123 3241 8098 TIME...MOT...LOC 2314Z 225DEG 28KT 3236 8131 $$ BSH
363 WWUS52 KCHS 092328 SVSCHS SEVERE WEATHER STATEMENT NATIONAL WEATHER SERVICE CHARLESTON SC 728 PM EDT THU AUG 9 2012 GAC051-092338- /O.CAN.KCHS.SV.W.0227.000000T0000Z-120809T2345Z/ CHATHAM GA- 728 PM EDT THU AUG 9 2012 ...THE SEVERE THUNDERSTORM WARNING FOR EXTREME NORTH CENTRAL CHATHAM COUNTY HAS BEEN CANCELLED... LAT...LON 3224 8116 3244 8141 3259 8123 3241 8098 TIME...MOT...LOC 2328Z 225DEG 28KT 3244 8122 $$ GAC103-SCC053-092345- /O.CON.KCHS.SV.W.0227.000000T0000Z-120809T2345Z/ EFFINGHAM GA-JASPER SC- 728 PM EDT THU AUG 9 2012 ...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 745 PM EDT FOR WEST CENTRAL JASPER AND NORTHEASTERN EFFINGHAM COUNTIES... AT 728 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO INDICATE A SEVERE THUNDERSTORM NEAR BERRYVILLE...MOVING NORTHEAST AT 30 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...CLYO... EBENEZER...SPRINGFIELD...STILLWELL...PURYSBURGH...SWITZERLAND... TARBORO AND TILLMAN. PRECAUTIONARY/PREPAREDNESS ACTIONS... FREQUENT LIGHTNING IS OCCURRING WITH THIS THUNDERSTORM. MOVE INDOORS IMMEDIATELY. IF THERE IS NO SAFE SHELTER AVAILABLE...STAY AWAY FROM ISOLATED HIGH OBJECTS AND BODIES OF WATER. IF YOU CAN HEAR THUNDER... YOU ARE WITHIN STRIKING DISTANCE. 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 3224 8116 3244 8141 3259 8123 3241 8098 TIME...MOT...LOC 2328Z 225DEG 28KT 3244 8122 $$ BSH
684 WWUS52 KCHS 092345 SVSCHS SEVERE WEATHER STATEMENT NATIONAL WEATHER SERVICE CHARLESTON SC 745 PM EDT THU AUG 9 2012 GAC103-SCC053-092355- /O.EXP.KCHS.SV.W.0227.000000T0000Z-120809T2345Z/ EFFINGHAM GA-JASPER SC- 745 PM EDT THU AUG 9 2012 ...THE SEVERE THUNDERSTORM WARNING FOR WEST CENTRAL JASPER AND NORTHEASTERN EFFINGHAM COUNTIES WILL EXPIRE AT 745 PM EDT... AT 745 PM EDT...RADAR INDICATED THAT THE SEVERE THUNDERSTORM WHICH PROMPTED THE WARNING HAD MOVED OUT OF THE WARNED AREA...THUS THE SEVERE THUNDERSTORM WARNING HAS BEEN ALLOWED TO EXPIRE. ALTHOUGH THE SEVERE THUNDERSTORM WARNING IS NO LONGER IN EFFECT...THUNDERSTORMS ARE STILL CAPABLE OF PRODUCING GUSTY WINDS...FREQUENT LIGHTNING AND HEAVY RAINFALL. THE SAFEST COURSE OF ACTION IS TO REMAIN INDOORS UNTIL THE STORMS HAVE PASSED. ALTHOUGH THE IMMEDIATE THREAT FOR DAMAGING WINDS AND LARGE HAIL HAS ENDED...THUNDERSTORMS ARE STILL PRODUCING FREQUENT CLOUD TO GROUND LIGHTNING STRIKES. THE SAFEST COURSE OF ACTION IS TO REMAIN INDOORS UNTIL THE STORMS HAVE PASSED. TO REPORT SEVERE WEATHER SUCH AS HAIL...DOWNED TREES...LIMBS...AND POWER LINES...PLEASE CONTACT THE CHARLESTON NATIONAL WEATHER SERVICE TOLL FREE AT 1-888-383-2024 OR EMAIL YOUR REPORTS TO CHS.SKYWARN@NOAA.GOV. LAT...LON 3224 8116 3244 8141 3259 8123 3241 8098 TIME...MOT...LOC 2328Z 225DEG 28KT 3244 8122 $$ BSH
The office that day
Everything else NWS Charleston, SC issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 9, 3:30 PM EDT | Special Weather Statement | CHS | Candler | 60 min |
| Aug 9, 4:01 PM EDT | Special Weather Statement | CHS | Effingham | 59 min |
| Aug 9, 5:20 PM EDT | Special Weather Statement | CHS | Bulloch, Candler, Evans, Tattnall | 70 min |
| Aug 9, 6:01 PM EDT | Severe Thunderstorm Warning | CHS | Bryan, Evans, Liberty, Long, Tattnall | 59 min |
| Aug 9, 6:33 PM EDT | Special Weather Statement | CHS | Bulloch, Candler, Screven | 57 min |
| Aug 9, 6:38 PM EDT | Special Weather Statement | CHS | Liberty, McIntosh | 67 min |
| Aug 9, 7:10 PM EDT | Special Weather Statement | CHS | Chatham | 50 min |
| Aug 9, 7:16 PM EDT | Special Weather Statement | CHS | Screven | 44 min |
| Aug 9, 7:43 PM EDT | Special Weather Statement | CHS | Hampton | 47 min |
Nearby
Severe Thunderstorm Warnings in Georgia, 2012Severe Thunderstorm Warnings in South Carolina, 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.