Alert archive / Georgia / Tornado Warnings in 2011

Tornado Warning 8, NWS Charleston, SC

August 8, 2011Bryan County, Chatham County, Liberty County, Georgia

NWS Charleston, SC issued this tornado warning at Aug 8, 2011, 7:08 PM EDT for Bryan County, Chatham County, Liberty County, Georgia. It was in force for 42 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 8, 2011, 7:08 PM EDT (23:08 UTC)
Expired
Aug 8, 2011, 7:50 PM EDT
In force
42 min
Issued by
NWS Charleston, SC
Area
Storm-based polygon

Counties Bryan County, GA, Chatham County, GA, Liberty County, GA

The radar

The Charleston,SC radar (KCLX), 85 km from the middle of the area, began a volume at 23:09 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
Aug 8, 7:40 PM EDTTSTM WND DMGBurroughs, GATREE DOWN AT THE INTERSECTION OF CHEVIS ROAD AND WILD HERRON ROAD.

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, 11.1 hours before the alert went out and 159 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 12:00Z on 2011-08-08Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1745 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 12:00Z on 2011-08-08The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -20 square meters per square second.1939Sfc1 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
1745 J/kg
Mixed-layer CIN
-94 J/kg
Mixed-layer LCL
1201 m above ground
0-6 km bulk shear
12 kt
0-1 km storm-relative helicity
-20 m²/s²
0-3 km storm-relative helicity
1 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.

497 
WFUS52 KCHS 082308
TORCHS
GAC029-051-179-090000-
/O.NEW.KCHS.TO.W.0008.110808T2308Z-110809T0000Z/

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE CHARLESTON SC
708 PM EDT MON AUG 8 2011

THE NATIONAL WEATHER SERVICE IN CHARLESTON HAS ISSUED A

* TORNADO WARNING FOR...
  SOUTHEASTERN BRYAN COUNTY IN SOUTHEAST GEORGIA...
  CENTRAL CHATHAM COUNTY IN SOUTHEAST GEORGIA...
  CENTRAL LIBERTY COUNTY IN SOUTHEAST GEORGIA...

* UNTIL 800 PM EDT

* AT 705 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO...NEAR RICHMOND
  HILL...MOVING EAST AT 20 MPH.

* SOME LOCATIONS IN THE WARNING INCLUDE...
  RICHMOND HILL...BELFAST...KELLER...FORT MCALLISTER...MONTGOMERY...

PRECAUTIONARY/PREPAREDNESS ACTIONS...

REPORT HAIL...DOWNED TREES...LIMBS...AND POWER LINES DIRECTLY TO THE
CHARLESTON NATIONAL WEATHER SERVICE AT 1-888-383-2024.

&&

LAT...LON 3195 8105 3176 8113 3188 8146 3199 8141
TIME...MOT...LOC 2308Z 278DEG 18KT 3190 8135

$$
2 follow-up statements
543 
WWUS52 KCHS 082327
SVSCHS

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE CHARLESTON SC
727 PM EDT MON AUG 8 2011

GAC179-082336-
/O.CAN.KCHS.TO.W.0008.000000T0000Z-110809T0000Z/
LIBERTY GA-
727 PM EDT MON AUG 8 2011

...THE TORNADO WARNING FOR CENTRAL LIBERTY COUNTY HAS BEEN
CANCELLED...

LAT...LON 3184 8129 3191 8125 3195 8105 3176 8113
TIME...MOT...LOC 2326Z 289DEG 29KT 3185 8117

$$

GAC029-051-090000-
/O.CON.KCHS.TO.W.0008.000000T0000Z-110809T0000Z/
BRYAN GA-CHATHAM GA-
727 PM EDT MON AUG 8 2011

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 800 PM EDT FOR SOUTH
CENTRAL CHATHAM AND SOUTHEASTERN BRYAN COUNTIES...

AT 721 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO
INDICATE A TORNADO.  THIS TORNADO WAS LOCATED NEAR OAK LEVEL...OR
ABOUT 8 MILES SOUTHEAST OF RICHMOND HILL...MOVING EAST AT 35 MPH.

SOME LOCATIONS IN OR NEAR THE PATH OF THIS STORM INCLUDE...FORT
MCALLISTER AND KELLER.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

WHEN A TORNADO WARNING IS ISSUED BASED ON DOPPLER RADAR...STRONG
ROTATION HAS BEEN DETECTED IN THE STORM. A TORNADO MAY BE OCCURRING
OR IS EXPECTED TO DEVELOP SHORTLY. IF YOU ARE IN THE PATH OF THIS
DANGEROUS STORM...MOVE INDOORS AND TO THE LOWEST LEVEL OF THE
BUILDING. STAY AWAY FROM WINDOWS. IF DRIVING...DO NOT SEEK SHELTER
UNDER A HIGHWAY OVERPASS.

TO REPORT HAIL OR WIND DAMAGE...CONTACT THE CHARLESTON NATIONAL
WEATHER SERVICE AT 1-888-383-2024 OR EMAIL YOUR REPORTS TO
CHS.SKYWARN@NOAA.GOV. REPORTS CAN ALSO BE SENT THROUGH TWITTER USING
#WXREPORT.

&&

LAT...LON 3184 8129 3191 8125 3195 8105 3176 8113
TIME...MOT...LOC 2326Z 289DEG 29KT 3185 8117

$$

JAQ
226 
WWUS52 KCHS 082350
SVSCHS

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE CHARLESTON SC
750 PM EDT MON AUG 8 2011

GAC029-051-090000-
/O.CAN.KCHS.TO.W.0008.000000T0000Z-110809T0000Z/
BRYAN GA-CHATHAM GA-
750 PM EDT MON AUG 8 2011

...THE TORNADO WARNING FOR SOUTH CENTRAL CHATHAM AND SOUTHEASTERN
BRYAN COUNTIES HAS BEEN CANCELLED...

AT 746 PM EDT...RADAR INDICATED THAT THE TORNADIC THUNDERSTORM WHICH
PROMPTED THE WARNING HAD WEAKENED...AND WAS NO LONGER CAPABLE OF 
PRODUCING TORNADOES. THEREFORE...THE TORNADO WARNING HAS BEEN 
CANCELED. HOWEVER...A SEVERE THUNDERSTORM REMAINS IN EFFECT THROUGH 
830 PM. 

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

TO REPORT HAIL OR WIND DAMAGE...CONTACT THE CHARLESTON NATIONAL
WEATHER SERVICE AT 1-888-383-2024 OR EMAIL YOUR REPORTS TO
CHS.SKYWARN@NOAA.GOV. REPORTS CAN ALSO BE SENT THROUGH TWITTER USING
#WXREPORT.

LAT...LON 3184 8129 3191 8125 3195 8105 3176 8113
TIME...MOT...LOC 2350Z 289DEG 29KT 3179 8095

$$

JAQ

The office that day

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

IssuedProductOfficeCountiesLasted
Aug 8, 3:25 PM EDTHeat AdvisoryCHSBulloch, Candler, Effingham, Evans, Jenkins, Long and 2 more28 hr
Aug 8, 4:55 PM EDTSpecial Weather StatementCHSCandler35 min
Aug 8, 5:32 PM EDTSevere Thunderstorm WarningCHSEffingham58 min
Aug 8, 5:46 PM EDTSevere Thunderstorm WarningCHSBulloch, Candler47 min
Aug 8, 6:00 PM EDTSevere Thunderstorm WarningCHSChatham, Effingham60 min
Aug 8, 6:00 PM EDTSevere Thunderstorm WarningCHSBryan, Bulloch, Evans, Liberty60 min
Aug 8, 6:26 PM EDTSevere Thunderstorm WarningCHSBryan, Chatham, Effingham, Liberty64 min
Aug 8, 6:41 PM EDTSevere Thunderstorm WarningCHSLiberty, Long64 min
Aug 8, 6:55 PM EDTSpecial Weather StatementCHSScreven35 min
Aug 8, 7:02 PM EDTAreal Flood AdvisoryCHSBryan, Chatham118 min
Aug 8, 7:11 PM EDTTornado WarningCHSChatham24 min
Aug 8, 7:16 PM EDTSpecial Marine WarningCHS119 min
Aug 8, 7:26 PM EDTSevere Thunderstorm WarningCHSBryan, Chatham, Liberty64 min

Nearby

Tornado Warnings in Georgia, 2011Every tornado warning in 2011Tornadoes in 2011

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.