Alert archive / Georgia / Tornado Warnings in 2011
Tornado Warning 9, NWS Charleston, SC
NWS Charleston, SC issued this tornado warning at Aug 8, 2011, 7:11 PM EDT for Chatham County, Georgia. It was in force for 24 min. No storm report in the archive falls inside the area while it was in force.
The area
The outline as issued.
The facts
- Issued
- Aug 8, 2011, 7:11 PM EDT (23:11 UTC)
- Expired
- Aug 8, 2011, 7:35 PM EDT
- In force
- 24 min
- Issued by
- NWS Charleston, SC
- Area
- Storm-based polygon
County Chatham County, GA
The radar
The Charleston,SC radar (KCLX), 79 km from the middle of the area, began a volume at 23:13 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.
The nearest sounding before it
Charleston AFB, SC (KCHS), launched 12:00Z, 11.2 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.
- 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
The text
As transmitted, in the capitals the NWS used until 2016.
962
WFUS52 KCHS 082311
TORCHS
GAC051-090000-
/O.NEW.KCHS.TO.W.0009.110808T2311Z-110809T0000Z/
BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE CHARLESTON SC
711 PM EDT MON AUG 8 2011
THE NATIONAL WEATHER SERVICE IN CHARLESTON HAS ISSUED A
* TORNADO WARNING FOR...
EAST CENTRAL CHATHAM 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 OVER EAST
CENTRAL CHATHAM COUNTY...MOVING SOUTHEAST AT 10 MPH.
* SOME LOCATIONS IN THE WARNING INCLUDE...
TYBEE ISLAND AND WASSAW SOUND
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 3196 8100 3201 8094 3198 8085 3197 8085
3195 8088 3194 8091 3191 8093 3189 8095
TIME...MOT...LOC 2310Z 308DEG 11KT 3196 8094
$$
JAQ1 follow-up statement
394
WWUS52 KCHS 082335
SVSCHS
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE CHARLESTON SC
735 PM EDT MON AUG 8 2011
GAC051-082344-
/O.CAN.KCHS.TO.W.0009.000000T0000Z-110809T0000Z/
CHATHAM GA-
735 PM EDT MON AUG 8 2011
...THE TORNADO WARNING FOR EAST CENTRAL CHATHAM COUNTY HAS BEEN
CANCELLED...
AT 729 PM EDT...RADAR INDICATED THAT THE TORNADIC THUNDERSTORM WHICH
PROMPTED THE WARNING HAD WEAKENED...AND WAS NO LONGER CAPABLE OF
PRODUCING TORNADOES. THEREFORE...THE TORNADO WARNING HAS BEEN
CANCELED. HOWEVER...A SEVERE THUNDERSTORM REMAINS IN EFFECT THROUGH
830 PM.
ALTHOUGH THE TORNADO WARNING IS NO LONGER IN EFFECT...SEVERE
THUNDERSTORMS ARE STILL CAPABLE OF PRODUCING DAMAGING
WINDS...FREQUENT LIGHTNING AND HEAVY RAINFALL. THE SAFEST COURSE OF
ACTION IS TO REMAIN INDOORS UNTIL THE STORMS HAVE PASSED.
TO REPORT HAIL OR WIND DAMAGE...CONTACT THE CHARLESTON NATIONAL
WEATHER SERVICE AT 1-888-383-2024 OR EMAIL YOUR REPORTS TO
CHS.SKYWARN@NOAA.GOV. REPORTS CAN ALSO BE SENT THROUGH TWITTER USING
#WXREPORT.
LAT...LON 3196 8100 3201 8094 3198 8085 3197 8085
3195 8088 3194 8091 3191 8093 3189 8095
TIME...MOT...LOC 2334Z 308DEG 11KT 3191 8087
$$
JAQThe office that day
Everything else NWS Charleston, SC issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 8, 3:25 PM EDT | Heat Advisory | CHS | Bulloch, Candler, Effingham, Evans, Jenkins, Long and 2 more | 28 hr |
| Aug 8, 4:55 PM EDT | Special Weather Statement | CHS | Candler | 35 min |
| Aug 8, 5:32 PM EDT | Severe Thunderstorm Warning | CHS | Effingham | 58 min |
| Aug 8, 5:46 PM EDT | Severe Thunderstorm Warning | CHS | Bulloch, Candler | 47 min |
| Aug 8, 6:00 PM EDT | Severe Thunderstorm Warning | CHS | Chatham, Effingham | 60 min |
| Aug 8, 6:00 PM EDT | Severe Thunderstorm Warning | CHS | Bryan, Bulloch, Evans, Liberty | 60 min |
| Aug 8, 6:26 PM EDT | Severe Thunderstorm Warning | CHS | Bryan, Chatham, Effingham, Liberty | 64 min |
| Aug 8, 6:41 PM EDT | Severe Thunderstorm Warning | CHS | Liberty, Long | 64 min |
| Aug 8, 6:55 PM EDT | Special Weather Statement | CHS | Screven | 35 min |
| Aug 8, 7:02 PM EDT | Areal Flood Advisory | CHS | Bryan, Chatham | 118 min |
| Aug 8, 7:08 PM EDT | Tornado Warning | CHS | Bryan, Chatham, Liberty | 42 min |
| Aug 8, 7:16 PM EDT | Special Marine Warning | CHS | 119 min | |
| Aug 8, 7:26 PM EDT | Severe Thunderstorm Warning | CHS | Bryan, Chatham, Liberty | 64 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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.