Alert archive / Georgia / Severe Thunderstorm Warnings in 2012

Severe Thunderstorm Warning 29, NWS Charleston, SC

March 16, 2012Bulloch County, Effingham County, Georgia

NWS Charleston, SC issued this severe thunderstorm warning at Mar 16, 2012, 6:27 PM EDT for Bulloch County, Effingham County, Georgia. It was in force for 63 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
Mar 16, 2012, 6:27 PM EDT (22:27 UTC)
Expired
Mar 16, 2012, 7:30 PM EDT
In force
63 min
Issued by
NWS Charleston, SC
Area
Storm-based polygon

Counties Bulloch County, GA, Effingham County, GA

The radar

The Charleston,SC radar (KCLX), 47 km from the middle of the area, began a volume at 22:30 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.

The nearest sounding before it

Charleston AFB, SC (KCHS), launched 12:00Z, 10.5 hours before the alert went out and 148 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 2012-03-16Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 473 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 2012-03-16The 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
473 J/kg
Mixed-layer CIN
-95 J/kg
Mixed-layer LCL
920 m above ground
0-6 km bulk shear
11 kt
0-1 km storm-relative helicity
-20 m²/s²
0-3 km storm-relative helicity
37 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.

067 
WUUS52 KCHS 162227
SVRCHS
GAC031-103-162330-
/O.NEW.KCHS.SV.W.0029.120316T2227Z-120316T2330Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE CHARLESTON SC
627 PM EDT FRI MAR 16 2012

THE NATIONAL WEATHER SERVICE IN CHARLESTON HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  EAST CENTRAL BULLOCH COUNTY IN SOUTHEAST GEORGIA...
  NORTHERN EFFINGHAM COUNTY IN SOUTHEAST GEORGIA...

* UNTIL 730 PM EDT

* AT 628 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED
  SEVERE THUNDERSTORMS...ALONG A LINE EXTENDING FROM EGYPT TO 6 MILES
  SOUTHEAST OF EGYPT...MOVING EAST AT 10 MPH.

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

* SOME LOCATIONS IN THE WARNING INCLUDE...
  EGYPT...KILDARE...SPRINGFIELD...SHAWNEE...STILLWELL...

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 3250 8156 3249 8155 3250 8154 3251 8153
      3256 8142 3238 8120 3233 8144 3246 8165
TIME...MOT...LOC 2228Z 259DEG 9KT 3244 8153 3238 8143

$$
4 follow-up statements
213 
WWUS52 KCHS 162250
SVSCHS

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE CHARLESTON SC
650 PM EDT FRI MAR 16 2012

GAC031-162301-
/O.CAN.KCHS.SV.W.0029.000000T0000Z-120316T2330Z/
BULLOCH GA-
650 PM EDT FRI MAR 16 2012

...THE SEVERE THUNDERSTORM WARNING FOR EAST CENTRAL BULLOCH COUNTY
HAS BEEN CANCELLED...

LAT...LON 3255 8141 3238 8120 3233 8144 3239 8152
      3244 8153 3245 8153 3247 8154 3248 8154
TIME...MOT...LOC 2251Z 271DEG 9KT 3242 8146

$$

GAC103-162330-
/O.CON.KCHS.SV.W.0029.000000T0000Z-120316T2330Z/
EFFINGHAM GA-
650 PM EDT FRI MAR 16 2012

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 730 PM EDT
FOR NORTHERN EFFINGHAM COUNTY...

AT 651 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO
INDICATE A SEVERE THUNDERSTORM NEAR GRIFFIN LAKE...MOVING EAST AT 10
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...EGYPT...
SHAWNEE...SPRINGFIELD AND STILLWELL.

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 3255 8141 3238 8120 3233 8144 3239 8152
      3244 8153 3245 8153 3247 8154 3248 8154
TIME...MOT...LOC 2251Z 271DEG 9KT 3242 8146

$$
579 
WWUS52 KCHS 162259
SVSCHS

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE CHARLESTON SC
659 PM EDT FRI MAR 16 2012

GAC103-162330-
/O.CON.KCHS.SV.W.0029.000000T0000Z-120316T2330Z/
EFFINGHAM GA-
659 PM EDT FRI MAR 16 2012

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 730 PM EDT
FOR NORTHERN EFFINGHAM COUNTY...

AT 659 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO
INDICATE A SEVERE THUNDERSTORM NEAR GRIFFIN LAKE...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...EGYPT...
SHAWNEE...SPRINGFIELD AND STILLWELL.

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 3248 8154 3252 8137 3238 8120 3233 8144
      3240 8151
TIME...MOT...LOC 2259Z 271DEG 9KT 3242 8144

$$
648 
WWUS52 KCHS 162313
SVSCHS

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE CHARLESTON SC
713 PM EDT FRI MAR 16 2012

GAC103-162330-
/O.CON.KCHS.SV.W.0029.000000T0000Z-120316T2330Z/
EFFINGHAM GA-
713 PM EDT FRI MAR 16 2012

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 730 PM EDT
FOR CENTRAL EFFINGHAM COUNTY...

AT 713 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO
INDICATE A SEVERE THUNDERSTORM NEAR TUSCULUM...MOVING EAST AT 15 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...EGYPT AND
SPRINGFIELD.

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 3240 8151 3246 8151 3247 8137 3236 8127
      3233 8144
TIME...MOT...LOC 2313Z 288DEG 11KT 3240 8142

$$
055 
WWUS52 KCHS 162321
SVSCHS

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE CHARLESTON SC
721 PM EDT FRI MAR 16 2012

GAC103-162331-
/O.EXP.KCHS.SV.W.0029.000000T0000Z-120316T2330Z/
EFFINGHAM GA-
721 PM EDT FRI MAR 16 2012

...THE SEVERE THUNDERSTORM WARNING FOR CENTRAL EFFINGHAM COUNTY WILL
EXPIRE AT 730 PM EDT...

AT 721 PM EDT...RADAR INDICATED THAT THE THUNDERSTORM WHICH PROMPTED
THE WARNING HAD WEAKENED...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...SMALL
HAIL...FREQUENT LIGHTNING AND HEAVY RAINFALL. 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 3240 8151 3246 8151 3247 8137 3236 8127
      3233 8144
TIME...MOT...LOC 2321Z 288DEG 11KT 3239 8139

$$

The office that day

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

IssuedProductOfficeCountiesLasted
Mar 16, 4:23 PM EDTSpecial Weather StatementCHSTattnall37 min
Mar 16, 4:24 PM EDTSpecial Weather StatementCHSBryan36 min
Mar 16, 4:28 PM EDTSevere Thunderstorm WarningCHSBryan, Evans, Liberty, Long, Tattnall40 min
Mar 16, 4:41 PM EDTSevere Thunderstorm WarningCHSBulloch, Candler, Evans, Tattnall35 min
Mar 16, 4:49 PM EDTSevere Thunderstorm WarningCHSEffingham41 min
Mar 16, 5:04 PM EDTSpecial Weather StatementCHSBryan26 min
Mar 16, 5:26 PM EDTSevere Thunderstorm WarningCHSEffingham, Screven64 min
Mar 16, 5:38 PM EDTSevere Thunderstorm WarningCHSBulloch, Effingham67 min
Mar 16, 7:34 PM EDTSpecial Marine WarningCHS86 min
Mar 16, 7:47 PM EDTSpecial Weather StatementCHSChatham58 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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.