Alert archive / Georgia / Severe Thunderstorm Warnings in 2012

Severe Thunderstorm Warning 46, NWS Charleston, SC

April 5, 20125 counties in Georgia

NWS Charleston, SC issued this severe thunderstorm warning at Apr 5, 2012, 5:20 PM EDT for 5 counties in Georgia. It was in force for 55 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
Apr 5, 2012, 5:20 PM EDT (21:20 UTC)
Expired
Apr 5, 2012, 6:15 PM EDT
In force
55 min
Issued by
NWS Charleston, SC
Area
Storm-based polygon

Counties Bulloch County, GA, Candler County, GA, Jenkins County, GA, Screven County, GA, Tattnall County, GA

The radar

The Charleston,SC radar (KCLX), 87 km from the middle of the area, began a volume at 21:23 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 watch it was issued in

The SPC watch in force over the same counties when this warning went out.

IssuedProductOfficeLasted
Apr 5, 1:47 PM EDTSevere Thunderstorm WatchSPC7 hr

The nearest sounding before it

Charleston AFB, SC (KCHS), launched 12:00Z, 9.3 hours before the alert went out and 187 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 2012-04-05Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 490 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 2012-04-05The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 0 square meters per square second.19395878Sfc1 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
490 J/kg
Mixed-layer CIN
-94 J/kg
Mixed-layer LCL
1016 m above ground
0-6 km bulk shear
33 kt
0-1 km storm-relative helicity
0 m²/s²
0-3 km storm-relative helicity
50 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.

788 
WUUS52 KCHS 052120
SVRCHS
GAC031-043-165-251-267-052215-
/O.NEW.KCHS.SV.W.0046.120405T2120Z-120405T2215Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE CHARLESTON SC
520 PM EDT THU APR 5 2012

THE NATIONAL WEATHER SERVICE IN CHARLESTON HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  NORTHWESTERN BULLOCH COUNTY IN SOUTHEAST GEORGIA...
  CANDLER COUNTY IN SOUTHEAST GEORGIA...
  JENKINS COUNTY IN SOUTHEAST GEORGIA...
  WESTERN SCREVEN COUNTY IN SOUTHEAST GEORGIA...
  NORTHWESTERN TATTNALL COUNTY IN SOUTHEAST GEORGIA...

* UNTIL 615 PM EDT

* AT 520 PM EDT...NATIONAL WEATHER SERVICE METEOROLOGISTS DETECTED
  SEVERE THUNDERSTORMS...ALONG A LINE EXTENDING FROM 12 MILES WEST OF
  HERNDON TO 15 MILES SOUTHWEST OF BUTTS TO ALINE...MOVING NORTHEAST
  AT 45 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...
  COBBTOWN...ALINE...HERNDON...BUTTS...MILLEN...EMMALANE...

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 3252 8216 3256 8209 3255 8203 3260 8201
      3266 8209 3282 8215 3288 8213 3292 8209
      3293 8196 3296 8188 3292 8176 3301 8161
      3287 8153 3271 8157 3257 8174 3263 8182
      3236 8215 3225 8209 3221 8221 3236 8225
TIME...MOT...LOC 2120Z 234DEG 41KT 3283 8233 3263 8225
          3235 8223

$$
2 follow-up statements
725 
WWUS52 KCHS 052149
SVSCHS

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE CHARLESTON SC
549 PM EDT THU APR 5 2012

GAC267-052159-
/O.CAN.KCHS.SV.W.0046.000000T0000Z-120405T2215Z/
TATTNALL GA-
549 PM EDT THU APR 5 2012

...THE SEVERE THUNDERSTORM WARNING FOR NORTHWESTERN TATTNALL COUNTY
HAS BEEN CANCELLED...

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

LAT...LON 3242 8208 3243 8210 3247 8212 3251 8211
      3256 8209 3255 8203 3260 8201 3266 8209
      3282 8215 3288 8213 3292 8209 3293 8196
      3296 8188 3292 8176 3301 8161 3287 8153
      3271 8157 3257 8174 3263 8182 3240 8210
TIME...MOT...LOC 2149Z 234DEG 41KT 3302 8201 3282 8193
          3254 8191

$$

GAC031-043-165-251-052215-
/O.CON.KCHS.SV.W.0046.000000T0000Z-120405T2215Z/
SCREVEN GA-JENKINS GA-BULLOCH GA-CANDLER GA-
549 PM EDT THU APR 5 2012

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 615 PM EDT
FOR NORTH CENTRAL CANDLER...NORTHWESTERN BULLOCH...JENKINS AND
WESTERN SCREVEN COUNTIES...

AT 549 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO
INDICATE A LINE OF SEVERE THUNDERSTORMS ALONG A LINE EXTENDING FROM 8
MILES NORTH OF BIRDSVILLE TO LINCOLN STATE PARK TO COLLINS LAKE...
MOVING NORTHEAST AT 45 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...ALTMAN...
BUTTS...EMMALANE...HERNDON...HILLTONIA...MILLEN...MILLHAVEN...
PERKINS...ROCKY FORD...SCARBORO...SYLVANIA AND WOODCLIFF.

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 3242 8208 3243 8210 3247 8212 3251 8211
      3256 8209 3255 8203 3260 8201 3266 8209
      3282 8215 3288 8213 3292 8209 3293 8196
      3296 8188 3292 8176 3301 8161 3287 8153
      3271 8157 3257 8174 3263 8182 3240 8210
TIME...MOT...LOC 2149Z 234DEG 41KT 3302 8201 3282 8193
          3254 8191

$$
193 
WWUS52 KCHS 052201
SVSCHS

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE CHARLESTON SC
601 PM EDT THU APR 5 2012

GAC043-052211-
/O.CAN.KCHS.SV.W.0046.000000T0000Z-120405T2215Z/
CANDLER GA-
601 PM EDT THU APR 5 2012

...THE SEVERE THUNDERSTORM WARNING FOR NORTH CENTRAL CANDLER COUNTY
HAS BEEN CANCELLED...

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

LAT...LON 3259 8190 3259 8192 3259 8194 3260 8195
      3259 8196 3260 8198 3261 8199 3263 8202
      3266 8208 3281 8212 3288 8213 3292 8209
      3293 8196 3296 8187 3292 8176 3301 8161
      3287 8153 3271 8157 3257 8174 3263 8182
TIME...MOT...LOC 2201Z 234DEG 41KT 3298 8196 3278 8188
          3258 8187

$$

GAC031-165-251-052215-
/O.CON.KCHS.SV.W.0046.000000T0000Z-120405T2215Z/
SCREVEN GA-JENKINS GA-BULLOCH GA-
601 PM EDT THU APR 5 2012

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 615 PM EDT
FOR NORTHWESTERN BULLOCH...JENKINS AND WESTERN SCREVEN COUNTIES...

AT 601 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO
INDICATE A LINE OF SEVERE THUNDERSTORMS ALONG A LINE EXTENDING FROM
PERKINS TO SCARBORO TO 9 MILES SOUTHWEST OF ROCKY FORD...MOVING
NORTHEAST AT 45 MPH.

PREPARE NOW FOR THE FOLLOWING HAZARDS...
DAMAGING WINDS IN EXCESS OF 60 MPH...

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 3259 8190 3259 8192 3259 8194 3260 8195
      3259 8196 3260 8198 3261 8199 3263 8202
      3266 8208 3281 8212 3288 8213 3292 8209
      3293 8196 3296 8187 3292 8176 3301 8161
      3287 8153 3271 8157 3257 8174 3263 8182
TIME...MOT...LOC 2201Z 234DEG 41KT 3298 8196 3278 8188
          3258 8187

$$

The office that day

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

IssuedProductOfficeCountiesLasted
Apr 5, 4:35 AM EDTGale WatchCHS23 hr
Apr 5, 4:35 AM EDTSmall Craft AdvisoryCHS67 hr
Apr 5, 4:16 PM EDTSpecial Weather StatementCHSCandler29 min
Apr 5, 4:45 PM EDTSpecial Weather StatementCHSCandler30 min
Apr 5, 4:56 PM EDTSevere Thunderstorm WarningCHSBulloch, Candler, Evans, Tattnall64 min
Apr 5, 5:37 PM EDTSpecial Weather StatementCHSEffingham38 min
Apr 5, 6:10 PM EDTSpecial Weather StatementCHSEffingham35 min
Apr 5, 7:22 PM EDTSpecial Marine WarningCHS113 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.