Alert archive / Georgia / Severe Thunderstorm Warnings in 2012

Severe Thunderstorm Warning 135, NWS Charleston, SC

July 5, 2012Jenkins County, Screven County, Georgia

NWS Charleston, SC issued this severe thunderstorm warning at Jul 5, 2012, 9:07 PM EDT for Jenkins County, Screven County, Georgia. It was in force for 53 min. 4 reports 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
Jul 5, 2012, 9:07 PM EDT (01:07 UTC)
Expired
Jul 5, 2012, 10:00 PM EDT
In force
53 min
Issued by
NWS Charleston, SC
Area
Storm-based polygon

Counties Jenkins County, GA, Screven County, GA

The radar

The Charleston,SC radar (KCLX), 77 km from the middle of the area, began a volume at 01:07 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
Jul 5, 9:16 PM EDTTSTM WND DMG4 Ene Hilltonia, GATREE DOWN ACROSS HARMONY ROAD OFF OF HIGHWAY 301. TIME ESTIMATED FROM RADAR.
Jul 5, 9:24 PM EDTTSTM WND DMGMillen, GANUMEROUS TREES AND POWER LINES DOWN IN MILLEN. TIME ESTIMATED FROM RADAR.
Jul 5, 9:29 PM EDTTSTM WND DMG3 N Woodcliff, GATREES WERE BLOWN DOWN ALONG BAY BRANCH ROAD. TIME WAS ESTIMATED FROM RADAR.
Jul 5, 9:55 PM EDTTSTM WND DMG1 E Rocky Ford, GATREES AND POWER LINES WERE BLOWN DOWN NEAR THE INTERSECTION OF SCARBORO HIGHWAY AND DIXON BRANCH ROAD. TIME WAS ESTIMATED FROM RADAR.

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 00:00Z, 1.1 hours before the alert went out and 171 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 00:00Z on 2012-07-06Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 3378 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 00:00Z on 2012-07-06The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 28 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
3378 J/kg
Mixed-layer CIN
-44 J/kg
Mixed-layer LCL
1198 m above ground
0-6 km bulk shear
11 kt
0-1 km storm-relative helicity
28 m²/s²
0-3 km storm-relative helicity
71 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.

242 
WUUS52 KCHS 060107
SVRCHS
GAC165-251-060200-
/O.NEW.KCHS.SV.W.0135.120706T0107Z-120706T0200Z/

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

THE NATIONAL WEATHER SERVICE IN CHARLESTON HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  JENKINS COUNTY IN SOUTHEAST GEORGIA...
  CENTRAL SCREVEN COUNTY IN SOUTHEAST GEORGIA...

* UNTIL 1000 PM EDT

* AT 907 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED
  SEVERE THUNDERSTORMS...ALONG A LINE EXTENDING FROM HILLTONIA TO
  PERKINS...MOVING SOUTHWEST AT 10 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...
  HILLTONIA...MILLHAVEN...PERKINS...SYLVANIA...ALTMAN...

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 3288 8213 3292 8209 3293 8196 3296 8188
      3295 8182 3292 8177 3296 8168 3292 8148
      3290 8148 3290 8147 3262 8152 3266 8185
      3266 8209 3282 8215
TIME...MOT...LOC 0107Z 023DEG 7KT 3284 8158 3294 8190

$$
2 follow-up statements
185 
WWUS52 KCHS 060128
SVSCHS

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE CHARLESTON SC
928 PM EDT THU JUL 5 2012

GAC165-251-060200-
/O.CON.KCHS.SV.W.0135.000000T0000Z-120706T0200Z/
SCREVEN GA-JENKINS GA-
928 PM EDT THU JUL 5 2012

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 1000 PM EDT
FOR JENKINS AND CENTRAL SCREVEN COUNTIES...

AT 927 PM EDT...NATIONAL WEATHER SERVICE METEOROLOGISTS CONTINUED TO
DETECT A LINE OF SEVERE THUNDERSTORMS ALONG A LINE EXTENDING FROM
LEWIS TO LAWTON...MOVING SOUTHWEST AT 20 MPH.

PREPARE NOW FOR THE FOLLOWING HAZARDS...
DAMAGING WINDS IN EXCESS OF 60 MPH...
HAIL UP TO THE SIZE OF HALF DOLLARS...
EXTREME CLOUD TO GROUND LIGHTNING...

SOME LOCATIONS IN OR NEAR THE PATH OF THIS STORM INCLUDE...ALTMAN...
BUTTS...EMMALANE...HERNDON...HILLTONIA...HUNTERS...MILLEN...
MILLHAVEN...PERKINS...ROCKY FORD...SCARBORO...SYLVANIA AND WOODCLIFF.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A SEVERE THUNDERSTORM IS CAPABLE OF PRODUCING LARGE HAIL...DAMAGING 
WINDS OF 58 MPH OR GREATER...DEADLY LIGHTNING AND VERY HEAVY RAIN. 
MOVE TO AN INTERIOR ROOM AND STAY AWAY FROM WINDOWS.

EXCESSIVE LIGHTNING IS OCCURRING WITH THIS THUNDERSTORM. IF
OUTDOORS... AVOID OPEN SPACES AND REMAIN LOW...KEEPING YOUR DISTANCE 
FROM TALL OBJECTS SUCH AS TREES. IF INDOORS...STAY AWAY FROM 
WINDOWS AND PLUMBING. ELECTRICAL APPLIANCES SHOULD BE UNPLUGGED 
UNTIL THE THUNDERSTORM IS NO LONGER A THREAT.

&&

LAT...LON 3288 8213 3292 8209 3293 8196 3296 8188
      3295 8182 3292 8177 3296 8168 3288 8147
      3262 8152 3266 8185 3266 8209 3282 8215
TIME...MOT...LOC 0127Z 039DEG 16KT 3280 8174 3287 8192

$$
939 
WWUS52 KCHS 060150
SVSCHS

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE CHARLESTON SC
950 PM EDT THU JUL 5 2012

GAC165-251-060200-
/O.CON.KCHS.SV.W.0135.000000T0000Z-120706T0200Z/
SCREVEN GA-JENKINS GA-
950 PM EDT THU JUL 5 2012

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 1000 PM EDT
FOR JENKINS AND CENTRAL SCREVEN COUNTIES...

AT 950 PM EDT...NATIONAL WEATHER SERVICE METEOROLOGISTS CONTINUED TO
DETECT A LINE OF SEVERE THUNDERSTORMS ALONG A LINE EXTENDING FROM
ZEIGLER TO LINCOLN STATE PARK...MOVING SOUTHWEST AT 25 MPH.

PREPARE NOW FOR THE FOLLOWING HAZARDS...
DAMAGING WINDS IN EXCESS OF 60 MPH...
HAIL UP TO QUARTER SIZE...
NEARLY CONTINUOUS CLOUD TO GROUND LIGHTNING...

SOME LOCATIONS IN OR NEAR THE PATH OF THIS STORM INCLUDE...ALTMAN...
BUTTS...EMMALANE...HERNDON...HUNTERS...MILLEN...PERKINS...ROCKY
FORD...SCARBORO...SYLVANIA AND WOODCLIFF.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A SEVERE THUNDERSTORM IS CAPABLE OF PRODUCING LARGE HAIL...DAMAGING
WINDS OF 58 MPH OR GREATER...DEADLY LIGHTNING AND VERY HEAVY RAIN. GO
INSIDE A STURDY SHELTER. MOVE TO AN INTERIOR ROOM AND STAY AWAY FROM
WINDOWS.

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 3288 8213 3292 8209 3293 8196 3296 8188
      3295 8182 3292 8177 3291 8173 3281 8148
      3262 8152 3266 8185 3266 8209 3282 8215
TIME...MOT...LOC 0150Z 042DEG 23KT 3273 8176 3280 8199

$$

The office that day

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

IssuedProductOfficeCountiesLasted
Jul 5, 8:43 PM EDTSpecial Weather StatementCHSScreven32 min
Jul 5, 10:02 PM EDTSpecial Weather StatementCHSBulloch, Candler43 min
Jul 6, 1:36 PM EDTSpecial Weather StatementCHSChatham24 min
Jul 6, 1:46 PM EDTSpecial Weather StatementCHSBryan29 min
Jul 6, 1:55 PM EDTSpecial Weather StatementCHSChatham50 min
Jul 6, 2:17 PM EDTSpecial Weather StatementCHSEffingham28 min
Jul 6, 2:22 PM EDTSevere Thunderstorm WarningCHSBryan, Bulloch, Chatham, Effingham38 min
Jul 6, 2:26 PM EDTSpecial Weather StatementCHSLiberty34 min
Jul 6, 2:30 PM EDTSpecial Weather StatementCHSEvans30 min
Jul 6, 3:27 PM EDTSpecial Weather StatementCHSLiberty33 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; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.