Alert archive / Georgia / Severe Thunderstorm Warnings in 2012

Severe Thunderstorm Warning 45, NWS Charleston, SC

April 5, 20124 counties in Georgia

NWS Charleston, SC issued this severe thunderstorm warning at Apr 5, 2012, 4:56 PM EDT for 4 counties in Georgia. It was in force for 64 min. 3 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: Apr 5, 2012, 4:56 PM EDT (20:56 UTC)
Expired: Apr 5, 2012, 6:00 PM EDT
In force: 64 min
Issued by: NWS Charleston, SC
Area: Storm-based polygon

Counties Bulloch County, GA, Candler County, GA, Evans County, GA, Tattnall County, GA

The radar

The Charleston,SC radar (KCLX), 65 km from the middle of the area, began a volume at 20:56 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

Time	Report	Where	Remark
Apr 5, 5:00 PM EDT	HAIL 0.25	6 E Cobbtown, GA	PEA SIZE HAIL FELL FROM 450 PM TO 500 PM. SEVERAL SMALL BRANCHES DOWN.
Apr 5, 5:09 PM EDT	TSTM WND DMG	5 Ssw Register, GA	THE PUBLIC REPORTED 3 TREES DOWN.
Apr 5, 5:09 PM EDT	HAIL 0.88	5 Ssw Register, GA	THE PUBLIC REPORTED NICKEL SIZE HAIL.

Local storm reports filed while the alert was in force, from inside its polygon or its counties.

The watch it was issued in

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

Issued	Product	Office	Lasted
Apr 5, 1:47 PM EDT	Severe Thunderstorm Watch	SPC	7 hr

The nearest sounding before it

Charleston AFB, SC (KCHS), launched 12:00Z, 8.9 hours before the alert went out and 167 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-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

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.

894 
WUUS52 KCHS 052056
SVRCHS
GAC031-043-109-267-052200-
/O.NEW.KCHS.SV.W.0045.120405T2056Z-120405T2200Z/

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

THE NATIONAL WEATHER SERVICE IN CHARLESTON HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  BULLOCH COUNTY IN SOUTHEAST GEORGIA...
  SOUTHEASTERN CANDLER COUNTY IN SOUTHEAST GEORGIA...
  NORTHERN EVANS COUNTY IN SOUTHEAST GEORGIA...
  NORTH CENTRAL TATTNALL COUNTY IN SOUTHEAST GEORGIA...

* UNTIL 600 PM EDT

* AT 456 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM...9 MILES SOUTH OF METTER...MOVING NORTHEAST AT
  25 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...
  METTER...PULASKI...REGISTER...WESTSIDE...NEVILS...PORTAL...
  HOPEULIKIT...

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 3265 8182 3264 8180 3263 8180 3255 8169
      3251 8160 3251 8158 3248 8154 3247 8154
      3244 8153 3242 8154 3231 8146 3215 8205
      3236 8216
TIME...MOT...LOC 2056Z 247DEG 23KT 3228 8203

$$

1 follow-up statement

038 
WWUS52 KCHS 052132
SVSCHS

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

GAC031-043-109-267-052200-
/O.CON.KCHS.SV.W.0045.000000T0000Z-120405T2200Z/
TATTNALL GA-EVANS GA-BULLOCH GA-CANDLER GA-
532 PM EDT THU APR 5 2012

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 600 PM EDT
FOR SOUTHEASTERN CANDLER...BULLOCH...NORTHERN EVANS AND NORTH CENTRAL
TATTNALL COUNTIES...

AT 532 PM EDT...NATIONAL WEATHER SERVICE METEOROLOGISTS CONTINUED TO
DETECT A LINE OF SEVERE THUNDERSTORMS ALONG A LINE EXTENDING FROM 6
MILES NORTHWEST OF METTER MUNICIPLE AIRPORT TO BRANNEN LAKE TO 6 
MILES WEST OF MANASSAS...MOVING NORTHEAST AT 45 MPH. ANOTHER SEVERE 
THUNDERSTORM WAS NEAR BROOKLET IN BULLOCH COUNTY.

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...
BROOKLET...DENMARK...GEORGIA SOUTHERN...HOPEULIKIT...LEEFIELD...
MANASSAS...METTER...MIDDLEGROUND...NEVILS...PORTAL...PULASKI...
REGISTER...STATESBORO...STILSON AND WESTSIDE.

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 3265 8182 3264 8180 3263 8180 3255 8169
      3251 8160 3251 8158 3248 8154 3247 8154
      3244 8153 3242 8154 3231 8146 3215 8205
      3236 8216
TIME...MOT...LOC 2132Z 246DEG 39KT 3245 8210 3233 8204
          3218 8206

$$

The office that day

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

Issued	Product	Office	Counties	Lasted
Apr 5, 4:35 AM EDT	Gale Watch	CHS		23 hr
Apr 5, 4:35 AM EDT	Small Craft Advisory	CHS		67 hr
Apr 5, 4:16 PM EDT	Special Weather Statement	CHS	Candler	29 min
Apr 5, 4:45 PM EDT	Special Weather Statement	CHS	Candler	30 min
Apr 5, 5:20 PM EDT	Severe Thunderstorm Warning	CHS	Bulloch, Candler, Jenkins, Screven, Tattnall	55 min
Apr 5, 5:37 PM EDT	Special Weather Statement	CHS	Effingham	38 min
Apr 5, 6:10 PM EDT	Special Weather Statement	CHS	Effingham	35 min
Apr 5, 7:22 PM EDT	Special Marine Warning	CHS		113 min

Nearby

Severe Thunderstorm Warnings in Georgia, 2012 Every 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.