Alert archive / Georgia / Severe Thunderstorm Warnings in 2012

Severe Thunderstorm Warning 72, NWS Charleston, SC

May 22, 2012Evans County, Tattnall County, Georgia

NWS Charleston, SC issued this severe thunderstorm warning at May 22, 2012, 3:05 PM EDT for Evans County, Tattnall County, Georgia. It was in force for 55 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
May 22, 2012, 3:05 PM EDT (19:05 UTC)
Expired
May 22, 2012, 4:00 PM EDT
In force
55 min
Issued by
NWS Charleston, SC
Area
Storm-based polygon

Counties Evans County, GA, Tattnall County, GA

The radar

The Charleston,SC radar (KCLX), 113 km from the middle of the area, began a volume at 19:08 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
May 22, 3:25 PM EDTTSTM WND DMG6 Ssw Reidsville, GASPOTTER REPORTED SEVERAL TREES DOWN NEAR REIDSVILLE WITH DIME SIZE HAIL.
May 22, 3:47 PM EDTTSTM WND DMG1 Nne Midway, GAEVANS COUNTY WARNING POINT REPORTED A POWER POLE AND POWER LINES DOWN ON STATE ROUTE 250. TIME ESTIMATED BY RADAR.
May 22, 3:52 PM EDTTSTM WND DMG3 Nne Midway, GA1 PECAN TREE DOWN. TIME 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

Jacksonville, FL (KJAX), launched 12:00Z, 7.1 hours before the alert went out and 176 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, Jacksonville, FL at 12:00Z on 2012-05-22Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 398 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, Jacksonville, FL at 12:00Z on 2012-05-22The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 32 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
398 J/kg
Mixed-layer CIN
-124 J/kg
Mixed-layer LCL
1333 m above ground
0-6 km bulk shear
25 kt
0-1 km storm-relative helicity
32 m²/s²
0-3 km storm-relative helicity
6 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.

418 
WUUS52 KCHS 221905
SVRCHS
GAC109-267-222000-
/O.NEW.KCHS.SV.W.0072.120522T1905Z-120522T2000Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE CHARLESTON SC
305 PM EDT TUE MAY 22 2012

THE NATIONAL WEATHER SERVICE IN CHARLESTON HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  EVANS COUNTY IN SOUTHEAST GEORGIA...
  TATTNALL COUNTY IN SOUTHEAST GEORGIA...

* UNTIL 400 PM EDT

* AT 305 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM...8 MILES SOUTHWEST OF GORDONIA ALTAMAHA STATE
  PARK...MOVING EAST AT 30 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...
  REIDSVILLE...GORDONIA ALTAMAHA STATE PARK...COLLINS...MANASSAS...
  MENDES...BELLVILLE...HAGAN...MIDWAY...

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 3209 8221 3215 8219 3220 8220 3226 8186
      3224 8183 3204 8177 3202 8182 3197 8186
      3197 8188 3192 8190 3189 8218 3191 8223
TIME...MOT...LOC 1905Z 253DEG 26KT 3202 8224

$$
2 follow-up statements
798 
WWUS52 KCHS 221921
SVSCHS

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE CHARLESTON SC
321 PM EDT TUE MAY 22 2012

GAC109-267-222000-
/O.CON.KCHS.SV.W.0072.000000T0000Z-120522T2000Z/
TATTNALL GA-EVANS GA-
321 PM EDT TUE MAY 22 2012

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 400 PM EDT
FOR EVANS AND TATTNALL COUNTIES...

AT 321 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO
INDICATE A SEVERE THUNDERSTORM NEAR REIDSVILLE...MOVING EAST AT 30
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...
BELLVILLE...CLAXTON...COLLINS...DAISY...GLENNVILLE...GORDONIA
ALTAMAHA STATE PARK...HAGAN...MANASSAS...MENDES...MIDWAY AND
REIDSVILLE.

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.

&&

LAT...LON 3209 8221 3215 8219 3220 8220 3226 8186
      3224 8183 3204 8177 3202 8182 3197 8186
      3197 8188 3192 8190 3189 8218 3191 8223
TIME...MOT...LOC 1921Z 259DEG 28KT 3204 8211

$$
493 
WWUS52 KCHS 221937
SVSCHS

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE CHARLESTON SC
337 PM EDT TUE MAY 22 2012

GAC109-267-222000-
/O.CON.KCHS.SV.W.0072.000000T0000Z-120522T2000Z/
TATTNALL GA-EVANS GA-
337 PM EDT TUE MAY 22 2012

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 400 PM EDT
FOR EVANS AND TATTNALL COUNTIES...

AT 337 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO
INDICATE A SEVERE THUNDERSTORM NEAR DANIELS...MOVING EAST AT 30 MPH.

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

TRAINED WEATHER SPOTTERS REPORTED THAT A TREE WAS BLOWN DOWN IN 
REIDSVILLE.

SOME LOCATIONS IN OR NEAR THE PATH OF THIS STORM INCLUDE...
BELLVILLE...CLAXTON...COLLINS...DAISY...GLENNVILLE...GORDONIA
ALTAMAHA STATE PARK...HAGAN...MANASSAS...MENDES...MIDWAY AND
REIDSVILLE.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

REMAIN ALERT. WEATHER CONDITIONS WILL RAPIDLY DETERIORATE AS STORMS
APPROACH. SEEK SHELTER IN A STURDY BUILDING...MOVE TO AN INTERIOR
ROOM AND STAY AWAY FROM WINDOWS.

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

&&

LAT...LON 3209 8221 3215 8219 3220 8220 3226 8186
      3224 8183 3204 8177 3202 8182 3197 8186
      3197 8188 3192 8190 3189 8218 3191 8223
TIME...MOT...LOC 1937Z 259DEG 28KT 3206 8197

$$

The office that day

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

IssuedProductOfficeCountiesLasted
May 22, 3:51 PM EDTSevere Thunderstorm WarningCHSBryan, Evans, Liberty, Tattnall36 min
May 22, 4:23 PM EDTSpecial Weather StatementCHSLong37 min
May 22, 4:26 PM EDTSpecial Weather StatementCHSScreven34 min
May 22, 4:34 PM EDTSevere Thunderstorm WarningCHSBulloch, Effingham, Screven40 min
May 22, 5:12 PM EDTSpecial Weather StatementCHSChatham33 min
May 22, 5:28 PM EDTSevere Thunderstorm WarningCHSBryan, Chatham45 min
May 22, 5:31 PM EDTSpecial Marine WarningCHS89 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.