Alert archive / Georgia / Severe Thunderstorm Warnings in 2013

Severe Thunderstorm Warning 21, NWS Charleston, SC

April 19, 2013Liberty County, Long County, Tattnall County, Georgia

NWS Charleston, SC issued this severe thunderstorm warning at Apr 19, 2013, 4:42 PM EDT for Liberty County, Long County, Tattnall County, Georgia. It was in force for 48 min. 1 report 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 19, 2013, 4:42 PM EDT (20:42 UTC)
Expired
Apr 19, 2013, 5:30 PM EDT
In force
48 min
Issued by
NWS Charleston, SC
Area
Storm-based polygon

Counties Liberty County, GA, Long County, GA, Tattnall County, GA

The radar

The Charleston,SC radar (KCLX), 113 km from the middle of the area, began a volume at 20:42 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
Apr 19, 4:47 PM EDTTSTM WND DMG2 Ne Mendes, GATREES BLOWN DOWN ON HARMONY CHURCH ROAD. TIME ESTIMATED BASED ON RADAR.

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.

IssuedProductOfficeLasted
Apr 19, 2:36 PM EDTSevere Thunderstorm WatchSPC7 hr

The nearest sounding before it

Jacksonville, FL (KJAX), launched 12:00Z, 8.7 hours before the alert went out and 158 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 2013-04-19Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 93 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 2013-04-19The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -82 square meters per square second.193958Sfc1 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
93 J/kg
Mixed-layer CIN
-84 J/kg
Mixed-layer LCL
1102 m above ground
0-6 km bulk shear
18 kt
0-1 km storm-relative helicity
-82 m²/s²
0-3 km storm-relative helicity
-53 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.

684 
WUUS52 KCHS 192042
SVRCHS
GAC179-183-267-192130-
/O.NEW.KCHS.SV.W.0021.130419T2042Z-130419T2130Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE CHARLESTON SC
442 PM EDT FRI APR 19 2013

THE NATIONAL WEATHER SERVICE IN CHARLESTON HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR PORTIONS OF...
  TATTNALL COUNTY IN SOUTHEAST GEORGIA...
  LIBERTY COUNTY IN SOUTHEAST GEORGIA...
  LONG COUNTY IN SOUTHEAST GEORGIA...

* UNTIL 530 PM EDT

* AT 442 PM EDT...METEOROLOGISTS DETECTED A SEVERE THUNDERSTORM...10
  MILES SOUTHWEST OF DONALD...MOVING NORTHEAST AT 40 MPH.

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

* SOME LOCATIONS IN THE WARNING INCLUDE...
  DONALD...GLENNVILLE...MENDES...MIDWAY...MIDWAY...HINESVILLE...FORT
  STEWART...FLEMINGTON...

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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 3205 8189 3205 8176 3209 8171 3205 8164
      3197 8159 3196 8154 3189 8146 3166 8183
      3178 8196 3178 8198 3181 8202 3184 8208
      3186 8212 3188 8212 3190 8220
TIME...MOT...LOC 2042Z 226DEG 34KT 3178 8197

$$
2 follow-up statements
731 
WWUS52 KCHS 192100
SVSCHS

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE CHARLESTON SC
500 PM EDT FRI APR 19 2013

GAC267-192111-
/O.CAN.KCHS.SV.W.0021.000000T0000Z-130419T2130Z/
TATTNALL GA-
500 PM EDT FRI APR 19 2013

...THE SEVERE THUNDERSTORM WARNING FOR PORTIONS OF TATTNALL COUNTY
HAS BEEN CANCELLED...

A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL 1000 PM EDT
FRIDAY EVENING FOR SOUTHEAST GEORGIA AND SOUTHEAST SOUTH CAROLINA.

LAT...LON 3201 8183 3204 8177 3209 8171 3203 8164
      3197 8159 3196 8154 3189 8146 3166 8183
      3178 8196
TIME...MOT...LOC 2101Z 226DEG 36KT 3192 8175

$$

GAC179-183-192130-
/O.CON.KCHS.SV.W.0021.000000T0000Z-130419T2130Z/
LIBERTY GA-LONG GA-
500 PM EDT FRI APR 19 2013

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 530 PM EDT
FOR PORTIONS OF LIBERTY AND LONG COUNTIES...

AT 501 PM EDT...NATIONAL WEATHER SERVICE METEOROLOGISTS CONTINUED TO
DETECT A SEVERE THUNDERSTORM NEAR DONALD...MOVING NORTHEAST AT 40
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...DONALD...
FLEMINGTON...FORT STEWART...GUM BRANCH AND HINESVILLE.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL 1000 PM EDT
FRIDAY EVENING FOR SOUTHEAST GEORGIA AND SOUTHEAST SOUTH CAROLINA.

&&

LAT...LON 3201 8183 3204 8177 3209 8171 3203 8164
      3197 8159 3196 8154 3189 8146 3166 8183
      3178 8196
TIME...MOT...LOC 2101Z 226DEG 36KT 3192 8175

$$
448 
WWUS52 KCHS 192113
SVSCHS

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE CHARLESTON SC
513 PM EDT FRI APR 19 2013

GAC179-183-192123-
/O.CAN.KCHS.SV.W.0021.000000T0000Z-130419T2130Z/
LIBERTY GA-LONG GA-
513 PM EDT FRI APR 19 2013

...THE SEVERE THUNDERSTORM WARNING FOR PORTIONS OF LIBERTY AND LONG
COUNTIES HAS BEEN CANCELLED...

AT 513 PM EDT...RADAR INDICATED THAT THE THUNDERSTORM THAT PROMPTED
THE WARNING HAD WEAKENED...THUS THE WARNING HAS BEEN CANCELED.

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.

A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL 1000 PM EDT
FRIDAY EVENING FOR SOUTHEAST GEORGIA AND SOUTHEAST SOUTH CAROLINA.

LAT...LON 3201 8183 3204 8177 3209 8171 3203 8164
      3197 8159 3196 8154 3189 8146 3166 8183
      3178 8196
TIME...MOT...LOC 2113Z 226DEG 36KT 3200 8165

$$

The office that day

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

IssuedProductOfficeCountiesLasted
Apr 19, 3:33 PM EDTSpecial Weather StatementCHSCandler, Evans, Tattnall27 min
Apr 19, 3:59 PM EDTSpecial Weather StatementCHSBulloch, Candler, Evans31 min
Apr 19, 4:15 PM EDTSpecial Weather StatementCHSScreven30 min
Apr 19, 4:24 PM EDTSevere Thunderstorm WarningCHSBulloch, Screven66 min
Apr 19, 4:33 PM EDTSpecial Weather StatementCHSTattnall27 min
Apr 19, 4:34 PM EDTSevere Thunderstorm WarningCHSJenkins, Screven56 min
Apr 19, 4:38 PM EDTSevere Thunderstorm WarningCHSBryan, Bulloch, Effingham, Screven52 min
Apr 19, 4:56 PM EDTSpecial Weather StatementCHSCandler34 min
Apr 19, 5:18 PM EDTSevere Thunderstorm WarningCHSBryan, Chatham, Effingham, Liberty57 min
Apr 19, 6:21 PM EDTSpecial Weather StatementCHSChatham, McIntosh39 min

Nearby

Severe Thunderstorm Warnings in Georgia, 2013Every severe thunderstorm warning in 2013

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.