Alert archive / Georgia / Severe Thunderstorm Warnings in 2015

Severe Thunderstorm Warning 21, NWS Charleston, SC

April 25, 20156 counties in Georgia

NWS Charleston, SC issued this severe thunderstorm warning at Apr 25, 2015, 8:29 PM EDT for 6 counties in Georgia. It was in force for 61 min. 5 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 25, 2015, 8:29 PM EDT (00:29 UTC)
Expired
Apr 25, 2015, 9:30 PM EDT
In force
61 min
Issued by
NWS Charleston, SC
Area
Storm-based polygon
Hail
1.0 in
Wind
60.0 mph

Counties Bryan County, GA, Bulloch County, GA, Evans County, GA, Liberty County, GA, Long County, GA, Tattnall County, GA

What was reported inside it

TimeReportWhereRemark
Apr 25, 8:30 PM EDTTSTM WND DMG2 Nnw Nevils, GATREE DOWN ON HIGHWAY 46 NEAR TRAPNELL RD.
Apr 25, 8:33 PM EDTTSTM WND DMG1 Ssw Gordonia Altamaha, GATREE DOWN ACROSS HUTCHESON RD
Apr 25, 8:33 PM EDTTSTM WND DMG1 Sw Denmark, GATREE DOWN ON HIGHWAY 46 NEAR BROOKLET DENMARK RD.
Apr 25, 8:35 PM EDTTSTM WND DMG1 S Reidsville, GATREE DOWN ON HOUSE ON 100 BLOCK SMITH AVE
Apr 25, 9:24 PM EDTTSTM WND DMG2 Sse Walthourville, GATREE DOWN ON TIBET RD

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 25, 6:28 PM EDTSevere Thunderstorm WatchSPC4 hr

The nearest sounding before it

Jacksonville, FL (KJAX), launched 00:00Z, 0.5 hours before the alert went out and 153 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 00:00Z on 2015-04-26Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1050 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Jacksonville, FL at 00:00Z on 2015-04-26The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 332 square meters per square second.1939587897Sfc1 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
1050 J/kg
Mixed-layer CIN
-105 J/kg
Mixed-layer LCL
914 m above ground
0-6 km bulk shear
68 kt
0-1 km storm-relative helicity
332 m²/s²
0-3 km storm-relative helicity
324 m²/s²
Significant tornado parameter
0.0
Supercell composite
2.1

Open this sounding in Storm Lab

The text

As transmitted, in the capitals the NWS used until 2016.

548 
WUUS52 KCHS 260029
SVRCHS
GAC029-031-109-179-183-267-260130-
/O.NEW.KCHS.SV.W.0021.150426T0029Z-150426T0130Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE CHARLESTON SC
829 PM EDT SAT APR 25 2015

THE NATIONAL WEATHER SERVICE IN CHARLESTON HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR PORTIONS OF...
  BRYAN COUNTY IN SOUTHEASTERN GEORGIA...
  BULLOCH COUNTY IN SOUTHEASTERN GEORGIA...
  EVANS COUNTY IN SOUTHEASTERN GEORGIA...
  LIBERTY COUNTY IN SOUTHEASTERN GEORGIA...
  LONG COUNTY IN SOUTHEASTERN GEORGIA...
  TATTNALL COUNTY IN SOUTHEASTERN GEORGIA...

* UNTIL 930 PM EDT

* AT 828 PM EDT...SEVERE THUNDERSTORMS WERE LOCATED ALONG A LINE
  EXTENDING FROM NEAR DENMARK TO NEAR WEST GREEN...MOVING SOUTHEAST
  AT 35 MPH.

  HAZARD...QUARTER SIZE HAIL AND 60 MPH WIND GUSTS. 

  SOURCE...RADAR INDICATED. 

  IMPACT...HAIL DAMAGE TO VEHICLES IS EXPECTED. EXPECT WIND DAMAGE 
           TO ROOFS...SIDING AND TREES. 

* LOCATIONS IMPACTED INCLUDE...
  HINESVILLE...REIDSVILLE...CLAXTON...LUDOWICI...FORT STEWART AND
  TIBET.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

THESE THUNDERSTORMS HAVE A HISTORY OF WIND DAMAGE. PREPARE 
IMMEDIATELY FOR LARGE HAIL AND DAMAGING WINDS. PEOPLE OUTSIDE SHOULD 
MOVE TO A SHELTER...INSIDE A STRONG BUILDING AND AWAY FROM WINDOWS.

REPORT DAMAGE DIRECTLY TO THE CHARLESTON NATIONAL WEATHER SERVICE AT
1-888-383-2024 WHEN IT IS SAFE TO DO SO.

TORRENTIAL RAINFALL IS OCCURRING WITH THESE STORMS...AND MAY LEAD TO
FLASH FLOODING. DO NOT DRIVE YOUR VEHICLE THROUGH FLOODED ROADWAYS.

&&

LAT...LON 3216 8218 3220 8219 3232 8173 3209 8167
      3205 8138 3169 8150 3158 8157 3154 8168
      3161 8174 3167 8181 3165 8181 3167 8185
      3179 8195 3179 8198 3182 8202 3187 8212
      3191 8213 3191 8222
TIME...MOT...LOC 0028Z 311DEG 32KT 3222 8169 3167 8269 

HAIL...1.00IN
WIND...60MPH

$$
1 follow-up statement
670 
WWUS52 KCHS 260059
SVSCHS

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE CHARLESTON SC
859 PM EDT SAT APR 25 2015

GAC031-260107-
/O.CAN.KCHS.SV.W.0021.000000T0000Z-150426T0130Z/
BULLOCH GA-
859 PM EDT SAT APR 25 2015

...THE SEVERE THUNDERSTORM WARNING FOR BULLOCH COUNTY IS CANCELLED...

THE LINE OF STORMS WHICH PROMPTED THE WARNING HAVE MOVED OUT OF THE 
WARNED AREA...THEREFORE THE WARNING HAS BEEN CANCELLED.

A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL MIDNIGHT EDT FOR
SOUTHEASTERN GEORGIA.

LAT...LON 3203 8220 3213 8168 3209 8167 3205 8138
      3169 8150 3158 8157 3154 8168 3161 8174
      3167 8181 3165 8181 3167 8185 3179 8195
      3179 8198 3182 8202 3187 8212 3191 8213
      3191 8222
TIME...MOT...LOC 0057Z 311DEG 32KT 3206 8147 3151 8247 

$$

GAC029-109-179-183-267-260130-
/O.CON.KCHS.SV.W.0021.000000T0000Z-150426T0130Z/
BRYAN GA-EVANS GA-LIBERTY GA-LONG GA-TATTNALL GA-
859 PM EDT SAT APR 25 2015

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 930 PM EDT
FOR BRYAN...EVANS...LIBERTY...LONG AND TATTNALL COUNTIES...

AT 857 PM EDT...SEVERE THUNDERSTORMS WERE LOCATED ALONG A LINE
EXTENDING FROM NEAR ELLABELL TO NEAR ALMA...MOVING SOUTHEAST AT 35
MPH.

HAZARD...60 MPH WIND GUSTS AND NICKEL SIZE HAIL. 

SOURCE...RADAR INDICATED. 

IMPACT...EXPECT DAMAGE TO ROOFS...SIDING AND TREES. 

LOCATIONS IMPACTED INCLUDE...
HINESVILLE...LUDOWICI...FORT STEWART AND TIBET. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

FOR YOUR PROTECTION MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR OF A
BUILDING.

PREPARE IMMEDIATELY FOR LARGE HAIL AND DAMAGING WINDS. PEOPLE OUTSIDE
SHOULD MOVE TO A SHELTER...INSIDE A STRONG BUILDING AND AWAY FROM
WINDOWS.

REPORT DAMAGE DIRECTLY TO THE CHARLESTON NATIONAL WEATHER SERVICE AT
1-888-383-2024 WHEN IT IS SAFE TO DO SO.

TORRENTIAL RAINFALL IS OCCURRING WITH THESE STORMS...AND MAY LEAD TO
FLASH FLOODING. DO NOT DRIVE YOUR VEHICLE THROUGH FLOODED ROADWAYS.

&&

LAT...LON 3203 8220 3213 8168 3209 8167 3205 8138
      3169 8150 3158 8157 3154 8168 3161 8174
      3167 8181 3165 8181 3167 8185 3179 8195
      3179 8198 3182 8202 3187 8212 3191 8213
      3191 8222
TIME...MOT...LOC 0057Z 311DEG 32KT 3206 8147 3151 8247 

HAIL...0.88IN
WIND...60MPH

$$

MTE

The office that day

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

IssuedProductOfficeCountiesLasted
Apr 25, 8:07 PM EDTSevere Thunderstorm WarningCHSBryan, Bulloch, Chatham, Effingham53 min
Apr 25, 8:58 PM EDTSevere Thunderstorm WarningCHSBryan, Chatham, Effingham, Liberty, McIntosh48 min
Apr 25, 9:19 PM EDTSevere Thunderstorm WarningCHSLiberty, Long, McIntosh56 min

Nearby

Severe Thunderstorm Warnings in Georgia, 2015Every severe thunderstorm warning in 2015

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.