Alert archive / Georgia / Flash Flood Warnings in 2016

Flash Flood Warning 4, NWS Charleston, SC

May 29, 2016Bryan County, Bulloch County, Effingham County, Georgia

NWS Charleston, SC issued this flash flood warning at May 29, 2016, 9:55 AM EDT for Bryan County, Bulloch County, Effingham County, Georgia. It was in force for 5 hr. 2 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 29, 2016, 9:55 AM EDT (13:55 UTC)
Expired
May 29, 2016, 2:45 PM EDT
In force
5 hr
Issued by
NWS Charleston, SC
Area
Storm-based polygon
Flood severity
None

Counties Bryan County, GA, Bulloch County, GA, Effingham County, GA

The radar

The Charleston,SC radar (KCLX), 57 km from the middle of the area, began a volume at 13:56 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

TimeReportWhereRemark
May 29, 12:20 PM EDTFLASH FLOOD1 S Stilson, GASOCIAL MEDIA REPORT SHOWS MCELVEEN RD WASHED OUT
May 29, 12:30 PM EDTFLASH FLOOD3 Nne Eden, GAA TRAINED SPOTTER REPORTED THAT A POND OVERFLOWED AND FLOODED BLUE JAY ROAD NEAR WHERE IT INTERSECTS WITH HW-17. THE ROAD WAS CLOSED AND IMPASSABLE FOR APPROXIMATELY 30 MINUTES.

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 12:00Z, 1.9 hours before the alert went out and 155 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 12:00Z on 2016-05-29Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 666 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 12:00Z on 2016-05-29The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 103 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
666 J/kg
Mixed-layer CIN
-37 J/kg
Mixed-layer LCL
537 m above ground
0-6 km bulk shear
21 kt
0-1 km storm-relative helicity
103 m²/s²
0-3 km storm-relative helicity
216 m²/s²
Significant tornado parameter
0.0
Supercell composite
2.3

Open this sounding in Storm Lab

The text

As transmitted.

626 
WGUS52 KCHS 291355
FFWCHS
GAC029-031-103-291645-
/O.NEW.KCHS.FF.W.0004.160529T1355Z-160529T1645Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE CHARLESTON SC
955 AM EDT SUN MAY 29 2016

THE NATIONAL WEATHER SERVICE IN CHARLESTON HAS ISSUED A

* FLASH FLOOD WARNING FOR PORTIONS OF...
  BULLOCH COUNTY IN SOUTHEASTERN GEORGIA...
  EFFINGHAM COUNTY IN SOUTHEASTERN GEORGIA...
  BRYAN COUNTY IN SOUTHEASTERN GEORGIA...

* UNTIL 1245 PM EDT

* AT 950 AM EDT...DOPPLER RADAR INDICATED THUNDERSTORMS PRODUCING
  HEAVY RAIN ACROSS THE WARNED AREA. FLASH FLOODING IS EXPECTED TO
  BEGIN SHORTLY.

* SOME LOCATIONS THAT WILL EXPERIENCE FLOODING INCLUDE...
  STATESBORO...BAY...LANIER...BROOKLET...STILSON...MELDRIM...LEEFIELD AND
  MARLOW.

RAINFALL AMOUNTS OF 2 TO 4 INCHES OF RAIN HAVE BEEN REPORTED OVER
THE LAST 24 HOURS...WITH THE HEAVIEST AMOUNTS FALLING FROM AROUND
EDEN...NORTHEAST THROUGH STILSON AND BROOKLET...AS WELL AS
STATESBORO. A NEARLY STATIONARY BAND OF MODERATE TO HEAVY RAIN HAS
SET UP ACROSS THE WARNED AREA AND WILL LIKELY PRODUCE AN ADDITIONAL
1 TO 3 INCHES OF RAIN OVER THE NEXT 2 TO 3 HOURS.
FURTHERMORE...BULLOCH COUNTY DISPATCH RECENTLY REPORTED WATER ON
AREA ROADWAYS AND THE DOT IS BEGINNING TO CLOSE OFF ROADS WHERE THE
WATER IS GETTING DEEPEST.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

TURN AROUND...DON'T DROWN WHEN ENCOUNTERING FLOODED ROADS. MOST FLOOD
DEATHS OCCUR IN VEHICLES.

REPORT FLOODING DIRECTLY TO THE CHARLESTON NATIONAL WEATHER SERVICE
AT 1-888-383-2024 OR EMAIL YOUR REPORTS TO NWS.CHARLESTONSC@NOAA.GOV.

&&

LAT...LON 3220 8125 3205 8146 3243 8189 3255 8171
      3252 8164 3243 8159 3234 8151 3230 8137

$$
4 follow-up statements
094 
WGUS72 KCHS 291557
FFSCHS

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE CHARLESTON SC
1157 AM EDT SUN MAY 29 2016

GAC029-031-103-291645-
/O.CON.KCHS.FF.W.0004.000000T0000Z-160529T1645Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
BULLOCH GA-EFFINGHAM GA-BRYAN GA-
1157 AM EDT SUN MAY 29 2016

...A FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 1245 PM EDT FOR
PORTIONS OF BULLOCH...EFFINGHAM AND BRYAN COUNTIES...

AT 1148 AM EDT...DOPPLER RADAR CONTINUED TO INDICATE THUNDERSTORMS
PRODUCING HEAVY RAIN ACROSS THE WARNED AREA. FLASH FLOODING
IS EITHER ONGOING OR IS EXPECTED TO BEGIN SHORTLY.

SOME LOCATIONS THAT WILL EXPERIENCE FLOODING INCLUDE...
STATESBORO...BAY...LANIER...BROOKLET...STILSON...MELDRIM...LEEFIELD AND
MARLOW.

OVER THE LAST 3 HOURS...RAINFALL AMOUNTS OF BETWEEN 1 TO 3 INCHES
HAVE OCCURRED FROM AROUND LEEFIELD...TO STILSON AND EDEN. ANOTHER
AREA OF VERY HEAVY RAINFALL IS MOVING INTO THESE AREAS FROM THE
NORTH AND AN ADDITIONAL 1 TO 2 INCHES OF RAIN WILL BE POSSIBLE.
BULLOCH COUNTY DISPATCH RECENTLY REPORTED A FEW ROADS CLOSED AROUND
THE LEEFIELD AREA WHERE WATER FROM A POND WAS OVERFLOWING. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

TURN AROUND...DON'T DROWN WHEN ENCOUNTERING FLOODED ROADS. MOST FLOOD
DEATHS OCCUR IN VEHICLES.

REPORT FLOODING DIRECTLY TO THE CHARLESTON NATIONAL WEATHER SERVICE
AT 1-888-383-2024 OR EMAIL YOUR REPORTS TO NWS.CHARLESTONSC@NOAA.GOV.

&&

LAT...LON 3220 8125 3205 8146 3243 8189 3255 8171
      3252 8164 3243 8159 3234 8151 3230 8137

$$
685 
WGUS52 KCHS 291629
FFWCHS
GAC029-031-103-291845-
/O.EXT.KCHS.FF.W.0004.000000T0000Z-160529T1845Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE CHARLESTON SC
1229 PM EDT SUN MAY 29 2016

THE NATIONAL WEATHER SERVICE IN CHARLESTON HAS EXTENDED THE

* FLASH FLOOD WARNING FOR PORTIONS OF...
  BULLOCH COUNTY IN SOUTHEASTERN GEORGIA...
  EFFINGHAM COUNTY IN SOUTHEASTERN GEORGIA...
  BRYAN COUNTY IN SOUTHEASTERN GEORGIA...

* UNTIL 245 PM EDT

* AT 1224 PM EDT...DOPPLER RADAR INDICATED THUNDERSTORMS PRODUCING
  HEAVY RAIN ACROSS THE WARNED AREA. FLASH FLOODING IS EITHER
  ONGOING OR IS ALREADY OCCURRING.

* SOME LOCATIONS THAT WILL EXPERIENCE FLOODING INCLUDE...
  STATESBORO...BAY...LANIER...BROOKLET...STILSON...MELDRIM...LEEFIELD AND
  MARLOW.

RAINFALL AMOUNTS OF 3 TO 5 INCHES HAVE FALLEN OVER THE PAST 6 HOURS
AND ANOTHER BAND OF VERY HEAVY RAIN HAS DEVELOPED ACROSS THE AREA
FROM LEEFIELD TO STILSON...AND PINEORA TO EDEN. AN ADDITIONAL 1 TO 3
INCHES OF RAIN WILL BE POSSIBLE OVER THE NEXT 2 HOURS. BULLOCH
COUNTY DISPATCH HAS ALREADY REPORTED A COUPLE OF AREA PONDS
OVERFLOWING...WHICH HAS MADE HAGAN MILL POND ROAD AND ALEX KNIGHT
ROAD IMPASSABLE. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

TURN AROUND...DON'T DROWN WHEN ENCOUNTERING FLOODED ROADS. MOST FLOOD
DEATHS OCCUR IN VEHICLES.

REPORT FLOODING DIRECTLY TO THE CHARLESTON NATIONAL WEATHER SERVICE
AT 1-888-383-2024 OR EMAIL YOUR REPORTS TO NWS.CHARLESTONSC@NOAA.GOV.

&&

LAT...LON 3220 8125 3205 8146 3243 8189 3255 8171
      3252 8164 3243 8159 3234 8151 3230 8137

$$
147 
WGUS72 KCHS 291816
FFSCHS

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE CHARLESTON SC
216 PM EDT SUN MAY 29 2016

GAC029-291822-
/O.CAN.KCHS.FF.W.0004.000000T0000Z-160529T1845Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
BRYAN GA-
216 PM EDT SUN MAY 29 2016

...THE FLASH FLOOD WARNING FOR BRYAN COUNTY IS CANCELLED...

FLOODING IS NO LONGER EXPECTED TO POSE A THREAT. PLEASE CONTINUE TO
HEED ANY REMAINING ROAD CLOSURES.

LAT...LON 3249 8180 3255 8171 3252 8164 3243 8159
      3234 8151 3230 8137 3220 8125 3210 8139
      3211 8140 3221 8141 3222 8143 3224 8143
      3224 8144 3222 8152

$$

GAC031-103-291845-
/O.CON.KCHS.FF.W.0004.000000T0000Z-160529T1845Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
BULLOCH GA-EFFINGHAM GA-
216 PM EDT SUN MAY 29 2016

...A FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 245 PM EDT FOR
PORTIONS OF BULLOCH AND EFFINGHAM COUNTIES...

AT 212 PM EDT...EMERGENCY MANAGEMENT REPORTED FLOODING ONGOING
AROUND STILSON...LEEFIELD AND NORTH OF EDEN. NUMEROUS ROADS ARE
FLOODED AND IMPASSABLE...WITH SOME ROADS WASHED OUT WHERE SMALL
PONDS HAVE OVERFLOWED. 

SOME LOCATIONS THAT WILL EXPERIENCE FLOODING INCLUDE...
STATESBORO...BROOKLET...STILSON...MELDRIM...LEEFIELD...MARLOW...EDEN AND
PINEORA.

STORM TOTAL RAINFALL AMOUNTS OF 4 TO 6 INCHES OF RAIN HAVE
FALLEN...WITH SOME ISOLATED HIGHER AMOUNTS. THE RAINFALL HAS TAPERED
OFF SIGNIFICANTLY AND LITTLE TO NO ADDITIONAL RAIN IS EXPECTED OVER
THE NEXT HOUR.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

TURN AROUND...DON'T DROWN WHEN ENCOUNTERING FLOODED ROADS. MOST FLOOD
DEATHS OCCUR IN VEHICLES.

REPORT FLOODING DIRECTLY TO THE CHARLESTON NATIONAL WEATHER SERVICE
AT 1-888-383-2024 OR EMAIL YOUR REPORTS TO NWS.CHARLESTONSC@NOAA.GOV.

&&

LAT...LON 3249 8180 3255 8171 3252 8164 3243 8159
      3234 8151 3230 8137 3220 8125 3210 8139
      3211 8140 3221 8141 3222 8143 3224 8143
      3224 8144 3222 8152

$$
634 
WGUS72 KCHS 291846
FFSCHS

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE CHARLESTON SC
246 PM EDT SUN MAY 29 2016

GAC031-103-291855-
/O.EXP.KCHS.FF.W.0004.000000T0000Z-160529T1845Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
BULLOCH GA-EFFINGHAM GA-
246 PM EDT SUN MAY 29 2016

...THE FLASH FLOOD WARNING FOR BULLOCH AND EFFINGHAM COUNTIES HAS
EXPIRED...

THE HEAVY RAIN HAS ENDED. ANY REMAINING FLOOD WATERS WILL CONTINUE
TO RECEDE THIS AFTERNOON. 

LAT...LON 3249 8180 3255 8171 3252 8164 3243 8159
      3234 8151 3230 8137 3220 8125 3210 8139
      3211 8140 3221 8141 3222 8143 3224 8143
      3224 8144 3222 8152

$$

The office that day

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

IssuedProductOfficeCountiesLasted
May 29, 7:32 AM EDTAreal Flood AdvisoryCHSBulloch, Effingham, Jenkins, Screven118 min
May 29, 12:38 PM EDTAreal Flood AdvisoryCHSBulloch, Effingham, Screven112 min
May 29, 2:25 PM EDTFlash Flood WarningCHSScreven3 hr
May 29, 3:23 PM EDTAreal Flood AdvisoryCHSEffingham, Screven112 min

Nearby

Flash Flood Warnings in Georgia, 2016Every flash flood warning in 2016

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.