Alert archive / Georgia / Flash Flood Warnings in 2016

Flash Flood Warning 6, NWS Charleston, SC

June 29, 2016Evans County, Tattnall County, Georgia

NWS Charleston, SC issued this flash flood warning at Jun 29, 2016, 4:57 PM EDT for Evans County, Tattnall County, Georgia. It was in force for 2 hr. 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
Jun 29, 2016, 4:57 PM EDT (20:57 UTC)
Expired
Jun 29, 2016, 7:00 PM EDT
In force
2 hr
Issued by
NWS Charleston, SC
Area
Storm-based polygon
Flood severity
None

Counties Evans County, GA, Tattnall County, GA

The radar

The Charleston,SC radar (KCLX), 117 km from the middle of the area, began a volume at 20:57 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
Jun 29, 5:13 PM EDTHEAVY RAIN 2.211 Ne Reidsville, GA

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, 9.0 hours before the alert went out and 181 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 2016-06-29Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1429 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 2016-06-29The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 37 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
1429 J/kg
Mixed-layer CIN
-41 J/kg
Mixed-layer LCL
800 m above ground
0-6 km bulk shear
12 kt
0-1 km storm-relative helicity
37 m²/s²
0-3 km storm-relative helicity
21 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

814 
WGUS52 KCHS 292057
FFWCHS
GAC109-267-292300-
/O.NEW.KCHS.FF.W.0006.160629T2057Z-160629T2300Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE CHARLESTON SC
457 PM EDT WED JUN 29 2016

THE NATIONAL WEATHER SERVICE IN CHARLESTON HAS ISSUED A

* FLASH FLOOD WARNING FOR PORTIONS OF...
  EVANS COUNTY IN SOUTHEASTERN GEORGIA...
  TATTNALL COUNTY IN SOUTHEASTERN GEORGIA...

* UNTIL 700 PM EDT

* AT 455 PM EDT...DOPPLER RADAR INDICATED A LARGE AREA OF
  THUNDERSTORMS WITH TORRENTIAL RAINS EXTENDING FROM NEW BRANCH TO
  CLAXTON. AS MUCH AS 2 TO 3 INCHES OF RAIN HAS ALREADY FALLEN IN
  SOME AREAS AND ADDITIONAL 2 TO 3 INCHES COULD FALL THROUGH 7 PM.
  THIS WILL RESULT IN FLASH FLOODING.

* SOME LOCATIONS THAT WILL EXPERIENCE FLOODING INCLUDE...
  REIDSVILLE...CLAXTON...GLENNVILLE...HAGAN...COLLINS...DAISY...BELLVILLE
  AND MANASSAS.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

EXCESSIVE RUNOFF FROM HEAVY RAINFALL WILL CAUSE FLOODING OF SMALL
CREEKS AND STREAMS...COUNTRY ROADS...FARMLAND...AND OTHER LOW LYING
SPOTS.

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 3208 8221 3216 8218 3220 8219 3221 8220
      3225 8187 3204 8177 3191 8207 3193 8222

$$
2 follow-up statements
235 
WGUS72 KCHS 292120
FFSCHS

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE CHARLESTON SC
520 PM EDT WED JUN 29 2016

GAC109-267-292300-
/O.CON.KCHS.FF.W.0006.000000T0000Z-160629T2300Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
EVANS GA-TATTNALL GA-
520 PM EDT WED JUN 29 2016

...A FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 700 PM EDT FOR
PORTIONS OF EVANS AND TATTNALL COUNTIES...

AT 520 PM EDT...DOPPLER RADAR INDICATED THUNDERSTORMS WITH HEAVY
RAIN EXTENDING FROM JUST SOUTH OF JOHNSON CENTER TO MIDWAY...
INCLUDING REIDSVILLE. AS MUCH AS 2 TO 4 INCHES OF RAIN HAS ALREADY
FALLEN IN SOME AREAS. AN ADDITIONAL 2 INCHES WILL BE POSSIBLE
THROUGH 7 PM. FLASH FLOODING IS EXPECTED...ESPECIALLY IN LOW LYING
AND POOR DRAINAGE AREAS.

AT 513 PM...A RAIN GAGE NEAR REIDSVILLE REPORTED 2.21 INCHES OF
RAIN.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

EXCESSIVE RUNOFF FROM HEAVY RAINFALL WILL CAUSE FLOODING OF SMALL
CREEKS AND STREAMS...COUNTRY ROADS...FARMLAND...AND OTHER LOW LYING
SPOTS.

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 3208 8221 3216 8218 3220 8219 3221 8220
      3225 8187 3204 8177 3191 8207 3193 8222

$$
215 
WGUS72 KCHS 292201
FFSCHS

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE CHARLESTON SC
601 PM EDT WED JUN 29 2016

GAC109-267-292211-
/O.CAN.KCHS.FF.W.0006.000000T0000Z-160629T2300Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
EVANS GA-TATTNALL GA-
601 PM EDT WED JUN 29 2016

...THE FLASH FLOOD WARNING FOR EVANS AND TATTNALL COUNTIES IS
CANCELLED...

THE HEAVY RAIN HAS ENDED. FLOODING IS NO LONGER EXPECTED TO POSE A
THREAT. PLEASE CONTINUE TO HEED ANY REMAINING ROAD CLOSURES.

LAT...LON 3208 8221 3216 8218 3220 8219 3221 8220
      3225 8187 3204 8177 3191 8207 3193 8222

$$

The office that day

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

IssuedProductOfficeCountiesLasted
Jun 28, 8:07 PM EDTSpecial Weather StatementCHSEvans68 min
Jun 28, 8:21 PM EDTAreal Flood AdvisoryCHSBryan, Bulloch, Candler, Chatham, Effingham, Evans and 3 more114 min
Jun 28, 8:52 PM EDTSpecial Weather StatementCHSChatham23 min
Jun 28, 8:57 PM EDTSevere Thunderstorm WarningCHSChatham63 min
Jun 29, 3:09 PM EDTSevere Thunderstorm WarningCHSEffingham66 min
Jun 29, 3:47 PM EDTSevere Thunderstorm WarningCHSChatham, Effingham58 min
Jun 29, 4:05 PM EDTSpecial Weather StatementCHSEvans25 min
Jun 29, 4:24 PM EDTSpecial Weather StatementCHSEvans, Tattnall36 min
Jun 29, 4:26 PM EDTAreal Flood AdvisoryCHSEvans, Tattnall94 min
Jun 29, 5:12 PM EDTSpecial Weather StatementCHSEvans18 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.