Alert archive / Georgia / Rip Current Statements in 2013

Rip Current Statement 7, NWS Jacksonville, FL

September 18, 2013Camden County, Glynn County, Georgia; Flagler County, Nassau County, Florida

NWS Jacksonville, FL issued this rip current statement at Sep 18, 2013, 3:46 AM EDT for Camden County, Glynn County, Georgia; Flagler County, Nassau County, Florida. It took effect at Sep 18, 2013, 6:00 AM EDT. It was in force for 22 hr.

The area

The counties it named.

The facts

Issued
Sep 18, 2013, 3:46 AM EDT (07:46 UTC)
In effect from
Sep 18, 2013, 6:00 AM EDT
Expired
Sep 19, 2013, 3:37 AM EDT
In force
22 hr
Issued by
NWS Jacksonville, FL

Counties Flagler County, FL, Nassau County, FL, Camden County, GA, Glynn County, GA

The radar

The Jacksonville radar (KJAX), 17 km from the middle of the area, began a volume at 07:48 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.

The nearest sounding before it

Jacksonville, FL (KJAX), launched 00:00Z, 7.8 hours before the alert went out and 16 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 2013-09-18Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1346 joules per kilogram.LCLEL10008507005003002001001 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 00:00Z on 2013-09-18The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -45 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
1346 J/kg
Mixed-layer CIN
-4 J/kg
Mixed-layer LCL
587 m above ground
0-6 km bulk shear
12 kt
0-1 km storm-relative helicity
-45 m²/s²
0-3 km storm-relative helicity
0 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.

032 
WHUS42 KJAX 180746
CFWJAX

COASTAL HAZARD MESSAGE
NATIONAL WEATHER SERVICE JACKSONVILLE FL
346 AM EDT WED SEP 18 2013


FLZ024-025-033-038-GAZ154-166-190200-
/O.NEW.KJAX.CF.Y.0002.130918T1000Z-130919T0200Z/
/O.NEW.KJAX.RP.S.0007.130918T1000Z-130919T0200Z/
NASSAU-DUVAL-ST JOHNS-FLAGLER-COASTAL GLYNN-COASTAL CAMDEN-
346 AM EDT WED SEP 18 2013

...COASTAL FLOOD ADVISORY IN EFFECT UNTIL 10 PM EDT THIS
EVENING...
...HIGH RIP CURRENT RISK IN EFFECT THROUGH THIS EVENING...

THE NATIONAL WEATHER SERVICE IN JACKSONVILLE HAS ISSUED A COASTAL
FLOOD ADVISORY...WHICH IS IN EFFECT UNTIL 10 PM EDT THIS EVENING.
A HIGH RIP CURRENT RISK HAS ALSO BEEN ISSUED. THIS HIGH RIP
CURRENT RISK IS IN EFFECT THROUGH THIS EVENING. 

* COASTAL FLOODING...MINOR COASTAL FLOODING IS EXPECTED DURING THE
  HIGH TIDE CYCLES THIS MORNING AND THIS EVENING. HIGH TIDE WILL
  BE BETWEEN 7 AND 10 AM TODAY AND 7 TO 10 PM THIS EVENING.

* IMPACTS...STRONG EASTERLY FLOW AND ELEVATED SEAS WILL PRODUCE A
  HIGH RIP CURRENT RISK. MINOR BEACH EROSION IS POSSIBLE AS WELL.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A COASTAL FLOOD ADVISORY INDICATES THAT ONSHORE WINDS AND TIDES
WILL COMBINE TO GENERATE FLOODING OF LOW AREAS ALONG THE SHORE.

THERE IS A HIGH RISK OF RIP CURRENTS. 

RIP CURRENTS ARE POWERFUL CHANNELS OF WATER FLOWING QUICKLY AWAY
FROM SHORE...WHICH OCCUR MOST OFTEN AT LOW SPOTS OR BREAKS IN THE
SANDBAR AND IN THE VICINITY OF STRUCTURES SUCH AS GROINS...
JETTIES AND PIERS. HEED THE ADVICE OF LIFEGUARDS AND THE BEACH
PATROL. PAY ATTENTION TO FLAGS AND POSTED SIGNS. 

IF YOU BECOME CAUGHT IN A RIP CURRENT...DO NOT PANIC. REMAIN CALM
AND BEGIN TO SWIM PARALLEL TO SHORE. ONCE YOU ARE AWAY FROM THE
FORCE OF THE RIP CURRENT...BEGIN TO SWIM BACK TO THE BEACH. DO
NOT ATTEMPT TO SWIM DIRECTLY AGAINST A RIP CURRENT. EVEN A STRONG
SWIMMER CAN BECOME EXHAUSTED QUICKLY.

&&

$$
3 follow-up statements
773 
WHUS42 KJAX 181649
CFWJAX

COASTAL HAZARD MESSAGE
NATIONAL WEATHER SERVICE JACKSONVILLE FL
1249 PM EDT WED SEP 18 2013

FLZ024-025-033-038-GAZ154-166-190200-
/O.CON.KJAX.CF.Y.0002.000000T0000Z-130919T0200Z/
/O.CON.KJAX.RP.S.0007.000000T0000Z-130919T0200Z/
NASSAU-DUVAL-ST JOHNS-FLAGLER-COASTAL GLYNN-COASTAL CAMDEN-
1249 PM EDT WED SEP 18 2013

...COASTAL FLOOD ADVISORY REMAINS IN EFFECT UNTIL 10 PM EDT THIS
EVENING...
...HIGH RIP CURRENT RISK REMAINS IN EFFECT UNTIL 10 PM EDT THIS
EVENING...

* COASTAL FLOODING...MINOR COASTAL FLOODING IS EXPECTED DURING THE
  HIGH TIDE CYCLES THIS MORNING AND THIS EVENING. HIGH TIDE WILL
  BE BETWEEN 7 TO 10 PM THIS EVENING.

* IMPACTS...STRONG EASTERLY FLOW AND ELEVATED SEAS WILL PRODUCE 
  A HIGH RIP CURRENT RISK. MINOR BEACH EROSION IS POSSIBLE AS 
  WELL. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A COASTAL FLOOD ADVISORY INDICATES THAT ONSHORE WINDS AND TIDES
WILL COMBINE TO GENERATE FLOODING OF LOW AREAS ALONG THE SHORE.

THERE IS A HIGH RISK OF RIP CURRENTS.

RIP CURRENTS ARE POWERFUL CHANNELS OF WATER FLOWING QUICKLY AWAY
FROM SHORE...WHICH OCCUR MOST OFTEN AT LOW SPOTS OR BREAKS IN THE
SANDBAR AND IN THE VICINITY OF STRUCTURES SUCH AS GROINS...
JETTIES AND PIERS. HEED THE ADVICE OF LIFEGUARDS AND THE BEACH
PATROL. PAY ATTENTION TO FLAGS AND POSTED SIGNS.

IF YOU BECOME CAUGHT IN A RIP CURRENT...DO NOT PANIC. REMAIN CALM
AND BEGIN TO SWIM PARALLEL TO SHORE. ONCE YOU ARE AWAY FROM THE
FORCE OF THE RIP CURRENT...BEGIN TO SWIM BACK TO THE BEACH. DO
NOT ATTEMPT TO SWIM DIRECTLY AGAINST A RIP CURRENT. EVEN A STRONG
SWIMMER CAN BECOME EXHAUSTED QUICKLY.

&&

$$
744 
WHUS42 KJAX 190114 AAA
CFWJAX

COASTAL HAZARD MESSAGE...UPDATED
NATIONAL WEATHER SERVICE JACKSONVILLE FL
914 PM EDT WED SEP 18 2013

FLZ024-025-033-038-GAZ154-166-191500-
/O.EXT.KJAX.CF.Y.0002.000000T0000Z-130919T1500Z/
/O.EXT.KJAX.RP.S.0007.000000T0000Z-130919T1500Z/
NASSAU-DUVAL-ST JOHNS-FLAGLER-COASTAL GLYNN-COASTAL CAMDEN-
914 PM EDT WED SEP 18 2013

...COASTAL FLOOD ADVISORY NOW IN EFFECT UNTIL 11 AM EDT THURSDAY...
...HIGH RIP CURRENT RISK NOW IN EFFECT THROUGH THURSDAY MORNING...

* COASTAL FLOODING...MINOR COASTAL FLOODING IS EXPECTED DURING THE
  HIGH TIDE CYCLES THIS EVENING AND AGAIN THURSDAY MORNING. THE
  NEXT HIGH TIDE WILL BE BETWEEN 8 AM AND 11 AM THURSDAY MORNING.

* IMPACTS...STRONG ONSHORE FLOW AND ELEVATED SEAS WILL PRODUCE A
  HIGH RIP CURRENT RISK. MINOR BEACH EROSION IS POSSIBLE AS WELL.
  BREAKERS IN THE SURF ZONE ARE EXPECTED TO BE IN THE 4 TO 6 FEET
  RANGE.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A COASTAL FLOOD ADVISORY INDICATES THAT ONSHORE WINDS AND TIDES
WILL COMBINE TO GENERATE MINOR FLOODING OF LOW AREAS ALONG THE
SHORE.

THERE IS A HIGH RISK OF RIP CURRENTS.

RIP CURRENTS ARE POWERFUL CHANNELS OF WATER FLOWING QUICKLY AWAY
FROM SHORE...WHICH OCCUR MOST OFTEN AT LOW SPOTS OR BREAKS IN THE
SANDBAR AND IN THE VICINITY OF STRUCTURES SUCH AS GROINS...
JETTIES AND PIERS. HEED THE ADVICE OF LIFEGUARDS AND THE BEACH
PATROL. PAY ATTENTION TO FLAGS AND POSTED SIGNS.

IF YOU BECOME CAUGHT IN A RIP CURRENT...DO NOT PANIC. REMAIN CALM
AND BEGIN TO SWIM PARALLEL TO SHORE. ONCE YOU ARE AWAY FROM THE
FORCE OF THE RIP CURRENT...BEGIN TO SWIM BACK TO THE BEACH. DO
NOT ATTEMPT TO SWIM DIRECTLY AGAINST A RIP CURRENT. EVEN A STRONG
SWIMMER CAN BECOME EXHAUSTED QUICKLY.

&&

$$
030 
WHUS42 KJAX 190737
CFWJAX

COASTAL HAZARD MESSAGE
NATIONAL WEATHER SERVICE JACKSONVILLE FL
337 AM EDT THU SEP 19 2013


FLZ024-025-033-038-GAZ154-166-190845-
/O.CAN.KJAX.CF.Y.0002.000000T0000Z-130919T1500Z/
/O.CAN.KJAX.RP.S.0007.000000T0000Z-130919T1500Z/
NASSAU-DUVAL-ST JOHNS-FLAGLER-COASTAL GLYNN-COASTAL CAMDEN-
337 AM EDT THU SEP 19 2013

...COASTAL FLOOD ADVISORY IS CANCELLED...
...HIGH RIP CURRENT RISK IS CANCELLED...

THE NATIONAL WEATHER SERVICE IN JACKSONVILLE HAS CANCELLED THE
COASTAL FLOOD ADVISORY. THE HIGH RIP CURRENT RISK HAS BEEN
CANCELLED...WITH A MODERATE RISK OF RIP CURRENTS TODAY. 


$$

The office that day

Everything else NWS Jacksonville, FL issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Sep 18, 3:46 AM EDTCoastal Flood AdvisoryJAXCamden, Glynn24 hr
Sep 17, 9:56 PM EDTSpecial Weather StatementJAXNassau34 min
Sep 18, 1:29 AM EDTAreal Flood AdvisoryJAXDuval, Saint Johns91 min
Sep 18, 8:22 AM EDTAreal Flood AdvisoryJAXDuval53 min
Sep 18, 9:25 AM EDTFlood WatchJAXNassau5 hr
Sep 18, 9:45 AM EDTAreal Flood AdvisoryJAXDuval, Nassau60 min

Nearby

Rip Current Statements in Georgia, 2013Rip Current Statements in Florida, 2013Every rip current statement 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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.