Alert archive / Florida / Rip Current Statements in 2017

Rip Current Statement 16, NWS Jacksonville, FL

September 29, 2017Duval County, Flagler County, Nassau County, Florida

NWS Jacksonville, FL issued this rip current statement at Sep 29, 2017, 3:18 AM EDT for Duval County, Flagler County, Nassau County, Florida. It took effect at Sep 29, 2017, 8:00 AM EDT. It was in force for 12 hr.

The area

The counties it named.

The facts

Issued
Sep 29, 2017, 3:18 AM EDT (07:18 UTC)
In effect from
Sep 29, 2017, 8:00 AM EDT
Expired
Sep 29, 2017, 8:00 PM EDT
In force
12 hr
Issued by
NWS Jacksonville, FL

Counties Duval County, FL, Flagler County, FL, Nassau County, FL

The radar

The Jacksonville radar (KJAX), 40 km from the middle of the area, began a volume at 07:20 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, 7.3 hours before the alert went out and 42 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 2017-09-29Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 506 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 00:00Z on 2017-09-29The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 7 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
506 J/kg
Mixed-layer CIN
-47 J/kg
Mixed-layer LCL
1376 m above ground
0-6 km bulk shear
13 kt
0-1 km storm-relative helicity
7 m²/s²
0-3 km storm-relative helicity
-3 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

832 
WHUS42 KJAX 290718
CFWJAX

COASTAL HAZARD MESSAGE
NATIONAL WEATHER SERVICE JACKSONVILLE FL
318 AM EDT FRI SEP 29 2017

...HIGH RISK OF RIP CURRENTS TODAY AT NORTHEAST FLORIDA BEACHES...

FLZ033-038-125-300000-
/O.NEW.KJAX.RP.S.0016.170929T1200Z-170930T0000Z/
/O.EXT.KJAX.CF.Y.0002.000000T0000Z-170930T0000Z/
ST. JOHNS-FLAGLER-COASTAL DUVAL-
318 AM EDT FRI SEP 29 2017

...COASTAL FLOOD ADVISORY NOW IN EFFECT UNTIL 8 PM EDT THIS
EVENING...
...HIGH RIP CURRENT RISK IN EFFECT FROM 8 AM EDT THIS MORNING
THROUGH THIS EVENING...

THE NATIONAL WEATHER SERVICE IN JACKSONVILLE HAS ISSUED A HIGH
RIP CURRENT RISK, WHICH IS IN EFFECT FROM 8 AM EDT THIS MORNING
THROUGH THIS EVENING. 

* COASTAL FLOODING...MINOR FLOODING AROUND TIMES OF HIGH TIDE 
  WILL CONTINUE ALONG PORTIONS OF THE ST JOHNS RIVER AND ITS 
  TRIBUTARIES FROM JACKSONVILLE SOUTHWARD. DUE TO INCREASING 
  EAST TO NORTHEAST WINDS SATURDAY AND SUNDAY...THIS COASTAL 
  FLOOD ADVISORY MAY NEED TO BE EXTENDED OR UPGRADED DUE TO 
  HIGHER COASTAL FLOODING LEVELS. 

* TIMING...MINOR FLOODING WILL CONTINUE TODAY... PEAKING AROUND 
  THE TIMES OF HIGH TIDE. 

* IMPACTS...ELEVATED TIDE LEVELS WILL CAUSE MINOR FLOODING OF LOW
  AREAS ALONG THE ST JOHNS RIVER AND ITS TRIBUTARIES. THIS WILL
  FLOOD MAINLY PARKS...CAMPGROUNDS....NORMALLY FLOOD PRONE
  ROADWAYS AND SOME DOCKS AND BOAT RAMPS. NUMEROUS RIP CURRENTS
  WILL FORM ALONG AREA BEACHES, ESPECIALLY DURING THE OUTGOING
  TIDES

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A COASTAL FLOOD ADVISORY INDICATES THAT ONSHORE WINDS AND/OR
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.

SWIM NEAR A LIFEGUARD. IF CAUGHT IN A RIP CURRENT REMAIN CALM.
DON'T FIGHT THE CURRENT. SWIM IN A DIRECTION FOLLOWING THE
SHORELINE. IF UNABLE TO ESCAPE, FACE THE SHORE AND CALL OR WAVE
FOR HELP. IF TIRED, FLOAT OR TREAD WATER UNTIL OUT OF THE RIP
CURRENT.

&&

$$

FLZ025-032-037-300000-
/O.EXT.KJAX.CF.Y.0002.000000T0000Z-170930T0000Z/
INLAND DUVAL-CLAY-PUTNAM-
318 AM EDT FRI SEP 29 2017

...COASTAL FLOOD ADVISORY NOW IN EFFECT UNTIL 8 PM EDT THIS
EVENING...

* COASTAL FLOODING...MINOR FLOODING AROUND TIMES OF HIGH TIDE 
  WILL CONTINUE ALONG PORTIONS OF THE ST JOHNS RIVER AND ITS 
  TRIBUTARIES FROM JACKSONVILLE SOUTHWARD. DUE TO INCREASING 
  EAST TO NORTHEAST WINDS SATURDAY AND SUNDAY...THIS COASTAL 
  FLOOD ADVISORY MAY NEED TO BE EXTENDED OR UPGRADED DUE TO 
  HIGHER COASTAL FLOODING LEVELS. 

* TIMING...MINOR FLOODING WILL CONTINUE TODAY... PEAKING AROUND 
  THE TIMES OF HIGH TIDE. 

* IMPACTS...ELEVATED TIDE LEVELS WILL CAUSE MINOR FLOODING OF LOW
  AREAS ALONG THE ST JOHNS RIVER AND ITS TRIBUTARIES. THIS WILL
  FLOOD MAINLY PARKS...CAMPGROUNDS....NORMALLY FLOOD PRONE
  ROADWAYS AND SOME DOCKS AND BOAT RAMPS. NUMEROUS RIP CURRENTS
  WILL FORM ALONG AREA BEACHES, ESPECIALLY DURING THE OUTGOING
  TIDES

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

$$

FLZ124-300000-
/O.NEW.KJAX.RP.S.0016.170929T1200Z-170930T0000Z/
COASTAL NASSAU-
318 AM EDT FRI SEP 29 2017

...HIGH RIP CURRENT RISK IN EFFECT FROM 8 AM EDT THIS MORNING
THROUGH THIS EVENING...

THE NATIONAL WEATHER SERVICE IN JACKSONVILLE HAS ISSUED A HIGH
RIP CURRENT RISK, WHICH IS IN EFFECT FROM 8 AM EDT THIS MORNING
THROUGH THIS EVENING. 

* TIMING...THROUGH TONIGHT.

* IMPACTS...NUMEROUS RIP CURRENTS WILL FORM ALONG AREA BEACHES, 
  ESPECIALLY DURING THE OUTGOING TIDES

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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.

SWIM NEAR A LIFEGUARD. IF CAUGHT IN A RIP CURRENT REMAIN CALM.
DON'T FIGHT THE CURRENT. SWIM IN A DIRECTION FOLLOWING THE
SHORELINE. IF UNABLE TO ESCAPE, FACE THE SHORE AND CALL OR WAVE
FOR HELP. IF TIRED, FLOAT OR TREAD WATER UNTIL OUT OF THE RIP
CURRENT.

&&

$$
1 follow-up statement
893 
WHUS42 KJAX 291402
CFWJAX

COASTAL HAZARD MESSAGE
NATIONAL WEATHER SERVICE JACKSONVILLE FL
1002 AM EDT FRI SEP 29 2017

...HIGH RISK OF RIP CURRENTS TODAY AT NORTHEAST FLORIDA BEACHES...

FLZ033-038-125-300000-
/O.CAN.KJAX.CF.Y.0002.000000T0000Z-170930T0000Z/
/O.CON.KJAX.RP.S.0016.000000T0000Z-170930T0000Z/
ST. JOHNS-FLAGLER-COASTAL DUVAL-
1002 AM EDT FRI SEP 29 2017

...HIGH RIP CURRENT RISK REMAINS IN EFFECT UNTIL 8 PM EDT THIS
EVENING...
...COASTAL FLOOD ADVISORY IS CANCELLED...

THE NATIONAL WEATHER SERVICE IN JACKSONVILLE HAS CANCELLED THE
COASTAL FLOOD ADVISORY. WATER LEVELS ON THE ST JOHNS RIVER HAVE 
SUBSIDED ENOUGH FOR THE COASTAL FLOOD ADVISORY TO BE CANCELLED. 
HOWEVER, STRONG ONSHORE WINDS OVER THE WEEKEND AND THE POSSIBILITY
OF SOME HEAVY RAINFALL COULD RESULT IN RISING WATER LEVELS ALONG 
THE ST JOHNS RIVER AND ITS TRIBUTARIES LATE THIS WEEKEND INTO 
EARLY NEXT WEEK. ASTRONOMICAL HIGH TIDES NEXT WEEK WILL ALSO BRING
HIGHER THAN NORMAL WATER LEVELS AND ADDITIONAL COASTAL FLOOD 
ADVISORIES ARE LIKELY.

* TIMING...STRONG RIP CURRENTS THROUGH THIS EVENING, ESPECIALLY 
  DURING THE OUTGOING TIDES.

* IMPACTS...STRONG RIP CURRENTS WILL BE PRESENT AT AREA BEACHES,
  WHICH WILL BE HAZARDOUS FOR THOSE IN THE SURF ZONE.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

THERE IS A HIGH RISK OF RIP CURRENTS.

RIP CURRENTS WILL BE LIFE THREATENING.

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.

SWIM NEAR A LIFEGUARD. IF CAUGHT IN A RIP CURRENT REMAIN CALM.
DON'T FIGHT THE CURRENT. SWIM IN A DIRECTION FOLLOWING THE
SHORELINE. IF UNABLE TO ESCAPE, FACE THE SHORE AND CALL OR WAVE
FOR HELP. IF TIRED, FLOAT OR TREAD WATER UNTIL OUT OF THE RIP
CURRENT.

&&

$$

FLZ025-032-037-291515-
/O.CAN.KJAX.CF.Y.0002.000000T0000Z-170930T0000Z/
INLAND DUVAL-CLAY-PUTNAM-
1002 AM EDT FRI SEP 29 2017

...COASTAL FLOOD ADVISORY IS CANCELLED...

THE NATIONAL WEATHER SERVICE IN JACKSONVILLE HAS CANCELLED THE
COASTAL FLOOD ADVISORY. 

WATER LEVELS ON THE ST JOHNS RIVER HAVE SUBSIDED ENOUGH FOR THE
COASTAL FLOOD ADVISORY TO BE CANCELLED. HOWEVER, STRONG ONSHORE
WINDS OVER THE WEEKEND AND THE POSSIBILITY OF SOME HEAVY RAINFALL
COULD RESULT IN RISING WATER LEVELS ALONG THE ST JOHNS RIVER AND
ITS TRIBUTARIES LATE THIS WEEKEND INTO EARLY NEXT WEEK.
ASTRONOMICAL HIGH TIDES NEXT WEEK WILL ALSO BRING HIGHER THAN
NORMAL WATER LEVELS AND ADDITIONAL COASTAL FLOOD ADVISORIES ARE
LIKELY.

$$

FLZ124-300000-
/O.CON.KJAX.RP.S.0016.000000T0000Z-170930T0000Z/
COASTAL NASSAU-
1002 AM EDT FRI SEP 29 2017

...HIGH RIP CURRENT RISK REMAINS IN EFFECT UNTIL 8 PM EDT THIS
EVENING...

* TIMING...STRONG RIP CURRENTS THROUGH THIS EVENING, ESPECIALLY 
  DURING THE OUTGOING TIDES.

* IMPACTS...STRONG RIP CURRENTS WILL BE PRESENT AT AREA BEACHES,
  WHICH WILL BE HAZARDOUS FOR THOSE IN THE SURF ZONE.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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.

SWIM NEAR A LIFEGUARD. IF CAUGHT IN A RIP CURRENT REMAIN CALM.
DON'T FIGHT THE CURRENT. SWIM IN A DIRECTION FOLLOWING THE
SHORELINE. IF UNABLE TO ESCAPE, FACE THE SHORE AND CALL OR WAVE
FOR HELP. IF TIRED, FLOAT OR TREAD WATER UNTIL OUT OF THE RIP
CURRENT.

&&

$$

JDS

The office that day

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

IssuedProductOfficeCountiesLasted
Sep 29, 3:37 PM EDTGale WatchJAX21 hr
Sep 29, 3:37 PM EDTSmall Craft AdvisoryJAX28 hr
Sep 29, 6:10 PM EDTFlood WatchJAXDuval, Flagler53 hr

Nearby

Rip Current Statements in Florida, 2017Every rip current statement in 2017

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.