Alert archive / Florida / Rip Current Statements in 2015

Rip Current Statement 31, NWS Miami, FL

September 29, 2015Palm Beach County, Florida

NWS Miami, FL issued this rip current statement at Sep 29, 2015, 4:19 AM EDT for Palm Beach County, Florida. It was in force for 20 hr.

The area

The counties it named.

The facts

Issued
Sep 29, 2015, 4:19 AM EDT (08:19 UTC)
Expired
Sep 30, 2015, 12:00 AM EDT
In force
20 hr
Issued by
NWS Miami, FL

County Palm Beach County, FL

The radar

The Miami radar (KAMX), 115 km from the middle of the area, began a volume at 08:21 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

Miami, FL (KMFL), launched 00:00Z, 8.3 hours before the alert went out and 93 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, Miami, FL at 00:00Z on 2015-09-29Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1847 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, Miami, FL at 00:00Z on 2015-09-29The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 42 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
1847 J/kg
Mixed-layer CIN
-10 J/kg
Mixed-layer LCL
875 m above ground
0-6 km bulk shear
11 kt
0-1 km storm-relative helicity
42 m²/s²
0-3 km storm-relative helicity
61 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.

005 
WHUS42 KMFL 290819
CFWMFL

URGENT - IMMEDIATE BROADCAST REQUESTED
COASTAL HAZARD MESSAGE
NATIONAL WEATHER SERVICE MIAMI FL
419 AM EDT TUE SEP 29 2015

FLZ168-300400-
/O.NEW.KMFL.RP.S.0031.150929T0819Z-150930T0400Z/
/O.CON.KMFL.CF.Y.0001.000000T0000Z-150930T0400Z/
COASTAL PALM BEACH-
419 AM EDT TUE SEP 29 2015

...HIGH RIP CURRENT RISK IN EFFECT THROUGH THIS EVENING NORTHERN
HALF OF PALM BEACH COAST... 
...COASTAL FLOOD ADVISORY REMAINS IN EFFECT UNTIL MIDNIGHT EDT
TONIGHT...

THE NATIONAL WEATHER SERVICE IN MIAMI HAS ISSUED A HIGH RIP
CURRENT RISK...WHICH IS IN EFFECT THROUGH THIS EVENING. 

* COASTAL FLOODING...HIGH ASTRONOMICAL TIDES DUE TO THE LUNAR
  CYCLE...ALONG WITH TIDAL LEVELS RUNNING ABOVE PREDICTED...WILL
  CAUSE COASTAL FLOODING IN AREAS PRONE TO TIDAL FLOODING. ANY
  HEAVY RAINFALL FROM SHOWERS OR THUNDERSTORMS WOULD ALSO
  CONTRIBUTE TO ADDITIONAL FLOODING. A SMALL NORTHEAST SWELL
  ACROSS THE ATLANTIC COULD ALSO CONTRIBUTE TO ABOVE NORMAL WATER
  LEVELS.

* TIMING...PARTICULARLY AROUND HIGH TIDES. THE NEXT TWO HIGH TIDES
  ARE AT AROUND 9:30 AM THIS MORNING AND AT NEAR 10 PM THIS
  EVENING.

* IMPACTS...TIDAL FLOODING IS EXPECTED...RESULTING IN FLOODING OF
  LOCALIZED ROADS AND POORLY DRAINED LOCALES. FLOODING IS FORECAST
  TO BE SIMILAR TO WHAT OCCURRED ON MONDAY. A FEW ROAD CLOSURES
  ARE POSSIBLE. THERE IS ALSO A HIGH RISK OF RIP CURRENTS ALONG
  THE ATLANTIC BEACHES ALONG THE NORTHERN HALF OF THE PALM BEACH
  COAST DUE TO A 2 TO 3 FOOT NORTHEAST SWELL. A MODERATE RISK OF
  RIP CURRENTS EXISTS POINTS TO THE SOUTH.

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...BEACH PATROL
FLAGS AND SIGNS.

IF YOU BECOME CAUGHT IN A RIP CURRENT...YELL FOR HELP. REMAIN
CALM...DO NOT EXHAUST YOURSELF AND STAY AFLOAT WHILE WAITING FOR
HELP. IF YOU HAVE TO SWIM OUT OF A RIP CURRENT...SWIM PARALLEL TO
SHORE AND BACK TOWARD THE BEACH WHEN POSSIBLE. DO NOT ATTEMPT TO
SWIM DIRECTLY AGAINST A RIP CURRENT AS YOU WILL TIRE QUICKLY.

&&

$$

FLZ172-173-300400-
/O.CON.KMFL.CF.Y.0001.000000T0000Z-150930T0400Z/
COASTAL BROWARD-COASTAL MIAMI DADE-
419 AM EDT TUE SEP 29 2015

...COASTAL FLOOD ADVISORY REMAINS IN EFFECT UNTIL MIDNIGHT EDT
TONIGHT...

* COASTAL FLOODING...HIGH ASTRONOMICAL TIDES DUE TO THE LUNAR
  CYCLE...ALONG WITH TIDAL LEVELS RUNNING ABOVE PREDICTED...WILL
  CAUSE COASTAL FLOODING IN AREAS PRONE TO TIDAL FLOODING. ANY
  HEAVY RAINFALL FROM SHOWERS OR THUNDERSTORMS WOULD ALSO
  CONTRIBUTE TO ADDITIONAL FLOODING.  

* TIMING...PARTICULARLY AROUND HIGH TIDES. THE NEXT TWO HIGH TIDES
  ALONG THE ATLANTIC COAST ARE AT AROUND 10 AM THIS MORNING AND AT
  AROUND 10:30 PM THIS EVENING.

* IMPACTS...TIDAL FLOODING IS EXPECTED...RESULTING IN FLOODING OF
  LOCALIZED ROADS AND POORLY DRAINED LOCALES. FLOODING IS FORECAST
  TO BE SIMILAR TO WHAT OCCURRED ON MONDAY. A FEW ROAD CLOSURES
  ARE POSSIBLE.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

$$

FLZ069-075-174-300400-
/O.CON.KMFL.CF.S.0001.000000T0000Z-150930T0400Z/
COASTAL COLLIER-MAINLAND MONROE-FAR SOUTH MIAMI DADE-
419 AM EDT TUE SEP 29 2015

...MINOR TIDAL FLOODING POSSIBLE...

* COASTAL FLOODING...HIGH ASTRONOMICAL TIDES DUE TO THE LUNAR 
  CYCLE...ALONG WITH TIDAL LEVELS RUNNING ABOVE PREDICTED...WILL 
  CAUSE MINOR COASTAL FLOODING IN AREAS PRONE TO TIDAL FLOODING. 
  ANY HEAVY RAINFALL FROM SHOWERS OR THUNDERSTORMS WOULD ALSO 
  CONTRIBUTE TO ADDITIONAL FLOODING. 

* TIMING...PARTICULARLY AROUND HIGH TIDE. THE NEXT HIGH TIDE AT
  NAPLES IS AT 2:42 PM.

* IMPACTS...MINOR TIDAL INUNDATION IS POSSIBLE...RESULTING IN 
  LOCALIZED MINOR STREET FLOODING AND FLOODING OF POORLY DRAINED 
  LOCALES. 

$$


HTTP://WWW.WEATHER.GOV/MIAMI
1 follow-up statement
413 
WHUS42 KMFL 292009
CFWMFL

URGENT - IMMEDIATE BROADCAST REQUESTED
COASTAL HAZARD MESSAGE
NATIONAL WEATHER SERVICE MIAMI FL
409 PM EDT TUE SEP 29 2015

FLZ168-300415-
/O.EXT.KMFL.CF.Y.0001.000000T0000Z-151001T0400Z/
/O.CON.KMFL.RP.S.0031.000000T0000Z-150930T0400Z/
COASTAL PALM BEACH-
409 PM EDT TUE SEP 29 2015

...COASTAL FLOOD ADVISORY NOW IN EFFECT UNTIL MIDNIGHT EDT
WEDNESDAY NIGHT...
...HIGH RIP CURRENT RISK REMAINS IN EFFECT UNTIL MIDNIGHT EDT
TONIGHT...

* COASTAL FLOODING...HIGH ASTRONOMICAL TIDES DUE TO THE LUNAR 
  CYCLE...ALONG WITH TIDAL LEVELS RUNNING ABOVE PREDICTED...WILL 
  CAUSE COASTAL FLOODING IN AREAS PRONE TO TIDAL FLOODING. ANY 
  HEAVY RAINFALL FROM SHOWERS OR THUNDERSTORMS WOULD ALSO 
  CONTRIBUTE TO ADDITIONAL FLOODING. A SMALL NORTHEAST SWELL 
  ACROSS THE ATLANTIC COULD ALSO CONTRIBUTE TO ABOVE NORMAL 
  WATER LEVELS. 

* TIMING...PARTICULARLY AROUND HIGH TIDES. THE NEXT TWO HIGH TIDES
  ARE AT AROUND 10 PM THIS EVENING AND AT NEAR 10:30 AM WEDNESDAY.

* IMPACTS...TIDAL FLOODING IS EXPECTED...RESULTING IN FLOODING OF
  LOCALIZED ROADS AND POORLY DRAINED LOCALES. FLOODING IS FORECAST
  TO BE SIMILAR TO WHAT OCCURRED MONDAY AND TUESDAY MORNING. A FEW
  ROAD CLOSURES ARE POSSIBLE. THERE IS ALSO A HIGH RISK OF RIP
  CURRENTS ALONG THE ATLANTIC BEACHES ALONG THE NORTHERN HALF OF
  THE PALM BEACH COAST DUE TO A 3 TO 4 FOOT NORTHEAST SWELL.

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...BEACH PATROL
FLAGS AND SIGNS.

IF YOU BECOME CAUGHT IN A RIP CURRENT...YELL FOR HELP. REMAIN
CALM...DO NOT EXHAUST YOURSELF AND STAY AFLOAT WHILE WAITING FOR
HELP. IF YOU HAVE TO SWIM OUT OF A RIP CURRENT...SWIM PARALLEL TO
SHORE AND BACK TOWARD THE BEACH WHEN POSSIBLE. DO NOT ATTEMPT TO
SWIM DIRECTLY AGAINST A RIP CURRENT AS YOU WILL TIRE QUICKLY.

&&

$$

FLZ172-173-300415-
/O.EXT.KMFL.CF.Y.0001.000000T0000Z-151001T0400Z/
COASTAL BROWARD-COASTAL MIAMI DADE-
409 PM EDT TUE SEP 29 2015

...COASTAL FLOOD ADVISORY NOW IN EFFECT UNTIL MIDNIGHT EDT
WEDNESDAY NIGHT...

* COASTAL FLOODING...HIGH ASTRONOMICAL TIDES DUE TO THE LUNAR 
  CYCLE...ALONG WITH TIDAL LEVELS RUNNING ABOVE PREDICTED...WILL 
  CAUSE COASTAL FLOODING IN AREAS PRONE TO TIDAL FLOODING. ANY 
  HEAVY RAINFALL FROM SHOWERS OR THUNDERSTORMS WOULD ALSO 
  CONTRIBUTE TO ADDITIONAL FLOODING. 

* TIMING...PARTICULARLY AROUND HIGH TIDES. THE NEXT TWO HIGH TIDES
  ALONG THE ATLANTIC COAST ARE AT AROUND 10:30 PM THIS EVENING AND
  AT AROUND 11 AM WEDNESDAY.

* IMPACTS...TIDAL FLOODING IS EXPECTED...RESULTING IN FLOODING OF
  LOCALIZED ROADS AND POORLY DRAINED LOCALES. FLOODING IS FORECAST
  TO BE SIMILAR TO WHAT OCCURRED ON MONDAY AND TUESDAY MORNING. A
  FEW ROAD CLOSURES ARE POSSIBLE.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

$$

FLZ069-075-174-300415-
/O.EXT.KMFL.CF.S.0001.000000T0000Z-151001T0400Z/
COASTAL COLLIER-MAINLAND MONROE-FAR SOUTH MIAMI DADE-
409 PM EDT TUE SEP 29 2015

...MINOR TIDAL FLOODING POSSIBLE...

* COASTAL FLOODING...HIGH ASTRONOMICAL TIDES DUE TO THE LUNAR 
  CYCLE...ALONG WITH TIDAL LEVELS RUNNING ABOVE PREDICTED...WILL 
  CAUSE MINOR COASTAL FLOODING IN AREAS PRONE TO TIDAL FLOODING. 
  ANY HEAVY RAINFALL FROM SHOWERS OR THUNDERSTORMS WOULD ALSO 
  CONTRIBUTE TO ADDITIONAL FLOODING. 

* TIMING...PARTICULARLY AROUND HIGH TIDE. THE NEXT HIGH TIDE AT
  NAPLES IS AT 2:24 AM.

* IMPACTS...MINOR TIDAL INUNDATION IS POSSIBLE...RESULTING IN 
  LOCALIZED MINOR STREET FLOODING AND FLOODING OF POORLY DRAINED 
  LOCALES. 

$$


HTTP://WWW.WEATHER.GOV/MIAMI

The office that day

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

IssuedProductOfficeCountiesLasted
Sep 28, 8:00 PM EDTSpecial Marine WarningMFL90 min
Sep 29, 9:06 AM EDTSpecial Marine WarningMFL24 min
Sep 29, 9:31 AM EDTSpecial Marine WarningMFL29 min
Sep 29, 11:55 AM EDTAreal Flood AdvisoryMFLCollier3 hr
Sep 29, 12:19 PM EDTSpecial Weather StatementMFLCollier41 min
Sep 29, 1:13 PM EDTSpecial Weather StatementMFLCollier47 min

Nearby

Rip Current Statements in Florida, 2015Every rip current statement 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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.