Alert archive / Florida / Rip Current Statements in 2015

Rip Current Statement 30, NWS Miami, FL

September 28, 2015Palm Beach County, Florida

NWS Miami, FL issued this rip current statement at Sep 28, 2015, 4:30 AM EDT for Palm Beach County, Florida. It was in force for 20 hr.

The area

The counties it named.

The facts

Issued
Sep 28, 2015, 4:30 AM EDT (08:30 UTC)
Expired
Sep 29, 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 08:34 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, 8.5 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 2015-09-28Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 524 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 2015-09-28The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 16 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
524 J/kg
Mixed-layer CIN
-39 J/kg
Mixed-layer LCL
1013 m above ground
0-6 km bulk shear
12 kt
0-1 km storm-relative helicity
16 m²/s²
0-3 km storm-relative helicity
46 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.

912 
WHUS42 KMFL 280830
CFWMFL

URGENT - IMMEDIATE BROADCAST REQUESTED
COASTAL HAZARD MESSAGE
NATIONAL WEATHER SERVICE MIAMI FL
430 AM EDT MON SEP 28 2015

FLZ168-290400-
/O.NEW.KMFL.RP.S.0030.150928T0830Z-150929T0400Z/
/O.CON.KMFL.CF.Y.0001.000000T0000Z-150929T0400Z/
COASTAL PALM BEACH-
430 AM EDT MON SEP 28 2015

...COASTAL FLOOD ADVISORY REMAINS IN EFFECT UNTIL MIDNIGHT EDT
TONIGHT...
...HIGH RIP CURRENT RISK IN EFFECT THROUGH THIS EVENING...

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... HIGHEST OFF PALM BEACH COUNTY... COULD 
  ALSO CONTRIBUTE TO ABOVE NORMAL WATER LEVELS. 

* TIMING...PARTICULARLY AROUND HIGH TIDES. THE NEXT TWO HIGH 
  TIDES ALONG THE ATLANTIC COAST ARE AT AROUND 9 AM THIS MORNING 
  AND AT AROUND 9 PM THIS EVENING. 

* IMPACTS...TIDAL FLOODING IS EXPECTED...RESULTING IN FLOODING OF
  LOCALIZED ROADS AND POORLY DRAINED LOCALES. FLOODING IS FORECAST
  TO BE SLIGHTLY WORSE COMPARED TO WHAT OCCURRED THIS PAST
  WEEKEND. A FEW ROAD CLOSURES ARE POSSIBLE. THERE IS ALSO A HIGH
  RISK OF RIP CURRENTS ALONG THE ATLANTIC BEACHES DUE TO A 2 TO 3
  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. 

&&

$$

FLZ172-173-290400-
/O.CON.KMFL.CF.Y.0001.000000T0000Z-150929T0400Z/
COASTAL BROWARD-COASTAL MIAMI DADE-
430 AM EDT MON SEP 28 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. A SMALL NORTHEAST SWELL 
  ACROSS THE ATLANTIC... HIGHEST OFF PALM BEACH COUNTY... COULD 
  ALSO CONTRIBUTE TO ABOVE NORMAL WATER LEVELS. 

* TIMING...PARTICULARLY AROUND HIGH TIDES. THE NEXT TWO HIGH 
  TIDES ALONG THE ATLANTIC COAST ARE AT AROUND 9 AM THIS MORNING 
  AND AT AROUND 9 PM THIS EVENING. 

* IMPACTS...TIDAL FLOODING IS EXPECTED...RESULTING IN FLOODING 
  OF LOCALIZED ROADS AND POORLY DRAINED LOCALES. FLOODING IS 
  FORECAST TO BE SLIGHTLY WORSE COMPARED TO WHAT OCCURRED THIS 
  PAST WEEKEND. 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.

&&

$$

FLZ069-075-174-290400-
/O.CON.KMFL.CF.S.0001.000000T0000Z-150929T0400Z/
COASTAL COLLIER-MAINLAND MONROE-FAR SOUTH MIAMI DADE-
430 AM EDT MON SEP 28 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 1:51 PM EDT. 

* 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
783 
WHUS42 KMFL 282043
CFWMFL

URGENT - IMMEDIATE BROADCAST REQUESTED
COASTAL HAZARD MESSAGE
NATIONAL WEATHER SERVICE MIAMI FL
443 PM EDT MON SEP 28 2015
 

FLZ168-300000-
/O.EXT.KMFL.CF.Y.0001.000000T0000Z-150930T0400Z/
/O.CON.KMFL.RP.S.0030.000000T0000Z-150929T0400Z/
COASTAL PALM BEACH-
443 PM EDT MON SEP 28 2015

...COASTAL FLOOD ADVISORY NOW IN EFFECT UNTIL MIDNIGHT EDT
TUESDAY 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... HIGHEST OFF PALM BEACH COUNTY... COULD 
  ALSO CONTRIBUTE TO ABOVE NORMAL WATER LEVELS. 

* TIMING...PARTICULARLY AROUND HIGH TIDES. THE NEXT TWO HIGH TIDES
  ALONG THE ATLANTIC COAST ARE AT AROUND 9 PM THIS EVENING AND AT
  AROUND 10 AM TUESDAY MORNING.

* IMPACTS...TIDAL FLOODING IS EXPECTED...RESULTING IN FLOODING 
  OF LOCALIZED ROADS AND POORLY DRAINED LOCALES. FLOODING IS 
  FORECAST TO BE SLIGHTLY WORSE COMPARED TO WHAT OCCURRED THIS 
  PAST WEEKEND. A FEW ROAD CLOSURES ARE POSSIBLE. THERE IS ALSO 
  A HIGH RISK OF RIP CURRENTS ALONG THE ATLANTIC BEACHES DUE TO 
  A 2 TO 3 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.

&&

$$

FLZ172-173-300000-
/O.EXT.KMFL.CF.Y.0001.000000T0000Z-150930T0400Z/
COASTAL BROWARD-COASTAL MIAMI DADE-
443 PM EDT MON SEP 28 2015

...COASTAL FLOOD ADVISORY NOW IN EFFECT UNTIL MIDNIGHT EDT
TUESDAY 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. A SMALL NORTHEAST SWELL 
  ACROSS THE ATLANTIC... HIGHEST OFF PALM BEACH COUNTY... COULD 
  ALSO CONTRIBUTE TO ABOVE NORMAL WATER LEVELS. 

* TIMING...PARTICULARLY AROUND HIGH TIDES. THE NEXT TWO HIGH TIDES
  ALONG THE ATLANTIC COAST ARE AT AROUND 9 PM THIS EVENING AND AT
  AROUND 10 AM TUESDAY MORNING.

* IMPACTS...TIDAL FLOODING IS EXPECTED...RESULTING IN FLOODING 
  OF LOCALIZED ROADS AND POORLY DRAINED LOCALES. FLOODING IS 
  FORECAST TO BE SLIGHTLY WORSE COMPARED TO WHAT OCCURRED THIS 
  PAST WEEKEND. 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.

&&

$$

FLZ069-075-174-300000-
/O.EXT.KMFL.CF.S.0001.000000T0000Z-150930T0400Z/
COASTAL COLLIER-MAINLAND MONROE-FAR SOUTH MIAMI DADE-
443 PM EDT MON SEP 28 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 TWO HIGH TIDES
  AT NAPLES ARE AT 1:49 AM TONIGHT AND 2:42 PM TUESDAY AFTERNOON.

* 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 27, 8:26 PM EDTSpecial Marine WarningMFL64 min
Sep 28, 3:28 AM EDTCoastal Flood AdvisoryMFLBroward, Miami-Dade, Palm Beach4 days
Sep 28, 6:53 PM EDTSpecial Marine WarningMFL67 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.