Alert archive / Florida / Rip Current Statements in 2017

Rip Current Statement 26, NWS Melbourne, FL

September 16, 2017Volusia County, Florida

NWS Melbourne, FL issued this rip current statement at Sep 16, 2017, 4:13 AM EDT for Volusia County, Florida. It took effect at Sep 16, 2017, 7:00 AM EDT. It was in force for 13 hr.

The area

The counties it named.

The facts

Issued
Sep 16, 2017, 4:13 AM EDT (08:13 UTC)
In effect from
Sep 16, 2017, 7:00 AM EDT
Expired
Sep 16, 2017, 8:00 PM EDT
In force
13 hr
Issued by
NWS Melbourne, FL

County Volusia County, FL

The radar

The Melbourne radar (KMLB), 116 km from the middle of the area, began a volume at 08:18 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

Cape Canaveral, FL (KXMR), launched 00:00Z, 8.2 hours before the alert went out and 91 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, Cape Canaveral, FL at 00:00Z on 2017-09-16Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 117 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, Cape Canaveral, FL at 00:00Z on 2017-09-16The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -26 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
117 J/kg
Mixed-layer CIN
-86 J/kg
Mixed-layer LCL
1117 m above ground
0-6 km bulk shear
13 kt
0-1 km storm-relative helicity
-26 m²/s²
0-3 km storm-relative helicity
4 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

855 
WHUS42 KMLB 160813
CFWMLB

COASTAL HAZARD MESSAGE
NATIONAL WEATHER SERVICE MELBOURNE FL
413 AM EDT SAT SEP 16 2017

...BUILDING SWELLS FROM TROPICAL CYCLONE JOSE WILL PRODUCE ROUGH
SURF AND DANGEROUS RIP CURRENTS THIS WEEKEND...

FLZ047-054-059-064-141-147-170000-
/O.NEW.KMLB.RP.S.0026.170916T1100Z-170917T0000Z/
/O.CON.KMLB.SU.Y.0003.170916T1800Z-170918T0200Z/
SOUTHERN BREVARD COUNTY-INDIAN RIVER-ST. LUCIE-MARTIN-
COASTAL VOLUSIA COUNTY-NORTHERN BREVARD COUNTY-
413 AM EDT SAT SEP 16 2017

...HIGH SURF ADVISORY REMAINS IN EFFECT FROM 2 PM THIS AFTERNOON 
TO 10 PM EDT SUNDAY...
...HIGH RIP CURRENT RISK IN EFFECT THROUGH THIS EVENING...

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

* WAVES AND SURF...LARGE BREAKING WAVES BUILDING TO 6 TO 7 FEET IN
  THE SURF ZONE LATE THIS AFTERNOON THROUGH SUNDAY AFTERNOON.

* TIMING...FROM EARLY SATURDAY AFTERNOON THROUGH EARLY SUNDAY
  EVENING. SURF AND WATER RUNUP WILL POSE AN ESPECIALLY GREAT 
  DANGER TO SWIMMERS AROUND THE TIMES OF THE NEXT SEVERAL HIGH 
  TIDE CYCLES. THESE HIGH TIDES WILL OCCUR SATURDAY AFTERNOON 
  BETWEEN 530 AND 600 PM, SUNDAY MORNING AROUND 600 AM, AND A 
  LITTLE BEFORE SUNSET ON SUNDAY BETWEEN 630 AND 700 PM. 

* IMPACTS...LARGE BREAKING WAVES WILL MAKE SWIMMING INCREASINGLY
  DIFFICULT AND DANGEROUS. NUMEROUS RIP CURRENTS WILL LIKELY FORM
  ALL WEEKEND, AND ESPECIALLY DURING THE OUTGOING TIDES. ROUGH
  POUNDING SURF COULD EASILY KNOCK YOU OFF YOUR FEET AND MAKE YOU
  EVEN MORE SUSCEPTIBLE TO THE SEAWARD PULL OF A RIP CURRENT. 
  THE HIGH SURF WILL ALSO LIKELY CAUSE ADDITIONAL EROSION AND 
  POSSIBLE BREACHES OF BEACHES AND THE DUNES THAT HAVE ALREADY 
  BEEN WEAKENED BY HURRICANE IRMA, DURING THOSE TIMES OF HIGH 
  TIDES.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A HIGH SURF ADVISORY MEANS THAT HIGH SURF WILL AFFECT BEACHES IN
THE ADVISORY AREA...PRODUCING LOCALIZED BEACH EROSION AND
DANGEROUS SWIMMING CONDITIONS. HEED THE ADVICE OF THE BEACH
PATROL. BEACHGOERS MAY NOT WANT TO ENTER THE WATER ABOVE THEIR
KNEES, OR STAY OUT OF THE WATER ALTOGETHER.

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 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.

&&

$$

15
1 follow-up statement
468 
WHUS42 KMLB 162357
CFWMLB

COASTAL HAZARD MESSAGE
NATIONAL WEATHER SERVICE MELBOURNE FL
757 PM EDT SAT SEP 16 2017

...BUILDING SWELLS FROM HURRICANE JOSE WILL CONTINUE TO PRODUCE 
ROUGH SURF AND DANGEROUS RIP CURRENTS THIS WEEKEND...

FLZ047-054-059-064-141-147-180200-
/O.EXP.KMLB.RP.S.0026.000000T0000Z-170917T0000Z/
/O.CON.KMLB.SU.Y.0003.000000T0000Z-170918T0200Z/
SOUTHERN BREVARD COUNTY-INDIAN RIVER-ST. LUCIE-MARTIN-
COASTAL VOLUSIA COUNTY-NORTHERN BREVARD COUNTY-
757 PM EDT SAT SEP 16 2017

...HIGH SURF ADVISORY REMAINS IN EFFECT UNTIL 10 PM EDT SUNDAY...
...HIGH RIP CURRENT RISK WILL EXPIRE AT 8 PM EDT THIS EVENING...

* WAVES AND SURF...LARGE BREAKING WAVES BUILDING TO 6 TO 7 FEET IN
  THE SURF ZONE LATE THROUGH SUNDAY AFTERNOON. 

* TIMING...TONIGHT THROUGH EARLY SUNDAY EVENING. SURF AND WATER
  RUNUP WILL POSE AN ESPECIALLY GREAT DANGER TO SWIMMERS AROUND
  THE TIMES OF THE NEXT SEVERAL HIGH TIDE CYCLES. THESE HIGH TIDES
  WILL OCCUR SUNDAY MORNING AROUND 600 AM, AND A LITTLE BEFORE 
  SUNSET ON SUNDAY BETWEEN 630 AND 700 PM.
  

* IMPACTS...LARGE BREAKING WAVES WILL MAKE SWIMMING INCREASINGLY 
  DIFFICULT AND DANGEROUS. NUMEROUS RIP CURRENTS WILL LIKELY 
  FORM ALL WEEKEND, AND ESPECIALLY DURING THE OUTGOING TIDES. 
  ROUGH POUNDING SURF COULD EASILY KNOCK YOU OFF YOUR FEET AND 
  MAKE YOU EVEN MORE SUSCEPTIBLE TO THE SEAWARD PULL OF A RIP 
  CURRENT. THE HIGH SURF WILL ALSO LIKELY CAUSE ADDITIONAL 
  EROSION AND POSSIBLE BREACHES OF BEACHES AND THE DUNES THAT 
  HAVE ALREADY BEEN WEAKENED BY HURRICANE IRMA, DURING THOSE 
  TIMES OF HIGH TIDES. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A HIGH SURF ADVISORY MEANS THAT HIGH SURF WILL AFFECT BEACHES IN
THE ADVISORY AREA...PRODUCING LOCALIZED BEACH EROSION AND
DANGEROUS SWIMMING CONDITIONS. HEED THE ADVICE OF THE BEACH
PATROL. BEACHGOERS MAY NOT WANT TO ENTER THE WATER ABOVE THEIR
KNEES, OR STAY OUT OF THE WATER ALTOGETHER.

THERE WILL LIKELY BE A HIGH RISK OF RIP CURRENTS AGAIN ON SUNDAY.
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 JETTIES AND 
PIERS. HEED THE ADVICE OF LIFEGUARDS...BEACH PATROL FLAGS AND 
SIGNS.

A HIGH SURF ADVISORY MEANS THAT HIGH SURF WILL AFFECT BEACHES IN
THE ADVISORY AREA...PRODUCING LOCALIZED BEACH EROSION AND
DANGEROUS SWIMMING CONDITIONS.

&&

$$

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.