Alert archive / Florida / Rip Current Statements in 2017

Rip Current Statement 33, NWS Melbourne, FL

September 25, 2017Volusia County, Florida

NWS Melbourne, FL issued this rip current statement at Sep 25, 2017, 3:41 AM EDT for Volusia County, Florida. It took effect at Sep 25, 2017, 6:00 AM EDT. It was in force for 14 hr.

The area

The counties it named.

The facts

Issued
Sep 25, 2017, 3:41 AM EDT (07:41 UTC)
In effect from
Sep 25, 2017, 6:00 AM EDT
Expired
Sep 25, 2017, 8:00 PM EDT
In force
14 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 07:43 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, 7.7 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 2017-09-25Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 220 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 2017-09-25The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -62 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
220 J/kg
Mixed-layer CIN
-117 J/kg
Mixed-layer LCL
1139 m above ground
0-6 km bulk shear
24 kt
0-1 km storm-relative helicity
-62 m²/s²
0-3 km storm-relative helicity
-45 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

069 
WHUS42 KMLB 250741
CFWMLB

COASTAL HAZARD MESSAGE
NATIONAL WEATHER SERVICE MELBOURNE FL
341 AM EDT MON SEP 25 2017

...HIGH SURF ADVISORY CONTINUES INTO THIS EVENING ALONG THE EAST 
CENTRAL FLORIDA COAST...

FLZ047-054-059-064-141-147-260200-
/O.NEW.KMLB.RP.S.0033.170925T1000Z-170926T0000Z/
/O.CON.KMLB.SU.Y.0004.000000T0000Z-170926T0200Z/
SOUTHERN BREVARD COUNTY-INDIAN RIVER-ST. LUCIE-MARTIN-
COASTAL VOLUSIA COUNTY-NORTHERN BREVARD COUNTY-
341 AM EDT MON SEP 25 2017

...HIGH SURF ADVISORY REMAINS IN EFFECT UNTIL 10 PM EDT THIS
EVENING...
...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...SEAS WITHIN THE NEAR SHORE WATERS WILL REMAIN
  AROUND 7 TO 8 FEET. LARGE BREAKING WAVES AND LONG PERIOD SWELLS
  WILL MOVE LARGE VOLUMES OF WATER ONTO THE BEACHES AND POSE 
  HAZARDOUS CONDITIONS FOR SWIMMERS. 

* TIMING...CONDITIONS WILL REMAIN HAZARDOUS THROUGH TODAY. MINOR
  BEACH EROSION MAY OCCUR NEAR THE TIMES OF HIGH TIDE ROUGHLY
  BETWEEN 11 AM TO 2 PM ALONG THE EAST CENTRAL FLORIDA COASTLINE.
 
* IMPACTS...LARGE BREAKING WAVES WILL MAKE SWIMMING DANGEROUS.
  NUMEROUS RIP CURRENTS WILL LIKELY FORM, AND ESPECIALLY DURING
  THE TIMES OF THE OUTGOING TIDE. POUNDING SURF CAN EASILY KNOCK
  YOU OFF OF YOUR FEET IF WALKING IN THE SURF. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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.

SWIM NEAR A LIFEGUARD. IF CAUGHT IN A RIP CURRENT, RELAX AND
FLOAT. DON'T SWIM AGAINST THE CURRENT. IF ABLE, SWIM IN A
DIRECTION FOLLOWING THE SHORELINE. IF UNABLE TO ESCAPE, FACE THE
SHORE AND CALL OR WAVE FOR HELP.

&&

$$

JP

The office that day

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

IssuedProductOfficeCountiesLasted
Sep 25, 3:51 AM EDTSmall Craft Advisory for Hazardous SeasMLB42 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.