Alert archive / Florida / Rip Current Statements in 2016

Rip Current Statement 30, NWS Melbourne, FL

August 30, 2016Volusia County, Florida

NWS Melbourne, FL issued this rip current statement at Aug 30, 2016, 3:28 AM EDT for Volusia County, Florida. It took effect at Aug 30, 2016, 4:00 AM EDT. It was in force for 16 hr.

The area

The counties it named.

The facts

Issued: Aug 30, 2016, 3:28 AM EDT (07:28 UTC)
In effect from: Aug 30, 2016, 4:00 AM EDT
Expired: Aug 30, 2016, 8:00 PM EDT
In force: 16 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 07:27 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, 7.5 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-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

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: 493 J/kg
Mixed-layer CIN: -42 J/kg
Mixed-layer LCL: 948 m above ground
0-6 km bulk shear: 10 kt
0-1 km storm-relative helicity: -93 m²/s²
0-3 km storm-relative helicity: -80 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

Open this sounding in Storm Lab

The text

As transmitted.

200 
WHUS42 KMLB 300728
CFWMLB

COASTAL HAZARD MESSAGE
NATIONAL WEATHER SERVICE MELBOURNE FL
328 AM EDT TUE AUG 30 2016

FLZ047-054-059-064-141-147-310000-
/O.NEW.KMLB.RP.S.0030.160830T0800Z-160831T0000Z/
SOUTHERN BREVARD COUNTY-INDIAN RIVER-ST. LUCIE-MARTIN-
COASTAL VOLUSIA COUNTY-NORTHERN BREVARD COUNTY-
328 AM EDT TUE AUG 30 2016

...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. 

* TIMING...THE THREAT FOR DANGEROUS RIP CURRENTS WILL BE IN PLACE
  ALL DAY, HOWEVER, IT WILL BE HIGHEST BETWEEN 930 AM AND 4 PM DUE
  TO TIDAL EFFECTS.

* IMPACTS...A 13 TO 14 SECOND LONG PERIOD EASTERLY SWELL,
  GENERATED BY DISTANT MAJOR HURRICANE GASTON IN THE CENTRAL
  ATLANTIC, WILL CONTINUE TO PILE UP WATER BEHIND THE SAND BAR
  TODAY. THIS WILL RESULT IN NUMEROUS STRONG RIP CURRENTS IN THE
  SURF ZONE. THE SEAWARD PULL OF A RIP CURRENT CAN BE LIFE
  THREATENING. ONLY SWIM IN THE OCEAN NEAR A LIFEGUARD.

  IN ADDITION TO STRONG RIP CURRENTS...STRONG LONGSHORE CURRENTS
  WILL ALSO BE POSSIBLE TODAY. A SOUTHEAST WIND OF AROUND 15 MPH
  WILL RESULT IN A NORTHWARD FLOWING CURRENT ALONG THE BEACHES. 
  IF YOU FIND YOURSELF MOVING NORTHWARD ALONG THE COAST INTO DEEP
  WATER, REMAIN CALM AND DO NOT SWIM DIRECTLY BACK AGAINST THE
  CURRENT. SIGNAL FOR HELP AND TRY TO SWIM AT AN ANGLE TO THE
  CURRENT AND BACK TO SHORE. AVOID SWIMMING NEAR PIERS AND 
  JETTIES WHERE SEAWARD FLOWING RIP CURRENTS ARE STRONG.

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.

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.

&&

$$

SEDLOCK

The office that day

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

Issued	Product	Office	Counties	Lasted
Aug 30, 3:18 PM EDT	Small Craft Advisory	MLB		26 hr
Aug 30, 4:43 PM EDT	Special Weather Statement	MLB	Lake	47 min

Nearby

Rip Current Statements in Florida, 2016 Every rip current statement in 2016

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.