Alert archive / Florida / Rip Current Statements in 2016

Rip Current Statement 31, NWS Melbourne, FL

August 31, 2016Volusia County, Florida

NWS Melbourne, FL issued this rip current statement at Aug 31, 2016, 3:50 AM EDT for Volusia County, Florida. It took effect at Aug 31, 2016, 4:00 AM EDT. It was in force for 16 hr.

The area

The counties it named.

The facts

Issued
Aug 31, 2016, 3:50 AM EDT (07:50 UTC)
In effect from
Aug 31, 2016, 4:00 AM EDT
Expired
Aug 31, 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 07:51 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, 7.8 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 2016-08-31Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 270 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 2016-08-31The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -25 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
270 J/kg
Mixed-layer CIN
-22 J/kg
Mixed-layer LCL
796 m above ground
0-6 km bulk shear
8 kt
0-1 km storm-relative helicity
-25 m²/s²
0-3 km storm-relative helicity
0 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

930 
WHUS42 KMLB 310750
CFWMLB

COASTAL HAZARD MESSAGE
NATIONAL WEATHER SERVICE MELBOURNE FL
350 AM EDT WED AUG 31 2016

FLZ047-054-059-064-141-147-010000-
/O.NEW.KMLB.RP.S.0031.160831T0800Z-160901T0000Z/
SOUTHERN BREVARD COUNTY-INDIAN RIVER-ST. LUCIE-MARTIN-
COASTAL VOLUSIA COUNTY-NORTHERN BREVARD COUNTY-
350 AM EDT WED AUG 31 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 10 AM AND 5 PM DUE
  TO TIDAL EFFECTS.

* IMPACTS...A 12 TO 13 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.

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.

IssuedProductOfficeCountiesLasted
Aug 31, 3:20 PM EDTSpecial Weather StatementMLBOsceola55 min
Aug 31, 3:56 PM EDTSpecial Marine WarningMLB109 min
Aug 31, 4:08 PM EDTSpecial Weather StatementMLBBrevard67 min
Aug 31, 4:24 PM EDTSpecial Weather StatementMLBOrange51 min
Aug 31, 5:10 PM EDTSpecial Marine WarningMLB80 min
Aug 31, 5:20 PM EDTSpecial Weather StatementMLBSeminole40 min
Aug 31, 5:25 PM EDTSpecial Marine WarningMLB65 min
Aug 31, 5:38 PM EDTSpecial Weather StatementMLBIndian River, Okeechobee, Saint Lucie52 min
Aug 31, 7:36 PM EDTSpecial Weather StatementMLBIndian River24 min

Nearby

Rip Current Statements in Florida, 2016Every 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.