Alert archive / Florida / Rip Current Statements in 2013

Rip Current Statement 5, NWS Melbourne, FL

April 29, 2013Volusia County, Florida

NWS Melbourne, FL issued this rip current statement at Apr 29, 2013, 4:08 AM EDT for Volusia County, Florida. It was in force for 16 hr.

The area

The counties it named.

The facts

Issued
Apr 29, 2013, 4:08 AM EDT (08:08 UTC)
Expired
Apr 29, 2013, 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 08:08 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

Jacksonville, FL (KJAX), launched 00:00Z, 8.1 hours before the alert went out and 168 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, Jacksonville, FL at 00:00Z on 2013-04-29Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 7 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, Jacksonville, FL at 00:00Z on 2013-04-29The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 62 square meters per square second.193958Sfc1 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
7 J/kg
Mixed-layer CIN
-86 J/kg
Mixed-layer LCL
1233 m above ground
0-6 km bulk shear
31 kt
0-1 km storm-relative helicity
62 m²/s²
0-3 km storm-relative helicity
119 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.

742 
WHUS42 KMLB 290808
CFWMLB

COASTAL HAZARD MESSAGE
NATIONAL WEATHER SERVICE MELBOURNE FL
408 AM EDT MON APR 29 2013

...HIGH RIP CURRENT THREAT THROUGH 800 PM...

...NAVIGATING INLETS WILL BE HAZARDOUS DURING THE OUTGOING TIDES...

FLZ047-054-059-064-141-147-300000-
/O.NEW.KMLB.RP.S.0005.130429T0808Z-130430T0000Z/
SOUTHERN BREVARD-INDIAN RIVER-ST. LUCIE-MARTIN-COASTAL VOLUSIA-
NORTHERN BREVARD-
408 AM EDT MON APR 29 2013

...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...WHILE RIP CURRENTS WILL BE OCCURRING ALL DAY...THE
  HIGHEST THREAT WILL BE BETWEEN ABOUT 230 AND 830 PM...CENTERED
  AROUND THE TIMES OF LOW...OR OUTGOING TIDE.

* IMPACTS...SWELL CONDITIONS SUPPORT STRONG AND DANGEROUS RIP
  CURRENTS. RIP CURRENTS MAY BE LIFE-THREATENING TO ANYONE
  ENTERING THE SURF.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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 AND THE BEACH PATROL. PAY
ATTENTION TO FLAGS AND POSTED SIGNS. 

IF YOU BECOME CAUGHT IN A RIP CURRENT...DO NOT PANIC. REMAIN CALM
AND BEGIN TO SWIM PARALLEL TO SHORE. ONCE YOU ARE AWAY FROM THE
FORCE OF THE RIP CURRENT...BEGIN TO SWIM BACK TO THE BEACH. DO
NOT ATTEMPT TO SWIM DIRECTLY AGAINST A RIP CURRENT. EVEN A STRONG
SWIMMER CAN BECOME EXHAUSTED QUICKLY.

NAVIGATING INLETS WILL BECOME HAZARDOUS AROUND THE TIMES OF THE
OUTGOING TIDE THIS AFTERNOON.

&&

$$

CRISTALDI

The office that day

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

IssuedProductOfficeCountiesLasted
Apr 29, 5:32 PM EDTSpecial Weather StatementMLBOkeechobee43 min
Apr 29, 5:43 PM EDTSevere Thunderstorm WarningMLBOkeechobee47 min
Apr 29, 6:55 PM EDTSpecial Weather StatementMLBIndian River35 min
Apr 29, 7:59 PM EDTSevere Thunderstorm WarningMLBBrevard, Osceola46 min

Nearby

Rip Current Statements in Florida, 2013Every rip current statement in 2013

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.