Alert archive / Florida / Rip Current Statements in 2012

Rip Current Statement 11, NWS Melbourne, FL

November 24, 2012Volusia County, Florida

NWS Melbourne, FL issued this rip current statement at Nov 24, 2012, 3:06 AM EST for Volusia County, Florida. It took effect at Nov 24, 2012, 4:00 AM EST. It was in force for 15 hr.

The area

The counties it named.

The facts

Issued
Nov 24, 2012, 3:06 AM EST (08:06 UTC)
In effect from
Nov 24, 2012, 4:00 AM EST
Expired
Nov 24, 2012, 7:00 PM EST
In force
15 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 08:12 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 2012-11-24Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Jacksonville, FL at 00:00Z on 2012-11-24The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 86 square meters per square second.19395878Sfc1 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
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
1871 m above ground
0-6 km bulk shear
38 kt
0-1 km storm-relative helicity
86 m²/s²
0-3 km storm-relative helicity
103 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.

473 
WHUS42 KMLB 240806
CFWMLB

COASTAL HAZARD MESSAGE
NATIONAL WEATHER SERVICE MELBOURNE FL
306 AM EST SAT NOV 24 2012

...HIGH RIP CURRENT RISK THIS MORNING THROUGH EARLY THIS
EVENING...

FLZ047-054-059-064-141-147-250000-
/O.NEW.KMLB.RP.S.0011.121124T0900Z-121125T0000Z/
SOUTHERN BREVARD-INDIAN RIVER-ST. LUCIE-MARTIN-COASTAL VOLUSIA-
NORTHERN BREVARD-
306 AM EST SAT NOV 24 2012

...HIGH RIP CURRENT RISK IN EFFECT THROUGH EARLY THIS EVENING...


* TIMING...THE SURF ZONE WILL BE HAZARDOUS ALL DAY BUT THE
  STRONGEST RIP CURRENTS ARE EXPECTED TO OCCUR DURING MID MORNING
  AND EARLY AFTERNOON DUE TO TIDAL EFFECTS AND A LONG PERIOD OCEAN
  SWELL.

* IMPACTS...WHEN THE RIP CURRENT RISK IS HIGH...THE SURF ZONE IS
  DANGEROUS FOR ALL LEVELS OF SWIMMERS.

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.

&&

$$

SEDLOCK

Nearby

Rip Current Statements in Florida, 2012Every rip current statement in 2012

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.