Alert archive / Florida / Rip Current Statements in 2011

Rip Current Statement 8, NWS Melbourne, FL

November 18, 2011Volusia County, Florida

NWS Melbourne, FL issued this rip current statement at Nov 18, 2011, 4:33 AM EST for Volusia County, Florida. It was in force for 14 hr.

The area

The counties it named.

The facts

Issued
Nov 18, 2011, 4:33 AM EST (09:33 UTC)
Expired
Nov 18, 2011, 7:00 PM EST
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 09:34 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, 9.6 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 2011-11-18Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1046 joules per kilogram.LCLLFCEL10008507005003002001001 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, Cape Canaveral, FL at 00:00Z on 2011-11-18The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -60 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
1046 J/kg
Mixed-layer CIN
-5 J/kg
Mixed-layer LCL
681 m above ground
0-6 km bulk shear
28 kt
0-1 km storm-relative helicity
-60 m²/s²
0-3 km storm-relative helicity
-7 m²/s²
Significant tornado parameter
-0.2
Supercell composite
-1.6

Open this sounding in Storm Lab

The text

As transmitted, in the capitals the NWS used until 2016.

575 
WHUS42 KMLB 180933
CFWMLB

COASTAL HAZARD MESSAGE
NATIONAL WEATHER SERVICE MELBOURNE FL
433 AM EST FRI NOV 18 2011

FLZ047-054-059-064-141-147-190000-
/O.NEW.KMLB.RP.S.0008.111118T0933Z-111119T0000Z/
SOUTHERN BREVARD-INDIAN RIVER-ST. LUCIE-MARTIN-COASTAL VOLUSIA-
NORTHERN BREVARD-
433 AM EST FRI NOV 18 2011

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

* TIMING...THE SURF ZONE WILL BE HAZARDOUS ALL DAY.

* IMPACTS...GUSTY NORTHEAST WINDS WILL DRIVE A RATHER STRONG
  SOUTHWARD FLOWING CURRENT...WHICH WILL LEAD TO DANGEROUS RIP
  CURRENTS NEAR PIERS AND JETTIES. ADDITIONALLY...HEAVY BREAKING
  WAVES WILL BE CAPABLE OF KNOCKING YOU DOWN AND MAKING YOU
  SUSCEPTIBLE TO OCEAN CURRENTS.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

THERE IS A HIGH RISK OF RIP CURRENTS...LONGSHORE CURRENTS AND
DANGEROUS BREAKING WAVES. CONDITIONS WILL BE HAZARDOUS EVEN FOR
STRONG SWIMMERS.

HEED THE ADVICE OF LIFEGUARDS AND THE BEACH PATROL. PAY ATTENTION
TO FLAGS AND POSTED SIGNS. NEVER SWIM ALONE IN THE OCEAN.

&&

$$

PLEASE VISIT THE FOLLOWING WEBSITE TO SHARE YOUR THOUGHTS ON THE
NEW RIP CURRENT HAZARD...

HTTP://WWW.WEATHER.GOV/SURVEY/NWS-SURVEY.PHP?CODE=RCVTECCHM

The office that day

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

IssuedProductOfficeCountiesLasted
Nov 18, 3:53 AM ESTLake Wind AdvisoryMLBLake, Okeechobee, Orange, Osceola, Seminole, Volusia15 hr

Nearby

Rip Current Statements in Florida, 2011Every rip current statement in 2011

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.