Alert archive / Florida / Rip Current Statements in 2019

Rip Current Statement 47, NWS Melbourne, FL

December 13, 2019Volusia County, Florida

NWS Melbourne, FL issued this rip current statement at Dec 13, 2019, 3:41 AM EST for Volusia County, Florida. It took effect at Dec 13, 2019, 4:00 AM EST. It was in force for 14 hr.

The area

The counties it named.

The facts

Issued
Dec 13, 2019, 3:41 AM EST (08:41 UTC)
In effect from
Dec 13, 2019, 4:00 AM EST
Expired
Dec 13, 2019, 6:00 PM EST
In force
14 hr
Issued by
NWS Melbourne, FL

County Volusia County, FL

The nearest sounding before it

Cape Canaveral, FL (KXMR), launched 00:00Z, 8.7 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 2019-12-13Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 378 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 2019-12-13The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 11 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
378 J/kg
Mixed-layer CIN
-6 J/kg
Mixed-layer LCL
518 m above ground
0-6 km bulk shear
24 kt
0-1 km storm-relative helicity
11 m²/s²
0-3 km storm-relative helicity
41 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

970 
WHUS42 KMLB 130841
CFWMLB

Coastal Hazard Message
National Weather Service Melbourne FL
341 AM EST Fri Dec 13 2019

FLZ047-054-059-064-141-147-132300-
/O.NEW.KMLB.RP.S.0047.191213T0900Z-191213T2300Z/
/O.CON.KMLB.SU.Y.0010.000000T0000Z-191213T1500Z/
Southern Brevard-Indian River-St. Lucie-Martin-Coastal Volusia-
Northern Brevard-
341 AM EST Fri Dec 13 2019

...HIGH SURF ADVISORY REMAINS IN EFFECT UNTIL 10 AM THIS
MORNING...
...HIGH RIP CURRENT RISK IN EFFECT THROUGH THIS AFTERNOON...

* WHAT...Large breaking waves of 5 to 7 feet along with numerous
  strong and dangerous Rip Currents are expected.

* WHERE...Southern Brevard, Indian River, St. Lucie, Martin, 
  Coastal Volusia and Northern Brevard Counties.

* WHEN...For the High Surf Advisory, until 10 AM this morning. For
  the High Rip Current Risk, through 6 PM this evening.

* IMPACTS...Dangerous swimming and surfing conditions and
  localized beach erosion. Rip currents can sweep even the best
  swimmers away from shore into deeper water. Rough surf can knock
  you down and make you even more susceptible to being caught in
  the seaward pull of a Rip Current.


PRECAUTIONARY/PREPAREDNESS ACTIONS...

High surf will affect the beaches in the advisory area, producing
localized beach erosion and dangerous swimming conditions. 
Swimmers should remain out of the water due to large breaking 
waves and dangerous surf conditions.

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, relax and
float. Don't swim against the current. If able, swim in a
direction following the shoreline. If unable to escape, face the
shore and call or wave for help.

&&

$$

The office that day

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

IssuedProductOfficeCountiesLasted
Dec 13, 4:55 AM ESTSmall Craft AdvisoryMLB35 hr
Dec 13, 11:52 AM ESTSmall Craft AdvisoryMLB4 hr

Nearby

Rip Current Statements in Florida, 2019Every rip current statement in 2019

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.