Alert archive / Florida / Rip Current Statements in 2019

Rip Current Statement 51, NWS Melbourne, FL

December 23, 2019Volusia County, Florida

NWS Melbourne, FL issued this rip current statement at Dec 23, 2019, 3:45 AM EST for Volusia County, Florida. It took effect at Dec 23, 2019, 4:00 AM EST. It was in force for 14 hr.

The area

The counties it named.

The facts

Issued
Dec 23, 2019, 3:45 AM EST (08:45 UTC)
In effect from
Dec 23, 2019, 4:00 AM EST
Expired
Dec 23, 2019, 6:00 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 08:47 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, 8.8 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 2019-12-23Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 14 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 2019-12-23The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 73 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
14 J/kg
Mixed-layer CIN
-54 J/kg
Mixed-layer LCL
870 m above ground
0-6 km bulk shear
44 kt
0-1 km storm-relative helicity
73 m²/s²
0-3 km storm-relative helicity
289 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.1

Open this sounding in Storm Lab

The text

As transmitted.

639 
WHUS42 KMLB 230845
CFWMLB

Coastal Hazard Message
National Weather Service Melbourne FL
345 AM EST Mon Dec 23 2019

FLZ047-054-059-064-141-147-231500-
/O.NEW.KMLB.RP.S.0051.191223T0900Z-191223T2300Z/
/O.CON.KMLB.SU.Y.0011.000000T0000Z-191223T1500Z/
Southern Brevard-Indian River-St. Lucie-Martin-Coastal Volusia-
Northern Brevard-
345 AM EST Mon Dec 23 2019

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

* WHAT...For the High Surf Advisory, expect large breaking waves
  of 5 to 7 feet early this morning. For the High Rip Current
  Risk, numerous strong and dangerous rip currents are expected
  all day.

* 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 early 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.

* ADDITIONAL INFORMATION...The next high tide along the central
  Florida Atlantic coast will occur around 530 AM this morning.
  The threat for Rip Currents will be highest between 830 AM this
  morning and 230 PM this afternoon due to tidal effects.

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.


&&

$$
1 follow-up statement
039 
WHUS42 KMLB 231506
CFWMLB

Coastal Hazard Message
National Weather Service Melbourne FL
1006 AM EST Mon Dec 23 2019

FLZ047-054-059-064-141-147-232300-
/O.EXP.KMLB.SU.Y.0011.000000T0000Z-191223T1500Z/
/O.CON.KMLB.RP.S.0051.000000T0000Z-191223T2300Z/
Southern Brevard-Indian River-St. Lucie-Martin-Coastal Volusia-
Northern Brevard-
1006 AM EST Mon Dec 23 2019

...HIGH RIP CURRENT RISK REMAINS IN EFFECT UNTIL 6 PM EST THIS
EVENING...
...HIGH SURF ADVISORY HAS EXPIRED...

* WHAT...Life-threatening rip currents.

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

* WHEN...For the High Rip Current Risk, through 6 PM early this 
  evening.

* IMPACTS...Rip currents can sweep even the best swimmers away 
  from shore into deeper water.

* ADDITIONAL INFORMATION...The threat for Rip Currents will be
  highest through 230 PM this afternoon due to tidal effects.

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, 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 23, 3:24 AM ESTSpecial Marine WarningMLB3 hr
Dec 23, 7:44 AM ESTSpecial Marine WarningMLB61 min

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; radar from the NEXRAD Level II archive.