Alert archive / Florida / Rip Current Statements in 2011

Rip Current Statement 9, NWS Jacksonville, FL

November 3, 2011Flagler County, Nassau County, Florida

NWS Jacksonville, FL issued this rip current statement at Nov 3, 2011, 10:04 AM EDT for Flagler County, Nassau County, Florida. It was in force for 9 hr.

The area

The counties it named.

The facts

Issued
Nov 3, 2011, 10:04 AM EDT (14:04 UTC)
Expired
Nov 3, 2011, 7:00 PM EDT
In force
9 hr
Issued by
NWS Jacksonville, FL

Counties Flagler County, FL, Nassau County, FL

The nearest sounding before it

Jacksonville, FL (KJAX), launched 12:00Z, 2.1 hours before the alert went out and 54 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 12:00Z on 2011-11-03Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 18 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 12:00Z on 2011-11-03The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 59 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
18 J/kg
Mixed-layer CIN
-29 J/kg
Mixed-layer LCL
599 m above ground
0-6 km bulk shear
16 kt
0-1 km storm-relative helicity
59 m²/s²
0-3 km storm-relative helicity
152 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.

701 
WHUS42 KJAX 031404
CFWJAX

COASTAL HAZARD MESSAGE
NATIONAL WEATHER SERVICE JACKSONVILLE FL
1004 AM EDT THU NOV 3 2011

FLZ024-025-033-038-032300-
/O.NEW.KJAX.RP.S.0009.111103T1404Z-111103T2300Z/
NASSAU-DUVAL-ST JOHNS-FLAGLER-
1004 AM EDT THU NOV 3 2011

...RIP CURRENT RISK IN EFFECT UNTIL 7 PM EDT THIS EVENING...

* TIMING...DUE TO MODERATE SIZE LONG PERIOD SWELL AND ONSHORE FLOW
  RIP CURRENTS WILL BE STRONG AND FREQUENT TODAY. THE RISK WILL BE
  HEIGHTENED ESPECIALLY THIS MORNING THROUGH MID AFTERNOON.

* IMPACTS...THE SURF WILL BE DANGEROUS FOR ANY SWIMMER OR SURFER
  TO ENTER DUE TO STRONG RIP CURRENTS. BREAKERS OF UP TO 3 TO 5
  FEET ARE EXPECTED WITH SLIGHTLY HIGHER SURF POSSIBLE NEAR
  INLETS AND PIERS.

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 GROINS...
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.

&&

$$

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
1 follow-up statement
517 
WHUS42 KJAX 032243 AAA
CFWJAX

COASTAL HAZARD MESSAGE...UPDATED
NATIONAL WEATHER SERVICE JACKSONVILLE FL
643 PM EDT THU NOV 3 2011

FLZ024-025-033-038-032345-
/O.EXP.KJAX.RP.S.0009.000000T0000Z-111103T2300Z/
NASSAU-DUVAL-ST JOHNS-FLAGLER-
643 PM EDT THU NOV 3 2011

...HIGH RIP CURRENT RISK WILL EXPIRE AT 7 PM EDT THIS EVENING...

THE ONSHORE FLOW ALONG THE COAST HAS WEAKENED THIS EVENING AND A
MODERATE RISK OF RIP CURRENTS WILL LINGER THROUGH THE UPCOMING
WEEKEND. BREAKERS OF 4 TO 6 FEET WILL CONTINUE THROUGH FRIDAY.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

THERE IS A MODERATE 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 GROINS...
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.

&&

$$

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

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.