Alert archive / Florida / Rip Current Statements in 2015

Rip Current Statement 13, NWS Jacksonville, FL

November 23, 2015Duval County, Flagler County, Nassau County, Florida

NWS Jacksonville, FL issued this rip current statement at Nov 23, 2015, 2:45 AM EST for Duval County, Flagler County, Nassau County, Florida. It was in force for 24 hr.

The area

The counties it named.

The facts

Issued
Nov 23, 2015, 2:45 AM EST (07:45 UTC)
Expired
Nov 24, 2015, 2:23 AM EST
In force
24 hr
Issued by
NWS Jacksonville, FL

Counties Duval County, FL, Flagler County, FL, Nassau County, FL

The radar

The Jacksonville radar (KJAX), 40 km from the middle of the area, began a volume at 07:47 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

Jacksonville, FL (KJAX), launched 00:00Z, 7.8 hours before the alert went out and 42 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 2015-11-23Temperature 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°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Jacksonville, FL at 00:00Z on 2015-11-23The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -152 square meters per square second.1939587897Sfc1 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
642 m above ground
0-6 km bulk shear
55 kt
0-1 km storm-relative helicity
-152 m²/s²
0-3 km storm-relative helicity
8 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.

418 
WHUS42 KJAX 230745
CFWJAX

COASTAL HAZARD MESSAGE
NATIONAL WEATHER SERVICE JACKSONVILLE FL
245 AM EST MON NOV 23 2015


FLZ033-038-124-125-241100-
/O.NEW.KJAX.RP.S.0013.151123T0745Z-151124T1100Z/
ST. JOHNS-FLAGLER-COASTAL NASSAU-COASTAL DUVAL-
245 AM EST MON NOV 23 2015

...HIGH RIP CURRENT RISK IN EFFECT THROUGH LATE TONIGHT...

THE NATIONAL WEATHER SERVICE IN JACKSONVILLE HAS ISSUED A HIGH
RIP CURRENT RISK...WHICH IS IN EFFECT THROUGH LATE TONIGHT. 

* TIMING...GUSTY NORTHEAST WINDS ALONG THE COAST WILL CREATE A
  HIGH RISK OF RIP CURRENTS THROUGH TONIGHT. SURF WILL BE ROUGH
  WITH BREAKERS OF 4 TO 6 FEET TODAY.

* IMPACTS...STRONG ONSHORE WINDS AND ROUGH SURF WILL SUPPORT A
  HIGH RISK OF RIP CURRENTS AT AREA BEACHES. 

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 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. DO NOT ATTEMPT TO SAVE
SOMEONE IN PERIL IF YOU DO NOT KNOW HOW TO ESCAPE RIP CURRENTS

&&

$$
1 follow-up statement
672 
WHUS42 KJAX 240723
CFWJAX

COASTAL HAZARD MESSAGE
NATIONAL WEATHER SERVICE JACKSONVILLE FL
223 AM EST TUE NOV 24 2015


FLZ033-038-124-125-242100-
/O.CAN.KJAX.RP.S.0013.000000T0000Z-151124T1100Z/
/O.NEW.KJAX.CF.Y.0005.151124T0723Z-151126T2300Z/
ST. JOHNS-FLAGLER-COASTAL NASSAU-COASTAL DUVAL-
223 AM EST TUE NOV 24 2015

...COASTAL FLOOD ADVISORY IN EFFECT UNTIL 6 PM EST THURSDAY...
...HIGH RIP CURRENT RISK IS CANCELLED...

THE NATIONAL WEATHER SERVICE IN JACKSONVILLE HAS ISSUED A COASTAL
FLOOD ADVISORY...WHICH IS IN EFFECT UNTIL 6 PM EST THURSDAY. THE
HIGH RIP CURRENT RISK HAS BEEN CANCELLED. 

* COASTAL FLOODING...HIGH ASTRONOMICAL TIDES AND ONSHORE FLOW FROM
  THE PAST FEW DAYS WILL RESULT IN MINOR TIDAL FLOODING AROUND
  HIGH TIDE THIS MORNING AND AFTERNOON. ADDITIONAL TIDAL FLOODING
  WILL BE LIKELY WITH HIGH TIDE CYCLES WEDNESDAY MORNING AND
  THURSDAY MORNING. 

* TIMING...THE TIME OF THE NEXT HIGH TIDES TODAY IS GENERALLY
  BETWEEN 6 AM AND 9 AM ALONG THE COAST AND 9 AM AND 3 PM FOR THE
  ST JOHNS RIVER.

* IMPACTS...BEACHFRONT INTERESTS MAY WISH TO SECURE PROPERLY 
  ANYTHING THAT COULD WASH AWAY DURING HIGH TIDES. MINOR 
  FLOODING OF LOW LYING AND POOR DRAINAGE AREAS MAY ALSO OCCUR 
  ALONG THE SAINT JOHNS RIVER BASIN AND ITS TRIBUTARIES. 
  VULNERABLE FLOOD AREAS INCLUDE THE SAN MARCO AREA OF 
  JACKSONVILLE...DUNNS CREEK NEAR SATSUMA...AND SPORTSMANS 
  HARBOR NEAR WELAKA. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A COASTAL FLOOD ADVISORY INDICATES THAT ONSHORE WINDS AND TIDES
WILL COMBINE TO GENERATE FLOODING OF LOW AREAS ALONG THE SHORE.

&&

$$

FLZ025-032-037-GAZ154-166-242100-
/O.NEW.KJAX.CF.Y.0005.151124T0723Z-151126T2300Z/
INLAND DUVAL-CLAY-PUTNAM-COASTAL GLYNN-COASTAL CAMDEN-
223 AM EST TUE NOV 24 2015

...COASTAL FLOOD ADVISORY IN EFFECT UNTIL 6 PM EST THURSDAY...

THE NATIONAL WEATHER SERVICE IN JACKSONVILLE HAS ISSUED A COASTAL
FLOOD ADVISORY...WHICH IS IN EFFECT UNTIL 6 PM EST THURSDAY. 

* COASTAL FLOODING...HIGH ASTRONOMICAL TIDES AND ONSHORE FLOW
  FROM THE PAST FEW DAYS WILL RESULT IN MINOR TIDAL FLOODING
  AROUND HIGH TIDE THIS MORNING AND AFTERNOON. ADDITIONAL TIDAL
  FLOODING WILL BE LIKELY WITH HIGH TIDE CYCLES WEDNESDAY MORNING
  AND THURSDAY MORNING.

* TIMING...THE TIME OF THE NEXT HIGH TIDES TODAY IS GENERALLY
  BETWEEN 6 AM AND 9 AM ALONG THE COAST AND 9 AM AND 3 PM FOR THE
  ST JOHNS RIVER.

* IMPACTS...BEACHFRONT INTERESTS MAY WISH TO SECURE PROPERLY 
  ANYTHING THAT COULD WASH AWAY DURING HIGH TIDES. MINOR 
  FLOODING OF LOW LYING AND POOR DRAINAGE AREAS MAY ALSO OCCUR 
  ALONG THE SAINT JOHNS RIVER BASIN AND ITS TRIBUTARIES. 
  VULNERABLE FLOOD AREAS INCLUDE THE SAN MARCO AREA OF 
  JACKSONVILLE...DUNNS CREEK NEAR SATSUMA...AND SPORTSMANS 
  HARBOR NEAR WELAKA. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A COASTAL FLOOD ADVISORY INDICATES THAT ONSHORE WINDS AND TIDES
WILL COMBINE TO GENERATE FLOODING OF LOW AREAS ALONG THE SHORE.

&&

$$

The office that day

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

IssuedProductOfficeCountiesLasted
Nov 23, 2:52 AM ESTFrost AdvisoryJAXBaker, Gilchrist, Nassau, Suwannee30 hr

Nearby

Rip Current Statements in Florida, 2015Every rip current statement in 2015

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.