Alert archive / Georgia / Rip Current Statements in 2016

Rip Current Statement 20, NWS Jacksonville, FL

November 12, 2016Camden County, Glynn County, Georgia; Nassau County, Florida

NWS Jacksonville, FL issued this rip current statement at Nov 12, 2016, 2:48 AM EST for Camden County, Glynn County, Georgia; Nassau County, Florida. It took effect at Nov 12, 2016, 7:00 AM EST. It was in force for 7 hr.

The area

The counties it named.

The facts

Issued
Nov 12, 2016, 2:48 AM EST (07:48 UTC)
In effect from
Nov 12, 2016, 7:00 AM EST
Expired
Nov 12, 2016, 1:47 PM EST
In force
7 hr
Issued by
NWS Jacksonville, FL

Counties Nassau County, FL, Camden County, GA, Glynn County, GA

The radar

The Jacksonville radar (KJAX), 48 km from the middle of the area, began a volume at 07:49 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 47 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 2016-11-12Temperature 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 2016-11-12The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 10 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
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
3320 m above ground
0-6 km bulk shear
27 kt
0-1 km storm-relative helicity
10 m²/s²
0-3 km storm-relative helicity
55 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

641 
WHUS42 KJAX 120748
CFWJAX

COASTAL HAZARD MESSAGE
NATIONAL WEATHER SERVICE JACKSONVILLE FL
248 AM EST SAT NOV 12 2016


FLZ124-GAZ154-166-122100-
/O.NEW.KJAX.RP.S.0020.161112T1200Z-161113T1000Z/
/O.EXA.KJAX.CF.S.0004.000000T0000Z-161113T1000Z/
COASTAL NASSAU-COASTAL GLYNN-COASTAL CAMDEN-
248 AM EST SAT NOV 12 2016

...HIGH RIP CURRENT RISK IN EFFECT FROM 7 AM EST THIS MORNING
THROUGH LATE TONIGHT...

...ELEVATED WATERS LEVELS DURING THE TIMES OF HIGH TIDE...

* HIGHER THAN NORMAL WATER LEVELS WILL OCCUR DURING TIMES OF HIGH
  TIDE DUE TO INCREASING ONSHORE WINDS THE APPROACH OF THE FULL
  MOON CYCLE. WATER LEVELS ARE EXPECTED TO REACH ACTION STAGE...
  BUT WILL REMAIN JUST BELOW MINOR FLOODING LEVELS THROUGH
  TONIGHT. MINOR FLOODING LEVELS MAY BE REACHED ON SUNDAY AND
  MONDAY.

  THERE IS A HIGH RISK OF RIP CURRENTS TODAY AND TONIGHT AS
  ONSHORE WINDS INCREASE AND SEAS BUILD.

* IMPACTS...RIP CURRENTS WILL LIKELY BE LIFE THREATENING IN THE
  SURF ZONE.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A COASTAL FLOOD STATEMENT INDICATES THAT ONSHORE WINDS AND HIGH
TIDES WILL COMBINE TO GENERATE ELEVATED WATER LEVELS.

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.

&&

$$

FLZ025-032-033-037-125-122100-
/O.CON.KJAX.CF.S.0004.000000T0000Z-161113T1000Z/
INLAND DUVAL-CLAY-ST. JOHNS-PUTNAM-COASTAL DUVAL-
248 AM EST SAT NOV 12 2016

...ELEVATED WATERS LEVELS DURING THE TIMES OF HIGH TIDE...

* HIGHER THAN NORMAL WATER LEVELS WILL OCCUR DURING TIMES OF HIGH
  TIDE ALONG THE ST. JOHNS RIVER AND AT THE COAST DUE TO
  INCREASING ONSHORE WINDS AND THE FULL MOON CYCLE. WATER LEVELS
  ARE EXPECTED TO REACH ACTION STAGE...BUT WILL REMAIN JUST BELOW
  MINOR FLOODING LEVELS DURING TIMES OF HIGH TIDE THROUGH TONIGHT.
  MINOR FLOODING LEVELS MAY BE REACHED SUNDAY AND MONDAY.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A COASTAL FLOOD STATEMENT INDICATES THAT ONSHORE WINDS AND HIGH
TIDES WILL COMBINE TO GENERATE ELEVATED WATER LEVELS.

&&

$$
1 follow-up statement
152 
WHUS42 KJAX 121847
CFWJAX

COASTAL HAZARD MESSAGE
NATIONAL WEATHER SERVICE JACKSONVILLE FL
147 PM EST SAT NOV 12 2016


FLZ124-GAZ154-166-130900-
/O.CAN.KJAX.CF.S.0004.000000T0000Z-161113T1000Z/
/O.CAN.KJAX.RP.S.0020.000000T0000Z-161113T1000Z/
/O.NEW.KJAX.CF.Y.0003.161112T2100Z-161114T1400Z/
COASTAL NASSAU-COASTAL GLYNN-COASTAL CAMDEN-
147 PM EST SAT NOV 12 2016

...COASTAL FLOOD ADVISORY IN EFFECT UNTIL 9 AM EST MONDAY...
...HIGH RIP CURRENT RISK IS CANCELLED...

* COASTAL FLOODING...HIGHER THAN NORMAL WATER LEVELS OF 1 TO 1.5
  FEET ABOVE PREDICTED VALUES WILL OCCUR ALONG THE COAST DUE TO
  NORTHEASTERLY ONSHORE WINDS AND THE FULL MOON CYCLE.

* TIMING...AT TIMES OF HIGH TIDE SUNDAY AND MONDAY MORNING.

* IMPACTS...MINOR INUNDATION IN AND NEAR LOW-LYING COASTAL AREAS
  AND ALONG THE ST JOHNS RIVER BASIN COULD RESULT IN SOME ROADS
  BECOMING IMPASSABLE. THE BEACHES HAVE BEEN WEAKENED BY HURRICANE
  MATTHEW AND ARE MORE SUSCEPTIBLE TO POSSIBLE COASTAL FLOODING.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

$$

FLZ025-032-033-037-125-130900-
/O.CAN.KJAX.CF.S.0004.000000T0000Z-161113T1000Z/
/O.NEW.KJAX.CF.Y.0003.161112T2100Z-161114T1400Z/
INLAND DUVAL-CLAY-ST. JOHNS-PUTNAM-COASTAL DUVAL-
147 PM EST SAT NOV 12 2016

...COASTAL FLOOD ADVISORY IN EFFECT UNTIL 9 AM EST MONDAY...

* COASTAL AND RIVER FLOODING...HIGHER THAN NORMAL WATER LEVELS OF
  1 TO 1.5 FEET WILL OCCUR ALONG THE ST. JOHNS RIVER AND AT THE
  COAST DUE TO NORTHEASTERLY ONSHORE WINDS AND THE FULL MOON
  CYCLE.

* TIMING...AT TIMES OF HIGH TIDE SUNDAY AND MONDAY MORNING.

* IMPACTS...MINOR INUNDATION IN AND NEAR LOW-LYING COASTAL AREAS
  AND ALONG THE ST JOHNS RIVER BASIN COULD RESULT IN SOME ROADS
  BECOMING IMPASSABLE. THE BEACHES HAVE BEEN WEAKENED BY HURRICANE
  MATTHEW AND ARE MORE SUSCEPTIBLE TO POSSIBLE COASTAL FLOODING.

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 12, 1:47 PM ESTCoastal Flood AdvisoryJAXCamden, Glynn48 hr

Nearby

Rip Current Statements in Georgia, 2016Rip Current Statements in Florida, 2016Every rip current statement in 2016

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.