Alert archive / Florida / Rip Current Statements in 2011

Rip Current Statement 5, NWS Jacksonville, FL

October 11, 2011Flagler County, Nassau County, Florida; Camden County, Glynn County, Georgia

NWS Jacksonville, FL issued this rip current statement at Oct 11, 2011, 3:26 AM EDT for Flagler County, Nassau County, Florida; Camden County, Glynn County, Georgia. It was in force for 11 hr.

The area

The counties it named.

The facts

Issued
Oct 11, 2011, 3:26 AM EDT (07:26 UTC)
Expired
Oct 11, 2011, 2:32 PM EDT
In force
11 hr
Issued by
NWS Jacksonville, FL

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

The radar

The Jacksonville radar (KJAX), 17 km from the middle of the area, began a volume at 07:27 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 (KNIP), launched 00:00Z, 7.4 hours before the alert went out and 16 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 2011-10-11Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1318 joules per kilogram.LCLEL10008507005003002001001 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 2011-10-11The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 36 square meters per square second.1939Sfc1 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
1318 J/kg
Mixed-layer CIN
-1 J/kg
Mixed-layer LCL
550 m above ground
0-6 km bulk shear
15 kt
0-1 km storm-relative helicity
36 m²/s²
0-3 km storm-relative helicity
56 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.

830 
WHUS42 KJAX 110726
CFWJAX

COASTAL HAZARD MESSAGE
NATIONAL WEATHER SERVICE JACKSONVILLE FL
326 AM EDT TUE OCT 11 2011

FLZ024-025-033-038-GAZ154-166-120100-
/O.NEW.KJAX.SU.Y.0004.111011T0726Z-111012T0100Z/
/O.NEW.KJAX.RP.S.0005.111011T0726Z-111012T0100Z/
NASSAU-DUVAL-ST JOHNS-FLAGLER-COASTAL GLYNN-COASTAL CAMDEN-
326 AM EDT TUE OCT 11 2011

...HIGH SURF ADVISORY IN EFFECT UNTIL 9 PM EDT THIS EVENING...
...HIGH RIP CURRENT RISK IN EFFECT THROUGH THIS EVENING...

THE NATIONAL WEATHER SERVICE IN JACKSONVILLE HAS ISSUED A HIGH
SURF ADVISORY...WHICH IS IN EFFECT UNTIL 9 PM EDT THIS EVENING. 

* TIMING...RIP CURRENTS WILL CONTINUE TO BE STRONG AND SURF
  HEIGHTS WILL CONTINUE TO BE HIGH TODAY. SURF HEIGHTS ARE
  EXPECTED TO BE HIGHEST EARLY THIS MORNING...THEN WILL GRADUALLY
  DECREASE THROUGH THE DAY. 

* IMPACTS...THE SURF WILL REMAIN DANGEROUS FOR ANY SWIMMER OR
  SURFER TO ENTER DUE TO POWERFUL RIP CURRENTS AND LARGE BREAKERS.
  BREAKERS WILL BE 5 TO 8 FEET THROUGH LATE MORNING...THEN ARE
  EXPECTED TO DECREASE IN HEIGHT TO 4 TO 7 FEET THROUGH THIS
  EVENING. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A HIGH SURF ADVISORY MEANS THAT HIGH SURF WILL AFFECT BEACHES IN
THE ADVISORY AREA...PRODUCING RIP CURRENTS AND LOCALIZED BEACH
EROSION.

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.

&&

$$

ENYEDI

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
746 
WHUS42 KJAX 111832 AAA
CFWJAX

COASTAL HAZARD MESSAGE...UPDATED
NATIONAL WEATHER SERVICE JACKSONVILLE FL
232 PM EDT TUE OCT 11 2011

FLZ024-025-033-038-GAZ154-166-111945-
/O.CAN.KJAX.SU.Y.0004.000000T0000Z-111012T0100Z/
/O.CAN.KJAX.RP.S.0005.000000T0000Z-111012T0100Z/
NASSAU-DUVAL-ST JOHNS-FLAGLER-COASTAL GLYNN-COASTAL CAMDEN-
232 PM EDT TUE OCT 11 2011

...HIGH SURF ADVISORY IS CANCELLED...
...HIGH RIP CURRENT RISK IS CANCELLED...

THE NATIONAL WEATHER SERVICE IN JACKSONVILLE HAS CANCELLED THE
HIGH SURF ADVISORY. 

SWELLS OVER THE ATLANTIC COASTAL WATERS CONTINUE TO SLOWLY DECREASE
AND EXPECT BREAKERS ALONG THE LOCAL BEACHES TO AVERAGE 4 TO 6 FEET
THE REMAINDER OF THE DAY. THE RIP CURRENT RISK WILL REMAIN ELEVATED
IN THE MODERATE RANGE THROUGH TONIGHT AS WELL.

$$

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

The office that day

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

IssuedProductOfficeCountiesLasted
Oct 10, 8:02 PM EDTSpecial Weather StatementJAXSaint Johns43 min
Oct 10, 8:18 PM EDTSpecial Weather StatementJAXFlagler42 min
Oct 10, 10:21 PM EDTAreal Flood AdvisoryJAXColumbia, Hamilton114 min
Oct 11, 3:26 AM EDTHigh Surf AdvisoryJAXFlagler, Nassau11 hr
Oct 10, 9:43 PM EDTAreal Flood WarningJAXAtkinson, Clinch, Ware2 hr
Oct 10, 9:47 PM EDTAreal Flood AdvisoryJAXClinch118 min
Oct 10, 10:52 PM EDTFlood WatchJAXAtkinson, Clinch, Coffee, Echols4 hr
Oct 10, 11:53 PM EDTAreal Flood AdvisoryJAXClinch112 min
Oct 11, 3:17 PM EDTSpecial Weather StatementJAXPierce58 min
Oct 11, 6:15 PM EDTSpecial Weather StatementJAXBrantley, Wayne45 min
Oct 11, 6:55 PM EDTSpecial Weather StatementJAXBrantley, Wayne65 min

Nearby

Rip Current Statements in Florida, 2011Rip Current Statements in Georgia, 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; radar from the NEXRAD Level II archive.