Alert archive / Florida / Rip Current Statements in 2011

Rip Current Statement 12, NWS Jacksonville, FL

November 18, 2011Flagler County, Nassau County, Florida; Camden County, Glynn County, Georgia

NWS Jacksonville, FL issued this rip current statement at Nov 18, 2011, 2:44 AM EST for Flagler County, Nassau County, Florida; Camden County, Glynn County, Georgia. It was in force for 43 hr.

The area

The counties it named.

The facts

Issued
Nov 18, 2011, 2:44 AM EST (07:44 UTC)
Expired
Nov 19, 2011, 10:00 PM EST
In force
43 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 07:48 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, 7.7 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 2011-11-18Temperature 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 2011-11-18The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -91 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
1668 m above ground
0-6 km bulk shear
36 kt
0-1 km storm-relative helicity
-91 m²/s²
0-3 km storm-relative helicity
7 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.

839 
WHUS42 KJAX 180744
CFWJAX

COASTAL HAZARD MESSAGE
NATIONAL WEATHER SERVICE JACKSONVILLE FL
244 AM EST FRI NOV 18 2011

FLZ024-025-033-038-GAZ154-166-182000-
/O.NEW.KJAX.RP.S.0012.111118T0744Z-111119T1000Z/
NASSAU-DUVAL-ST JOHNS-FLAGLER-COASTAL GLYNN-COASTAL CAMDEN-
244 AM EST FRI NOV 18 2011

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

* TIMING...STRONG ONSHORE FLOW WILL ENHANCE THE RISK OF RIP
  CURRENTS TODAY. ROUGH SURF WILL DEVELOP AT LOCAL BEACHES.
  CONDITIONS WILL IMPROVE ON SATURDAY AS ONSHORE FLOW WEAKENS. 

* IMPACTS...STRONG ONSHORE FLOW WILL INCREASE BREAKERS TO 4 TO 6
  FEET AND THIS WILL MAKE THE SURF ZONE DANGEROUS FOR SWIMMERS.
  MINOR BEACH EROSION WILL BE POSSIBLE NEAR THE TIMES OF HIGH
  TIDE. 

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
3 follow-up statements
071 
WHUS42 KJAX 181911
CFWJAX

COASTAL HAZARD MESSAGE
NATIONAL WEATHER SERVICE JACKSONVILLE FL
211 PM EST FRI NOV 18 2011

FLZ024-025-033-038-GAZ154-166-190400-
/O.CON.KJAX.RP.S.0012.000000T0000Z-111119T1000Z/
NASSAU-DUVAL-ST JOHNS-FLAGLER-COASTAL GLYNN-COASTAL CAMDEN-
211 PM EST FRI NOV 18 2011

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

* TIMING...MODERATE TO STRONG ONSHORE FLOW HAS CREATED VERY ROUGH
  SURF AND WILL ENHANCE THE RISK OF STRONG RIP CURRENTS THROUGH
  TONIGHT. 

* IMPACTS...BREAKERS TO AROUND 4 TO 6 FEET WILL CONTINUE AND THIS
  WILL MAKE THE SURF ZONE VERY DANGEROUS FOR ANY SWIMMER. MINOR
  BEACH EROSION WILL BE POSSIBLE NEAR THE TIMES OF HIGH TIDE.

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. RIP CURRENTS ARE LIFE-THREATENING TO ANYONE
ENTERING THE SURF.

HEED THE ADVICE OF LIFEGUARDS AND THE BEACH PATROL. PAY ATTENTION
TO FLAGS AND POSTED SIGNS.

&&

$$


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
389 
WHUS42 KJAX 190043
CFWJAX

COASTAL HAZARD MESSAGE
NATIONAL WEATHER SERVICE JACKSONVILLE FL
743 PM EST FRI NOV 18 2011

FLZ024-025-033-038-GAZ154-166-191000-
/O.CON.KJAX.RP.S.0012.000000T0000Z-111119T1000Z/
NASSAU-DUVAL-ST JOHNS-FLAGLER-COASTAL GLYNN-COASTAL CAMDEN-
743 PM EST FRI NOV 18 2011

...RIP CURRENT RISK REMAINS IN EFFECT UNTIL 5 AM EST SATURDAY...

* TIMING...MODERATE TO STRONG ONSHORE FLOW HAS CREATED VERY 
  ROUGH SURF AND WILL ENHANCE THE RISK OF STRONG RIP CURRENTS 
  THROUGH TONIGHT. 

* IMPACTS...BREAKERS TO AROUND 4 TO 6 FEET WILL CONTINUE AND 
  THIS WILL MAKE THE SURF ZONE VERY DANGEROUS FOR ANY SWIMMER. 
  MINOR BEACH EROSION WILL BE POSSIBLE NEAR THE TIMES OF HIGH 
  TIDE. 

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. RIP CURRENTS ARE LIFE-THREATENING TO ANYONE
ENTERING THE SURF.

HEED THE ADVICE OF LIFEGUARDS AND THE BEACH PATROL. PAY ATTENTION
TO FLAGS AND POSTED SIGNS.

&&

$$


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
219 
WHUS42 KJAX 190701 AAA
CFWJAX

COASTAL HAZARD MESSAGE...UPDATED
NATIONAL WEATHER SERVICE JACKSONVILLE FL
201 AM EST SAT NOV 19 2011

FLZ024-025-033-038-GAZ154-166-200300-
/O.EXT.KJAX.RP.S.0012.000000T0000Z-111120T0300Z/
NASSAU-DUVAL-ST JOHNS-FLAGLER-COASTAL GLYNN-COASTAL CAMDEN-
201 AM EST SAT NOV 19 2011

...HIGH RIP CURRENT RISK NOW IN EFFECT THROUGH THIS EVENING...

* TIMING...ONSHORE FLOW WILL CONTINUE THE THREAT OF STRONG RIP
  CURRENTS AND ROUGH SURF THROUGH THIS EVENING.

* IMPACTS...BREAKERS TO AROUND 4 TO 6 FEET WILL CONTINUE AND 
  THIS WILL MAKE THE SURF ZONE VERY DANGEROUS FOR ANY SWIMMER. 
  MINOR BEACH EROSION WILL BE POSSIBLE NEAR THE TIMES OF HIGH 
  TIDE. 

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. RIP CURRENTS ARE LIFE-THREATENING TO ANYONE
ENTERING THE SURF.

HEED THE ADVICE OF LIFEGUARDS AND THE BEACH PATROL. PAY ATTENTION
TO FLAGS AND POSTED SIGNS.

&&

$$

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
Nov 17, 11:41 PM ESTLake Wind AdvisoryJAXFlagler, Nassau19 hr
Nov 18, 6:29 AM ESTWind AdvisoryJAXFlagler, Nassau12 hr

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.