Alert archive / Florida / Rip Current Statements in 2012

Rip Current Statement 11, NWS Jacksonville, FL

August 5, 2012Flagler County, Nassau County, Florida; Camden County, Glynn County, Georgia

NWS Jacksonville, FL issued this rip current statement at Aug 5, 2012, 3:25 AM EDT for Flagler County, Nassau County, Florida; Camden County, Glynn County, Georgia. It was in force for 18 hr.

The area

The counties it named.

The facts

Issued
Aug 5, 2012, 3:25 AM EDT (07:25 UTC)
Expired
Aug 5, 2012, 9:00 PM EDT
In force
18 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 07:28 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, 7.4 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 2012-08-05Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 922 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 2012-08-05The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 115 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
922 J/kg
Mixed-layer CIN
0 J/kg
Mixed-layer LCL
443 m above ground
0-6 km bulk shear
11 kt
0-1 km storm-relative helicity
115 m²/s²
0-3 km storm-relative helicity
118 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.

128 
WHUS42 KJAX 050725
CFWJAX

COASTAL HAZARD MESSAGE
NATIONAL WEATHER SERVICE JACKSONVILLE FL
325 AM EDT SUN AUG 5 2012

FLZ024-025-033-038-GAZ154-166-060100-
/O.NEW.KJAX.RP.S.0011.120805T0725Z-120806T0100Z/
NASSAU-DUVAL-ST JOHNS-FLAGLER-COASTAL GLYNN-COASTAL CAMDEN-
325 AM EDT SUN AUG 5 2012

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

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

* TIMING...INCREASED ONSHORE FLOW AND SURF WILL PRODUCE DANGEROUS
  RIP CURRENTS TODAY. 

* IMPACTS...DANGEROUS SWIMMING CONDITIONS WILL EXIST TODAY ALONG
  THE ATLANTIC COAST DUE TO INCREASED RIP CURRENT ACTIVITY. 

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.

&&

$$

ENYEDI

The office that day

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

IssuedProductOfficeCountiesLasted
Aug 5, 2:53 AM EDTSmall Craft AdvisoryJAX12 hr
Aug 5, 3:43 AM EDTSpecial Weather StatementJAXDuval47 min
Aug 5, 5:13 AM EDTSpecial Marine WarningJAX92 min
Aug 5, 5:41 AM EDTSpecial Marine WarningJAX94 min
Aug 5, 5:45 AM EDTSpecial Weather StatementJAXSaint Johns45 min
Aug 5, 6:33 AM EDTSpecial Weather StatementJAXSaint Johns42 min
Aug 5, 6:39 AM EDTSpecial Marine WarningJAX96 min
Aug 5, 7:18 AM EDTSpecial Weather StatementJAXDuval, Saint Johns57 min
Aug 5, 7:21 AM EDTSpecial Marine WarningJAX114 min
Aug 5, 7:52 AM EDTAreal Flood WarningJAXDuval, Nassau, Saint Johns6 hr
Aug 5, 8:17 AM EDTSpecial Weather StatementJAXDuval58 min
Aug 5, 3:06 PM EDTSpecial Weather StatementJAXAlachua24 min
Aug 5, 3:56 PM EDTSpecial Weather StatementJAXMarion34 min
Aug 5, 6:23 PM EDTSpecial Weather StatementJAXPutnam37 min
Aug 5, 6:55 PM EDTSpecial Weather StatementJAXPutnam25 min
Aug 5, 5:43 AM EDTSpecial Weather StatementJAXCamden, Glynn47 min
Aug 5, 10:27 AM EDTSpecial Weather StatementJAXWare63 min

Nearby

Rip Current Statements in Florida, 2012Rip Current Statements in Georgia, 2012Every rip current statement in 2012

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.