Alert archive / Florida / Rip Current Statements in 2012

Rip Current Statement 19, NWS Jacksonville, FL

September 25, 2012Flagler County, Nassau County, Florida

NWS Jacksonville, FL issued this rip current statement at Sep 25, 2012, 6:31 AM EDT for Flagler County, Nassau County, Florida. It was in force for 14 hr.

The area

The counties it named.

The facts

Issued: Sep 25, 2012, 6:31 AM EDT (10:31 UTC)
Expired: Sep 25, 2012, 9:00 PM EDT
In force: 14 hr
Issued by: NWS Jacksonville, FL

Counties Flagler County, FL, Nassau County, FL

The radar

The Jacksonville radar (KJAX), 52 km from the middle of the area, began a volume at 10:35 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, 10.5 hours before the alert went out and 54 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-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

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: 1595 m above ground
0-6 km bulk shear: 22 kt
0-1 km storm-relative helicity: -46 m²/s²
0-3 km storm-relative helicity: 13 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.

251 
WHUS42 KJAX 251031
CFWJAX

COASTAL HAZARD MESSAGE
NATIONAL WEATHER SERVICE JACKSONVILLE FL
631 AM EDT TUE SEP 25 2012

FLZ024-025-033-038-260100-
/O.NEW.KJAX.RP.S.0019.120925T1031Z-120926T0100Z/
NASSAU-DUVAL-ST JOHNS-FLAGLER-
631 AM EDT TUE SEP 25 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...SURF CONDITIONS WILL BE ROUGH WITH RIP CURRENT
  FREQUENCY AND STRENGTH INCREASING THROUGH THE LATE MORNING AND
  AFTERNOON. 

* IMPACTS...RIP CURRENTS WILL BE LIFE-THREATENING TO SWIMMERS.
  MODERATE SIZE BREAKERS CAN KNOCK YOU DOWN AND MAKE YOU
  SUSCEPTIBLE TO RIP CURRENTS. STAY OUT OF THE WATER UNTIL
  CONDITIONS IMPROVE.

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. 

&&

$$

1 follow-up statement

983 
WHUS42 KJAX 260101
CFWJAX

COASTAL HAZARD MESSAGE
NATIONAL WEATHER SERVICE JACKSONVILLE FL
901 PM EDT TUE SEP 25 2012

FLZ024-025-033-038-260215-
/O.EXP.KJAX.RP.S.0019.000000T0000Z-120926T0100Z/
NASSAU-DUVAL-ST JOHNS-FLAGLER-
901 PM EDT TUE SEP 25 2012

...HIGH RIP CURRENT RISK HAS EXPIRED...

$$

Nearby

Rip Current Statements in Florida, 2012 Every 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.