Alert archive / Florida / Rip Current Statements in 2016

Rip Current Statement 12, NWS Jacksonville, FL

September 17, 2016Duval County, Flagler County, Nassau County, Florida

NWS Jacksonville, FL issued this rip current statement at Sep 17, 2016, 3:09 AM EDT for Duval County, Flagler County, Nassau County, Florida. It took effect at Sep 17, 2016, 8:00 AM EDT. It was in force for 12 hr.

The area

The counties it named.

The facts

Issued: Sep 17, 2016, 3:09 AM EDT (07:09 UTC)
In effect from: Sep 17, 2016, 8:00 AM EDT
Expired: Sep 17, 2016, 8:00 PM EDT
In force: 12 hr
Issued by: NWS Jacksonville, FL

Counties Duval County, FL, Flagler County, FL, Nassau County, FL

The radar

The Jacksonville radar (KJAX), 40 km from the middle of the area, began a volume at 07:12 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, 7.2 hours before the alert went out and 42 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: 564 J/kg
Mixed-layer CIN: -8 J/kg
Mixed-layer LCL: 644 m above ground
0-6 km bulk shear: 13 kt
0-1 km storm-relative helicity: -36 m²/s²
0-3 km storm-relative helicity: 27 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

Open this sounding in Storm Lab

The text

As transmitted.

777 
WHUS42 KJAX 170709
CFWJAX

COASTAL HAZARD MESSAGE
NATIONAL WEATHER SERVICE JACKSONVILLE FL
309 AM EDT SAT SEP 17 2016


FLZ033-038-124-125-180000-
/O.NEW.KJAX.RP.S.0012.160917T1200Z-160918T0000Z/
ST. JOHNS-FLAGLER-COASTAL NASSAU-COASTAL DUVAL-
309 AM EDT SAT SEP 17 2016

...HIGH RIP CURRENT RISK IN EFFECT FROM 8 AM EDT THIS MORNING
THROUGH THIS EVENING...

THE NATIONAL WEATHER SERVICE IN JACKSONVILLE HAS ISSUED A HIGH
RIP CURRENT RISK...WHICH IS IN EFFECT FROM 8 AM EDT THIS MORNING
THROUGH THIS EVENING. 

* TIMING...THROUGH THIS EVENING.

* IMPACTS...LIFE THREATENING RIP CURRENTS ARE LIKELY IN THE SURF
  ZONE. ROUGH SURF MAY ALSO KNOCK YOU DOWN. REMEMBER TO HEED THE
  ADVICE OF THE LOCAL BEACH PATROL AND FLAG WARNING SYSTEMS.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

THERE IS A HIGH RISK OF RIP CURRENTS.

RIP CURRENTS WILL BE LIFE THREATENING.

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.

SWIM NEAR A LIFEGUARD. IF CAUGHT IN A RIP CURRENT REMAIN CALM.
DON'T FIGHT THE CURRENT. SWIM IN A DIRECTION FOLLOWING THE
SHORELINE. IF UNABLE TO ESCAPE, FACE THE SHORE AND CALL OR WAVE
FOR HELP. IF TIRED, FLOAT OR TREAD WATER UNTIL OUT OF THE RIP
CURRENT.

&&

$$

1 follow-up statement

485 
WHUS42 KJAX 180002
CFWJAX

COASTAL HAZARD MESSAGE
NATIONAL WEATHER SERVICE JACKSONVILLE FL
802 PM EDT SAT SEP 17 2016


FLZ033-038-124-125-180115-
/O.EXP.KJAX.RP.S.0012.000000T0000Z-160918T0000Z/
ST. JOHNS-FLAGLER-COASTAL NASSAU-COASTAL DUVAL-
802 PM EDT SAT SEP 17 2016

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

A MODERATE RISK OF RIP CURRENTS IS STILL EXPECTED THROUGH THE
WEEKEND.

&&

$$

Nearby

Rip Current Statements in Florida, 2016 Every 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.