Alert archive / Florida / Rip Current Statements in 2010

Rip Current Statement 8, NWS Jacksonville, FL

October 2, 2010Flagler County, Nassau County, Florida

NWS Jacksonville, FL issued this rip current statement at Oct 2, 2010, 5:40 AM EDT for Flagler County, Nassau County, Florida. It was in force for 15 hr.

The area

The counties it named.

The facts

Issued: Oct 2, 2010, 5:40 AM EDT (09:40 UTC)
Expired: Oct 2, 2010, 9:00 PM EDT
In force: 15 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 09:40 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, 9.7 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: 23 J/kg
Mixed-layer CIN: -33 J/kg
Mixed-layer LCL: 1123 m above ground
0-6 km bulk shear: 17 kt
0-1 km storm-relative helicity: -41 m²/s²
0-3 km storm-relative helicity: -39 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.

427 
WHUS42 KJAX 020940
CFWJAX

COASTAL HAZARD MESSAGE
NATIONAL WEATHER SERVICE JACKSONVILLE FL
540 AM EDT SAT OCT 2 2010

FLZ024-025-033-038-030100-
/O.NEW.KJAX.RP.S.0008.101002T0940Z-101003T0100Z/
NASSAU-DUVAL-ST JOHNS-FLAGLER-
540 AM EDT SAT OCT 2 2010

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

INCREASING NORTH TO NORTHEAST WINDS COMBINED WITH BUILDING WIND
WAVES AND LONG PERIOD EASTERLY SWELLS WILL RESULT IN A HEIGHTENED
RISK OF DANGEROUS RIP CURRENTS.

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

&&

$$

The office that day

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

Issued	Product	Office	Counties	Lasted
Oct 2, 4:30 AM EDT	Fire Weather Watch	JAX	Baker, Bradford, Gilchrist, Suwannee, Union	24 hr

Nearby

Rip Current Statements in Florida, 2010 Every rip current statement in 2010

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.