Alert archive / Florida / Rip Current Statements in 2023

Rip Current Statement 30, NWS Jacksonville, FL

September 6, 2023Duval County, Flagler County, Nassau County, Florida

NWS Jacksonville, FL issued this rip current statement at Sep 6, 2023, 8:21 AM EDT for Duval County, Flagler County, Nassau County, Florida. It was in force for 16 hr.

The area

The counties it named.

The facts

Issued
Sep 6, 2023, 8:21 AM EDT (12:21 UTC)
Expired
Sep 7, 2023, 12:45 AM EDT
In force
16 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 12:24 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 12:00Z, 0.4 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-pSkew-T log-p diagram, Jacksonville, FL at 12:00Z on 2023-09-06Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 451 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Jacksonville, FL at 12:00Z on 2023-09-06The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 27 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
451 J/kg
Mixed-layer CIN
-181 J/kg
Mixed-layer LCL
1006 m above ground
0-6 km bulk shear
15 kt
0-1 km storm-relative helicity
27 m²/s²
0-3 km storm-relative helicity
45 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

144 
WHUS42 KJAX 061221
CFWJAX

Coastal Hazard Message
National Weather Service Jacksonville FL
821 AM EDT Wed Sep 6 2023

FLZ124-125-133-138-070800-
/O.NEW.KJAX.RP.S.0030.230906T1221Z-230907T0800Z/
Coastal Nassau-Coastal Duval-Coastal St. Johns-Coastal Flagler-
821 AM EDT Wed Sep 6 2023

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

* WHAT...Dangerous rip currents.

* WHERE...Northeast Florida Beaches.

* WHEN...Through late tonight.

* IMPACTS...Rip currents can sweep even the best swimmers away 
  from shore into deeper water.


PRECAUTIONARY/PREPAREDNESS ACTIONS...

Swim near a lifeguard. If caught in a rip current, relax and
float. Don't swim against the current. If able, swim in a
direction following the shoreline. If unable to escape, face the
shore and call or wave for help.

&&

$$
1 follow-up statement
128 
WHUS42 KJAX 070445
CFWJAX

Coastal Hazard Message
National Weather Service Jacksonville FL
1245 AM EDT Thu Sep 7 2023

FLZ124-125-133-138-070545-
/O.CAN.KJAX.RP.S.0030.000000T0000Z-230907T0800Z/
Coastal Nassau-Coastal Duval-Coastal St. Johns-Coastal Flagler-
1245 AM EDT Thu Sep 7 2023

...HIGH RIP CURRENT RISK IS CANCELLED...

Moderate risk of rip currents are expected today.

$$

Nearby

Rip Current Statements in Florida, 2023Every rip current statement in 2023

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.