Alert archive / Florida / Rip Current Statements in 2023

Rip Current Statement 15, NWS Jacksonville, FL

April 23, 2023Duval County, Flagler County, Nassau County, Florida

NWS Jacksonville, FL issued this rip current statement at Apr 23, 2023, 9:15 AM EDT for Duval County, Flagler County, Nassau County, Florida. It was in force for 11 hr.

The area

The counties it named.

The facts

Issued
Apr 23, 2023, 9:15 AM EDT (13:15 UTC)
Expired
Apr 23, 2023, 8:00 PM EDT
In force
11 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 13:19 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, 1.3 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 2023-04-23Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCL10008507005003002001001 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 12:00Z on 2023-04-23The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -130 square meters per square second.193958Sfc1 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
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
2204 m above ground
0-6 km bulk shear
40 kt
0-1 km storm-relative helicity
-130 m²/s²
0-3 km storm-relative helicity
62 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

864 
WHUS42 KJAX 231315
CFWJAX

Coastal Hazard Message
National Weather Service Jacksonville FL
915 AM EDT Sun Apr 23 2023

FLZ124-125-133-138-240000-
/O.NEW.KJAX.RP.S.0015.230423T1315Z-230424T0000Z/
Coastal Nassau-Coastal Duval-Coastal St. Johns-Coastal Flagler-
915 AM EDT Sun Apr 23 2023

...HIGH RIP CURRENT RISK IN EFFECT UNTIL 8 PM EDT THIS EVENING...

* WHAT...Dangerous rip currents.

* WHERE...Northeast Florida Beaches.

* WHEN...Until 8 PM EDT this evening.

* 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
209 
WHUS42 KJAX 240014
CFWJAX

Coastal Hazard Message
National Weather Service Jacksonville FL
814 PM EDT Sun Apr 23 2023

FLZ124-125-133-138-240115-
/O.EXP.KJAX.RP.S.0015.000000T0000Z-230424T0000Z/
Coastal Nassau-Coastal Duval-Coastal St. Johns-Coastal Flagler-
814 PM EDT Sun Apr 23 2023

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

$$

The office that day

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

IssuedProductOfficeCountiesLasted
Apr 22, 8:06 PM EDTSpecial Weather StatementJAXFlagler24 min
Apr 22, 8:35 PM EDTSpecial Weather StatementJAXFlagler25 min
Apr 22, 9:02 PM EDTSpecial Weather StatementJAXFlagler28 min
Apr 22, 9:30 PM EDTSpecial Weather StatementJAXFlagler15 min

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.