Alert archive / Florida / Rip Current Statements in 2023

Rip Current Statement 11, NWS Jacksonville, FL

March 29, 2023Duval County, Flagler County, Nassau County, Florida

NWS Jacksonville, FL issued this rip current statement at Mar 29, 2023, 1:55 AM EDT for Duval County, Flagler County, Nassau County, Florida. It took effect at Mar 29, 2023, 4:00 AM EDT. It was in force for 64 hr.

The area

The counties it named.

The facts

Issued
Mar 29, 2023, 1:55 AM EDT (05:55 UTC)
In effect from
Mar 29, 2023, 4:00 AM EDT
Expired
Mar 31, 2023, 7:32 PM EDT
In force
64 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 05:57 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, 5.9 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 00:00Z on 2023-03-29Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 150 joules per kilogram.LCLLFCEL10008507005003002001001 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 00:00Z on 2023-03-29The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -168 square meters per square second.1939587897Sfc1 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
150 J/kg
Mixed-layer CIN
-59 J/kg
Mixed-layer LCL
668 m above ground
0-6 km bulk shear
37 kt
0-1 km storm-relative helicity
-168 m²/s²
0-3 km storm-relative helicity
-50 m²/s²
Significant tornado parameter
-0.1
Supercell composite
-3.2

Open this sounding in Storm Lab

The text

As transmitted.

001 
WHUS42 KJAX 290555
CFWJAX

Coastal Hazard Message
National Weather Service Jacksonville FL
155 AM EDT Wed Mar 29 2023

FLZ124-125-133-138-300900-
/O.NEW.KJAX.RP.S.0011.230329T0800Z-230331T0000Z/
Coastal Nassau-Coastal Duval-Coastal St. Johns-Coastal Flagler-
155 AM EDT Wed Mar 29 2023

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

* WHAT...Dangerous rip currents expected.

* WHERE...Northeast Florida Beaches.

* WHEN...Through Thursday 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.

&&

$$
3 follow-up statements
755 
WHUS42 KJAX 300611
CFWJAX

Coastal Hazard Message
National Weather Service Jacksonville FL
211 AM EDT Thu Mar 30 2023

FLZ124-125-133-138-310900-
/O.EXT.KJAX.RP.S.0011.000000T0000Z-230401T0000Z/
Coastal Nassau-Coastal Duval-Coastal St. Johns-Coastal Flagler-
211 AM EDT Thu Mar 30 2023

...HIGH RIP CURRENT RISK NOW IN EFFECT THROUGH FRIDAY EVENING...

* WHAT...Dangerous rip currents.

* WHERE...Northeast Florida Beaches.

* WHEN...Through Friday 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.

&&

$$
085 
WHUS42 KJAX 310651
CFWJAX

Coastal Hazard Message
National Weather Service Jacksonville FL
251 AM EDT Fri Mar 31 2023

FLZ124-125-133-138-010300-
/O.EXT.KJAX.RP.S.0011.000000T0000Z-230401T0300Z/
Coastal Nassau-Coastal Duval-Coastal St. Johns-Coastal Flagler-
251 AM EDT Fri Mar 31 2023

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

* WHAT...Dangerous rip currents.

* WHERE...Northeast Florida Beaches.

* WHEN...Through 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.

&&

$$
492 
WHUS42 KJAX 312332
CFWJAX

Coastal Hazard Message
National Weather Service Jacksonville FL
732 PM EDT Fri Mar 31 2023

FLZ124-125-133-138-010045-
/O.CAN.KJAX.RP.S.0011.000000T0000Z-230401T0300Z/
Coastal Nassau-Coastal Duval-Coastal St. Johns-Coastal Flagler-
732 PM EDT Fri Mar 31 2023

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

Moderate risk of rip currents will continue through the weekend.

$$

The office that day

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

IssuedProductOfficeCountiesLasted
Mar 28, 8:14 PM EDTSpecial Weather StatementJAXFlagler31 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.