Alert archive / Florida / Rip Current Statements in 2021

Rip Current Statement 19, NWS Jacksonville, FL

July 25, 2021Duval County, Flagler County, Nassau County, Florida

NWS Jacksonville, FL issued this rip current statement at Jul 25, 2021, 2:50 AM EDT for Duval County, Flagler County, Nassau County, Florida. It took effect at Jul 25, 2021, 8:00 AM EDT. It was in force for 19 hr.

The area

The counties it named.

The facts

Issued
Jul 25, 2021, 2:50 AM EDT (06:50 UTC)
In effect from
Jul 25, 2021, 8:00 AM EDT
Expired
Jul 26, 2021, 2:59 AM EDT
In force
19 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 06:54 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, 6.8 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 2021-07-25Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 627 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 2021-07-25The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 26 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
627 J/kg
Mixed-layer CIN
-5 J/kg
Mixed-layer LCL
916 m above ground
0-6 km bulk shear
16 kt
0-1 km storm-relative helicity
26 m²/s²
0-3 km storm-relative helicity
23 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

851 
WHUS42 KJAX 250650
CFWJAX

Coastal Hazard Message
National Weather Service Jacksonville FL
250 AM EDT Sun Jul 25 2021

FLZ124-125-133-138-252300-
/O.NEW.KJAX.RP.S.0019.210725T1200Z-210725T2300Z/
Coastal Nassau-Coastal Duval-Coastal St. Johns-Coastal Flagler-
250 AM EDT Sun Jul 25 2021

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

* WHAT...Dangerous rip currents expected.

* WHERE...Northeast Florida Beaches.

* WHEN...From 8 AM EDT this morning 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.

&&

$$
2 follow-up statements
128 
WHUS42 KJAX 251835
CFWJAX

Coastal Hazard Message
National Weather Service Jacksonville FL
235 PM EDT Sun Jul 25 2021

FLZ124-125-133-138-260800-
/O.EXT.KJAX.RP.S.0019.000000T0000Z-210726T0800Z/
Coastal Nassau-Coastal Duval-Coastal St. Johns-Coastal Flagler-
235 PM EDT Sun Jul 25 2021

...HIGH RIP CURRENT RISK NOW 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.

&&

$$
600 
WHUS42 KJAX 260659
CFWJAX

Coastal Hazard Message
National Weather Service Jacksonville FL
259 AM EDT Mon Jul 26 2021

FLZ124-125-133-138-260800-
/O.CAN.KJAX.RP.S.0019.000000T0000Z-210726T0800Z/
Coastal Nassau-Coastal Duval-Coastal St. Johns-Coastal Flagler-
259 AM EDT Mon Jul 26 2021

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


$$

Nearby

Rip Current Statements in Florida, 2021Every rip current statement in 2021

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.