Alert archive / Florida / Rip Current Statements in 2021

Rip Current Statement 20, NWS Jacksonville, FL

August 16, 2021Camden County, Glynn County, Georgia; Duval County, Flagler County, Nassau County, Florida

NWS Jacksonville, FL issued this rip current statement at Aug 16, 2021, 3:35 AM EDT for Camden County, Glynn County, Georgia; Duval County, Flagler County, Nassau County, Florida. It took effect at Aug 16, 2021, 6:00 AM EDT. It was in force for 38 hr.

The area

The counties it named.

The facts

Issued
Aug 16, 2021, 3:35 AM EDT (07:35 UTC)
In effect from
Aug 16, 2021, 6:00 AM EDT
Expired
Aug 17, 2021, 7:59 PM EDT
In force
38 hr
Issued by
NWS Jacksonville, FL

Counties Duval County, FL, Flagler County, FL, Nassau County, FL, Camden County, GA, Glynn County, GA

The radar

The Jacksonville radar (KJAX), 13 km from the middle of the area, began a volume at 07:39 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, 7.6 hours before the alert went out and 13 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 2021-08-16Temperature 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 00:00Z on 2021-08-16The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 36 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
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
1616 m above ground
0-6 km bulk shear
15 kt
0-1 km storm-relative helicity
36 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.

120 
WHUS42 KJAX 160735
CFWJAX

Coastal Hazard Message
National Weather Service Jacksonville FL
335 AM EDT Mon Aug 16 2021

FLZ124-125-133-138-GAZ154-166-171000-
/O.NEW.KJAX.RP.S.0020.210816T1000Z-210817T1000Z/
Coastal Nassau-Coastal Duval-Coastal St. Johns-Coastal Flagler-
Coastal Glynn-Coastal Camden-
335 AM EDT Mon Aug 16 2021

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

* WHAT...Dangerous rip currents expected.

* WHERE...Southeast Georgia and Northeast Florida Beaches.

* WHEN...Through late tonight.

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

* ADDITIONAL DETAILS...Rough surf with surf heights of up to 3 to
  4 feet expected.

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
281 
WHUS42 KJAX 161946
CFWJAX

Coastal Hazard Message
National Weather Service Jacksonville FL
346 PM EDT Mon Aug 16 2021

FLZ124-125-133-138-GAZ154-166-180000-
/O.EXT.KJAX.RP.S.0020.000000T0000Z-210818T0000Z/
Coastal Nassau-Coastal Duval-Coastal St. Johns-Coastal Flagler-
Coastal Glynn-Coastal Camden-
346 PM EDT Mon Aug 16 2021

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

* WHAT...Dangerous rip currents.

* WHERE...Southeast Georgia and Northeast Florida Beaches.

* WHEN...Through Tuesday 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.

&&

$$
014 
WHUS42 KJAX 172359
CFWJAX

Coastal Hazard Message
National Weather Service Jacksonville FL
759 PM EDT Tue Aug 17 2021

FLZ124-125-133-138-GAZ154-166-180100-
/O.CAN.KJAX.RP.S.0020.000000T0000Z-210818T0000Z/
Coastal Nassau-Coastal Duval-Coastal St. Johns-Coastal Flagler-
Coastal Glynn-Coastal Camden-
759 PM EDT Tue Aug 17 2021

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

$$

The office that day

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

IssuedProductOfficeCountiesLasted
Aug 16, 11:36 AM EDTSpecial Weather StatementJAXWare24 min
Aug 16, 12:41 PM EDTSpecial Weather StatementJAXAtkinson, Coffee49 min
Aug 16, 2:06 PM EDTSpecial Weather StatementJAXCamden, Charlton39 min
Aug 16, 2:45 PM EDTSpecial Weather StatementJAXCharlton45 min
Aug 16, 3:18 PM EDTSpecial Weather StatementJAXBrantley, Clinch, Pierce, Ware42 min
Aug 16, 12:44 PM EDTSpecial Marine WarningJAX31 min
Aug 16, 12:52 PM EDTSpecial Weather StatementJAXDuval23 min
Aug 16, 12:53 PM EDTSpecial Marine WarningJAX37 min
Aug 16, 1:23 PM EDTSpecial Weather StatementJAXDuval37 min
Aug 16, 1:41 PM EDTSpecial Weather StatementJAXNassau49 min
Aug 16, 1:51 PM EDTSpecial Marine WarningJAX54 min
Aug 16, 2:26 PM EDTSpecial Marine WarningJAX49 min
Aug 16, 3:06 PM EDTSpecial Weather StatementJAXPutnam, Saint Johns39 min
Aug 16, 3:10 PM EDTSpecial Marine WarningJAX54 min
Aug 16, 3:39 PM EDTSpecial Weather StatementJAXNassau51 min
Aug 16, 4:02 PM EDTSpecial Weather StatementJAXClay43 min
Aug 16, 4:53 PM EDTSpecial Weather StatementJAXHamilton52 min
Aug 16, 5:01 PM EDTSpecial Weather StatementJAXHamilton29 min
Aug 16, 5:27 PM EDTSpecial Weather StatementJAXMarion48 min
Aug 16, 6:10 PM EDTSpecial Weather StatementJAXMarion50 min

Nearby

Rip Current Statements in Florida, 2021Rip Current Statements in Georgia, 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.