Alert archive / Florida / Rip Current Statements in 2021

Rip Current Statement 30, NWS Jacksonville, FL

December 19, 2021Duval County, Flagler County, Nassau County, Florida; Camden County, Glynn County, Georgia

NWS Jacksonville, FL issued this rip current statement at Dec 19, 2021, 1:34 PM EST for Duval County, Flagler County, Nassau County, Florida; Camden County, Glynn County, Georgia. It took effect at Dec 20, 2021, 1:00 AM EST. It was in force for 48 hr.

The area

The counties it named.

The facts

Issued
Dec 19, 2021, 1:34 PM EST (18:34 UTC)
In effect from
Dec 20, 2021, 1:00 AM EST
Expired
Dec 22, 2021, 1:08 AM EST
In force
48 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 18:33 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, 6.6 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 12:00Z on 2021-12-19Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 736 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 12:00Z on 2021-12-19The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 171 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
736 J/kg
Mixed-layer CIN
-42 J/kg
Mixed-layer LCL
700 m above ground
0-6 km bulk shear
39 kt
0-1 km storm-relative helicity
171 m²/s²
0-3 km storm-relative helicity
163 m²/s²
Significant tornado parameter
0.0
Supercell composite
1.6

Open this sounding in Storm Lab

The text

As transmitted.

357 
WHUS42 KJAX 191834
CFWJAX

Coastal Hazard Message
National Weather Service Jacksonville FL
134 PM EST Sun Dec 19 2021

FLZ124-125-133-138-GAZ154-166-200900-
/O.NEW.KJAX.RP.S.0030.211220T0600Z-211221T0600Z/
Coastal Nassau-Coastal Duval-Coastal St. Johns-Coastal Flagler-
Coastal Glynn-Coastal Camden-
134 PM EST Sun Dec 19 2021

...HIGH RIP CURRENT RISK IN EFFECT FROM 1 AM EST MONDAY THROUGH
LATE MONDAY NIGHT...

* WHAT...Dangerous rip currents expected.

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

* WHEN...From 1 AM EST Monday through late Monday night.

* 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.

&&

$$
5 follow-up statements
389 
WHUS42 KJAX 200634
CFWJAX

Coastal Hazard Message
National Weather Service Jacksonville FL
134 AM EST Mon Dec 20 2021

FLZ124-125-133-138-GAZ154-166-202100-
/O.EXT.KJAX.RP.S.0030.000000T0000Z-211222T0900Z/
Coastal Nassau-Coastal Duval-Coastal St. Johns-Coastal Flagler-
Coastal Glynn-Coastal Camden-
134 AM EST Mon Dec 20 2021

...HIGH RIP CURRENT RISK NOW IN EFFECT THROUGH LATE TUESDAY
NIGHT...

* WHAT...Dangerous rip currents and rough surf of 4 to 6 feet.

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

* WHEN...Through late Tuesday night.

* 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.

&&

$$
488 
WHUS42 KJAX 201856
CFWJAX

Coastal Hazard Message
National Weather Service Jacksonville FL
156 PM EST Mon Dec 20 2021

FLZ124-125-133-138-GAZ154-166-210900-
/O.CON.KJAX.RP.S.0030.000000T0000Z-211222T0900Z/
Coastal Nassau-Coastal Duval-Coastal St. Johns-Coastal Flagler-
Coastal Glynn-Coastal Camden-
156 PM EST Mon Dec 20 2021

...HIGH RIP CURRENT RISK REMAINS IN EFFECT THROUGH LATE TUESDAY
NIGHT...

* WHAT...Dangerous rip currents.

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

* WHEN...Through late Tuesday night.

* 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.

&&

$$
704 
WHUS42 KJAX 210616
CFWJAX

Coastal Hazard Message
National Weather Service Jacksonville FL
116 AM EST Tue Dec 21 2021

FLZ124-125-133-138-GAZ154-166-212100-
/O.CON.KJAX.RP.S.0030.000000T0000Z-211222T0900Z/
Coastal Nassau-Coastal Duval-Coastal St. Johns-Coastal Flagler-
Coastal Glynn-Coastal Camden-
116 AM EST Tue Dec 21 2021

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

* WHAT...Dangerous rip currents and rough surf of 4 to 6 feet.

* 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.

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.

&&

$$
862 
WHUS42 KJAX 211933
CFWJAX

Coastal Hazard Message
National Weather Service Jacksonville FL
233 PM EST Tue Dec 21 2021

FLZ124-125-133-138-GAZ154-166-220900-
/O.CON.KJAX.RP.S.0030.000000T0000Z-211222T0900Z/
Coastal Nassau-Coastal Duval-Coastal St. Johns-Coastal Flagler-
Coastal Glynn-Coastal Camden-
233 PM EST Tue Dec 21 2021

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

* WHAT...Dangerous rip currents.

* 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.

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.

&&

$$
376 
WHUS42 KJAX 220608
CFWJAX

Coastal Hazard Message
National Weather Service Jacksonville FL
108 AM EST Wed Dec 22 2021

FLZ124-125-133-138-GAZ154-166-220715-
/O.CAN.KJAX.RP.S.0030.000000T0000Z-211222T0900Z/
Coastal Nassau-Coastal Duval-Coastal St. Johns-Coastal Flagler-
Coastal Glynn-Coastal Camden-
108 AM EST Wed Dec 22 2021

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

$$

The office that day

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

IssuedProductOfficeCountiesLasted
Dec 19, 1:59 AM ESTSmall Craft AdvisoryJAX3 days
Dec 19, 2:40 AM ESTSpecial Weather StatementJAXCoffee, Jeff Davis50 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.