Alert archive / Florida / Rip Current Statements in 2021

Rip Current Statement 2, NWS Jacksonville, FL

February 21, 2021Duval County, Flagler County, Nassau County, Florida; Camden County, Glynn County, Georgia

NWS Jacksonville, FL issued this rip current statement at Feb 21, 2021, 3:14 AM EST for Duval County, Flagler County, Nassau County, Florida; Camden County, Glynn County, Georgia. It took effect at Feb 21, 2021, 8:00 AM EST. It was in force for 10 hr.

The area

The counties it named.

The facts

Issued
Feb 21, 2021, 3:14 AM EST (08:14 UTC)
In effect from
Feb 21, 2021, 8:00 AM EST
Expired
Feb 21, 2021, 5:48 PM EST
In force
10 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 08:19 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 00:00Z, 8.2 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 2021-02-21Temperature 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 2021-02-21The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -29 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
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
1119 m above ground
0-6 km bulk shear
51 kt
0-1 km storm-relative helicity
-29 m²/s²
0-3 km storm-relative helicity
-11 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

096 
WHUS42 KJAX 210814
CFWJAX

Coastal Hazard Message
National Weather Service Jacksonville FL
314 AM EST Sun Feb 21 2021

FLZ124-125-133-138-GAZ154-166-212200-
/O.NEW.KJAX.RP.S.0002.210221T1300Z-210222T0600Z/
Coastal Nassau-Coastal Duval-Coastal St. Johns-Coastal Flagler-
Coastal Glynn-Coastal Camden-
314 AM EST Sun Feb 21 2021

...HIGH RIP CURRENT RISK IN EFFECT FROM 8 AM EST THIS MORNING
THROUGH LATE TONIGHT...

* WHAT...Dangerous rip currents expected.

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

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

&&

$$
1 follow-up statement
498 
WHUS42 KJAX 212248
CFWJAX

Coastal Hazard Message
National Weather Service Jacksonville FL
548 PM EST Sun Feb 21 2021

FLZ124-125-133-138-GAZ154-166-220000-
/O.CAN.KJAX.RP.S.0002.000000T0000Z-210222T0600Z/
Coastal Nassau-Coastal Duval-Coastal St. Johns-Coastal Flagler-
Coastal Glynn-Coastal Camden-
548 PM EST Sun Feb 21 2021

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

$$

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.