Alert archive / Florida / Rip Current Statements in 2021

Rip Current Statement 21, NWS Jacksonville, FL

August 27, 2021Duval County, Flagler County, Nassau County, Florida; Camden County, Glynn County, Georgia

NWS Jacksonville, FL issued this rip current statement at Aug 27, 2021, 2:43 AM EDT for Duval County, Flagler County, Nassau County, Florida; Camden County, Glynn County, Georgia. It took effect at Aug 27, 2021, 6:00 AM EDT. It was in force for 16 hr.

The area

The counties it named.

The facts

Issued
Aug 27, 2021, 2:43 AM EDT (06:43 UTC)
In effect from
Aug 27, 2021, 6:00 AM EDT
Expired
Aug 27, 2021, 10:00 PM EDT
In force
16 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 06:47 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, 6.7 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 2021-08-27Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 2491 joules per kilogram.LCLEL10008507005003002001001 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 2021-08-27The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 54 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
2491 J/kg
Mixed-layer CIN
0 J/kg
Mixed-layer LCL
699 m above ground
0-6 km bulk shear
21 kt
0-1 km storm-relative helicity
54 m²/s²
0-3 km storm-relative helicity
122 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

349 
WHUS42 KJAX 270643
CFWJAX

Coastal Hazard Message
National Weather Service Jacksonville FL
243 AM EDT Fri Aug 27 2021

FLZ124-125-133-138-GAZ154-166-280200-
/O.NEW.KJAX.RP.S.0021.210827T1000Z-210828T0200Z/
Coastal Nassau-Coastal Duval-Coastal St. Johns-Coastal Flagler-
Coastal Glynn-Coastal Camden-
243 AM EDT Fri Aug 27 2021

...HIGH RIP CURRENT RISK IN EFFECT FROM 6 AM EDT THIS MORNING
THROUGH THIS EVENING...

* WHAT...Dangerous rip currents expected.

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

* WHEN...From 6 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.

&&

$$
1 follow-up statement
348 
WHUS42 KJAX 280133
CFWJAX

Coastal Hazard Message
National Weather Service Jacksonville FL
933 PM EDT Fri Aug 27 2021

FLZ124-125-133-138-GAZ154-166-280245-
/O.EXP.KJAX.RP.S.0021.000000T0000Z-210828T0200Z/
Coastal Nassau-Coastal Duval-Coastal St. Johns-Coastal Flagler-
Coastal Glynn-Coastal Camden-
933 PM EDT Fri Aug 27 2021

...HIGH RIP CURRENT RISK WILL EXPIRE AT 10 PM EDT THIS EVENING...

$$

The office that day

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

IssuedProductOfficeCountiesLasted
Aug 26, 8:07 PM EDTSpecial Weather StatementJAXDuval23 min
Aug 27, 3:38 PM EDTSpecial Weather StatementJAXAlachua, Bradford, Gilchrist52 min
Aug 27, 4:28 PM EDTSpecial Weather StatementJAXColumbia, Gilchrist, Hamilton, Suwannee47 min
Aug 27, 5:16 PM EDTSpecial Weather StatementJAXColumbia, Hamilton, Suwannee44 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.