Alert archive / Florida / Rip Current Statements in 2018

Rip Current Statement 7, NWS Jacksonville, FL

April 20, 2018Camden County, Glynn County, Georgia; Duval County, Flagler County, Nassau County, Florida

NWS Jacksonville, FL issued this rip current statement at Apr 20, 2018, 2:52 AM EDT for Camden County, Glynn County, Georgia; Duval County, Flagler County, Nassau County, Florida. It took effect at Apr 20, 2018, 8:00 AM EDT. It was in force for 36 hr.

The area

The counties it named.

The facts

Issued
Apr 20, 2018, 2:52 AM EDT (06:52 UTC)
In effect from
Apr 20, 2018, 8:00 AM EDT
Expired
Apr 21, 2018, 8:00 PM EDT
In force
36 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 06:51 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, 6.9 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 2018-04-20Temperature 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 2018-04-20The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 106 square meters per square second.19395878Sfc1 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
2018 m above ground
0-6 km bulk shear
38 kt
0-1 km storm-relative helicity
106 m²/s²
0-3 km storm-relative helicity
70 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

296 
WHUS42 KJAX 200652
CFWJAX

Coastal Hazard Message
National Weather Service Jacksonville FL
252 AM EDT Fri Apr 20 2018

FLZ033-038-124-125-GAZ154-166-210900-
/O.NEW.KJAX.RP.S.0007.180420T1200Z-180421T0900Z/
St. Johns-Flagler-Coastal Nassau-Coastal Duval-Coastal Glynn-
Coastal Camden-
252 AM EDT Fri Apr 20 2018

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

The National Weather Service in Jacksonville has issued a High
Rip Current Risk, which is in effect from 8 AM EDT this morning
through late tonight. 

* IMPACTS...Wind and wave conditions support the development of 
  very strong rip currents. These rip currents will be life 
  threatening to anyone who enters the surf.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

There is a High Risk of rip currents.

Rip currents will be life threatening.

Rip currents are powerful channels of water flowing quickly away
from shore, which occur most often at low spots or breaks in the
sandbar and in the vicinity of structures such as groins, jetties
and piers. Heed the advice of lifeguards and the beach patrol.
Pay attention to flags and posted signs.

Swim near a lifeguard. If caught in a rip current remain calm.
Don't fight the current. Swim in a direction following the
shoreline. If unable to escape, face the shore and call or wave
for help. If tired, float or tread water until out of the rip
current.

&&

$$

JDS
4 follow-up statements
085 
WHUS42 KJAX 201838
CFWJAX

Coastal Hazard Message
National Weather Service Jacksonville FL
238 PM EDT Fri Apr 20 2018

FLZ033-038-124-125-GAZ154-166-211000-
/O.EXT.KJAX.RP.S.0007.000000T0000Z-180422T0000Z/
St. Johns-Flagler-Coastal Nassau-Coastal Duval-Coastal Glynn-
Coastal Camden-
238 PM EDT Fri Apr 20 2018

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

* IMPACTS...Wind and wave conditions support the development of 
  very strong rip currents. These rip currents will be life 
  threatening to anyone who enters the surf. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

There is a High Risk of rip currents.

Rip currents will be life threatening.

Rip currents are powerful channels of water flowing quickly away
from shore, which occur most often at low spots or breaks in the
sandbar and in the vicinity of structures such as groins, jetties
and piers. Heed the advice of lifeguards and the beach patrol.
Pay attention to flags and posted signs.

Swim near a lifeguard. If caught in a rip current remain calm.
Don't fight the current. Swim in a direction following the
shoreline. If unable to escape, face the shore and call or wave
for help. If tired, float or tread water until out of the rip
current.

&&

$$
897 
WHUS42 KJAX 210709
CFWJAX

Coastal Hazard Message
National Weather Service Jacksonville FL
309 AM EDT Sat Apr 21 2018


FLZ033-038-124-125-GAZ154-166-212000-
/O.CON.KJAX.RP.S.0007.000000T0000Z-180422T0000Z/
St. Johns-Flagler-Coastal Nassau-Coastal Duval-Coastal Glynn-
Coastal Camden-
309 AM EDT Sat Apr 21 2018

...HIGH RIP CURRENT RISK REMAINS IN EFFECT THROUGH THIS EVENING...

* IMPACTS...Wind and wave conditions support the development of 
  very strong rip currents. These rip currents will be life 
  threatening to anyone who enters the surf. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

There is a High Risk of life threatening rip currents.

Rip currents are powerful channels of water flowing quickly away 
from shore, which occur most often at low spots or breaks in the 
sandbar and in the vicinity of structures such as groins, jetties 
and piers. Heed the advice of lifeguards and the beach patrol. Pay
attention to flags and posted signs.

Swim near a lifeguard. If caught in a rip current remain calm.
Don't fight the current. Swim in a direction following the
shoreline. If unable to escape, face the shore and call or wave
for help. If tired, float or tread water until out of the rip
current.

&&

$$
771 
WHUS42 KJAX 211211
CFWJAX

Coastal Hazard Message
National Weather Service Jacksonville FL
811 AM EDT Sat Apr 21 2018


FLZ033-038-124-125-GAZ154-166-220000-
/O.CON.KJAX.RP.S.0007.000000T0000Z-180422T0000Z/
St. Johns-Flagler-Coastal Nassau-Coastal Duval-Coastal Glynn-
Coastal Camden-
811 AM EDT Sat Apr 21 2018

...HIGH RIP CURRENT RISK REMAINS IN EFFECT UNTIL 8 PM EDT THIS
EVENING...

* IMPACTS...Wind and wave conditions support the development of 
  very strong rip currents. These rip currents will be life 
  threatening to anyone who enters the surf. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

There is a High Risk of life threatening rip currents.

Rip currents are powerful channels of water flowing quickly away
from shore, which occur most often at low spots or breaks in the
sandbar and in the vicinity of structures such as groins, jetties
and piers. Heed the advice of lifeguards and the beach patrol.
Pay attention to flags and posted signs.

Swim near a lifeguard. If caught in a rip current remain calm.
Don't fight the current. Swim in a direction following the
shoreline. If unable to escape, face the shore and call or wave
for help. If tired, float or tread water until out of the rip
current.

&&

$$
767 
WHUS42 KJAX 220008
CFWJAX

Coastal Hazard Message
National Weather Service Jacksonville FL
808 PM EDT Sat Apr 21 2018


FLZ033-038-124-125-GAZ154-166-220115-
/O.EXP.KJAX.RP.S.0007.000000T0000Z-180422T0000Z/
St. Johns-Flagler-Coastal Nassau-Coastal Duval-Coastal Glynn-
Coastal Camden-
808 PM EDT Sat Apr 21 2018

...HIGH RIP CURRENT RISK HAS EXPIRED...



$$

Nearby

Rip Current Statements in Florida, 2018Rip Current Statements in Georgia, 2018Every rip current statement in 2018

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.