Alert archive / Florida / Rip Current Statements in 2020

Rip Current Statement 37, NWS Jacksonville, FL

December 15, 2020Duval County, Flagler County, Nassau County, Florida

NWS Jacksonville, FL issued this rip current statement at Dec 15, 2020, 3:57 AM EST for Duval County, Flagler County, Nassau County, Florida. It was in force for 16 hr.

The area

The counties it named.

The facts

Issued
Dec 15, 2020, 3:57 AM EST (08:57 UTC)
Expired
Dec 15, 2020, 8:11 PM EST
In force
16 hr
Issued by
NWS Jacksonville, FL

Counties Duval County, FL, Flagler County, FL, Nassau County, FL

The radar

The Jacksonville radar (KJAX), 40 km from the middle of the area, began a volume at 08:56 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, 9.0 hours before the alert went out and 42 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 2020-12-15Temperature 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 2020-12-15The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 7 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
1190 m above ground
0-6 km bulk shear
42 kt
0-1 km storm-relative helicity
7 m²/s²
0-3 km storm-relative helicity
100 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

881 
WHUS42 KJAX 150857
CFWJAX

Coastal Hazard Message
National Weather Service Jacksonville FL
357 AM EST Tue Dec 15 2020

FLZ124-125-152200-
/O.NEW.KJAX.RP.S.0037.201215T0857Z-201216T0900Z/
/O.NEW.KJAX.CF.S.0019.201215T1000Z-201216T0100Z/
Coastal Nassau-Coastal Duval-
357 AM EST Tue Dec 15 2020

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

* WHAT...For the High Rip Current Risk, dangerous rip currents and
  rough surf. For the Coastal Flood Statement, isolated minor 
  coastal flooding possible.

* WHERE...Coastal Nassau and Coastal Duval Counties.

* WHEN...For the High Rip Current Risk, through late tonight. 
  For the Coastal Flood Statement, through this evening.

* IMPACTS...Some water on low lying roads and property. Rip 
  currents can sweep even the best swimmers away from shore into 
  deeper water.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Do not drive through flooded roadways.

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.

&&

$$

GAZ154-166-152200-
/O.NEW.KJAX.CF.S.0019.201215T1000Z-201216T0100Z/
Coastal Glynn-Coastal Camden-
357 AM EST Tue Dec 15 2020

* WHAT...Coastal Flood Statement for isolated minor coastal 
  flooding.

* WHERE...Southeast Georgia Beaches.

* WHEN...Through this evening.

* IMPACTS...Some water on low lying roads and property.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Do not drive through flooded roadways.

&&

$$

FLZ133-138-152200-
/O.NEW.KJAX.RP.S.0037.201215T0857Z-201216T0900Z/
Coastal St. Johns-Coastal Flagler-
357 AM EST Tue Dec 15 2020

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

* WHAT...Dangerous rip currents and rough surf.

* WHERE...Coastal St. Johns and Coastal Flagler Counties.

* 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.

&&

$$
3 follow-up statements
301 
WHUS42 KJAX 151206
CFWJAX

Coastal Hazard Message
National Weather Service Jacksonville FL
706 AM EST Tue Dec 15 2020

FLZ124-125-152015-
/O.CAN.KJAX.CF.S.0019.000000T0000Z-201216T0100Z/
/O.NEW.KJAX.CF.Y.0011.201215T1206Z-201215T1600Z/
/O.CON.KJAX.RP.S.0037.000000T0000Z-201216T0900Z/
Coastal Nassau-Coastal Duval-
706 AM EST Tue Dec 15 2020

...COASTAL FLOOD ADVISORY IN EFFECT UNTIL 11 AM EST THIS
MORNING...
...HIGH RIP CURRENT RISK REMAINS IN EFFECT THROUGH LATE TONIGHT...

* WHAT...For the Coastal Flood Advisory, minor coastal flooding. 
  For the High Rip Current Risk, dangerous rip currents.

* WHERE...Coastal Nassau and Coastal Duval Counties.

* WHEN...For the Coastal Flood Advisory, until 11 AM EST this 
  morning. For the High Rip Current Risk, through late tonight.

* IMPACTS...Flooding of lots, parks, and roads with only 
  isolated road closures expected. Rip currents can sweep even 
  the best swimmers away from shore into deeper water.

* ADDITIONAL DETAILS...High tide levels this morning are expected
  to peak close to 2 feet above Mean Higher High Water (MHHW) or 
  above normally dry ground.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

If travel is required, allow extra time as some roads may be
closed. Do not drive around barricades or through water of
unknown depth. Take the necessary actions to protect flood-prone
property.

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.

&&

$$

GAZ154-166-151600-
/O.CAN.KJAX.CF.S.0019.000000T0000Z-201216T0100Z/
/O.NEW.KJAX.CF.Y.0011.201215T1206Z-201215T1600Z/
Coastal Glynn-Coastal Camden-
706 AM EST Tue Dec 15 2020

...COASTAL FLOOD ADVISORY IN EFFECT UNTIL 11 AM EST THIS
MORNING...

* WHAT...Minor coastal flooding.

* WHERE...Southeast Georgia Beaches.

* WHEN...Until 11 AM EST this morning.

* IMPACTS...Flooding of lots, parks, and roads with only 
  isolated road closures expected.

* ADDITIONAL DETAILS...High tide levels this morning are expected
  to peak close to 2 feet above Mean Higher High Water (MHHW) or 
  above normally dry ground.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

If travel is required, allow extra time as some roads may be
closed. Do not drive around barricades or through water of
unknown depth. Take the necessary actions to protect flood-prone
property.

&&

$$

FLZ133-138-152015-
/O.CON.KJAX.RP.S.0037.000000T0000Z-201216T0900Z/
Coastal St. Johns-Coastal Flagler-
706 AM EST Tue Dec 15 2020

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

* WHAT...Dangerous rip currents.

* WHERE...Coastal St. Johns and Coastal Flagler Counties.

* 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.

&&

$$
825 
WHUS42 KJAX 151548 AAA
CFWJAX

Coastal Hazard Message...UPDATED
National Weather Service Jacksonville FL
1048 AM EST Tue Dec 15 2020

FLZ124-125-160000-
/O.EXP.KJAX.CF.Y.0011.000000T0000Z-201215T1600Z/
/O.CON.KJAX.RP.S.0037.000000T0000Z-201216T0900Z/
Coastal Nassau-Coastal Duval-
1048 AM EST Tue Dec 15 2020

...HIGH RIP CURRENT RISK REMAINS IN EFFECT THROUGH LATE TONIGHT...
...COASTAL FLOOD ADVISORY WILL EXPIRE AT 11 AM EST THIS MORNING...

* WHAT...Dangerous rip currents and rough surf of 3 to 5 feet.

* WHERE...Coastal Duval and Coastal Nassau Counties.

* 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.

&&

$$

GAZ154-166-151700-
/O.EXP.KJAX.CF.Y.0011.000000T0000Z-201215T1600Z/
Coastal Glynn-Coastal Camden-
1048 AM EST Tue Dec 15 2020

...COASTAL FLOOD ADVISORY WILL EXPIRE AT 11 AM EST THIS MORNING...

$$

FLZ133-138-160000-
/O.CON.KJAX.RP.S.0037.000000T0000Z-201216T0900Z/
Coastal St. Johns-Coastal Flagler-
1048 AM EST Tue Dec 15 2020

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

* WHAT...Dangerous rip currents and rough surf of 3 to 5 feet.

* WHERE...Coastal St. Johns and Coastal Flagler Counties.

* 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.

&&

$$
848 
WHUS42 KJAX 160111
CFWJAX

Coastal Hazard Message
National Weather Service Jacksonville FL
811 PM EST Tue Dec 15 2020

FLZ124-125-133-138-160215-
/O.CAN.KJAX.RP.S.0037.000000T0000Z-201216T0900Z/
Coastal Nassau-Coastal Duval-Coastal St. Johns-Coastal Flagler-
811 PM EST Tue Dec 15 2020

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


$$

The office that day

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

IssuedProductOfficeCountiesLasted
Dec 15, 3:22 AM ESTGale WarningJAX17 hr
Dec 15, 3:57 AM ESTCoastal Flood StatementJAXDuval, Nassau3 hr
Dec 15, 7:06 AM ESTCoastal Flood AdvisoryJAXDuval, Nassau4 hr

Nearby

Rip Current Statements in Florida, 2020Every rip current statement in 2020

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.