Alert archive / Florida / Rip Current Statements in 2020

Rip Current Statement 1, NWS Jacksonville, FL

January 9, 2020Duval County, Flagler County, Nassau County, Florida

NWS Jacksonville, FL issued this rip current statement at Jan 9, 2020, 1:53 AM EST for Duval County, Flagler County, Nassau County, Florida. It took effect at Jan 9, 2020, 7:00 AM EST. It was in force for 61 hr.

The area

The counties it named.

The facts

Issued
Jan 9, 2020, 1:53 AM EST (06:53 UTC)
In effect from
Jan 9, 2020, 7:00 AM EST
Expired
Jan 11, 2020, 7:57 PM EST
In force
61 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 06:56 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, 6.9 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 2020-01-09Temperature 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 2020-01-09The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -81 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
2569 m above ground
0-6 km bulk shear
35 kt
0-1 km storm-relative helicity
-81 m²/s²
0-3 km storm-relative helicity
32 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

461 
WHUS42 KJAX 090653
CFWJAX

Coastal Hazard Message
National Weather Service Jacksonville FL
153 AM EST Thu Jan 9 2020

FLZ124-125-133-138-100600-
/O.NEW.KJAX.RP.S.0001.200109T1200Z-200110T0600Z/
Coastal Nassau-Coastal Duval-Coastal St. Johns-Coastal Flagler-
153 AM EST Thu Jan 9 2020

...HIGH RIP CURRENT RISK IN EFFECT FROM 7 AM EST THIS MORNING
THROUGH LATE TONIGHT...

* WHAT...Dangerous rip currents expected.

* WHERE...Northeast Florida Beaches.

* WHEN...From 7 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.

&&

$$
4 follow-up statements
397 
WHUS42 KJAX 100201
CFWJAX

Coastal Hazard Message
National Weather Service Jacksonville FL
901 PM EST Thu Jan 9 2020

FLZ124-125-133-138-101015-
/O.EXT.KJAX.RP.S.0001.000000T0000Z-200111T1000Z/
Coastal Nassau-Coastal Duval-Coastal St. Johns-Coastal Flagler-
901 PM EST Thu Jan 9 2020

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

* WHAT...Dangerous rip currents.

* WHERE...Northeast Florida Beaches.

* WHEN...Through late Friday 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.

&&

$$
773 
WHUS42 KJAX 100656
CFWJAX

Coastal Hazard Message
National Weather Service Jacksonville FL
156 AM EST Fri Jan 10 2020

FLZ124-125-133-138-111000-
/O.CON.KJAX.RP.S.0001.000000T0000Z-200111T1000Z/
Coastal Nassau-Coastal Duval-Coastal St. Johns-Coastal Flagler-
156 AM EST Fri Jan 10 2020

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

* WHAT...Dangerous rip currents.

* WHERE...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.

&&

$$
424 
WHUS42 KJAX 110725
CFWJAX

Coastal Hazard Message
National Weather Service Jacksonville FL
225 AM EST Sat Jan 11 2020

FLZ124-125-133-138-120400-
/O.EXT.KJAX.RP.S.0001.000000T0000Z-200112T0400Z/
Coastal Nassau-Coastal Duval-Coastal St. Johns-Coastal Flagler-
225 AM EST Sat Jan 11 2020

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

* WHAT...Dangerous rip currents.

* WHERE...Northeast Florida Beaches.

* WHEN...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.

&&

$$
168 
WHUS42 KJAX 120057
CFWJAX

Coastal Hazard Message
National Weather Service Jacksonville FL
757 PM EST Sat Jan 11 2020

FLZ124-125-133-138-120200-
/O.CAN.KJAX.RP.S.0001.000000T0000Z-200112T0400Z/
Coastal Nassau-Coastal Duval-Coastal St. Johns-Coastal Flagler-
757 PM EST Sat Jan 11 2020

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

$$

The office that day

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

IssuedProductOfficeCountiesLasted
Jan 9, 1:48 AM ESTFrost AdvisoryJAXAlachua, Baker, Bradford, Gilchrist, Marion, Nassau and 2 more7 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.