Alert archive / Florida / Rip Current Statements in 2018

Rip Current Statement 29, NWS Jacksonville, FL

September 30, 2018Duval County, Flagler County, Nassau County, Florida; Camden County, Glynn County, Georgia

NWS Jacksonville, FL issued this rip current statement at Sep 30, 2018, 3:44 AM EDT for Duval County, Flagler County, Nassau County, Florida; Camden County, Glynn County, Georgia. It took effect at Sep 30, 2018, 6:00 AM EDT. It was in force for 38 hr.

The area

The counties it named.

The facts

Issued
Sep 30, 2018, 3:44 AM EDT (07:44 UTC)
In effect from
Sep 30, 2018, 6:00 AM EDT
Expired
Oct 1, 2018, 8:00 PM EDT
In force
38 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 07:46 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, 7.7 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 2018-09-30Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1833 joules per kilogram.LCLLFCEL10008507005003002001001 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 2018-09-30The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -26 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
1833 J/kg
Mixed-layer CIN
-17 J/kg
Mixed-layer LCL
946 m above ground
0-6 km bulk shear
1 kt
0-1 km storm-relative helicity
-26 m²/s²
0-3 km storm-relative helicity
6 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

842 
WHUS42 KJAX 300744
CFWJAX

Coastal Hazard Message
National Weather Service Jacksonville FL
344 AM EDT Sun Sep 30 2018

FLZ124-125-133-138-GAZ154-166-020000-
/O.NEW.KJAX.RP.S.0029.180930T1000Z-181002T0000Z/
Coastal Nassau-Coastal Duval-Coastal St. Johns-Coastal Flagler-
Coastal Glynn-Coastal Camden-
344 AM EDT Sun Sep 30 2018

...HIGH RIP CURRENT RISK IN EFFECT THROUGH MONDAY EVENING...

The National Weather Service in Jacksonville has issued a High
Rip Current Risk, which is in effect through Monday evening. 

* TIMING...Through Monday evening. 

* IMPACTS...Life threatening rip currents are likely. 

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.

&&

$$
3 follow-up statements
527 
WHUS42 KJAX 301843 AAA
CFWJAX

Coastal Hazard Message...UPDATED
National Weather Service Jacksonville FL
243 PM EDT Sun Sep 30 2018

FLZ124-125-133-138-GAZ154-166-011000-
/O.CON.KJAX.RP.S.0029.000000T0000Z-181002T0000Z/
Coastal Nassau-Coastal Duval-Coastal St. Johns-Coastal Flagler-
Coastal Glynn-Coastal Camden-
243 PM EDT Sun Sep 30 2018

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

* TIMING...Through Monday evening.

* IMPACTS...Life threatening rip currents are likely.

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.

&&

$$
134 
WHUS42 KJAX 010750
CFWJAX

Coastal Hazard Message
National Weather Service Jacksonville FL
350 AM EDT Mon Oct 1 2018

FLZ124-125-133-138-GAZ154-166-020000-
/O.CON.KJAX.RP.S.0029.000000T0000Z-181002T0000Z/
Coastal Nassau-Coastal Duval-Coastal St. Johns-Coastal Flagler-
Coastal Glynn-Coastal Camden-
350 AM EDT Mon Oct 1 2018

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

* TIMING...Through This evening. High risk of rip currents is 
  possible on Tuesday.

* IMPACTS...Life threatening rip currents and rough surf are 
  likely.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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.

&&

$$
290 
WHUS42 KJAX 011841 AAA
CFWJAX

Coastal Hazard Message...UPDATED
National Weather Service Jacksonville FL
241 PM EDT Mon Oct 1 2018

FLZ124-125-133-138-GAZ154-166-020000-
/O.CON.KJAX.RP.S.0029.000000T0000Z-181002T0000Z/
Coastal Nassau-Coastal Duval-Coastal St. Johns-Coastal Flagler-
Coastal Glynn-Coastal Camden-
241 PM EDT Mon Oct 1 2018

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

* TIMING...Through This evening. High risk of rip currents is 
  possible on Tuesday.

* IMPACTS...Life threatening rip currents and rough surf are 
  likely.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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.

&&

$$

The office that day

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

IssuedProductOfficeCountiesLasted
Sep 30, 3:51 AM EDTSmall Craft Advisory for Hazardous SeasJAX5 days
Sep 29, 8:38 PM EDTAreal Flood AdvisoryJAXAtkinson, Coffee52 min
Sep 29, 9:24 PM EDTAreal Flood AdvisoryJAXClinch2 hr
Sep 29, 10:58 PM EDTSpecial Weather StatementJAXEchols47 min
Sep 29, 11:35 PM EDTAreal Flood AdvisoryJAXClinch, Echols115 min
Sep 29, 11:46 PM EDTSpecial Weather StatementJAXEchols29 min
Sep 30, 12:16 AM EDTSpecial Weather StatementJAXEchols29 min

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.