Alert archive / Georgia / High Surf Advisories in 2021

High Surf Advisory 2, NWS Jacksonville, FL

July 7, 2021Camden County, Glynn County, Georgia

NWS Jacksonville, FL issued this high surf advisory at Jul 7, 2021, 2:52 AM EDT for Camden County, Glynn County, Georgia. It took effect at Jul 7, 2021, 2:00 PM EDT. It was in force for 119 min.

The area

The counties it named.

The facts

Issued
Jul 7, 2021, 2:52 AM EDT (06:52 UTC)
In effect from
Jul 7, 2021, 2:00 PM EDT
Expired
Jul 7, 2021, 3:59 PM EDT
In force
119 min
Issued by
NWS Jacksonville, FL

Counties Camden County, GA, Glynn County, GA

The radar

The Jacksonville radar (KJAX), 66 km from the middle of the area, began a volume at 06:53 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 64 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 2021-07-07Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1886 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 2021-07-07The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -31 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
1886 J/kg
Mixed-layer CIN
-3 J/kg
Mixed-layer LCL
813 m above ground
0-6 km bulk shear
3 kt
0-1 km storm-relative helicity
-31 m²/s²
0-3 km storm-relative helicity
-27 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

992 
WHUS42 KJAX 070652
CFWJAX

Coastal Hazard Message
National Weather Service Jacksonville FL
252 AM EDT Wed Jul 7 2021

GAZ154-166-080000-
/O.NEW.KJAX.SU.Y.0002.210707T1800Z-210708T0000Z/
/O.CON.KJAX.RP.S.0017.210707T1000Z-210708T0800Z/
Coastal Glynn-Coastal Camden-
252 AM EDT Wed Jul 7 2021

...HIGH RIP CURRENT RISK REMAINS IN EFFECT FROM 6 AM EDT THIS
MORNING THROUGH LATE TONIGHT...
...HIGH SURF ADVISORY IN EFFECT FROM 2 PM THIS AFTERNOON TO 8 PM
EDT THIS EVENING...

* WHAT...For the High Surf Advisory, large breaking waves of 5 to
  8 feet this afternoon. For the High Rip Current Risk, dangerous
  rip currents expected.

* WHERE...Southeast Georgia Beaches.

* WHEN...For the High Surf Advisory, from 2 PM this afternoon to 
  8 PM EDT this evening. For the High Rip Current Risk, from 6 
  AM EDT this morning through late tonight.

* IMPACTS...Dangerous swimming and surfing conditions and
  localized beach erosion. Rip currents can sweep even the best
  swimmers away from shore into deeper water.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Inexperienced swimmers should remain out of the water due to
dangerous surf conditions.

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.

&&

$$

FLZ124-125-133-138-080000-
/O.CON.KJAX.RP.S.0017.210707T1000Z-210708T0800Z/
Coastal Nassau-Coastal Duval-Coastal St. Johns-Coastal Flagler-
252 AM EDT Wed Jul 7 2021

...HIGH RIP CURRENT RISK REMAINS IN EFFECT FROM 6 AM EDT THIS
MORNING THROUGH LATE TONIGHT...

* WHAT...Dangerous rip currents expected.

* WHERE...Northeast Florida Beaches.

* WHEN...From 6 AM EDT 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.

&&

$$
1 follow-up statement
341 
WHUS42 KJAX 071959
CFWJAX

Coastal Hazard Message
National Weather Service Jacksonville FL
359 PM EDT Wed Jul 7 2021

GAZ154-166-080800-
/O.CAN.KJAX.SU.Y.0002.000000T0000Z-210708T0000Z/
/O.CON.KJAX.RP.S.0017.000000T0000Z-210708T0800Z/
Coastal Glynn-Coastal Camden-
359 PM EDT Wed Jul 7 2021

...HIGH RIP CURRENT RISK REMAINS IN EFFECT THROUGH LATE TONIGHT...
...HIGH SURF ADVISORY IS CANCELLED...

* WHAT...Dangerous rip currents.

* WHERE...Southeast Georgia 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.

&&

$$

FLZ124-125-133-138-080800-
/O.CON.KJAX.RP.S.0017.000000T0000Z-210708T0800Z/
Coastal Nassau-Coastal Duval-Coastal St. Johns-Coastal Flagler-
359 PM EDT Wed Jul 7 2021

...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.

&&

$$

The office that day

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

IssuedProductOfficeCountiesLasted
Jul 6, 11:03 PM EDTRip Current StatementJAXCamden, Glynn28 hr
Jul 7, 8:31 AM EDTSpecial Weather StatementJAXEchols44 min
Jul 7, 9:01 AM EDTSpecial Weather StatementJAXAtkinson44 min
Jul 7, 9:17 AM EDTSpecial Weather StatementJAXEchols58 min
Jul 7, 9:37 AM EDTTornado WarningJAXBrantley, Pierce, Ware23 min
Jul 7, 10:03 AM EDTSpecial Weather StatementJAXCoffee42 min
Jul 7, 10:14 AM EDTSpecial Weather StatementJAXClinch46 min
Jul 7, 10:19 AM EDTSpecial Weather StatementJAXCamden41 min
Jul 7, 10:55 AM EDTSpecial Weather StatementJAXAtkinson, Bacon, Brantley, Coffee, Pierce65 min
Jul 7, 12:09 PM EDTSpecial Weather StatementJAXAppling, Jeff Davis36 min
Jul 7, 1:38 PM EDTAreal Flood WarningJAXCharlton, Clinch, Echols, Ware3 hr
Jul 7, 2:47 PM EDTSpecial Weather StatementJAXCharlton58 min
Jul 7, 3:31 PM EDTAreal Flood WarningJAXCamden, Charlton, Clinch, Ware2 hr
Jul 7, 3:45 PM EDTSpecial Weather StatementJAXCamden, Charlton60 min
Jul 7, 4:45 PM EDTSpecial Weather StatementJAXBrantley, Camden, Charlton, Glynn, Pierce, Ware60 min
Jul 7, 5:15 PM EDTAreal Flood WarningJAXBrantley, Camden, Charlton, Glynn, Pierce, Ware2 hr
Jul 7, 5:42 PM EDTTornado WarningJAXCamden33 min
Jul 7, 5:45 PM EDTSpecial Weather StatementJAXBrantley, Camden, Glynn, Wayne60 min
Jul 7, 6:11 PM EDTTornado Warning Tornado observedJAXCamden, Glynn, Wayne21 min
Jul 7, 6:17 PM EDTAreal Flood WarningJAXAppling, Brantley, Camden, Glynn, Pierce, Wayne3 hr
Jul 7, 6:46 PM EDTSpecial Weather StatementJAXCamden, Glynn, Wayne44 min
Jul 7, 7:01 PM EDTFlash Flood WarningJAXCamden, Glynn119 min
Jul 7, 7:18 PM EDTAreal Flood WarningJAXBrantley, Camden, Charlton, Glynn, Pierce, Ware117 min
Jul 7, 7:53 PM EDTFlash Flood WarningJAXGlynn78 min

Nearby

High Surf Advisories in Georgia, 2021Every high surf advisory 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.