Alert archive / Florida / High Surf Advisories in 2014

High Surf Advisory 2, NWS Jacksonville, FL

December 8, 2014Flagler County, Florida

NWS Jacksonville, FL issued this high surf advisory at Dec 8, 2014, 10:12 AM EST for Flagler County, Florida. It was in force for 9 hr.

The area

The counties it named.

The facts

Issued
Dec 8, 2014, 10:12 AM EST (15:12 UTC)
Expired
Dec 8, 2014, 7:00 PM EST
In force
9 hr
Issued by
NWS Jacksonville, FL

County Flagler County, FL

The radar

The Jacksonville radar (KJAX), 119 km from the middle of the area, began a volume at 15:14 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 12:00Z, 3.2 hours before the alert went out and 121 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 12:00Z on 2014-12-08Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1 joules per kilogram.LCLEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Jacksonville, FL at 12:00Z on 2014-12-08The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 105 square meters per square second.193958Sfc1 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
1 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
508 m above ground
0-6 km bulk shear
38 kt
0-1 km storm-relative helicity
105 m²/s²
0-3 km storm-relative helicity
232 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

What forecasters said that day

The local office's own words before this high surf advisory went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.

NWS Jacksonville, FL wrote its last area forecast discussion before this high surf advisory went out at Dec 8, 9:28 AM EST, 44 minutes earlier.

Area forecast discussion, Dec 8, 9:28 AM EST, 44 minutes before
AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE JACKSONVILLE FL
928 AM EST MON DEC 8 2014

.UPDATE...

ELEVATED WINDS AT THE LAND/SEA INTERFACE HAS INSPIRED A WIND
ADVISORY FOR COASTAL NE FL. EXPECT THE GRADIENT TO WEAKEN INTO THE
AFTERNOON...WHICH WILL RESULT IN DECREASING WINDS. AS AN UPPER
TROUGH MOVES EAST ACROSS THE AREA THIS AFTERNOON...THE CHANCE FOR
SHOWERS WILL INCREASE.

CLOUDS WILL BE PERSISTENT THROUGH THE AFTERNOON WHICH WILL KEEP
TEMPERATURES FROM MODERATING MUCH.

&&

.AVIATION...

GUSTY CONDITIONS WITH MVFR CIGS WILL CONTINUE TODAY. IFR AND LOWER
WILL BE POSSIBLE OVERNIGHT.

&&

.MARINE...

WINDS ARE EXPECTED TO DECREASE SOMEWHAT INTO THE AFTERNOON AS THE
PRESSURE GRADIENT BEGINS TO WEAKEN. THEREFORE...PLAN TO LET THE
GALE WARNING EXPIRE ON TIME.

RIP CURRENTS: HIGH RISK TODAY DUE TO ROUGH SEAS AND GUSTY WINDS IN
A STRONG NORTHERLY FLOW.

&&

.PRELIMINARY POINT TEMPS/POPS...
AMG  52  37  59  36 /  20  10  10   0
SSI  57  43  59  42 /  20  10  10   0
JAX  61  43  61  40 /  20  10  10   0
SGJ  64  47  62  44 /  20  10  10   0
GNV  64  42  63  39 /  20  10  10   0
OCF  67  44  66  41 /  20  10  10   0

&&

.JAX WATCHES/WARNINGS/ADVISORIES...
FL...RIP CURRENT RISK UNTIL 5 PM EST THIS AFTERNOON FOR DUVAL-FLAGLER-
     NASSAU-ST JOHNS.

     WIND ADVISORY UNTIL 3 PM EST THIS AFTERNOON FOR DUVAL-FLAGLER-
     NASSAU-ST JOHNS.

GA...RIP CURRENT RISK UNTIL 5 PM EST THIS AFTERNOON FOR COASTAL
     CAMDEN-COASTAL GLYNN.

AM...SMALL CRAFT ADVISORY UNTIL 3 PM EST TUESDAY FOR ALTAMAHA SOUND
     GA TO FERNANDINA BEACH FL 20 NM TO 60 NM OFFSHORE-
     FERNANDINA BEACH TO ST AUGUSTINE FL 20 NM TO 60 NM OFFSHORE-
     ST AUGUSTINE TO FLAGLER BEACH FL 20 NM TO 60 NM OFFSHORE.

     GALE WARNING UNTIL 10 AM EST THIS MORNING FOR ALTAMAHA SOUND GA
     TO FERNANDINA BEACH FL 20 NM TO 60 NM OFFSHORE-FERNANDINA
     BEACH TO ST AUGUSTINE FL 20 NM TO 60 NM OFFSHORE-ST
     AUGUSTINE TO FLAGLER BEACH FL 20 NM TO 60 NM OFFSHORE.

     SMALL CRAFT ADVISORY UNTIL 5 AM EST TUESDAY FOR ALTAMAHA SOUND
     GA TO FERNANDINA BEACH FL OUT 20 NM-FERNANDINA BEACH TO ST
     AUGUSTINE FL OUT 20 NM-ST AUGUSTINE TO FLAGLER BEACH FL OUT
     20 NM.

&&

STRUBLE/SHASHY
Hazardous weather outlook, Dec 8, 8:18 AM EST, 1 hour 54 minutes before
HAZARDOUS WEATHER OUTLOOK...UPDATED
NATIONAL WEATHER SERVICE JACKSONVILLE FL
818 AM EST MON DEC 8 2014

AMZ450-452-454-470-472-474-FLZ020>025-030>033-035>038-040-
GAZ132>136-149>154-162>166-091000-
ALTAMAHA SOUND GA TO FERNANDINA BEACH FL OUT 20 NM-
FERNANDINA BEACH TO ST AUGUSTINE FL OUT 20 NM-
ST AUGUSTINE TO FLAGLER BEACH FL OUT 20 NM-
ALTAMAHA SOUND GA TO FERNANDINA BEACH FL 20 NM TO 60 NM OFFSHORE-
FERNANDINA BEACH TO ST AUGUSTINE FL 20 NM TO 60 NM OFFSHORE-
ST AUGUSTINE TO FLAGLER BEACH FL 20 NM TO 60 NM OFFSHORE-HAMILTON-
SUWANNEE-COLUMBIA-BAKER-NASSAU-DUVAL-UNION-BRADFORD-CLAY-ST JOHNS-
GILCHRIST-ALACHUA-PUTNAM-FLAGLER-MARION-COFFEE-JEFF DAVIS-BACON-
APPLING-WAYNE-ATKINSON-WARE-PIERCE-BRANTLEY-INLAND GLYNN-
COASTAL GLYNN-ECHOLS-CLINCH-CHARLTON-INLAND CAMDEN-COASTAL CAMDEN-
818 AM EST MON DEC 8 2014

...GALE WARNING FOR THE OFFSHORE WATERS THROUGH 10 AM...

...SMALL CRAFT ADVISORY ALL COASTAL WATERS THROUGH TONIGHT...

...HIGH RISK OF RIP CURRENTS TODAY AND POSSIBLY AGAIN ON TUESDAY...

...MINOR COASTAL FLOODING POSSIBLE NEAR THE TIME OF HIGH TIDE
TODAY...

...WIND ADVISORY IN EFFECT FOR COASTAL COUNTIES OF NORTHEAST
FLORIDA...

THIS HAZARDOUS WEATHER OUTLOOK IS FOR NORTHEAST FLORIDA...
SOUTHEAST GEORGIA AND THE ADJACENT COASTAL WATERS.

.DAY ONE...TODAY AND TONIGHT...

STRONG ONSHORE FLOW WILL CONTINUE SMALL CRAFT ADVISORY AND GALE
CONDITIONS OVER THE ADJACENT COASTAL WATERS. IT WILL BE WINDY
ESPECIALLY ALONG THE IMMEDIATE BEACHES AND INTRACOASTAL WATERWAY
WITH OCCASIONAL WIND GUSTS TO 35 MPH. A WIND ADVISORY IS IN EFFECT
FOR NASSAU...DUVAL...ST JOHNS AND FLAGLER COUNTIES UNTIL 3 PM.

ELEVATED WATER LEVELS MAY CAUSE MINOR COASTAL FLOODING AND BEACH
EROSION THIS MORNING AROUND THE TIMES OF HIGH TIDE IN NORMALLY
FLOOD PRONE AREAS ALONG THE ATLANTIC COAST AND INLAND TRIBUTARIES.
HIGH TIDE THIS MORNING WILL BE BETWEEN 9 AND 10 A.M. ON THE
OCEANFRONT AND SEVERAL HOURS AFTERWARD ON THE ESTUARIES. THE SAINT
JOHNS RIVER IS CURRENTLY RUNNING ABOUT A FOOT TO A FOOT AND A
HALF ABOVE PREDICTED TIDAL LEVELS. AT THESE LEVELS NUISANCE FLOODING
OF THE NORMALLY FLOOD PRONE COASTAL AREAS CAN BE EXPECTED.

.DAYS TWO THROUGH SEVEN...TUESDAY THROUGH SUNDAY...

DANGEROUS RIP CURRENTS ARE POSSIBLE TUESDAY.

ELEVATED ONSHORE FLOW WILL CONTINUE TUESDAY WITH SMALL CRAFT ADVISORY
CONDITIONS EXPECTED OVER THE OFFSHORE COASTAL WATERS.

.SPOTTER INFORMATION STATEMENT...

SPOTTER ACTIVATION IS NOT REQUESTED AT THIS TIME.

FOR ADDITIONAL INFORMATION...VISIT THE NATIONAL WEATHER SERVICE
IN JACKSONVILLE WEBSITE ON THE INTERNET AT WEATHER.GOV/JAX.

In the hours before

Local storm report, Dec 8, 9:46 AM EST, 26 minutes before
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The office that day

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

IssuedProductOfficeCountiesLasted
Dec 7, 9:17 PM ESTGale WarningJAX13 hr
Dec 8, 3:00 AM ESTRip Current StatementJAXFlagler, Nassau16 hr
Dec 8, 8:08 AM ESTWind AdvisoryJAXFlagler, Nassau6 hr
Dec 8, 10:12 AM ESTCoastal Flood StatementJAXFlagler27 hr

Nearby

High Surf Advisories in Florida, 2014Every high surf advisory in 2014

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.