Alert archive / Florida / Beach Hazards Statements in 2016

Beach Hazards Statement 21, NWS Melbourne, FL

December 30, 2016Volusia County, Florida

NWS Melbourne, FL issued this beach hazards statement at Dec 30, 2016, 3:24 AM EST for Volusia County, Florida. It took effect at Dec 30, 2016, 4:00 AM EST. It was in force for 13 hr.

The area

The counties it named.

The facts

Issued
Dec 30, 2016, 3:24 AM EST (08:24 UTC)
In effect from
Dec 30, 2016, 4:00 AM EST
Expired
Dec 30, 2016, 5:00 PM EST
In force
13 hr
Issued by
NWS Melbourne, FL

County Volusia County, FL

The radar

The Melbourne radar (KMLB), 116 km from the middle of the area, began a volume at 08:27 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

Cape Canaveral, FL (KXMR), launched 00:00Z, 8.4 hours before the alert went out and 91 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, Cape Canaveral, FL at 00:00Z on 2016-12-30Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 26 joules per kilogram.LCLLFCEL10008507005003002001001 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, Cape Canaveral, FL at 00:00Z on 2016-12-30The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 55 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
26 J/kg
Mixed-layer CIN
-78 J/kg
Mixed-layer LCL
1322 m above ground
0-6 km bulk shear
46 kt
0-1 km storm-relative helicity
55 m²/s²
0-3 km storm-relative helicity
72 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

890 
WHUS42 KMLB 300824
CFWMLB

COASTAL HAZARD MESSAGE
NATIONAL WEATHER SERVICE MELBOURNE FL
324 AM EST FRI DEC 30 2016


FLZ047-054-059-064-141-147-302200-
/O.NEW.KMLB.BH.S.0021.161230T0900Z-161230T2200Z/
SOUTHERN BREVARD COUNTY-INDIAN RIVER-ST. LUCIE-MARTIN-
COASTAL VOLUSIA COUNTY-NORTHERN BREVARD COUNTY-
324 AM EST FRI DEC 30 2016

...BEACH HAZARDS STATEMENT IN EFFECT THROUGH THIS AFTERNOON...

THE NATIONAL WEATHER SERVICE IN MELBOURNE HAS ISSUED A BEACH
HAZARDS STATEMENT FOR STRONG LONGSHORE CURRENTS AND A MODERATE
RISK OF RIP CURRENTS...WHICH IS IN EFFECT THROUGH THIS AFTERNOON.

* HAZARDS...STRONG NORTHERLY WINDS ALONG THE COAST WILL GENERATE
  LARGE WAVES AND STRONG CURRENTS MOVING FROM NORTH TO SOUTH. LIFE
  THREATENING RIP CURRENTS WILL ALSO BE POSSIBLE NEAR PIERS AND
  JETTIES.

* TIMING...TODAY.

* LOCATION...VOLUSIA, BREVARD, INDIAN RIVER, SAINT LUCIE AND
  MARTIN COUNTY BEACHES.

* POTENTIAL IMPACTS...STRONG SOUTHWARD FLOWING LONGSHORE CURRENTS
  AND A MODERATE RISK FOR RIP CURRENTS. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

SURF ZONE CONDITIONS WILL POSE A MODERATE HAZARD. A SOUTHWARD
FLOWING LONGSHORE CURRENT CAN KNOCK YOU OFF THE SANDBAR INTO
DEEPER WATER. LIFE THREATENING RIP CURRENTS ARE ALSO POSSIBLE NEAR
PIERS AND JETTIES. ONLY ENTER THE SURF NEAR A LIFEGUARD.

&&

$$

The office that day

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

IssuedProductOfficeCountiesLasted
Dec 30, 3:03 AM ESTRed Flag WarningMLBLake, Okeechobee, Orange, Osceola, Seminole, Volusia14 hr

Nearby

Beach Hazards Statements in Florida, 2016Every beach hazards statement in 2016

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.