Alert archive / Florida / Beach Hazards Statements in 2015

Beach Hazards Statement 21, NWS Melbourne, FL

December 19, 2015Volusia County, Florida

NWS Melbourne, FL issued this beach hazards statement at Dec 19, 2015, 3:55 AM EST for Volusia County, Florida. It took effect at Dec 19, 2015, 7:00 AM EST. It was in force for 12 hr.

The area

The counties it named.

The facts

Issued
Dec 19, 2015, 3:55 AM EST (08:55 UTC)
In effect from
Dec 19, 2015, 7:00 AM EST
Expired
Dec 19, 2015, 7:00 PM EST
In force
12 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 08:55 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, 8.9 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 2015-12-19Temperature 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, Cape Canaveral, FL at 00:00Z on 2015-12-19The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -39 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
1317 m above ground
0-6 km bulk shear
53 kt
0-1 km storm-relative helicity
-39 m²/s²
0-3 km storm-relative helicity
-1 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted, in the capitals the NWS used until 2016.

628 
WHUS42 KMLB 190855
CFWMLB

COASTAL HAZARD MESSAGE
NATIONAL WEATHER SERVICE MELBOURNE FL
355 AM EST SAT DEC 19 2015

...ROUGH SURF AND A NORTH TO SOUTH FLOWING LONGSHORE CURRENT AT
AREA BEACHES TODAY...

FLZ047-054-059-064-141-147-200000-
/O.NEW.KMLB.BH.S.0021.151219T1200Z-151220T0000Z/
SOUTHERN BREVARD COUNTY-INDIAN RIVER-ST. LUCIE-MARTIN-
COASTAL VOLUSIA COUNTY-NORTHERN BREVARD COUNTY-
355 AM EST SAT DEC 19 2015

...BEACH HAZARDS STATEMENT IN EFFECT FROM 7 AM EST THIS MORNING
THROUGH THIS EVENING...

THE NATIONAL WEATHER SERVICE IN MELBOURNE HAS ISSUED A BEACH
HAZARDS STATEMENT FOR ROUGH SURF...WHICH IS IN EFFECT FROM 7 AM
EST THIS MORNING THROUGH THIS EVENING.

* HAZARDS...ROUGH SURF AND SOUTHWARD FLOWING LONGSHORE CURRENT.

* TIMING...FROM EARLY MORNING INTO EARLY EVENING.

* LOCATION...EAST CENTRAL FLORIDA BEACHES.

* POTENTIAL IMPACTS...STRONG WINDS FROM THE NORTH WILL RESULT IN
  LARGE WAVES AND STRONG CURRENTS MOVING FROM THE NORTH TO SOUTH.
  LIFE THREATENING RIP CURRENTS ARE ALSO POSSIBLE NEAR
  REEFS...PIERS AND JETTIES.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

$$

SEDLOCK

The office that day

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

IssuedProductOfficeCountiesLasted
Dec 19, 3:51 AM ESTLake Wind AdvisoryMLBOkeechobee, Orange, Osceola, Seminole, Volusia15 hr

Nearby

Beach Hazards Statements in Florida, 2015Every beach hazards statement in 2015

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.