Alert archive / Florida / Beach Hazards Statements in 2015

Beach Hazards Statement 20, NWS Melbourne, FL

December 13, 2015Volusia County, Florida

NWS Melbourne, FL issued this beach hazards statement at Dec 13, 2015, 4:04 AM EST for Volusia County, Florida. It took effect at Dec 13, 2015, 10:00 AM EST. It was in force for 18 hr.

The area

The counties it named.

The facts

Issued
Dec 13, 2015, 4:04 AM EST (09:04 UTC)
In effect from
Dec 13, 2015, 10:00 AM EST
Expired
Dec 14, 2015, 4:00 AM EST
In force
18 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 09:07 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, 9.1 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 2015-12-13Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 17 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, Cape Canaveral, FL at 00:00Z on 2015-12-13The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -13 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
17 J/kg
Mixed-layer CIN
-8 J/kg
Mixed-layer LCL
957 m above ground
0-6 km bulk shear
9 kt
0-1 km storm-relative helicity
-13 m²/s²
0-3 km storm-relative helicity
54 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.

743 
WHUS42 KMLB 130904
CFWMLB

COASTAL HAZARD MESSAGE
NATIONAL WEATHER SERVICE MELBOURNE FL
404 AM EST SUN DEC 13 2015

FLZ047-054-059-064-141-147-140900-
/O.NEW.KMLB.BH.S.0020.151213T1500Z-151214T0900Z/
SOUTHERN BREVARD COUNTY-INDIAN RIVER-ST. LUCIE-MARTIN-
COASTAL VOLUSIA COUNTY-NORTHERN BREVARD COUNTY-
404 AM EST SUN DEC 13 2015

...BEACH HAZARDS STATEMENT IN EFFECT FROM 10 AM EST THIS MORNING
THROUGH LATE TONIGHT...

THE NATIONAL WEATHER SERVICE IN MELBOURNE HAS ISSUED A BEACH
HAZARDS STATEMENT FOR ROUGH SURF...WHICH IS IN EFFECT FROM 10 AM
EST THIS MORNING THROUGH LATE TONIGHT.

* HAZARDS...ROUGH SURF AND DANGEROUS RIP CURRENTS.

* TIMING...FROM LATE MORNING INTO TONIGHT.

* LOCATION...EAST CENTRAL FLORIDA BEACHES.

* POTENTIAL IMPACTS...HEAVY BREAKING WAVES CAN KNOCK YOU DOWN AND
  MAKE YOU SUSCEPTIBLE TO SEAWARD FLOWING RIP CURRENTS.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A BEACH HAZARDS STATEMENT IS ISSUED WHEN THREATS SUCH AS RIP
CURRENTS...LONGSHORE CURRENTS...ROUGH SURF AND OTHER HAZARDS
CREATE LIFE-THREATENING CONDITIONS IN THE SURF ZONE. CAUTION
SHOULD BE USED WHEN IN OR NEAR THE WATER. CHECK WITH LIFEGUARDS
ABOUT HAZARDS BEFORE ENTERING THE SURF.

&&

$$

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.