Alert archive / Florida / Beach Hazards Statements in 2023

Beach Hazards Statement 13, NWS Melbourne, FL

August 20, 20235 counties in Florida

NWS Melbourne, FL issued this beach hazards statement at Aug 20, 2023, 4:25 AM EDT for 5 counties in Florida. It took effect at Aug 20, 2023, 7:00 AM EDT. It was in force for 45 hr.

The area

The counties it named.

The facts

Issued
Aug 20, 2023, 4:25 AM EDT (08:25 UTC)
In effect from
Aug 20, 2023, 7:00 AM EDT
Expired
Aug 22, 2023, 4:00 AM EDT
In force
45 hr
Issued by
NWS Melbourne, FL

Counties Brevard County, FL, Indian River County, FL, Martin County, FL, Saint Lucie County, FL, Volusia County, FL

The radar

The Melbourne radar (KMLB), 23 km from the middle of the area, began a volume at 08:26 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 65 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 2023-08-20Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1030 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 2023-08-20The 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
1030 J/kg
Mixed-layer CIN
-22 J/kg
Mixed-layer LCL
1052 m above ground
0-6 km bulk shear
10 kt
0-1 km storm-relative helicity
-31 m²/s²
0-3 km storm-relative helicity
49 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

555 
WHUS42 KMLB 200825
CFWMLB

Coastal Hazard Message
National Weather Service Melbourne FL
425 AM EDT Sun Aug 20 2023

FLZ141-154-159-164-347-447-647-747-210800-
/O.NEW.KMLB.BH.S.0013.230820T1100Z-230821T0800Z/
Coastal Volusia-Coastal Indian River-Coastal Saint Lucie-
Coastal Martin-Mainland Northern Brevard-
Northern Brevard Barrier Islands-Mainland Southern Brevard-
Southern Brevard Barrier Islands-
425 AM EDT Sun Aug 20 2023

...BEACH HAZARDS STATEMENT IN EFFECT FROM 7 AM EDT THIS MORNING
THROUGH LATE TONIGHT...

* WHAT...Breezy onshore winds will produce rough surf and a Moderate
  risk of life threatening rip currents.

* WHERE...Along the beaches of Volusia, Brevard, Indian River, 
  Saint Lucie and Martin Counties.

* WHEN...Through late tonight.

* IMPACTS...Rough surf and strong currents will make swimming
  conditions hazardous.


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
155 
WHUS42 KMLB 210725
CFWMLB

Coastal Hazard Message
National Weather Service Melbourne FL
325 AM EDT Mon Aug 21 2023

FLZ141-154-159-164-347-447-647-747-220800-
/O.EXT.KMLB.BH.S.0013.000000T0000Z-230822T0800Z/
Coastal Volusia-Coastal Indian River-Coastal Saint Lucie-
Coastal Martin-Mainland Northern Brevard-
Northern Brevard Barrier Islands-Mainland Southern Brevard-
Southern Brevard Barrier Islands-
325 AM EDT Mon Aug 21 2023

...BEACH HAZARDS STATEMENT NOW IN EFFECT THROUGH LATE TONIGHT...

* WHAT...Breezy onshore winds will produce rough surf and a 
  Moderate risk of life threatening rip currents.

* WHERE...Along the beaches of Volusia, Brevard, Indian River, 
  Saint Lucie and Martin Counties.

* WHEN...Through late tonight.

* IMPACTS...Rough surf and strong currents will make swimming 
  conditions hazardous.

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 Melbourne, FL issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Aug 20, 11:47 AM EDTSpecial Weather StatementMLBBrevard28 min
Aug 20, 12:00 PM EDTSpecial Weather StatementMLBOsceola45 min
Aug 20, 12:14 PM EDTSpecial Weather StatementMLBBrevard31 min
Aug 20, 12:37 PM EDTSpecial Weather StatementMLBOrange53 min
Aug 20, 12:40 PM EDTSpecial Weather StatementMLBLake35 min

Nearby

Beach Hazards Statements in Florida, 2023Every beach hazards statement in 2023

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.