Alert archive / Florida / Beach Hazards Statements in 2020

Beach Hazards Statement 24, NWS Melbourne, FL

August 23, 2020Volusia County, Florida

NWS Melbourne, FL issued this beach hazards statement at Aug 23, 2020, 3:48 AM EDT for Volusia County, Florida. It took effect at Aug 23, 2020, 4:00 AM EDT. It was in force for 16 hr.

The area

The counties it named.

The facts

Issued
Aug 23, 2020, 3:48 AM EDT (07:48 UTC)
In effect from
Aug 23, 2020, 4:00 AM EDT
Expired
Aug 23, 2020, 8:00 PM EDT
In force
16 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 07:50 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, 7.8 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 2020-08-23Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1185 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 2020-08-23The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 39 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
1185 J/kg
Mixed-layer CIN
-6 J/kg
Mixed-layer LCL
935 m above ground
0-6 km bulk shear
34 kt
0-1 km storm-relative helicity
39 m²/s²
0-3 km storm-relative helicity
62 m²/s²
Significant tornado parameter
0.2
Supercell composite
1.5

Open this sounding in Storm Lab

The text

As transmitted.

155 
WHUS42 KMLB 230748
CFWMLB

Coastal Hazard Message
National Weather Service Melbourne FL
348 AM EDT Sun Aug 23 2020

FLZ047-054-059-064-141-147-240000-
/O.NEW.KMLB.BH.S.0024.200823T0800Z-200824T0000Z/
Southern Brevard-Indian River-St. Lucie-Martin-Coastal Volusia-
Northern Brevard-
348 AM EDT Sun Aug 23 2020

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

* WHAT...Strong northward-flowing ocean current parallel to the
  beach. A Moderate risk of life-threatening rip currents at area
  beaches.

* WHERE...Southern Brevard, Indian River, St. Lucie, Martin, 
  Coastal Volusia and Northern Brevard Counties.

* WHEN...Through this evening.

* IMPACTS...Longshore currents can knock swimmers off the sandbar
  into deeper water and make them more susceptible to rip  
  currents. 

* ADDITIONAL DETAILS...Swim only within sight of a lifeguard and
  never try to swim directly against currents that occur at the
  beaches.

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 23, 3:46 AM EDTSmall Craft AdvisoryMLB49 hr
Aug 23, 7:38 PM EDTSpecial Marine WarningMLB2 hr

Nearby

Beach Hazards Statements in Florida, 2020Every beach hazards statement in 2020

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.