Alert archive / Florida / Rip Current Statements in 2021

Rip Current Statement 15, NWS Miami, FL

April 12, 2021Palm Beach County, Florida

NWS Miami, FL issued this rip current statement at Apr 12, 2021, 4:40 AM EDT for Palm Beach County, Florida. It was in force for 15 hr.

The area

The counties it named.

The facts

Issued
Apr 12, 2021, 4:40 AM EDT (08:40 UTC)
Expired
Apr 12, 2021, 8:00 PM EDT
In force
15 hr
Issued by
NWS Miami, FL

County Palm Beach County, FL

The radar

The Miami radar (KAMX), 115 km from the middle of the area, began a volume at 08:40 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

Miami, FL (KMFL), launched 00:00Z, 8.7 hours before the alert went out and 93 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, Miami, FL at 00:00Z on 2021-04-12Temperature 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°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Miami, FL at 00:00Z on 2021-04-12The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -285 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
877 m above ground
0-6 km bulk shear
75 kt
0-1 km storm-relative helicity
-285 m²/s²
0-3 km storm-relative helicity
-52 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

940 
WHUS42 KMFL 120840
CFWMFL

Coastal Hazard Message
National Weather Service Miami FL
440 AM EDT Mon Apr 12 2021

FLZ168-121645-
/O.NEW.KMFL.RP.S.0015.210412T0840Z-210413T0000Z/
Coastal Palm Beach-
440 AM EDT Mon Apr 12 2021

...HIGH RIP CURRENT RISK IN EFFECT THROUGH THIS EVENING...

* WHAT...Dangerous rip currents.

* WHERE...Coastal Palm Beach County.

* WHEN...Through this evening.

* IMPACTS...Rip currents can sweep even the best swimmers away 
  from shore into deeper water.


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 Miami, FL issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Apr 11, 10:02 PM EDTSpecial Weather StatementMFLCollier43 min
Apr 11, 11:28 PM EDTSpecial Marine WarningMFL47 min
Apr 12, 12:00 AM EDTSpecial Weather StatementMFLCollier45 min
Apr 12, 12:10 AM EDTSpecial Marine WarningMFL50 min
Apr 12, 12:23 AM EDTSpecial Weather StatementMFLCollier52 min
Apr 12, 12:58 AM EDTSpecial Marine WarningMFL32 min
Apr 12, 1:01 AM EDTSpecial Weather StatementMFLMiami-Dade44 min
Apr 12, 1:11 AM EDTSpecial Weather StatementMFLMonroe34 min
Apr 12, 1:27 AM EDTSpecial Weather StatementMFLMiami-Dade48 min
Apr 12, 7:00 AM EDTSpecial Weather StatementMFLPalm Beach45 min
Apr 12, 8:24 AM EDTSpecial Marine WarningMFL51 min
Apr 12, 3:33 PM EDTSpecial Weather StatementMFLBroward42 min
Apr 12, 4:15 PM EDTSpecial Weather StatementMFLMiami-Dade45 min

Nearby

Rip Current Statements in Florida, 2021Every rip current statement in 2021

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.