Alert archive / Florida / Rip Current Statements in 2021

Rip Current Statement 4, NWS Miami, FL

January 28, 2021Palm Beach County, Florida

NWS Miami, FL issued this rip current statement at Jan 28, 2021, 4:36 AM EST for Palm Beach County, Florida. It took effect at Jan 28, 2021, 10:00 AM EST. It was in force for 9 hr.

The area

The counties it named.

The facts

Issued
Jan 28, 2021, 4:36 AM EST (09:36 UTC)
In effect from
Jan 28, 2021, 10:00 AM EST
Expired
Jan 28, 2021, 7:00 PM EST
In force
9 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 09:35 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, 9.6 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 2021-01-28Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1 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, Miami, FL at 00:00Z on 2021-01-28The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 13 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
1 J/kg
Mixed-layer CIN
-12 J/kg
Mixed-layer LCL
1467 m above ground
0-6 km bulk shear
28 kt
0-1 km storm-relative helicity
13 m²/s²
0-3 km storm-relative helicity
40 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

108 
WHUS42 KMFL 280936
CFWMFL

Coastal Hazard Message
National Weather Service Miami FL
436 AM EST Thu Jan 28 2021

FLZ168-281745-
/O.NEW.KMFL.RP.S.0004.210128T1500Z-210129T0000Z/
Coastal Palm Beach-
436 AM EST Thu Jan 28 2021

...HIGH RIP CURRENT RISK IN EFFECT FROM 10 AM EST THIS MORNING
THROUGH THIS EVENING...

* WHAT...Dangerous rip currents expected.

* WHERE...Coastal Palm Beach County.

* WHEN...From 10 AM EST this morning 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
Jan 27, 11:31 PM ESTDense Fog AdvisoryMFLCollier, Glades, Hendry, Monroe8 hr
Jan 28, 2:59 AM ESTRed Flag WarningMFLBroward, Collier, Miami-Dade, Monroe13 hr
Jan 28, 3:01 AM ESTGale WarningMFL16 hr

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.