Alert archive / Florida / Rip Current Statements in 2021

Rip Current Statement 12, NWS Miami, FL

March 31, 2021Broward County, Miami-Dade County, Palm Beach County, Florida

NWS Miami, FL issued this rip current statement at Mar 31, 2021, 2:25 AM EDT for Broward County, Miami-Dade County, Palm Beach County, Florida. It was in force for 18 hr.

The area

The counties it named.

The facts

Issued
Mar 31, 2021, 2:25 AM EDT (06:25 UTC)
Expired
Mar 31, 2021, 8:00 PM EDT
In force
18 hr
Issued by
NWS Miami, FL

Counties Broward County, FL, Miami-Dade County, FL, Palm Beach County, FL

The radar

The Miami radar (KAMX), 59 km from the middle of the area, began a volume at 06:22 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, 6.4 hours before the alert went out and 39 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 2021-03-31Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 414 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, Miami, FL at 00:00Z on 2021-03-31The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 19 square meters per square second.19395878Sfc1 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
414 J/kg
Mixed-layer CIN
-34 J/kg
Mixed-layer LCL
1060 m above ground
0-6 km bulk shear
20 kt
0-1 km storm-relative helicity
19 m²/s²
0-3 km storm-relative helicity
29 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.2

Open this sounding in Storm Lab

The text

As transmitted.

950 
WHUS42 KMFL 310625
CFWMFL

Coastal Hazard Message
National Weather Service Miami FL
225 AM EDT Wed Mar 31 2021

FLZ168-172-173-010000-
/O.NEW.KMFL.RP.S.0012.210331T0625Z-210401T0000Z/
Coastal Palm Beach-Coastal Broward-Coastal Miami-Dade-
225 AM EDT Wed Mar 31 2021

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

* WHAT...Dangerous rip currents.

* WHERE...Coastal Palm Beach, Coastal Broward and Coastal Miami- 
  Dade Counties.

* 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.

&&

$$

Fell
2 follow-up statements
741 
WHUS42 KMFL 311403
CFWMFL

Coastal Hazard Message
National Weather Service Miami FL
1003 AM EDT Wed Mar 31 2021

FLZ168-172-173-312215-
/O.CON.KMFL.RP.S.0012.000000T0000Z-210401T0000Z/
Coastal Palm Beach-Coastal Broward-Coastal Miami-Dade-
1003 AM EDT Wed Mar 31 2021

...HIGH RIP CURRENT RISK REMAINS IN EFFECT UNTIL 8 PM EDT THIS
EVENING...

* WHAT...Dangerous rip currents.

* WHERE...Coastal Broward, Coastal Palm Beach and Coastal Miami- 
  Dade Counties.

* WHEN...Until 8 PM EDT 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.

&&

$$
494 
WHUS42 KMFL 312348
CFWMFL

Coastal Hazard Message
National Weather Service Miami FL
748 PM EDT Wed Mar 31 2021

FLZ168-172-173-010100-
/O.EXP.KMFL.RP.S.0012.000000T0000Z-210401T0000Z/
Coastal Palm Beach-Coastal Broward-Coastal Miami-Dade-
748 PM EDT Wed Mar 31 2021

...HIGH RIP CURRENT RISK WILL EXPIRE AT 8 PM EDT THIS EVENING...

Swimmers should continue to heed all lifeguard instructions along
the Atlantic beaches of South Florida as a moderate risk of rip 
currents remains tonight.

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
Mar 31, 3:51 PM EDTSmall Craft AdvisoryMFL4 days

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.