Alert archive / Florida / Rip Current Statements in 2021

Rip Current Statement 31, NWS Miami, FL

August 27, 2021Broward County, Miami-Dade County, Palm Beach County, Florida

NWS Miami, FL issued this rip current statement at Aug 27, 2021, 3:15 PM EDT for Broward County, Miami-Dade County, Palm Beach County, Florida. It was in force for 35 hr.

The area

The counties it named.

The facts

Issued
Aug 27, 2021, 3:15 PM EDT (19:15 UTC)
Expired
Aug 29, 2021, 2:00 AM EDT
In force
35 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 19:18 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 12:00Z, 7.3 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 12:00Z on 2021-08-27Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 734 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 12:00Z on 2021-08-27The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 40 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
734 J/kg
Mixed-layer CIN
-33 J/kg
Mixed-layer LCL
1036 m above ground
0-6 km bulk shear
16 kt
0-1 km storm-relative helicity
40 m²/s²
0-3 km storm-relative helicity
57 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

960 
WHUS42 KMFL 271915
CFWMFL

Coastal Hazard Message
National Weather Service Miami FL
315 PM EDT Fri Aug 27 2021

FLZ168-172-173-280315-
/O.NEW.KMFL.RP.S.0031.210827T1915Z-210829T0000Z/
Coastal Palm Beach-Coastal Broward-Coastal Miami-Dade-
315 PM EDT Fri Aug 27 2021

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

* WHAT...Dangerous rip currents.

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

* WHEN...Through Saturday 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.

&&

$$
3 follow-up statements
594 
WHUS42 KMFL 280731
CFWMFL

Coastal Hazard Message
National Weather Service Miami FL
331 AM EDT Sat Aug 28 2021

FLZ168-172-173-281545-
/O.CON.KMFL.RP.S.0031.000000T0000Z-210829T0000Z/
Coastal Palm Beach-Coastal Broward-Coastal Miami-Dade-
331 AM EDT Sat Aug 28 2021

...HIGH RIP CURRENT RISK REMAINS 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.

&&

$$
612 
WHUS42 KMFL 281258
CFWMFL

Coastal Hazard Message
National Weather Service Miami FL
858 AM EDT Sat Aug 28 2021

FLZ168-172-173-290000-
/O.CON.KMFL.RP.S.0031.000000T0000Z-210829T0000Z/
Coastal Palm Beach-Coastal Broward-Coastal Miami-Dade-
858 AM EDT Sat Aug 28 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.

&&

$$
140 
WHUS42 KMFL 281846
CFWMFL

Coastal Hazard Message
National Weather Service Miami FL
246 PM EDT Sat Aug 28 2021

FLZ168-172-173-290600-
/O.EXT.KMFL.RP.S.0031.000000T0000Z-210829T0600Z/
Coastal Palm Beach-Coastal Broward-Coastal Miami-Dade-
246 PM EDT Sat Aug 28 2021

...HIGH RIP CURRENT RISK NOW IN EFFECT UNTIL 2 AM EDT SUNDAY...

* WHAT...Dangerous rip currents.

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

* WHEN...Until 2 AM EDT Sunday.

* 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
Aug 27, 5:56 AM EDTSpecial Marine WarningMFL34 min
Aug 27, 6:03 AM EDTSpecial Weather StatementMFLPalm Beach27 min
Aug 27, 9:19 AM EDTSmall Craft AdvisoryMFL41 hr
Aug 27, 1:46 PM EDTSpecial Marine WarningMFL44 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.