Alert archive / Florida / Rip Current Statements in 2018

Rip Current Statement 42, NWS Miami, FL

December 11, 2018Broward County, Miami-Dade County, Palm Beach County, Florida

NWS Miami, FL issued this rip current statement at Dec 11, 2018, 3:58 PM EST for Broward County, Miami-Dade County, Palm Beach County, Florida. It took effect at Dec 12, 2018, 7:00 AM EST. It was in force for 36 hr.

The area

The counties it named.

The facts

Issued
Dec 11, 2018, 3:58 PM EST (20:58 UTC)
In effect from
Dec 12, 2018, 7:00 AM EST
Expired
Dec 13, 2018, 7:00 PM EST
In force
36 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 20:57 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, 9.0 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 2018-12-11Temperature 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°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Miami, FL at 12:00Z on 2018-12-11The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -208 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
943 m above ground
0-6 km bulk shear
66 kt
0-1 km storm-relative helicity
-208 m²/s²
0-3 km storm-relative helicity
-1 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

839 
WHUS42 KMFL 112058
CFWMFL

URGENT - IMMEDIATE BROADCAST REQUESTED
Coastal Hazard Message
National Weather Service Miami FL
358 PM EST Tue Dec 11 2018

FLZ168-120900-
/O.NEW.KMFL.RP.S.0042.181212T1200Z-181213T0000Z/
Coastal Palm Beach-
358 PM EST Tue Dec 11 2018

...HIGH RIP CURRENT RISK IN EFFECT FROM WEDNESDAY MORNING THROUGH
WEDNESDAY EVENING...

The National Weather Service in Miami has issued a High Rip
Current Risk, which is in effect from Wednesday morning through
Wednesday evening. 

* TIMING...Wednesday

* IMPACTS...Life threatening rip currents will pose a hazard to
  swimmers. Heed the advice of lifeguards and swimming is not
  recommended.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

There is a high risk of rip currents.

Rip currents are powerful channels of water flowing quickly away
from shore, which occur most often at low spots or breaks in the
sandbar and in the vicinity of structures such as groins, jetties
and piers. Heed the advice of lifeguards, beach patrol flags and
signs.

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.

&&

$$


http://www.weather.gov/miami
5 follow-up statements
051 
WHUS42 KMFL 120836
CFWMFL

URGENT - IMMEDIATE BROADCAST REQUESTED
Coastal Hazard Message
National Weather Service Miami FL
336 AM EST Wed Dec 12 2018


FLZ168-121645-
/O.EXT.KMFL.RP.S.0042.181212T1200Z-181214T0000Z/
Coastal Palm Beach-
336 AM EST Wed Dec 12 2018

...HIGH RIP CURRENT RISK NOW IN EFFECT FROM 7 AM EST THIS MORNING
THROUGH THURSDAY EVENING...

* TIMING...through Thursday evening

* IMPACTS...Life threatening rip currents will pose a hazard to 
  swimmers. Heed the advice of lifeguards and swimming is not 
  recommended. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

There is a high risk of rip currents.

Rip currents are powerful channels of water flowing quickly away
from shore, which occur most often at low spots or breaks in the
sandbar and in the vicinity of structures such as groins, jetties
and piers. Heed the advice of lifeguards, beach patrol flags and
signs.

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.

&&

$$


http://www.weather.gov/miami
633 
WHUS42 KMFL 121352
CFWMFL

URGENT - IMMEDIATE BROADCAST REQUESTED
Coastal Hazard Message
National Weather Service Miami FL
852 AM EST Wed Dec 12 2018

FLZ172-173-131100-
/O.EXA.KMFL.RP.S.0042.000000T0000Z-181214T0000Z/
Coastal Broward-Coastal Miami-Dade-
852 AM EST Wed Dec 12 2018

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

The National Weather Service in Miami has issued a High Rip
Current Risk, which is in effect through Thursday evening. 

* TIMING...through Thursday evening

* IMPACTS...Life threatening rip currents will pose a hazard to 
  swimmers. Heed the advice of lifeguards and swimming is not 
  recommended. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

There is a high risk of rip currents.

Rip currents are powerful channels of water flowing quickly away
from shore, which occur most often at low spots or breaks in the
sandbar and in the vicinity of structures such as groins, jetties
and piers. Heed the advice of lifeguards, beach patrol flags and
signs.

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.

&&

$$

FLZ168-131100-
/O.CON.KMFL.RP.S.0042.000000T0000Z-181214T0000Z/
Coastal Palm Beach-
852 AM EST Wed Dec 12 2018

...HIGH RIP CURRENT RISK REMAINS IN EFFECT THROUGH THURSDAY
EVENING...

* TIMING...through Thursday evening

* IMPACTS...Life threatening rip currents will pose a hazard to 
  swimmers. Heed the advice of lifeguards and swimming is not 
  recommended. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

There is a high risk of rip currents.

Rip currents are powerful channels of water flowing quickly away
from shore, which occur most often at low spots or breaks in the
sandbar and in the vicinity of structures such as groins, jetties
and piers. Heed the advice of lifeguards, beach patrol flags and
signs.

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.

&&

$$


http://www.weather.gov/miami
874 
WHUS42 KMFL 122031
CFWMFL

URGENT - IMMEDIATE BROADCAST REQUESTED
Coastal Hazard Message
National Weather Service Miami FL
331 PM EST Wed Dec 12 2018

FLZ168-172-173-131100-
/O.CON.KMFL.RP.S.0042.000000T0000Z-181214T0000Z/
Coastal Palm Beach-Coastal Broward-Coastal Miami-Dade-
331 PM EST Wed Dec 12 2018

...HIGH RIP CURRENT RISK REMAINS IN EFFECT THROUGH THURSDAY
EVENING...

* TIMING...through Thursday evening

* IMPACTS...Life threatening rip currents will pose a hazard to 
  swimmers. Heed the advice of lifeguards and swimming is not 
  recommended. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

There is a high risk of rip currents.

Rip currents are powerful channels of water flowing quickly away
from shore, which occur most often at low spots or breaks in the
sandbar and in the vicinity of structures such as groins, jetties
and piers. Heed the advice of lifeguards, beach patrol flags and
signs.

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.

&&

$$


http://www.weather.gov/miami
822 
WHUS42 KMFL 130841
CFWMFL

Coastal Hazard Message
National Weather Service Miami FL
341 AM EST Thu Dec 13 2018


FLZ168-172-173-131645-
/O.CON.KMFL.RP.S.0042.000000T0000Z-181214T0000Z/
Coastal Palm Beach-Coastal Broward-Coastal Miami-Dade-
341 AM EST Thu Dec 13 2018

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

* TIMING...through Thursday evening

* IMPACTS...Life threatening rip currents will pose a hazard to 
  swimmers. Heed the advice of lifeguards and swimming is not 
  recommended. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

There is a high risk of rip currents.

Rip currents are powerful channels of water flowing quickly away
from shore, which occur most often at low spots or breaks in the
sandbar and in the vicinity of structures such as groins, jetties
and piers. Heed the advice of lifeguards, beach patrol flags and
signs.

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.

&&

$$
255 
WHUS42 KMFL 132153
CFWMFL

URGENT - IMMEDIATE BROADCAST REQUESTED
Coastal Hazard Message
National Weather Service Miami FL
453 PM EST Thu Dec 13 2018

FLZ168-172-173-140000-
/O.CON.KMFL.RP.S.0042.000000T0000Z-181214T0000Z/
Coastal Palm Beach-Coastal Broward-Coastal Miami-Dade-
453 PM EST Thu Dec 13 2018

...HIGH RIP CURRENT RISK REMAINS IN EFFECT UNTIL 7 PM EST THIS
EVENING...

* TIMING...Through this evening

* IMPACTS...Life threatening rip currents will pose a hazard to 
  swimmers. Heed the advice of lifeguards and swimming is not 
  recommended. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

There is a high risk of rip currents.

Rip currents are powerful channels of water flowing quickly away
from shore, which occur most often at low spots or breaks in the
sandbar and in the vicinity of structures such as groins, jetties
and piers. Heed the advice of lifeguards, beach patrol flags and
signs.

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.

&&

$$


http://www.weather.gov/miami

Nearby

Rip Current Statements in Florida, 2018Every rip current statement in 2018

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.