Alert archive / Florida / Rip Current Statements in 2018

Rip Current Statement 32, NWS Miami, FL

October 17, 2018Broward County, Miami-Dade County, Palm Beach County, Florida

NWS Miami, FL issued this rip current statement at Oct 17, 2018, 2:43 AM EDT for Broward County, Miami-Dade County, Palm Beach County, Florida. It was in force for 17 hr.

The area

The counties it named.

The facts

Issued
Oct 17, 2018, 2:43 AM EDT (06:43 UTC)
Expired
Oct 17, 2018, 8:00 PM EDT
In force
17 hr
Issued by
NWS Miami, FL

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

The nearest sounding before it

Miami, FL (KMFL), launched 00:00Z, 6.7 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 2018-10-17Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1314 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 2018-10-17The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 38 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
1314 J/kg
Mixed-layer CIN
-3 J/kg
Mixed-layer LCL
853 m above ground
0-6 km bulk shear
13 kt
0-1 km storm-relative helicity
38 m²/s²
0-3 km storm-relative helicity
41 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

587 
WHUS42 KMFL 170643
CFWMFL

URGENT - IMMEDIATE BROADCAST REQUESTED
Coastal Hazard Message
National Weather Service Miami FL
243 AM EDT Wed Oct 17 2018

FLZ168-172-173-172100-
/O.NEW.KMFL.RP.S.0032.181017T0643Z-181018T0000Z/
Coastal Palm Beach-Coastal Broward-Coastal Miami-Dade-
243 AM EDT Wed Oct 17 2018

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

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

* TIMING...Through this evening.

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

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
1 follow-up statement
943 
WHUS42 KMFL 171545
CFWMFL

URGENT - IMMEDIATE BROADCAST REQUESTED
Coastal Hazard Message
National Weather Service Miami FL
1145 AM EDT Wed Oct 17 2018

FLZ168-172-173-180000-
/O.CON.KMFL.RP.S.0032.000000T0000Z-181018T0000Z/
Coastal Palm Beach-Coastal Broward-Coastal Miami-Dade-
1145 AM EDT Wed Oct 17 2018

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

* TIMING...Through this evening.

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

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.