Alert archive / Florida / Rip Current Statements in 2017

Rip Current Statement 46, NWS Miami, FL

December 29, 2017Palm Beach County, Florida

NWS Miami, FL issued this rip current statement at Dec 29, 2017, 5:56 PM EST for Palm Beach County, Florida. It was in force for 25 hr.

The area

The counties it named.

The facts

Issued
Dec 29, 2017, 5:56 PM EST (22:56 UTC)
Expired
Dec 30, 2017, 7:00 PM EST
In force
25 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 22:58 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, 10.9 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 12:00Z on 2017-12-29Temperature 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 2017-12-29The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 3 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
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
1178 m above ground
0-6 km bulk shear
34 kt
0-1 km storm-relative helicity
3 m²/s²
0-3 km storm-relative helicity
17 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

324 
WHUS42 KMFL 292256
CFWMFL

URGENT - IMMEDIATE BROADCAST REQUESTED
Coastal Hazard Message
National Weather Service Miami FL
556 PM EST Fri Dec 29 2017

FLZ168-310000-
/O.NEW.KMFL.RP.S.0046.171229T2256Z-171231T0000Z/
Coastal Palm Beach-
556 PM EST Fri Dec 29 2017

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

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

* TIMING...through at least Saturday evening.

* IMPACTS...strong Rip Currents are forecast to occur along the
  Palm Beaches, which will be hazardous for those in the surf 
  zone.

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
2 follow-up statements
090 
WHUS42 KMFL 300857
CFWMFL

URGENT - IMMEDIATE BROADCAST REQUESTED
Coastal Hazard Message
National Weather Service Miami FL
357 AM EST Sat Dec 30 2017

FLZ168-310000-
/O.CON.KMFL.RP.S.0046.000000T0000Z-171231T0000Z/
Coastal Palm Beach-
357 AM EST Sat Dec 30 2017

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

* TIMING...Through this evening.

* IMPACTS...Strong rip currents are forecast to occur along the 
  Palm Beaches, which will be hazardous for those in the surf 
  zone. 

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
942 
WHUS42 KMFL 302105
CFWMFL

URGENT - IMMEDIATE BROADCAST REQUESTED
Coastal Hazard Message
National Weather Service Miami FL
405 PM EST Sat Dec 30 2017


FLZ168-310000-
/O.CON.KMFL.RP.S.0046.000000T0000Z-171231T0000Z/
Coastal Palm Beach-
405 PM EST Sat Dec 30 2017

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

* TIMING...Through this evening.

* IMPACTS...Strong rip currents are forecast to occur along the 
  Palm Beaches, which will be hazardous for those in the surf 
  zone. 

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

The office that day

Everything else NWS Miami, FL issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Dec 29, 7:40 AM ESTDense Fog AdvisoryMFLBroward, Collier, Glades, Hendry, Miami-Dade, Palm Beach2 hr

Nearby

Rip Current Statements in Florida, 2017Every rip current statement in 2017

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.