Alert archive / Florida / Rip Current Statements in 2011

Rip Current Statement 17, NWS Miami, FL

November 11, 2011Palm Beach County, Florida

NWS Miami, FL issued this rip current statement at Nov 11, 2011, 10:29 AM EST for Palm Beach County, Florida. It was in force for 21 hr.

The area

The counties it named.

The facts

Issued
Nov 11, 2011, 10:29 AM EST (15:29 UTC)
Expired
Nov 12, 2011, 7:00 AM EST
In force
21 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 15:26 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, 3.5 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 2011-11-11Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 5 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 2011-11-11The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -31 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
5 J/kg
Mixed-layer CIN
-43 J/kg
Mixed-layer LCL
667 m above ground
0-6 km bulk shear
50 kt
0-1 km storm-relative helicity
-31 m²/s²
0-3 km storm-relative helicity
20 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted, in the capitals the NWS used until 2016.

678 
WHUS42 KMFL 111529
CFWMFL

COASTAL HAZARD MESSAGE
NATIONAL WEATHER SERVICE MIAMI FL
1029 AM EST FRI NOV 11 2011

...HIGH RISK OF RIP CURRENTS PALM BEACH COUNTY BEACHES...

FLZ168-112330-
/O.NEW.KMFL.RP.S.0017.111111T1529Z-111112T1200Z/
COASTAL PALM BEACH-
1029 AM EST FRI NOV 11 2011

...RIP CURRENT RISK IN EFFECT THROUGH EARLY SATURDAY MORNING...

* TIMING...LINGERING NORTHEAST SWELL OF 2 TO 3 FEET, COMBINED WITH
  INCREASING NORTHERLY WINDS BECOMING NORTHEASTERLY AND LOW TIDE
  IN THE AFTERNOON, LEAD TO A HIGH RISK OF RIP CURRENTS AT THE
  BEACHES OF PALM BEACH COUNTY.

* IMPACTS...DANGEROUS RIP CURRENTS WILL REMAIN AN ONGOING THREAT
  ALONG THE ATLANTIC COAST BEACHES OF PALM BEACH COUNTY THROUGH
  EARLY SATURDAY. 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 JETTIES AND
PIERS. HEED THE ADVICE OF LIFEGUARDS AND THE BEACH PATROL. PAY
ATTENTION TO FLAGS AND POSTED SIGNS.

IF YOU BECOME CAUGHT IN A RIP CURRENT...DO NOT PANIC. REMAIN
CALM AND BEGIN TO SWIM PARALLEL TO SHORE. ONCE YOU ARE AWAY FROM
THE FORCE OF THE RIP CURRENT...BEGIN TO SWIM BACK TO THE BEACH.
DO NOT ATTEMPT TO SWIM DIRECTLY AGAINST A RIP CURRENT. EVEN A
STRONG SWIMMER CAN BECOME EXHAUSTED QUICKLY.

&&

$$


PLEASE VISIT THE FOLLOWING WEBSITE TO SHARE YOUR THOUGHTS ON THE
NEW RIP CURRENT HAZARD...

HTTP://WWW.WEATHER.GOV/SURVEY/NWS-SURVEY.PHP?CODE=RCVTECCHM
1 follow-up statement
402 
WHUS42 KMFL 112251
CFWMFL

COASTAL HAZARD MESSAGE
NATIONAL WEATHER SERVICE MIAMI FL
551 PM EST FRI NOV 11 2011

...HIGH RISK OF RIP CURRENTS PALM BEACH COUNTY BEACHES...

FLZ168-121200-
/O.CON.KMFL.RP.S.0017.000000T0000Z-111112T1200Z/
COASTAL PALM BEACH-
551 PM EST FRI NOV 11 2011

...RIP CURRENT RISK REMAINS IN EFFECT THROUGH SATURDAY MORNING...

* TIMING...LINGERING NORTHEAST SWELL OF 2 TO 3 FEET... COMBINED
  WITH INCREASING NORTHERLY WINDS BECOMING NORTHEASTERLY AND LOW
  TIDE TONIGHT... LEAD TO A HIGH RISK OF RIP CURRENTS AT THE
  BEACHES OF PALM BEACH COUNTY.

* IMPACTS...DANGEROUS RIP CURRENTS WILL REMAIN AN ONGOING THREAT
  ALONG THE ATLANTIC COAST BEACHES OF PALM BEACH COUNTY THROUGH
  EARLY SATURDAY. THE BEST TIME FOR RIP CURRENTS WILL BE BETWEEN 1
  AND 3 AM EST TONIGHT. SWIMMING IS NOT ADVISED ALONG THE BEACHES
  OF PALM BEACH COUNTY.

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 JETTIES AND
PIERS. HEED THE ADVICE OF LIFEGUARDS AND THE BEACH PATROL. PAY
ATTENTION TO FLAGS AND POSTED SIGNS.

IF YOU BECOME CAUGHT IN A RIP CURRENT...DO NOT PANIC. REMAIN CALM
AND BEGIN TO SWIM PARALLEL TO SHORE. ONCE YOU ARE AWAY FROM THE
FORCE OF THE RIP CURRENT...BEGIN TO SWIM BACK TO THE BEACH. DO
NOT ATTEMPT TO SWIM DIRECTLY AGAINST A RIP CURRENT. EVEN A STRONG
SWIMMER CAN BECOME EXHAUSTED QUICKLY.

&&

$$


PLEASE VISIT THE FOLLOWING WEBSITE TO SHARE YOUR THOUGHTS ON THE
NEW RIP CURRENT HAZARD...

HTTP://WWW.WEATHER.GOV/SURVEY/NWS-SURVEY.PHP?CODE=RCVTECCHM

Nearby

Rip Current Statements in Florida, 2011Every rip current statement in 2011

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.