Alert archive / Florida / Rip Current Statements in 2012

Rip Current Statement 34, NWS Miami, FL

November 18, 2012Broward County, Palm Beach County, Florida

NWS Miami, FL issued this rip current statement at Nov 18, 2012, 4:06 PM EST for Broward County, Palm Beach County, Florida. It was in force for 27 hr.

The area

The counties it named.

The facts

Issued
Nov 18, 2012, 4:06 PM EST (21:06 UTC)
Expired
Nov 19, 2012, 7:00 PM EST
In force
27 hr
Issued by
NWS Miami, FL

Counties Broward County, FL, Palm Beach County, FL

The radar

The Miami radar (KAMX), 88 km from the middle of the area, began a volume at 21:07 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, 9.1 hours before the alert went out and 66 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 2012-11-18Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 535 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 2012-11-18The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -32 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
535 J/kg
Mixed-layer CIN
-10 J/kg
Mixed-layer LCL
668 m above ground
0-6 km bulk shear
24 kt
0-1 km storm-relative helicity
-32 m²/s²
0-3 km storm-relative helicity
60 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.

307 
WHUS42 KMFL 182106
CFWMFL

COASTAL HAZARD MESSAGE
NATIONAL WEATHER SERVICE MIAMI FL
406 PM EST SUN NOV 18 2012

...HIGH RIP CURRENT RISK THROUGH MONDAY FOR PALM BEACH AND
BROWARD COUNTY BEACHES...

.THE COMBINATION OF A NORTHERLY SWELL AND WINDSWELL MIX ALONG
WITH MODERATE SURF HAS GENERATED STRONG RIP CURRENTS ALONG
PORTIONS OF THE SOUTHEAST FLORIDA COAST...ESPECIALLY NORTH OF
DEERFIELD BEACH ALONG THE PALM BEACH COUNTY COAST.

FLZ168-172-200000-
/O.NEW.KMFL.RP.S.0034.121118T2106Z-121120T0000Z/
COASTAL PALM BEACH-COASTAL BROWARD-
406 PM EST SUN NOV 18 2012

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

THE NATIONAL WEATHER SERVICE IN MIAMI HAS ISSUED A HIGH RIP
CURRENT RISK...WHICH IS IN EFFECT THROUGH MONDAY EVENING. 

* TIMING...THROUGH MONDAY EVENING.

* IMPACTS...MODERATE SURF AND STRONG RIP AND ALONGSHORE CURRENTS
  WILL LEAD TO HAZARDOUS SWIMMING CONDITIONS THROUGH AT LEAST
  MONDAY. 

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.

&&

$$

The office that day

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

IssuedProductOfficeCountiesLasted
Nov 18, 5:04 PM ESTSmall Craft AdvisoryMFL6 days

Nearby

Rip Current Statements in Florida, 2012Every rip current statement in 2012

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.