Alert archive / Florida / Rip Current Statements in 2012

Rip Current Statement 20, NWS Miami, FL

June 18, 2012Broward County, Miami-Dade County, Palm Beach County, Florida

NWS Miami, FL issued this rip current statement at Jun 18, 2012, 3:42 AM EDT for Broward County, Miami-Dade County, Palm Beach County, Florida. It took effect at Jun 18, 2012, 8:00 AM EDT. It was in force for 10 hr.

The area

The counties it named.

The facts

Issued: Jun 18, 2012, 3:42 AM EDT (07:42 UTC)
In effect from: Jun 18, 2012, 8:00 AM EDT
Expired: Jun 18, 2012, 6:00 PM EDT
In force: 10 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 07:45 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 00:00Z, 7.7 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-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

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: 3 J/kg
Mixed-layer CIN: -12 J/kg
Mixed-layer LCL: 1468 m above ground
0-6 km bulk shear: 15 kt
0-1 km storm-relative helicity: -48 m²/s²
0-3 km storm-relative helicity: -8 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.

880 
WHUS42 KMFL 180742
CFWMFL

COASTAL HAZARD MESSAGE
NATIONAL WEATHER SERVICE MIAMI FL
342 AM EDT MON JUN 18 2012

...HIGH RISK OF RIP CURRENTS ATLANTIC BEACHES TODAY...

FLZ168-172-173-182200-
/O.NEW.KMFL.RP.S.0020.120618T1200Z-120618T2200Z/
COASTAL PALM BEACH-COASTAL BROWARD-COASTAL MIAMI DADE-
342 AM EDT MON JUN 18 2012

...HIGH RIP CURRENT RISK IN EFFECT FROM 8 AM EDT THIS MORNING
THROUGH THIS AFTERNOON...

THE NATIONAL WEATHER SERVICE IN MIAMI HAS ISSUED A HIGH RIP
CURRENT RISK...WHICH IS IN EFFECT FROM 8 AM EDT THIS MORNING
THROUGH THIS AFTERNOON. 

* TIMING...STRONG ONSHORE FLOW WILL RESULT IN DANGEROUS RIP
  CURRENTS THROUGH EARLY THIS EVENING AT THE BEACHES OF MIAMI
  DADE...BROWARD...AND PALM BEACH COUNTIES. RIP CURRENTS WILL 
  OCCUR MOSTLY AT MID AFTERNOON AT THE TIME OF LOW TIDES.  

* IMPACTS...DANGEROUS RIP CURRENTS CAN BE LIFE THREATENING TO
  ANYONE ENTERING THE WATER. SWIMMING IS NOT ADVISED THROUGH THIS
  PERIOD. 

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.

&&

$$

Nearby

Rip Current Statements in Florida, 2012 Every 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.