Alert archive / Florida / Rip Current Statements in 2012

Rip Current Statement 24, NWS Miami, FL

August 24, 2012Broward County, Miami-Dade County, Palm Beach County, Florida

NWS Miami, FL issued this rip current statement at Aug 24, 2012, 5:31 PM EDT for Broward County, Miami-Dade County, Palm Beach County, Florida. It took effect at Aug 24, 2012, 8:00 PM EDT. It was in force for 48 hr.

The area

The counties it named.

The facts

Issued
Aug 24, 2012, 5:31 PM EDT (21:31 UTC)
In effect from
Aug 24, 2012, 8:00 PM EDT
Expired
Aug 26, 2012, 8:00 PM EDT
In force
48 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 21:31 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, 9.5 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 12:00Z on 2012-08-24Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 2430 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 2012-08-24The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 10 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
2430 J/kg
Mixed-layer CIN
-6 J/kg
Mixed-layer LCL
740 m above ground
0-6 km bulk shear
7 kt
0-1 km storm-relative helicity
10 m²/s²
0-3 km storm-relative helicity
13 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.

808 
WHUS42 KMFL 242131
CFWMFL

COASTAL HAZARD MESSAGE
NATIONAL WEATHER SERVICE MIAMI FL
531 PM EDT FRI AUG 24 2012

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

FLZ168-172-173-251200-
/O.NEW.KMFL.RP.S.0024.120825T0000Z-120825T1200Z/
COASTAL PALM BEACH-COASTAL BROWARD-COASTAL MIAMI DADE-
531 PM EDT FRI AUG 24 2012

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

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

* TIMING...EAST TO NORTHEASTERLY WINDS WILL INCREASE TONIGHT
  THROUGH THE WEEKEND. 

* 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.

&&

$$
1 follow-up statement
338 
WHUS42 KMFL 250952
CFWMFL

COASTAL HAZARD MESSAGE
NATIONAL WEATHER SERVICE MIAMI FL
552 AM EDT SAT AUG 25 2012

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

FLZ168-172-173-261200-
/O.EXT.KMFL.RP.S.0024.000000T0000Z-120827T0000Z/
COASTAL PALM BEACH-COASTAL BROWARD-COASTAL MIAMI DADE-
552 AM EDT SAT AUG 25 2012

...HIGH RIP CURRENT RISK NOW IN EFFECT THROUGH SUNDAY EVENING...

* TIMING...EAST TO NORTHEASTERLY WINDS WILL INCREASE THROUGH THE
  WEEKEND.

* 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.

&&

$$

BAXTER

The office that day

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

IssuedProductOfficeCountiesLasted
Aug 24, 11:43 AM EDTSpecial Marine WarningMFL62 min
Aug 24, 12:31 PM EDTSpecial Weather StatementMFLPalm Beach29 min
Aug 24, 1:24 PM EDTSpecial Marine WarningMFL66 min
Aug 24, 2:09 PM EDTSmall Craft AdvisoryMFL9 hr
Aug 24, 3:47 PM EDTSpecial Marine WarningMFL58 min
Aug 24, 3:57 PM EDTSpecial Marine WarningMFL63 min
Aug 24, 4:34 PM EDTSevere Thunderstorm WarningMFLMiami-Dade26 min
Aug 24, 4:45 PM EDTSpecial Marine WarningMFL2 hr
Aug 24, 5:06 PM EDTTropical Storm WatchMFLBroward, Collier, Glades, Hendry, Miami-Dade, Monroe and 1 more6 hr
Aug 24, 5:17 PM EDTSpecial Weather StatementMFLMiami-Dade43 min
Aug 24, 5:52 PM EDTSpecial Weather StatementMFLBroward38 min
Aug 24, 6:40 PM EDTSpecial Marine WarningMFL2 hr
Aug 24, 7:40 PM EDTSpecial Weather StatementMFLPalm Beach50 min

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.