Alert archive / Florida / Rip Current Statements in 2013

Rip Current Statement 37, NWS Miami, FL

December 28, 2013Broward County, Miami-Dade County, Palm Beach County, Florida

NWS Miami, FL issued this rip current statement at Dec 28, 2013, 3:29 AM EST for Broward County, Miami-Dade County, Palm Beach County, Florida. It took effect at Dec 28, 2013, 4:00 AM EST. It was in force for 20 hr.

The area

The counties it named.

The facts

Issued: Dec 28, 2013, 3:29 AM EST (08:29 UTC)
In effect from: Dec 28, 2013, 4:00 AM EST
Expired: Dec 29, 2013, 12:00 AM EST
In force: 20 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 08:27 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, 8.5 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-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: 1002 J/kg
Mixed-layer CIN: -1 J/kg
Mixed-layer LCL: 591 m above ground
0-6 km bulk shear: 17 kt
0-1 km storm-relative helicity: 27 m²/s²
0-3 km storm-relative helicity: 103 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.

444 
WHUS42 KMFL 280829
CFWMFL

COASTAL HAZARD MESSAGE
NATIONAL WEATHER SERVICE MIAMI FL
329 AM EST SAT DEC 28 2013


FLZ168-172-173-282300-
/O.NEW.KMFL.RP.S.0037.131228T0900Z-131229T0500Z/
COASTAL PALM BEACH-COASTAL BROWARD-COASTAL MIAMI DADE-
329 AM EST SAT DEC 28 2013

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

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

* TIMING...THROUGHOUT THE DAY AND INTO THIS EVENING.

* IMPACTS...HAZARDOUS RIP CURRENTS ARE EXPECTED AT THE ATLANTIC
  BEACHES DUE TO ONSHORE WINDS OF 15 TO 20 MPH AND CHOPPY SURF
  CONDITIONS. THIS WILL MAKE FOR DANGEROUS SWIMMING CONDITIONS. 

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.

&&

$$

MOLLEDA

The office that day

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

Issued	Product	Office	Counties	Lasted
Dec 28, 12:46 AM EST	Areal Flood Advisory	MFL	Miami-Dade	59 min

Nearby

Rip Current Statements in Florida, 2013 Every rip current statement in 2013

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.