Alert archive / Florida / Rip Current Statements in 2015

Rip Current Statement 23, NWS Miami, FL

April 10, 2015Miami-Dade County, Florida

NWS Miami, FL issued this rip current statement at Apr 10, 2015, 4:13 PM EDT for Miami-Dade County, Florida. It was in force for 10 hr.

The area

The counties it named.

The facts

Issued: Apr 10, 2015, 4:13 PM EDT (20:13 UTC)
Expired: Apr 11, 2015, 2:00 AM EDT
In force: 10 hr
Issued by: NWS Miami, FL

County Miami-Dade County, FL

The radar

The Miami radar (KAMX), 9 km from the middle of the area, began a volume at 20:12 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, 8.2 hours before the alert went out and 31 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: 1641 J/kg
Mixed-layer CIN: -1 J/kg
Mixed-layer LCL: 669 m above ground
0-6 km bulk shear: 11 kt
0-1 km storm-relative helicity: -28 m²/s²
0-3 km storm-relative helicity: 52 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.

654 
WHUS42 KMFL 102013
CFWMFL

COASTAL HAZARD MESSAGE
NATIONAL WEATHER SERVICE MIAMI FL
413 PM EDT FRI APR 10 2015

FLZ173-110415-
/O.NEW.KMFL.RP.S.0023.150410T2013Z-150411T0600Z/
COASTAL MIAMI DADE-
413 PM EDT FRI APR 10 2015

...HIGH RIP CURRENT RISK IN EFFECT UNTIL 2 AM EDT SATURDAY...

THE NATIONAL WEATHER SERVICE IN MIAMI HAS ISSUED A HIGH RIP
CURRENT RISK...WHICH IS IN EFFECT UNTIL 2 AM EDT SATURDAY. 

* TIMING...THROUGH 2 AM SATURDAY MORNING.

* IMPACTS...STRONG RIP CURRENTS AND RESCUES HAVE BEEN REPORTED
  ALONG THE BEACHES OF MIAMI-DADE COUNTY. 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 GROINS...
JETTIES AND PIERS. HEED THE ADVICE OF LIFEGUARDS...BEACH PATROL
FLAGS AND SIGNS.

IF YOU BECOME CAUGHT IN A RIP CURRENT...YELL FOR HELP. REMAIN
CALM...DO NOT EXHAUST YOURSELF AND STAY AFLOAT WHILE WAITING FOR
HELP. IF YOU HAVE TO SWIM OUT OF A RIP CURRENT...SWIM PARALLEL TO
SHORE AND BACK TOWARD THE BEACH WHEN POSSIBLE. DO NOT ATTEMPT TO
SWIM DIRECTLY AGAINST A RIP CURRENT AS YOU WILL TIRE QUICKLY. 

&&

$$

The office that day

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

Issued	Product	Office	Counties	Lasted
Apr 10, 4:22 PM EDT	Special Weather Statement	MFL	Collier	38 min
Apr 10, 4:59 PM EDT	Special Weather Statement	MFL	Collier	46 min
Apr 10, 5:57 PM EDT	Special Weather Statement	MFL	Glades	48 min
Apr 10, 6:35 PM EDT	Special Weather Statement	MFL	Glades	40 min

Nearby

Rip Current Statements in Florida, 2015 Every rip current statement in 2015

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.