Alert archive / Florida / High Surf Advisories in 2016

High Surf Advisory 1, NWS Miami, FL

April 16, 2016Broward County, Palm Beach County, Florida

NWS Miami, FL issued this high surf advisory at Apr 16, 2016, 4:22 PM EDT for Broward County, Palm Beach County, Florida. It was in force for 56 hr.

The area

The counties it named.

The facts

Issued
Apr 16, 2016, 4:22 PM EDT (20:22 UTC)
Expired
Apr 19, 2016, 12:00 AM EDT
In force
56 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 20:23 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, 8.4 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 2016-04-16Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 218 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Miami, FL at 12:00Z on 2016-04-16The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -52 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
218 J/kg
Mixed-layer CIN
-152 J/kg
Mixed-layer LCL
1156 m above ground
0-6 km bulk shear
31 kt
0-1 km storm-relative helicity
-52 m²/s²
0-3 km storm-relative helicity
7 m²/s²
Significant tornado parameter
-0.0
Supercell composite
-0.0

Open this sounding in Storm Lab

The text

As transmitted.

576 
WHUS42 KMFL 162022
CFWMFL

URGENT - IMMEDIATE BROADCAST REQUESTED
COASTAL HAZARD MESSAGE
NATIONAL WEATHER SERVICE MIAMI FL
422 PM EDT SAT APR 16 2016

FLZ168-172-171800-
/O.NEW.KMFL.SU.Y.0001.160416T2022Z-160417T1800Z/
/O.EXT.KMFL.RP.S.0021.000000T0000Z-160419T0200Z/
COASTAL PALM BEACH-COASTAL BROWARD-
422 PM EDT SAT APR 16 2016

...HIGH SURF ADVISORY IN EFFECT UNTIL 2 PM EDT SUNDAY...
...HIGH RIP CURRENT RISK NOW IN EFFECT THROUGH MONDAY EVENING...

THE NATIONAL WEATHER SERVICE IN MIAMI HAS ISSUED A HIGH SURF
ADVISORY...WHICH IS IN EFFECT UNTIL 2 PM EDT SUNDAY. 

* WAVES AND SURF...GUSTY ONSHORE WINDS BETWEEN 20 AND 25 KNOTS
  WILL BUILD SURF ALONG THE COAST WITH LARGE BREAKING WAVES UP TO
  10 FEET IN THE SURF ZONE.

* TIMING...THE THREAT FOR HIGH SURF WILL CONTINUE THROUGH SUNDAY
  AFTERNOON AND THE THREAT FOR DANGEROUS RIP CURRENT WILL CONTINUE
  THROUGH MONDAY EVENING. 

* IMPACTS...LARGE BREAKING WAVES WILL POSE A HAZARD TO ANYONE
  ENTERING THE SURF. THE ROUGH SURF MAY LEAD TO MINOR COASTAL
  EROSION IN VULNERABLE AREAS, ESPECIALLY AT HIGH TIDE.

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.

A HIGH SURF ADVISORY MEANS THAT HIGH SURF WILL AFFECT BEACHES IN
THE ADVISORY AREA...PRODUCING LOCALIZED BEACH EROSION AND
DANGEROUS SWIMMING CONDITIONS.

&&

$$

FLZ173-171800-
/O.EXT.KMFL.RP.S.0021.000000T0000Z-160419T0200Z/
COASTAL MIAMI-DADE-
422 PM EDT SAT APR 16 2016

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

* TIMING...THROUGH MONDAY EVENING. 

* IMPACTS...RIP CURRENTS WILL CONTINUE TO CREATE DANGEROUS
  CONDITIONS FOR SWIMMERS ALONG THE MIAMI-DADE BEACHES.

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.

&&

$$


HTTP://WWW.WEATHER.GOV/MIAMI
6 follow-up statements
047 
WHUS42 KMFL 171359
CFWMFL

URGENT - IMMEDIATE BROADCAST REQUESTED
COASTAL HAZARD MESSAGE
NATIONAL WEATHER SERVICE MIAMI FL
959 AM EDT SUN APR 17 2016

...HIGH SURF ADVISORY EXTENDED UNTIL EARLY MONDAY MORNING FOR PALM
BEACH AND BROWARD COUNTIES...

...HIGH RISK OF RIP CURRENTS CONTINUE FOR THE ATLANTIC BEACHES OF
SOUTH FLORIDA...

FLZ168-172-181000-
/O.EXT.KMFL.SU.Y.0001.000000T0000Z-160418T1000Z/
/O.CON.KMFL.RP.S.0021.000000T0000Z-160419T0200Z/
COASTAL PALM BEACH-COASTAL BROWARD-
959 AM EDT SUN APR 17 2016

...HIGH SURF ADVISORY NOW IN EFFECT UNTIL 6 AM EDT MONDAY...
...HIGH RIP CURRENT RISK REMAINS IN EFFECT THROUGH MONDAY
EVENING...

* WAVES AND SURF...GUSTY ONSHORE WINDS BETWEEN 20 AND 25 KNOTS 
  WILL BUILD SURF ALONG THE COAST WITH LARGE BREAKING WAVES UP 
  TO 10 FEET IN THE SURF ZONE. 

* TIMING...THE THREAT FOR HIGH SURF WILL CONTINUE THROUGH EARLY
  MONDAY MORNING AND THE THREAT FOR DANGEROUS RIP CURRENT WILL
  CONTINUE THROUGH MONDAY EVENING.

* IMPACTS...LARGE BREAKING WAVES WILL POSE A HAZARD TO ANYONE
  ENTERING THE SURF. THE ROUGH SURF MAY LEAD TO MINOR COASTAL
  EROSION IN VULNERABLE AREAS...ESPECIALLY AT HIGH TIDE.

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.

A HIGH SURF ADVISORY MEANS THAT HIGH SURF WILL AFFECT BEACHES IN
THE ADVISORY AREA...PRODUCING LOCALIZED BEACH EROSION AND
DANGEROUS SWIMMING CONDITIONS.

&&

$$

FLZ173-181000-
/O.CON.KMFL.RP.S.0021.000000T0000Z-160419T0200Z/
COASTAL MIAMI-DADE-
959 AM EDT SUN APR 17 2016

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

* TIMING...THROUGH MONDAY EVENING.

* IMPACTS...RIP CURRENTS WILL CONTINUE TO CREATE DANGEROUS 
  CONDITIONS FOR SWIMMERS ALONG THE MIAMI-DADE BEACHES. 

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.

&&

$$


HTTP://WWW.WEATHER.GOV/MIAMI
844 
WHUS42 KMFL 172006
CFWMFL

URGENT - IMMEDIATE BROADCAST REQUESTED
COASTAL HAZARD MESSAGE
NATIONAL WEATHER SERVICE MIAMI FL
406 PM EDT SUN APR 17 2016

FLZ168-172-180415-
/O.EXT.KMFL.RP.S.0021.000000T0000Z-160419T1200Z/
/O.CON.KMFL.SU.Y.0001.000000T0000Z-160418T1000Z/
COASTAL PALM BEACH-COASTAL BROWARD-
406 PM EDT SUN APR 17 2016

...HIGH RIP CURRENT RISK NOW IN EFFECT THROUGH TUESDAY MORNING...
...HIGH SURF ADVISORY REMAINS IN EFFECT UNTIL 6 AM EDT MONDAY...

* WAVES AND SURF...GUSTY ONSHORE WINDS BETWEEN 20 AND 25 KNOTS 
  WILL BUILD SURF ALONG THE COAST WITH LARGE BREAKING WAVES UP 
  TO 10 FEET IN THE SURF ZONE. 

* TIMING...THE THREAT FOR HIGH SURF WILL CONTINUE THROUGH EARLY
  MONDAY MORNING AND THE THREAT FOR DANGEROUS RIP CURRENT WILL
  CONTINUE THROUGH MONDAY NIGHT.

* IMPACTS...LARGE BREAKING WAVES WILL POSE A HAZARD TO ANYONE 
  ENTERING THE SURF. THE ROUGH SURF MAY LEAD TO MINOR COASTAL 
  EROSION IN VULNERABLE AREAS...ESPECIALLY AT HIGH TIDE. 

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.

A HIGH SURF ADVISORY MEANS THAT HIGH SURF WILL AFFECT BEACHES IN
THE ADVISORY AREA...PRODUCING LOCALIZED BEACH EROSION AND
DANGEROUS SWIMMING CONDITIONS.

&&

$$

FLZ173-180415-
/O.EXT.KMFL.RP.S.0021.000000T0000Z-160419T1200Z/
COASTAL MIAMI-DADE-
406 PM EDT SUN APR 17 2016

...HIGH RIP CURRENT RISK NOW IN EFFECT THROUGH TUESDAY MORNING...

* TIMING...THROUGH MONDAY NIGHT.

* IMPACTS...RIP CURRENTS WILL CONTINUE TO CREATE DANGEROUS 
  CONDITIONS FOR SWIMMERS ALONG THE MIAMI-DADE BEACHES. 

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.

&&

$$


HTTP://WWW.WEATHER.GOV/MIAMI
264 
WHUS42 KMFL 180738
CFWMFL

URGENT - IMMEDIATE BROADCAST REQUESTED
COASTAL HAZARD MESSAGE
NATIONAL WEATHER SERVICE MIAMI FL
338 AM EDT MON APR 18 2016

FLZ168-172-181545-
/O.EXT.KMFL.SU.Y.0001.000000T0000Z-160419T0400Z/
/O.EXT.KMFL.RP.S.0021.000000T0000Z-160420T0000Z/
COASTAL PALM BEACH-COASTAL BROWARD-
338 AM EDT MON APR 18 2016

...HIGH SURF ADVISORY NOW IN EFFECT UNTIL MIDNIGHT EDT TONIGHT...
...HIGH RIP CURRENT RISK NOW IN EFFECT THROUGH TUESDAY EVENING...

* WAVES AND SURF...GUSTY ONSHORE WINDS BETWEEN 20 AND 25 KNOTS 
  WILL BUILD SURF ALONG THE COAST WITH LARGE BREAKING WAVES UP 
  TO 10 FEET IN THE SURF ZONE. 

* TIMING...THE THREAT FOR HIGH SURF WILL CONTINUE THROUGH THIS
  EVENING AND THE THREAT FOR DANGEROUS RIP CURRENTS WILL CONTINUE
  THROUGH TUESDAY EVENING.

* IMPACTS...LARGE BREAKING WAVES WILL POSE A HAZARD TO ANYONE 
  ENTERING THE SURF. THE ROUGH SURF MAY LEAD TO MINOR COASTAL 
  EROSION IN VULNERABLE AREAS...ESPECIALLY AT HIGH TIDE. 

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.

A HIGH SURF ADVISORY MEANS THAT HIGH SURF WILL AFFECT BEACHES IN
THE ADVISORY AREA...PRODUCING LOCALIZED BEACH EROSION AND
DANGEROUS SWIMMING CONDITIONS.

&&

$$

FLZ173-181545-
/O.EXT.KMFL.RP.S.0021.000000T0000Z-160420T0000Z/
COASTAL MIAMI-DADE-
338 AM EDT MON APR 18 2016

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

* TIMING...THROUGH TUESDAY EVENING.

* IMPACTS...RIP CURRENTS WILL CONTINUE TO CREATE DANGEROUS 
  CONDITIONS FOR SWIMMERS ALONG THE MIAMI-DADE BEACHES. 

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.

&&

$$


HTTP://WWW.WEATHER.GOV/MIAMI
003 
WHUS42 KMFL 181502
CFWMFL

URGENT - IMMEDIATE BROADCAST REQUESTED
COASTAL HAZARD MESSAGE
NATIONAL WEATHER SERVICE MIAMI FL
1102 AM EDT MON APR 18 2016

FLZ168-172-182315-
/O.CON.KMFL.SU.Y.0001.000000T0000Z-160419T0400Z/
/O.CON.KMFL.RP.S.0021.000000T0000Z-160420T0000Z/
COASTAL PALM BEACH-COASTAL BROWARD-
1102 AM EDT MON APR 18 2016

...HIGH SURF ADVISORY REMAINS IN EFFECT UNTIL MIDNIGHT EDT
TONIGHT...
...HIGH RIP CURRENT RISK REMAINS IN EFFECT THROUGH TUESDAY
EVENING...

* WAVES AND SURF...GUSTY ONSHORE WIND BETWEEN 20 AND 25 KNOTS
  WILL BUILD SURF ALONG THE COAST WITH LARGE BREAKING WAVES UP TO
  10 FEET IN THE SURF ZONE.

* TIMING...THE THREAT FOR HIGH SURF WILL CONTINUE THROUGH THIS 
  EVENING AND THE THREAT FOR DANGEROUS RIP CURRENTS WILL 
  CONTINUE THROUGH TUESDAY EVENING. 

* IMPACTS...LARGE BREAKING WAVES WILL POSE A HAZARD TO ANYONE 
  ENTERING THE SURF. THE ROUGH SURF MAY LEAD TO MINOR COASTAL 
  EROSION IN VULNERABLE AREAS...ESPECIALLY AT HIGH TIDE. 

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.

A HIGH SURF ADVISORY MEANS THAT HIGH SURF WILL AFFECT BEACHES IN
THE ADVISORY AREA...PRODUCING LOCALIZED BEACH EROSION AND
DANGEROUS SWIMMING CONDITIONS.

&&

$$

FLZ173-182315-
/O.CON.KMFL.RP.S.0021.000000T0000Z-160420T0000Z/
COASTAL MIAMI-DADE-
1102 AM EDT MON APR 18 2016

...HIGH RIP CURRENT RISK REMAINS IN EFFECT THROUGH TUESDAY
EVENING...

* TIMING...THROUGH TUESDAY EVENING.

* IMPACTS...RIP CURRENTS WILL CONTINUE TO CREATE DANGEROUS 
  CONDITIONS FOR SWIMMERS ALONG THE MIAMI-DADE BEACHES. 

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.

&&

$$


HTTP://WWW.WEATHER.GOV/MIAMI
390 
WHUS42 KMFL 190018
CFWMFL

URGENT - IMMEDIATE BROADCAST REQUESTED
COASTAL HAZARD MESSAGE
NATIONAL WEATHER SERVICE MIAMI FL
818 PM EDT MON APR 18 2016

FLZ168-172-190400-
/O.CON.KMFL.SU.Y.0001.000000T0000Z-160419T0400Z/
/O.CON.KMFL.RP.S.0021.000000T0000Z-160420T0000Z/
COASTAL PALM BEACH-COASTAL BROWARD-
818 PM EDT MON APR 18 2016

...HIGH SURF ADVISORY REMAINS IN EFFECT UNTIL MIDNIGHT EDT
TONIGHT...
...HIGH RIP CURRENT RISK REMAINS IN EFFECT THROUGH TUESDAY
EVENING...

* WAVES AND SURF...GUSTY ONSHORE WINDS WILL CONTINUE TO LEAD TO
  ROUGH SURF WITH LARGE BREAKING WAVES UP TO 10 FEET IN THE SURF
  ZONE.

* TIMING...THE THREAT FOR HIGH SURF WILL CONTINUE THROUGH LATE THIS
  EVENING AND THE THREAT FOR DANGEROUS RIP CURRENTS WILL CONTINUE
  THROUGH TUESDAY EVENING.

* IMPACTS...LARGE BREAKING WAVES WILL POSE A HAZARD TO ANYONE 
  ENTERING THE SURF. THE ROUGH SURF MAY LEAD TO MINOR COASTAL 
  EROSION IN VULNERABLE AREAS...ESPECIALLY AT HIGH TIDE. 

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.

A HIGH SURF ADVISORY MEANS THAT HIGH SURF WILL AFFECT BEACHES IN
THE ADVISORY AREA...PRODUCING LOCALIZED BEACH EROSION AND
DANGEROUS SWIMMING CONDITIONS.

&&

$$

FLZ173-190400-
/O.CON.KMFL.RP.S.0021.000000T0000Z-160420T0000Z/
COASTAL MIAMI-DADE-
818 PM EDT MON APR 18 2016

...HIGH RIP CURRENT RISK REMAINS IN EFFECT THROUGH TUESDAY
EVENING...

* TIMING...THROUGH TUESDAY EVENING.

* IMPACTS...RIP CURRENTS WILL CONTINUE TO CREATE DANGEROUS 
  CONDITIONS FOR SWIMMERS ALONG THE MIAMI-DADE BEACHES. 

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.

&&

$$


HTTP://WWW.WEATHER.GOV/MIAMI
253 
WHUS42 KMFL 190423
CFWMFL

URGENT - IMMEDIATE BROADCAST REQUESTED
COASTAL HAZARD MESSAGE
NATIONAL WEATHER SERVICE MIAMI FL
1223 AM EDT TUE APR 19 2016


FLZ168-172-191630-
/O.EXP.KMFL.SU.Y.0001.000000T0000Z-160419T0400Z/
/O.CON.KMFL.RP.S.0021.000000T0000Z-160420T0000Z/
COASTAL PALM BEACH-COASTAL BROWARD-
1223 AM EDT TUE APR 19 2016

...HIGH RIP CURRENT RISK REMAINS IN EFFECT THROUGH THIS EVENING...
...HIGH SURF ADVISORY HAS EXPIRED...

* WAVES AND SURF...WIND SPEEDS ALONG COASTAL BEACHES HAVE
  DECREASED DURING THE EVENING HOURS ALLOWING FOR SURF HEIGHTS TO
  DROP BELOW ADVISORY LEVELS. HOWEVER...PERIODS OF GUSTY ONSHORE
  WINDS MAY PRODUCE OCCASIONAL ROUGH CONDITIONS WITH LARGE
  BREAKING WAVES IN THE SURF ZONE THROUGH THIS MORNING.

* TIMING...THE THREAT FOR DANGEROUS RIP CURRENTS WILL CONTINUE
  THROUGH THIS EVENING. THE THREAT FOR HIGH SURF HAS DIMINISHED
  AND THE HIGH SURF ADVISORY HAS BEEN ALLOWED TO EXPIRE.

* IMPACTS...RIP CURRENTS WILL CONTINUE TO CREATE DANGEROUS CONDITIONS
  FOR SWIMMERS ALONG THE ATLANTIC COAST BEACHES OF SOUTH FLORIDA.
  ALSO...THERE MIGHT BE SOME PERIODS OF ROUGH SURF WHICH MAY LEAD
  TO MINOR COASTAL EROSION IN VULNERABLE AREAS...ESPECIALLY AT
  HIGH TIDE.

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...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.

&&


$$

FLZ173-191630-
/O.CON.KMFL.RP.S.0021.000000T0000Z-160420T0000Z/
COASTAL MIAMI-DADE-
1223 AM EDT TUE APR 19 2016

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

* TIMING...THROUGH EARLY THIS EVENING.

* IMPACTS...RIP CURRENTS WILL CONTINUE TO CREATE DANGEROUS 
  CONDITIONS FOR SWIMMERS ALONG THE MIAMI-DADE BEACHES. 

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.

&&

$$


HTTP://WWW.WEATHER.GOV/MIAMI

What forecasters said that day

The local office's own words before this high surf advisory went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.

NWS Miami, FL wrote its last area forecast discussion before this high surf advisory went out at Apr 16, 1:42 PM EDT, 2 hours 40 minutes earlier.

Area forecast discussion, Apr 16, 1:42 PM EDT, 2 hours 40 minutes before
AREA FORECAST DISCUSSION...UPDATED
NATIONAL WEATHER SERVICE MIAMI FL
142 PM EDT SAT APR 16 2016

.AVIATION...
THE WINDS WILL REMAIN NORTHEAST AT 10 TO 15 MPH OVER THE TAF SITES
THROUGH TONIGHT. SHOWERS AND THUNDERSTORMS SHOULD START TO DEVELOP
BETWEEN 18 AND 20Z AND LAST THROUGH 00Z. THE THUNDERSTORMS SHOULD
END AFTER 00Z BUT SHOWERS WILL CONTINUE TO AFFECT THE EAST COAST
TAF SITES BETWEEN 00Z AND 13Z SUNDAY. THE CEILING AND VIS WILL
REMAIN IN VFR CONDITIONS OUTSIDE OF ANY SHOWERS OR THUNDERSTORMS.
THE CEILING AND VIS WILL DROP DOWN INTO MVFR OR EVEN IFR
CONDITIONS AS THE SHOWERS AND THUNDERSTORMS MOVE OVERHEAD.

&&
.AVIATION...54/BNB

.PREV DISCUSSION... /ISSUED 1002 AM EDT SAT APR 16 2016/

UPDATE...
A DISSIPATING FRONT WILL REMAIN OVER SOUTH FLORIDA TODAY LEADING
TO SCATTERED TO NUMEROUS SHOWERS AND THUNDERSTORMS OVER SOUTH
FLORIDA THIS AFTERNOON INTO EARLY THIS EVENING. THE EAST AND WEST
COAST SEA BREEZE WILL ALSO DEVELOP AND PUSH INLAND THIS AFTERNOON.
HOWEVER...THE STEERING FLOW WILL BE FROM THE NORTHWEST TODAY WHICH
WILL ALLOW FOR THE SHOWERS AND STORMS TO PUSH BACK TO THE EAST
COAST METRO AREAS LATE THIS AFTERNOON. THEREFORE...POPS WILL
REMAIN IN THE NUMEROUS RANGE OVER SOUTH FLORIDA THIS AFTERNOON
WITH THE BEST COVERAGE OVER THE INTERIOR AND SOUTHEAST METRO AREAS
OF SOUTH FLORIDA.

THE 12Z MIA MORNING SOUNDING SHOWED THAT THE 500 MB LEVEL
TEMPERATURES HAVE WARM UP FROM -13C YESTERDAY TO -11.5C THIS
MORNING...AS THE MID TO UPPER LEVEL TROUGH IS JUST EAST OF SOUTH
FLORIDA. THE TROUGH WILL CONTINUE TO MOVE SLOWLY EAST AWAY FROM
SOUTH FLORIDA THIS AFTERNOON ALLOWING FOR THE 500 MB TEMPS TO
CONTINUE TO WARM TO AROUND -10C THIS AFTERNOON. HOWEVER...THERE IS
STILL SOME DRY AIR IN PLACE OVER SOUTH FLORIDA TODAY WHICH WILL
HELP TO ALLOW FOR SOME OF THE STORMS TO BECOME STRONG THIS
AFTERNOON INTO EARLY THIS EVENING. THE PRIMARY IMPACTS FROM THE
STORMS WILL BE SMALL HAIL, GUSTY WINDS UP TO 50 MPH, FREQUENT
LIGHTNING STRIKES, AND LOCALLY HEAVY RAINFALL. THEREFORE...WE WILL
CONTINUE TO MENTION STRONG THUNDERSTORM WORDING IN THE HWO PACKAGE
FOR TODAY.

THE HIGH RISK OF RIP CURRENTS WILL ALSO CONTINUE TODAY INTO
TONIGHT FOR THE ATLANTIC BEACHES OF SOUTH FLORIDA...AS THE WINDS
WILL CONTINUE TO INCREASE FROM THE NORTHEAST AND THE NORTHEAST
SWELLS CONTINUE TO BUILD. THERE IS ALSO A SCA IN PLACE FOR THE
ATLANTIC WATERS TODAY INTO TONIGHT...DUE TO THE INCREASING WINDS
AND SEAS.

REST OF THE FORECAST LOOKS GOOD AT THIS TIME AND NO OTHER CHANGES
ARE PLANNED.

AVIATION...
THE WINDS WILL BE NORTHEAST AT 5 TO 10 KNOTS THIS MORNING BEFORE
INCREASING TO 10 TO 15 KNOTS THIS AFTERNOON FOR THE EAST COAST TAF
SITES. FOR KAPF TAF SITE...THE WINDS WILL BE NORTHEAST 5 TO 10
KNOTS BEFORE SWINGING TO A NORTHWEST DIRECTION AROUND 10 KNOTS
THIS AFTERNOON.

VCSH WILL ALSO BE PUT IN FOR THIS MORNING AT ALL OF THE TAF SITES
WITH VCTS COMING IN BETWEEN 18Z AND 00Z. THE CEILING AND VIS WILL
REMAIN IN VFR CONDITIONS TODAY...BUT COULD FALL DOWN INTO IFR
CONDITIONS WITH ANY PASSING SHOWER OR THUNDERSTORM. AT THIS
TIME...IT IS TO EARLY TO PUT TEMPO GROUPS INTO THE TAF SITES FOR
THIS AFTERNOON DUE TO THE UNKNOWN TIMING.

UPDATE...54/BNB
AVIATION...54/BNB

PREV DISCUSSION... /ISSUED 411 AM EDT SAT APR 16 2016/

SYNOPSIS...
NUMEROUS SHOWERS AND THUNDERSTORMS ARE EXPECTED THIS AFTERNOON.
THEREAFTER...DRIER AND BREEZY CONDITIONS WILL MOVE INTO THE REGION
FOR MUCH OF NEXT WEEK.

SHORT TERM /TODAY THROUGH MONDAY/...
MOST OF SOUTH FLORIDA HAS REMAINED CONVECTION FREE
OVERNIGHT...WITH CONTINUING STRONG THUNDERSTORMS JUST NORTHEAST OF
PALM BEACH COUNTY. MESOSCALE GUIDANCE DEPICTS THIS ACTIVITY
PROPAGATING SOUTHWARD THROUGH ATLANTIC WATERS THIS MORNING...AND
NEAR TERM FORECAST MAY NEED TO BE ADJUSTED IF TRENDS BEGIN TO
SUGGEST THIS GUIDANCE IS CORRECT. ADDITIONAL THUNDERSTORMS ACROSS
UPPER KEYS HAVE PERSISTED AS WELL...BUT ARE FINALLY BEGINNING TO
WEAKEN. WITH LIGHT WINDS AND NEARLY SATURATED BOUNDARY
LAYER...HAVE BEEN MONITORING OBSERVATIONS CLOSELY FOR FOG. SO
FAR...APPEARS DECENT CLOUDCOVER OVER THE REGION HAS INHIBITED FOG
FORMATION.

AFTER FRIDAYS ISOLATED SEVERE THUNDERSTORMS /HAIL PRODUCERS/ MID-
AND UPPER-LEVELS OF ATMOSPHERE HAVE WARMED SLIGHTLY AS TROUGH HAS
FLATTENED. ADDITIONALLY...LESS DRY CONDITIONS ARE PRESENT ALOFT.
THUS...RISK FOR ROBUST CONVECTION IS SOMEWHAT LESS THAN FRIDAY FOR
TODAY. STILL...AS DECAYING AND DIFFUSE NEAR-SFC
BOUNDARY...PRESENTLY NEAR LAKE OKEECHOBEE...DRIFTS
SOUTHWARD...SHOWERS AND THUNDERSTORMS SHOULD FIRE BY
AFTERNOON...AND STRONGEST UPDRAFTS WILL BE CAPABLE OF INDUCING
SMALL HAIL AND STRONG WIND GUSTS. OVERALL COVERAGE WILL LIKELY BE
HIGHER TODAY THAN YESTERDAY...AS AREAS FURTHER WEST CAN ALSO
EXPECT NUMEROUS ACTIVITY BY MID/LATE AFTERNOON.

DEEP-LAYER RIDGING FINALLY BEGINS TO ENSUE TONIGHT...BRINGING
DRIER NORTHEASTERLY LOW-LEVEL FLOW. LOW RAIN CHANCES SUNDAY WILL
TURN TO NEAR ZERO ON MONDAY. TEMPERATURES WILL BE MODERATED BY
STRONG ONSHORE ATLANTIC FLOW...KEEPING MAXIMA BELOW NRML AND
MINIMA SLIGHTLY ABOVE NRML FOR MID-APR.

BREEZY NORTHEAST WINDS COMBINED WITH MDT NELY SWELL HEADING TOWARD
SOUTH FLORIDAS ATLANTIC COAST WILL LEAD TO NUMEROUS DANGEROUS RIP
CURRENTS BY LATER THIS WEEKEND. HIGH RISK HAS BEEN POSTED
INITIATING AT 12Z AS CONDITIONS ARE EXPECTED TO DETERIORATE
THROUGH THE DAY. HEADLINE IN EFFECT THROUGH SUNDAY EVENING AND MAY
NEED TO BE EXTENDED INTO MONDAY.

LONG TERM /MONDAY NIGHT THROUGH FRIDAY/...
RELATIVELY TRANQUIL CONDITIONS ON LAND...DESPITE ATLANTIC RIP
CURRENTS AND POTENTIALLY HAZARDOUS MARINE CONDITIONS WILL PREVAIL
THROUGH THE WEEK AS HIGH PRESSURE WILL REMAIN CENTERED NORTH AND
EAST OF THE REGION. QUITE DRY CONDITIONS ARE EXPECTED WITH
DEWPOINT TEMPERATURES LIKELY IN THE 50S THROUGH MID-WEEK. AS RIDGE
MOVES A BIT FURTHER EAST AND SOUTHERLY FLOW DEVELOPS LATE
WEEK...MOISTURE WILL INCREASE AND RAIN CHANCES RETURN FOR MONDAY.

TEMPERATURES THROUGH THE PERIOD WILL BE NEAR AVERAGE FOR THIS TIME
OF YEAR...WITH MAXIMA MAINLY IN 80S AND MINIMA IN THE 60S/L70S.

AVIATION...
VFR CONDITIONS WILL PREVAIL AT THE TERMINALS FOR
06-18Z...WITH DEBRIS CLOUD CONTRIBUTING TO VFR CIGS WITH BASES AOA
FL040-060 AND FL100-120 RESPECTIVELY. AFTER 18Z...CONDITIONS
FAVORABLE AGAIN FOR DEVELOPMENT OF SCATTERED SHOWERS AND THUNDERSTORMS
ACCOMPANIED BY SHORT PERIODS OF IFR CIGS AND/OR VIS. ANY
THUNDERSTORMS THAT MANAGE TO IMPACT THE TERMINALS MAY CONTAIN WIND
GUSTS IN EXCESS OF 40 KNOTS.

MARINE...
NORTHEASTERLY SWELL OF 2 TO 4 FEET WILL APPROACH PALM BEACH COUNTY
TODAY AND IMPACT ALL ATLANTIC WATERS INTO SUNDAY...POTENTIALLY
CONTINUING THROUGH EARLY NEXT WEEK. ADDITIONALLY...AS HIGH
PRESSURE BUILDS IN...NORTHEAST WINDS OF 10 TO 15 KT WILL INCREASE
TO 20 TO 25 KT. THESE TWO FEATURES COMBINED WILL CREATE HAZARDOUS
MARINE CONDITIONS FOR SMALL CRAFT OPERATORS AND AN ADVISORY IN IN
PLACE THROUGH THE WEEKEND. FOR REMAINING SOUTH FLORIDA
WATERS...SMALL CRAFT OPERATORS SHOULD EXERCISE CAUTION. ONLY
SLIGHT IMPROVEMENTS ARE EXPECTED EARLY NEXT WEEK...AND THE
ADVISORY MAY NEED TO BE EXTENDED IN TIME AND/OR AREA.

SCATTERED TO NUMEROUS THUNDERSTORMS ARE EXPECTED THIS
AFTERNOON...SOME WITH VERY GUSTY AND HAZARDOUS WINDS.

&&

.PRELIMINARY POINT TEMPS/POPS...
WEST PALM BEACH  68  79  68  81 /  50  20  10  10
FORT LAUDERDALE  70  79  69  81 /  50  20  10  10
MIAMI            69  80  69  81 /  50  20  10  10
NAPLES           67  85  62  84 /  20  10   0  10

&&

.MFL WATCHES/WARNINGS/ADVISORIES...
FL...HIGH RIP CURRENT RISK THROUGH SUNDAY EVENING FOR FLZ168-172-173.

AM...SMALL CRAFT ADVISORY UNTIL 8 PM EDT SUNDAY FOR AMZ650-651-670-
     671.

GM...NONE.
&&

SHORT TERM...54/BNB
LONG TERM....23/SK
AVIATION...54/BNB
Hazardous weather outlook, Apr 16, 12:51 PM EDT, 3 hours 31 minutes before
HAZARDOUS WEATHER OUTLOOK FOR SOUTH FLORIDA...UPDATED
NATIONAL WEATHER SERVICE MIAMI FL
1251 PM EDT SAT APR 16 2016

AMZ610-630-650-651-670-671-FLZ063-066>075-168-172>174-GMZ656-657-676-
170000-
LAKE OKEECHOBEE-BISCAYNE BAY-
COASTAL WATERS FROM JUPITER INLET TO DEERFIELD BEACH FL OUT 20 NM-
COASTAL WATERS FROM DEERFIELD BEACH TO OCEAN REEF FL OUT 20 NM-
WATERS FROM JUPITER INLET TO DEERFIELD BEACH FL FROM 20 TO 60 NM-
WATERS FROM DEERFIELD BEACH TO OCEAN REEF FL FROM 20 TO 60 NM
EXCLUDING THE TERRITORIAL WATERS OF BAHAMAS-GLADES-HENDRY-
INLAND PALM BEACH-METRO PALM BEACH-COASTAL COLLIER-INLAND COLLIER-
INLAND BROWARD-METRO BROWARD-INLAND MIAMI-DADE-METRO MIAMI-DADE-
MAINLAND MONROE-COASTAL PALM BEACH-COASTAL BROWARD-COASTAL MIAMI-
DADE-FAR SOUTH MIAMI-DADE-
COASTAL WATERS FROM CHOKOLOSKEE TO BONITA BEACH FL OUT 20 NM-
COASTAL WATERS FROM EAST CAPE SABLE TO CHOKOLOSKEE FL OUT 20 NM-
WATERS FROM CHOKOLOSKEE TO BONITA BEACH FL FROM 20 TO 60 NM-
1251 PM EDT SAT APR 16 2016

...HIGH RISK OF RIP CURRENTS ATLANTIC BEACHES...
...STORMS MAY PRODUCE HAIL AND STRONG WINDS...
...SMALL CRAFT ADVISORY ATLANTIC WATERS...

THIS HAZARDOUS WEATHER OUTLOOK IS FOR SOUTH FLORIDA.

.DAY ONE...THIS AFTERNOON AND TONIGHT

RIP CURRENTS: THERE IS A HIGH RISK FOR RIP CURRENTS ACROSS ALL OF
THE ATLANTIC BEACHES FROM PALM BEACH COUNTY SOUTHWARD TO BROWARD
AND MIAMI DADE COUNTIES.

THUNDERSTORMS: NUMEROUS THUNDERSTORMS ARE EXPECTED TO DEVELOP
ACROSS SOUTH FLORIDA, MAINLY DURING THE AFTERNOON AND EVENING.
THE PRIMARY HAZARDS FROM THESE THUNDERSTORMS WILL BE STRONG WIND,
FREQUENT CLOUD TO GROUND LIGHTNING STRIKE, AND HAIL.

WATERSPOUTS: CONDITIONS ARE FAVORABLE FOR THE DEVELOPMENT OF
ISOLATED WATERSPOUTS, MAINLY ALONG THE ATLANTIC COASTAL AND
INTRACOASTAL WATERS FROM PALM BEACH COUNTY SOUTHWARD TO BROWARD
AND MIAMI DADE COUNTIES.

WIND: ISOLATED TO SCATTERED WIND GUSTS UP TO 55 MPH ARE POSSIBLE
IN THUNDERSTORMS THIS AFTERNOON ESPECIALLY OVER THE SOUTHWEST AND
SOUTHERN INTERIOR AREAS OF SOUTH FLORIDA. IN ADDITION, WINDS WILL
BECOME NORTHEAST AT 20 TO 25 KNOTS THIS AFTERNOON ON ATLANTIC
WATERS, AND A SMALL CRAFT ADVISORY IS IN EFFECT.

HAIL: THERE IS A CHANCE OF HAIL TO THE SIZE OF NICKELS WITH
THE THUNDERSTORMS THIS AFTERNOON...EXCEPT FOR SOUTHWEST AND
EXTREME SOUTHERN AREAS OF SOUTH FLORIDA WHERE HAIL UP TO QUARTER
SIZE.

WAVES: WAVES WILL INCREASE ACROSS THE ATLANTIC WATERS THIS
AFTERNOON AND TONIGHT, LEADING TO SMALL CRAFT ADVISORY
CONDITIONS. SEAS WILL BUILD TO 6 TO 10 FEET.

.DAYS TWO THROUGH SEVEN...SUNDAY THROUGH FRIDAY

THE HIGH RISK FOR RIP CURRENTS ON ATLANTIC BEACHES CONTINUES
SUNDAY AND MAY PERSIST THROUGH THE MIDDLE OF NEXT WEEK.

WINDS AND WAVES WILL CONTINUE TO RESULT IN SMALL CRAFT ADVISORY
CONDITIONS ACROSS THE ATLANTIC WATERS SUNDAY AND LIKELY WILL
PERSIST THROUGH AT LEAST TUESDAY NIGHT.

.SPOTTER INFORMATION STATEMENT...

WIDESPREAD SPOTTER ACTIVATION IS NOT ANTICIPATED, HOWEVER
INDIVIDUAL SPOTTERS ARE ENCOURAGED TO REPORT HIGH WIND AND HAIL TO
THE NATIONAL WEATHER SERVICE FORECAST OFFICE IN MIAMI.

FOR MORE INFORMATION...VISIT THE NATIONAL WEATHER SERVICE IN
MIAMI WEBSITE AT WWW.WEATHER.GOV/MIAMI.

BAXTER

In the hours before

Special weather statement, Apr 16, 11:57 AM EDT, 4 hours 25 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE MIAMI FL
1157 AM EDT SAT APR 16 2016

FLZ168-172-173-170000-
COASTAL PALM BEACH-COASTAL BROWARD-COASTAL MIAMI-DADE-
INCLUDING THE CITIES OF...JUPITER...WEST PALM BEACH...
BOCA RATON...POMPANO BEACH...FORT LAUDERDALE...
FORT LAUDERDALE BEACH...HOLLYWOOD BEACH...AVENTURA...
MIAMI BEACH...MIAMI SHORES...DOWNTOWN MIAMI...CUTLER BAY...
HOMESTEAD BAYFRONT PARK
1157 AM EDT SAT APR 16 2016

...HIGH RISK OF RIP CURRENTS ATLANTIC BEACHES OF SOUTH FLORIDA...

NORTHEAST WINDS OF 10 TO 15 MPH ALONG WITH NORTHEAST SWELLS OF 2
TO 5 FEET WILL CONTINUE TO AFFECT THE ATLANTIC BEACHES OF SOUTH
FLORIDA TODAY. THE COMBINATION OF NORTHEAST WINDS AND NORTHEAST
SWELLS WILL LEAD TO RIP CURRENTS ALONG THE ATLANTIC BEACHES
OF SOUTH FLORIDA. THERE HAS BEEN 10 RESCUES ALREADY AT MIAMI
BEACH THIS MORNING...AND SWIMMERS ARE ADVISE TO REMAIN OUT OF
WATER TODAY. IF GOING INTO WATER...IT IS ADVICE TO SWIM NEAR LIFE
GUARDS.

BAXTER
Local storm report, Apr 16, 4:02 PM EDT, 20 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE MIAMI FL
402 PM EDT SAT APR 16 2016

..TIME...   ...EVENT...      ...CITY LOCATION...     ...LAT.LON...
..DATE...   ....MAG....      ..COUNTY LOCATION..ST.. ...SOURCE....
            ..REMARKS..

0605 PM     HAIL             1 WNW HYPOLUXO          26.57N  80.06W
04/15/2016  E2.00 INCH       PALM BEACH         FL   PUBLIC

            VIDEO OBTAINED VIA BROADCAST MEDIA OF HAIL SLIGHTLY
            LARGER THAN GOLF BALL SIZE IN LANTANA NEAR FEDERAL
            HIGHWAY AND HYPOLUXO ROAD.

&&

EVENT NUMBER MFL1600272

MOLLEDA
Special weather statement, Apr 16, 4:04 PM EDT, 18 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE MIAMI FL
404 PM EDT SAT APR 16 2016

FLZ067-071-162045-
INLAND BROWARD COUNTY FL-INLAND PALM BEACH COUNTY FL-
404 PM EDT SAT APR 16 2016

...SIGNIFICANT WEATHER ADVISORY FOR FREQUENT TO EXCESSIVE
LIGHTNING...SMALL HAIL AND 45 TO 55 MPH WINDS FOR NORTHWESTERN
BROWARD AND SOUTHWESTERN PALM BEACH COUNTIES UNTIL 445 PM EDT...

* AT 403 PM EDT...DOPPLER RADAR WAS TRACKING A STRONG THUNDERSTORM
  NEAR ROTENBERGER WILDLIFE REFUGE...OR 23 MILES SOUTH OF SOUTH BAY.
  THIS STORM WAS NEARLY STATIONARY.

* FREQUENT TO EXCESSIVE LIGHTNING...GUSTY WINDS FROM 45 TO 55 MPH...
  SMALL HAIL...TORRENTIAL DOWNPOURS...OR A COMBINATION OF THESE ARE
  POSSIBLE. LIGHTNING IS THE NUMBER ONE WEATHER RELATED KILLER IN
  FLORIDA. TREES AND OPEN SHELTERS OFFER NO PROTECTION. THESE WINDS
  CAN DOWN SMALL TREE LIMBS AND BRANCHES...AND BLOW AROUND UNSECURED
  SMALL OBJECTS. SEEK SHELTER IN A SAFE BUILDING UNTIL THE STORM
  PASSES.

* LOCATIONS IMPACTED INCLUDE...
  ROTENBERGER WILDLIFE REFUGE.

LAT...LON 2640 8087 2641 8068 2622 8067 2622 8087
TIME...MOT...LOC 2003Z 004DEG 1KT 2632 8079

KSCHARF

The office that day

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

IssuedProductOfficeCountiesLasted
Apr 15, 9:14 PM EDTSpecial Marine WarningMFL91 min
Apr 15, 10:39 PM EDTSpecial Marine WarningMFL66 min
Apr 16, 3:54 AM EDTRip Current StatementMFLBroward, Miami-Dade, Palm Beach7 days
Apr 16, 3:55 AM EDTSmall Craft AdvisoryMFL4 days
Apr 16, 4:52 AM EDTSpecial Marine WarningMFL53 min
Apr 16, 4:04 PM EDTSpecial Weather StatementMFLBroward41 min
Apr 16, 4:43 PM EDTSpecial Weather StatementMFLMiami-Dade47 min
Apr 16, 5:16 PM EDTSpecial Marine WarningMFL89 min
Apr 16, 5:27 PM EDTSpecial Weather StatementMFLCollier33 min
Apr 16, 5:57 PM EDTSpecial Weather StatementMFLMonroe48 min
Apr 16, 6:22 PM EDTSevere Thunderstorm WarningMFLMonroe38 min
Apr 16, 6:35 PM EDTSpecial Marine WarningMFL85 min
Apr 16, 6:35 PM EDTSpecial Weather StatementMFLCollier55 min
Apr 16, 6:59 PM EDTSpecial Weather StatementMFLMonroe31 min
Apr 16, 7:27 PM EDTSpecial Weather StatementMFLCollier48 min

Nearby

High Surf Advisories in Florida, 2016Every high surf advisory in 2016

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.