Alert archive / Florida / Rip Current Statements in 2017

Rip Current Statement 24, NWS Miami, FL

July 30, 2017Collier County, Florida

NWS Miami, FL issued this rip current statement at Jul 30, 2017, 3:30 PM EDT for Collier County, Florida. It took effect at Jul 31, 2017, 8:00 AM EDT. It was in force for 12 hr.

The area

The counties it named.

The facts

Issued
Jul 30, 2017, 3:30 PM EDT (19:30 UTC)
In effect from
Jul 31, 2017, 8:00 AM EDT
Expired
Jul 31, 2017, 8:00 PM EDT
In force
12 hr
Issued by
NWS Miami, FL

County Collier County, FL

The radar

The Miami radar (KAMX), 111 km from the middle of the area, began a volume at 19:32 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, 7.5 hours before the alert went out and 113 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 2017-07-30Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 889 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 2017-07-30The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 4 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
889 J/kg
Mixed-layer CIN
-15 J/kg
Mixed-layer LCL
1027 m above ground
0-6 km bulk shear
14 kt
0-1 km storm-relative helicity
4 m²/s²
0-3 km storm-relative helicity
29 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

659 
WHUS42 KMFL 301930
CFWMFL

URGENT - IMMEDIATE BROADCAST REQUESTED
COASTAL HAZARD MESSAGE
NATIONAL WEATHER SERVICE MIAMI FL
330 PM EDT SUN JUL 30 2017

FLZ069-010000-
/O.NEW.KMFL.RP.S.0024.170731T1200Z-170801T0000Z/
COASTAL COLLIER-
330 PM EDT SUN JUL 30 2017

...HIGH RIP CURRENT RISK IN EFFECT FROM MONDAY MORNING THROUGH
MONDAY EVENING...

THE NATIONAL WEATHER SERVICE IN MIAMI HAS ISSUED A HIGH RIP
CURRENT RISK, WHICH IS IN EFFECT FROM MONDAY MORNING THROUGH
MONDAY EVENING. 

* TIMING...MONDAY.

* IMPACTS...STRONG AND DANGEROUS RIP CURRENTS ARE FORECAST ALONG 
  THE ATLANTIC BEACHES OF SOUTH FLORIDA, WHICH WILL BE HAZARDOUS 
  FOR THOSE IN THE SURF ZONE. 

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.

SWIM NEAR A LIFEGUARD. IF CAUGHT IN A RIP CURRENT, RELAX AND
FLOAT. DON'T SWIM AGAINST THE CURRENT. IF ABLE, SWIM IN A
DIRECTION FOLLOWING THE SHORELINE. IF UNABLE TO ESCAPE, FACE THE
SHORE AND CALL OR WAVE FOR HELP.

&&

$$


HTTP://WWW.WEATHER.GOV/MIAMI
1 follow-up statement
203 
WHUS42 KMFL 310748
CFWMFL

URGENT - IMMEDIATE BROADCAST REQUESTED
COASTAL HAZARD MESSAGE
NATIONAL WEATHER SERVICE MIAMI FL
348 AM EDT MON JUL 31 2017

FLZ069-311600-
/O.CON.KMFL.RP.S.0024.170731T1200Z-170801T0000Z/
COASTAL COLLIER-
348 AM EDT MON JUL 31 2017

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

* TIMING...MONDAY.

* IMPACTS...STRONG AND DANGEROUS RIP CURRENTS ARE FORECAST ALONG 
  THE ATLANTIC BEACHES OF SOUTH FLORIDA, WHICH WILL BE HAZARDOUS 
  FOR THOSE IN THE SURF ZONE. 

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.

SWIM NEAR A LIFEGUARD. IF CAUGHT IN A RIP CURRENT, RELAX AND
FLOAT. DON'T SWIM AGAINST THE CURRENT. IF ABLE, SWIM IN A
DIRECTION FOLLOWING THE SHORELINE. IF UNABLE TO ESCAPE, FACE THE
SHORE AND CALL OR WAVE FOR HELP.

&&

$$

HTTP://WWW.WEATHER.GOV/MIAMI

The office that day

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

IssuedProductOfficeCountiesLasted
Jul 29, 8:51 PM EDTSpecial Marine WarningMFL54 min
Jul 30, 10:49 AM EDTSpecial Marine WarningMFL41 min
Jul 30, 12:09 PM EDTSpecial Marine WarningMFL66 min
Jul 30, 1:04 PM EDTSpecial Marine WarningMFL41 min
Jul 30, 2:57 PM EDTSpecial Marine WarningMFL93 min
Jul 30, 3:33 PM EDTSpecial Weather StatementMFLPalm Beach27 min
Jul 30, 3:34 PM EDTSpecial Marine WarningMFL56 min
Jul 30, 3:42 PM EDTSpecial Marine WarningMFL63 min
Jul 30, 4:27 PM EDTSpecial Marine WarningMFL93 min
Jul 30, 4:32 PM EDTSpecial Marine WarningMFL58 min
Jul 30, 4:38 PM EDTSpecial Marine WarningMFL97 min
Jul 30, 5:15 PM EDTSpecial Marine WarningMFL30 min
Jul 30, 5:19 PM EDTSpecial Weather StatementMFLCollier41 min
Jul 30, 5:26 PM EDTSpecial Marine WarningMFL34 min
Jul 30, 5:52 PM EDTSpecial Marine WarningMFL83 min
Jul 30, 5:57 PM EDTSpecial Weather StatementMFLBroward48 min
Jul 30, 6:18 PM EDTSpecial Weather StatementMFLMiami-Dade42 min
Jul 30, 6:31 PM EDTSpecial Weather StatementMFLCollier14 min
Jul 30, 6:33 PM EDTSpecial Weather StatementMFLBroward27 min
Jul 30, 6:38 PM EDTSpecial Marine WarningMFL112 min
Jul 30, 6:53 PM EDTSpecial Weather StatementMFLBroward52 min

Nearby

Rip Current Statements in Florida, 2017Every rip current statement in 2017

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.