Alert archive / Florida / Rip Current Statements in 2017

Rip Current Statement 45, NWS Miami, FL

December 9, 2017Collier County, Florida

NWS Miami, FL issued this rip current statement at Dec 9, 2017, 3:42 AM EST for Collier County, Florida. It was in force for 39 hr.

The area

The counties it named.

The facts

Issued
Dec 9, 2017, 3:42 AM EST (08:42 UTC)
Expired
Dec 10, 2017, 7:00 PM EST
In force
39 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 08:42 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, 8.7 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 00:00Z on 2017-12-09Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 563 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 00:00Z on 2017-12-09The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 90 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
563 J/kg
Mixed-layer CIN
-39 J/kg
Mixed-layer LCL
959 m above ground
0-6 km bulk shear
24 kt
0-1 km storm-relative helicity
90 m²/s²
0-3 km storm-relative helicity
99 m²/s²
Significant tornado parameter
0.0
Supercell composite
1.1

Open this sounding in Storm Lab

The text

As transmitted.

333 
WHUS42 KMFL 090842
CFWMFL

URGENT - IMMEDIATE BROADCAST REQUESTED
COASTAL HAZARD MESSAGE
NATIONAL WEATHER SERVICE MIAMI FL
342 AM EST SAT DEC 9 2017


FLZ069-091645-
/O.NEW.KMFL.RP.S.0045.171209T0842Z-171210T1200Z/
COASTAL COLLIER-
342 AM EST SAT DEC 9 2017

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

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

* TIMING...THROUGH SUNDAY MORNING.

* IMPACTS...STRONG RIP CURRENTS ARE FORECAST TO OCCUR ALONG THE
  GULF BEACHES, 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.

&&

$$
2 follow-up statements
638 
WHUS42 KMFL 092100
CFWMFL

URGENT - IMMEDIATE BROADCAST REQUESTED
COASTAL HAZARD MESSAGE
NATIONAL WEATHER SERVICE MIAMI FL
400 PM EST SAT DEC 9 2017

FLZ069-100500-
/O.CON.KMFL.RP.S.0045.000000T0000Z-171210T1200Z/
COASTAL COLLIER-
400 PM EST SAT DEC 9 2017

...HIGH RIP CURRENT RISK REMAINS IN EFFECT THROUGH SUNDAY
MORNING...

* TIMING...THROUGH SUNDAY MORNING.

* IMPACTS...STRONG RIP CURRENTS ARE FORECAST TO OCCUR ALONG THE 
  GULF BEACHES, 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
571 
WHUS42 KMFL 100808
CFWMFL

URGENT - IMMEDIATE BROADCAST REQUESTED
COASTAL HAZARD MESSAGE
NATIONAL WEATHER SERVICE MIAMI FL
308 AM EST SUN DEC 10 2017

FLZ069-110000-
/O.EXT.KMFL.RP.S.0045.000000T0000Z-171211T0000Z/
COASTAL COLLIER-
308 AM EST SUN DEC 10 2017

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

* TIMING...THROUGH THIS EVENING.

* IMPACTS...STRONG RIP CURRENTS ARE FORECAST TO OCCUR ALONG THE 
  GULF BEACHES, 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
Dec 9, 3:35 AM ESTSpecial Marine WarningMFL55 min
Dec 9, 4:22 AM ESTSpecial Marine WarningMFL83 min
Dec 9, 4:41 AM ESTSpecial Weather StatementMFLGlades49 min
Dec 9, 5:08 AM ESTSpecial Weather StatementMFLCollier52 min
Dec 9, 5:28 AM ESTSpecial Weather StatementMFLCollier, Hendry62 min
Dec 9, 5:32 AM ESTSpecial Marine WarningMFL88 min
Dec 9, 5:39 AM ESTSevere Thunderstorm WarningMFLCollier, Hendry51 min
Dec 9, 6:15 AM ESTSpecial Marine WarningMFL2 hr
Dec 9, 6:27 AM ESTSpecial Weather StatementMFLCollier, Hendry78 min
Dec 9, 6:33 AM ESTSpecial Marine WarningMFL57 min
Dec 9, 6:59 AM ESTSpecial Marine WarningMFL46 min
Dec 9, 7:31 AM ESTSpecial Marine WarningMFL59 min
Dec 9, 7:42 AM ESTSpecial Weather StatementMFLBroward63 min
Dec 9, 7:54 AM ESTSpecial Weather StatementMFLBroward, Miami-Dade, Monroe, Palm Beach81 min
Dec 9, 8:13 AM ESTSpecial Marine WarningMFL2 hr
Dec 9, 10:13 AM ESTSpecial Marine WarningMFL62 min
Dec 9, 11:15 AM ESTSpecial Marine WarningMFL60 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.