Alert archive / Florida / Rip Current Statements in 2011

Rip Current Statement 10, NWS Miami, FL

October 5, 2011Broward County, Miami-Dade County, Palm Beach County, Florida

NWS Miami, FL issued this rip current statement at Oct 5, 2011, 4:30 AM EDT for Broward County, Miami-Dade County, Palm Beach County, Florida. It was in force for 49 hr.

The area

The counties it named.

The facts

Issued
Oct 5, 2011, 4:30 AM EDT (08:30 UTC)
Expired
Oct 7, 2011, 5:00 AM EDT
In force
49 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 08:33 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-pSkew-T log-p diagram, Miami, FL at 00:00Z on 2011-10-05Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCL10008507005003002001001 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 2011-10-05The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -4 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
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
1298 m above ground
0-6 km bulk shear
19 kt
0-1 km storm-relative helicity
-4 m²/s²
0-3 km storm-relative helicity
32 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.

424 
WHUS42 KMFL 050830
CFWMFL

COASTAL HAZARD MESSAGE
NATIONAL WEATHER SERVICE MIAMI FL
430 AM EDT WED OCT 5 2011

FLZ168-172-173-060900-
/O.NEW.KMFL.RP.S.0010.111005T0830Z-111006T0900Z/
COASTAL PALM BEACH-COASTAL BROWARD-COASTAL MIAMI DADE-
430 AM EDT WED OCT 5 2011

...HIGH RIP CURRENT RISK THROUGH TONIGHT...

* TIMING...NORTHEAST WINDS SUSTAINED AT 15 TO 20 MPH WILL RESULT
  IN A HIGH RISK OF RIP CURRENTS BOTH TODAY AND TONIGHT. THE RISK
  WILL BE PARTICULARLY ELEVATED NEAR THE TIMES OF LOW TIDE.

* IMPACTS...WHEN THE RIP CURRENT RISK IS HIGH, THE SURF ZONE IS
  DANGEROUS FOR ALL LEVELS OF SWIMMERS. IF YOU DO SWIM, ALWAYS
  SWIM IN SIGHT OF A LIFEGUARD AND NEVER SWIM ALONE.

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.

&&

$$


PLEASE VISIT THE FOLLOWING WEBSITE TO SHARE YOUR THOUGHTS ON THE
NEW RIP CURRENT HAZARD...

HTTP://WWW.WEATHER.GOV/SURVEY/NWS-SURVEY.PHP?CODE=RCVTECCHM
1 follow-up statement
992 
WHUS42 KMFL 060825
CFWMFL

COASTAL HAZARD MESSAGE
NATIONAL WEATHER SERVICE MIAMI FL
425 AM EDT THU OCT 6 2011

FLZ168-172-173-070900-
/O.EXT.KMFL.RP.S.0010.000000T0000Z-111007T0900Z/
COASTAL PALM BEACH-COASTAL BROWARD-COASTAL MIAMI DADE-
425 AM EDT THU OCT 6 2011

...HIGH RISK OF RIP CURRENTS CONTINUES...

* TIMING...EAST NORTHEAST WINDS SUSTAINED AT 15 TO 20 MPH WILL
  AGAIN RESULT IN A HIGH RISK OF RIP CURRENTS BOTH TODAY AND
  TONIGHT. THE RISK WILL BE PARTICULARLY ELEVATED AROUND TIMES OF
  LOW TIDE LATE THIS MORNING AND LATE THIS EVENING.

* IMPACTS...WHEN THE RIP CURRENT RISK IS HIGH, THE SURF ZONE IS
  DANGEROUS FOR ALL LEVELS OF SWIMMERS. IF YOU DO SWIM, ALWAYS
  SWIM IN SIGHT OF A LIFEGUARD AND NEVER SWIM ALONE.

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.

&&

$$

PLEASE VISIT THE FOLLOWING WEBSITE TO SHARE YOUR THOUGHTS ON THE
NEW RIP CURRENT HAZARD...

HTTP://WWW.WEATHER.GOV/SURVEY/NWS-SURVEY.PHP?CODE=RCVTECCHM

Nearby

Rip Current Statements in Florida, 2011Every rip current statement in 2011

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.