Alert archive / Florida / Coastal Flood Statements in 2012

Coastal Flood Statement 7, NWS Miami, FL

October 30, 2012Broward County, Miami-Dade County, Palm Beach County, Florida

NWS Miami, FL issued this coastal flood statement at Oct 30, 2012, 8:09 AM EDT for Broward County, Miami-Dade County, Palm Beach County, Florida. It was in force for 16 hr.

The area

The counties it named.

The facts

Issued
Oct 30, 2012, 8:09 AM EDT (12:09 UTC)
Expired
Oct 31, 2012, 12:00 AM EDT
In force
16 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 12:08 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, 0.2 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 12:00Z on 2012-10-30Temperature 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 12:00Z on 2012-10-30The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -25 square meters per square second.1939587897117136Sfc1 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
1114 m above ground
0-6 km bulk shear
49 kt
0-1 km storm-relative helicity
-25 m²/s²
0-3 km storm-relative helicity
3 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.

803 
WHUS42 KMFL 301209
CFWMFL

COASTAL HAZARD MESSAGE
NATIONAL WEATHER SERVICE MIAMI FL
809 AM EDT TUE OCT 30 2012

FLZ168-172-310200-
/O.NEW.KMFL.CF.S.0007.121030T1209Z-121031T0400Z/
/O.CON.KMFL.RP.S.0031.000000T0000Z-121031T0400Z/
COASTAL PALM BEACH-COASTAL BROWARD-
809 AM EDT TUE OCT 30 2012

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

...MINOR COASTAL FLOODING POSSIBLE NEAR HIGH TIDES...

* COASTAL FLOODING...MINOR COASTAL FLOODING IS POSSIBLE ALONG THE
  IMMEDIATE COAST...PARTICULARLY IN THE FORT LAUDERDALE BEACH AREA.

* TIMING...HIGH RIP CURRENT RISK THROUGH THIS EVENING. MINOR
  COASTAL FLOODING DURING HIGH TIDES...BETWEEN 8 AM EDT AND 10 AM
  EDT...AND AGAIN BETWEEN 8 PM EDT AND 10 PM EDT.

* IMPACTS...MODERATE SURF AND RIP CURRENTS WILL CONTINUE ALONG THE
  ATLANTIC BEACHES CREATING HAZARDOUS SWIMMING CONDITIONS. MINOR
  COASTAL FLOODING OF SEA WATER MAY WASH ONTO LOCALIZED ROADS
  DURING HIGH TIDE. BEACH EROSION WILL ALSO AFFECT THE ATLANTIC
  BEACHES DUE TO THE HIGH SURF.

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.

&&

$$

FLZ173-310200-
/O.NEW.KMFL.CF.S.0007.121030T1209Z-121031T0400Z/
/O.EXA.KMFL.RP.S.0031.000000T0000Z-121031T0400Z/
COASTAL MIAMI DADE-
809 AM EDT TUE OCT 30 2012

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

...MINOR COASTAL FLOODING POSSIBLE NEAR HIGH TIDES...

* COASTAL FLOODING...MINOR COASTAL FLOODING IS POSSIBLE ALONG THE
  IMMEDIATE COAST.

* TIMING...HIGH RIP CURRENT RISK THROUGH THIS EVENING. MINOR
  COASTAL FLOODING DURING HIGH TIDES...BETWEEN 8 AM EDT AND 10 AM
  EDT...AND AGAIN BETWEEN 8 PM EDT AND 10 PM EDT.

* IMPACTS...MODERATE SURF AND RIP CURRENTS WILL CONTINUE ALONG THE
  ATLANTIC BEACHES CREATING HAZARDOUS SWIMMING CONDITIONS. MINOR
  COASTAL FLOODING OF SEA WATER MAY WASH ONTO LOCALIZED ROADS
  DURING HIGH TIDE. BEACH EROSION WILL ALSO AFFECT THE ATLANTIC
  BEACHES DUE TO THE HIGH SURF.

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.

&&

$$

BNB/KONARIK

The office that day

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

IssuedProductOfficeCountiesLasted
Oct 29, 10:28 PM EDTRip Current StatementMFLBroward, Miami-Dade, Palm Beach26 hr
Oct 30, 7:55 AM EDTRed Flag WarningMFLBroward10 hr
Oct 30, 6:05 PM EDTSmall Craft AdvisoryMFL10 hr

Nearby

Coastal Flood Statements in Florida, 2012Every coastal flood statement in 2012

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.