Alert archive / Florida / Coastal Flood Statements in 2012

Coastal Flood Statement 8, NWS Key West, FL

November 14, 2012Monroe County, Florida

NWS Key West, FL issued this coastal flood statement at Nov 14, 2012, 12:09 PM EST for Monroe County, Florida. It was in force for 11 hr.

The area

The counties it named.

The facts

Issued
Nov 14, 2012, 12:09 PM EST (17:09 UTC)
Expired
Nov 14, 2012, 11:00 PM EST
In force
11 hr
Issued by
NWS Key West, FL

County Monroe County, FL

The radar

The Miami radar (KAMX), 51 km from the middle of the area, began a volume at 17:09 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, 5.2 hours before the alert went out and 69 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 2012-11-14Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 986 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 12:00Z on 2012-11-14The 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
986 J/kg
Mixed-layer CIN
-12 J/kg
Mixed-layer LCL
698 m above ground
0-6 km bulk shear
7 kt
0-1 km storm-relative helicity
-52 m²/s²
0-3 km storm-relative helicity
-26 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.

724 
WHUS42 KKEY 141709
CFWKEY

COASTAL HAZARD MESSAGE
NATIONAL WEATHER SERVICE KEY WEST FL
1209 PM EST WED NOV 14 2012

FLZ076>078-150400-
/O.NEW.KKEY.CF.S.0008.121114T1709Z-121115T0400Z/
MONROE UPPER KEYS-MONROE MIDDLE KEYS-MONROE LOWER KEYS-
1209 PM EST WED NOV 14 2012

...MINOR COASTAL FLOODING POSSIBLE DURING HIGH TIDES THROUGH
TONIGHT... 

* COASTAL FLOODING...MINOR COASTAL FLOODING IS LIKELY TO OCCUR THIS
  EVENING IN LOW LYING AREAS MAINLY DUE TO HIGH TIDES REACHING NEAR
  ONE HALF FOOT ABOVE PROJECTED HIGH TIDES. FOR THE LOWER KEYS THE
  PROJECTED TIDES ARE NEAR 2.5 FEET...AND BETWEEN 1.5 AND 1.8 FEET
  ALONG THE BAY SIDE THROUGH THE UPPER KEYS...WITH NEARLY ONE HALF
  FOOT ADDED IN THE OBSERVATIONS. THERE IS A POSSIBILITY FOR MINOR
  COASTAL FLOODING AROUND THE TIME OF HIGH TIDE THROUGH TONIGHT. HIGH
  TIDE AT VACA KEYS WILL OCCUR AT 356 PM...AND HIGH TIDE AT KEY WEST
  HARBOR WILL OCCUR AT 934 PM TONIGHT. LOCATIONS MOST AFFECTED MAY
  SEE UP TO ONE HALF FOOT OF WATER PONDING ALONG LOW LYING AREAS AND
  NEAR STORM DRAINS...ESPECIALLY AT LOCATIONS ALONG THE LOWER KEYS.

* TIMING...MINOR COASTAL FLOODING OF LOW-LYING AREAS WILL OCCUR WITH
  THE HIGHEST WATER LEVELS LIKELY OCCURRING AT THE TIME OF HIGH
  TIDE...BUT THE EXACT TIMING OF THE MINOR COASTAL FLOODING AT ANY
  POINT THROUGHOUT THE THE KEYS WILL DEPEND ON THE LOCATION.

* IMPACTS...THE PRIMARY HAZARD WILL BE MINOR STREET FLOODING IN THE
  LOWEST ELEVATION STREETS. SOME STORM DRAINS MAY OVERFLOW...AND SOME
  LOW LYING DOCKS AND SEAWALLS MAY BE OVER TOPPED AS WELL. FLOODING
  IS MOST LIKELY TO OCCUR ALONG THE LOWER FLORIDA KEYS.

PLEASE REPORT OBSERVED COASTAL FLOODING TO YOUR FLORIDA KEYS
NATIONAL WEATHER SERVICE OFFICE AT 305-295-1316 EXTENSION 3.

ADDITIONAL COASTAL FLOOD STATEMENTS WILL BE ISSUED AS NEEDED.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

IF YOU LIVE IN A LOCATION PRONE TO COASTAL FLOODING...YOU MAY
NEED TO MOVE PERSONAL PROPERTY TO HIGHER GROUND.

$$

BWC
1 follow-up statement
387 
WHUS42 KKEY 150359
CFWKEY

COASTAL HAZARD MESSAGE
NATIONAL WEATHER SERVICE KEY WEST FL
1059 PM EST WED NOV 14 2012

FLZ076>078-150500-
/O.EXP.KKEY.CF.S.0008.000000T0000Z-121115T0400Z/
MONROE UPPER KEYS-MONROE MIDDLE KEYS-MONROE LOWER KEYS-
1059 PM EST WED NOV 14 2012

...THREAT OF MINOR COASTAL FLOODING HAS DIMINISHED...

THE NATIONAL WEATHER SERVICE IN KEY WEST HAS ALLOWED THE COASTAL
FLOOD STATEMENT...WHICH WAS IN EFFECT FOR LOW LYING AREAS IN THE
FLORIDA KEYS...TO EXPIRE. TIDE LEVELS WHICH RECENTLY PEAKED NEAR 2.9
FEET IN THE LOWER KEYS...AND NEAR 2 FEET ALONG THE BAY SIDE IN THE
UPPER KEYS...ARE ALREADY SUBSIDING.

PLEASE REPORT OBSERVED COASTAL FLOODING TO YOUR FLORIDA KEYS
NATIONAL WEATHER SERVICE OFFICE AT 305-295-1316 EXTENSION 3.

ADDITIONAL COASTAL FLOOD STATEMENTS WILL BE ISSUED AS NEEDED. 


$$

The office that day

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

IssuedProductOfficeCountiesLasted
Nov 13, 11:00 PM ESTCoastal Flood StatementKEYMonroe5 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.