Alert archive / Florida / Coastal Flood Statements in 2017

Coastal Flood Statement 2, NWS Key West, FL

October 8, 2017Monroe County, Florida

NWS Key West, FL issued this coastal flood statement at Oct 8, 2017, 1:33 AM EDT for Monroe County, Florida. It was in force for 3 days.

The area

The counties it named.

The facts

Issued: Oct 8, 2017, 1:33 AM EDT (05:33 UTC)
Expired: Oct 11, 2017, 5:00 AM EDT
In force: 3 days
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 05:32 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 00:00Z, 5.6 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-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

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: 329 J/kg
Mixed-layer CIN: -63 J/kg
Mixed-layer LCL: 1109 m above ground
0-6 km bulk shear: 6 kt
0-1 km storm-relative helicity: -11 m²/s²
0-3 km storm-relative helicity: -35 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

Open this sounding in Storm Lab

The text

As transmitted.

971 
WHUS42 KKEY 080533
CFWKEY

COASTAL HAZARD MESSAGE
NATIONAL WEATHER SERVICE KEY WEST FL
133 AM EDT SUN OCT 8 2017

FLZ076>078-082000-
/O.CAN.KKEY.CF.Y.0003.000000T0000Z-171008T0900Z/
/O.NEW.KKEY.CF.S.0002.171008T0533Z-171008T2000Z/
MONROE UPPER KEYS-MONROE MIDDLE KEYS-MONROE LOWER KEYS-
133 AM EDT SUN OCT 8 2017

...COASTAL FLOOD ADVISORY IS CANCELLED...
...MINOR COASTAL FLOODING WILL PERSIST IN LOW-LYING AREAS...

* COASTAL FLOODING...OBSERVATIONS FROM AVAILABLE TIDE GAUGES IN
  THE FLORIDA KEYS INDICATE WATER LEVELS ABOUT THREE QUARTERS OF A
  FOOT ABOVE PREDICTED TIDES. MINOR SALTWATER FLOODING OF 
  LOW-LYING AREAS AND STREETS WILL LIKELY PERSIST ALONG PORTIONS 
  OF THE FLORIDA KEYS THROUGH MUCH OF THE UPCOMING WEEK. 

* TIMING...WATER LEVELS WILL PEAK AROUND THE TIMES OF HIGH
  TIDE...WHICH VARY WIDELY THROUGHOUT THE FLORIDA KEYS. PLEASE
  VISIT TIDESANDCURRENTS.NOAA.GOV FOR THE PREDICTED TIMES OF HIGH
  TIDE AT THE LOCATION NEAREST YOU. ABNORMALLY HIGH WATER LEVELS
  WILL LIKELY PERSIST ALONG PORTIONS OF THE FLORIDA KEYS FOR THE 
  NEXT SEVERAL DAYS. 

* IMPACTS...THE PRIMARY HAZARD WILL BE MINOR SALTWATER FLOODING OF
  YARDS...DOCKS...SEAWALLS...AND LOWEST ELEVATION STREETS. SOME 
  STORM DRAINS WILL BACK UP AND OVERFLOW. 

$$
BS

5 follow-up statements

455 
WHUS42 KKEY 081900
CFWKEY

COASTAL HAZARD MESSAGE
NATIONAL WEATHER SERVICE KEY WEST FL
300 PM EDT SUN OCT 8 2017

FLZ076>078-090900-
/O.EXT.KKEY.CF.S.0002.000000T0000Z-171009T0900Z/
MONROE UPPER KEYS-MONROE MIDDLE KEYS-MONROE LOWER KEYS-
300 PM EDT SUN OCT 8 2017

...MINOR COASTAL FLOODING WILL PERSIST ACROSS LOW-LYING AREAS...

* COASTAL FLOODING...OBSERVATIONS FROM AVAILABLE TIDE GAUGES
  ACROSS THE FLORIDA KEYS INDICATE WATER LEVELS ABOUT ONE FOOT
  ABOVE THE PREDICTED TIDES. IN ADDITION...REPORTS FROM THE GROUND
  ACROSS THE FLORIDA KEYS CONFIRM MINOR COASTAL FLOODING OF SOME
  LOW-LYING AREAS. MINOR SALTWATER FLOODING OF LOW-LYING AREAS AND
  STREETS IS EXPECTED TO PERSIST THROUGH TONIGHT...AND LIKELY
  THROUGH MUCH OF THE UPCOMING WEEK.
 
* TIMING...WATER LEVELS WILL PEAK AROUND THE TIMES OF HIGH
  TIDE...WHICH VARY WIDELY THROUGHOUT THE FLORIDA KEYS. HIGH TIDES
  ACROSS THE FLORIDA KEYS WILL OCCUR BETWEEN ABOUT 1000 AM AND 300
  PM FOR THE NEXT FEW DAYS...DEPENDING ON YOUR EXACT LOCATION. 
  PLEASE VISIT TIDESANDCURRENTS.NOAA.GOV FOR THE PREDICTED TIMES 
  OF HIGH TIDE AT THE LOCATION NEAREST YOU. ABNORMALLY HIGH WATER 
  LEVELS LIKELY WILL PERSIST ACROSS PORTIONS OF THE FLORIDA KEYS 
  FOR THE NEXT SEVERAL DAYS. 

* IMPACTS...THE PRIMARY HAZARD WILL BE MINOR SALTWATER FLOODING OF
  YARDS...DOCKS...SEAWALLS...AND THE LOWEST ELEVATION STREETS.
  SOME STORM DRAINS WILL BACK UP AND OVERFLOW AS WELL.

$$

KASPER

125 
WHUS42 KKEY 090716
CFWKEY

COASTAL HAZARD MESSAGE
NATIONAL WEATHER SERVICE KEY WEST FL
316 AM EDT MON OCT 9 2017

FLZ076>078-092000-
/O.EXT.KKEY.CF.S.0002.000000T0000Z-171009T2000Z/
MONROE UPPER KEYS-MONROE MIDDLE KEYS-MONROE LOWER KEYS-
316 AM EDT MON OCT 9 2017

...MINOR COASTAL FLOODING WILL PERSIST ACROSS LOW-LYING AREAS...

* COASTAL FLOODING...OBSERVATIONS FROM AVAILABLE TIDE GAUGES 
  ACROSS THE FLORIDA KEYS INDICATE WATER LEVELS ABOUT ONE FOOT 
  ABOVE THE PREDICTED TIDES. IN ADDITION...REPORTS FROM THE 
  GROUND ACROSS THE FLORIDA KEYS CONFIRM MINOR COASTAL FLOODING 
  OF SOME LOW-LYING AREAS. MINOR SALTWATER FLOODING OF LOW-LYING 
  AREAS AND STREETS IS EXPECTED TO PERSIST THROUGH TONIGHT...AND 
  LIKELY THROUGH MUCH OF THE UPCOMING WEEK. 

* TIMING...WATER LEVELS WILL PEAK AROUND THE TIMES OF HIGH 
  TIDE...WHICH VARY WIDELY THROUGHOUT THE FLORIDA KEYS. HIGH 
  TIDES ACROSS THE FLORIDA KEYS WILL OCCUR BETWEEN ABOUT 1000 AM 
  AND 300 PM FOR THE NEXT FEW DAYS...DEPENDING ON YOUR EXACT 
  LOCATION. PLEASE VISIT TIDESANDCURRENTS.NOAA.GOV FOR THE 
  PREDICTED TIMES OF HIGH TIDE AT THE LOCATION NEAREST YOU. 
  ABNORMALLY HIGH WATER LEVELS LIKELY WILL PERSIST ACROSS 
  PORTIONS OF THE FLORIDA KEYS FOR THE NEXT SEVERAL DAYS. 

* IMPACTS...THE PRIMARY HAZARD WILL BE MINOR SALTWATER FLOODING 
  OF YARDS...DOCKS...SEAWALLS...AND THE LOWEST ELEVATION 
  STREETS. SOME STORM DRAINS WILL BACK UP AND OVERFLOW AS WELL. 

$$

MCLOVIN

080 
WHUS42 KKEY 091840
CFWKEY

COASTAL HAZARD MESSAGE
NATIONAL WEATHER SERVICE KEY WEST FL
240 PM EDT MON OCT 9 2017

FLZ076>078-100900-
/O.EXT.KKEY.CF.S.0002.000000T0000Z-171010T0900Z/
MONROE UPPER KEYS-MONROE MIDDLE KEYS-MONROE LOWER KEYS-
240 PM EDT MON OCT 9 2017

...MINOR COASTAL FLOODING WILL PERSIST ACROSS LOW-LYING AREAS...

* COASTAL FLOODING...OBSERVATIONS FROM AVAILABLE TIDE GAUGES 
  ACROSS THE FLORIDA KEYS INDICATE WATER LEVELS ABOUT ONE FOOT 
  ABOVE THE PREDICTED TIDES. IN ADDITION...REPORTS FROM THE 
  GROUND ACROSS THE FLORIDA KEYS CONFIRM MINOR COASTAL FLOODING 
  OF SOME LOW-LYING AREAS. MINOR SALTWATER FLOODING OF LOW-LYING 
  AREAS AND STREETS IS EXPECTED TO PERSIST THROUGH TONIGHT...AND 
  LIKELY THROUGH MUCH OF THE UPCOMING WEEK. 

* TIMING...WATER LEVELS WILL PEAK AROUND THE TIMES OF HIGH
  TIDE...WHICH VARY WIDELY THROUGHOUT THE FLORIDA KEYS. HIGH TIDES
  ACROSS THE FLORIDA KEYS WILL OCCUR BETWEEN ABOUT 1100 AM AND 400
  PM FOR THE NEXT FEW DAYS...DEPENDING ON YOUR EXACT LOCATION. 
  PLEASE VISIT TIDESANDCURRENTS.NOAA.GOV FOR THE PREDICTED TIMES 
  OF HIGH TIDE AT THE LOCATION NEAREST YOU. ABNORMALLY HIGH WATER 
  LEVELS LIKELY WILL PERSIST ACROSS PORTIONS OF THE FLORIDA KEYS 
  FOR THE NEXT SEVERAL DAYS. 

* IMPACTS...THE PRIMARY HAZARD WILL BE MINOR SALTWATER FLOODING 
  OF YARDS...DOCKS...SEAWALLS...AND THE LOWEST ELEVATION 
  STREETS. SOME STORM DRAINS WILL BACK UP AND OVERFLOW AS WELL. 

$$

KASPER

398 
WHUS42 KKEY 100834
CFWKEY

COASTAL HAZARD MESSAGE
NATIONAL WEATHER SERVICE KEY WEST FL
434 AM EDT TUE OCT 10 2017

FLZ076>078-102100-
/O.EXT.KKEY.CF.S.0002.000000T0000Z-171010T2100Z/
MONROE UPPER KEYS-MONROE MIDDLE KEYS-MONROE LOWER KEYS-
434 AM EDT TUE OCT 10 2017

...MINOR COASTAL FLOODING WILL PERSIST ACROSS LOW-LYING AREAS...

* COASTAL FLOODING...OBSERVATIONS FROM AVAILABLE TIDE GAUGES
  ACROSS THE FLORIDA KEYS INDICATE WATER LEVELS ABOUT ONE HALF OF
  A FOOT ABOVE THE PREDICTED TIDES. IN ADDITION...REPORTS FROM THE
  GROUND ACROSS THE FLORIDA KEYS CONFIRM MINOR COASTAL FLOODING OF
  SOME LOW-LYING AREAS. MINOR SALTWATER FLOODING OF LOW-LYING
  AREAS AND STREETS IS EXPECTED TO PERSIST THROUGH TODAY...AND
  PERHAPS INTO TOMORROW. 

* TIMING...WATER LEVELS WILL PEAK AROUND THE TIMES OF HIGH
  TIDE...WHICH VARY WIDELY THROUGHOUT THE FLORIDA KEYS. HIGH TIDES
  ACROSS THE FLORIDA KEYS WILL OCCUR BETWEEN ABOUT 1100 AM AND 400
  PM FOR THE NEXT COUPLE OF DAYS...DEPENDING ON YOUR LOCATION.
  PLEASE VISIT TIDESANDCURRENTS.NOAA.GOV FOR THE PREDICTED TIMES
  OF HIGH TIDE AT THE LOCATION NEAREST YOU. ABNORMALLY HIGH WATER
  LEVELS LIKELY WILL PERSIST ACROSS PORTIONS OF THE FLORIDA KEYS
  FOR THE NEXT COUPLE OF DAYS. 

* IMPACTS...THE PRIMARY HAZARD WILL BE MINOR SALTWATER FLOODING 
  OF YARDS...DOCKS...SEAWALLS...AND THE LOWEST ELEVATION 
  STREETS. SOME STORM DRAINS WILL BACK UP AND OVERFLOW AS WELL.  

$$

945 
WHUS42 KKEY 102045
CFWKEY

COASTAL HAZARD MESSAGE
NATIONAL WEATHER SERVICE KEY WEST FL
445 PM EDT TUE OCT 10 2017

FLZ076>078-110900-
/O.EXT.KKEY.CF.S.0002.000000T0000Z-171011T0900Z/
MONROE UPPER KEYS-MONROE MIDDLE KEYS-MONROE LOWER KEYS-
445 PM EDT TUE OCT 10 2017

...MINOR COASTAL FLOODING WILL PERSIST ACROSS LOW-LYING AREAS...

* COASTAL FLOODING...OBSERVATIONS FROM AVAILABLE TIDE GAUGES
  ACROSS THE FLORIDA KEYS INDICATE WATER LEVELS ABOUT THREE
  QUARTERS OF A FOOT ABOVE THE PREDICTED TIDES. IN
  ADDITION...REPORTS FROM THE GROUND ACROSS THE FLORIDA KEYS
  CONFIRM MINOR COASTAL FLOODING OF SOME LOW-LYING AREAS. MINOR
  SALTWATER FLOODING OF LOW-LYING AREAS AND STREETS IS EXPECTED TO
  PERSIST THROUGH AT LEAST TONIGHT. 

* TIMING...WATER LEVELS WILL PEAK AROUND THE TIMES OF HIGH
  TIDE...WHICH VARY WIDELY THROUGHOUT THE FLORIDA KEYS. HIGHER
  HIGH TIDES WILL OCCUR TONIGHT BETWEEN ABOUT 100 AM AND 400 AM...
  DEPENDING ON YOUR LOCATION. PLEASE VISIT
  TIDESANDCURRENTS.NOAA.GOV FOR THE PREDICTED TIMES OF HIGH TIDE
  AT THE LOCATION NEAREST YOU. ABNORMALLY HIGH WATER LEVELS LIKELY
  WILL PERSIST IN PORTIONS OF THE FLORIDA KEYS FOR THE NEXT 
  COUPLE OF DAYS. 

* IMPACTS...THE PRIMARY HAZARD WILL BE MINOR SALTWATER FLOODING 
  OF YARDS...DOCKS...SEAWALLS...AND THE LOWEST ELEVATION 
  STREETS. SOME STORM DRAINS WILL BACK UP AND OVERFLOW AS WELL. 

$$

KN

Nearby

Coastal Flood Statements in Florida, 2017 Every coastal flood 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.