Alert archive / Florida / Coastal Flood Statements in 2012

Coastal Flood Statement 4, NWS Key West, FL

October 26, 2012Monroe County, Florida

NWS Key West, FL issued this coastal flood statement at Oct 26, 2012, 12:51 PM EDT for Monroe County, Florida. It took effect at Oct 26, 2012, 6:00 PM EDT. It was in force for 19 hr.

The area

The counties it named.

The facts

Issued
Oct 26, 2012, 12:51 PM EDT (16:51 UTC)
In effect from
Oct 26, 2012, 6:00 PM EDT
Expired
Oct 27, 2012, 12:51 PM EDT
In force
19 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 16:53 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, 4.9 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 2012-10-26Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 21 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 2012-10-26The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 27 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
21 J/kg
Mixed-layer CIN
-22 J/kg
Mixed-layer LCL
566 m above ground
0-6 km bulk shear
9 kt
0-1 km storm-relative helicity
27 m²/s²
0-3 km storm-relative helicity
-18 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.

029 
WHUS42 KKEY 261651
CFWKEY

COASTAL HAZARD MESSAGE
NATIONAL WEATHER SERVICE KEY WEST FL
1251 PM EDT FRI OCT 26 2012

FLZ077-078-270600-
/O.NEW.KKEY.CF.S.0004.121026T2200Z-121027T0600Z/
MONROE MIDDLE KEYS-MONROE LOWER KEYS-
1251 PM EDT FRI OCT 26 2012

...MINOR COASTAL FLOODING NEAR HIGH TIDE THIS EVENING...

* COASTAL FLOODING...ASTRONOMICAL HIGH TIDE COMBINED WITH ABOVE
  NORMAL WATER LEVELS DUE TO STRONG NORTHWEST WINDS ASSOCIATED WITH
  HURRICANE SANDY WILL RESULT IN MINIMAL COASTAL FLOODING OF LOW
  LYING AREAS...PARTICULARLY ON THE GULF SIDE OF THE LOWER AND
  MIDDLE KEYS THIS EVENING AND TONIGHT...BEGINNING SHORTLY BEFORE
  HIGH TIDE...AND PERSISTING FOR SEVERAL HOURS AFTER HIGH TIDE. WATER
  LEVELS ARE EXPECTED TO PEAK AROUND 2.1 FEET ABOVE MEAN SEA LEVEL.

* TIMING...AT KEY WEST...THE HIGHER HIGH TIDE WILL OCCUR AT 836 PM
  THIS EVENING. AT VACA CUT...THE HIGHER HIGH TIDE WILL OCCUR AT 112
  AM TONIGHT.

* IMPACTS...THE PRIMARY HAZARD WILL BE MINOR STREET FLOODING OF A FEW
  INCHES IN DEPTH ON THE LOWEST ELEVATION STREETS...MAINLY ON THE
  GULF SIDE OF THE LOWER AND MIDDLE KEYS. NO SIGNIFICANT COASTAL
  FLOODING IS EXPECTED.

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

ADDITIONAL COASTAL FLOOD STATEMENTS WILL BE ISSUED AS NEEDED.

$$

11
3 follow-up statements
203 
WHUS42 KKEY 270125 AAA
CFWKEY

COASTAL HAZARD MESSAGE...UPDATED
NATIONAL WEATHER SERVICE KEY WEST FL
925 PM EDT FRI OCT 26 2012

FLZ077-078-270800-
/O.EXT.KKEY.CF.S.0004.000000T0000Z-121027T0800Z/
MONROE MIDDLE KEYS-MONROE LOWER KEYS-
925 PM EDT FRI OCT 26 2012

UPDATED TO EXTEND TIMING THROUGH 3 AM LOCAL
...MINOR COASTAL FLOODING NEAR HIGH TIDE OVERNIGHT...

* COASTAL FLOODING...ASTRONOMICAL HIGH TIDE COMBINED WITH ABOVE 
  NORMAL WATER LEVELS DUE TO STRONG NORTHWEST WINDS ASSOCIATED 
  WITH HURRICANE SANDY WILL RESULT IN MINIMAL COASTAL FLOODING 
  OF LOW LYING AREAS...PARTICULARLY ON THE GULF SIDE OF THE 
  LOWER AND MIDDLE KEYS THIS EVENING AND TONIGHT...BEGINNING 
  SHORTLY BEFORE HIGH TIDE...AND PERSISTING FOR SEVERAL HOURS 
  AFTER HIGH TIDE. WATER LEVELS ARE EXPECTED TO PEAK AROUND 2.1 
  FEET ABOVE MEAN SEA LEVEL. 

* TIMING...AT KEY WEST...THE HIGHER HIGH TIDE IS ALREADY OCCURRING.
  AT VACA CUT...THE HIGHER HIGH TIDE WILL OCCUR AT 113 AM TONIGHT.

* IMPACTS...THE PRIMARY HAZARD WILL BE MINOR STREET FLOODING OF 
  A FEW INCHES IN DEPTH ON THE LOWEST ELEVATION STREETS...MAINLY 
  ON THE GULF SIDE OF THE LOWER AND MIDDLE KEYS. NO SIGNIFICANT 
  COASTAL FLOODING IS EXPECTED. 

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

ADDITIONAL COASTAL FLOOD STATEMENTS WILL BE ISSUED AS NEEDED.

$$

BWC
646 
WHUS42 KKEY 270652
CFWKEY

COASTAL HAZARD MESSAGE
NATIONAL WEATHER SERVICE KEY WEST FL
252 AM EDT SAT OCT 27 2012

FLZ077-078-272100-
/O.EXT.KKEY.CF.S.0004.000000T0000Z-121027T2100Z/
MONROE MIDDLE KEYS-MONROE LOWER KEYS-
252 AM EDT SAT OCT 27 2012

...MINOR COASTAL FLOODING NEAR HIGH TIDES TODAY...

* COASTAL FLOODING...ASTRONOMICAL HIGH TIDE COMBINED WITH ABOVE
  NORMAL WATER LEVELS DUE TO STRONG NORTHWEST WINDS WILL RESULT IN
  MINIMAL COASTAL FLOODING OF LOW LYING AREAS...PARTICULARLY ON THE
  GULF SIDE OF THE LOWER AND MIDDLE KEYS TODAY. WATER LEVELS ARE EXPECTED
  TO PEAK AROUND 2.1 FEET ABOVE MEAN SEA LEVEL.

* TIMING...AT KEY WEST...THERE IS A HIGH TIDE AT 925 AM. AT VACA
  CUT...THERE IS A HIGH TIDE AT 218 THIS AFTERNOON.

* IMPACTS...THE PRIMARY HAZARD WILL BE MINOR STREET FLOODING OF 
  A FEW INCHES IN DEPTH ON THE LOWEST ELEVATION STREETS...MAINLY 
  ON THE GULF SIDE OF THE LOWER AND MIDDLE KEYS. NO SIGNIFICANT 
  COASTAL FLOODING IS EXPECTED. 

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

ADDITIONAL COASTAL FLOOD STATEMENTS WILL BE ISSUED AS NEEDED.

$$
272 
WHUS42 KKEY 271651
CFWKEY

COASTAL HAZARD MESSAGE
NATIONAL WEATHER SERVICE KEY WEST FL
1251 PM EDT SAT OCT 27 2012

FLZ077-078-281000-
/O.CAN.KKEY.CF.S.0004.000000T0000Z-121027T2100Z/
/O.NEW.KKEY.CF.Y.0001.121027T1651Z-121028T1000Z/
MONROE MIDDLE KEYS-MONROE LOWER KEYS-
1251 PM EDT SAT OCT 27 2012

...COASTAL FLOOD ADVISORY IN EFFECT THIS AFTERNOON THROUGH TONIGHT...

* COASTAL FLOODING...PERSISTENT STRONG NORTHWEST WINDS CONTINUES TO
  PUSH GULF WATER TOWARDS THE FLORIDA KEYS. THIS IS RESULTING IN
  MINOR COASTAL FLOODING OF LOW LYING AREAS...PARTICULARLY ON THE
  GULF SIDE OF THE FLORIDA KEYS. WATER LEVELS ARE EXPECTED TO PEAK
  AROUND 2.75 FEET ABOVE MEAN SEA LEVEL AROUND THE TIME OF HIGH
  TIDE...AND FOR SEVERAL HOURS AFTER.

* TIMING...THE HIGHEST WATER LEVEL WILL OCCUR FROM AROUND 700 PM TO
  MIDNIGHT IN THE LOWER AND MIDDLE KEYS...BUT FLOODING WILL CONTINUE
  THROUGH THE EARLY MORNING HOURS.

* IMPACTS...THE PRIMARY HAZARD WILL BE MINOR STREET FLOODING OF
  AROUND HALF A FOOT IN DEPTH ON THE LOWEST ELEVATION
  STREETS...MOSTLY ON THE GULF SIDE OF THE FLORIDA KEYS...AND NEAR
  OVERFLOWING STORM DRAINS.

PLEASE REPORT OBSERVED TIDAL 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 TIDAL FLOODING...YOU MAY NEED TO
MOVE PERSONAL PROPERTY TO HIGHER GROUND.

A COASTAL FLOOD ADVISORY INDICATES THAT ONSHORE WINDS AND TIDES WILL
COMBINE TO GENERATE FLOODING OF LOW AREAS ALONG THE SHORE.

$$

FLZ076-281000-
/O.NEW.KKEY.CF.Y.0001.121027T1651Z-121028T1000Z/
MONROE UPPER KEYS-
1251 PM EDT SAT OCT 27 2012

...COASTAL FLOOD ADVISORY IN EFFECT THIS AFTERNOON THROUGH
TONIGHT...

THE NATIONAL WEATHER SERVICE IN KEY WEST HAS ISSUED A COASTAL
FLOOD ADVISORY FOR THIS AFTERNOON THROUGH TONIGHT.

* COASTAL FLOODING...PERSISTENT STRONG NORTHWEST WINDS CONTINUES TO
  PUSH GULF WATER TOWARDS THE FLORIDA KEYS. THIS IS RESULTING IN
  MINOR COASTAL FLOODING OF LOW LYING AREAS...PARTICULARLY ON THE
  BAY SIDE OF THE UPPER KEYS. WATER LEVELS ARE EXPECTED TO PEAK
  AROUND 2.75 FEET ABOVE MEAN SEA LEVEL AROUND THE TIME OF HIGH
  TIDE...AND FOR SEVERAL HOURS AFTER.

* TIMING...THE HIGHEST WATER LEVEL WILL OCCUR FROM AROUND 800 PM TO
  100 AM...BUT FLOODING WILL OCCUR THROUGH THE MORNING HOURS.

* IMPACTS...THE PRIMARY HAZARD WILL BE MINOR STREET FLOODING OF
  AROUND ONE HALF OF ONE FOOT IN DEPTH ON THE LOWEST ELEVATION
  STREETS...MAINLY ON THE BAY SIDE OF THE FLORIDA KEYS.

PLEASE REPORT OBSERVED TIDAL 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 TIDAL FLOODING...YOU MAY NEED TO
MOVE PERSONAL PROPERTY TO HIGHER GROUND.

A COASTAL FLOOD ADVISORY INDICATES THAT ONSHORE WINDS AND TIDES
WILL COMBINE TO GENERATE FLOODING OF LOW AREAS ALONG THE SHORE.

&&

$$

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.