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13 Nov 2024 Update: The tool was updated to use non-hash link style URLs. A shim is in place to translate the old URLs to the new ones, so nothing should be broken (famous last words). This was done to allow the HTML5 History API to provide a better user experience.

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2025 [KKEY] KEY_WEST (KEY, post 5/18/06) Dense Fog (FG) Advisory (Y) Number 1

Listing of Counties/Parishes/Zones Included in Product

RADAR Composite at Issuance Time

Storm Based Warning History

139 
WWUS72 KKEY 012230
NPWKEY

URGENT - WEATHER MESSAGE
National Weather Service Key West FL
530 PM EST Sat Feb 1 2025

FLZ077-078-020630-
/O.NEW.KKEY.FG.Y.0001.250201T2230Z-250202T1200Z/
Monroe Middle Keys-Monroe Lower Keys-
Including the cities of Marathon and Key West
530 PM EST Sat Feb 1 2025

...DENSE FOG ADVISORY IN EFFECT UNTIL 7 AM EST SUNDAY FLORIDA KEYS 
FROM CUDJOE TO KEY COLONY BEACH...

* WHAT...Visibility one quarter of a mile or less in dense fog 
  Florida Keys from Cudjoe to Key Colony Beach.

* WHERE...Monroe Lower Keys and Monroe Middle Keys.

* WHEN...Until 7 AM EST Sunday.

* IMPACTS...Low visibility could make driving conditions hazardous.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

If driving, slow down, use your headlights, and leave plenty of 
distance ahead of you.

&&

$$

SD
605 
WWUS72 KKEY 020616
NPWKEY

URGENT - WEATHER MESSAGE
National Weather Service Key West FL
116 AM EST Sun Feb 2 2025

FLZ077-078-021200-
/O.CON.KKEY.FG.Y.0001.000000T0000Z-250202T1200Z/
Monroe Middle Keys-Monroe Lower Keys-
Including the cities of Key West and Marathon
116 AM EST Sun Feb 2 2025

...DENSE FOG ADVISORY REMAINS IN EFFECT UNTIL 7 AM EST THIS MORNING 
FLORIDA KEYS FROM CUDJOE TO KEY COLONY BEACH...

* WHAT...Visibility one quarter of a mile or less in dense fog 
  Florida Keys from Key West to Key Colony Beach.

* WHERE...Monroe Lower Keys and Monroe Middle Keys.

* WHEN...Until 7 AM EST this morning.

* IMPACTS...Low visibility could make driving conditions hazardous.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

If driving, slow down, use your headlights, and leave plenty of 
distance ahead of you.

&&

$$

JAM
361 
WWUS72 KKEY 020627 CCA
NPWKEY

URGENT - WEATHER MESSAGE...CORRECTED
National Weather Service Key West FL
127 AM EST Sun Feb 2 2025

Corrected headline to updated locations

FLZ077-078-021200-
/O.COR.KKEY.FG.Y.0001.000000T0000Z-250202T1200Z/
Monroe Middle Keys-Monroe Lower Keys-
Including the cities of Key West and Marathon
127 AM EST Sun Feb 2 2025

...DENSE FOG ADVISORY REMAINS IN EFFECT UNTIL 7 AM EST THIS MORNING 
FLORIDA KEYS FROM KEY WEST TO KEY COLONY BEACH...

* WHAT...Visibility one quarter of a mile or less in dense fog 
  Florida Keys from Key West to Key Colony Beach.

* WHERE...Monroe Lower Keys and Monroe Middle Keys.

* WHEN...Until 7 AM EST this morning.

* IMPACTS...Low visibility could make driving conditions hazardous.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

If driving, slow down, use your headlights, and leave plenty of 
distance ahead of you.

&&

$$

JAM
609 
WWUS72 KKEY 020851
NPWKEY

URGENT - WEATHER MESSAGE
National Weather Service Key West FL
351 AM EST Sun Feb 2 2025

FLZ077-078-021000-
/O.CAN.KKEY.FG.Y.0001.000000T0000Z-250202T1200Z/
Monroe Middle Keys-Monroe Lower Keys-
Including the cities of Key West and Marathon
351 AM EST Sun Feb 2 2025

...DENSE FOG ADVISORY IS CANCELLED...

Dense fog is no longer being observed across the Lower and Middle 
Keys, though a few areas of thin fog may develop or remain into the 
late morning hours.

$$

JAM
Permalink to 202502012230-KKEY-WWUS72-NPWKEY
139 
WWUS72 KKEY 012230
NPWKEY

URGENT - WEATHER MESSAGE
National Weather Service Key West FL
530 PM EST Sat Feb 1 2025

FLZ077-078-020630-
/O.NEW.KKEY.FG.Y.0001.250201T2230Z-250202T1200Z/
Monroe Middle Keys-Monroe Lower Keys-
Including the cities of Marathon and Key West
530 PM EST Sat Feb 1 2025

...DENSE FOG ADVISORY IN EFFECT UNTIL 7 AM EST SUNDAY FLORIDA KEYS 
FROM CUDJOE TO KEY COLONY BEACH...

* WHAT...Visibility one quarter of a mile or less in dense fog 
  Florida Keys from Cudjoe to Key Colony Beach.

* WHERE...Monroe Lower Keys and Monroe Middle Keys.

* WHEN...Until 7 AM EST Sunday.

* IMPACTS...Low visibility could make driving conditions hazardous.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

If driving, slow down, use your headlights, and leave plenty of 
distance ahead of you.

&&

$$

SD
Permalink to 202502020616-KKEY-WWUS72-NPWKEY
605 
WWUS72 KKEY 020616
NPWKEY

URGENT - WEATHER MESSAGE
National Weather Service Key West FL
116 AM EST Sun Feb 2 2025

FLZ077-078-021200-
/O.CON.KKEY.FG.Y.0001.000000T0000Z-250202T1200Z/
Monroe Middle Keys-Monroe Lower Keys-
Including the cities of Key West and Marathon
116 AM EST Sun Feb 2 2025

...DENSE FOG ADVISORY REMAINS IN EFFECT UNTIL 7 AM EST THIS MORNING 
FLORIDA KEYS FROM CUDJOE TO KEY COLONY BEACH...

* WHAT...Visibility one quarter of a mile or less in dense fog 
  Florida Keys from Key West to Key Colony Beach.

* WHERE...Monroe Lower Keys and Monroe Middle Keys.

* WHEN...Until 7 AM EST this morning.

* IMPACTS...Low visibility could make driving conditions hazardous.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

If driving, slow down, use your headlights, and leave plenty of 
distance ahead of you.

&&

$$

JAM
Permalink to 202502020627-KKEY-WWUS72-NPWKEY-CCA
361 
WWUS72 KKEY 020627 CCA
NPWKEY

URGENT - WEATHER MESSAGE...CORRECTED
National Weather Service Key West FL
127 AM EST Sun Feb 2 2025

Corrected headline to updated locations

FLZ077-078-021200-
/O.COR.KKEY.FG.Y.0001.000000T0000Z-250202T1200Z/
Monroe Middle Keys-Monroe Lower Keys-
Including the cities of Key West and Marathon
127 AM EST Sun Feb 2 2025

...DENSE FOG ADVISORY REMAINS IN EFFECT UNTIL 7 AM EST THIS MORNING 
FLORIDA KEYS FROM KEY WEST TO KEY COLONY BEACH...

* WHAT...Visibility one quarter of a mile or less in dense fog 
  Florida Keys from Key West to Key Colony Beach.

* WHERE...Monroe Lower Keys and Monroe Middle Keys.

* WHEN...Until 7 AM EST this morning.

* IMPACTS...Low visibility could make driving conditions hazardous.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

If driving, slow down, use your headlights, and leave plenty of 
distance ahead of you.

&&

$$

JAM
Permalink to 202502020851-KKEY-WWUS72-NPWKEY
609 
WWUS72 KKEY 020851
NPWKEY

URGENT - WEATHER MESSAGE
National Weather Service Key West FL
351 AM EST Sun Feb 2 2025

FLZ077-078-021000-
/O.CAN.KKEY.FG.Y.0001.000000T0000Z-250202T1200Z/
Monroe Middle Keys-Monroe Lower Keys-
Including the cities of Key West and Marathon
351 AM EST Sun Feb 2 2025

...DENSE FOG ADVISORY IS CANCELLED...

Dense fog is no longer being observed across the Lower and Middle 
Keys, though a few areas of thin fog may develop or remain into the 
late morning hours.

$$

JAM

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