A deep shortwave upper-level tropospheric trough and associated deepening surface low over the northeast Gulf of Mexico aided the development of strong thunderstorms in advance of a cold front.  The thunderstorms, preceded in a few areas of the Florida Keys coastal waters by discreet multi-cell thunderstorm clusters, brought widespread gale-force wind gusts throughout the Florida Keys and adjacent coastal waters.

Marine Thunderstorm Wind in HAWK CHANNEL FROM CRAIG KEY TO WEST END OF SEVEN MILE BRIDGE OUT TO THE REEF, GULF OF MEXICO
From 12-FEB-14 20:55:00 to 12-FEB-14 20:55:00 (EST-5)
Location: SOMBRERO KEY LIGHT
Magnitude: 42.00 MG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: C-MAN Station

A wind gust of 42 knots, or 48 mph, was measured at Sombrero Key Light.

Marine Thunderstorm Wind in HAWK CHANNEL FROM WEST END OF SEVEN MILE BRIDGE TO HALFMOON SHOAL OUT TO THE REEF, GULF OF MEXICO
From 12-FEB-14 21:01:00 to 12-FEB-14 21:01:00 (EST-5)
Location: SUMMERLAND KEY
Magnitude: 40.00 MG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Mesonet

A wind gust of 40 knots, or 46 mph, was measured at an automated Citizens Weather Observing Program station at the Florida Keys Aqueduct Authority Pump Station on Ramrod Key.

Marine Thunderstorm Wind in BAYSIDE AND GULFSIDE FROM CRAIG KEY TO WEST END OF SEVEN MILE BRIDGE, GULF OF MEXICO
From 12-FEB-14 21:03:00 to 12-FEB-14 21:03:00 (EST-5)
Location: LAYTON
Magnitude: 40.00 MG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: C-MAN Station

A wind gust of 40 knots, or 46 mph, was measured at Long Key Light.

Marine Thunderstorm Wind in HAWK CHANNEL FROM CRAIG KEY TO WEST END OF SEVEN MILE BRIDGE OUT TO THE REEF, GULF OF MEXICO
From 12-FEB-14 21:03:00 to 12-FEB-14 21:03:00 (EST-5)
Location: SOMBRERO KEY LIGHT
Magnitude: 45.00 MG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: C-MAN Station

A wind gust of 45 knots, or 52 mph, was measured at Sombrero Key Light.

Marine Thunderstorm Wind in HAWK CHANNEL FROM WEST END OF SEVEN MILE BRIDGE TO HALFMOON SHOAL OUT TO THE REEF, GULF OF MEXICO
From 12-FEB-14 21:11:00 to 12-FEB-14 21:11:00 (EST-5)
Location: SUMMERLAND KEY
Magnitude: 35.00 MG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Mesonet

A wind gust of 35 knots, or 40 mph, was measured at an automated Citizens Weather Observing Program station at the Florida Keys Aqueduct Authority Pump Station on Ramrod Key.

Marine Thunderstorm Wind in GULF OF MEXICO FROM WEST END OF SEVEN MILE BRIDGE TO HALFMOON SHOAL OUT TO 5 FATHOMS, GULF OF MEXICO
From 12-FEB-14 21:11:00 to 12-FEB-14 21:11:00 (EST-5)
Location: KEY WEST
Magnitude: 38.00 MG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Mesonet

A wind gust of 38 knots, or 44 mph, was measured at an automated Weatherflow station at the U.S. Coast Guard Sector Key West.

Marine Thunderstorm Wind in HAWK CHANNEL FROM CRAIG KEY TO WEST END OF SEVEN MILE BRIDGE OUT TO THE REEF, GULF OF MEXICO
From 12-FEB-14 21:23:00 to 12-FEB-14 21:23:00 (EST-5)
Location: DUCK KEY
Magnitude: 34.00 MG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Mesonet

A wind gust of 34 knots, or 39 mph, was measured at an automated Citizens Weather Observing Program station on Duck Key.

Marine Thunderstorm Wind in GULF OF MEXICO FROM WEST END OF SEVEN MILE BRIDGE TO HALFMOON SHOAL OUT TO 5 FATHOMS, GULF OF MEXICO
From 12-FEB-14 21:23:00 to 12-FEB-14 21:23:00 (EST-5)
Location: KEY WEST
Magnitude: 36.00 MG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Mesonet

A wind gust of 36 knots, or 41 mph, was measured at a rooftop automated Weatherlink station in downtown Key West.

Marine Thunderstorm Wind in HAWK CHANNEL FROM WEST END OF SEVEN MILE BRIDGE TO HALFMOON SHOAL OUT TO THE REEF, GULF OF MEXICO
From 12-FEB-14 21:23:00 to 12-FEB-14 21:23:00 (EST-5)
Location: KEY WEST
Magnitude: 42.00 MG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: ASOS

A wind gust of 42 knots, or 48 mph, was measured at Key West International Airport.

Marine Thunderstorm Wind in GULF OF MEXICO FROM WEST END OF SEVEN MILE BRIDGE TO HALFMOON SHOAL OUT TO 5 FATHOMS, GULF OF MEXICO
From 12-FEB-14 21:30:00 to 12-FEB-14 21:30:00 (EST-5)
Location: FLAMINGO
Magnitude: 34.00 MG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Mesonet

A wind gust of 34 knots, or 39 mph, was measured at a University of South Florida COMPS station in Northwest Florida Bay.

Marine Thunderstorm Wind in GULF OF MEXICO FROM WEST END OF SEVEN MILE BRIDGE TO HALFMOON SHOAL OUT TO 5 FATHOMS, GULF OF MEXICO
From 12-FEB-14 21:36:00 to 12-FEB-14 21:36:00 (EST-5)
Location: FLAMINGO
Magnitude: 34.00 MG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Mesonet

A wind gust of 34 knots, or 39 mph, was measured at a University of South Florida COMPS station in Northwest Florida Bay.

Marine Thunderstorm Wind in GULF OF MEXICO FROM WEST END OF SEVEN MILE BRIDGE TO HALFMOON SHOAL OUT TO 5 FATHOMS, GULF OF MEXICO
From 12-FEB-14 21:54:00 to 12-FEB-14 21:54:00 (EST-5)
Location: FLAMINGO
Magnitude: 34.00 MG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Mesonet

A wind gust of 34 knots, or 39 mph, was measured at a University of South Florida COMPS station in Northwest Florida Bay.

Marine Thunderstorm Wind in BAYSIDE AND GULFSIDE FROM CRAIG KEY TO WEST END OF SEVEN MILE BRIDGE, GULF OF MEXICO
From 12-FEB-14 22:18:00 to 12-FEB-14 22:18:00 (EST-5)
Location: MARATHON
Magnitude: 37.00 MG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Mesonet

A wind gust of 37 knots, or 43 mph, was measured at an automated Weatherlink station near the bayfront northwest of Marathon Airport.

Marine Thunderstorm Wind in HAWK CHANNEL FROM CRAIG KEY TO WEST END OF SEVEN MILE BRIDGE OUT TO THE REEF, GULF OF MEXICO
From 12-FEB-14 22:22:00 to 12-FEB-14 22:22:00 (EST-5)
Location: SOMBRERO KEY LIGHT
Magnitude: 37.00 MG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: C-MAN Station

A wind gust of 37 knots, or 43 mph, was measured at Sombrero Key Light.

Marine Thunderstorm Wind in BAYSIDE AND GULFSIDE FROM CRAIG KEY TO WEST END OF SEVEN MILE BRIDGE, GULF OF MEXICO
From 12-FEB-14 22:26:00 to 12-FEB-14 22:26:00 (EST-5)
Location: LAYTON
Magnitude: 38.00 MG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: C-MAN Station

A wind gust of 38 knots, or 44 mph, was measured at Long Key Light.

Marine Thunderstorm Wind in HAWK CHANNEL FROM OCEAN REEF TO CRAIG KEY OUT TO THE REEF, GULF OF MEXICO
From 12-FEB-14 22:30:00 to 12-FEB-14 22:30:00 (EST-5)
Location: CARYSFORT REEF LIGHT
Magnitude: 36.00 MG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Official NWS Observations

A wind gust of 36 knots, or 42 mph, was measured at an automated HANDAR station in North Key Largo.

Marine Thunderstorm Wind in HAWK CHANNEL FROM OCEAN REEF TO CRAIG KEY OUT TO THE REEF, GULF OF MEXICO
From 12-FEB-14 22:34:00 to 12-FEB-14 22:34:00 (EST-5)
Location: KEY LARGO
Magnitude: 36.00 MG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Mesonet

A wind gust of 36 knots, or 42 mph, was measured at an automated Weatherlink station in Rock Harbor.

Marine Thunderstorm Wind in HAWK CHANNEL FROM OCEAN REEF TO CRAIG KEY OUT TO THE REEF, GULF OF MEXICO
From 12-FEB-14 22:17:00 to 12-FEB-14 22:17:00 (EST-5)
Location: MOLASSES REEF LIGHT
Magnitude: 45.00 MG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: C-MAN Station

A wind gust of 45 knots, or 52 mph, was measured at Molasses Reef Light.

Marine Thunderstorm Wind in GULF OF MEXICO INCLUDING DRY TORTUGAS AND REBECCA SHOAL CHANNEL, GULF OF MEXICO
From 12-FEB-14 19:40:00 to 12-FEB-14 19:40:00 (EST-5)
Location: DRY TORTUGAS LIGHT
Magnitude: 41.00 MG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Other Federal Agency

A wind gust of 41 knots, or 47 mph, was measured at an automated station at Fort Jefferson National Monument at Dry Tortugas National Park.

Marine Thunderstorm Wind in GULF OF MEXICO FROM WEST END OF SEVEN MILE BRIDGE TO HALFMOON SHOAL OUT TO 5 FATHOMS, GULF OF MEXICO
From 12-FEB-14 20:18:00 to 12-FEB-14 20:18:00 (EST-5)
Location: KEY WEST
Magnitude: 45.00 MG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Utility Company

A wind gust of 45 knots, or 52 mph, was measured at an automated station at the Key West Wastewater Treatment Facility on Fleming Key.

Marine Thunderstorm Wind in HAWK CHANNEL FROM WEST END OF SEVEN MILE BRIDGE TO HALFMOON SHOAL OUT TO THE REEF, GULF OF MEXICO
From 12-FEB-14 20:36:00 to 12-FEB-14 20:36:00 (EST-5)
Location: SUMMERLAND KEY
Magnitude: 35.00 MG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Mesonet

A wind gust of 35 knots, or 40 mph, was measured at an automated Citizen Weather Observing Program station at the Florida Keys Aqueduct Authority Pump Station on Ramrod Key.

Marine Thunderstorm Wind in HAWK CHANNEL FROM WEST END OF SEVEN MILE BRIDGE TO HALFMOON SHOAL OUT TO THE REEF, GULF OF MEXICO
From 12-FEB-14 20:50:00 to 12-FEB-14 20:50:00 (EST-5)
Location: SUMMERLAND KEY
Magnitude: 43.00 MG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Mesonet

A wind gust of 44 knots, or 50 mph, was measured at an automated Citizen Weather Observing Program station at the Florida Keys Aqueduct Authority Pump Station on Ramrod Key.

Marine Thunderstorm Wind in HAWK CHANNEL FROM WEST END OF SEVEN MILE BRIDGE TO HALFMOON SHOAL OUT TO THE REEF, GULF OF MEXICO
From 12-FEB-14 20:53:00 to 12-FEB-14 20:53:00 (EST-5)
Location: SUMMERLAND KEY
Magnitude: 35.00 MG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Mesonet

A wind gust of 35 knots, or 40 mph, was measured at an automated Citizen Weather Observing Program station at the south shore of Cudjoe Bay.

Marine Thunderstorm Wind in HAWK CHANNEL FROM WEST END OF SEVEN MILE BRIDGE TO HALFMOON SHOAL OUT TO THE REEF, GULF OF MEXICO
From 12-FEB-14 20:43:00 to 12-FEB-14 20:43:00 (EST-5)
Location: SUMMERLAND KEY
Magnitude: 38.00 MG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Mesonet

A wind gust of 38 knots, or 44 mph, was measured at an automated Citizen Weather Observing Program station along the south shore of Cudjoe Key.

Marine Thunderstorm Wind in GULF OF MEXICO FROM WEST END OF SEVEN MILE BRIDGE TO HALFMOON SHOAL OUT TO 5 FATHOMS, GULF OF MEXICO
From 12-FEB-14 20:30:00 to 12-FEB-14 20:30:00 (EST-5)
Location: KEY WEST
Magnitude: 36.00 MG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Mesonet

A wind gust of 36 knots, or 41 mph, was measured at an automated Weatherflow station at the U.S. Coast Guard Sector Key West.