Heavy Lake Effect Snow and Bitterly Cold Temperatures
A bitterly cold airmass will settle over much of the central and eastern U.S over the next several days. Well below normal temperatures and cold wind chills will be common. In addition, heavy lake effect snow will be possible especially downwind of Lakes Erie and Ontario, where up to one foot of additional snow is forecast by Sunday morning.
Hazardous Weather Conditions
High and low forecast temperature values represent air temperature.
Last Update: 12:15 pm EST Feb 13, 2016
Forecast Valid: 1pm EST Feb 13, 2016-6pm EST Feb 19, 2016
THE APPROXIMATE SHOREWARD EDGE OF THE GULF STREAM AS OF FEBRUARY ELEVENTH...
52 NM SOUTH OF DRY TORTUGAS LIGHT...ON LOGGERHEAD KEY. 11 NM SOUTH OF COSGROVE SHOAL LIGHT...OFF THE MARQUESAS KEYS. 4 NM SOUTH OF SAND KEY LIGHT...OFF KEY WEST. 3 NM SOUTH OF LOOE KEY...OFF BIG PINE KEY. 2 NM SOUTH OF SOMBRERO KEY LIGHT...OFF MARATHON. LESS THAN 1 NM SOUTHEAST OF ALLIGATOR REEF LIGHT...OFF ISLAMORADA. 2 NM SOUTHEAST OF MOLASSES REEF LIGHT...OFF KEY LARGO. 6 NM EAST OF CARYSFORT REEF LIGHT...OFF OCEAN REEF.
GULF STREAM INFORMATION COURTESY OF THE NAVAL OCEANOGRAPHIC OFFICE.
- This forecast is for a single location. For safety concerns, mariners should be aware of the weather over a larger area. Forecast information for a larger area can be found within the zone forecast and the NDFD graphics.
- The forecast conditions at a particular point may not exceed the criteria of a Small Craft Advisory, Gale, Storm etc. These watches/warnings/advisories are issued for the entire zone in which the point resides and mariners should act accordingly.