Snow in the evening...then snow with a chance of thunderstorms after midnight. Blowing snow. Snow may be heavy at times. Visibility one quarter mile or less at times. Additional snow accumulation of 12 to 16 inches. Very windy with lows in the lower 20s. Northeast winds 25 to 35 mph with gusts up to 45 mph...becoming north 35 to 40 mph with gusts up to 55 mph after midnight. Chance of snow near 100 percent.
Snow with a chance of thunderstorms in the morning...then snow in the afternoon. Blowing snow. Snow may be heavy at times in the morning with visibility one quarter mile or less at times. Additional heavy snow accumulation. Very windy and cold with highs in the mid 20s. North winds 35 to 40 mph with gusts up to 55 mph. Chance of snow near 100 percent.
Cloudy...snow...mainly in the evening. Blowing snow. Additional light snow accumulation. Very windy with lows around 16. North winds 30 to 40 mph with gusts up to 50 mph... becoming northwest 20 to 25 mph with gusts up to 35 mph after midnight. Chance of snow 90 percent.
Partly sunny and blustery. Highs in the upper 20s. Wind chill values as low as zero in the morning.
... Blizzard Warning remains in effect from 1 PM Monday to midnight EST Tuesday night...
* locations... New York City and surrounding immediate suburbs... Long Island... and most of southern Connecticut.
* Hazard types... heavy snow and blowing snow... with blizzard conditions.
* Accumulations... snow accumulation of 20 to 30 inches... with locally higher amounts possible. Snowfall rates of 2 to 4 inches per hour expected late Monday night into Tuesday morning.
* Winds... north 30 to 40 mph with gusts 55 to 65 mph... strongest across eastern Long Island.
* Visibilities... one quarter mile or less at times.
* Temperatures... in the lower 20s.
* Timing... light snow will begin Monday morning... with accumulations of 1 to 3 inches possible by the evening rush. Snow will pick up in intensity Monday evening... with the heaviest snow and strongest winds from about midnight Monday night into Tuesday afternoon.
* Impacts... life-threatening conditions and extremely dangerous travel due to heavy snowfall and strong winds... with whiteout conditions. Secondary and tertiary roads may become impassable. Strong winds may down power lines and tree limbs.
A Blizzard Warning means severe winter weather conditions are expected or occurring. Falling and blowing snow with strong winds and poor visibilities will lead to whiteout conditions... making travel extremely dangerous. Do not travel. If you must travel... have a winter survival kit with you. If you get stranded... stay with your vehicle.
All unnecessary travel is discouraged beginning Monday afternoon... to allow people already on the Road to safely reach their destinations before the heavy snow begins... and to allow snow removal equipment to begin to clear roads.
Coastal Flood Watch
Statement as of 8:31 PM EST on January 25, 2015
... Coastal Flood Watch in effect late Monday night...
The National Weather Service in New York has issued a coastal Flood Watch... which is in effect late Monday night.
* Locations... low lying coastal areas along New York Harbor... tidally affected rivers in New Jersey... and South Shore bays of New York City and western Long Island.
* Tidal departures... most likely 2 1/2 to 3 ft surge above astronomical tide. A low probability of 3 1/2 ft surge above astronomical tide.
* Timing... during the times of high tide between 1 am and 4 am late Monday night into early Tuesday morning.
* Beach erosion impacts... significant beach erosion and washovers along ocean facing barrier beaches of Long Island due to 10 to 15 ft waves and high storm tide. A few exposed water front structures may be damaged.
* Coastal flood impacts... potential for flooding of vulnerable shore roads and/or basements due to height of storm tide and/or wave action. Several shore Road closures may be needed.
A coastal Flood Watch means that conditions favorable for flooding are expected to develop. Coastal residents should be alert for later statements or warnings... and take action to protect property.
... Most likely NY Harbor water levels for Monday night/early Tuesday morning...