Issued: Sunday March 12, 2017 at 6:30 a.m.
EST
Blizzard Possible
Major Winter Storm Monday Night
Monday Night and
into Tuesday
Tuesday Night
Winter Storm Watch
Winter Storm Watch
BlizzardWatch
Blizzard Watch
Building a Weather Ready Nation @ www.weather.gov/nyc
US National Weather Service New York NY @NWSNewYorkNY
Main Points
Hazard Impacts Timing
12-18 likelyUp to 2 possible
Late Monday Night and
Heavy Snow Snowfall rates of 2- 4/hr possible
Tuesday
Whiteout conditions likely.
35 to 50 mph NY/NJ metro & coast
Gusts to 60 across E LI/SE CT Tuesday Morning into
Wind Blowing and drifting snow Afternoon
Potential for power outages
The high tide cycles
Coastal Flooding Minor to locally moderate impacts Tuesday morning into
early afternoon
Wind gusts of 45-55+ KT possible
Marine Seas 15-20 on the ocean and 4 to Tuesday
8 on the Sound
Late Monday Night and
Temperatures 20s interior to lower 30s coast Tuesday
Building a Weather Ready Nation @ www.weather.gov/nyc
US National Weather Service New York NY @NWSNewYorkNY
Most Likely Snow Forecast
Building a Weather Ready Nation @ www.weather.gov/nyc
US National Weather Service New York NY @NWSNewYorkNY
Minimum and Maximum Snowfall Potential
Minimum Maximum
Expect at least this much: Potential for this much:
Building a Weather Ready Nation @ www.weather.gov/nyc
US National Weather Service New York NY @NWSNewYorkNY
Weather Prediction Center Forecast Map: 8 a.m. Tuesday
Building a Weather Ready Nation @ www.weather.gov/nyc
US National Weather Service New York NY @NWSNewYorkNY
Forecast Uncertainties
Based on Storm Track
Location of Heavy Snow Bands
A storm track along western edge of model guidance would result in some
mixed precip across E LI/SE CT and result in heaviest snow amounts
across western half of the Tri-State region.
A storm track along the western edge of model guidance would result in
heaviest snow amounts east of the Hudson River.
Western extent of strong to damaging wind gusts
Magnitude of Coastal Flooding
Minor to locally moderate coastal impacts likely
Low probability of widespread moderate coastal impacts
Building a Weather Ready Nation @ www.weather.gov/nyc
US National Weather Service New York NY @NWSNewYorkNY
Event Summary
Heavy Snow Expected Late Monday
Night Through Tuesday
Damaging Wind gusts possible for E LI and SE CT
Blizzard Conditions likely for NY/NJ Metro and Coast
Minor to locally Moderate Coastal Impacts likely
Period of Greatest Impact:
Tuesday (Both the Morning and Evening Commute)
Building a Weather Ready Nation @ www.weather.gov/nyc
US National Weather Service New York NY @NWSNewYorkNY
Next Presentation Update
Additional Electronic Briefings will be Provided
Maintain Your Situational Awareness
Check www.weather.gov/nyc
Building a Weather Ready Nation @ www.weather.gov/nyc
US National Weather Service New York NY @NWSNewYorkNY
