Winter Weather
Decision Support Briefing #1 Current Hazards
As of: 6:00 AM Nov 15, 2018
First Winter Storm of the Season to
Impact the Tri-State Region
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Main Points
Hazard Impacts Location Timing
• Snowfall of up to 6 inches Much of the Lower Hud
Snow expected. Visibilities down to Valley, NE NJ, and This afternoon and tonight
1/2 mile. Hazardous travel. Interior S CT
• Sleet and Snow accumulation
Mixed NYC Metro, LI, Coastal
of up to 3 inches. Difficult This afternoon and evening
Precip CT and S Westchester
Travel.
• Ice accumulation of up to a Much of the Lower Hud
Freezing quarter inch will make travel Valley, NE NJ, and Tonight
Rain dangerous. Interior S CT
Vulnerable locales along
Coastal Minor Inundation in vulnerable NY/NJ Harbor, Jamaica
Early Friday morning
Impacts areas. Bay, S and E Bays of LI,
and W LI Sound
Strong 20 to 35 mph with gusts to 45 NYC Metro, LI, Coastal E
Tonight and Friday
Winds mph. CT
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Summary of Greatest Impacts
Snow: Much of the Lower Hud Valley, NE NJ, and
Interior S CT
None Limited Elevated Significant Extreme
Mixed Precip: NYC Metro, LI, Coastal CT and
Westchester
None Limited Elevated Significant Extreme
Freezing Rain: Much of the Lower Hud Valley, NE
NJ, and Interior S CT
None Limited Elevated Significant Extreme
Coastal Impacts: Vulnerable locales along NY
Harbor, Jamaica Bay, Bays of LI, and W LI Sound
None Limited Elevated Significant Extreme
Strong Winds: NYC Metro, LI, Coastal CT and
Westchester
None Limited Elevated Significant Extreme
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Heavy Snow
Official Expected Snowfall Forecast Hazards:
Heavy snow changing to a wintery mix then rain or
freezing rain
Most snow over the interior
Impacts:
Difficult travel
Timing:
Heaviest snow this afternoon and evening.
Uncertainty:
The timing of the changeover will depend on how
rapidly the warm air makes it into the region
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Heavy Snow
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Ice
Hazards:
Up to a quarter inch of ice across the
interior
Impacts:
Dangerous travel
Timing:
Tonight
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Coastal Flooding
Marine / Coastal Hazards
Coastal Flood Hazards and Impacts:
Minor coastal flooding.
Minor inundation in vulnerable locales
Timing:
During times of high tide early Friday
morning
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Strong Winds
Hazards:
Gusts to around 45 mph possible,
especially eastern CT and Long Island
Impacts:
Isolated downed trees and tree limbs
Dangerous travel conditions for high
profile vehicles
Timing:
Tonight into Friday
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Event Summary
First Winter Storm of the Season
Hazardous travel, especially over the interior, due to snow and ice
accumulations
Wintry precipitation will be falling across all but perhaps portions of
Long Island during the afternoon/evening commute
Minor wind damage possible tonight into Friday, particularly eastern
Connecticut and Long Island
Minor tidal flooding
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Contact and Next Briefing Information
Next Briefing
This is the final briefing, unless
significant changes to the forecast
warrant an update.
Facebook:
http://www.facebook.com/NWSNewYorkNY
Web: Twitter:
http://www.weather.gov/okx/ http://www.twitter.com/NWSNewYorkNY
YouTube:
https://www.youtube.com/user/NWSNewYor
kNY
Disclaimer: The information contained within this briefing is
time-sensitive, do not use after 5 PM Thursday (11/15/18).
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