Weather Alert in New York

Current Alerts for New York City, NY: Extreme Cold Watch

Extreme Cold Watch issued February 5 at 12:51AM EST until February 8 at 1:00PM EST by NWS Albany NY

AREAS AFFECTED: Northern Herkimer; Hamilton; Southern Herkimer; Southern Fulton; Montgomery; Schoharie; Western Schenectady; Western Albany; Western Greene; Western Ulster; Northern Fulton

DESCRIPTION: * WHAT...Dangerously cold wind chills between 25 and 35 degrees below zero possible. * WHERE...The southwestern Adirondacks, Mohawk Valley, Schoharie County, Helderbergs and eastern Catskills in eastern New York. * WHEN...From Saturday morning through Sunday afternoon. * IMPACTS...The dangerously cold wind chills as low as 35 below zero could cause frostbite on exposed skin in as little as 10 minutes.

INSTRUCTION: Dress in layers including a hat, face mask, and gloves if you must go outside. To prevent water pipes from freezing; wrap or drain or allow them to drip slowly.

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Current U.S. National Radar--Current

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National Weather Forecast--Current

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North America Water Vapor (Moisture)

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Weather Topic: What are Contrails?

Home - Education - Cloud Types - Contrails

Contrails Next Topic: Cumulonimbus Clouds

A contrail is an artificial cloud, created by the passing of an aircraft.

Contrails form because water vapor in the exhaust of aircraft engines is suspended in the air under certain temperatures and humidity conditions. These contrails are called exhaust contrails.

Another type of contrail can form due to a temporary reduction in air pressure moving over the plane's surface, causing condensation. These are called aerodynamic contrails.

When you can see your breath on a cold day, it is also because of condensation. The reason contrails last longer than the condensation from your breath is because the water in contrails freezes into ice particles.

Next Topic: Cumulonimbus Clouds

Weather Topic: What are Cumulus Clouds?

Home - Education - Cloud Types - Cumulus Clouds

Cumulus Clouds Next Topic: Drizzle

Cumulus clouds are fluffy and textured with rounded tops, and may have flat bottoms. The border of a cumulus cloud is clearly defined, and can have the appearance of cotton or cauliflower.

Cumulus clouds form at low altitudes (rarely above 2 km) but can grow very tall, becoming cumulus congestus and possibly the even taller cumulonimbus clouds. When cumulus clouds become taller, they have a greater chance of producing precipitation.

Next Topic: Drizzle

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