Weather Alert in New York

Recent Locations: Calcium, NY  
Current Alerts for Calcium, NY: Winter Weather Advisory

Winter Weather Advisory issued February 9 at 12:55PM EST until February 11 at 7:00AM EST by NWS Burlington VT

AREAS AFFECTED: Northern St. Lawrence; Northern Franklin; Southeastern St. Lawrence; Southern Franklin; Western Clinton; Western Essex; Southwestern St. Lawrence

DESCRIPTION: * WHAT...Snow expected. Total snow accumulations between 3 and 6 inches. * WHERE...The St. Lawrence Valley and the northern Adirondacks. * WHEN...From 10 AM Tuesday to 7 AM EST Wednesday. * IMPACTS...The heaviest snowfall rates are expected to occur during the Tuesday evening commute and will likely increase impacts during this time. Roads, and especially bridges and overpasses, will likely become slick and hazardous. Plan on slippery road conditions. The hazardous conditions could also impact the Wednesday morning commute. * ADDITIONAL DETAILS...The heaviest snow will occur between 2 PM and 6 PM. Snowfall rates could exceed 1 to 1.5 inch per hour rates at times.

INSTRUCTION: Slow down and use caution while traveling. For the latest on road conditions in New York, visit https://511ny.org.

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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 Cirrus Clouds?

Home - Education - Cloud Types - Cirrus Clouds

Cirrus Clouds Next Topic: Condensation

Cirrus clouds are high-level clouds that occur above 20,000 feet and are composed mainly of ice crystals. They are thin and wispy in appearance.

What do they indicate?
They are often the first sign of an approaching storm.

Next Topic: Condensation

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

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