Weather Alert in New York

Recent Locations: Heltonville, IN   Rochester, NY  
Current Alerts for Rochester, NY: Cold Weather Advisory Winter Weather Advisory

Extreme Cold Warning issued February 6 at 12:19AM EST until February 8 at 1:00PM 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...Dangerously cold wind chills of 25 to 40 below zero expected. * WHERE...The St. Lawrence Valley and northern Adirondacks of New York. * WHEN...From 7 AM Saturday to 1 PM EST Sunday. * IMPACTS...The dangerously cold wind chills as low as 40 below zero could cause frostbite on exposed skin in as little as 10 minutes. Frostbite and hypothermia will occur if unprotected skin is exposed to these temperatures.

INSTRUCTION: Persons are urged to stay indoors until conditions improve. If you must go outside, dress in layers. Several layers of clothes will keep you warmer than a single heavy coat. Cover exposed skin to reduce your risk of frostbite or hypothermia. Gloves, a scarf, and a hat will keep you from losing your body heat. Keep pets indoors as much as possible.

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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 is Condensation?

Home - Education - Precipitation - Condensation

Condensation Next Topic: Contrails

Condensation is the process which creates clouds, and therefore it is a crucial process in the water cycle. Condensation is the change of matter from a state of gas into a state of liquid, and it happens because water molecules release heat into the atmosphere and become organized into a more closely packed structure, what we might see as water droplets.

Water is always present in the air around us as a vapor, but it's too small for us to see. When water undergoes the process of condensation it becomes organized into visible water droplets. You've probably seen condensation happen before on the surface of a cold drink!

Next Topic: Contrails

Weather Topic: What are Cumulonimbus Clouds?

Home - Education - Cloud Types - Cumulonimbus Clouds

Cumulonimbus Clouds Next Topic: Cumulus Clouds

The final form taken by a growing cumulus cloud is the cumulonimbus cloud, which is very tall and dense. The tower of a cumulonimbus cloud can soar 23 km into the atmosphere, although most commonly they stop growing at an altitude of 6 km.

Even small cumulonimbus clouds appear very large in comparison to other cloud types. They can signal the approach of stormy weather, such as thunderstorms or blizzards.

Next Topic: Cumulus Clouds

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