Weather Alert in New York

Recent Locations: Madison, GA   Somers, NY  

Flood Watch issued June 9 at 4:16AM EDT until June 10 at 2:00AM EDT by NWS Buffalo NY

AREAS AFFECTED: Monroe; Wayne; Wyoming; Livingston; Ontario; Chautauqua; Cattaraugus; Allegany; Southern Erie

DESCRIPTION: * WHAT...Flash flooding caused by excessive rainfall is possible. * WHERE...A portion of western New York, including the following counties, Allegany, Cattaraugus, Chautauqua, Livingston, Monroe, Ontario, Southern Erie, Wayne and Wyoming. * WHEN...From 2 PM EDT this afternoon through late tonight. * IMPACTS...Excessive runoff may result in flooding of rivers, creeks, streams, and other low-lying and flood-prone locations. * ADDITIONAL DETAILS... - A slow moving cold front will track across Western and North Central New York this afternoon and evening, with the potential for heavy rain. Repeated storms over any given location will have the potential to lead to poor drainage flooding and Flash Flooding. - http://www.weather.gov/safety/flood

INSTRUCTION: You should monitor later forecasts and be prepared to take action should Flash Flood Warnings be issued.

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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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