Weather Alert in New York
Severe Thunderstorm Warning issued April 29 at 4:23PM EDT until April 29 at 5:15PM EDT by NWS Buffalo NY
AREAS AFFECTED: Genesee, NY; Livingston, NY; Monroe, NY; Ontario, NY; Wyoming, NY
DESCRIPTION: SVRBUF The National Weather Service in Buffalo has issued a * Severe Thunderstorm Warning for... Northeastern Wyoming County in western New York... Northern Livingston County in western New York... Southeastern Genesee County in western New York... South central Monroe County in western New York... West central Ontario County in western New York... * Until 515 PM EDT. * At 423 PM EDT, a severe thunderstorm was located near Pavilion, or 8 miles northwest of Geneseo, moving northeast at 45 mph. HAZARD...60 mph wind gusts and penny size hail. SOURCE...Radar indicated. IMPACT...Expect damage to roofs, siding, and trees. * Locations impacted include... Lakeville, Honeoye Falls, York, Perry Center, Martin, Avon, Leicester, Covington, Caledonia, and Pavilion. This includes the following highways... Interstate 390 between exits 8 and 12. Interstate 90 near exit 46.
INSTRUCTION: For your protection move to an interior room on the lowest floor of a building.
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Weather Topic: What are Contrails?
Home - Education - Cloud Types - 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
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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