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 Wall Clouds?
Home - Education - Cloud Types - Wall Clouds
Next Topic: Altocumulus Clouds
A wall cloud forms underneath the base of a cumulonimbus cloud,
and can be a hotbed for deadly tornadoes.
Wall clouds are formed by air flowing into the cumulonimbus clouds, which can
result in the wall cloud descending from the base of the cumulonimbus cloud, or
rising fractus clouds which join to the base of the storm cloud as the wall cloud
takes shape.
Wall clouds can be very large, and in the Northern Hemisphere they generally
form at the southern edge of cumulonimbus clouds.
Next Topic: Altocumulus Clouds
Weather Topic: What are Altostratus Clouds?
Home - Education - Cloud Types - Altostratus Clouds
Next Topic: Cirrocumulus Clouds
Altostratus clouds form at mid to high-level altitudes
(between 2 and 7 km) and are created by a warm, stable air mass which causes
water vapor
to condense as it rise through the atmosphere. Usually altostratus clouds are
featureless sheets characterized by a uniform color.
In some cases, wind punching through the cloud formation may give it a waved
appearance, called altostratus undulatus. Altostratus clouds
are commonly seen with other cloud formations accompanying them.
Next Topic: Cirrocumulus Clouds
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