Weather Alert in New York
Flood Watch issued March 12 at 2:26AM EDT until March 12 at 5:00PM EDT by NWS Buffalo NY
AREAS AFFECTED: Jefferson; Lewis
DESCRIPTION: * WHAT...Flooding caused by rain and snowmelt continues to be possible. * WHERE...A portion of central New York, including the following counties, Jefferson and Lewis. * WHEN...Through this afternoon. * IMPACTS...Excessive runoff from snowmelt and rainfall may result in flooding of rivers, creeks, streams, and other low-lying and flood-prone locations. Ice jams will also be possible in areas where significant ice remains. * ADDITIONAL DETAILS... - Rainfall amounts of three quarters of an inch to an inch and a half were observed over the last 24 hours. Additional rain amounts of less than a tenth of an inch are expected this morning. Warmer weather over the last few days has resulted in snow melt, with a deep snow pack in place across the Black River basin. This will continue to cause rises on the Black River, Moose River, Independence River, and Beaver River as well as other tributaries. There is a risk of flooding due to high flows or ice jams. - http://www.weather.gov/safety/flood
INSTRUCTION: You should monitor later forecasts and be alert for possible Flood Warnings. Those living in areas prone to flooding should be prepared to take action should flooding develop.
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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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