Weather Alert in New York
Flood Watch issued March 9 at 1:52PM EDT until March 12 at 2:00PM EDT by NWS Burlington VT
AREAS AFFECTED: Northern St. Lawrence; Northern Franklin; Eastern Clinton; Southeastern St. Lawrence; Southern Franklin; Western Clinton; Western Essex; Eastern Essex; Southwestern St. Lawrence; Grand Isle; Western Franklin; Orleans; Essex; Western Chittenden; Lamoille; Caledonia; Washington; Western Addison; Orange; Western Rutland; Eastern Franklin; Eastern Chittenden; Eastern Addison; Eastern Rutland; Western Windsor; Eastern Windsor
DESCRIPTION: Warm temperatures may melt snowpack and increase river flows. * WHAT...Flooding caused by a combination of rain, snowmelt, and ice jams is possible. * WHERE...All of northern New York and northern and central Vermont. * WHEN...Through Thursday afternoon. * IMPACTS...Excessive runoff from snowmelt and rainfall will cause sharp river rises, likely resulting in river ice break up. Ice jams will be possible, along with rapid onset flooding. Flooding of rivers, creeks, streams, and other low-lying and flood-prone locations will be possible and creeks and streams may rise out of their banks. * ADDITIONAL DETAILS... - Mild temperatures will lead to rapid rises on area rivers through early this week. This will be followed by widespread rain Wednesday into Thursday. Rising rivers will cause river ice to break up and flow, potentially resulting in ice jams and associated flooding. As rain moves in Wednesday, the threat will turn more toward open water flooding for those waterways that have lost their ice. Any open water flooding will likely persist through Thursday. - 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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