Weather Alert in Maine
Flood Watch issued May 9 at 8:58AM EDT until May 11 at 12:00AM EDT by NWS Gray ME
AREAS AFFECTED: Southern Oxford; Northern Grafton; Northern Carroll; Southern Grafton; Southern Carroll; Sullivan; Merrimack; Belknap; Cheshire; Eastern Hillsborough; Western And Central Hillsborough
DESCRIPTION: A slow moving low pressure system with plenty of moisture will affect the flood watch area through Saturday with periods of soaking rainfall. Wet antecedent conditions across New Hampshire and western Maine could allow for possible flooding late tonight through Saturday night, with one and a half to three inches of rain expected. * WHAT...Flooding caused by excessive rainfall continues to be possible. Saturated ground with additional rainfall expected through tomorrow morning will create risk for flooding. * WHERE...Portions of western Maine, including the following area, Southern Oxford and New Hampshire, including the following areas, Belknap, Cheshire, Eastern Hillsborough, Merrimack, Northern Carroll, Northern Grafton, Southern Carroll, Southern Grafton, Sullivan and Western And Central Hillsborough. * WHEN...From 2 PM EDT this afternoon through Saturday evening. * IMPACTS...Excessive runoff may result in flooding of rivers, streams, and other low-lying and flood-prone locations. Flooding may occur in poor drainage and urban areas.
INSTRUCTION: You should monitor the latest forecast 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 is Sleet?
Home - Education - Precipitation - Sleet
Next Topic: Snow
Sleet is a form of precipitation in which small ice pellets are the primary
components. These ice pellets are smaller and more translucent than hailstones,
and harder than graupel. Sleet is caused by specific atmospheric conditions and
therefore typically doesn't last for extended periods of time.
The condition which leads to sleet formation requires a warmer body of air to be
wedged in between two sub-freezing bodies of air. When snow falls through a warmer
layer of air it melts, and as it falls through the next sub-freezing body of air
it freezes again, forming ice pellets known as sleet. In some cases, water
droplets don't have time to freeze before reaching the surface and the result is
freezing rain.
Next Topic: Snow
Weather Topic: What are Stratocumulus Clouds?
Home - Education - Cloud Types - Stratocumulus Clouds
Next Topic: Stratus Clouds
Stratocumulus clouds are similar to altocumulus clouds in their
fluffy appearance, but have a slightly darker shade due to their additional mass.
A good way to distinguish the two cloud types is to hold your hand out and measure
the size of an individual cloud; if it is the size of your thumb it is generally
an altocumulus cloud, if it is the size of your hand it is generally a
stratocumulus cloud.
It is uncommon for stratocumulus clouds to produce precipitation, but if they do
it is usually a light rain or snow.
Next Topic: Stratus Clouds
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