Weather Alert in New York
Winter Weather Advisory issued February 19 at 12:46PM EST until February 21 at 10:00AM EST by NWS Burlington VT
AREAS AFFECTED: Northern St. Lawrence; Northern Franklin; Southeastern St. Lawrence; Southern Franklin; Southwestern St. Lawrence; Grand Isle; Western Franklin; Orleans; Essex; Western Chittenden; Lamoille; Caledonia; Washington; Western Addison; Orange; Western Rutland; Eastern Franklin; Eastern Chittenden
DESCRIPTION: * WHAT...Snow expected. Total snow accumulations between 4 and 7 inches. * WHERE...Portions of northern New York and Vermont. * WHEN...From 10 AM Friday to 10 AM EST Saturday. * IMPACTS...Travel could be very difficult. The hazardous conditions will likely impact the Friday evening commute. * ADDITIONAL DETAILS...Snow will expand from southwest to northeast during the day. Precipitation may begin as mixed rain and snow in localized areas, especially in the southern St. Lawrence and Champlain Valleys. Snowfall rates will likely exceed 1 inch per hour at times soon after precipitation begins. Snow will trend lighter and become increasingly dry Friday night into Saturday.
INSTRUCTION: Slow down and use caution while traveling. For the latest on road conditions in Vermont, visit https://newengland511.org and for New York, visit https://511ny.org.
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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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