Weather Alert in Maine
Air Quality Alert issued August 3 at 1:33AM EDT by NWS Gray ME
AREAS AFFECTED: Northern Oxford; Northern Franklin; Central Somerset; Southern Oxford; Southern Franklin; Southern Somerset; Interior York; Central Interior Cumberland; Androscoggin; Kennebec; Interior Cumberland Highlands; Northern Coos; Southern Coos; Northern Grafton; Northern Carroll; Southern Grafton; Southern Carroll
DESCRIPTION: The New Hampshire Department of Environmental Services has issued an Air Quality Alert for particle pollution until 11 PM EDT this evening. The New Hampshire Department of Environmental Services is predicting unhealthy air quality in Coos, Grafton and Carroll counties. Sensitive individuals include children and older adults; anyone with lung disease such as asthma, emphysema, and bronchitis; and people who are active outdoors. Even healthy individuals may experience mild health effects and should consider limiting strenuous or prolonged outdoor activities. The Maine Department of Environmental Protection's Bureau of Air Quality has issued an Air Quality Alert for particle pollution until 11 PM EDT this evening. Particle pollution levels are expected to reach Unhealthy for Sensitive Groups range Sunday for the Western Interior and Eastern Interior regions due to a plume of smoke expected to move in from Canada. For additional information, please visit the New Hampshire Department of Environmental Prediction website at, https://www4.des.state.nh.us/airdata/ In addition, A toll free air quality hotline has been established so Maine residents can stay informed on the air quality situations. The toll free number is: 1-800-223-1196.
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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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