Weather Alert in Vermont
Air Quality Alert issued July 15 at 4:07AM EDT by NWS Burlington VT
AREAS AFFECTED: Grand Isle; Western Franklin; Orleans; Essex; Western Chittenden; Lamoille; Caledonia; Washington; Western Addison; Orange; Eastern Franklin; Eastern Chittenden; Eastern Addison
DESCRIPTION: The Vermont Agency of Natural Resources has issued an Air Quality Health Advisory for Code Orange or 151 due to Fine Particulates for Caledonia, Addison, Chittenden, Franklin, Essex, Grand Isle, Lamoille, Orange, Orleans, and Washington Counties until midnight EDT tonight. The air quality index, or AQI, is expected to approach or exceed the Code None or 151 due to Fine Particulates. When pollution levels are in the 151, the Vermont Department of Health recommends that these individuals consider limiting strenuous outdoor physical activity to reduce the risk of adverse health effects. People who may be especially sensitive to the effects of elevated levels of pollutants include the very young, older adults, and those with preexisting respiratory problems such as asthma or heart disease and those working outside. Those with symptoms should consider consulting their personal physician. People with asthma should follow their asthma action plans and keep quick relief medicine handy. If you have heart disease: symptoms such as palpitations, shortness of breath, or unusual fatigue may indicate a serious problem. If you have any of these, contact your healthcare provider. An Air Quality Action Day means that particulate concentrations within the region may approach or exceed unhealthy standards. For additional information, please visit the Vermont Agency of Natural Resources web site at https://dec.vermont.gov/air-quality/local-air-quality-forecasts.
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Weather Topic: What are Nimbostratus Clouds?
Home - Education - Cloud Types - Nimbostratus Clouds
Next Topic: Precipitation
A nimbostratus cloud is similar to a stratus cloud in its formless,
smooth appearance. However, a nimbostratus cloud is darker than a stratus cloud,
because it is thicker.
Unlike a stratus cloud, a nimbostratus cloud typically brings with it the threat
of moderate to heavy precipitation. In some cases, the precipitation may evaporate
before reaching the ground, a phenomenon known as virga.
Next Topic: Precipitation
Weather Topic: What is Rain?
Home - Education - Precipitation - Rain
Next Topic: Shelf Clouds
Precipitation in the form of water droplets is called rain.
Rain generally has a tendency to fall with less intensity over a greater period
of time, and when rainfall is more severe it is usually less sustained.
Rain is the most common form of precipitation and happens with greater frequency
depending on the season and regional influences. Cities have been shown to have
an observable effect on rainfall, due to an effect called the urban heat island.
Compared to upwind, monthly rainfall between twenty and forty miles downwind of
cities is 30% greater.
Next Topic: Shelf Clouds
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