Weather Alert in Vermont
Air Quality Alert issued August 2 at 4:58PM EDT by NWS Albany NY
AREAS AFFECTED: Bennington; Western Windham; Eastern Windham
DESCRIPTION: The Vermont Agency of Natural Resources has issued an Air Quality Action Alert for fine particulates from wildfire smoke from midnight tonight to midnight EDT Sunday night. The Air Quality Index (AQI) is expected to approach or exceed the Code Orange or Unhealthy for sensitive groups category in southern Vermont. Concentrations are expected to be highest in the afternoon hours on Sunday. Who needs to be concerned? For Unhealthy air quality the entire population. For USG air quality - Sensitive groups include: people with heart or lung disease, older adults, children, and teenagers. What should you do? For Unhealthy air quality everyone should reduce prolonged or strenuous outdoor activities. For USG air quality - Sensitive groups should reduce prolonged or heavy exertion. It's OK to be active outside, but take more breaks and do less intense activities. Watch for symptoms such as coughing or shortness of breath. 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. For additional information, please visit the Vermont Agency of Natural Resources website at https://dec.vermont.gov/air-quality/local-air- quality-forecasts.
INSTRUCTION: N/A
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Weather Topic: What are Contrails?
Home - Education - Cloud Types - Contrails
Next Topic: Cumulonimbus Clouds
A contrail is an artificial cloud, created by the passing of an
aircraft.
Contrails form because water vapor in the exhaust of aircraft engines is suspended
in the air under certain temperatures and humidity conditions. These contrails
are called exhaust contrails.
Another type of contrail can form due to a temporary reduction in air pressure
moving over the plane's surface, causing condensation.
These are called aerodynamic contrails.
When you can see your breath on a cold day, it is also because of condensation.
The reason contrails last longer than the condensation from your breath is
because the water in contrails freezes into ice particles.
Next Topic: Cumulonimbus Clouds
Weather Topic: What are Cumulus Clouds?
Home - Education - Cloud Types - Cumulus Clouds
Next Topic: Drizzle
Cumulus clouds are fluffy and textured with rounded tops, and
may have flat bottoms. The border of a cumulus cloud
is clearly defined, and can have the appearance of cotton or cauliflower.
Cumulus clouds form at low altitudes (rarely above 2 km) but can grow very tall,
becoming cumulus congestus and possibly the even taller cumulonimbus clouds.
When cumulus clouds become taller, they have a greater chance of producing precipitation.
Next Topic: Drizzle
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