Weather Alert in Maryland
Air Quality Alert issued June 14 at 8:48AM EDT by NWS Baltimore MD/Washington DC
AREAS AFFECTED: Cecil; Southeast Harford
DESCRIPTION: Maryland Department of the Environment has issued a Code Red Air Quality Alert for Fine Particulates for Northeast Maryland until midnight EDT tonight. A Code Red Air Quality Alert means that air pollution concentrations within the region are unhealthy for the general population. The effects of air pollution can be minimized by avoiding strenuous activity or exercise outdoors. An Air Quality Alert means that Fine Particulates concentrations within the region may approach or exceed unhealthy standards. For additional information, please visit the Maryland Department of the Environment at: www.mde.maryland.gov/programs/air/AirQualityMonitoring/Pages/ index.aspx
INSTRUCTION: N/A
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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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