Weather Alert in Nevada
Air Quality Alert issued July 31 at 9:48AM PDT by NWS Elko NV
AREAS AFFECTED: Southwest Elko County
DESCRIPTION: An Air Quality Action Day has been forecast for southwest Elko County for elevated particulate matter levels. These levels are anticipated to be Orange/unhealthy for sensitive groups, and a Air Quality Alert is in effect until midnight tonight. Particulate matter levels are expected to be unhealthy for sensitive groups. For additional information, please visit the EPA AIRNOW web site at www.airnow.gov and click on Nevada. Please note: These data are preliminary and have not been validated. Data is provided as a service from the Nevada Division of Environmental Protection and are not intended to replace medical advice. If you have questions about your health, please contact your local health department and/or your health care provider.
INSTRUCTION: N/A
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Weather Topic: What is Snow?
Home - Education - Precipitation - Snow
Next Topic: Stratocumulus Clouds
Snow is precipitation taking the form of ice crystals. Each ice crystal, or snowflake,
has unique characteristics, but all of them grow in a hexagonal structure.
Snowfall can last for sustained periods of time and result in significant buildup
of snow on the ground.
On the earth's surface, snow starts out light and powdery, but as it begins to melt
it tends to become more granular, producing small bits of ice which have the consistency of
sand. After several cycles of melting and freezing, snow can become very dense
and ice-like, commonly known as snow pack.
Next Topic: Stratocumulus Clouds
Weather Topic: What are Stratus Clouds?
Home - Education - Cloud Types - Stratus Clouds
Next Topic: Wall Clouds
Stratus clouds are similar to altostratus clouds, but form at a
lower altitude and are identified by their fog-like appearance, lacking the
distinguishing features of most clouds.
Stratus clouds are wider than most clouds, and their base has a smooth, uniform
look which is lighter in color than a nimbostratus cloud.
The presence of a stratus cloud indicates the possibility of minor precipitation,
such as drizzle, but heavier precipitation does not typically arrive in the form
of a stratus cloud.
Next Topic: Wall Clouds
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