Weather Alert in New York
Winter Weather Advisory issued February 7 at 6:34PM EST until February 8 at 1:00AM EST by NWS Buffalo NY
AREAS AFFECTED: Niagara; Orleans; Northern Erie; Genesee; Wyoming
DESCRIPTION: * WHAT...Localized lake effect snow. Additional snow accumulations of 1 to 2 inches in the most persistent lake snows. Winds gusting up to 30 mph at times will create some blowing and drifting of snow and poor visibilities in spots. * WHERE...Niagara, Orleans, Northern Erie, Genesee, and Wyoming Counties. * WHEN...Until 1 AM EST Sunday. * IMPACTS...Plan on slippery road conditions and reduced visibilities.
INSTRUCTION: Lake effect snow will fall in relatively narrow bands. If traveling, be prepared for rapidly changing road conditions and visibilities. Submit snow reports through our website or social media.
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North America Water Vapor (Moisture)
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Weather Topic: What is Evaporation?
Home - Education - Precipitation - Evaporation
Next Topic: Fog
Evaporation is the process which returns water from the earth
back to the atmosphere, and is another crucial process in the water cycle.
Evaporation is the transformation of liquid into gas, and it happens because
molecules are excited by the application of energy and turn into vapor.
In order for water to evaporate it has to be on the surface of a body of water.
Next Topic: Fog
Weather Topic: What are Fractus Clouds?
Home - Education - Cloud Types - Fractus Clouds
Next Topic: Freezing Rain
A fractus cloud (scud) is a fragmented, tattered cloud which has
likely been sheared off of another cloud. They are accessory clouds, meaning they
develop from parent clouds, and are named in a way which describes the original
cloud which contained them.
Fractus clouds which have originated from cumulus clouds are referred to as
cumulus fractus, while fractus clouds which have originated from stratus clouds
are referred to as stratus fractus. Under certain conditions a fractus cloud might
merge with another cloud, or develop into a cumulus cloud, but usually a
fractus cloud seen by itself will dissipate rapidly.
They are often observed on the leading and trailing edges of storm clouds,
and are a display of wind activity.
Next Topic: Freezing Rain
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