Weather Alert in Washington
Blizzard Warning issued March 9 at 1:42PM PDT until March 11 at 11:00PM PDT by NWS Seattle WA
AREAS AFFECTED: Olympics
DESCRIPTION: * WHAT...For the Blizzard Warning, blizzard conditions expected. Total snow accumulations up to 3 feet. Winds gusting as high as 45 mph. For the Winter Storm Watch, continued heavy snow possible. * WHERE...Olympics. * WHEN...For the Blizzard Warning, from 5 PM Tuesday to 11 PM PDT Wednesday with winds peaking Wednesday evening into late Wednesday night. For the Winter Storm Watch, from Wednesday evening through Friday morning. * IMPACTS...Visibilities may drop below 1/4 mile due to falling and blowing snow. Travel could be very difficult to impossible. Gusty winds could bring down tree branches.
INSTRUCTION: Snow covered roads may make travel conditions difficult to impossible at times and cause delays. Temporary road closures possible. Gusty winds may limit visibility down to a quarter of a mile at times.
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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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