Weather Alert in Oregon
High Surf Advisory issued February 21 at 10:48PM PST until February 22 at 10:00AM PST by NWS Medford OR
AREAS AFFECTED: South Central Oregon Coast; Curry County Coast
DESCRIPTION: * WHAT...Large breaking waves of 23 to 27 feet. Surf heights are expected to reach a peak early Sunday morning. Waves will be highest on south and southwest facing beaches. * WHERE...South Central Oregon Coast and Curry County Coast. * WHEN...From 10 PM this evening to 10 AM PST Sunday. * IMPACTS...Large breaking waves will create hazardous conditions along and within the surf zone, and could inundate beaches and low lying shorelines. Beach erosion is possible, and exposed infrastructure may be damaged. * View the hazard area in detail at https://www.wrh.noaa.gov/map/?wfo=mfr
INSTRUCTION: Stay away from the surf zone and off of jetties. Area beaches may become hazardous due to dangerous surf conditions.
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Weather Topic: What are Cirrus Clouds?
Home - Education - Cloud Types - Cirrus Clouds
Next Topic: Condensation
Cirrus clouds are high-level clouds that occur above 20,000 feet
and are composed mainly of ice crystals.
They are thin and wispy in appearance.
What do they indicate?
They are often the first sign of an approaching storm.
Next Topic: Condensation
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
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