Weather Alert in Maine
Special Weather Statement
Special Weather Statement issued August 22 at 8:39AM EDT by NWS Gray ME
AREAS AFFECTED: Interior York; Central Interior Cumberland; Androscoggin; Kennebec; Interior Waldo; Coastal York; Coastal Cumberland; Sagadahoc; Lincoln; Knox; Coastal Waldo; Interior Cumberland Highlands; Strafford; Eastern Hillsborough; Interior Rockingham; Coastal Rockingham
DESCRIPTION: A very dry air mass and breezy conditions will combine with dead and dry fuels such as grass, leaves, and twigs to create the potential for uncontrolled fire spread across the coastal plain of Maine and southeast New Hampshire today. This afternoon, relative humidity values will decrease to low levels between 25 to 30 R.H. %. At the same time, north to northeast| winds between 10 to 15 mph with frequent gusts to 20 mph will continue to dry fuels and increase fire spread potential. Near the coast, a sea breeze will develop this afternoon with southeast winds gusting to 20 mph. Wind gusts are expected to diminish later this evening with increasing relative humidity values. Extra caution should be taken to prevent wildfires. Always consult with fire officials before engaging in any open burning activities and comply with all applicable laws and regulations. Never leave an open fire unattended and always extinguish campfires completely before leaving.
INSTRUCTION: N/A
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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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