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 is Sleet?
Home - Education - Precipitation - Sleet
Next Topic: Snow
Sleet is a form of precipitation in which small ice pellets are the primary
components. These ice pellets are smaller and more translucent than hailstones,
and harder than graupel. Sleet is caused by specific atmospheric conditions and
therefore typically doesn't last for extended periods of time.
The condition which leads to sleet formation requires a warmer body of air to be
wedged in between two sub-freezing bodies of air. When snow falls through a warmer
layer of air it melts, and as it falls through the next sub-freezing body of air
it freezes again, forming ice pellets known as sleet. In some cases, water
droplets don't have time to freeze before reaching the surface and the result is
freezing rain.
Next Topic: Snow
Weather Topic: What are Stratocumulus Clouds?
Home - Education - Cloud Types - Stratocumulus Clouds
Next Topic: Stratus Clouds
Stratocumulus clouds are similar to altocumulus clouds in their
fluffy appearance, but have a slightly darker shade due to their additional mass.
A good way to distinguish the two cloud types is to hold your hand out and measure
the size of an individual cloud; if it is the size of your thumb it is generally
an altocumulus cloud, if it is the size of your hand it is generally a
stratocumulus cloud.
It is uncommon for stratocumulus clouds to produce precipitation, but if they do
it is usually a light rain or snow.
Next Topic: Stratus Clouds
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