Weather Alert in Montana
Special Weather Statement issued August 29 at 6:56AM MDT by NWS Great Falls MT
AREAS AFFECTED: Gallatin Valley; Gallatin and Madison County Mountains and Centennial Mountains
DESCRIPTION: Patchy dense fog is affecting a portion of Southwestern Montana this morning including Belgrade and Raynolds Pass. Visibility in these areas has been reduced to a quarter mile or less. Patchy dense fog in these areas is expected to persist for the next couple of hours with periodic visibility improvements before the fog clears up. If you are traveling in these areas use caution, slow down, and make sure your headlights are on.
INSTRUCTION: N/A
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Weather Topic: What are Cumulus Clouds?
Home - Education - Cloud Types - Cumulus Clouds
Next Topic: Drizzle
Cumulus clouds are fluffy and textured with rounded tops, and
may have flat bottoms. The border of a cumulus cloud
is clearly defined, and can have the appearance of cotton or cauliflower.
Cumulus clouds form at low altitudes (rarely above 2 km) but can grow very tall,
becoming cumulus congestus and possibly the even taller cumulonimbus clouds.
When cumulus clouds become taller, they have a greater chance of producing precipitation.
Next Topic: Drizzle
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
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