Weather Alert in Wisconsin
Special Weather Statement issued August 21 at 2:40AM CDT by NWS Green Bay WI
AREAS AFFECTED: Vilas; Oneida; Forest; Florence; Northern Marinette County; Lincoln; Langlade; Menominee; Northern Oconto County; Marathon; Shawano; Wood; Portage; Waupaca; Waushara
DESCRIPTION: Areas of fog, locally dense with visibilities of 1/4 mile or less, are expected at times across much of north-central, central and far northeast Wisconsin this morning. The fog will likely impact the morning commute in some areas and is expected to lift after sunrise. Motorists traveling across north-central, central and far northeast Wisconsin this morning can expect locally hazardous travel conditions, with rapidly changing and poor visibilities at times. When driving in fog, remember to slow down, turn on your low-beam headlights, and keep a safe distance between you and the car in front of you.
INSTRUCTION: N/A
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North America Water Vapor (Moisture)
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Weather Topic: What is Condensation?
Home - Education - Precipitation - Condensation
Next Topic: Contrails
Condensation is the process which creates clouds, and therefore
it is a crucial process in the water cycle.
Condensation is the change of matter from a state of gas into a state of liquid,
and it happens because water molecules release heat into the atmosphere and
become organized into a more closely packed structure, what we might see as
water droplets.
Water is always present in the air around us as a vapor, but it's too small for
us to see. When water undergoes the process of condensation it becomes organized
into visible water droplets. You've probably seen condensation happen before on the
surface of a cold drink!
Next Topic: Contrails
Weather Topic: What are Cumulonimbus Clouds?
Home - Education - Cloud Types - Cumulonimbus Clouds
Next Topic: Cumulus Clouds
The final form taken by a growing cumulus cloud is the
cumulonimbus cloud, which is very tall and dense.
The tower of a cumulonimbus cloud can soar 23 km into the atmosphere, although
most commonly they stop growing at an altitude of 6 km.
Even small cumulonimbus clouds appear very large in comparison to other cloud types.
They can signal the approach of stormy weather, such as thunderstorms or blizzards.
Next Topic: Cumulus Clouds
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