Weather Alert in Wisconsin
Frost Advisory issued August 28 at 2:28AM CDT until August 29 at 8:00AM CDT by NWS Duluth MN
AREAS AFFECTED: Ashland; Iron
DESCRIPTION: * WHAT...For the Dense Fog Advisory, visibility one quarter to one half mile in dense fog. For the Frost Advisory, temperatures as low as 35 will result in frost formation. * WHERE...Ashland and Iron Counties. This includes the Tribal Lands of the northwestern area of the Lac du Flambeau Band and the Bad River Reservation. Other locations including Madeline Island. * WHEN...For the Dense Fog Advisory, until 9 AM CDT this morning. For the Frost Advisory, from 1 AM to 8 AM CDT Friday. * IMPACTS...Frost could harm sensitive outdoor vegetation. Sensitive outdoor plants may be killed if left uncovered. Low visibility could make driving conditions hazardous.
INSTRUCTION: Take steps now to protect tender plants from the cold. If driving, slow down, use your low-beam headlights and fog lights, and leave plenty of distance ahead of you.
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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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