Weather Alert in Texas
Air Quality Alert issued May 11 at 3:44PM CDT by NWS Austin/San Antonio TX
AREAS AFFECTED: Bandera; Kendall; Medina; Bexar; Comal; Guadalupe; Atascosa; Wilson
DESCRIPTION: AQAEWX The Texas Commission on Environmental Quality (TCEQ) has issued an Ozone Action Day for the San Antonio area for Monday, May 12, 2025. Atmospheric conditions are expected to be favorable for producing high levels of ozone air pollution in the San Antonio area on Monday. You can help prevent ozone pollution by sharing a ride, walking or riding a bicycle, taking your lunch to work, avoiding drive through lanes, conserving energy, and keeping your vehicle properly tuned. If required, the next Ozone Action Day will be issued by 3 PM on Monday, May 12, 2025.
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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