HOW DO CLOUDS FORM 0 1 Hygroscopic vs

  • Slides: 24
Download presentation
HOW DO CLOUDS FORM?

HOW DO CLOUDS FORM?

0. 1

0. 1

Hygroscopic vs. Hydrophobic Cloud Condensation Nuclei Water-attracting (e. g. , salts) Water-repelling (e. g.

Hygroscopic vs. Hydrophobic Cloud Condensation Nuclei Water-attracting (e. g. , salts) Water-repelling (e. g. , waxes) (Chap. 5, pp. 115– 117)

What caused these clouds to form?

What caused these clouds to form?

Mixing Cloud Formation • • • air is unsaturated RH is high temperature and

Mixing Cloud Formation • • • air is unsaturated RH is high temperature and humidity decline with height

Mixing Cloud Formation

Mixing Cloud Formation

Mixing Cloud Formation Humid air from below moistens air above cloud base. (pp. 124–

Mixing Cloud Formation Humid air from below moistens air above cloud base. (pp. 124– 125 (Special Topic 5. 2), p. 165)

Mixing Cloud Formation w cannot be greater than ws! condense excess vapor into liquid

Mixing Cloud Formation w cannot be greater than ws! condense excess vapor into liquid (cloud forms) RH = 100% Td = 5°C wfinal = 5. 5 g/kg

(pp. 124– 125 (Special Topic 5. 2), p. 165)

(pp. 124– 125 (Special Topic 5. 2), p. 165)

Stratocumulus

Stratocumulus

Rising and Sinking Parcels 1) as air rises, pressure declines 2) volume increases 3)

Rising and Sinking Parcels 1) as air rises, pressure declines 2) volume increases 3) air cools 1) as air sinks, pressure increases 2) volume decreases 3) air warms Rising and cooling air is the primary method of cloud formation.

Primary Methods of Cloud Formation Atmosphere is warmed from below in unstable air.

Primary Methods of Cloud Formation Atmosphere is warmed from below in unstable air.

Primary Methods of Cloud Formation Orographic lifting.

Primary Methods of Cloud Formation Orographic lifting.

Primary Methods of Cloud Formation

Primary Methods of Cloud Formation

Primary Methods of Cloud Formation

Primary Methods of Cloud Formation

Primary Methods of Cloud Formation

Primary Methods of Cloud Formation

Orographic Clouds and Rain Shadow

Orographic Clouds and Rain Shadow

Orographic Clouds and Rain Shadow (Central California Transect) Mt. Hamilton Santa Cruz

Orographic Clouds and Rain Shadow (Central California Transect) Mt. Hamilton Santa Cruz

Orographic Precipitation along Western U. S.

Orographic Precipitation along Western U. S.

Convective Cloud Formation

Convective Cloud Formation

Convective Cloud Formation

Convective Cloud Formation

Convective Cloud Formation

Convective Cloud Formation

Convective Cloud Formation (Chap. 6, pp. 154– 161)

Convective Cloud Formation (Chap. 6, pp. 154– 161)

CLOUDS clouds What are clouds made of CloudsCLOUDS clouds What are clouds made of Clouds
How do clouds form How do clouds formHow do clouds form How do clouds form
Clouds Stratus clouds are uniform grayish clouds thatClouds Stratus clouds are uniform grayish clouds that
MA RS Clouds A B Clouds A CloudsMA RS Clouds A B Clouds A Clouds
PREPACKAGED PRODUCTS HYGROSCOPIC DESICCATING GOODS Ben Aitken TradingPREPACKAGED PRODUCTS HYGROSCOPIC DESICCATING GOODS Ben Aitken Trading
Six Years of Aerosol Optical Hygroscopic Growth MeasurementsSix Years of Aerosol Optical Hygroscopic Growth Measurements
CLOUDS Why do clouds form What is requiredCLOUDS Why do clouds form What is required
Clouds and Their Formation How do Clouds FormClouds and Their Formation How do Clouds Form
TYPES OF CLOUDS MARA SANZ Clouds Form whenTYPES OF CLOUDS MARA SANZ Clouds Form when
Clouds Low Altitude Clouds Form below 2000 metersClouds Low Altitude Clouds Form below 2000 meters
Weather Part 3 The Clouds Clouds form whenWeather Part 3 The Clouds Clouds form when
Weather How are clouds formed Clouds form whenWeather How are clouds formed Clouds form when
CLOUDS HOW DO CLOUDS FORM Condensation or depositionCLOUDS HOW DO CLOUDS FORM Condensation or deposition
Clouds Clouds 1 Rain Go to Ocean 2Clouds Clouds 1 Rain Go to Ocean 2
CLOUDS Clouds and Fog Key Ideas Describe theCLOUDS Clouds and Fog Key Ideas Describe the
Clouds and Climate Forced Changes to Clouds SOEEClouds and Climate Forced Changes to Clouds SOEE
Section 3 Clouds and Precipitation Clouds vary inSection 3 Clouds and Precipitation Clouds vary in
Clouds and More Clouds Paul Adams Professor ofClouds and More Clouds Paul Adams Professor of
The types of clouds and more clouds CloudThe types of clouds and more clouds Cloud
MEASURING THE CLOUDS VALUE Measuring the Clouds ValueMEASURING THE CLOUDS VALUE Measuring the Clouds Value
Tag Clouds Whats up with Explained Tag CloudsTag Clouds Whats up with Explained Tag Clouds
TOOLS FOR PUBLIC CLOUDS PRIVATE CLOUDS ENTERPRISE NETWORKSTOOLS FOR PUBLIC CLOUDS PRIVATE CLOUDS ENTERPRISE NETWORKS
Unit 11 Clouds Clouds three main cloud typesUnit 11 Clouds Clouds three main cloud types