'Cloud base' diaporamas de présentation

The ASTEX Lagrangian model intercomparison case

The ASTEX Lagrangian model intercomparison case. Stephan de Roode and Johan van der Dussen TU Delft, Netherlands. The ASTEX First Lagrangian (June 1992). Flight 1. Flight 2. Flight 3. Flight 4. Flight 5. ? Lagrangian evolution of cloudy boundary layer observed

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Heliport Perimeter Lighting Research, Findings, Future Prospects

Heliport Perimeter Lighting Research, Findings, Future Prospects. Airport Technology Transfer Conference, Atlantic City 2010 Robert Bassey, FAA. Vertical Flight. Advisory Circular (AC) 150/5390-2B provides guidance for illuminating the heliport landing and taxi areas. Vertical Flight.

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Fig. 10-1, p.259

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LONG WAVE RADIATION AT SEA SURFACE

LONG WAVE RADIATION AT SEA SURFACE.

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Role of OCW in Open Education Era

Role of OCW in Open Education Era. Haruo Takemura Cybermedia Center, Osaka University President, Japan OpenCourseWare Consotium Board Member, OpenCourseWare Consotium. Outline. What is OCW Current status of JOCW Current status of OCWC OCW in relation to OER

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ON THE RESPONSE OF HAILSTORMS TO ENHANCED CCN CONCENTRATIONS William R. Cotton

ON THE RESPONSE OF HAILSTORMS TO ENHANCED CCN CONCENTRATIONS William R. Cotton Department of Atmospheric Science, Colorado State University. Approaches to hailstorm simulation. 2 moment bulk microphysics Hybrid approach: Bulk 1-M or 2-M microphysics with bin representation of hail

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PHILADELPHIA GLIDER COUNCIL

PHILADELPHIA GLIDER COUNCIL. PGC. XC Soaring Lift Sources. Ken Kochanski 2/21/2004. PHILADELPHIA GLIDER COUNCIL. PGC. Prerequisites. Skepticism of Weather Forecast(ers) Verified TE Compensation Audio Variometer - A Must !!! Proper CG Location for Thermalling Logical neat panel

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Simulation of the Aerosol Indirect Effect in GCM

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Steven Siems 1 and Greg McFarquhar 2 1 Monash University, Melbourne, VIC, Australia

Observations of supercooled liquid water from in-situ and remote sensing observations. Steven Siems 1 and Greg McFarquhar 2 1 Monash University, Melbourne, VIC, Australia 2 University of Illinois, Urbana, IL, USA.

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AMS Performance at DC3-Test

AMS Performance at DC3-Test. Some preliminary results Pedro Campuzano Jost , Douglas Day, Michael Lechner , Jose Luis Jimenez. Overview. Instrument was in working order for all six flights. Data was acquired for >95% of flight time (the rest being filters and software mode switches).

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Central African Republic - Seed Fair

Central African Republic - Seed Fair . OR DASHEVSKY/Solution Architect Charity Coffey / Country Manager March 30, 2011 ICT4 Development Conference Lusaka, Zambia. Introduction. CRS is an experienced industry leader in voucher fair methodology

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Observed Structure of the Atmospheric Boundary Layer

Observed Structure of the Atmospheric Boundary Layer. Many thanks to: Nolan Atkins, Chris Bretherton, Robin Hogan. Review of last lecture: Surface water balance. The changing rate of soil moisture S dS/dt = P - E - Rs - Rg + I. Precipitation (P). Evaportranspiration (E=Eb+Ei+Es+TR).

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VOCALS Chris Bretherton, Univ. of Washington

VOCALS Chris Bretherton, Univ. of Washington. VOCALS THEME. To better understand and simulate how marine boundary layer cloud systems surrounding the Americas interact with the coupled ocean-atmosphere-land system on diurnal to interannual timescales. VOCALS in CLIVAR.

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Evaluation of a new trigger function for shallow cumulus convection

Evaluation of a new trigger function for shallow cumulus convection. Marijn de Haij A. Pier Siebesma Henk Klein Baltink Fred Bosveld KNMI, De Bilt The Netherlands. cloud base. Mean profiles T, q. Surface fluxes. Courtesy Manfred Wendisch, IfT. The problem.

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HUMIDITY, PRECIPITATION AND CLOUDS

Warmer air can hold MORE water vapour. Air is formed of 99% nitrogen and air, the rest being trace gases such as argon, CO2 and water vapour. The amount of water vapour is called humidity . The amount of water vapour that can be held by air depends on the temperature .

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Dew Point and Cloud Formation

Dew Point and Cloud Formation. Dew point temperature. If the air temperature is lower than the dew point temperature, clouds form. If the air temperature is greater than the dew point temperature, no clouds form. (Clear skies!).

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Motivation:

Deforestation of lowland forests Changing sea surface temperature. Distribution of potential montane cloud forest zones (Mulligan & Burke, 2005 ) .

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A Seven-Cruise Sample of Clouds, Radiation, and Surface Forcing in the Equatorial Eastern Pacific

Background.

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