- title page
- Outline
- 1.Theoretical GFD
- Time Dependent Solution for the Vertical Velocity
- Linear Solutions: u, w, p, b (buoyancy)
- Propagation Is Largely Horizontal
- Linear Solutions: u, w, p, b (buoyancy)
- Why Is the Propagation Horizontal?
- 2.Meso-beta Scale Squall-Line Structure
- In Cloud Static Stability
- Dynamical Influence of the Time-Averaged Heating in the Leading Convective Line
- Heating
- Storm-Relative Horizontal Velocity
- Stratosphere vs. No Stratosphere
- Top of the Cirrus Anvil
- Linear Response to Fixed Heating
- Squall Lines in 3D
- 2-hr Averaged Heating (f=0) & Instantaneous Horizontal Winds (f¡â0)
- Mid-Troposphere Vertical Displacements at t=6 hr
- Asymmetric Response to Steady Symmetric Heating
- 3.Radiative impacts of thin cirrus near the tropical tropopause
- What Is Thin Cirrus?
- Thin Cirrus Are Efficient Absorbers in the Infra-Red
- Radiative Heating Profile
- Thin Cirrus Observations
- Thin Cirrus As Seen by LITE (Lidar In space Technology Experiment)
- Spatial Distribution of High Clouds
- Thin Cirrus Origins
- Convective outflow
- Importance of Thin Cirrus I: Stratospheric Dehydration
- Importance of Thin Cirrus II: Radiative Effects
- Previous Work: Jensen et al., 1996
- Previous Work: Rosenfield et al., 1998
- Previous Work: Boehm et al., 1999
- What Is the Mesoscale Response to IR Heating of Thin Cirrus?
- Computational Strategy
- Cloud resolving model
- Radiative transfer model
- Model Parameters
- Initial Thermodynamic Sounding
- Evolution of the Cloud over 6 Hours
- Initial Cloud Field (at 18 min)
- Final Cloud Field (at 5.9 hrs)
- Evolution of the Cloud over 6 Hours
- Vertical Velocity at 1 hr
- Vertical Velocity at 2 hrs
- Vertical Velocity at 4 hrs
- Vertical Velocity at 6 hrs
- Radiative Heating at 6 hrs
- Evolution of theta and the Cloud Edge
- Temperature Perturbations and the Cloud Edge
- Evolution of theta and the Cloud Edge
- Thermally forced gravity waves
- Conclusions
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