Evolution of small cumulus clouds in Florida: Observations of Pulsating Growth Jeffrey R. French, Gabor Vali, Robert D. Kelly.

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Presentation transcript:

Evolution of small cumulus clouds in Florida: Observations of Pulsating Growth Jeffrey R. French, Gabor Vali, Robert D. Kelly

Small Cumulus Microphysics Study (SCMS) When: , clouds Where:

Instrumentations One ground-based radar X /S- band, dual wavelength, Air-borne W-band radar Instrumented aircraft (CCN Spectrometer)

Brag Scattering Permittivity Refractive index Temperature Electromagnetic waves can be reflected due to refractive index irregularities

Are Two Observations Consistent?

Observations from Cp-2 When:

Observations from Cp-2 When:

Observations from W-band Radar

Time Height Cross Sections of Z When: &

Z Flux in C8 When:

Z Flux in C10 When:

Maximum Correlation Coefficients and Echo Top