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Inves+gate if we can parameterize electric currents via microphysical and dynamical model parameters (based on empirical rela+onships) that are already available from WACCM Some parameters we plan <strong>to</strong> test are: -‐ Cloud height -‐ Ver+cal velocity (pressure) -‐ Convec+on mass flux from ZM deep -‐ Convec+ve precipita+on rate from ZM deep -‐ Grid box averaged cloud ice amount -‐ Frac+onal ice content within cloud -‐ Convec+ve cloud cover -‐ Frac+onal occurrence of shallow convec+on -‐ Prognos+c in-‐cloud ice mixing ra+o? -‐ In-‐cloud ice water path -‐ Convec+ve precipita+on rate (liquid + ice) Wiebke Deierling and Tina Kalb Parameteriza+on of current sources in WACCM -‐ lightning NO source (<strong>to</strong> back out es+mated lightning ac+vity) 7
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