PPT Slide

• Intraseasonal variability apparent

• East (west) anomaly=more (less) lightning.

TRMM-LBA

• But, similar daily mean rain rates?

• True reflection of varying cloud physics and vertical structure as a function of intraseasonal regime.

NASA-MSFC Brazilian Lightning Detection Network deployed in the Amazon since 1/99

Petersen et al., 2002

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