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The CAMEX-3 Lightning Instrument Package (LIP) dataset contains electrical field measurements of lightning within storms studied during the Convection And Moisture EXperiment 3 (CAMEX-3). The LIP was flown aboard the NASA ER-2 aircraft, enabling vector components of the electric field (i.e, Ex, Ey, Ez) to be readily obtained, thus greatly improving knowledge of the electrical structure within storms overflown. Measurements within this dataset include field mill data, conductivity probe temperatures from two probes, and navigation data. The field mills measure the components of the electric field over a wide dynamic range extending from fair weather electric fields, (i.e., a few to tens of V/m) to larger thunderstorm fields (i.e., tens of kV/m). Total lightning (i.e., cloud-to-ground, intracloud) is identified from the abrupt electric field changes in the data. The conductivity probe measures the air conductivity at the aircraft flight altitude. Storm electric currents can be derived using the electric field and air conductivity measurements.

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