Data

Data#

This data section of the handbook outlines procedures for how to go about doing the quality control, the processing and the generation of data products.

Data Directory Structure#

Usually dropsonde data has a platform from which it was meassured and a flight_id from the exact flight it was taken from. After the processing each flight will have data on different levels of processing. halodrops uses the following levels.

Level

Description

Level_0

raw files from the AVAPS software (A-files, D-files, …). Some files contain auxiliary data for a measurement sequence (usually a flight) and others are per sonde.

Level_1

ASPEN-processed netCDF files per sonde. First QC applied.

Level_2

Sondes that passed additional QC tests. Still one file per sonde. All soundings with no usable data are excluded

Level_3

One dataset (file) containing all Level_2 soundings gridded on a uniform, vertical grid, with some derived variables

Level_4

Circle products from all circles flown during flight or measurement campaign

You can define your exact folder structure as shown in example configs