JOANNE is the dataset for all dropsondes launched as part of the EUREC4A-ATOMIC campaign held in January-February, 2020. These include the dropsondes from DLR's HALO aircraft and NOAA's WP-3D (N43-RF) aircraft. Find the dataset here on AERIS. The DOI of the dataset (v2.0.0) is 10.25326/246.
The acronym JOANNE stands for Joint dropsonde-Observations of the Atmosphere in tropical North atlaNtic large-scale Environments. The name is an ode to Joanne Malkus Simpson, whose contributions to tropical meteorology are fundamental to the field.
The different products of JOANNE are listed in the table below. Click on a product to go to its directory, which contains sample data files, along with more information about the product.
| Level | Description |
|---|---|
| Level - 0 | The raw files of all dropsonde launches from EUREC4A |
| Level - 1 | Files generated from the ASPEN-processing of all the raw files in Level-0 |
| Level - 2 | Sounding files that passed additional QC tests, and exclude all soundings with no usable data |
| Level - 3 | All sounding files in Level-2 gridded on a uniform, vertical grid, with some derived variables |
| Level - 4 | Circle products from all circles flown during EUREC4A |
| Platform | Sondes | Circles |
|---|---|---|
| HALO | 895 | 71 (+1 clover) |
| P3 | 320 | 14 |
| Total | 1215 | 85 |
