{"version_information": {"version": "det_AHW_tail10.0_v1.1", "compiled_date": "2026-07-16 09:13:08.356278", "data_source": "ERA5", "website": "http://wexa.jamstec.go.jp", "Author": "Patrick Martineau"}, "event_id": {"name": "Event ID", "description": "A unique identifier based on: beginning_date, end_date, longitude, and latitude", "value": "2018-Jun-30_to_2018-Jul-02_31.5_-25.0"}, "event_label": {"name": "Event label", "description": "Integer-valued grid identifier that uniquely labels each detected extreme event in space and time, consistent with the corresponding labels stored in the NetCDF dataset.", "value": 2018060003198}, "status": {"name": "Status", "description": "An ongoing event denotes an event that lasts up to the latest data available. These events are subject to change as newer data is added.", "value": false}, "start_date": {"name": "Start date", "description": "First date on which grid points are under the influence of an event", "value": "June 30 2018"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "July 02 2018"}, "duration": {"name": "Duration", "description": "Time elapsed (days) from the start date to the end date", "value": 3}, "figures_available": {"name": "Figures available", "description": "True if figures were pre-generated for this event", "value": true}, "detection_var": {"name": "Detection variable", "description": "Variable used for the detection scheme", "value": "t2m"}, "event_type": {"name": "Event type", "description": "Type of the event detected", "value": "Heat wave"}, "area": {"name": "Area", "description": "The area (in square meters) encompassing all grid points under the influence of an event during its lifetime.", "value": 126990.02664076505}, "countries_affected": {"name": "Countries affected", "description": "The ArcGIS geocoding API (https://developers.arcgis.com/rest/geocode/) is used to obtain a list of all the countries affected by an event during its lifetime.", "value": ["Mozambique", "South Africa"]}, "IPCC_regions": {"name": "IPCC regions", "description": "List of all IPCC regions affected", "value": ["E.Southern-Africa"]}, "continents_affected": {"name": "Continents affected", "description": "List of all continents affected", "value": ["Africa"]}, "oceans_affected": {"name": "Ocean basins affected", "description": "The ArcGIS geocoding API (https://developers.arcgis.com/rest/geocode/) is used to obtain a list of all the ocean basins affected by an event during its lifetime.", "value": ["Indian Ocean", "Mozambique Channel"]}, "center_lat": {"name": "Center latitude", "description": "Latitude of the maximum time-integrated standardized t2m anomalies. Only t2m of the same polarity as the events are considered (positive T2m for a HW, for instance). The centre is thus representative of both the severity and persistence of anomalies.", "value": -25.0}, "center_lon": {"name": "Center longitude", "description": "Longitude of the maximum time-integrated standardized t2m anomalies. Only t2m of the same polarity as the events are considered (positive T2m for a HW, for instance). The centre is thus representative of both the severity and persistence of anomalies.", "value": 31.5}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "31.5\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 30.75}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 35.75}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": -29.25}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": -24.25}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2018-06-30T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[30.47, -23.97], [31.0, -23.75], [31.53, -23.97], [31.68, -24.32], [32.03, -24.47], [32.18, -24.82], [32.25, -24.85], [32.5, -24.75], [32.75, -24.85], [33.0, -24.75], [33.25, -24.85], [33.32, -24.82], [33.47, -24.47], [34.0, -24.25], [34.25, -24.35], [34.5, -24.25], [35.0, -24.46], [35.5, -24.25], [36.03, -24.47], [36.25, -25.0], [36.15, -25.25], [36.25, -25.5], [36.03, -26.03], [35.68, -26.18], [35.65, -26.25], [35.75, -26.5], [35.65, -26.75], [35.75, -27.0], [35.65, -27.25], [35.75, -27.5], [35.54, -28.0], [35.75, -28.5], [35.53, -29.03], [35.18, -29.18], [35.03, -29.53], [34.5, -29.75], [34.25, -29.65], [34.0, -29.75], [33.47, -29.53], [33.32, -29.18], [33.25, -29.15], [33.0, -29.25], [32.47, -29.03], [32.32, -28.68], [31.97, -28.53], [31.75, -28.0], [31.97, -27.47], [32.32, -27.32], [32.35, -27.25], [32.25, -27.0], [32.35, -26.75], [32.25, -26.5], [32.38, -26.2], [32.25, -26.15], [32.0, -26.25], [31.75, -26.15], [31.5, -26.25], [30.97, -26.03], [30.82, -25.68], [30.47, -25.53], [30.25, -25.0], [30.35, -24.75], [30.25, -24.5], [30.47, -23.97]]]]}, "2018-07-01T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[30.47, -23.97], [31.0, -23.75], [31.53, -23.97], [31.68, -24.32], [32.03, -24.47], [32.18, -24.82], [32.25, -24.85], [32.5, -24.75], [32.75, -24.85], [33.0, -24.75], [33.25, -24.85], [33.32, -24.82], [33.47, -24.47], [34.0, -24.25], [34.25, -24.35], [34.5, -24.25], [35.0, -24.46], [35.5, -24.25], [36.03, -24.47], [36.25, -25.0], [36.15, -25.25], [36.25, -25.5], [36.03, -26.03], [35.68, -26.18], [35.65, -26.25], [35.75, -26.5], [35.65, -26.75], [35.75, -27.0], [35.65, -27.25], [35.75, -27.5], [35.54, -28.0], [35.75, -28.5], [35.53, -29.03], [35.18, -29.18], [35.03, -29.53], [34.5, -29.75], [34.25, -29.65], [34.0, -29.75], [33.47, -29.53], [33.32, -29.18], [33.25, -29.15], [33.0, -29.25], [32.47, -29.03], [32.32, -28.68], [31.97, -28.53], [31.75, -28.0], [31.97, -27.47], [32.32, -27.32], [32.35, -27.25], [32.25, -27.0], [32.35, -26.75], [32.25, -26.5], [32.38, -26.2], [32.25, -26.15], [32.0, 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anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [1.896262045249871, 1.7841325561876369, 2.0745684122528796]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [3.276539097714874, 2.9039931686647265, 4.2385352562475305]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.5262150655937763, 1.4440967739873676, 1.6359542582869746]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [1.9418924532456145, 1.8546879725399859, 2.3469034736095105]}}