{"version_information": {"version": "det_AHW_tail10.0_v1.1", "compiled_date": "2026-07-16 09:03:33.410932", "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": "2015-Jul-27_to_2015-Aug-01_49.5_-20.0"}, "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": 2015070002942}, "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": "July 27 2015"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "August 01 2015"}, "duration": {"name": "Duration", "description": "Time elapsed (days) from the start date to the end date", "value": 6}, "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": 112835.72733805576}, "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": ["Madagascar"]}, "IPCC_regions": {"name": "IPCC regions", "description": "List of all IPCC regions affected", "value": ["Madagascar"]}, "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"]}, "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": -20.0}, "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": 49.5}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "49.5\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 45.75}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 49.75}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": -23.25}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": -18.25}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2015-07-27T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[49.5, -19.25], [50.03, -19.47], [50.25, -20.0], [50.03, -20.53], [49.5, -20.75], [48.97, -20.53], [48.75, -20.0], [48.97, -19.47], [49.5, -19.25]]]]}, "2015-07-28T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[49.5, -18.75], [50.03, -18.97], [50.25, -19.5], [50.15, -19.75], [50.25, -20.0], [50.03, -20.53], [49.5, -20.75], [48.97, -20.53], [48.75, -20.0], [48.85, -19.75], [48.75, -19.5], [48.97, -18.97], [49.5, -18.75]]], [[[46.25, -19.0], [46.47, -18.47], [47.0, -18.25], [47.25, -18.35], [47.5, -18.25], [48.03, -18.47], [48.25, -19.0], [48.03, -19.53], [47.5, -19.75], [47.25, -19.65], [47.0, -19.75], [46.47, -19.53], [46.25, -19.0]]]]}, "2015-07-29T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[46.32, -21.82], [46.35, -21.75], [46.25, -21.5], [46.35, -21.25], [46.25, -21.0], [46.35, -20.75], [46.25, -20.5], [46.35, -20.25], [46.25, -20.0], [46.35, -19.75], [46.25, -19.5], [46.35, -19.25], [46.25, -19.0], [46.47, -18.47], [47.0, -18.25], [47.25, -18.35], [47.5, -18.25], [48.03, -18.47], [48.18, -18.82], 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23.194392279441047, 23.249568949475417, 23.295175005551926, 23.761721630306965, 23.82847729000804]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [0.898141224641904, 1.4017993586853095, 1.9494680422260418, 1.9499657601115727, 2.2160514302385246, 2.2093034490939485]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [0.898141224641904, 2.1075184881697737, 2.9697853983936966, 3.295743462130872, 3.0241480356566512, 3.446353326466806]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.272442690529381, 1.3630599870976043, 1.4498295861636146, 1.5516008907961862, 1.7912514054115913, 1.9098230750357312]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [1.272442690529381, 1.5437808464930336, 1.9010923556414159, 2.065656259388804, 2.199846122771246, 2.435215554353819]}}