{"version_information": {"version": "det_AHW_tail10.0_v1.2", "compiled_date": "2026-06-27 18:51:08.685383", "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": "2024-Feb-09_to_2024-Feb-14_46.5_-19.0"}, "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": 2024020001150}, "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": "February 09 2024"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "February 14 2024"}, "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": 52326.452205006855}, "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": []}, "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": -19.0}, "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": 46.5}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "46.5\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 45.25}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 46.75}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": -22.25}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": -17.75}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2024-02-09T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[45.97, -21.53], [45.75, -21.0], [45.97, -20.47], [46.5, -20.25], [47.03, -20.47], [47.25, -21.0], [47.03, -21.53], [46.5, -21.75], [45.97, -21.53]]], [[[44.75, -18.5], [44.97, -17.97], [45.5, -17.75], [46.03, -17.97], [46.2, -18.37], [46.5, -18.25], [47.03, -18.47], [47.25, -19.0], [47.03, -19.53], [46.5, -19.75], [45.97, -19.53], [45.8, -19.12], [45.5, -19.25], [44.97, -19.03], [44.75, -18.5]]]]}, "2024-02-10T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[44.97, -17.47], [45.5, -17.25], [45.75, -17.35], [46.0, -17.25], [46.53, -17.47], [46.68, -17.82], [47.03, -17.97], [47.25, -18.5], [47.15, -18.75], [47.25, -19.0], [47.15, -19.25], [47.25, -19.5], [47.15, -19.75], [47.25, -20.0], [47.04, -20.5], [47.25, -21.0], [47.15, -21.25], [47.25, -21.5], [47.15, -21.75], [47.25, -22.0], [47.03, -22.53], [46.5, -22.75], [45.97, -22.53], [45.82, -22.18], [45.47, -22.03], [45.25, -21.5], [45.35, -21.25], [45.25, -21.0], [45.35, -20.75], [45.25, -20.5], [45.35, -20.25], [45.25, -20.0], [45.35, -19.75], [45.25, -19.5], [45.35, -19.25], [45.32, -19.18], [44.97, -19.03], [44.75, -18.5], [44.85, -18.25], [44.75, -18.0], [44.97, -17.47]]]]}, "2024-02-11T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[44.97, -17.47], [45.5, -17.25], [45.75, -17.35], [46.0, -17.25], [46.53, -17.47], [46.68, -17.82], [47.03, -17.97], [47.25, -18.5], [47.15, -18.75], [47.25, -19.0], [47.15, -19.25], [47.25, -19.5], [47.15, -19.75], [47.25, -20.0], [47.04, -20.5], [47.25, -21.0], [47.15, -21.25], [47.25, -21.5], [47.15, -21.75], [47.25, -22.0], [47.03, -22.53], [46.5, -22.75], [45.97, -22.53], [45.82, -22.18], [45.47, -22.03], [45.32, -21.68], [44.97, -21.53], [44.75, -21.0], [44.97, -20.47], [45.32, -20.32], [45.35, -20.25], [45.25, -20.0], [45.35, -19.75], [45.25, -19.5], [45.35, -19.25], [45.32, -19.18], [44.97, -19.03], [44.75, -18.5], [44.85, -18.25], [44.75, -18.0], [44.97, -17.47]]]]}, "2024-02-12T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[44.97, -17.47], [45.5, -17.25], [45.75, -17.35], [46.0, 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"Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [1.2087784675540547, 1.292344950366154, 1.6589057971391032, 1.7239926660309253, 1.3808415685700481, 1.5197567235271094]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [1.5903883392403486, 1.6812987491713898, 1.8670706394602803, 2.1439921278707175, 1.4553330371184643, 1.6275751121272037]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.3692171920641967, 1.3897062960123225, 1.7573744252203178, 1.7933428243740646, 1.2332722243951442, 1.3714616088899985]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [1.5786723300402177, 1.7613750116862268, 2.1498423995623024, 2.318323542173242, 1.2677033859514497, 1.434012791440649]}}