{"version_information": {"version": "det_AHW_v1.1", "compiled_date": "2026-04-05 17:05:28.575252", "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": "2025-May-17_to_2025-May-20_36.5_21.0"}, "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": 2025050002046}, "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": "May 17 2025"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "May 20 2025"}, "duration": {"name": "Duration", "description": "Time elapsed (days) from the start date to the end date", "value": 4}, "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": 61239.16582297719}, "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": ["Sudan"]}, "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": ["Red Sea"]}, "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": 21.0}, "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": 36.5}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "36.5\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 35.5}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 37.0}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": 17.0}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": 22.0}, "polygons_merged": {"name": "Merged polygon", "description": "Merger or polygons at each time step", "value": {"type": "MultiPolygon", "coordinates": [[[[34.75, 18.5], [34.85, 18.75], [34.75, 19.0], [34.97, 19.53], [35.32, 19.68], [35.47, 20.03], [35.82, 20.18], [35.85, 20.25], 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"value": {"2025-05-17T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[34.85, 17.75], [34.75, 18.0], [34.97, 18.53], [35.5, 18.75], [36.03, 18.53], [36.18, 18.18], [36.25, 18.15], [36.5, 18.25], [37.03, 18.03], [37.25, 17.5], [37.03, 16.97], [36.68, 16.82], [36.53, 16.47], [36.0, 16.25], [35.75, 16.35], [35.5, 16.25], [34.97, 16.47], [34.75, 17.0], [34.85, 17.25], [34.75, 17.5], [34.85, 17.75]]], [[[35.25, 21.0], [35.47, 21.53], [35.82, 21.68], [35.97, 22.03], [36.32, 22.18], [36.47, 22.53], [37.0, 22.75], [37.53, 22.53], [37.75, 22.0], [37.54, 21.5], [37.75, 21.0], [37.65, 20.75], [37.75, 20.5], [37.65, 20.25], [37.75, 20.0], [37.53, 19.47], [37.18, 19.32], [37.03, 18.97], [36.5, 18.75], [35.97, 18.97], [35.75, 19.5], [35.85, 19.75], [35.75, 20.0], [35.85, 20.25], [35.82, 20.32], [35.47, 20.47], [35.25, 21.0]]]]}, "2025-05-18T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[34.75, 17.5], [34.85, 17.75], [34.75, 18.0], [34.85, 18.25], [34.75, 18.5], 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"description": "The daily evolution of maximum t2m.", "value": [36.79252904256185, 37.29506072998049, 37.266736602783226, 36.390601094563806]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [2.4309398369780695, 2.8835041922520785, 2.6296030120496154, 2.185853419532402]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [3.0757707332369364, 3.930083420452604, 3.5471231664763536, 2.7315694632467284]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.488212089360136, 1.7175963416695441, 1.6304237291154804, 1.3450473775078695]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [1.7693737889055519, 2.096349674236365, 2.2001173322563368, 1.63580757293514]}}