{"version_information": {"version": "det_AHW_tail10.0_v1.2", "compiled_date": "2026-06-27 18:57:29.632358", "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-Oct-07_to_2025-Oct-09_350.0_26.5"}, "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": 2025100001274}, "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": "October 07 2025"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "October 09 2025"}, "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": 50075.49883588032}, "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": ["Mauritania", "Morocco"]}, "IPCC_regions": {"name": "IPCC regions", "description": "List of all IPCC regions affected", "value": ["Sahara"]}, "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": 26.5}, "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": 350.0}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "350.0\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 349.25}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 351.75}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": 24.25}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": 27.25}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2025-10-07T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-11.15, 25.75], [-11.25, 26.0], [-11.15, 26.25], [-11.25, 26.5], [-11.15, 26.75], [-11.25, 27.0], [-11.03, 27.53], [-10.5, 27.75], [-10.25, 27.65], [-10.0, 27.75], [-9.47, 27.53], [-9.3, 27.12], [-9.0, 27.25], [-8.47, 27.03], [-8.32, 26.68], [-7.97, 26.53], [-7.75, 26.0], [-7.97, 25.47], [-8.32, 25.32], [-8.47, 24.97], [-8.82, 24.82], [-8.97, 24.47], [-9.32, 24.32], [-9.47, 23.97], [-10.0, 23.75], [-10.53, 23.97], [-10.68, 24.32], [-11.03, 24.47], [-11.25, 25.0], [-11.15, 25.25], [-11.25, 25.5], [-11.15, 25.75]]]]}, "2025-10-08T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-11.15, 25.75], [-11.25, 26.0], [-11.15, 26.25], [-11.25, 26.5], [-11.15, 26.75], [-11.25, 27.0], [-11.03, 27.53], [-10.5, 27.75], [-10.25, 27.65], [-10.0, 27.75], [-9.47, 27.53], [-9.3, 27.12], [-9.0, 27.25], [-8.47, 27.03], [-8.32, 26.68], [-7.97, 26.53], [-7.75, 26.0], [-7.97, 25.47], [-8.32, 25.32], [-8.47, 24.97], [-8.82, 24.82], [-8.97, 24.47], [-9.32, 24.32], [-9.47, 23.97], [-10.0, 23.75], [-10.53, 23.97], [-10.68, 24.32], [-11.03, 24.47], [-11.25, 25.0], [-11.15, 25.25], [-11.25, 25.5], [-11.15, 25.75]]]]}, "2025-10-09T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-11.15, 25.75], [-11.25, 26.0], [-11.15, 26.25], [-11.25, 26.5], [-11.15, 26.75], [-11.25, 27.0], [-11.03, 27.53], [-10.5, 27.75], [-10.25, 27.65], [-10.0, 27.75], [-9.47, 27.53], [-9.3, 27.12], [-9.0, 27.25], [-8.47, 27.03], [-8.32, 26.68], [-7.97, 26.53], [-7.75, 26.0], [-7.97, 25.47], [-8.32, 25.32], [-8.47, 24.97], [-8.82, 24.82], [-8.97, 24.47], [-9.32, 24.32], [-9.47, 23.97], [-10.0, 23.75], [-10.53, 23.97], [-10.68, 24.32], [-11.03, 24.47], [-11.25, 25.0], [-11.15, 25.25], [-11.25, 25.5], [-11.15, 25.75]]]]}}}, "max_amp": {"name": "Maximum anomaly amplitude", "description": "Maximum t2m anomaly recorded over entire duration", "value": 7.058884550975108}, "mean_amp": {"name": "Mean anomaly amplitude", "description": "Mean t2m anomaly over entire duration", "value": 4.804238518224821}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [31.149960524947574, 32.23931048357929, 31.460302819146136]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [32.24911778767904, 32.8698669433594, 32.61141230265304]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [4.227860226895804, 5.411755107681661, 4.773100220096997]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [4.807411173552055, 7.058884550975108, 5.510075169322022]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.402026288998468, 1.7928911024958023, 1.6028929038535515]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [1.498873383814385, 2.166888326279161, 1.726804355423883]}}