{"version_information": {"version": "det_AHW_tail10.0_v1.2", "compiled_date": "2026-06-27 18:57:30.070864", "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-08_to_2025-Oct-10_349.0_22.0"}, "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": 2025100001327}, "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 08 2025"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "October 10 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": 54257.71242239717}, "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": 22.0}, "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": 349.0}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "349.0\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 346.25}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 350.25}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": 21.25}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": 23.75}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2025-10-08T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-14.03, 21.97], [-14.25, 22.5], [-14.03, 23.03], [-13.5, 23.25], [-13.25, 23.15], [-13.0, 23.25], [-12.75, 23.15], [-12.68, 23.18], [-12.53, 23.53], [-12.0, 23.75], [-11.75, 23.65], [-11.5, 23.75], [-11.25, 23.65], [-11.18, 23.68], [-11.03, 24.03], [-10.5, 24.25], [-9.97, 24.03], [-9.82, 23.68], [-9.47, 23.53], [-9.25, 23.0], [-9.35, 22.75], [-9.25, 22.5], [-9.47, 21.97], [-9.82, 21.82], [-9.97, 21.47], [-10.5, 21.25], [-10.75, 21.35], [-10.82, 21.32], [-10.97, 20.97], [-11.5, 20.75], [-11.75, 20.85], [-12.0, 20.75], [-12.53, 20.97], [-12.75, 21.5], [-12.62, 21.8], [-12.75, 21.85], [-13.0, 21.75], [-13.25, 21.85], [-13.5, 21.75], [-14.03, 21.97]]]]}, "2025-10-09T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-14.03, 21.97], [-14.25, 22.5], [-14.03, 23.03], [-13.5, 23.25], [-13.25, 23.15], [-13.0, 23.25], [-12.75, 23.15], [-12.68, 23.18], [-12.53, 23.53], [-12.0, 23.75], [-11.75, 23.65], [-11.5, 23.75], [-11.25, 23.65], [-11.18, 23.68], [-11.03, 24.03], [-10.5, 24.25], [-9.97, 24.03], [-9.82, 23.68], [-9.47, 23.53], [-9.25, 23.0], [-9.35, 22.75], [-9.25, 22.5], [-9.47, 21.97], [-9.82, 21.82], [-9.97, 21.47], [-10.5, 21.25], [-10.75, 21.35], [-10.82, 21.32], [-10.97, 20.97], [-11.5, 20.75], [-11.75, 20.85], [-12.0, 20.75], [-12.53, 20.97], [-12.75, 21.5], [-12.62, 21.8], [-12.75, 21.85], [-13.0, 21.75], [-13.25, 21.85], [-13.5, 21.75], [-14.03, 21.97]]]]}, "2025-10-10T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-14.03, 21.97], [-14.25, 22.5], [-14.03, 23.03], [-13.5, 23.25], [-13.25, 23.15], [-13.0, 23.25], [-12.75, 23.15], [-12.68, 23.18], [-12.53, 23.53], [-12.0, 23.75], [-11.75, 23.65], [-11.5, 23.75], [-11.25, 23.65], [-11.18, 23.68], [-11.03, 24.03], [-10.5, 24.25], [-9.97, 24.03], [-9.82, 23.68], [-9.47, 23.53], [-9.25, 23.0], [-9.35, 22.75], [-9.25, 22.5], [-9.47, 21.97], [-9.82, 21.82], [-9.97, 21.47], [-10.5, 21.25], [-10.75, 21.35], [-10.82, 21.32], [-10.97, 20.97], [-11.5, 20.75], [-11.75, 20.85], [-12.0, 20.75], [-12.53, 20.97], [-12.75, 21.5], [-12.62, 21.8], [-12.75, 21.85], [-13.0, 21.75], [-13.25, 21.85], [-13.5, 21.75], [-14.03, 21.97]]]]}}}, "max_amp": {"name": "Maximum anomaly amplitude", "description": "Maximum t2m anomaly recorded over entire duration", "value": 4.239424362707268}, "mean_amp": {"name": "Mean anomaly amplitude", "description": "Mean t2m anomaly over entire duration", "value": 3.6141151482677993}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [32.904145143743165, 32.95785213269693, 32.642309945089835]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [34.0131774902344, 34.13484980265304, 33.529773966471396]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [3.5744747170854256, 3.7239734807373357, 3.5438972469806376]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [4.02278418009837, 4.239424362707268, 3.900094643549835]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.4082294547101804, 1.4779452883221713, 1.426552297479398]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [1.5326227867671405, 1.6467968609034471, 1.6103048060507819]}}