{"version_information": {"version": "det_AHW_tail10.0_v1.1", "compiled_date": "2026-07-16 08:44:18.730618", "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": "2010-Mar-04_to_2010-Mar-08_22.5_0.0"}, "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": 2010030001233}, "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": "March 04 2010"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "March 08 2010"}, "duration": {"name": "Duration", "description": "Time elapsed (days) from the start date to the end date", "value": 5}, "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": 80337.19188061255}, "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": ["Congo DRC"]}, "IPCC_regions": {"name": "IPCC regions", "description": "List of all IPCC regions affected", "value": ["Central-Africa"]}, "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": 0.0}, "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": 22.5}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "22.5\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 19.25}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 23.25}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": -3.25}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": 1.25}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2010-03-04T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[18.97, -3.53], [18.75, -3.0], [18.97, -2.47], [19.5, -2.25], [20.03, -2.47], [20.25, -3.0], [20.03, -3.53], [19.5, -3.75], [18.97, -3.53]]], [[[22.25, 1.0], [22.47, 1.53], [23.0, 1.75], [23.53, 1.53], [23.75, 1.0], [23.53, 0.47], [23.13, 0.3], [23.25, 0.0], [23.03, -0.53], [22.68, -0.68], [22.53, -1.03], [22.0, -1.25], [21.47, -1.03], [21.25, -0.5], [21.47, 0.03], [21.82, 0.18], [21.97, 0.53], [22.38, 0.7], [22.25, 1.0]]]]}, "2010-03-05T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[18.97, -1.97], [19.32, -1.82], [19.47, -1.47], [19.82, -1.32], [19.97, -0.97], [20.32, -0.82], [20.47, -0.47], [20.82, -0.32], [20.88, -0.2], [20.47, -0.03], [20.25, 0.5], [20.47, 1.03], [20.82, 1.18], [20.97, 1.53], [21.5, 1.75], [21.75, 1.65], [22.0, 1.75], [22.25, 1.65], [22.5, 1.75], [22.75, 1.65], [23.0, 1.75], [23.53, 1.53], [23.75, 1.0], [23.65, 0.75], [23.75, 0.5], [23.53, -0.03], [23.18, -0.18], [23.03, -0.53], [22.68, -0.68], [22.54, -1.0], [22.75, -1.5], [22.53, -2.03], [22.18, -2.18], [22.03, -2.53], [21.68, -2.68], [21.53, -3.03], [21.0, -3.25], [20.75, -3.15], [20.5, -3.25], [20.25, -3.15], [20.18, -3.18], [20.03, -3.53], [19.5, -3.75], [18.97, -3.53], [18.75, -3.0], [18.85, -2.75], [18.75, -2.5], [18.97, -1.97]]]]}, "2010-03-06T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[18.97, -1.97], [19.32, -1.82], [19.47, -1.47], [19.82, -1.32], [19.97, -0.97], [20.32, -0.82], [20.47, -0.47], [20.82, -0.32], [20.88, -0.2], [20.47, -0.03], [20.25, 0.5], [20.47, 1.03], [20.82, 1.18], [20.97, 1.53], [21.5, 1.75], [21.75, 1.65], [22.0, 1.75], [22.25, 1.65], [22.5, 1.75], [22.75, 1.65], [23.0, 1.75], [23.53, 1.53], [23.75, 1.0], [23.65, 0.75], [23.75, 0.5], [23.53, -0.03], [23.18, -0.18], [23.03, -0.53], [22.68, -0.68], [22.54, -1.0], [22.75, -1.5], [22.53, -2.03], [22.18, -2.18], [22.03, -2.53], [21.68, -2.68], [21.53, -3.03], [21.0, -3.25], [20.75, -3.15], [20.5, -3.25], [20.25, -3.15], [20.18, -3.18], [20.03, -3.53], [19.5, -3.75], [18.97, -3.53], [18.75, -3.0], [18.85, -2.75], [18.75, -2.5], [18.97, 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"anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [1.6304043608337224, 1.942648941630523, 2.0876334751564514, 2.3042144986931703, 1.5901011523426405]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.5275557007278648, 1.6538555332456126, 1.592375449683391, 1.8036807913202837, 1.5603519339361012]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [1.6225260695659782, 1.9555889666911659, 2.007097937619611, 2.1269698061321067, 1.5603519339361012]}}