{"version_information": {"version": "det_AHW_tail10.0_v1.2", "compiled_date": "2026-06-27 18:27:09.389486", "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": "2021-Aug-25_to_2021-Aug-29_30.5_-16.5"}, "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": 2021080002757}, "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": "August 25 2021"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "August 29 2021"}, "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": 50413.88597868245}, "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": ["Mozambique", "Zimbabwe"]}, "IPCC_regions": {"name": "IPCC regions", "description": "List of all IPCC regions affected", "value": ["E.Southern-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": -16.5}, "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": 30.5}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "30.5\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 30.25}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 33.75}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": -17.25}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": -15.75}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2021-08-25T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[33.53, -15.97], [33.75, -16.5], [33.65, -16.75], [33.75, 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-17.15], [30.5, -17.25], [29.97, -17.03], [29.75, -16.5], [29.85, -16.25], [29.75, -16.0], [29.97, -15.47]]]]}, "2021-08-27T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[29.97, -15.47], [30.5, -15.25], [30.75, -15.35], [31.0, -15.25], [31.25, -15.35], [31.5, -15.25], [31.75, -15.35], [32.0, -15.25], [32.25, -15.35], [32.5, -15.25], [32.75, -15.35], [33.0, -15.25], [33.25, -15.35], [33.5, -15.25], [34.03, -15.47], [34.25, -16.0], [34.15, -16.25], [34.25, -16.5], [34.03, -17.03], [33.68, -17.18], [33.53, -17.53], [33.0, -17.75], [32.75, -17.65], [32.5, -17.75], [32.25, -17.65], [32.0, -17.75], [31.47, -17.53], [31.32, -17.18], [31.25, -17.15], [31.0, -17.25], [30.75, -17.15], [30.5, -17.25], [29.97, -17.03], [29.75, -16.5], [29.85, -16.25], [29.75, -16.0], [29.97, -15.47]]]]}, "2021-08-28T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[29.97, -15.47], [30.5, -15.25], [30.75, -15.35], [31.0, -15.25], [31.25, -15.35], [31.5, -15.25], [31.75, -15.35], 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"Mean anomaly amplitude", "description": "Mean t2m anomaly over entire duration", "value": 3.13398510264941}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [25.558157102647726, 26.149993101969528, 26.16100965576163, 26.63679677861097, 26.700560397448044]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [27.326858460970357, 28.04078385297487, 28.083424175020866, 28.583267950149036, 27.90342281553967]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [2.7984611610201795, 3.0980525584578533, 3.0141776711898105, 3.3990335819041606, 3.073776818277755]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [3.0489367299826426, 3.5505738059158034, 3.2901807812098696, 3.9939054076633624, 3.3643941708789953]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.4250604736875097, 1.5646717502305387, 1.5064309281477002, 1.6837976475887875, 1.6985081487125306]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [1.4707680225664959, 1.7353281904512954, 1.6896699499244756, 1.8692302499415454, 1.8189061213814544]}}