{"version_information": {"version": "det_AHW_tail10.0_v1.1", "compiled_date": "2026-07-16 08:43:54.287732", "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-Jan-01_to_2010-Jan-05_35.5_-15.5"}, "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": 2010010001056}, "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": "January 01 2010"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "January 05 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": 124495.00765345847}, "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": ["Malawi", "Mozambique"]}, "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": -15.5}, "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": 35.5}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "35.5\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 34.25}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 39.25}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": -18.75}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": -14.75}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2010-01-01T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[36.03, -17.53], [35.5, -17.75], [34.97, -17.53], [34.75, -17.0], [34.97, -16.47], [35.5, -16.25], [36.03, -16.47], [36.25, -17.0], [36.03, -17.53]]], [[[35.53, -14.47], [35.68, -14.82], [36.03, -14.97], [36.25, -15.5], [36.03, -16.03], [35.5, -16.25], [35.0, -16.04], [34.5, -16.25], [33.97, -16.03], [33.75, -15.5], [33.97, -14.97], [34.32, -14.82], [34.47, -14.47], [35.0, -14.25], [35.53, -14.47]]]]}, "2010-01-02T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[33.85, -15.25], [33.75, -15.0], [33.97, -14.47], [34.5, -14.25], [34.75, -14.35], [35.0, -14.25], [35.53, -14.47], [35.68, -14.82], [36.03, -14.97], [36.25, -15.5], [36.13, -15.8], [36.53, -15.97], [36.75, -16.5], [36.53, -17.03], [36.18, -17.18], [36.03, -17.53], [35.68, -17.68], [35.53, -18.03], [35.0, -18.25], [34.47, -18.03], [34.25, -17.5], [34.47, -16.97], [34.82, -16.82], [34.85, -16.75], [34.8, -16.62], [34.5, -16.75], [33.97, -16.53], [33.75, -16.0], [33.85, -15.75], [33.75, -15.5], [33.85, -15.25]]]]}, "2010-01-03T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[33.85, -16.25], [33.75, -16.0], [33.85, -15.75], [33.75, -15.5], [33.85, -15.25], [33.75, -15.0], [33.97, -14.47], [34.5, -14.25], [34.75, -14.35], [35.0, -14.25], [35.25, -14.35], [35.5, -14.25], [36.03, -14.47], [36.18, -14.82], [36.25, -14.85], [36.5, -14.75], [36.75, -14.85], [37.0, -14.75], [37.25, -14.85], [37.5, -14.75], [37.75, -14.85], [38.0, -14.75], [38.53, -14.97], [38.68, -15.32], [39.03, -15.47], [39.18, -15.82], [39.53, -15.97], [39.75, -16.5], [39.53, -17.03], [39.0, -17.25], [38.75, -17.15], [38.5, -17.25], [38.07, -17.07], [38.25, -17.5], [38.03, -18.03], [37.5, -18.25], [37.25, -18.15], [37.0, -18.25], [36.75, -18.15], [36.63, -18.2], [36.75, -18.5], [36.53, -19.03], [36.0, -19.25], [35.47, -19.03], [35.32, -18.68], [35.25, -18.65], [35.0, -18.75], [34.47, -18.53], [34.25, -18.0], [34.35, -17.75], [34.32, -17.68], [33.97, -17.53], [33.75, -17.0], [33.85, -16.75], [33.75, -16.5], [33.85, -16.25]]]]}, "2010-01-04T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[33.85, -16.25], [33.75, -16.0], [33.85, -15.75], [33.75, -15.5], [33.85, -15.25], [33.75, -15.0], [33.97, -14.47], [34.5, -14.25], [34.75, -14.35], [35.0, -14.25], [35.25, -14.35], [35.5, -14.25], [36.03, -14.47], [36.18, -14.82], [36.25, -14.85], [36.5, -14.75], [36.75, -14.85], [37.0, -14.75], [37.25, -14.85], [37.5, -14.75], [37.75, -14.85], [38.0, -14.75], [38.53, -14.97], [38.68, -15.32], [39.03, -15.47], [39.18, -15.82], [39.53, -15.97], [39.75, -16.5], [39.53, -17.03], [39.0, -17.25], [38.75, -17.15], [38.5, -17.25], [38.07, -17.07], [38.25, -17.5], [38.03, -18.03], [37.5, -18.25], [37.25, -18.15], [37.0, -18.25], [36.75, -18.15], [36.63, -18.2], [36.75, -18.5], [36.53, -19.03], [36.0, -19.25], [35.47, -19.03], [35.32, -18.68], [35.25, -18.65], [35.0, -18.75], [34.47, -18.53], [34.25, -18.0], [34.35, -17.75], [34.32, -17.68], [33.97, -17.53], [33.75, -17.0], [33.85, -16.75], [33.75, -16.5], [33.85, -16.25]]]]}, "2010-01-05T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[33.85, -16.25], [33.75, -16.0], [33.85, -15.75], [33.75, -15.5], [33.85, -15.25], [33.75, -15.0], [33.97, -14.47], [34.5, -14.25], [34.75, -14.35], [35.0, -14.25], [35.25, -14.35], [35.5, -14.25], [36.03, -14.47], [36.18, -14.82], [36.25, -14.85], [36.5, -14.75], [36.75, -14.85], [37.0, -14.75], [37.25, -14.85], [37.5, -14.75], [37.75, -14.85], [38.0, -14.75], [38.53, -14.97], [38.68, -15.32], [39.03, -15.47], [39.18, -15.82], [39.53, -15.97], [39.75, -16.5], [39.53, -17.03], [39.0, -17.25], [38.75, -17.15], [38.5, -17.25], [38.07, -17.07], [38.25, -17.5], [38.03, -18.03], [37.5, -18.25], [37.25, -18.15], [37.0, -18.25], [36.75, -18.15], [36.63, -18.2], [36.75, -18.5], [36.53, -19.03], [36.0, -19.25], [35.47, -19.03], [35.32, -18.68], [35.25, -18.65], [35.0, -18.75], [34.47, -18.53], [34.25, -18.0], [34.35, -17.75], [34.32, -17.68], [33.97, -17.53], [33.75, -17.0], [33.85, -16.75], [33.75, -16.5], [33.85, -16.25]]]]}}}, "max_amp": {"name": "Maximum anomaly amplitude", "description": "Maximum t2m anomaly recorded over entire duration", "value": 4.775618901053633}, "mean_amp": {"name": "Mean anomaly amplitude", "description": "Mean t2m anomaly over entire duration", "value": 2.8082637477730445}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [27.356366186954233, 27.643461146359186, 28.282592807111428, 28.759352494871962, 28.474302370669534]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [30.066645655284958, 30.551558175834316, 31.04549958693866, 31.95891103366864, 31.737872931063578]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [2.2029998133344577, 2.437642498829047, 2.5258199164358155, 3.1779077068143686, 2.866950958811672]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [2.403631878077249, 3.0680632458766013, 3.8104870570668936, 4.775618901053633, 4.302032279036155]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.5181627702501643, 1.6374497382322732, 1.7772849748585382, 2.126542356037507, 1.9286623521683655]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [1.6971478826778041, 2.3547783481377724, 2.5877273507184335, 2.6680061749025192, 2.412591259319139]}}