{"version_information": {"version": "det_AHW_v1.1", "compiled_date": "2026-05-20 10:52:03.256188", "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": "2026-Jan-16_to_2026-Jan-22_38.5_1.5"}, "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": 2026010001920}, "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 16 2026"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "January 22 2026"}, "duration": {"name": "Duration", "description": "Time elapsed (days) from the start date to the end date", "value": 7}, "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": 114327.63288899041}, "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": ["Kenya"]}, "IPCC_regions": {"name": "IPCC regions", "description": "List of all IPCC regions affected", "value": ["N.Eastern-Africa", "S.Eastern-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": 1.5}, "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": 38.5}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "38.5\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 37.25}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 40.25}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": -2.75}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": 2.75}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2026-01-16T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[37.25, 2.0], [37.47, 2.53], [38.0, 2.75], [38.25, 2.65], [38.5, 2.75], [38.75, 2.65], [39.0, 2.75], [39.53, 2.53], [39.75, 2.0], [39.65, 1.75], [39.75, 1.5], [39.53, 0.97], [39.0, 0.75], [38.75, 0.85], [38.5, 0.75], [37.97, 0.97], [37.82, 1.32], [37.47, 1.47], [37.25, 2.0]]]]}, "2026-01-17T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[37.25, 2.0], [37.47, 2.53], [38.0, 2.75], [38.25, 2.65], [38.5, 2.75], [38.75, 2.65], [39.0, 2.75], [39.53, 2.53], [39.75, 2.0], [39.65, 1.75], [39.75, 1.5], [39.53, 0.97], [39.0, 0.75], [38.75, 0.85], [38.5, 0.75], [37.97, 0.97], [37.82, 1.32], [37.47, 1.47], [37.25, 2.0]]]]}, "2026-01-18T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[36.85, 1.75], [36.75, 2.0], [36.97, 2.53], [37.5, 2.75], [37.75, 2.65], [38.0, 2.75], [38.25, 2.65], [38.5, 2.75], [38.75, 2.65], [39.0, 2.75], [39.53, 2.53], [39.75, 2.0], [39.65, 1.75], [39.75, 1.5], [39.65, 1.25], [39.75, 1.0], [39.65, 0.75], [39.68, 0.68], [40.03, 0.53], [40.25, 0.0], [40.03, -0.53], [39.5, -0.75], [39.25, -0.65], [39.18, -0.68], [39.15, -0.75], [39.25, -1.0], [39.15, -1.25], [39.25, -1.5], [39.15, -1.75], [39.25, -2.0], [39.15, -2.25], [39.25, -2.5], [39.03, -3.03], [38.5, -3.25], [37.97, -3.03], [37.75, -2.5], [37.85, -2.25], [37.75, -2.0], [37.85, -1.75], [37.75, -1.5], [37.85, -1.25], [37.75, -1.0], [37.85, -0.75], [37.82, -0.68], [37.47, -0.53], [37.25, 0.0], [37.35, 0.25], [37.32, 0.32], [36.97, 0.47], [36.75, 1.0], [36.85, 1.25], [36.75, 1.5], [36.85, 1.75]]]]}, "2026-01-19T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[36.85, 1.75], [36.75, 2.0], [36.97, 2.53], [37.5, 2.75], [37.75, 2.65], [38.0, 2.75], [38.25, 2.65], [38.5, 2.75], [39.03, 2.53], [39.18, 2.18], [39.53, 2.03], [39.75, 1.5], [39.65, 1.25], [39.75, 1.0], [39.65, 0.75], [39.68, 0.68], [40.03, 0.53], [40.25, 0.0], [40.03, -0.53], [39.5, -0.75], [39.25, -0.65], [39.18, -0.68], [39.15, -0.75], [39.25, -1.0], [39.15, -1.25], [39.25, -1.5], [39.15, -1.75], [39.25, -2.0], [39.15, -2.25], [39.25, -2.5], [39.03, -3.03], [38.5, -3.25], [37.97, -3.03], [37.75, -2.5], [37.85, -2.25], [37.75, -2.0], [37.85, -1.75], [37.75, -1.5], [37.85, -1.25], [37.75, -1.0], [37.85, -0.75], [37.82, -0.68], [37.47, -0.53], [37.25, 0.0], [37.35, 0.25], [37.32, 0.32], [36.97, 0.47], [36.75, 1.0], [36.85, 1.25], [36.75, 1.5], [36.85, 1.75]]]]}, "2026-01-20T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[36.85, 1.75], [36.75, 2.0], [36.85, 2.25], [36.75, 2.5], [36.97, 3.03], [37.5, 3.25], [37.75, 3.15], [38.0, 3.25], [38.5, 3.04], [39.0, 3.25], [39.25, 3.15], [39.5, 3.25], [39.75, 3.15], [40.0, 3.25], [40.53, 3.03], [40.75, 2.5], [40.65, 2.25], [40.75, 2.0], [40.65, 1.75], [40.75, 1.5], [40.53, 0.97], [40.18, 0.82], [40.15, 0.75], [40.25, 0.5], [40.15, 0.25], [40.25, 0.0], [40.15, -0.25], [40.25, -0.5], [40.15, -0.75], [40.25, -1.0], [40.03, -1.53], [39.5, -1.75], [39.2, -1.62], [39.15, -1.75], [39.25, -2.0], [39.15, -2.25], [39.25, -2.5], [39.03, -3.03], [38.5, -3.25], [37.97, -3.03], [37.75, -2.5], [37.85, -2.25], [37.75, -2.0], [37.85, -1.75], [37.75, -1.5], [37.85, -1.25], [37.75, -1.0], [37.85, -0.75], [37.82, -0.68], [37.47, -0.53], [37.25, 0.0], [37.35, 0.25], [37.32, 0.32], [36.97, 0.47], [36.75, 1.0], [36.85, 1.25], [36.75, 1.5], [36.85, 1.75]]]]}, "2026-01-21T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[36.85, 1.75], [36.75, 2.0], [36.85, 2.25], [36.75, 2.5], [36.97, 3.03], [37.5, 3.25], [37.75, 3.15], [38.0, 3.25], [38.5, 3.04], [39.0, 3.25], [39.25, 3.15], [39.5, 3.25], [39.75, 3.15], [40.0, 3.25], [40.53, 3.03], [40.75, 2.5], [40.65, 2.25], [40.75, 2.0], [40.65, 1.75], [40.75, 1.5], [40.53, 0.97], [40.18, 0.82], [40.15, 0.75], [40.25, 0.5], [40.15, 0.25], [40.25, 0.0], [40.15, -0.25], [40.25, -0.5], [40.15, -0.75], [40.25, -1.0], [40.03, -1.53], [39.5, -1.75], [39.2, -1.62], [39.15, -1.75], [39.25, -2.0], [39.03, -2.53], [38.5, -2.75], [37.97, -2.53], [37.75, -2.0], [37.85, -1.75], [37.75, -1.5], [37.85, -1.25], [37.75, -1.0], [37.85, -0.75], [37.82, -0.68], [37.47, -0.53], [37.25, 0.0], [37.35, 0.25], [37.32, 0.32], [36.97, 0.47], [36.75, 1.0], [36.85, 1.25], [36.75, 1.5], [36.85, 1.75]]]]}, "2026-01-22T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[36.97, 3.03], [37.5, 3.25], [37.75, 3.15], [38.0, 3.25], [38.5, 3.04], [39.0, 3.25], [39.25, 3.15], [39.5, 3.25], [39.75, 3.15], [40.0, 3.25], [40.53, 3.03], [40.75, 2.5], [40.65, 2.25], [40.75, 2.0], [40.65, 1.75], [40.75, 1.5], [40.53, 0.97], [40.18, 0.82], [40.15, 0.75], [40.25, 0.5], [40.15, 0.25], [40.25, 0.0], [40.15, -0.25], [40.25, -0.5], [40.15, -0.75], [40.25, -1.0], [40.03, -1.53], [39.5, -1.75], [38.97, -1.53], [38.75, -1.0], [38.85, -0.75], [38.75, -0.5], [38.85, -0.25], [38.82, -0.18], [38.75, -0.15], [38.5, -0.25], [37.97, -0.03], [37.8, 0.38], [37.5, 0.25], [36.97, 0.47], [36.75, 1.0], [36.96, 1.5], [36.75, 2.0], [36.85, 2.25], [36.75, 2.5], [36.97, 3.03]]]]}}}, "max_amp": {"name": "Maximum anomaly amplitude", "description": "Maximum t2m anomaly recorded over entire duration", "value": 2.4340569737649957}, "mean_amp": {"name": "Mean anomaly amplitude", "description": "Mean t2m anomaly over entire duration", "value": 1.6901275406666831}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [29.741147613525413, 29.395532735188795, 28.584680175781273, 28.16243968355485, 29.17403856569581, 29.325381780553812, 29.468225488907308]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [30.5308611551921, 29.94667205810549, 30.640435791015648, 30.055010732014978, 30.681829071044945, 31.100654856363974, 30.569080607096396]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [1.7560390450134036, 1.3739979866575935, 1.8529594656285155, 1.473334909432545, 1.7769582908953456, 1.895979997124897, 1.371124785922715]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [2.0214417979004793, 1.4153876966685743, 2.2059259650062586, 1.8604302351398587, 2.24659154827998, 2.4340569737649957, 1.769482332002383]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.5617382424154895, 1.222657873339191, 1.774586650472988, 1.5032199323609767, 1.887457324569788, 2.054830128950186, 1.5034644583369543]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [1.8332921636573947, 1.2870063815524544, 2.0100549254808193, 1.934591664481581, 2.557951720001952, 2.666665764942876, 1.9413058465819866]}}