{"version_information": {"version": "det_AHW_tail10.0_v1.1", "compiled_date": "2026-07-16 09:02:35.812674", "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": "2015-Mar-14_to_2015-Mar-28_18.5_7.5"}, "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": 2015030001791}, "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 14 2015"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "March 28 2015"}, "duration": {"name": "Duration", "description": "Time elapsed (days) from the start date to the end date", "value": 15}, "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": 220408.4517104508}, "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": ["Central African Republic", "Chad", "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": 7.5}, "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": 18.5}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "18.5\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 15.25}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 20.75}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": 4.75}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": 11.25}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2015-03-14T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[19.0, 9.25], [19.53, 9.03], [19.75, 8.5], [19.53, 7.97], [19.0, 7.75], [18.47, 7.97], [18.25, 8.5], [18.47, 9.03], [19.0, 9.25]]]]}, "2015-03-15T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[15.25, 10.0], [15.47, 10.53], [16.0, 10.75], [16.25, 10.65], [16.32, 10.68], [16.47, 11.03], [17.0, 11.25], [17.25, 11.15], [17.5, 11.25], [17.75, 11.15], [17.82, 11.18], [17.97, 11.53], [18.5, 11.75], [18.75, 11.65], [19.0, 11.75], [19.53, 11.53], [19.75, 11.0], [19.53, 10.47], [19.0, 10.25], [18.75, 10.35], [18.68, 10.32], [18.65, 10.25], [18.75, 10.0], [18.53, 9.47], [18.13, 9.3], [18.2, 9.13], [18.5, 9.25], [18.75, 9.15], [19.0, 9.25], [19.5, 9.04], [20.0, 9.25], [20.53, 9.03], [20.68, 8.68], [21.03, 8.53], [21.25, 8.0], [21.03, 7.47], [20.5, 7.25], [20.0, 7.46], [19.68, 7.32], [19.53, 6.97], [19.18, 6.82], [19.03, 6.47], [18.5, 6.25], [18.25, 6.35], [18.0, 6.25], [17.47, 6.47], [17.25, 7.0], [17.35, 7.25], [17.3, 7.38], [17.0, 7.25], [16.47, 7.47], [16.25, 8.0], [16.38, 8.3], [15.97, 8.47], [15.75, 9.0], [15.85, 9.25], [15.82, 9.32], [15.47, 9.47], [15.25, 10.0]]]]}, "2015-03-16T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[15.25, 10.0], [15.47, 10.53], [16.0, 10.75], [16.25, 10.65], [16.32, 10.68], [16.47, 11.03], [17.0, 11.25], [17.25, 11.15], [17.5, 11.25], [17.75, 11.15], [17.82, 11.18], [17.97, 11.53], [18.5, 11.75], [18.75, 11.65], [19.0, 11.75], [19.53, 11.53], [19.75, 11.0], [19.53, 10.47], [19.0, 10.25], [18.75, 10.35], [18.68, 10.32], [18.65, 10.25], [18.75, 10.0], [18.54, 9.5], [18.68, 9.18], [18.75, 9.15], [19.0, 9.25], [19.5, 9.04], [20.0, 9.25], [20.53, 9.03], [20.68, 8.68], [21.03, 8.53], [21.25, 8.0], [21.03, 7.47], [20.5, 7.25], [20.0, 7.46], [19.68, 7.32], [19.53, 6.97], [19.18, 6.82], [19.03, 6.47], [18.5, 6.25], [18.25, 6.35], [18.0, 6.25], [17.47, 6.47], [17.25, 7.0], [17.35, 7.25], [17.32, 7.32], [17.25, 7.35], [17.0, 7.25], [16.47, 7.47], [16.25, 8.0], [16.38, 8.3], [15.97, 8.47], [15.75, 9.0], [15.85, 9.25], [15.82, 9.32], [15.47, 9.47], [15.25, 10.0]]]]}, "2015-03-17T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[15.25, 10.0], [15.47, 10.53], [16.0, 10.75], [16.25, 10.65], [16.32, 10.68], [16.47, 11.03], [17.0, 11.25], [17.25, 11.15], [17.5, 11.25], [17.75, 11.15], [17.82, 11.18], [17.97, 11.53], [18.5, 11.75], [18.75, 11.65], [19.0, 11.75], [19.53, 11.53], [19.75, 11.0], [19.53, 10.47], [19.0, 10.25], [18.75, 10.35], [18.68, 10.32], [18.65, 10.25], [18.75, 10.0], [18.54, 9.5], [18.68, 9.18], [18.75, 9.15], [19.0, 9.25], [19.5, 9.04], [20.0, 9.25], [20.53, 9.03], [20.68, 8.68], [21.03, 8.53], [21.25, 8.0], [21.03, 7.47], [20.5, 7.25], [20.0, 7.46], [19.68, 7.32], [19.53, 6.97], [19.18, 6.82], [19.03, 6.47], [18.5, 6.25], [18.25, 6.35], [18.0, 6.25], [17.47, 6.47], [17.25, 7.0], [17.35, 7.25], [17.32, 7.32], [17.25, 7.35], [17.0, 7.25], [16.47, 7.47], [16.25, 8.0], [16.38, 8.3], [15.97, 8.47], [15.75, 9.0], [15.85, 9.25], [15.82, 9.32], [15.47, 9.47], [15.25, 10.0]]]]}, "2015-03-18T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[17.32, 9.18], [17.47, 9.53], [18.0, 9.75], [18.53, 9.53], [18.68, 9.18], [18.75, 9.15], [19.0, 9.25], [19.53, 9.03], [19.68, 8.68], [20.03, 8.53], [20.25, 8.0], [20.03, 7.47], [19.5, 7.25], [19.25, 7.35], [19.0, 7.25], [18.75, 7.35], [18.5, 7.25], [18.25, 7.35], [18.0, 7.25], [17.75, 7.35], [17.5, 7.25], [17.25, 7.35], [17.0, 7.25], [16.47, 7.47], [16.25, 8.0], [16.47, 8.53], [16.82, 8.68], [16.97, 9.03], [17.32, 9.18]]]]}, "2015-03-19T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[16.25, 9.0], [16.47, 9.53], [17.0, 9.75], [17.5, 9.54], [18.0, 9.75], [18.53, 9.53], [18.7, 9.13], [19.0, 9.25], [19.53, 9.03], [19.68, 8.68], [20.03, 8.53], [20.25, 8.0], [20.03, 7.47], [19.68, 7.32], [19.53, 6.97], [19.0, 6.75], [18.75, 6.85], [18.5, 6.75], [17.97, 6.97], [17.82, 7.32], [17.47, 7.47], [17.32, 7.82], [16.97, 7.97], [16.82, 8.32], [16.47, 8.47], [16.25, 9.0]]]]}, "2015-03-20T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[16.25, 9.0], [16.47, 9.53], [17.0, 9.75], [17.5, 9.54], [18.0, 9.75], [18.53, 9.53], [18.7, 9.13], [19.0, 9.25], [19.53, 9.03], [19.68, 8.68], [20.03, 8.53], [20.25, 8.0], [20.03, 7.47], [19.68, 7.32], [19.53, 6.97], [19.0, 6.75], [18.75, 6.85], [18.5, 6.75], [17.97, 6.97], [17.82, 7.32], [17.75, 7.35], [17.5, 7.25], [16.97, 7.47], [16.75, 8.0], [16.88, 8.3], [16.47, 8.47], [16.25, 9.0]]]]}, "2015-03-21T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[14.97, 8.03], [15.5, 8.25], [15.75, 8.15], [15.82, 8.18], [15.97, 8.53], [16.38, 8.7], [16.25, 9.0], [16.47, 9.53], [17.0, 9.75], [17.53, 9.53], [17.75, 9.0], [17.63, 8.7], [17.75, 8.65], [18.0, 8.75], [18.25, 8.65], [18.5, 8.75], [18.75, 8.65], [19.0, 8.75], [19.25, 8.65], [19.5, 8.75], [20.03, 8.53], [20.25, 8.0], [20.03, 7.47], [19.68, 7.32], [19.65, 7.25], [19.75, 7.0], [19.54, 6.5], [19.68, 6.18], [19.75, 6.15], [20.0, 6.25], [20.53, 6.03], [20.75, 5.5], [20.53, 4.97], [20.18, 4.82], [20.03, 4.47], [19.5, 4.25], [19.25, 4.35], [19.0, 4.25], [18.75, 4.35], [18.5, 4.25], [17.97, 4.47], [17.82, 4.82], [17.75, 4.85], [17.5, 4.75], [16.97, 4.97], [16.75, 5.5], [16.97, 6.03], [17.5, 6.25], [17.75, 6.15], [18.0, 6.25], [17.47, 6.47], [17.32, 6.82], [17.25, 6.85], [17.18, 6.82], [17.03, 6.47], [16.68, 6.32], [16.53, 5.97], [16.0, 5.75], [15.47, 5.97], [15.32, 6.32], [14.97, 6.47], [14.75, 7.0], [14.85, 7.25], [14.75, 7.5], [14.97, 8.03]], [[18.25, 6.15], [18.32, 6.18], [18.43, 6.43], [18.0, 6.25], [18.25, 6.15]]]]}, "2015-03-22T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[14.97, 8.03], [15.5, 8.25], [15.75, 8.15], [15.82, 8.18], [15.97, 8.53], [16.5, 8.75], [16.75, 8.65], [17.0, 8.75], [17.25, 8.65], [17.5, 8.75], [17.75, 8.65], [18.0, 8.75], [18.53, 8.53], [18.68, 8.18], [19.03, 8.03], [19.18, 7.68], [19.53, 7.53], [19.68, 7.18], [20.03, 7.03], [20.25, 6.5], [20.15, 6.25], [20.18, 6.18], [20.53, 6.03], [20.75, 5.5], [20.53, 4.97], [20.18, 4.82], [20.03, 4.47], [19.5, 4.25], [19.25, 4.35], [19.0, 4.25], [18.75, 4.35], [18.5, 4.25], [17.97, 4.47], [17.82, 4.82], [17.75, 4.85], [17.5, 4.75], [16.97, 4.97], [16.75, 5.5], [16.85, 5.75], [16.75, 6.0], [16.93, 6.43], [16.68, 6.32], [16.53, 5.97], [16.0, 5.75], [15.47, 5.97], [15.32, 6.32], [14.97, 6.47], [14.75, 7.0], [14.85, 7.25], [14.75, 7.5], [14.97, 8.03]], [[17.18, 6.82], [17.07, 6.57], [17.32, 6.68], [17.35, 6.75], [17.32, 6.82], [17.25, 6.85], [17.18, 6.82]]]]}, "2015-03-23T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[14.97, 8.03], [15.5, 8.25], [15.75, 8.15], [15.82, 8.18], [15.97, 8.53], [16.5, 8.75], [16.75, 8.65], [17.0, 8.75], [17.25, 8.65], [17.5, 8.75], [17.75, 8.65], [18.0, 8.75], [18.53, 8.53], [18.68, 8.18], [18.75, 8.15], [19.0, 8.25], [19.5, 8.04], [20.0, 8.25], [20.53, 8.03], [20.75, 7.5], [20.53, 6.97], [20.13, 6.8], [20.25, 6.5], [20.15, 6.25], [20.18, 6.18], [20.53, 6.03], [20.75, 5.5], [20.53, 4.97], [20.18, 4.82], [20.03, 4.47], [19.5, 4.25], [19.25, 4.35], [19.0, 4.25], [18.75, 4.35], [18.5, 4.25], [17.97, 4.47], [17.82, 4.82], [17.75, 4.85], [17.5, 4.75], [16.97, 4.97], [16.75, 5.5], [16.85, 5.75], [16.75, 6.0], [16.93, 6.43], [16.68, 6.32], [16.53, 5.97], [16.0, 5.75], [15.47, 5.97], [15.32, 6.32], [14.97, 6.47], [14.75, 7.0], [14.85, 7.25], [14.75, 7.5], [14.97, 8.03]], [[17.18, 6.82], [17.07, 6.57], [17.32, 6.68], [17.35, 6.75], [17.32, 6.82], [17.25, 6.85], [17.18, 6.82]]]]}, "2015-03-24T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[16.75, 6.0], [16.97, 6.53], [17.32, 6.68], [17.35, 6.75], [17.32, 6.82], [16.97, 6.97], [16.75, 7.5], [16.97, 8.03], [17.5, 8.25], [17.75, 8.15], [18.0, 8.25], [18.25, 8.15], [18.32, 8.18], [18.47, 8.53], [19.0, 8.75], [19.25, 8.65], [19.5, 8.75], [20.03, 8.53], [20.18, 8.18], [20.53, 8.03], [20.68, 7.68], [21.03, 7.53], [21.25, 7.0], [21.03, 6.47], [20.5, 6.25], [20.25, 6.35], [20.18, 6.32], [20.15, 6.25], [20.18, 6.18], [20.53, 6.03], [20.75, 5.5], [20.53, 4.97], [20.0, 4.75], [19.75, 4.85], [19.68, 4.82], [19.53, 4.47], [19.0, 4.25], [18.47, 4.47], [18.32, 4.82], [18.25, 4.85], [18.0, 4.75], [17.47, 4.97], [17.32, 5.32], [16.97, 5.47], [16.75, 6.0]]]]}, "2015-03-25T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[15.97, 10.03], [16.38, 10.2], [16.25, 10.5], [16.47, 11.03], [17.0, 11.25], [17.25, 11.15], [17.5, 11.25], [17.75, 11.15], [18.0, 11.25], [18.25, 11.15], [18.5, 11.25], [19.03, 11.03], [19.25, 10.5], [19.03, 9.97], [18.68, 9.82], [18.65, 9.75], [18.68, 9.68], [19.03, 9.53], [19.25, 9.0], [19.15, 8.75], [19.18, 8.68], [19.25, 8.65], [19.5, 8.75], [20.03, 8.53], [20.18, 8.18], [20.53, 8.03], [20.68, 7.68], [21.03, 7.53], [21.25, 7.0], [21.03, 6.47], [20.5, 6.25], [20.25, 6.35], [20.13, 6.3], [20.18, 6.18], [20.53, 6.03], [20.75, 5.5], [20.53, 4.97], [20.0, 4.75], [19.75, 4.85], [19.68, 4.82], [19.53, 4.47], [19.0, 4.25], [18.47, 4.47], [18.32, 4.82], [18.25, 4.85], [18.0, 4.75], [17.47, 4.97], [17.25, 5.5], [17.46, 6.0], [17.25, 6.5], [17.35, 6.75], [17.32, 6.82], [16.97, 6.97], [16.75, 7.5], [16.96, 8.0], [16.82, 8.32], [16.75, 8.35], [16.5, 8.25], [15.97, 8.47], [15.75, 9.0], [15.85, 9.25], [15.75, 9.5], [15.97, 10.03]]]]}, "2015-03-26T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[15.97, 10.03], [16.38, 10.2], [16.25, 10.5], [16.47, 11.03], [17.0, 11.25], [17.25, 11.15], [17.5, 11.25], [17.75, 11.15], [18.0, 11.25], [18.25, 11.15], [18.5, 11.25], [19.03, 11.03], [19.25, 10.5], [19.15, 10.25], [19.25, 10.0], [19.04, 9.5], [19.25, 9.0], [19.15, 8.75], [19.18, 8.68], [19.25, 8.65], [19.5, 8.75], [20.03, 8.53], [20.18, 8.18], [20.53, 8.03], [20.68, 7.68], [21.03, 7.53], [21.25, 7.0], [21.03, 6.47], [20.5, 6.25], [20.25, 6.35], [20.0, 6.25], [19.75, 6.35], [19.68, 6.32], [19.53, 5.97], [19.18, 5.82], [19.03, 5.47], [18.5, 5.25], [17.97, 5.47], [17.82, 5.82], [17.47, 5.97], [17.25, 6.5], [17.35, 6.75], [17.32, 6.82], [16.97, 6.97], [16.75, 7.5], [16.96, 8.0], [16.82, 8.32], [16.75, 8.35], [16.5, 8.25], [15.97, 8.47], [15.75, 9.0], [15.85, 9.25], [15.75, 9.5], [15.97, 10.03]]]]}, "2015-03-27T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[15.97, 10.03], [16.38, 10.2], [16.25, 10.5], [16.47, 11.03], [17.0, 11.25], [17.25, 11.15], [17.5, 11.25], [17.75, 11.15], [18.0, 11.25], [18.25, 11.15], [18.5, 11.25], [19.03, 11.03], [19.25, 10.5], [19.15, 10.25], [19.25, 10.0], [19.04, 9.5], [19.25, 9.0], [19.15, 8.75], [19.25, 8.5], [19.03, 7.97], [18.5, 7.75], [18.25, 7.85], [18.0, 7.75], [17.75, 7.85], [17.5, 7.75], [16.97, 7.97], [16.82, 8.32], [16.75, 8.35], [16.5, 8.25], [15.97, 8.47], [15.75, 9.0], [15.85, 9.25], [15.75, 9.5], [15.97, 10.03]]]]}, "2015-03-28T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[16.47, 8.97], [16.25, 9.5], [16.47, 10.03], [17.0, 10.25], [17.25, 10.15], [17.32, 10.18], [17.47, 10.53], [18.0, 10.75], [18.25, 10.65], [18.5, 10.75], [19.03, 10.53], [19.25, 10.0], [19.03, 9.47], [18.68, 9.32], [18.53, 8.97], [18.0, 8.75], [17.75, 8.85], [17.5, 8.75], [17.25, 8.85], [17.0, 8.75], [16.47, 8.97]]]]}}}, "max_amp": {"name": "Maximum anomaly amplitude", "description": "Maximum t2m anomaly recorded over entire duration", "value": 3.8231207655533694}, "mean_amp": {"name": "Mean anomaly amplitude", "description": "Mean t2m anomaly over entire duration", "value": 2.2864729961048793}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [33.711564514862005, 33.79290172851722, 34.55165044163067, 33.915810335884316, 33.411867860097345, 33.36326840256788, 33.4421567485299, 31.93537405077069, 31.87415960974124, 31.88080986991008, 31.607640389943924, 33.01366757658326, 33.86944441602668, 34.82023620492515, 34.70883791361234]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [33.711564514862005, 35.351460574866735, 35.967903970324926, 35.12994371043709, 33.75937337348125, 33.64928620449206, 33.81784785890653, 34.52610514665861, 34.86673394122084, 34.80453021565381, 33.61117337024177, 35.39106510517382, 35.66098750664548, 35.838350167794886, 35.17976635873305]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [1.8400959846208025, 2.046369223071906, 2.8079726613731957, 2.1667371036076855, 1.8946526551153284, 1.9524276813346149, 1.9876526387715443, 2.1500045128045358, 2.5473173160200133, 2.4455543451480164, 2.168114169753843, 2.1560973745645744, 2.4311926092008544, 2.2729048861110672, 1.8691010732051268]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [1.8400959846208025, 2.6900032039917505, 3.8231207655533694, 3.068644244233724, 2.1058691356735153, 2.4330705892537026, 2.3150954312121144, 2.563234465682285, 3.1976972209629935, 2.9991594103287866, 2.5249364741423506, 2.781656290235617, 3.49407387912737, 2.839020010956915, 2.2071400841342665]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.3700079392469207, 1.461973106514539, 2.0285591739695232, 1.4922474483073416, 1.301104893362046, 1.2970043633943054, 1.2953245693493063, 1.3571453598446241, 1.5949955122311992, 1.5618870631634933, 1.4142945092233825, 1.4735961006825253, 1.6460266607373304, 1.636793960045977, 1.3352541411808816]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [1.3700079392469207, 1.8245260582226195, 2.988383289480408, 2.1882448377752466, 1.4251990521854505, 1.5789244987116622, 1.5513907691977837, 1.5769942099619796, 1.9279667709891977, 1.8893719296636025, 1.7184826483532187, 1.7867109734281366, 2.342010451060224, 2.0218999411141305, 1.5013099349440238]}}