{"version_information": {"version": "det_AHW_tail10.0_v1.1", "compiled_date": "2026-07-16 09:05:55.008088", "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": "2016-Jul-16_to_2016-Jul-22_12.0_-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": 2016070002298}, "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": "July 16 2016"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "July 22 2016"}, "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": 776664.4261558319}, "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": ["Angola", "Namibia"]}, "IPCC_regions": {"name": "IPCC regions", "description": "List of all IPCC regions affected", "value": ["S.Atlantic-Ocean", "W.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": ["South Atlantic Ocean"]}, "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": 12.0}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "12.0\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 0.25}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 13.25}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": -19.75}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": -11.75}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2016-07-16T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[12.0, -15.75], [12.53, -15.97], [12.75, -16.5], [12.65, -16.75], [12.75, -17.0], [12.53, -17.53], [12.0, -17.75], [11.47, -17.53], [11.25, -17.0], [11.35, -16.75], [11.25, -16.5], [11.47, -15.97], [12.0, -15.75]]], [[[12.47, -15.53], [12.25, -15.0], [12.47, -14.47], [13.0, -14.25], [13.53, -14.47], [13.75, -15.0], [13.53, -15.53], [13.0, -15.75], [12.47, -15.53]]]]}, "2016-07-17T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[11.35, -16.75], [11.25, -16.5], [11.35, -16.25], [11.25, -16.0], [11.47, -15.47], [11.82, -15.32], [11.97, -14.97], [12.32, -14.82], [12.47, -14.47], [13.0, -14.25], [13.53, -14.47], [13.75, -15.0], [13.53, -15.53], [13.18, -15.68], [13.04, -16.0], [13.25, -16.5], [13.03, -17.03], [12.68, -17.18], [12.65, -17.25], [12.75, -17.5], [12.53, -18.03], [12.0, -18.25], [11.47, -18.03], [11.25, -17.5], [11.35, -17.25], [11.25, -17.0], [11.35, -16.75]]]]}, "2016-07-18T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[7.5, -16.25], [7.93, -16.43], [7.75, -16.0], [7.97, -15.47], [8.32, -15.32], [8.47, -14.97], [9.0, -14.75], [9.53, -14.97], [9.75, -15.5], [9.65, -15.75], [9.75, -16.0], [9.65, -16.25], [9.75, -16.5], [9.53, -17.03], [9.0, -17.25], [8.47, -17.03], [8.32, -16.68], [8.07, -16.57], [8.25, -17.0], [8.15, -17.25], [8.18, -17.32], [8.53, -17.47], [8.75, -18.0], [8.53, -18.53], [8.0, -18.75], [7.47, -18.53], [7.32, -18.18], [6.97, -18.03], [6.75, -17.5], [6.85, -17.25], [6.75, -17.0], [6.97, -16.47], [7.5, -16.25]]], [[[9.97, -14.47], [10.32, -14.32], [10.35, -14.25], [10.25, -14.0], [10.47, -13.47], [11.0, -13.25], [11.25, -13.35], [11.5, -13.25], [11.75, -13.35], [11.82, -13.32], [11.97, -12.97], [12.5, -12.75], [13.03, -12.97], [13.18, -13.32], [13.53, -13.47], [13.75, -14.0], [13.54, -14.5], [13.75, -15.0], [13.65, -15.25], [13.75, -15.5], [13.65, -15.75], [13.75, -16.0], [13.53, -16.53], [13.18, -16.68], [13.03, -17.03], [12.68, -17.18], [12.65, -17.25], [12.68, -17.32], [13.03, -17.47], [13.25, -18.0], [13.15, -18.25], [13.18, -18.32], [13.53, -18.47], [13.75, -19.0], [13.65, -19.25], [13.75, -19.5], [13.53, -20.03], [13.0, -20.25], [12.47, -20.03], [12.25, -19.5], [12.35, -19.25], [12.32, -19.18], [12.0, -19.04], [11.5, -19.25], [11.25, -19.15], [11.0, -19.25], [10.75, -19.15], [10.5, -19.25], [9.97, -19.03], [9.75, -18.5], [9.85, -18.25], [9.75, -18.0], [9.97, -17.47], [10.32, -17.32], [10.35, -17.25], [10.25, -17.0], [10.35, -16.75], [10.32, -16.68], [9.97, -16.53], [9.75, -16.0], [9.85, -15.75], [9.75, -15.5], [9.85, -15.25], [9.75, -15.0], [9.97, -14.47]]]]}, "2016-07-19T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-0.03, -15.47], [0.5, -15.25], [1.03, -15.47], [1.18, -15.82], [1.25, -15.85], [1.5, -15.75], [1.75, -15.85], [1.82, -15.82], [1.97, -15.47], [2.32, -15.32], [2.35, -15.25], [2.25, -15.0], [2.35, -14.75], [2.25, -14.5], [2.35, -14.25], [2.25, -14.0], [2.35, -13.75], [2.25, -13.5], [2.47, -12.97], [2.82, -12.82], [2.97, -12.47], [3.5, -12.25], [3.75, -12.35], [4.0, -12.25], [4.53, -12.47], [4.75, -13.0], [4.65, -13.25], [4.68, -13.32], [4.75, -13.35], [5.0, -13.25], [5.25, -13.35], [5.32, -13.32], [5.46, -13.0], [5.25, -12.5], [5.47, -11.97], [5.82, -11.82], [5.97, -11.47], [6.5, -11.25], [6.75, -11.35], [7.0, -11.25], [7.53, -11.47], [7.68, -11.82], [8.03, -11.97], [8.18, -12.32], [8.25, -12.35], [8.5, -12.25], [8.75, -12.35], [8.82, -12.32], [8.97, -11.97], [9.5, -11.75], [9.75, -11.85], [10.0, -11.75], [10.25, -11.85], [10.5, -11.75], [11.03, -11.97], [11.18, -12.32], [11.25, -12.35], [11.32, -12.32], [11.47, -11.97], [12.0, -11.75], [12.25, -11.85], [12.32, -11.82], [12.47, -11.47], [13.0, -11.25], [13.53, -11.47], [13.75, -12.0], [13.65, -12.25], [13.75, -12.5], [13.53, -13.03], [13.18, -13.18], [13.15, -13.25], [13.18, -13.32], [13.53, -13.47], [13.75, -14.0], [13.53, -14.53], [13.18, -14.68], [13.15, -14.75], [13.18, -14.82], [13.53, -14.97], [13.75, -15.5], [13.65, -15.75], [13.75, -16.0], [13.53, -16.53], [13.18, -16.68], [13.03, -17.03], [12.68, -17.18], [12.65, -17.25], [12.68, -17.32], [13.03, -17.47], [13.25, -18.0], [13.15, -18.25], [13.18, -18.32], [13.53, -18.47], [13.75, -19.0], [13.65, -19.25], [13.75, -19.5], [13.53, -20.03], [13.0, -20.25], [12.47, -20.03], [12.3, -19.62], [12.0, -19.75], [11.75, -19.65], [11.5, -19.75], [11.25, -19.65], [11.0, -19.75], [10.75, -19.65], [10.5, -19.75], [9.97, -19.53], [9.82, -19.18], [9.75, -19.15], [9.5, -19.25], [9.0, -19.04], [8.5, -19.25], [8.25, -19.15], [8.0, -19.25], [7.75, -19.15], [7.5, -19.25], [7.25, -19.15], [7.0, -19.25], [6.75, -19.15], [6.5, -19.25], [6.25, -19.15], [6.0, -19.25], [5.47, -19.03], [5.32, -18.68], [5.25, -18.65], [5.0, -18.75], [4.75, -18.65], [4.5, -18.75], [4.25, -18.65], [4.0, -18.75], [3.47, -18.53], [3.32, -18.18], [3.25, -18.15], [3.0, -18.25], [2.75, -18.15], [2.5, -18.25], [2.25, -18.15], [2.0, -18.25], [1.75, -18.15], [1.5, -18.25], [1.25, -18.15], [1.0, -18.25], [0.47, -18.03], [0.25, -17.5], [0.35, -17.25], [0.32, -17.18], [-0.03, -17.03], [-0.25, -16.5], [-0.15, -16.25], [-0.25, -16.0], [-0.03, -15.47]]]]}, "2016-07-20T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-0.03, -15.47], [0.5, -15.25], [1.03, -15.47], [1.18, -15.82], [1.25, -15.85], [1.5, -15.75], [1.75, -15.85], [1.82, -15.82], [1.97, -15.47], [2.32, -15.32], [2.35, -15.25], [2.25, -15.0], [2.35, -14.75], [2.25, -14.5], [2.35, -14.25], [2.25, -14.0], [2.35, -13.75], [2.25, -13.5], [2.47, -12.97], [2.82, -12.82], [2.97, -12.47], [3.5, -12.25], [3.75, -12.35], [4.0, -12.25], [4.53, -12.47], [4.75, -13.0], [4.65, -13.25], [4.68, -13.32], [4.75, -13.35], [5.0, -13.25], [5.25, -13.35], [5.32, -13.32], [5.46, -13.0], [5.25, -12.5], [5.47, -11.97], [5.82, -11.82], [5.97, -11.47], [6.5, -11.25], [6.75, -11.35], [7.0, -11.25], [7.53, -11.47], [7.68, -11.82], [8.03, -11.97], [8.18, -12.32], [8.25, -12.35], [8.5, -12.25], [8.75, -12.35], [8.82, -12.32], [8.97, -11.97], [9.32, -11.82], [9.47, -11.47], [10.0, -11.25], [10.25, -11.35], [10.5, -11.25], [10.75, -11.35], [11.0, -11.25], [11.25, -11.35], [11.5, -11.25], [12.03, -11.47], [12.18, -11.82], [12.25, -11.85], [12.32, -11.82], [12.47, -11.47], [13.0, -11.25], [13.53, -11.47], [13.75, -12.0], [13.65, -12.25], [13.75, -12.5], [13.53, -13.03], [13.18, -13.18], [13.15, -13.25], [13.18, -13.32], [13.53, -13.47], [13.75, -14.0], [13.54, -14.5], [13.75, -15.0], [13.65, -15.25], [13.75, -15.5], [13.65, -15.75], [13.75, -16.0], [13.53, -16.53], [13.18, -16.68], [13.03, -17.03], [12.68, -17.18], [12.65, -17.25], [12.68, -17.32], [13.03, -17.47], [13.25, -18.0], [13.15, -18.25], [13.18, -18.32], [13.53, -18.47], [13.75, -19.0], [13.65, -19.25], [13.75, -19.5], [13.53, -20.03], [13.0, -20.25], [12.47, -20.03], [12.3, -19.62], [12.0, -19.75], [11.75, -19.65], [11.5, -19.75], [11.25, -19.65], [11.0, -19.75], [10.75, -19.65], [10.5, -19.75], [9.97, -19.53], [9.82, -19.18], [9.75, -19.15], [9.5, -19.25], [9.0, -19.04], [8.5, -19.25], [8.25, -19.15], [8.0, -19.25], [7.75, -19.15], [7.5, -19.25], [7.25, -19.15], [7.0, -19.25], [6.75, -19.15], [6.5, -19.25], [6.25, -19.15], [6.0, -19.25], [5.47, -19.03], [5.32, -18.68], [5.25, -18.65], [5.0, -18.75], [4.75, -18.65], [4.5, -18.75], [4.25, -18.65], [4.0, -18.75], [3.47, -18.53], [3.32, -18.18], [3.25, -18.15], [3.0, -18.25], [2.75, -18.15], [2.5, -18.25], [2.25, -18.15], [2.0, -18.25], [1.75, -18.15], [1.5, -18.25], [1.25, -18.15], [1.0, -18.25], [0.47, -18.03], [0.25, -17.5], [0.35, -17.25], [0.32, -17.18], [-0.03, -17.03], [-0.25, -16.5], [-0.15, -16.25], [-0.25, -16.0], [-0.03, -15.47]]]]}, "2016-07-21T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-0.03, -15.47], [0.5, -15.25], [1.03, -15.47], [1.18, -15.82], [1.25, -15.85], [1.5, -15.75], [1.75, -15.85], [1.82, -15.82], [1.97, -15.47], [2.32, -15.32], [2.35, -15.25], [2.25, -15.0], [2.35, -14.75], [2.25, -14.5], [2.35, -14.25], [2.25, -14.0], [2.35, -13.75], [2.25, -13.5], [2.47, -12.97], [2.82, -12.82], [2.97, -12.47], [3.5, -12.25], [3.75, -12.35], [4.0, -12.25], [4.53, -12.47], [4.75, -13.0], [4.65, -13.25], [4.68, -13.32], [4.75, -13.35], [5.0, -13.25], [5.25, -13.35], [5.32, -13.32], [5.46, -13.0], [5.25, -12.5], [5.47, -11.97], [5.82, -11.82], [5.97, -11.47], [6.5, -11.25], [6.75, -11.35], [7.0, -11.25], [7.53, -11.47], [7.68, -11.82], [8.03, -11.97], [8.18, -12.32], [8.25, -12.35], [8.5, -12.25], [8.75, -12.35], [8.82, -12.32], [8.97, -11.97], [9.32, -11.82], [9.47, -11.47], [10.0, -11.25], [10.25, -11.35], [10.5, -11.25], [10.75, -11.35], [11.0, -11.25], [11.25, -11.35], [11.5, -11.25], [12.03, -11.47], [12.18, -11.82], [12.25, -11.85], [12.32, -11.82], [12.47, -11.47], [13.0, -11.25], [13.53, -11.47], [13.75, -12.0], [13.65, -12.25], [13.75, -12.5], [13.53, -13.03], [13.18, -13.18], [13.15, -13.25], [13.18, -13.32], [13.53, -13.47], [13.75, -14.0], [13.54, -14.5], [13.75, -15.0], [13.53, -15.53], [13.18, -15.68], [13.15, -15.75], [13.25, -16.0], [13.15, -16.25], [13.25, -16.5], [13.03, -17.03], [12.68, -17.18], [12.65, -17.25], [12.68, -17.32], [13.03, -17.47], [13.25, -18.0], [13.15, -18.25], [13.18, -18.32], [13.53, -18.47], [13.75, -19.0], [13.53, -19.53], [13.0, -19.75], [12.5, -19.54], [12.0, -19.75], [11.75, -19.65], [11.5, -19.75], [11.25, -19.65], [11.0, -19.75], [10.75, -19.65], [10.5, -19.75], [9.97, -19.53], [9.82, -19.18], [9.75, -19.15], [9.5, -19.25], [9.0, -19.04], [8.5, -19.25], [8.25, -19.15], [8.0, -19.25], [7.75, -19.15], [7.5, -19.25], [7.25, -19.15], [7.0, -19.25], [6.75, -19.15], [6.5, -19.25], [6.25, -19.15], [6.0, -19.25], [5.47, -19.03], [5.32, -18.68], [5.25, -18.65], [5.0, -18.75], [4.75, -18.65], [4.5, -18.75], [4.25, -18.65], [4.0, -18.75], [3.47, -18.53], [3.32, -18.18], [3.25, -18.15], [3.0, -18.25], [2.75, -18.15], [2.5, -18.25], [2.25, -18.15], [2.0, -18.25], [1.75, -18.15], [1.5, -18.25], [1.25, -18.15], [1.0, -18.25], [0.47, -18.03], [0.25, -17.5], [0.35, -17.25], [0.32, -17.18], [-0.03, -17.03], [-0.25, -16.5], [-0.15, -16.25], [-0.25, -16.0], [-0.03, -15.47]]]]}, "2016-07-22T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[5.85, -13.75], [5.75, -13.5], [5.97, -12.97], [6.32, -12.82], [6.35, -12.75], [6.25, -12.5], [6.47, -11.97], [7.0, -11.75], [7.53, -11.97], [7.68, -12.32], [8.03, -12.47], [8.18, -12.82], [8.53, -12.97], [8.75, -13.5], [8.85, -13.25], [8.75, -13.0], [8.97, -12.47], [9.32, -12.32], [9.35, -12.25], [9.25, -12.0], [9.47, -11.47], [10.0, -11.25], [10.25, -11.35], [10.5, -11.25], [10.75, -11.35], [11.0, -11.25], [11.25, -11.35], [11.5, -11.25], [12.03, -11.47], [12.25, -12.0], [12.15, -12.25], [12.25, -12.5], [12.13, -12.8], [12.25, -12.85], [12.5, -12.75], [13.03, -12.97], [13.25, -13.5], [13.15, -13.75], [13.25, -14.0], [13.15, -14.25], [13.18, -14.32], [13.53, -14.47], [13.75, -15.0], [13.53, -15.53], [13.0, -15.75], [12.75, -15.65], [12.68, -15.68], [12.63, -15.8], [13.03, -15.97], [13.25, -16.5], [13.03, -17.03], [12.5, -17.25], [12.25, -17.15], [12.18, -17.18], [12.03, -17.53], [11.5, -17.75], [10.97, -17.53], [10.82, -17.18], [10.75, -17.15], [10.5, -17.25], [9.97, -17.03], [9.75, -16.5], [9.53, -17.03], [9.0, -17.25], [8.75, -17.15], [8.5, -17.25], [7.97, -17.03], [7.82, -16.68], [7.47, -16.53], [7.32, -16.18], [6.97, -16.03], [6.75, -15.5], [6.85, -15.25], [6.82, -15.18], [6.75, -15.15], [6.5, -15.25], [5.97, -15.03], [5.75, -14.5], [5.85, -14.25], [5.75, -14.0], [5.85, -13.75]], [[8.65, -13.75], [8.68, -13.82], [8.75, -13.85], [8.88, -13.8], [8.75, -13.5], [8.65, -13.75]], [[9.85, -16.25], [9.75, -16.0], [9.65, -16.25], [9.75, -16.5], [9.85, -16.25]], [[9.85, -15.75], [9.75, -15.5], [9.65, -15.75], [9.75, -16.0], [9.85, -15.75]], [[9.85, -15.25], [9.75, -15.0], [9.65, -15.25], [9.75, -15.5], [9.85, -15.25]], [[9.85, -14.75], [9.82, -14.68], [9.7, -14.62], [9.65, -14.75], [9.75, -15.0], [9.85, -14.75]]]]}}}, "max_amp": {"name": "Maximum anomaly amplitude", "description": "Maximum t2m anomaly recorded over entire duration", "value": 6.952638145441767}, "mean_amp": {"name": "Mean anomaly amplitude", "description": "Mean t2m anomaly over entire duration", "value": 2.0636741209814558}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [23.38675161858845, 23.722566713383628, 20.99326217058166, 20.280547730452668, 20.494212603117035, 19.980505738836428, 19.926517933873185]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [23.950885848710357, 25.525407630547136, 26.507040286285758, 25.58770518350434, 25.752755453412988, 25.25666975544351, 24.662675761421212]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [3.291650508540594, 3.57926714618975, 2.702709330941616, 1.9962679789624718, 2.2495963095153333, 1.8540775092229385, 1.7167417488583014]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [3.901799715368611, 4.725648433714298, 6.237020476429791, 6.952638145441767, 6.460598067604849, 5.920442742660498, 4.01837419092476]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.5323142441415072, 1.5403534095904141, 1.6300501580790558, 1.9201217425911903, 2.272093249768716, 1.9051807597008985, 1.5250146684699362]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [1.6349824617859516, 1.7429973928306532, 2.6727949739198555, 3.701836017798295, 3.4170295797608845, 2.683231947866511, 1.8734479159691713]}}