{"version_information": {"version": "det_AHW_tail10.0_v1.2", "compiled_date": "2026-06-27 18:18:34.227890", "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": "2020-Jan-02_to_2020-Jan-11_129.5_-5.5"}, "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": 2020010001164}, "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 02 2020"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "January 11 2020"}, "duration": {"name": "Duration", "description": "Time elapsed (days) from the start date to the end date", "value": 10}, "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": 305218.7080716545}, "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": ["Indonesia"]}, "IPCC_regions": {"name": "IPCC regions", "description": "List of all IPCC regions affected", "value": ["S.E.Asia"]}, "continents_affected": {"name": "Continents affected", "description": "List of all continents affected", "value": ["Asia"]}, "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": ["Banda Sea", "Gulf of Boni"]}, "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": -5.5}, "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": 129.5}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "129.5\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 118.75}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 129.75}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": -6.25}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": -0.75}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2020-01-02T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[121.0, -5.25], [121.53, -5.47], [121.75, -6.0], [121.53, -6.53], [121.0, -6.75], [120.47, -6.53], [120.25, -6.0], [120.47, -5.47], [121.0, -5.25]]]]}, "2020-01-03T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[120.25, -6.0], [120.47, -5.47], [121.0, -5.25], [121.25, -5.35], [121.5, -5.25], [122.03, -5.47], [122.25, -6.0], [122.03, -6.53], [121.5, -6.75], [121.25, -6.65], [121.0, -6.75], [120.47, -6.53], [120.25, -6.0]]], [[[122.97, -4.97], [123.32, -4.82], [123.35, -4.75], [123.25, -4.5], [123.47, -3.97], [124.0, -3.75], [124.53, -3.97], [124.68, -4.32], [125.03, -4.47], [125.18, -4.82], [125.53, -4.97], [125.75, -5.5], [125.53, -6.03], [125.18, -6.18], [125.03, -6.53], [124.5, -6.75], [123.97, -6.53], [123.82, -6.18], [123.75, -6.15], [123.68, -6.18], [123.53, -6.53], [123.0, -6.75], [122.47, -6.53], [122.25, -6.0], [122.47, -5.47], [122.82, -5.32], [122.97, -4.97]]]]}, "2020-01-04T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[120.47, -4.47], [121.0, -4.25], [121.25, -4.35], [121.5, -4.25], [122.0, -4.46], [122.5, -4.25], [122.75, -4.35], [123.0, -4.25], [123.25, -4.35], [123.32, -4.32], [123.47, -3.97], [124.0, -3.75], [124.53, -3.97], [124.68, -4.32], [125.03, -4.47], [125.18, -4.82], [125.25, -4.85], [125.5, -4.75], [125.93, -4.93], [125.75, -4.5], [125.97, -3.97], [126.5, -3.75], [127.03, -3.97], [127.25, -4.5], [127.03, -5.03], [126.5, -5.25], [126.07, -5.07], [126.25, -5.5], [126.03, -6.03], [125.5, -6.25], [125.25, -6.15], [125.18, -6.18], [125.03, -6.53], [124.5, -6.75], [123.97, -6.53], [123.82, -6.18], [123.75, -6.15], [123.68, -6.18], [123.53, -6.53], [123.0, -6.75], [122.47, -6.53], [122.32, -6.18], [122.25, -6.15], [122.18, -6.18], [122.03, -6.53], [121.5, -6.75], [121.25, -6.65], [121.0, -6.75], [120.75, -6.65], [120.5, -6.75], [119.97, -6.53], [119.75, -6.0], [119.97, -5.47], [120.32, -5.32], [120.35, -5.25], [120.25, -5.0], [120.47, -4.47]]], [[[128.5, -3.75], [128.75, -3.85], [129.0, -3.75], [129.25, -3.85], [129.5, -3.75], [130.03, -3.97], [130.25, -4.5], [130.15, -4.75], [130.25, -5.0], [130.15, -5.25], [130.25, -5.5], [130.03, -6.03], [129.5, -6.25], [129.25, -6.15], [129.0, -6.25], [128.75, -6.15], [128.5, -6.25], [127.97, -6.03], [127.75, -5.5], [127.96, -5.0], [127.75, -4.5], [127.97, -3.97], [128.5, -3.75]]]]}, "2020-01-05T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[120.25, -5.0], [120.47, -4.47], [121.0, -4.25], [121.25, -4.35], [121.5, -4.25], [121.93, -4.43], [121.75, -4.0], [121.85, -3.75], [121.75, -3.5], [121.96, -3.0], [121.75, -2.5], [121.85, -2.25], [121.75, -2.0], [121.85, -1.75], [121.75, -1.5], [121.97, -0.97], [122.5, -0.75], [123.03, -0.97], [123.25, -1.5], [123.15, -1.75], [123.25, -2.0], [123.15, -2.25], [123.25, -2.5], [123.13, -2.8], [123.53, -2.97], [123.68, -3.32], [124.03, -3.47], [124.18, -3.82], [124.25, -3.85], [124.5, -3.75], [124.75, -3.85], [124.82, -3.82], [124.97, -3.47], [125.32, -3.32], [125.47, -2.97], [126.0, -2.75], [126.53, -2.97], [126.75, -3.5], [126.65, -3.75], [126.68, -3.82], [126.75, -3.85], [126.82, -3.82], [126.97, -3.47], [127.5, -3.25], [127.75, -3.35], [128.0, -3.25], [128.25, -3.35], [128.5, -3.25], [129.03, -3.47], [129.18, -3.82], [129.25, -3.85], [129.5, -3.75], [130.03, -3.97], [130.25, -4.5], [130.15, -4.75], [130.25, -5.0], [130.15, -5.25], [130.25, -5.5], [130.03, -6.03], [129.5, -6.25], [129.25, -6.15], [129.0, -6.25], [128.75, -6.15], [128.5, -6.25], [127.97, -6.03], [127.82, -5.68], [127.75, -5.65], [127.5, -5.75], [126.97, -5.53], [126.82, -5.18], [126.75, -5.15], [126.5, -5.25], [126.25, -5.15], [126.18, -5.18], [126.15, -5.25], [126.25, -5.5], [126.03, -6.03], [125.5, -6.25], [125.25, -6.15], [125.18, -6.18], [125.03, -6.53], [124.5, -6.75], [123.97, -6.53], [123.82, -6.18], [123.75, -6.15], [123.68, -6.18], [123.53, -6.53], [123.0, -6.75], [122.47, -6.53], [122.32, -6.18], [122.25, -6.15], [122.18, -6.18], [122.03, -6.53], [121.5, -6.75], [121.25, -6.65], [121.0, -6.75], [120.75, -6.65], [120.5, -6.75], [119.97, -6.53], [119.75, -6.0], [119.97, -5.47], [120.32, -5.32], [120.35, -5.25], [120.25, -5.0]]]]}, "2020-01-06T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[120.25, -5.0], [120.47, -4.47], [121.0, -4.25], [121.25, -4.35], [121.5, -4.25], [121.93, -4.43], [121.75, -4.0], [121.85, -3.75], [121.75, -3.5], [121.85, -3.25], [121.82, -3.18], [121.47, -3.03], [121.25, -2.5], [121.47, -1.97], [121.82, -1.82], [121.85, -1.75], [121.75, -1.5], [121.97, -0.97], [122.5, -0.75], [123.03, -0.97], [123.18, -1.32], [123.53, -1.47], [123.68, -1.82], [124.0, -1.96], [124.5, -1.75], [125.0, -1.96], [125.5, -1.75], [126.03, -1.97], [126.25, -2.5], [126.15, -2.75], [126.18, -2.82], [126.53, -2.97], [126.75, -3.5], [126.65, -3.75], [126.68, -3.82], [126.75, -3.85], [126.82, -3.82], [126.97, -3.47], [127.5, -3.25], [127.75, -3.35], [128.0, -3.25], [128.25, -3.35], [128.5, -3.25], [129.03, -3.47], [129.18, -3.82], [129.25, -3.85], [129.5, -3.75], [130.03, -3.97], [130.25, -4.5], [130.15, -4.75], [130.25, -5.0], [130.15, -5.25], [130.25, -5.5], [130.03, -6.03], [129.5, -6.25], [129.25, -6.15], [129.0, -6.25], [128.75, -6.15], [128.5, -6.25], [127.97, -6.03], [127.82, -5.68], [127.75, -5.65], [127.5, -5.75], [126.97, -5.53], [126.82, -5.18], [126.75, -5.15], [126.5, -5.25], [126.25, -5.15], [126.18, -5.18], [126.15, -5.25], [126.25, -5.5], [126.03, -6.03], [125.5, -6.25], [125.25, -6.15], [125.18, -6.18], [125.03, -6.53], [124.5, -6.75], [123.97, -6.53], [123.82, -6.18], [123.75, -6.15], [123.68, -6.18], [123.53, -6.53], [123.0, -6.75], [122.47, -6.53], [122.32, -6.18], [122.25, -6.15], [122.18, -6.18], [122.03, -6.53], [121.5, -6.75], [121.25, -6.65], [121.0, -6.75], [120.75, -6.65], [120.5, -6.75], [119.97, -6.53], [119.75, -6.0], [119.97, -5.47], [120.32, -5.32], [120.35, -5.25], [120.25, -5.0]]]]}, "2020-01-07T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[120.47, -5.53], [120.25, -5.0], [120.47, -4.47], [121.0, -4.25], [121.53, -4.47], [121.75, -5.0], [121.53, -5.53], [121.0, -5.75], [120.47, -5.53]]], [[[119.97, -1.97], [120.5, -1.75], [121.0, -1.96], [121.38, -1.8], [121.25, -1.5], [121.47, -0.97], [122.0, -0.75], [122.25, -0.85], [122.5, -0.75], [123.03, -0.97], [123.18, -1.32], [123.5, -1.46], [124.0, -1.25], [124.25, -1.35], [124.5, -1.25], [125.03, -1.47], [125.2, -1.87], [125.5, -1.75], [126.03, -1.97], [126.25, -2.5], [126.15, -2.75], [126.18, -2.82], [126.53, -2.97], [126.75, -3.5], [126.65, -3.75], [126.68, -3.82], [126.75, -3.85], [126.82, -3.82], [126.97, -3.47], [127.5, -3.25], [127.75, -3.35], [128.0, -3.25], [128.25, -3.35], [128.5, -3.25], [129.03, -3.47], [129.18, -3.82], [129.25, -3.85], [129.5, -3.75], [130.03, -3.97], [130.25, -4.5], [130.15, -4.75], [130.25, -5.0], [130.15, -5.25], [130.25, -5.5], [130.15, -5.75], [130.25, -6.0], [130.03, -6.53], [129.5, -6.75], [128.97, -6.53], [128.82, -6.18], [128.75, -6.15], [128.5, -6.25], [127.97, -6.03], [127.82, -5.68], [127.75, -5.65], [127.5, -5.75], [126.97, -5.53], [126.82, -5.18], [126.75, -5.15], [126.5, -5.25], [126.25, -5.15], [126.18, -5.18], [126.03, -5.53], [125.5, -5.75], [125.25, -5.65], [125.0, -5.75], [124.47, -5.53], [124.32, -5.18], [124.25, -5.15], [124.0, -5.25], [123.75, -5.15], [123.5, -5.25], [123.25, -5.15], [123.0, -5.25], [122.47, -5.03], [122.32, -4.68], [121.97, -4.53], [121.75, -4.0], [121.85, -3.75], [121.75, -3.5], [121.85, -3.25], [121.82, -3.18], [121.75, -3.15], [121.5, -3.25], [121.0, -3.04], [120.5, -3.25], [119.97, -3.03], [119.75, -2.5], [119.97, -1.97]]], [[[118.25, -3.0], [118.47, -2.47], [119.0, -2.25], [119.53, -2.47], [119.75, -3.0], [119.53, -3.53], [119.0, -3.75], [118.47, -3.53], [118.25, -3.0]]]]}, "2020-01-08T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[127.97, -4.47], [128.5, -4.25], [128.75, -4.35], [129.0, -4.25], [129.25, -4.35], [129.5, -4.25], [130.03, -4.47], [130.25, -5.0], [130.15, -5.25], [130.25, -5.5], [130.15, -5.75], [130.25, -6.0], [130.03, -6.53], [129.5, -6.75], [128.97, -6.53], [128.82, -6.18], [128.47, -6.03], [128.32, -5.68], [127.97, -5.53], [127.75, -5.0], [127.97, -4.47]]], [[[118.85, -1.75], [118.75, -1.5], [118.97, -0.97], [119.5, -0.75], [119.75, -0.85], [120.0, -0.75], [120.25, -0.85], [120.5, -0.75], [120.75, -0.85], [121.0, -0.75], [121.25, -0.85], [121.5, -0.75], [121.75, -0.85], [121.82, -0.82], [121.97, -0.47], [122.5, -0.25], [123.03, -0.47], [123.25, -1.0], [123.15, -1.25], [123.18, -1.32], [123.5, -1.46], [124.0, -1.25], [124.25, -1.35], [124.5, -1.25], [125.03, -1.47], [125.2, -1.87], [125.5, -1.75], [126.03, -1.97], [126.25, -2.5], [126.15, -2.75], [126.18, -2.82], [126.53, -2.97], [126.75, -3.5], [126.63, -3.8], [126.75, -3.85], [127.0, -3.75], [127.53, -3.97], [127.75, -4.5], [127.53, -5.03], [127.0, -5.25], [126.75, -5.15], [126.5, -5.25], [125.97, -5.03], [125.75, -4.5], [125.88, -4.2], [125.75, -4.15], [125.68, -4.18], [125.53, -4.53], [125.0, -4.75], [124.75, -4.65], [124.5, -4.75], [124.25, -4.65], [124.0, -4.75], [123.75, -4.65], [123.68, -4.68], [123.53, -5.03], [123.0, -5.25], [122.47, -5.03], [122.25, -4.5], [122.35, -4.25], [122.25, -4.0], [122.35, -3.75], [122.32, -3.68], [121.97, -3.53], [121.82, -3.18], [121.75, -3.15], [121.5, -3.25], [121.0, -3.04], [120.5, -3.25], [120.25, -3.15], [120.18, -3.18], [120.03, -3.53], [119.5, -3.75], [119.25, -3.65], [119.0, -3.75], [118.47, -3.53], [118.25, -3.0], [118.47, -2.47], [118.82, -2.32], [118.85, -2.25], [118.75, -2.0], [118.85, -1.75]]]]}, "2020-01-09T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[129.5, -4.75], [130.03, -4.97], [130.25, -5.5], [130.15, -5.75], [130.25, -6.0], [130.03, -6.53], [129.5, -6.75], [128.97, -6.53], [128.75, -6.0], [128.85, -5.75], [128.75, -5.5], [128.97, -4.97], [129.5, -4.75]]], [[[123.47, -1.47], [124.0, -1.25], [124.25, -1.35], [124.5, -1.25], [125.03, -1.47], [125.25, -2.0], [125.07, -2.43], [125.5, -2.25], [126.03, -2.47], [126.25, -3.0], [126.03, -3.53], [125.5, -3.75], [124.97, -3.53], [124.75, -3.0], [124.93, -2.57], [124.5, -2.75], [124.25, -2.65], [124.0, -2.75], [123.47, -2.53], [123.25, -2.0], [123.47, -1.47]]], [[[118.75, -1.5], [118.97, -0.97], [119.5, -0.75], [119.75, -0.85], [120.0, -0.75], [120.25, -0.85], [120.5, -0.75], [120.75, -0.85], [121.0, -0.75], [121.25, -0.85], [121.5, -0.75], [121.75, -0.85], [121.82, -0.82], [121.97, -0.47], [122.5, -0.25], [123.03, -0.47], [123.25, -1.0], [123.03, -1.53], [122.68, -1.68], [122.53, -2.03], [122.13, -2.2], [122.25, -2.5], [122.03, -3.03], [121.5, -3.25], [121.0, -3.04], [120.5, -3.25], [120.25, -3.15], [120.18, -3.18], [120.03, -3.53], [119.5, -3.75], [119.25, -3.65], [119.0, -3.75], [118.47, -3.53], [118.25, -3.0], [118.47, -2.47], [118.82, -2.32], [118.85, -2.25], [118.75, -2.0], [118.85, -1.75], [118.75, -1.5]]]]}, "2020-01-10T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[118.85, -2.25], [118.75, -2.0], [118.85, -1.75], [118.75, -1.5], [118.97, -0.97], [119.5, -0.75], [119.75, -0.85], [120.0, -0.75], [120.25, -0.85], [120.5, -0.75], [120.75, -0.85], [121.0, -0.75], [121.25, -0.85], [121.5, -0.75], [121.75, -0.85], [121.82, -0.82], [121.97, -0.47], [122.5, -0.25], [123.03, -0.47], [123.25, -1.0], [123.03, -1.53], [122.68, -1.68], [122.53, -2.03], [122.13, -2.2], [122.25, -2.5], [122.03, -3.03], [121.5, -3.25], [121.0, -3.04], [120.5, -3.25], [120.25, -3.15], [120.18, -3.18], [120.03, -3.53], [119.5, -3.75], [118.97, -3.53], [118.75, -3.0], [118.85, -2.75], [118.75, -2.5], [118.85, -2.25]]]]}, "2020-01-11T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[121.0, -0.75], [121.25, -0.85], [121.5, -0.75], [121.75, -0.85], [122.0, -0.75], [122.53, -0.97], [122.75, -1.5], [122.53, -2.03], [122.13, -2.2], [122.25, -2.5], [122.03, -3.03], [121.5, -3.25], [120.97, -3.03], [120.8, -2.63], [120.5, -2.75], [119.97, -2.53], [119.75, -2.0], [119.97, -1.47], [120.32, -1.32], [120.47, -0.97], [121.0, -0.75]]]]}}}, "max_amp": {"name": "Maximum anomaly amplitude", "description": "Maximum t2m anomaly recorded over entire duration", "value": 2.6441319700409167}, "mean_amp": {"name": "Mean anomaly amplitude", "description": "Mean t2m anomaly over entire duration", "value": 1.1000190956362326}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [28.11855791396266, 28.298875673582472, 28.49263629489792, 28.247855810723934, 28.42568207512818, 28.327238954855773, 26.902906123906973, 24.508945617194797, 23.2485970945188, 24.14392648165375]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [28.11855791396266, 28.610051393720653, 29.240754406540475, 29.159331259117835, 28.936843367679728, 29.171080928492813, 28.811170003430163, 28.32689123293727, 26.60319412218496, 26.654384202210053]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [0.6556010233395, 0.9313150726714835, 1.121709253468543, 0.9026839571480811, 1.0727735533816998, 1.1657419433196345, 1.1601017278185493, 1.2950475605473566, 1.332460383841995, 1.192307454187653]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [0.6556010233395, 1.161208346613023, 1.5603107420416222, 1.4886387869846658, 1.5498104972484157, 1.6916570553857468, 2.6441319700409167, 1.8926469143036684, 1.7912410996146377, 1.376206215044192]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.2938604219128842, 1.7763795823086583, 1.9914087533529043, 1.632053670809784, 1.9517883275936427, 2.1037147407592087, 1.8383462243201631, 1.739936812404803, 1.7080440423638417, 1.5555761072618897]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [1.2938604219128842, 2.246797153168577, 2.6445479426865544, 2.3264337114253535, 2.79234930212292, 2.8978406670380035, 3.1508224197977808, 2.2736580602333265, 2.2484131537142944, 1.8266959167301116]}}