{"version_information": {"version": "det_AHW_tail10.0_v1.1", "compiled_date": "2026-07-16 09:18:25.254568", "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": "2018-Oct-25_to_2018-Oct-28_114.0_-79.0"}, "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": 2018100002575}, "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": "October 25 2018"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "October 28 2018"}, "duration": {"name": "Duration", "description": "Time elapsed (days) from the start date to the end date", "value": 4}, "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": 76852.2650912787}, "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": ["Antarctica"]}, "IPCC_regions": {"name": "IPCC regions", "description": "List of all IPCC regions affected", "value": ["E.Antarctica"]}, "continents_affected": {"name": "Continents affected", "description": "List of all continents affected", "value": ["Antarctica"]}, "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": -79.0}, "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": 114.0}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "114.0\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 97.25}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 127.25}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": -80.75}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": -77.25}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2018-10-25T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[113.47, -79.53], [113.25, -79.0], [113.47, -78.47], [114.0, -78.25], [114.25, -78.35], [114.5, -78.25], [115.03, -78.47], [115.25, -79.0], [115.03, -79.53], [114.5, -79.75], [114.25, -79.65], [114.0, -79.75], [113.47, -79.53]]]]}, "2018-10-26T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[96.97, -80.53], [96.75, -80.0], [96.97, -79.47], [97.5, -79.25], [97.75, -79.35], [98.0, -79.25], [98.25, -79.35], [98.5, -79.25], [98.75, -79.35], [99.0, -79.25], [99.25, -79.35], [99.5, -79.25], [99.75, -79.35], [100.0, -79.25], [100.25, -79.35], [100.5, -79.25], [100.75, -79.35], [100.82, -79.32], [100.97, -78.97], [101.5, -78.75], [101.75, -78.85], [102.0, -78.75], [102.25, -78.85], [102.5, -78.75], [102.75, -78.85], [103.0, -78.75], [103.25, -78.85], [103.5, -78.75], [103.75, -78.85], [104.0, -78.75], [104.25, -78.85], [104.5, -78.75], [104.75, -78.85], [104.82, -78.82], [104.97, -78.47], [105.5, -78.25], [105.75, -78.35], [106.0, -78.25], [106.25, -78.35], [106.5, -78.25], [106.75, -78.35], [107.0, -78.25], [107.25, -78.35], [107.5, -78.25], [107.75, -78.35], [108.0, -78.25], [108.25, -78.35], [108.5, -78.25], [108.75, -78.35], [108.82, -78.32], [108.97, -77.97], [109.5, -77.75], [109.75, -77.85], [110.0, -77.75], [110.25, -77.85], [110.5, -77.75], [110.75, -77.85], [110.82, -77.82], [110.97, -77.47], [111.5, -77.25], [111.75, -77.35], [112.0, -77.25], [112.25, -77.35], [112.5, -77.25], [112.75, -77.35], [113.0, -77.25], [113.25, -77.35], [113.5, -77.25], [113.75, -77.35], [114.0, -77.25], [114.25, -77.35], [114.5, -77.25], [114.75, -77.35], [115.0, -77.25], [115.25, -77.35], [115.5, -77.25], [115.75, -77.35], [116.0, -77.25], [116.25, -77.35], [116.5, -77.25], [116.75, -77.35], [117.0, -77.25], [117.25, -77.35], [117.5, -77.25], [117.75, -77.35], [118.0, -77.25], [118.25, -77.35], [118.5, -77.25], [118.75, -77.35], [119.0, -77.25], [119.25, -77.35], [119.5, -77.25], [119.75, -77.35], [120.0, -77.25], [120.25, -77.35], [120.5, -77.25], [120.75, -77.35], [121.0, -77.25], [121.25, -77.35], [121.5, -77.25], [121.75, -77.35], [122.0, -77.25], [122.25, -77.35], [122.5, -77.25], [122.75, -77.35], [123.0, -77.25], [123.25, -77.35], [123.5, -77.25], [123.75, -77.35], [123.82, -77.32], [123.97, -76.97], [124.5, -76.75], [124.75, -76.85], [125.0, -76.75], [125.25, -76.85], [125.5, -76.75], [125.75, -76.85], [126.0, -76.75], [126.25, -76.85], [126.5, -76.75], [126.75, -76.85], [127.0, -76.75], [127.53, -76.97], [127.75, -77.5], [127.53, -78.03], [127.0, -78.25], [126.75, -78.15], [126.5, -78.25], [126.25, -78.15], [126.0, -78.25], [125.75, -78.15], [125.5, -78.25], [125.25, -78.15], [125.0, -78.25], [124.75, -78.15], [124.68, -78.18], [124.53, -78.53], [124.0, -78.75], [123.75, -78.65], [123.5, -78.75], [123.25, -78.65], [123.0, -78.75], [122.75, -78.65], [122.5, -78.75], [122.25, -78.65], [122.0, -78.75], [121.75, -78.65], [121.5, -78.75], [121.25, -78.65], [121.18, -78.68], [121.03, -79.03], [120.5, -79.25], [120.25, -79.15], [120.0, -79.25], [119.75, -79.15], [119.5, -79.25], [119.25, -79.15], [119.0, -79.25], [118.75, -79.15], [118.5, -79.25], [118.25, -79.15], [118.0, -79.25], [117.75, -79.15], [117.5, -79.25], [117.25, -79.15], [117.18, -79.18], [117.03, -79.53], [116.5, -79.75], [116.25, -79.65], [116.0, -79.75], [115.75, -79.65], [115.5, -79.75], [115.25, -79.65], [115.0, -79.75], [114.75, -79.65], [114.5, -79.75], [114.25, -79.65], [114.0, -79.75], [113.75, -79.65], [113.68, -79.68], [113.53, -80.03], [113.0, -80.25], [112.75, -80.15], [112.5, -80.25], [112.25, -80.15], [112.0, -80.25], [111.75, -80.15], [111.5, -80.25], [111.25, -80.15], [111.0, -80.25], [110.75, -80.15], [110.5, -80.25], [110.25, -80.15], [110.0, -80.25], [109.75, -80.15], [109.5, -80.25], [109.25, -80.15], [109.0, -80.25], [108.75, -80.15], [108.68, -80.18], [108.53, -80.53], [108.0, -80.75], [107.75, -80.65], [107.5, -80.75], [107.25, -80.65], [107.0, -80.75], [106.75, -80.65], [106.5, -80.75], [106.25, -80.65], [106.0, -80.75], [105.75, -80.65], [105.5, -80.75], [105.25, -80.65], [105.0, -80.75], [104.75, -80.65], [104.5, -80.75], [104.25, -80.65], [104.0, -80.75], [103.75, -80.65], [103.5, -80.75], [103.25, -80.65], [103.0, -80.75], [102.75, -80.65], [102.5, -80.75], [102.25, -80.65], [102.0, -80.75], [101.75, -80.65], [101.68, -80.68], [101.53, -81.03], [101.0, -81.25], [100.75, -81.15], [100.5, -81.25], [100.25, -81.15], [100.0, -81.25], [99.75, -81.15], [99.5, -81.25], [99.25, -81.15], [99.0, -81.25], [98.75, -81.15], [98.5, -81.25], [97.97, -81.03], [97.82, -80.68], [97.75, -80.65], [97.5, -80.75], [96.97, -80.53]]]]}, "2018-10-27T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[96.97, -80.53], [96.75, -80.0], [96.97, -79.47], [97.5, -79.25], [97.75, -79.35], [98.0, -79.25], [98.25, -79.35], [98.5, -79.25], [98.75, -79.35], [99.0, -79.25], [99.25, -79.35], [99.5, -79.25], [99.75, -79.35], [100.0, -79.25], [100.25, -79.35], [100.5, -79.25], [100.75, -79.35], [100.82, -79.32], [100.97, -78.97], [101.5, -78.75], [101.75, -78.85], [102.0, -78.75], [102.25, -78.85], [102.5, -78.75], [102.75, -78.85], [103.0, -78.75], [103.25, -78.85], [103.5, -78.75], [103.75, -78.85], [104.0, -78.75], [104.25, -78.85], [104.5, -78.75], [104.75, -78.85], [104.82, -78.82], [104.97, -78.47], [105.5, -78.25], [105.75, -78.35], [106.0, -78.25], [106.25, -78.35], [106.5, -78.25], [106.75, -78.35], [107.0, -78.25], [107.25, -78.35], [107.5, -78.25], [107.75, -78.35], [108.0, -78.25], [108.25, -78.35], [108.5, -78.25], [108.75, -78.35], [108.82, -78.32], [108.97, -77.97], [109.5, -77.75], [109.75, -77.85], [110.0, -77.75], [110.25, -77.85], [110.5, -77.75], [110.75, -77.85], [110.82, -77.82], [110.97, -77.47], [111.5, -77.25], [111.75, -77.35], [112.0, -77.25], [112.25, -77.35], [112.5, -77.25], [112.75, -77.35], [113.0, -77.25], [113.25, -77.35], [113.5, -77.25], [113.75, -77.35], [114.0, -77.25], [114.25, -77.35], [114.5, -77.25], [114.75, -77.35], [115.0, -77.25], [115.25, -77.35], [115.5, -77.25], [115.75, -77.35], [116.0, -77.25], [116.25, -77.35], [116.5, -77.25], [116.75, -77.35], [117.0, -77.25], [117.25, -77.35], [117.5, -77.25], [117.75, -77.35], [118.0, -77.25], [118.25, -77.35], [118.5, -77.25], [118.75, -77.35], [119.0, -77.25], [119.25, -77.35], [119.5, -77.25], [119.75, -77.35], [120.0, -77.25], [120.25, -77.35], [120.5, -77.25], [120.75, -77.35], [121.0, -77.25], [121.25, -77.35], [121.5, -77.25], [121.75, -77.35], [122.0, -77.25], [122.25, -77.35], [122.5, -77.25], [122.75, -77.35], [123.0, -77.25], [123.25, -77.35], [123.5, -77.25], [123.75, -77.35], [123.82, -77.32], [123.97, -76.97], [124.5, -76.75], [124.75, -76.85], [125.0, -76.75], [125.25, -76.85], [125.5, -76.75], [125.75, -76.85], [126.0, -76.75], [126.25, -76.85], [126.5, -76.75], [126.75, -76.85], [127.0, -76.75], [127.53, -76.97], [127.75, -77.5], [127.53, -78.03], [127.0, -78.25], [126.75, -78.15], [126.5, -78.25], [126.25, -78.15], [126.0, -78.25], [125.75, -78.15], [125.5, -78.25], [125.25, -78.15], [125.0, -78.25], [124.75, -78.15], [124.68, -78.18], [124.53, -78.53], [124.0, -78.75], [123.75, -78.65], [123.5, -78.75], [123.25, -78.65], [123.0, -78.75], [122.75, -78.65], [122.5, -78.75], [122.25, -78.65], [122.0, -78.75], [121.75, -78.65], [121.5, -78.75], [121.25, -78.65], [121.18, -78.68], [121.03, -79.03], [120.5, -79.25], [120.25, -79.15], [120.0, -79.25], [119.75, -79.15], [119.5, -79.25], [119.25, -79.15], [119.0, -79.25], [118.75, -79.15], [118.5, -79.25], [118.25, -79.15], [118.0, -79.25], [117.75, -79.15], [117.5, -79.25], [117.25, -79.15], [117.18, -79.18], [117.03, -79.53], [116.5, -79.75], [116.25, -79.65], [116.0, -79.75], [115.75, -79.65], [115.5, -79.75], [115.25, -79.65], [115.0, -79.75], [114.75, -79.65], [114.5, -79.75], [114.25, -79.65], [114.0, -79.75], [113.75, -79.65], [113.68, -79.68], [113.53, -80.03], [113.0, -80.25], [112.75, -80.15], [112.5, -80.25], [112.25, -80.15], [112.0, -80.25], [111.75, -80.15], [111.5, -80.25], [111.25, -80.15], [111.0, -80.25], [110.75, -80.15], [110.5, -80.25], [110.25, -80.15], [110.0, -80.25], [109.75, -80.15], [109.5, -80.25], [109.25, -80.15], [109.0, -80.25], [108.75, -80.15], [108.68, -80.18], [108.53, -80.53], [108.0, -80.75], [107.75, -80.65], [107.5, -80.75], [107.25, -80.65], [107.0, -80.75], [106.75, -80.65], [106.5, -80.75], [106.25, -80.65], [106.0, -80.75], [105.75, -80.65], [105.5, -80.75], [105.25, -80.65], [105.0, -80.75], [104.75, -80.65], [104.5, -80.75], [104.25, -80.65], [104.0, -80.75], [103.75, -80.65], [103.5, -80.75], [103.25, -80.65], [103.0, -80.75], [102.75, -80.65], [102.5, -80.75], [102.25, -80.65], [102.0, -80.75], [101.75, -80.65], [101.68, -80.68], [101.53, -81.03], [101.0, -81.25], [100.75, -81.15], [100.5, -81.25], [100.25, -81.15], [100.0, -81.25], [99.75, -81.15], [99.5, -81.25], [99.25, -81.15], [99.0, -81.25], [98.75, -81.15], [98.5, -81.25], [97.97, -81.03], [97.82, -80.68], [97.75, -80.65], [97.5, -80.75], [96.97, -80.53]]]]}, "2018-10-28T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[96.97, -80.53], [96.75, -80.0], [96.97, -79.47], [97.5, -79.25], [97.75, -79.35], [98.0, -79.25], [98.25, -79.35], [98.5, -79.25], [98.75, -79.35], [99.0, -79.25], [99.25, -79.35], [99.5, -79.25], [99.75, -79.35], [100.0, -79.25], [100.25, -79.35], [100.5, -79.25], [100.75, -79.35], [100.82, -79.32], [100.97, -78.97], [101.5, -78.75], [101.75, -78.85], [102.0, -78.75], [102.25, -78.85], [102.5, -78.75], [102.75, -78.85], [103.0, -78.75], [103.25, -78.85], [103.5, -78.75], [103.75, -78.85], [104.0, -78.75], [104.25, -78.85], [104.5, -78.75], [104.75, -78.85], [104.82, -78.82], [104.97, -78.47], [105.5, -78.25], [105.75, -78.35], [106.0, -78.25], [106.25, -78.35], [106.5, -78.25], [106.75, -78.35], [107.0, -78.25], [107.25, -78.35], [107.5, -78.25], [107.75, -78.35], [108.0, -78.25], [108.25, -78.35], [108.5, -78.25], [108.75, -78.35], [108.82, -78.32], [108.97, -77.97], [109.5, -77.75], [109.75, -77.85], [110.0, -77.75], [110.25, -77.85], [110.5, -77.75], [110.75, -77.85], [110.82, -77.82], [110.97, -77.47], [111.5, -77.25], [111.75, -77.35], [112.0, -77.25], [112.25, -77.35], [112.5, -77.25], [112.75, -77.35], [113.0, -77.25], [113.25, -77.35], [113.5, -77.25], [113.75, -77.35], [114.0, -77.25], [114.25, -77.35], [114.5, -77.25], [114.75, -77.35], [115.0, -77.25], [115.25, -77.35], [115.5, -77.25], [115.75, -77.35], [116.0, -77.25], [116.25, -77.35], [116.5, -77.25], [116.75, -77.35], [117.0, -77.25], [117.25, -77.35], [117.5, -77.25], [117.75, -77.35], [118.0, -77.25], [118.25, -77.35], [118.5, -77.25], [118.75, -77.35], [119.0, -77.25], [119.25, -77.35], [119.5, -77.25], [119.75, -77.35], [120.0, -77.25], [120.25, -77.35], [120.5, -77.25], [120.75, -77.35], [121.0, -77.25], [121.25, -77.35], [121.5, -77.25], [121.75, -77.35], [122.0, -77.25], [122.25, -77.35], [122.5, -77.25], [122.75, -77.35], [123.0, -77.25], [123.25, -77.35], [123.5, -77.25], [123.75, -77.35], [123.82, -77.32], [123.97, -76.97], [124.5, -76.75], [124.75, -76.85], [125.0, -76.75], [125.25, -76.85], [125.5, -76.75], [125.75, -76.85], [126.0, -76.75], [126.25, -76.85], [126.5, -76.75], [126.75, -76.85], [127.0, -76.75], [127.53, -76.97], [127.75, -77.5], [127.53, -78.03], [127.0, -78.25], [126.75, -78.15], [126.5, -78.25], [126.25, -78.15], [126.0, -78.25], [125.75, -78.15], [125.5, -78.25], [125.25, -78.15], [125.0, -78.25], [124.75, -78.15], [124.68, -78.18], [124.53, -78.53], [124.0, -78.75], [123.75, -78.65], [123.5, -78.75], [123.25, -78.65], [123.0, -78.75], [122.75, -78.65], [122.5, -78.75], [122.25, -78.65], [122.0, -78.75], [121.75, -78.65], [121.5, -78.75], [121.25, -78.65], [121.18, -78.68], [121.03, -79.03], [120.5, -79.25], [120.25, -79.15], [120.0, -79.25], [119.75, -79.15], [119.5, -79.25], [119.25, -79.15], [119.0, -79.25], [118.75, -79.15], [118.5, -79.25], [118.25, -79.15], [118.0, -79.25], [117.75, -79.15], [117.5, -79.25], [117.25, -79.15], [117.18, -79.18], [117.03, -79.53], [116.5, -79.75], [116.25, -79.65], [116.0, -79.75], [115.75, -79.65], [115.5, -79.75], [115.25, -79.65], [115.0, -79.75], [114.75, -79.65], [114.5, -79.75], [114.25, -79.65], [114.0, -79.75], [113.75, -79.65], [113.68, -79.68], [113.53, -80.03], [113.0, -80.25], [112.75, -80.15], [112.5, -80.25], [112.25, -80.15], [112.0, -80.25], [111.75, -80.15], [111.5, -80.25], [111.25, -80.15], [111.0, -80.25], [110.75, -80.15], [110.5, -80.25], [110.25, -80.15], [110.0, -80.25], [109.75, -80.15], [109.5, -80.25], [109.25, -80.15], [109.0, -80.25], [108.75, -80.15], [108.68, -80.18], [108.53, -80.53], [108.0, -80.75], [107.75, -80.65], [107.5, -80.75], [107.25, -80.65], [107.0, -80.75], [106.75, -80.65], [106.5, -80.75], [106.25, -80.65], [106.0, -80.75], [105.75, -80.65], [105.5, -80.75], [105.25, -80.65], [105.0, -80.75], [104.75, -80.65], [104.5, -80.75], [104.25, -80.65], [104.0, -80.75], [103.75, -80.65], [103.5, -80.75], [103.25, -80.65], [103.0, -80.75], [102.75, -80.65], [102.5, -80.75], [102.25, -80.65], [102.0, -80.75], [101.75, -80.65], [101.68, -80.68], [101.53, -81.03], [101.0, -81.25], [100.75, -81.15], [100.5, -81.25], [100.25, -81.15], [100.0, -81.25], [99.75, -81.15], [99.5, -81.25], [99.25, -81.15], [99.0, -81.25], [98.75, -81.15], [98.5, -81.25], [97.97, -81.03], [97.82, -80.68], [97.75, -80.65], [97.5, -80.75], [96.97, -80.53]]]]}}}, "max_amp": {"name": "Maximum anomaly amplitude", "description": "Maximum t2m anomaly recorded over entire duration", "value": 7.495783829794618}, "mean_amp": {"name": "Mean anomaly amplitude", "description": "Mean t2m anomaly over entire duration", "value": 6.030926208820437}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [-44.532080995286805, -42.76812461025773, -42.79579578107604, -43.32815917757944]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [-44.500403151877464, -41.43165336658822, -40.40232534238933, -42.21166978889153]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [4.366793401909945, 6.566062080349402, 6.269501889558656, 5.282816699736481]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [4.409191740043269, 7.495783829794618, 6.968488636622425, 5.968636640517985]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.1800239171880407, 1.7312832216871448, 1.7000685040720998, 1.413142092697497]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [1.1886069428468486, 1.9399351606951039, 2.061663108563827, 1.6082252256464005]}}