{"version_information": {"version": "det_AHW_v1.1", "compiled_date": "2026-03-19 18:23:54.689944", "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": "2021-Apr-15_to_2021-Apr-18_111.0_-27.5"}, "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": 2021040002236}, "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": "April 15 2021"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "April 18 2021"}, "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": 226038.3323574541}, "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": ["Australia"]}, "continents_affected": {"name": "Continents affected", "description": "List of all continents affected", "value": ["Oceania"]}, "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": ["Indian 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": -27.5}, "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": 111.0}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "111.0\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 108.5}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 113.5}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": -29.5}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": -21.0}, "polygons_merged": {"name": "Merged polygon", "description": "Merger or polygons at each time step", "value": {"type": "Polygon", "coordinates": [[[108.75, -27.354], [109.0, -27.25], [109.25, -27.354], [109.323, -27.323], [109.47, -26.97], [109.823, -26.823], [109.854, -26.75], [109.75, -26.5], [109.97, -25.97], [110.5, -25.75], [110.75, -25.854], [111.0, -25.75], [111.25, -25.854], [111.323, -25.823], [111.47, -25.47], [111.823, -25.323], [111.854, -25.25], [111.823, -25.177], [111.751, -25.146], [111.75, -25.146], [111.5, -25.25], [111.25, -25.146], [111.0, -25.25], [110.47, -25.03], [110.323, -24.677], [109.97, -24.53], [109.823, -24.177], [109.75, -24.146], [109.5, -24.25], [109.25, -24.146], [109.0, -24.25], [108.47, -24.03], [108.323, -23.677], [107.97, -23.53], [107.75, -23.0], [107.97, -22.47], [108.5, -22.25], [108.75, -22.354], [108.823, -22.323], [108.854, -22.25], [108.75, -22.0], [108.854, -21.75], [108.75, -21.5], [108.97, -20.97], [109.323, -20.823], [109.47, -20.47], [110.0, -20.25], [110.25, -20.354], [110.5, -20.25], [110.75, -20.354], [111.0, -20.25], [111.53, -20.47], [111.75, -21.0], [111.646, -21.25], [111.75, -21.5], [111.646, -21.75], [111.677, -21.823], [112.03, -21.97], [112.25, -22.5], [112.146, -22.75], [112.25, -23.0], [112.146, -23.25], [112.177, -23.323], [112.25, -23.354], [112.5, -23.25], [113.03, -23.47], [113.25, -24.0], [113.146, -24.25], [113.25, -24.5], [113.146, -24.75], [113.177, -24.823], [113.53, -24.97], [113.75, -25.5], [113.646, -25.75], [113.75, -26.0], [113.646, -26.25], [113.677, -26.323], [114.03, -26.47], [114.25, -27.0], [114.03, -27.53], [113.5, -27.75], [112.97, -27.53], [112.823, -27.177], [112.75, -27.146], [112.677, -27.177], [112.646, -27.25], [112.75, -27.5], [112.646, -27.75], [112.75, -28.0], [112.646, -28.25], [112.75, -28.5], [112.53, -29.03], [112.0, -29.25], [111.75, -29.146], [111.5, -29.25], [111.198, -29.125], [111.03, -29.53], [110.677, -29.677], [110.53, -30.03], [110.0, -30.25], [109.75, -30.146], [109.5, -30.25], [108.97, -30.03], [108.823, -29.677], [108.47, -29.53], [108.323, -29.177], [107.97, -29.03], [107.75, -28.5], [107.854, -28.25], [107.75, -28.0], [107.97, -27.47], [108.5, -27.25], [108.75, -27.354]]]}}, "IPCC_regions": {"name": "IPCC regions", "description": "List of all IPCC regions affected", "value": ["C.Australia", "S.Australia", "S.Indian-Ocean"]}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2021-04-15T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[107.75, -28.0], [107.96966991411009, -27.46966991411009], [108.5, -27.25], [108.75, -27.353553390593273], [109.0, -27.25], [109.25, -27.353553390593273], [109.5, -27.25], [109.75, -27.353553390593273], [109.82322330470336, -27.32322330470336], [109.96966991411009, -26.96966991411009], [110.5, -26.75], [110.75, -26.853553390593273], [111.0, -26.75], [111.53033008588991, -26.96966991411009], [111.75, -27.5], [111.53033008588991, -28.03033008588991], [111.125, -28.19822330470336], [111.25, -28.5], [111.14644660940672, -28.75], [111.25, -29.0], [111.03033008588991, -29.53033008588991], [110.67677669529664, -29.67677669529664], [110.53033008588991, -30.03033008588991], [110.0, -30.25], [109.75, -30.146446609406727], [109.5, -30.25], [108.96966991411009, -30.03033008588991], [108.82322330470336, -29.67677669529664], [108.46966991411009, -29.53033008588991], [108.32322330470336, -29.17677669529664], [107.96966991411009, -29.03033008588991], [107.75, -28.5], [107.85355339059328, -28.25], [107.75, -28.0]]], [[[107.96966991411009, -23.53033008588991], [107.75, -23.0], [107.96966991411009, -22.46966991411009], [108.5, -22.25], [108.75, -22.353553390593273], [108.82322330470336, -22.32322330470336], [108.85355339059328, -22.25], [108.75, -22.0], [108.85355339059328, -21.75], [108.75, -21.5], [108.96966991411009, -20.96966991411009], [109.32322330470336, -20.82322330470336], [109.46966991411009, -20.46966991411009], [110.0, -20.25], [110.25, -20.353553390593273], [110.5, -20.25], [110.75, -20.353553390593273], [111.0, -20.25], [111.53033008588991, -20.46966991411009], [111.75, -21.0], [111.64644660940672, -21.25], [111.75, -21.5], [111.64644660940672, -21.75], [111.67677669529664, -21.82322330470336], [112.03033008588991, -21.96966991411009], [112.25, -22.5], [112.14644660940672, -22.75], [112.25, -23.0], [112.14644660940672, -23.25], [112.17677669529664, -23.32322330470336], [112.25, -23.353553390593273], [112.5, -23.25], [113.03033008588991, -23.46966991411009], [113.25, -24.0], [113.14644660940672, -24.25], [113.25, -24.5], [113.03033008588991, -25.03033008588991], [112.5, -25.25], [112.25, -25.146446609406727], [112.0, -25.25], [111.75, -25.146446609406727], [111.5, -25.25], [111.25, -25.146446609406727], [111.0, -25.25], [110.46966991411009, -25.03033008588991], [110.32322330470336, -24.67677669529664], [109.96966991411009, -24.53033008588991], [109.82322330470336, -24.17677669529664], [109.75, -24.146446609406727], [109.5, -24.25], [109.25, -24.146446609406727], [109.0, -24.25], [108.46966991411009, -24.03033008588991], [108.32322330470336, -23.67677669529664], [107.96966991411009, -23.53033008588991]]]]}, "2021-04-16T11:30:00.000000000": {"type": "Polygon", "coordinates": [[[107.85355339059328, -28.25], [107.75, -28.0], [107.96966991411009, -27.46966991411009], [108.5, -27.25], [108.75, -27.353553390593273], [109.0, -27.25], [109.25, -27.353553390593273], [109.32322330470336, -27.32322330470336], [109.46966991411009, -26.96966991411009], [109.82322330470336, -26.82322330470336], [109.85355339059328, -26.75], [109.75, -26.5], [109.96966991411009, -25.96966991411009], [110.5, -25.75], [110.75, -25.853553390593273], [111.0, -25.75], [111.25, -25.853553390593273], [111.32322330470336, -25.82322330470336], [111.46966991411009, -25.46966991411009], [111.82322330470336, -25.32322330470336], [111.85355339059328, -25.25], [111.82322330470336, -25.17677669529664], [111.75, -25.146446609406727], [111.5, -25.25], [111.25, -25.146446609406727], [111.0, -25.25], [110.46966991411009, -25.03033008588991], [110.32322330470336, -24.67677669529664], [109.96966991411009, -24.53033008588991], [109.82322330470336, -24.17677669529664], [109.75, -24.146446609406727], [109.5, -24.25], [109.25, -24.146446609406727], [109.0, -24.25], [108.46966991411009, -24.03033008588991], [108.32322330470336, -23.67677669529664], [107.96966991411009, -23.53033008588991], [107.75, -23.0], [107.96966991411009, -22.46966991411009], [108.5, -22.25], [108.75, -22.353553390593273], [108.82322330470336, -22.32322330470336], [108.85355339059328, -22.25], [108.75, -22.0], [108.85355339059328, -21.75], [108.75, -21.5], [108.96966991411009, -20.96966991411009], [109.32322330470336, -20.82322330470336], [109.46966991411009, -20.46966991411009], [110.0, -20.25], [110.25, -20.353553390593273], [110.5, -20.25], [110.75, -20.353553390593273], [111.0, -20.25], [111.53033008588991, -20.46966991411009], [111.75, -21.0], [111.64644660940672, -21.25], [111.75, -21.5], [111.64644660940672, -21.75], [111.67677669529664, -21.82322330470336], [112.03033008588991, -21.96966991411009], [112.25, -22.5], [112.14644660940672, -22.75], [112.25, -23.0], [112.14644660940672, -23.25], [112.17677669529664, -23.32322330470336], [112.25, -23.353553390593273], [112.5, -23.25], [113.03033008588991, -23.46966991411009], [113.25, -24.0], [113.14644660940672, -24.25], [113.25, -24.5], [113.14644660940672, -24.75], [113.17677669529664, -24.82322330470336], [113.53033008588991, -24.96966991411009], [113.75, -25.5], [113.64644660940672, -25.75], [113.75, -26.0], [113.64644660940672, -26.25], [113.67677669529664, -26.32322330470336], [114.03033008588991, -26.46966991411009], [114.25, -27.0], [114.03033008588991, -27.53033008588991], [113.5, -27.75], [112.96966991411009, -27.53033008588991], [112.82322330470336, -27.17677669529664], [112.75, -27.146446609406727], [112.67677669529664, -27.17677669529664], [112.64644660940672, -27.25], [112.75, -27.5], [112.64644660940672, -27.75], [112.75, -28.0], [112.64644660940672, -28.25], [112.75, -28.5], [112.53033008588991, -29.03033008588991], [112.0, -29.25], [111.75, -29.146446609406727], [111.5, -29.25], [111.19822330470336, -29.125], [111.03033008588991, -29.53033008588991], [110.67677669529664, -29.67677669529664], [110.53033008588991, -30.03033008588991], [110.0, -30.25], [109.75, -30.146446609406727], [109.5, -30.25], [108.96966991411009, -30.03033008588991], [108.82322330470336, -29.67677669529664], [108.46966991411009, -29.53033008588991], [108.32322330470336, -29.17677669529664], [107.96966991411009, -29.03033008588991], [107.75, -28.5], [107.85355339059328, -28.25]]]}, "2021-04-17T11:30:00.000000000": {"type": "Polygon", "coordinates": [[[107.85355339059328, -28.25], [107.75, -28.0], [107.96966991411009, -27.46966991411009], [108.5, -27.25], [108.75, -27.353553390593273], [109.0, -27.25], [109.25, -27.353553390593273], [109.32322330470336, -27.32322330470336], [109.46966991411009, -26.96966991411009], [109.82322330470336, -26.82322330470336], [109.85355339059328, -26.75], [109.75, -26.5], [109.96966991411009, -25.96966991411009], [110.5, -25.75], [110.75, -25.853553390593273], [111.0, -25.75], [111.25, -25.853553390593273], [111.32322330470336, -25.82322330470336], [111.46966991411009, -25.46966991411009], [111.82322330470336, -25.32322330470336], [111.85355339059328, -25.25], [111.82322330470336, -25.17677669529664], [111.75, -25.146446609406727], [111.5, -25.25], [111.25, -25.146446609406727], [111.0, -25.25], [110.46966991411009, -25.03033008588991], [110.32322330470336, -24.67677669529664], [109.96966991411009, -24.53033008588991], [109.82322330470336, -24.17677669529664], [109.75, -24.146446609406727], [109.5, -24.25], [109.25, -24.146446609406727], [109.0, -24.25], [108.46966991411009, -24.03033008588991], [108.32322330470336, -23.67677669529664], [107.96966991411009, -23.53033008588991], [107.75, -23.0], [107.96966991411009, -22.46966991411009], [108.5, -22.25], [108.75, -22.353553390593273], [108.82322330470336, -22.32322330470336], [108.85355339059328, -22.25], [108.75, -22.0], [108.85355339059328, -21.75], [108.75, -21.5], [108.96966991411009, -20.96966991411009], [109.32322330470336, -20.82322330470336], [109.46966991411009, -20.46966991411009], [110.0, -20.25], [110.25, -20.353553390593273], [110.5, -20.25], [110.75, -20.353553390593273], [111.0, -20.25], [111.53033008588991, -20.46966991411009], [111.75, -21.0], [111.64644660940672, -21.25], [111.75, -21.5], [111.64644660940672, -21.75], [111.67677669529664, -21.82322330470336], [112.03033008588991, -21.96966991411009], [112.25, -22.5], [112.14644660940672, -22.75], [112.25, -23.0], [112.14644660940672, -23.25], [112.17677669529664, -23.32322330470336], [112.25, -23.353553390593273], [112.5, -23.25], [113.03033008588991, -23.46966991411009], [113.25, -24.0], [113.14644660940672, -24.25], [113.25, -24.5], [113.14644660940672, -24.75], [113.17677669529664, -24.82322330470336], [113.53033008588991, -24.96966991411009], [113.75, -25.5], [113.64644660940672, -25.75], [113.75, -26.0], [113.64644660940672, -26.25], [113.67677669529664, -26.32322330470336], [114.03033008588991, -26.46966991411009], [114.25, -27.0], [114.03033008588991, -27.53033008588991], [113.5, -27.75], [112.96966991411009, -27.53033008588991], [112.82322330470336, -27.17677669529664], [112.75, -27.146446609406727], [112.67677669529664, -27.17677669529664], [112.64644660940672, -27.25], [112.75, -27.5], [112.64644660940672, -27.75], [112.75, -28.0], [112.64644660940672, -28.25], [112.75, -28.5], [112.53033008588991, -29.03033008588991], [112.0, -29.25], [111.75, -29.146446609406727], [111.5, -29.25], [111.19822330470336, -29.125], [111.03033008588991, -29.53033008588991], [110.67677669529664, -29.67677669529664], [110.53033008588991, -30.03033008588991], [110.0, -30.25], [109.75, -30.146446609406727], [109.5, -30.25], [108.96966991411009, -30.03033008588991], [108.82322330470336, -29.67677669529664], [108.46966991411009, -29.53033008588991], [108.32322330470336, -29.17677669529664], [107.96966991411009, -29.03033008588991], [107.75, -28.5], [107.85355339059328, -28.25]]]}, "2021-04-18T11:30:00.000000000": {"type": "Polygon", "coordinates": [[[109.35355339059328, -21.25], [109.25, -21.0], [109.46966991411009, -20.46966991411009], [110.0, -20.25], [110.25, -20.353553390593273], [110.5, -20.25], [110.75, -20.353553390593273], [111.0, -20.25], [111.53033008588991, -20.46966991411009], [111.75, -21.0], [111.53033008588991, -21.53033008588991], [111.17677669529664, -21.67677669529664], [111.14644660940672, -21.75], [111.25, -22.0], [111.14644660940672, -22.25], [111.25, -22.5], [111.14644660940672, -22.75], [111.25, -23.0], [111.125, -23.30177669529664], [111.53033008588991, -23.46966991411009], [111.67677669529664, -23.82322330470336], [111.80177669529664, -23.875], [111.96966991411009, -23.46966991411009], [112.5, -23.25], [113.03033008588991, -23.46966991411009], [113.25, -24.0], [113.14644660940672, -24.25], [113.25, -24.5], [113.14644660940672, -24.75], [113.17677669529664, -24.82322330470336], [113.53033008588991, -24.96966991411009], [113.75, -25.5], [113.64644660940672, -25.75], [113.75, -26.0], [113.64644660940672, -26.25], [113.67677669529664, -26.32322330470336], [114.03033008588991, -26.46966991411009], [114.25, -27.0], [114.03033008588991, -27.53033008588991], [113.5, -27.75], [112.96966991411009, -27.53033008588991], [112.82322330470336, -27.17677669529664], [112.75, -27.146446609406727], [112.67677669529664, -27.17677669529664], [112.64644660940672, -27.25], [112.75, -27.5], [112.64644660940672, -27.75], [112.75, -28.0], [112.64644660940672, -28.25], [112.75, -28.5], [112.53033008588991, -29.03033008588991], [112.0, -29.25], [111.75, -29.146446609406727], [111.5, -29.25], [111.0, -29.042893218813454], [110.5, -29.25], [109.96966991411009, -29.03033008588991], [109.75, -28.5], [109.85355339059328, -28.25], [109.82322330470336, -28.17677669529664], [109.46966991411009, -28.03033008588991], [109.25, -27.5], [109.46966991411009, -26.96966991411009], [109.82322330470336, -26.82322330470336], [109.85355339059328, -26.75], [109.75, -26.5], [109.96966991411009, -25.96966991411009], [110.5, -25.75], [110.75, -25.853553390593273], [111.0, -25.75], [111.25, -25.853553390593273], [111.32322330470336, -25.82322330470336], [111.46966991411009, -25.46966991411009], [111.82322330470336, -25.32322330470336], [111.85355339059328, -25.25], [111.80177669529664, -25.125], [111.5, -25.25], [111.25, -25.146446609406727], [111.0, -25.25], [110.46966991411009, -25.03033008588991], [110.25, -24.5], [110.35355339059328, -24.25], [110.25, -24.0], [110.375, -23.69822330470336], [109.96966991411009, -23.53033008588991], [109.75, -23.0], [109.85355339059328, -22.75], [109.75, -22.5], [109.85355339059328, -22.25], [109.82322330470336, -22.17677669529664], [109.46966991411009, -22.03033008588991], [109.25, -21.5], [109.35355339059328, -21.25]]]}}}, "max_amp": {"name": "Maximum anomaly amplitude", "description": "Maximum t2m anomaly recorded over entire duration", "value": 2.976500956052405}, "mean_amp": {"name": "Mean anomaly amplitude", "description": "Mean t2m anomaly over entire duration", "value": 1.9434787530827955}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [25.276916547418523, 25.508785209817177, 25.436985060380096, 25.094160855094515]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [27.257529721458468, 27.450488208931517, 27.86230305779719, 27.044316777367555]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [1.6088017828243901, 2.120034350565719, 2.0930539019970693, 1.7527797746551594]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [2.144822583839016, 2.741632353345665, 2.976500956052405, 2.2561549878616347]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.4602429540560222, 1.9547723541988649, 1.9616675127089627, 1.5682849073456928]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [1.7028012032067976, 2.4920062789727204, 2.724635772250207, 1.9692323577795297]}}