{"version_information": {"version": "det_AHW_v1.1", "compiled_date": "2026-03-19 18:14:38.679061", "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-Jun-19_to_2020-Jun-21_146.5_-22.5"}, "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": 2020060002569}, "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": "June 19 2020"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "June 21 2020"}, "duration": {"name": "Duration", "description": "Time elapsed (days) from the start date to the end date", "value": 3}, "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": 54319.42963972816}, "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": []}, "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": -22.5}, "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": 146.5}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "146.5\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 145.5}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 148.0}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": -23.0}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": -21.5}, "polygons_merged": {"name": "Merged polygon", "description": "Merger or polygons at each time step", "value": {"type": "Polygon", "coordinates": [[[144.854, -21.75], [144.75, -21.5], [144.97, -20.97], [145.5, -20.75], [146.0, -20.957], [146.5, -20.75], [146.75, -20.854], [147.0, -20.75], [147.53, -20.97], [147.677, -21.323], [148.03, -21.47], [148.177, -21.823], [148.53, -21.97], [148.75, -22.5], [148.646, -22.75], [148.75, -23.0], [148.53, -23.53], [148.0, -23.75], [147.75, -23.646], [147.5, -23.75], [147.25, -23.646], [147.0, -23.75], [146.75, -23.646], [146.5, -23.75], [146.25, -23.646], [146.0, -23.75], [145.47, -23.53], [145.323, -23.177], [144.97, -23.03], [144.75, -22.5], [144.854, -22.25], [144.75, -22.0], [144.854, -21.75]]]}}, "IPCC_regions": {"name": "IPCC regions", "description": "List of all IPCC regions affected", "value": ["C.Australia", "E.Australia"]}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2020-06-19T11:30:00.000000000": {"type": "Polygon", "coordinates": [[[144.85355339059328, -22.25], [144.75, -22.0], [144.85355339059328, -21.75], [144.75, -21.5], [144.96966991411009, -20.96966991411009], [145.5, -20.75], [146.0, -20.957106781186546], [146.5, -20.75], [146.75, -20.853553390593273], [147.0, -20.75], [147.53033008588991, -20.96966991411009], [147.67677669529664, -21.32322330470336], [148.03033008588991, -21.46966991411009], [148.17677669529664, -21.82322330470336], [148.53033008588991, -21.96966991411009], [148.75, -22.5], [148.64644660940672, -22.75], [148.75, -23.0], [148.53033008588991, -23.53033008588991], [148.0, -23.75], [147.75, -23.646446609406727], [147.5, -23.75], [147.25, -23.646446609406727], [147.0, -23.75], [146.75, -23.646446609406727], [146.5, -23.75], [146.25, -23.646446609406727], [146.0, -23.75], [145.46966991411009, -23.53033008588991], [145.32322330470336, -23.17677669529664], [144.96966991411009, -23.03033008588991], [144.75, -22.5], [144.85355339059328, -22.25]]]}, "2020-06-20T11:30:00.000000000": {"type": "Polygon", "coordinates": [[[144.85355339059328, -22.25], [144.75, -22.0], [144.85355339059328, -21.75], [144.75, -21.5], [144.96966991411009, -20.96966991411009], [145.5, -20.75], [146.0, -20.957106781186546], [146.5, -20.75], [146.75, -20.853553390593273], [147.0, -20.75], [147.53033008588991, -20.96966991411009], [147.67677669529664, -21.32322330470336], [148.03033008588991, -21.46966991411009], [148.17677669529664, -21.82322330470336], [148.53033008588991, -21.96966991411009], [148.75, -22.5], [148.64644660940672, -22.75], [148.75, -23.0], [148.53033008588991, -23.53033008588991], [148.0, -23.75], [147.75, -23.646446609406727], [147.5, -23.75], [147.25, -23.646446609406727], [147.0, -23.75], [146.75, -23.646446609406727], [146.5, -23.75], [146.25, -23.646446609406727], [146.0, -23.75], [145.46966991411009, -23.53033008588991], [145.32322330470336, -23.17677669529664], [144.96966991411009, -23.03033008588991], [144.75, -22.5], [144.85355339059328, -22.25]]]}, "2020-06-21T11:30:00.000000000": {"type": "Polygon", "coordinates": [[[144.85355339059328, -22.25], [144.75, -22.0], [144.85355339059328, -21.75], [144.75, -21.5], [144.96966991411009, -20.96966991411009], [145.5, -20.75], [146.0, -20.957106781186546], [146.5, -20.75], [146.75, -20.853553390593273], [147.0, -20.75], [147.53033008588991, -20.96966991411009], [147.67677669529664, -21.32322330470336], [148.03033008588991, -21.46966991411009], [148.17677669529664, -21.82322330470336], [148.53033008588991, -21.96966991411009], [148.75, -22.5], [148.64644660940672, -22.75], [148.75, -23.0], [148.53033008588991, -23.53033008588991], [148.0, -23.75], [147.75, -23.646446609406727], [147.5, -23.75], [147.25, -23.646446609406727], [147.0, -23.75], [146.75, -23.646446609406727], [146.5, -23.75], [146.25, -23.646446609406727], [146.0, -23.75], [145.46966991411009, -23.53033008588991], [145.32322330470336, -23.17677669529664], [144.96966991411009, -23.03033008588991], [144.75, -22.5], [144.85355339059328, -22.25]]]}}}, "max_amp": {"name": "Maximum anomaly amplitude", "description": "Maximum t2m anomaly recorded over entire duration", "value": 4.512233014751246}, "mean_amp": {"name": "Mean anomaly amplitude", "description": "Mean t2m anomaly over entire duration", "value": 3.8115939258279465}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [19.14311832705647, 19.461924610415622, 19.1631092978821]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [20.28864853268277, 20.676225284952864, 20.348052216495944]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [3.7371457165474844, 3.9896879698140784, 3.707948091122277]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [4.285654831225088, 4.512233014751246, 4.0603417171216165]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.3898284113885833, 1.4669021063250174, 1.4072760796465604]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [1.6038839889411989, 1.5899751137440339, 1.5447858569771866]}}