{"version_information": {"version": "det_AHW_tail10.0_v1.2", "compiled_date": "2026-06-27 18:21:17.348073", "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-Aug-25_to_2020-Aug-27_146.0_-5.0"}, "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": 2020080002687}, "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": "August 25 2020"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "August 27 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": 55422.988087742866}, "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": ["Papua New Guinea"]}, "IPCC_regions": {"name": "IPCC regions", "description": "List of all IPCC regions affected", "value": ["Equatorial.Pacific-Ocean", "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": ["Bismarck Sea", "Solomon Sea"]}, "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": -5.0}, "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": 146.0}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "146.0\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 144.75}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 147.75}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": -6.75}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": -3.75}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2020-08-25T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[144.47, -4.53], [144.25, -4.0], [144.47, -3.47], [145.0, -3.25], [145.25, -3.35], [145.5, -3.25], [146.0, -3.46], [146.5, -3.25], [146.75, -3.35], [147.0, -3.25], [147.53, -3.47], [147.75, -4.0], [147.65, -4.25], [147.68, -4.32], [148.03, -4.47], [148.25, -5.0], [148.15, -5.25], [148.25, -5.5], [148.15, -5.75], [148.25, -6.0], [148.15, -6.25], [148.25, -6.5], [148.03, -7.03], [147.5, -7.25], [146.97, -7.03], [146.82, -6.68], [146.47, -6.53], [146.32, -6.18], [146.25, -6.15], [146.0, -6.25], [145.47, -6.03], [145.25, -5.5], [145.35, -5.25], [145.25, -5.0], [145.35, -4.75], [145.32, -4.68], [145.25, -4.65], [145.0, -4.75], [144.47, -4.53]]]]}, "2020-08-26T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[144.47, -4.53], [144.25, -4.0], [144.47, -3.47], [145.0, -3.25], [145.25, -3.35], [145.5, -3.25], [146.0, -3.46], [146.5, -3.25], [146.75, -3.35], [147.0, -3.25], [147.53, -3.47], [147.75, -4.0], [147.65, -4.25], [147.68, -4.32], [148.03, -4.47], [148.25, -5.0], [148.15, -5.25], [148.25, -5.5], [148.15, -5.75], [148.25, -6.0], [148.15, -6.25], [148.25, -6.5], [148.03, -7.03], [147.5, -7.25], [146.97, -7.03], [146.82, -6.68], [146.47, -6.53], [146.32, -6.18], [146.25, -6.15], [146.0, -6.25], [145.47, -6.03], [145.25, -5.5], [145.35, -5.25], [145.25, -5.0], [145.35, -4.75], [145.32, -4.68], [145.25, -4.65], [145.0, -4.75], [144.47, -4.53]]]]}, "2020-08-27T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[144.47, -4.53], [144.25, -4.0], [144.47, -3.47], [145.0, -3.25], [145.25, -3.35], [145.5, -3.25], [146.0, -3.46], [146.5, -3.25], [146.75, -3.35], [147.0, -3.25], [147.53, -3.47], [147.75, -4.0], [147.65, -4.25], [147.68, -4.32], [148.03, -4.47], [148.25, -5.0], [148.15, -5.25], [148.25, -5.5], [148.15, -5.75], [148.25, -6.0], [148.15, -6.25], [148.25, -6.5], [148.03, -7.03], [147.5, -7.25], [146.97, -7.03], [146.82, -6.68], [146.47, -6.53], [146.32, -6.18], [146.25, -6.15], [146.0, -6.25], [145.47, -6.03], [145.25, -5.5], [145.35, -5.25], [145.25, -5.0], [145.35, -4.75], [145.32, -4.68], [145.25, -4.65], [145.0, -4.75], [144.47, -4.53]]]]}}}, "max_amp": {"name": "Maximum anomaly amplitude", "description": "Maximum t2m anomaly recorded over entire duration", "value": 1.3920596765041182}, "mean_amp": {"name": "Mean anomaly amplitude", "description": "Mean t2m anomaly over entire duration", "value": 1.0206714025421417}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [26.727019930200925, 26.753185225849904, 26.817429631856953]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [28.293964967596764, 28.252549620983757, 28.40628338761104]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [0.9758842308229355, 1.0094247063816921, 1.0767052704217974]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [1.2779602161297134, 1.2340727516159973, 1.3920596765041182]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.7002788085485359, 1.7719356090502036, 1.873616386016688]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [2.0558871947000195, 2.370468355096815, 2.629999407143492]}}