{"version_information": {"version": "det_AHW_v1.1", "compiled_date": "2026-04-05 17:00:47.745896", "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": "2024-Aug-26_to_2024-Aug-28_150.0_-3.5"}, "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": 2024080002609}, "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 26 2024"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "August 28 2024"}, "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": 108072.17178918622}, "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"]}, "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": ["Bismarck Sea", "Pacific 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": -3.5}, "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": 150.0}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "150.0\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 149.0}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 153.0}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": -4.0}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": -1.0}, "polygons_merged": {"name": "Merged polygon", "description": "Merger or polygons at each time step", "value": {"type": "MultiPolygon", "coordinates": [[[[148.82, -1.82], [148.97, -1.47], [149.32, -1.32], [149.47, -0.97], [150.0, -0.75], [150.25, -0.85], [150.5, -0.75], [150.75, -0.85], [150.82, -0.82], [150.97, -0.47], [151.5, -0.25], [152.03, -0.47], [152.18, -0.82], [152.53, -0.97], [152.75, -1.5], [152.65, -1.75], [152.68, -1.82], [152.75, -1.85], [153.0, -1.75], [153.53, -1.97], [153.75, -2.5], [153.53, -3.03], [153.18, -3.18], [153.03, -3.53], [152.5, -3.75], [152.25, -3.65], [152.0, -3.75], [151.75, -3.65], [151.68, -3.68], [151.53, -4.03], [151.18, -4.18], [151.03, -4.53], [150.5, -4.75], [150.25, -4.65], [150.0, -4.75], [149.47, -4.53], [149.32, -4.18], [148.97, -4.03], [148.82, -3.68], [148.47, -3.53], [148.25, -3.0], [148.35, -2.75], [148.25, -2.5], [148.47, -1.97], [148.82, -1.82]]]]}}, "IPCC_regions": {"name": "IPCC regions", "description": "List of all IPCC regions affected", "value": ["Equatorial.Pacific-Ocean"]}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2024-08-26T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[148.25, -2.5], [148.47, -1.97], [148.82, -1.82], [148.97, -1.47], [149.32, -1.32], [149.47, -0.97], [150.0, -0.75], [150.25, -0.85], [150.5, -0.75], [150.75, -0.85], [150.82, -0.82], [150.97, -0.47], [151.5, -0.25], [152.03, -0.47], [152.18, -0.82], [152.53, -0.97], [152.75, -1.5], [152.65, -1.75], [152.68, -1.82], [152.75, -1.85], [153.0, -1.75], [153.53, -1.97], [153.75, -2.5], [153.53, -3.03], [153.18, -3.18], [153.03, -3.53], [152.5, -3.75], [152.25, -3.65], [152.0, -3.75], [151.75, -3.65], [151.68, -3.68], [151.53, -4.03], [151.18, -4.18], [151.03, -4.53], [150.5, -4.75], [150.25, -4.65], [150.0, -4.75], [149.47, -4.53], [149.32, -4.18], [148.97, -4.03], [148.82, -3.68], [148.47, -3.53], [148.25, -3.0], [148.35, -2.75], [148.25, -2.5]]]]}, "2024-08-27T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[148.25, -2.5], [148.47, -1.97], [148.82, -1.82], [148.97, -1.47], [149.32, -1.32], [149.47, -0.97], [150.0, -0.75], [150.25, -0.85], [150.5, -0.75], [150.75, -0.85], [150.82, -0.82], [150.97, -0.47], [151.5, -0.25], [152.03, -0.47], [152.18, -0.82], [152.53, -0.97], [152.75, -1.5], [152.65, -1.75], [152.68, -1.82], [152.75, -1.85], [153.0, -1.75], [153.53, -1.97], [153.75, -2.5], [153.53, -3.03], [153.18, -3.18], [153.03, -3.53], [152.5, -3.75], [152.25, -3.65], [152.0, -3.75], [151.75, -3.65], [151.68, -3.68], [151.53, -4.03], [151.18, -4.18], [151.03, -4.53], [150.5, -4.75], [150.25, -4.65], [150.0, -4.75], [149.47, -4.53], [149.32, -4.18], [148.97, -4.03], [148.82, -3.68], [148.47, -3.53], [148.25, -3.0], [148.35, -2.75], [148.25, -2.5]]]]}, "2024-08-28T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[148.25, -2.5], [148.47, -1.97], [148.82, -1.82], [148.97, -1.47], [149.32, -1.32], [149.47, -0.97], [150.0, -0.75], [150.25, -0.85], [150.5, -0.75], [150.75, -0.85], [150.82, -0.82], [150.97, -0.47], [151.5, -0.25], [152.03, -0.47], [152.18, -0.82], [152.53, -0.97], [152.75, -1.5], [152.65, -1.75], [152.68, -1.82], [152.75, -1.85], [153.0, -1.75], [153.53, -1.97], [153.75, -2.5], [153.53, -3.03], [153.18, -3.18], [153.03, -3.53], [152.5, -3.75], [152.25, -3.65], [152.0, -3.75], [151.75, -3.65], [151.68, -3.68], [151.53, -4.03], [151.18, -4.18], [151.03, -4.53], [150.5, -4.75], [150.25, -4.65], [150.0, -4.75], [149.47, -4.53], [149.32, -4.18], [148.97, -4.03], [148.82, -3.68], [148.47, -3.53], [148.25, -3.0], [148.35, -2.75], [148.25, -2.5]]]]}}}, "max_amp": {"name": "Maximum anomaly amplitude", "description": "Maximum t2m anomaly recorded over entire duration", "value": 2.1542801005730894}, "mean_amp": {"name": "Mean anomaly amplitude", "description": "Mean t2m anomaly over entire duration", "value": 1.4090962507661722}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [27.910225880804774, 28.487101787857796, 28.50305054006583]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [28.18706952591282, 29.005176468362777, 29.123840380114984]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [1.0320469991654135, 1.5912526245757022, 1.6039891285574006]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [1.2521499077350313, 2.059386256965581, 2.1542801005730894]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.6738692890566096, 2.5948286730792978, 2.579773622943622]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [2.043493635433264, 3.4310459819442376, 3.528072386914279]}}