{"version_information": {"version": "det_AHW_v1.1", "compiled_date": "2026-04-05 16:58:30.118582", "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-Apr-07_to_2024-Apr-09_150.0_-0.5"}, "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": 2024040001166}, "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 07 2024"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "April 09 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": 83444.27380971586}, "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": ["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": -0.5}, "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": 152.0}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": -2.0}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": 0.5}, "polygons_merged": {"name": "Merged polygon", "description": "Merger or polygons at each time step", "value": {"type": "MultiPolygon", "coordinates": [[[[148.25, -1.0], [148.47, -0.47], [149.0, -0.25], [149.25, -0.35], [149.32, -0.32], [149.35, -0.25], [149.25, 0.0], [149.35, 0.25], [149.25, 0.5], [149.47, 1.03], [150.0, 1.25], [150.25, 1.15], [150.5, 1.25], [150.75, 1.15], [151.0, 1.25], [151.25, 1.15], [151.5, 1.25], [152.03, 1.03], [152.25, 0.5], [152.15, 0.25], [152.18, 0.18], [152.53, 0.03], [152.75, -0.5], [152.65, -0.75], [152.75, -1.0], [152.65, -1.25], [152.75, -1.5], [152.53, -2.03], [152.18, -2.18], [152.03, -2.53], [151.5, -2.75], [150.97, -2.53], [150.75, -2.0], [150.85, -1.75], [150.82, -1.68], [150.75, -1.65], [150.68, -1.68], [150.53, -2.03], [150.18, -2.18], [150.03, -2.53], [149.5, -2.75], [149.25, -2.65], [149.0, -2.75], [148.47, -2.53], [148.25, -2.0], [148.35, -1.75], [148.25, -1.5], [148.35, -1.25], [148.25, -1.0]]]]}}, "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": {"2024-04-07T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[148.25, -1.5], [148.35, -1.25], [148.25, -1.0], [148.47, -0.47], [149.0, -0.25], [149.25, -0.35], [149.32, -0.32], [149.35, -0.25], [149.25, 0.0], [149.35, 0.25], [149.25, 0.5], [149.47, 1.03], [150.0, 1.25], [150.25, 1.15], [150.5, 1.25], [150.75, 1.15], [151.0, 1.25], [151.25, 1.15], [151.5, 1.25], [152.03, 1.03], [152.25, 0.5], [152.15, 0.25], [152.18, 0.18], [152.53, 0.03], [152.75, -0.5], [152.65, -0.75], [152.75, -1.0], [152.65, -1.25], [152.75, -1.5], [152.53, -2.03], [152.18, -2.18], [152.03, -2.53], [151.5, -2.75], [150.97, -2.53], [150.75, -2.0], [150.85, -1.75], [150.82, -1.68], [150.75, -1.65], [150.68, -1.68], [150.53, -2.03], [150.18, -2.18], [150.03, -2.53], [149.5, -2.75], [149.25, -2.65], [149.0, -2.75], [148.47, -2.53], [148.25, -2.0], [148.35, -1.75], [148.25, -1.5]]]]}, "2024-04-08T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[148.25, -1.5], [148.35, -1.25], [148.25, -1.0], [148.47, -0.47], [149.0, -0.25], [149.25, -0.35], [149.32, -0.32], [149.35, -0.25], [149.25, 0.0], [149.35, 0.25], [149.25, 0.5], [149.47, 1.03], [150.0, 1.25], [150.25, 1.15], [150.5, 1.25], [150.75, 1.15], [151.0, 1.25], [151.25, 1.15], [151.5, 1.25], [152.03, 1.03], [152.25, 0.5], [152.15, 0.25], [152.18, 0.18], [152.53, 0.03], [152.75, -0.5], [152.65, -0.75], [152.75, -1.0], [152.65, -1.25], [152.75, -1.5], [152.53, -2.03], [152.18, -2.18], [152.03, -2.53], [151.5, -2.75], [150.97, -2.53], [150.75, -2.0], [150.85, -1.75], [150.82, -1.68], [150.75, -1.65], [150.68, -1.68], [150.53, -2.03], [150.18, -2.18], [150.03, -2.53], [149.5, -2.75], [149.25, -2.65], [149.0, -2.75], [148.47, -2.53], [148.25, -2.0], [148.35, -1.75], [148.25, -1.5]]]]}, "2024-04-09T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[148.25, -1.5], [148.35, -1.25], [148.25, -1.0], [148.47, -0.47], [149.0, -0.25], [149.25, -0.35], [149.32, -0.32], [149.35, -0.25], [149.25, 0.0], [149.35, 0.25], [149.25, 0.5], [149.47, 1.03], [150.0, 1.25], [150.25, 1.15], [150.5, 1.25], [150.75, 1.15], [151.0, 1.25], [151.25, 1.15], [151.5, 1.25], [152.03, 1.03], [152.25, 0.5], [152.15, 0.25], [152.18, 0.18], [152.53, 0.03], [152.75, -0.5], [152.65, -0.75], [152.75, -1.0], [152.65, -1.25], [152.75, -1.5], [152.53, -2.03], [152.18, -2.18], [152.03, -2.53], [151.5, -2.75], [150.97, -2.53], [150.75, -2.0], [150.85, -1.75], [150.82, -1.68], [150.75, -1.65], [150.68, -1.68], [150.53, -2.03], [150.18, -2.18], [150.03, -2.53], [149.5, -2.75], [149.25, -2.65], [149.0, -2.75], [148.47, -2.53], [148.25, -2.0], [148.35, -1.75], [148.25, -1.5]]]]}}}, "max_amp": {"name": "Maximum anomaly amplitude", "description": "Maximum t2m anomaly recorded over entire duration", "value": 1.8138232342956258}, "mean_amp": {"name": "Mean anomaly amplitude", "description": "Mean t2m anomaly over entire duration", "value": 1.122104358337369}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [28.49269148249448, 28.21732656482999, 28.377348812487355]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [29.06246886557875, 28.65874462371295, 28.808925296642087]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [1.2644935684608978, 0.9844107851288847, 1.1174087214223252]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [1.8138232342956258, 1.4161586586463955, 1.574559167911218]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [2.181700185360625, 1.67141718233155, 1.8875529139747922]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [3.161140468523372, 2.400018858027094, 2.72111111868008]}}