{"version_information": {"version": "det_AHW_v1.1", "compiled_date": "2026-03-19 18:23:08.453257", "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-Mar-10_to_2021-Mar-14_151.5_-2.5"}, "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": 2021030001979}, "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": "March 10 2021"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "March 14 2021"}, "duration": {"name": "Duration", "description": "Time elapsed (days) from the start date to the end date", "value": 5}, "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": 58690.350576156256}, "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": -2.5}, "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": 151.5}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "151.5\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 150.0}, "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": -3.0}, "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": "Polygon", "coordinates": [[[149.25, -2.0], [149.354, -1.75], [149.25, -1.5], [149.47, -0.97], [150.0, -0.75], [150.25, -0.854], [150.5, -0.75], [150.75, -0.854], [150.823, -0.823], [150.97, -0.47], [151.5, -0.25], [151.75, -0.354], [152.0, -0.25], [152.53, -0.47], [152.75, -1.0], [152.646, -1.25], [152.75, -1.5], [152.646, -1.75], [152.75, -2.0], [152.53, -2.53], [152.177, -2.677], [152.03, -3.03], [151.677, -3.177], [151.53, -3.53], [151.0, -3.75], [150.75, -3.646], [150.5, -3.75], [150.25, -3.646], [150.0, -3.75], [149.47, -3.53], [149.25, -3.0], [149.354, -2.75], [149.25, -2.5], [149.354, -2.25], [149.25, -2.0]]]}}, "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": {"2021-03-10T11:30:00.000000000": {"type": "Polygon", "coordinates": [[[149.85355339059328, -1.75], [149.75, -1.5], [149.96966991411009, -0.9696699141100894], [150.5, -0.75], [150.75, -0.853553390593273], [150.82322330470336, -0.8232233047033631], 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[28.591453108151825, 28.54993981701972, 28.902838517366604, 28.418254798850114, 28.460911313146028]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [1.0521642485203002, 0.9768306342295764, 1.1251371650176518, 0.9100719784544078, 0.9458423492974646]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [1.1489820106385196, 1.0736443021101536, 1.5915069579704095, 1.16642923073357, 1.1537372972127287]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.7377401503330376, 1.6003763758543712, 1.884844079529923, 1.5273904087248273, 1.5926477407348743]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [1.9570295962989517, 1.7863229263677678, 2.693566783156022, 1.8764362069239446, 1.9332655052102532]}}