{"version_information": {"version": "det_AHW_tail10.0_v1.1", "compiled_date": "2026-07-16 09:18:49.086689", "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": "2018-Dec-17_to_2018-Dec-22_187.0_-13.5"}, "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": 2018120002195}, "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": "December 17 2018"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "December 22 2018"}, "duration": {"name": "Duration", "description": "Time elapsed (days) from the start date to the end date", "value": 6}, "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": 68995.80558796675}, "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": ["Samoa"]}, "IPCC_regions": {"name": "IPCC regions", "description": "List of all IPCC regions affected", "value": ["S.Pacific-Ocean"]}, "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": ["South 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": -13.5}, "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": 187.0}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "187.0\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 184.25}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 188.75}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": -15.25}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": -12.25}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2018-12-17T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-173.5, -13.25], [-173.25, -13.35], [-173.0, -13.25], 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-15.15], [-173.5, -15.25], [-173.75, -15.15], [-174.0, -15.25], [-174.53, -15.03], [-174.75, -14.5], [-174.53, -13.97], [-174.18, -13.82], [-174.15, -13.75], [-174.25, -13.5]]]]}, "2018-12-19T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-174.53, -13.97], [-174.18, -13.82], [-174.15, -13.75], [-174.25, -13.5], [-174.03, -12.97], [-173.5, -12.75], [-173.25, -12.85], [-173.18, -12.82], [-173.15, -12.75], [-173.25, -12.5], [-173.03, -11.97], [-172.5, -11.75], [-172.25, -11.85], [-172.0, -11.75], [-171.75, -11.85], [-171.5, -11.75], [-170.97, -11.97], [-170.75, -12.5], [-170.97, -13.03], [-171.32, -13.18], [-171.35, -13.25], [-171.25, -13.5], [-171.46, -14.0], [-171.25, -14.5], [-171.47, -15.03], [-172.0, -15.25], [-172.25, -15.15], [-172.5, -15.25], [-172.75, -15.15], [-173.0, -15.25], [-173.25, -15.15], [-173.32, -15.18], [-173.47, -15.53], [-174.0, -15.75], [-174.53, -15.53], [-174.75, -15.0], [-174.65, -14.75], [-174.75, -14.5], [-174.53, -13.97]]]]}, 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