{"version_information": {"version": "det_AHW_tail10.0_v1.1", "compiled_date": "2026-07-16 09:18:26.581191", "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-Oct-30_to_2018-Nov-01_161.0_-11.5"}, "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": 2018100002931}, "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": "October 30 2018"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "November 01 2018"}, "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": 72732.71015571314}, "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": ["Solomon Islands"]}, "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": ["Coral 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": -11.5}, "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": 161.0}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "161.0\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 157.75}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 163.75}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": -12.25}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": -10.75}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2018-10-30T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[157.47, -10.47], [158.0, -10.25], [158.25, -10.35], [158.5, -10.25], [158.75, -10.35], [159.0, -10.25], [159.25, -10.35], [159.5, -10.25], [159.75, -10.35], [160.0, -10.25], [160.25, -10.35], [160.5, -10.25], [160.75, -10.35], [161.0, -10.25], [161.25, -10.35], [161.5, -10.25], [161.75, -10.35], [162.0, -10.25], [162.25, -10.35], [162.5, -10.25], [163.03, -10.47], [163.18, -10.82], [163.53, -10.97], [163.68, -11.32], [164.03, -11.47], [164.25, -12.0], [164.03, -12.53], [163.5, -12.75], [162.97, -12.53], [162.82, -12.18], [162.75, -12.15], [162.5, -12.25], [162.25, -12.15], [162.18, -12.18], [162.03, -12.53], [161.5, -12.75], [161.25, -12.65], [161.0, -12.75], [160.47, -12.53], [160.32, -12.18], [160.25, -12.15], [160.0, -12.25], [159.75, -12.15], [159.5, -12.25], [159.25, -12.15], [159.0, -12.25], [158.75, -12.15], [158.5, -12.25], [158.25, -12.15], [158.0, -12.25], [157.47, -12.03], [157.25, -11.5], [157.35, -11.25], [157.25, -11.0], [157.47, -10.47]]]]}, "2018-10-31T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[157.47, -10.47], [158.0, -10.25], [158.25, -10.35], [158.5, -10.25], [158.75, -10.35], [159.0, -10.25], [159.25, -10.35], [159.5, -10.25], [159.75, -10.35], [160.0, -10.25], [160.25, -10.35], [160.5, -10.25], [160.75, -10.35], [161.0, -10.25], [161.25, -10.35], [161.5, -10.25], [161.75, -10.35], [162.0, -10.25], [162.25, -10.35], [162.5, -10.25], [163.03, -10.47], [163.18, -10.82], [163.53, -10.97], [163.68, -11.32], [164.03, -11.47], [164.25, -12.0], [164.03, -12.53], [163.5, -12.75], [162.97, -12.53], [162.82, -12.18], [162.75, -12.15], [162.5, -12.25], [162.25, -12.15], [162.18, -12.18], [162.03, -12.53], [161.5, -12.75], [161.25, -12.65], [161.0, -12.75], [160.47, -12.53], [160.32, -12.18], [160.25, -12.15], [160.0, -12.25], [159.75, -12.15], [159.5, -12.25], [159.25, -12.15], [159.0, -12.25], [158.75, -12.15], [158.5, -12.25], [158.25, -12.15], [158.0, -12.25], [157.47, -12.03], [157.25, -11.5], [157.35, -11.25], [157.25, -11.0], [157.47, -10.47]]]]}, "2018-11-01T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[157.47, -10.47], [158.0, -10.25], [158.25, -10.35], [158.5, -10.25], [158.75, -10.35], [159.0, -10.25], [159.25, -10.35], [159.5, -10.25], [159.75, -10.35], [160.0, -10.25], [160.25, -10.35], [160.5, -10.25], [160.75, -10.35], [161.0, -10.25], [161.25, -10.35], [161.5, -10.25], [161.75, -10.35], [162.0, -10.25], [162.25, -10.35], [162.5, -10.25], [163.03, -10.47], [163.18, -10.82], [163.53, -10.97], [163.68, -11.32], [164.03, -11.47], [164.25, -12.0], [164.03, -12.53], [163.5, -12.75], [162.97, -12.53], [162.82, -12.18], [162.75, -12.15], [162.5, -12.25], [162.25, -12.15], [162.18, -12.18], [162.03, -12.53], [161.5, -12.75], [161.25, -12.65], [161.0, -12.75], [160.47, -12.53], [160.32, -12.18], [160.25, -12.15], [160.0, -12.25], [159.75, -12.15], [159.5, -12.25], [159.25, -12.15], [159.0, -12.25], [158.75, -12.15], [158.5, -12.25], [158.25, -12.15], [158.0, -12.25], [157.47, -12.03], [157.25, -11.5], [157.35, -11.25], [157.25, -11.0], [157.47, -10.47]]]]}}}, "max_amp": {"name": "Maximum anomaly amplitude", "description": "Maximum t2m anomaly recorded over entire duration", "value": 1.5926874744690167}, "mean_amp": {"name": "Mean anomaly amplitude", "description": "Mean t2m anomaly over entire duration", "value": 1.1106646482961817}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [27.71734083487138, 27.847710638473643, 27.763041758392205]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [27.99171696447047, 28.05455875811674, 28.356964310205626]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [1.0515462582412667, 1.1867944272042716, 1.0936532594430066]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [1.3073242388269932, 1.334039157125119, 1.5926874744690167]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.798649804803965, 2.044554670668194, 1.8935538736035458]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [2.2535854642881437, 2.369019617894551, 2.6674861135701913]}}