{"version_information": {"version": "det_AHW_tail10.0_v1.1", "compiled_date": "2026-07-16 09:21:07.724399", "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": "2019-Dec-16_to_2019-Dec-20_156.0_-5.0"}, "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": 2019120001854}, "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 16 2019"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "December 20 2019"}, "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": 70801.69571794991}, "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"]}, "IPCC_regions": {"name": "IPCC regions", "description": "List of all IPCC regions affected", "value": ["Equatorial.Pacific-Ocean"]}, "continents_affected": {"name": "Continents affected", "description": "List of all continents affected", "value": ["Asia"]}, "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": ["Solomon Sea", "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": -5.0}, "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": 156.0}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "156.0\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 154.25}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 158.25}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": -6.75}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": -3.75}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2019-12-16T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[155.5, -5.25], [156.03, -5.47], [156.25, -6.0], [156.03, -6.53], [155.5, -6.75], [154.97, -6.53], [154.75, -6.0], [154.97, -5.47], [155.5, -5.25]]]]}, "2019-12-17T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[153.97, -4.47], [154.5, -4.25], [154.75, -4.35], [154.82, -4.32], [154.97, -3.97], [155.32, -3.82], [155.47, -3.47], [156.0, -3.25], [156.53, -3.47], [156.75, -4.0], [156.65, -4.25], [156.75, -4.5], [156.65, -4.75], [156.75, -5.0], [156.65, -5.25], [156.75, -5.5], [156.65, -5.75], [156.75, -6.0], [156.53, -6.53], [156.18, -6.68], [156.03, -7.03], [155.5, -7.25], [154.97, -7.03], [154.75, -6.5], [154.85, -6.25], [154.82, -6.18], [154.75, -6.15], [154.5, -6.25], [153.97, -6.03], [153.75, -5.5], [153.85, -5.25], [153.75, -5.0], [153.97, -4.47]]]]}, "2019-12-18T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[153.97, -4.47], [154.5, -4.25], [154.75, -4.35], [154.82, -4.32], [154.97, -3.97], [155.32, -3.82], [155.47, -3.47], [156.0, -3.25], [156.53, -3.47], [156.68, -3.82], [157.03, -3.97], [157.18, -4.32], [157.25, -4.35], [157.32, -4.32], [157.47, -3.97], [158.0, -3.75], [158.53, -3.97], [158.75, -4.5], [158.65, -4.75], [158.75, -5.0], [158.65, -5.25], [158.75, -5.5], [158.53, -6.03], [158.0, -6.25], [157.75, -6.15], [157.5, -6.25], [157.25, -6.15], [157.0, -6.25], [156.7, -6.13], [156.53, -6.53], [156.18, -6.68], [156.03, -7.03], [155.5, -7.25], [154.97, -7.03], [154.75, -6.5], [154.85, -6.25], [154.82, -6.18], [154.75, -6.15], [154.5, -6.25], [153.97, -6.03], [153.75, -5.5], [153.85, -5.25], [153.75, -5.0], [153.97, -4.47]]]]}, "2019-12-19T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[153.97, -4.47], [154.5, -4.25], [154.75, -4.35], [154.82, -4.32], [154.97, -3.97], [155.32, -3.82], [155.47, -3.47], [156.0, -3.25], [156.53, -3.47], [156.68, -3.82], [157.03, -3.97], [157.18, -4.32], [157.25, -4.35], [157.32, -4.32], [157.47, -3.97], [158.0, -3.75], [158.53, -3.97], [158.75, -4.5], [158.65, -4.75], [158.75, -5.0], [158.65, -5.25], [158.75, -5.5], [158.53, -6.03], 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"description": "Maximum t2m anomaly recorded over entire duration", "value": 1.4590844945231538}, "mean_amp": {"name": "Mean anomaly amplitude", "description": "Mean t2m anomaly over entire duration", "value": 1.011148288969891}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [27.273013218608696, 27.946654238076007, 28.40380345465212, 28.22764183065476, 28.39331690389872]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [27.273013218608696, 28.6134344660112, 28.95905981549646, 28.75599171069564, 28.594211037742696]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [0.6761122745224384, 0.8707948842518078, 1.180372438428519, 0.9958352000194529, 0.8984236788619145]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of 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