{"version_information": {"version": "det_AHW_v1.1", "compiled_date": "2026-04-05 16:25:35.192384", "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": "2022-Dec-15_to_2022-Dec-22_276.5_14.0"}, "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": 2022120002235}, "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 15 2022"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "December 22 2022"}, "duration": {"name": "Duration", "description": "Time elapsed (days) from the start date to the end date", "value": 8}, "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": 75231.53117329285}, "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": ["Nicaragua"]}, "continents_affected": {"name": "Continents affected", "description": "List of all continents affected", "value": ["America"]}, "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": ["Caribbean 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": 14.0}, "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": 276.5}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "276.5\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 275.0}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 278.0}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": 11.5}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": 15.0}, "polygons_merged": {"name": "Merged polygon", "description": "Merger or polygons at each time step", "value": {"type": "MultiPolygon", "coordinates": [[[[-83.25, 11.5], [-83.47, 10.97], [-84.0, 10.75], [-84.25, 10.85], [-84.5, 10.75], [-85.03, 10.97], [-85.18, 11.32], [-85.53, 11.47], [-85.75, 12.0], [-85.65, 12.25], [-85.75, 12.5], [-85.65, 12.75], [-85.75, 13.0], [-85.53, 13.53], [-85.18, 13.68], [-85.15, 13.75], [-85.25, 14.0], [-85.03, 14.53], [-84.68, 14.68], [-84.53, 15.03], [-84.18, 15.18], [-84.03, 15.53], [-83.5, 15.75], [-82.97, 15.53], [-82.75, 15.0], [-82.85, 14.75], [-82.75, 14.5], [-82.85, 14.25], [-82.82, 14.18], [-82.75, 14.15], [-82.68, 14.18], [-82.53, 14.53], [-82.0, 14.75], [-81.47, 14.53], [-81.25, 14.0], [-81.35, 13.75], [-81.25, 13.5], [-81.47, 12.97], [-82.0, 12.75], [-82.25, 12.85], [-82.5, 12.75], [-82.75, 12.85], [-82.82, 12.82], [-82.97, 12.47], [-83.32, 12.32], [-83.35, 12.25], [-83.25, 12.0], [-83.35, 11.75], [-83.25, 11.5]]]]}}, "IPCC_regions": {"name": "IPCC regions", "description": "List of all IPCC regions affected", "value": ["S.Central-America"]}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2022-12-15T11:30:00.000000000": 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[-83.47000000000003, 10.97], [-84.0, 10.75], [-84.25, 10.85], [-84.5, 10.75], [-85.02999999999997, 10.97], [-85.18, 11.32], [-85.52999999999997, 11.47], [-85.75, 12.0], [-85.64999999999998, 12.25], [-85.75, 12.5]]]]}, "2022-12-17T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-85.75, 12.5], [-85.64999999999998, 12.75], [-85.75, 13.0], [-85.52999999999997, 13.53], [-85.18, 13.68], [-85.14999999999998, 13.75], [-85.25, 14.0], [-85.02999999999997, 14.53], [-84.68, 14.68], [-84.52999999999997, 15.03], [-84.18, 15.18], [-84.02999999999997, 15.53], [-83.5, 15.75], [-82.97000000000003, 15.53], [-82.75, 15.0], [-82.85000000000002, 14.75], [-82.75, 14.5], [-82.85000000000002, 14.25], [-82.75, 14.0], [-82.97000000000003, 13.47], [-83.32, 13.32], [-83.35000000000002, 13.25], [-83.25, 13.0], [-83.35000000000002, 12.75], [-83.25, 12.5], [-83.35000000000002, 12.25], [-83.25, 12.0], [-83.35000000000002, 11.75], [-83.25, 11.5], [-83.47000000000003, 10.97], [-84.0, 10.75], [-84.25, 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25.68056781884104, 25.76170660447724, 25.9883351983907, 26.70020611580202, 27.020323973091024, 27.01206448185536]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [26.452180717562612, 26.591600544564415, 26.769834204506367, 27.264104108352683, 26.20440560693646, 27.10211026392909, 27.224279498513113, 27.160870094352333]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [1.2880225369521554, 1.3055590053339576, 1.3784888794458867, 1.4898785377128458, 1.1049040869540931, 0.90110272898251, 1.2000083096734377, 1.1870680868639576]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [1.2880225369521554, 1.5301138244382173, 1.66108200174358, 2.1307094786131984, 1.1177373373806745, 1.1001500161893318, 1.6134054992291453, 1.569276710561553]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.496431174829505, 1.6359606902117634, 1.68230880651317, 1.7777716256904816, 1.309337747610733, 1.3044279110284092, 1.736474144863703, 1.6659865167307422]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [1.496431174829505, 1.9267545746812167, 2.069317623232346, 2.4317253419127773, 1.3529059858417476, 1.4105396865318927, 2.2924469180692646, 2.1530750406231163]}}