{"version_information": {"version": "det_AHW_tail10.0_v1.2", "compiled_date": "2026-06-27 18:22:36.958797", "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": "2020-Dec-04_to_2020-Dec-08_276.0_12.5"}, "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": 2020120001554}, "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 04 2020"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "December 08 2020"}, "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": 60182.80148518395}, "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": ["Honduras", "Nicaragua"]}, "IPCC_regions": {"name": "IPCC regions", "description": "List of all IPCC regions affected", "value": ["S.Central-America"]}, "continents_affected": {"name": "Continents affected", "description": "List of all continents affected", "value": ["North 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": 12.5}, "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": 276.0}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "276.0\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 274.25}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 278.25}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": 11.75}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": 14.75}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2020-12-04T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-85.04, 13.5], [-85.25, 14.0], [-85.03, 14.53], [-84.5, 14.75], [-83.97, 14.53], [-83.82, 14.18], [-83.47, 14.03], [-83.25, 13.5], [-83.35, 13.25], [-83.25, 13.0], [-83.35, 12.75], [-83.25, 12.5], [-83.35, 12.25], [-83.25, 12.0], [-83.47, 11.47], [-84.0, 11.25], [-84.53, 11.47], [-84.68, 11.82], [-85.03, 11.97], [-85.25, 12.5], [-85.15, 12.75], [-85.25, 13.0], [-85.04, 13.5]]]]}, "2020-12-05T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-86.25, 13.0], [-86.03, 13.53], [-85.5, 13.75], [-86.03, 13.97], [-86.25, 14.5], [-86.03, 15.03], [-85.5, 15.25], [-85.25, 15.15], [-85.0, 15.25], [-84.47, 15.03], [-84.32, 14.68], [-84.25, 14.65], [-84.0, 14.75], [-83.75, 14.65], [-83.5, 14.75], [-82.97, 14.53], [-82.82, 14.18], [-82.75, 14.15], [-82.5, 14.25], [-81.97, 14.03], [-81.75, 13.5], [-81.97, 12.97], [-82.5, 12.75], [-82.75, 12.85], [-83.0, 12.75], [-83.3, 12.88], [-83.35, 12.75], [-83.25, 12.5], [-83.35, 12.25], [-83.25, 12.0], [-83.47, 11.47], [-84.0, 11.25], [-84.25, 11.35], [-84.5, 11.25], [-84.75, 11.35], [-85.0, 11.25], [-85.53, 11.47], [-85.75, 12.0], [-85.65, 12.25], [-85.68, 12.32], [-86.03, 12.47], [-86.25, 13.0]], [[-85.2, 13.62], [-85.15, 13.75], [-85.18, 13.82], [-85.25, 13.85], [-85.5, 13.75], [-85.2, 13.62]]]]}, "2020-12-06T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-86.25, 13.0], [-86.03, 13.53], [-85.5, 13.75], [-86.03, 13.97], [-86.25, 14.5], [-86.03, 15.03], [-85.5, 15.25], [-85.25, 15.15], [-85.0, 15.25], [-84.47, 15.03], [-84.32, 14.68], [-84.25, 14.65], [-84.0, 14.75], [-83.75, 14.65], [-83.5, 14.75], [-82.97, 14.53], [-82.82, 14.18], [-82.75, 14.15], [-82.5, 14.25], [-82.25, 14.15], [-82.0, 14.25], [-81.47, 14.03], [-81.25, 13.5], [-81.35, 13.25], [-81.25, 13.0], [-81.47, 12.47], [-82.0, 12.25], [-82.53, 12.47], [-82.68, 12.82], [-82.75, 12.85], [-83.0, 12.75], [-83.3, 12.88], [-83.35, 12.75], [-83.25, 12.5], [-83.35, 12.25], [-83.25, 12.0], [-83.47, 11.47], [-84.0, 11.25], [-84.25, 11.35], [-84.5, 11.25], [-84.75, 11.35], [-85.0, 11.25], [-85.53, 11.47], [-85.75, 12.0], [-85.65, 12.25], [-85.68, 12.32], [-86.03, 12.47], [-86.25, 13.0]], [[-85.2, 13.62], [-85.15, 13.75], [-85.18, 13.82], [-85.25, 13.85], [-85.5, 13.75], [-85.2, 13.62]]]]}, "2020-12-07T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-86.25, 13.0], [-86.03, 13.53], [-85.5, 13.75], [-86.03, 13.97], [-86.25, 14.5], [-86.03, 15.03], [-85.5, 15.25], [-85.25, 15.15], [-85.0, 15.25], [-84.47, 15.03], [-84.32, 14.68], [-84.25, 14.65], [-84.0, 14.75], [-83.75, 14.65], [-83.5, 14.75], [-82.97, 14.53], [-82.82, 14.18], [-82.75, 14.15], [-82.5, 14.25], [-82.25, 14.15], [-82.0, 14.25], [-81.47, 14.03], [-81.25, 13.5], [-81.35, 13.25], [-81.25, 13.0], [-81.47, 12.47], [-82.0, 12.25], [-82.53, 12.47], [-82.68, 12.82], [-82.75, 12.85], [-83.0, 12.75], [-83.3, 12.88], [-83.35, 12.75], [-83.25, 12.5], [-83.35, 12.25], [-83.25, 12.0], [-83.47, 11.47], [-84.0, 11.25], [-84.25, 11.35], [-84.5, 11.25], [-84.75, 11.35], [-85.0, 11.25], [-85.53, 11.47], [-85.75, 12.0], [-85.65, 12.25], [-85.68, 12.32], [-86.03, 12.47], [-86.25, 13.0]], [[-85.2, 13.62], [-85.15, 13.75], [-85.18, 13.82], [-85.25, 13.85], [-85.5, 13.75], [-85.2, 13.62]]]]}, "2020-12-08T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-85.18, 13.18], [-85.03, 13.53], [-84.5, 13.75], [-84.25, 13.65], [-84.0, 13.75], [-83.47, 13.53], [-83.25, 13.0], [-83.35, 12.75], [-83.25, 12.5], [-83.35, 12.25], [-83.25, 12.0], [-83.47, 11.47], [-84.0, 11.25], [-84.25, 11.35], [-84.5, 11.25], [-84.75, 11.35], [-85.0, 11.25], [-85.53, 11.47], [-85.75, 12.0], [-85.65, 12.25], [-85.75, 12.5], [-85.53, 13.03], [-85.18, 13.18]]], [[[-82.0, 14.25], [-81.47, 14.03], [-81.25, 13.5], [-81.35, 13.25], [-81.25, 13.0], [-81.47, 12.47], [-82.0, 12.25], [-82.53, 12.47], [-82.75, 13.0], [-82.65, 13.25], [-82.75, 13.5], [-82.53, 14.03], [-82.0, 14.25]]]]}}}, "max_amp": {"name": "Maximum anomaly amplitude", "description": "Maximum t2m anomaly recorded over entire duration", "value": 1.6470628742970348}, "mean_amp": {"name": "Mean anomaly amplitude", "description": "Mean t2m anomaly over entire duration", "value": 1.090851496872771}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [25.59130643375113, 25.667723232203628, 25.6428027654822, 25.720990415858637, 25.85663535148609]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [25.962175382274665, 27.257723473459862, 27.373675227079218, 27.4878983421699, 27.39594806966096]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [0.9571290120085223, 1.2134567487247934, 1.0086639936467094, 1.1091220474096815, 1.0916016883224073]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [1.0877630654328527, 1.6470628742970348, 1.2383785281909354, 1.5136520159891802, 1.3662427202351637]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.496648923921364, 1.8089359342618012, 1.5104516538137152, 1.6101704683186076, 1.6321756362305302]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [1.709965334421285, 2.1115981625164237, 1.9184716543728788, 2.1489984127480426, 1.998900934534618]}}