{"version_information": {"version": "det_AHW_v1.1", "compiled_date": "2026-04-05 16:13:58.615867", "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": "2021-Sep-24_to_2021-Sep-30_276.0_16.5"}, "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": 2021090002700}, "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": "September 24 2021"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "September 30 2021"}, "duration": {"name": "Duration", "description": "Time elapsed (days) from the start date to the end date", "value": 7}, "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": 233171.03806150757}, "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": ["Jamaica"]}, "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": 16.5}, "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": 275.0}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 285.0}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": 15.5}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": 19.0}, "polygons_merged": {"name": "Merged polygon", "description": "Merger or polygons at each time step", "value": {"type": "MultiPolygon", "coordinates": [[[[-79.0, 18.25], [-78.75, 18.15], [-78.5, 18.25], [-78.25, 18.15], [-78.18, 18.18], [-78.03, 18.53], [-77.5, 18.75], [-77.25, 18.65], [-77.0, 18.75], [-76.75, 18.65], [-76.68, 18.68], [-76.53, 19.03], [-76.0, 19.25], [-75.75, 19.15], [-75.5, 19.25], [-74.97, 19.03], [-74.82, 18.68], [-74.47, 18.53], [-74.25, 18.0], [-74.35, 17.75], [-74.25, 17.5], [-74.47, 16.97], [-75.0, 16.75], [-75.25, 16.85], [-75.5, 16.75], [-75.75, 16.85], [-75.82, 16.82], [-75.97, 16.47], [-76.5, 16.25], [-76.75, 16.35], [-77.0, 16.25], [-77.25, 16.35], [-77.5, 16.25], [-78.0, 16.46], [-78.11, 16.41], [-78.32, 16.32], [-78.47, 15.97], [-79.0, 15.75], [-79.25, 15.85], [-79.32, 15.82], [-79.47, 15.47], [-80.0, 15.25], [-80.25, 15.35], [-80.5, 15.25], [-80.75, 15.35], [-81.0, 15.25], [-81.53, 15.47], [-81.68, 15.82], [-81.75, 15.85], [-82.0, 15.75], [-82.25, 15.85], [-82.32, 15.82], [-82.47, 15.47], [-82.82, 15.32], [-82.97, 14.97], [-83.5, 14.75], [-84.03, 14.97], [-84.18, 15.32], [-84.25, 15.35], [-84.5, 15.25], [-85.03, 15.47], [-85.18, 15.82], [-85.53, 15.97], [-85.75, 16.5], [-85.54, 17.0], [-85.75, 17.5], [-85.53, 18.03], [-85.0, 18.25], [-84.75, 18.15], [-84.68, 18.18], [-84.53, 18.53], [-84.0, 18.75], [-83.75, 18.65], [-83.68, 18.68], [-83.53, 19.03], [-83.0, 19.25], [-82.75, 19.15], [-82.68, 19.18], [-82.53, 19.53], [-82.0, 19.75], [-81.47, 19.53], [-81.32, 19.18], [-81.25, 19.15], [-81.0, 19.25], [-80.47, 19.03], [-80.32, 18.68], [-79.97, 18.53], [-79.82, 18.18], [-79.75, 18.15], [-79.5, 18.25], [-79.25, 18.15], [-79.0, 18.25]]]]}}, "IPCC_regions": {"name": "IPCC regions", "description": "List of all IPCC regions affected", "value": ["S.Central-America", "Caribbean"]}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2021-09-24T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-79.0, 16.25], [-79.52999999999997, 16.47], [-79.75, 17.0], [-79.52999999999997, 17.53], [-79.0, 17.75], [-78.47000000000003, 17.53], [-78.25, 17.0], [-78.47000000000003, 16.47], [-79.0, 16.25]]], [[[-75.0, 16.75], [-75.52999999999997, 16.97], [-75.75, 17.5], [-75.52999999999997, 18.03], [-75.0, 18.25], [-74.47000000000003, 18.03], [-74.25, 17.5], [-74.47000000000003, 16.97], [-75.0, 16.75]]]]}, "2021-09-25T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-85.0, 16.75], [-85.52999999999997, 16.97], [-85.75, 17.5], [-85.52999999999997, 18.03], [-85.0, 18.25], [-84.75, 18.15], [-84.68, 18.18], [-84.52999999999997, 18.53], [-84.0, 18.75], [-83.75, 18.65], [-83.68, 18.68], [-83.52999999999997, 19.03], [-83.0, 19.25], [-82.75, 19.15], [-82.68, 19.18], [-82.52999999999997, 19.53], [-82.0, 19.75], [-81.47000000000003, 19.53], [-81.32, 19.18], [-81.25, 19.15], [-81.0, 19.25], [-80.47000000000003, 19.03], [-80.32, 18.68], [-79.97000000000003, 18.53], [-79.82, 18.18], [-79.75, 18.15], [-79.5, 18.25], [-79.25, 18.15], [-79.0, 18.25], [-78.75, 18.15], [-78.5, 18.25], [-78.25, 18.15], [-78.18, 18.18], [-78.02999999999997, 18.53], [-77.5, 18.75], [-77.25, 18.65], [-77.0, 18.75], [-76.69999999999999, 18.62], [-76.52999999999997, 19.03], [-76.0, 19.25], [-75.75, 19.15], [-75.5, 19.25], [-74.97000000000003, 19.03], [-74.82, 18.68], [-74.47000000000003, 18.53], [-74.25, 18.0], [-74.35000000000002, 17.75], [-74.25, 17.5], [-74.47000000000003, 16.97], [-75.0, 16.75], [-75.25, 16.85], [-75.5, 16.75], [-75.75, 16.85], [-75.82, 16.82], [-75.97000000000003, 16.47], [-76.5, 16.25], [-76.75, 16.35], [-77.0, 16.25], [-77.25, 16.35], [-77.5, 16.25], [-78.0, 16.46], [-78.32, 16.32], [-78.47000000000003, 15.97], [-79.0, 15.75], [-79.25, 15.85], [-79.5, 15.75], [-79.75, 15.85], [-80.0, 15.75], [-80.25, 15.85], [-80.5, 15.75], [-80.75, 15.85], [-81.0, 15.75], [-81.25, 15.85], [-81.5, 15.75], [-81.75, 15.85], [-82.0, 15.75], [-82.52999999999997, 15.97], [-82.68, 16.32], [-82.75, 16.35], [-83.0, 16.25], [-83.25, 16.35], [-83.5, 16.25], [-84.02999999999997, 16.47], [-84.18, 16.82], [-84.25, 16.85], [-84.5, 16.75], [-84.75, 16.85], [-85.0, 16.75]]]]}, "2021-09-26T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-85.52999999999997, 16.97], [-85.75, 17.5], [-85.52999999999997, 18.03], [-85.0, 18.25], [-84.75, 18.15], [-84.68, 18.18], [-84.52999999999997, 18.53], [-84.0, 18.75], [-83.75, 18.65], [-83.68, 18.68], [-83.52999999999997, 19.03], [-83.0, 19.25], [-82.75, 19.15], [-82.68, 19.18], [-82.52999999999997, 19.53], [-82.0, 19.75], [-81.47000000000003, 19.53], [-81.32, 19.18], [-81.25, 19.15], [-81.0, 19.25], [-80.47000000000003, 19.03], [-80.32, 18.68], [-79.97000000000003, 18.53], [-79.82, 18.18], [-79.75, 18.15], [-79.5, 18.25], [-79.25, 18.15], [-79.0, 18.25], [-78.75, 18.15], [-78.5, 18.25], [-78.25, 18.15], [-78.18, 18.18], [-78.02999999999997, 18.53], [-77.5, 18.75], [-77.25, 18.65], [-77.0, 18.75], [-76.75, 18.65], [-76.68, 18.68], [-76.52999999999997, 19.03], [-76.0, 19.25], [-75.75, 19.15], [-75.5, 19.25], [-74.97000000000003, 19.03], [-74.82, 18.68], [-74.47000000000003, 18.53], [-74.25, 18.0], [-74.35000000000002, 17.75], [-74.25, 17.5], [-74.47000000000003, 16.97], [-75.0, 16.75], [-75.25, 16.85], [-75.5, 16.75], [-75.75, 16.85], [-75.82, 16.82], [-75.97000000000003, 16.47], [-76.5, 16.25], [-76.75, 16.35], [-77.0, 16.25], [-77.25, 16.35], [-77.5, 16.25], [-78.0, 16.46], [-78.32, 16.32], [-78.47000000000003, 15.97], [-79.0, 15.75], [-79.25, 15.85], [-79.32, 15.82], [-79.47000000000003, 15.47], [-80.0, 15.25], [-80.25, 15.35], [-80.5, 15.25], [-80.75, 15.35], [-81.0, 15.25], [-81.52999999999997, 15.47], [-81.68, 15.82], [-81.75, 15.85], [-82.0, 15.75], [-82.25, 15.85], [-82.32, 15.82], [-82.47000000000003, 15.47], [-83.0, 15.25], [-83.52999999999997, 15.47], [-83.68, 15.82], [-83.75, 15.85], [-84.0, 15.75], [-84.52999999999997, 15.97], [-84.68, 16.32], [-85.02999999999997, 16.47], [-85.18, 16.82], [-85.52999999999997, 16.97]]]]}, "2021-09-27T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-85.75, 17.5], [-85.52999999999997, 18.03], [-85.0, 18.25], [-84.75, 18.15], [-84.68, 18.18], [-84.52999999999997, 18.53], [-84.0, 18.75], [-83.75, 18.65], [-83.68, 18.68], [-83.52999999999997, 19.03], [-83.0, 19.25], [-82.75, 19.15], [-82.68, 19.18], [-82.52999999999997, 19.53], [-82.0, 19.75], [-81.47000000000003, 19.53], [-81.32, 19.18], [-81.25, 19.15], [-81.0, 19.25], [-80.47000000000003, 19.03], [-80.32, 18.68], [-79.97000000000003, 18.53], [-79.82, 18.18], [-79.75, 18.15], [-79.5, 18.25], [-79.25, 18.15], [-79.0, 18.25], [-78.75, 18.15], [-78.5, 18.25], [-78.25, 18.15], [-78.18, 18.18], [-78.02999999999997, 18.53], [-77.5, 18.75], [-77.25, 18.65], [-77.0, 18.75], [-76.75, 18.65], [-76.68, 18.68], [-76.52999999999997, 19.03], [-76.0, 19.25], [-75.75, 19.15], [-75.5, 19.25], [-74.97000000000003, 19.03], [-74.82, 18.68], [-74.47000000000003, 18.53], [-74.25, 18.0], [-74.35000000000002, 17.75], [-74.25, 17.5], [-74.47000000000003, 16.97], [-75.0, 16.75], [-75.25, 16.85], [-75.5, 16.75], [-75.75, 16.85], [-75.82, 16.82], [-75.97000000000003, 16.47], [-76.5, 16.25], [-76.75, 16.35], [-77.0, 16.25], [-77.25, 16.35], [-77.5, 16.25], [-78.0, 16.46], [-78.32, 16.32], [-78.47000000000003, 15.97], [-79.0, 15.75], [-79.25, 15.85], [-79.32, 15.82], [-79.47000000000003, 15.47], [-80.0, 15.25], [-80.25, 15.35], [-80.5, 15.25], [-80.75, 15.35], [-81.0, 15.25], [-81.52999999999997, 15.47], [-81.68, 15.82], [-81.75, 15.85], [-82.0, 15.75], [-82.25, 15.85], [-82.32, 15.82], [-82.47000000000003, 15.47], [-82.82, 15.32], [-82.97000000000003, 14.97], [-83.5, 14.75], [-84.02999999999997, 14.97], [-84.18, 15.32], [-84.25, 15.35], [-84.5, 15.25], [-85.02999999999997, 15.47], [-85.18, 15.82], [-85.52999999999997, 15.97], [-85.75, 16.5], [-85.54000000000002, 17.0], [-85.75, 17.5]]]]}, "2021-09-28T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-85.75, 17.5], [-85.52999999999997, 18.03], [-85.0, 18.25], [-84.75, 18.15], [-84.5, 18.25], [-84.25, 18.15], [-84.0, 18.25], [-83.75, 18.15], [-83.5, 18.25], [-83.25, 18.15], [-83.0, 18.25], [-82.47000000000003, 18.03], [-82.25, 17.5], [-82.35000000000002, 17.25], [-82.32, 17.18], [-82.25, 17.15], [-82.18, 17.18], [-82.02999999999997, 17.53], [-81.5, 17.75], [-81.25, 17.65], [-81.0, 17.75], [-80.75, 17.65], [-80.5, 17.75], [-80.25, 17.65], [-80.0, 17.75], [-79.75, 17.65], [-79.68, 17.68], [-79.52999999999997, 18.03], [-79.0, 18.25], [-78.5, 18.04], [-78.18, 18.18], [-78.02999999999997, 18.53], [-77.5, 18.75], [-77.0, 18.54], [-76.5, 18.75], [-75.97000000000003, 18.53], [-75.75, 18.0], [-75.97000000000003, 17.47], [-76.5, 17.25], [-77.0, 17.46], [-77.32, 17.32], [-77.47000000000003, 16.97], [-77.82, 16.82], [-77.97000000000003, 16.47], [-78.5, 16.25], [-78.75, 16.35], [-78.82, 16.32], [-78.97000000000003, 15.97], [-79.32, 15.82], [-79.47000000000003, 15.47], [-80.0, 15.25], [-80.25, 15.35], [-80.5, 15.25], [-80.75, 15.35], [-81.0, 15.25], [-81.52999999999997, 15.47], [-81.68, 15.82], [-81.75, 15.85], [-82.0, 15.75], [-82.25, 15.85], [-82.32, 15.82], [-82.47000000000003, 15.47], [-82.82, 15.32], [-82.97000000000003, 14.97], [-83.5, 14.75], [-84.02999999999997, 14.97], [-84.18, 15.32], [-84.25, 15.35], [-84.5, 15.25], [-85.02999999999997, 15.47], [-85.18, 15.82], [-85.52999999999997, 15.97], [-85.75, 16.5], [-85.54000000000002, 17.0], [-85.75, 17.5]]]]}, "2021-09-29T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-85.52999999999997, 15.97], [-85.75, 16.5], [-85.52999999999997, 17.03], [-85.18, 17.18], [-85.02999999999997, 17.53], [-84.68, 17.68], [-84.52999999999997, 18.03], [-84.0, 18.25], [-83.47000000000003, 18.03], [-83.25, 17.5], [-83.35000000000002, 17.25], [-83.32, 17.18], [-82.97000000000003, 17.03], [-82.75, 16.5], [-82.85000000000002, 16.25], [-82.75, 16.0], [-82.85000000000002, 15.75], [-82.75, 15.5], [-82.97000000000003, 14.97], [-83.5, 14.75], [-84.02999999999997, 14.97], [-84.18, 15.32], [-84.25, 15.35], [-84.5, 15.25], [-85.02999999999997, 15.47], [-85.18, 15.82], [-85.52999999999997, 15.97]]]]}, "2021-09-30T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-85.25, 17.0], [-85.02999999999997, 17.53], [-84.5, 17.75], [-83.97000000000003, 17.53], [-83.82, 17.18], [-83.47000000000003, 17.03], [-83.25, 16.5], [-83.47000000000003, 15.97], [-84.0, 15.75], [-84.25, 15.85], [-84.5, 15.75], [-85.02999999999997, 15.97], [-85.25, 16.5], [-85.14999999999998, 16.75], [-85.25, 17.0]]]]}}}, "max_amp": {"name": "Maximum anomaly amplitude", "description": "Maximum t2m anomaly recorded over entire duration", "value": 2.2090314756051157}, "mean_amp": {"name": "Mean anomaly amplitude", "description": "Mean t2m anomaly over entire duration", "value": 1.1426582464327393}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [28.644193739713955, 28.736946416866942, 28.858852639265308, 28.825439131305075, 28.532234303389714, 28.35345955376914, 28.296799688624276]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [28.664479999232697, 28.905491706732107, 29.1135138130104, 29.064732980872975, 28.68730692709181, 28.453799962998232, 28.37242040169201]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [0.8440080820045068, 1.0177319316978122, 1.2122638674558892, 1.2476948707355262, 1.0794878508456023, 0.9810216347981602, 0.8988071595252904]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [0.8875319279066503, 1.8966923850149442, 2.1331553834156125, 2.2090314756051157, 1.8037828178675, 1.0531035310496577, 0.9144109711691044]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.2462427793214808, 1.456967831228029, 1.7031592021352329, 1.741810834670513, 1.531393014023983, 1.5331995507581089, 1.4094875295725993]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [1.2874160597718294, 1.6469165122794087, 2.0279998824971632, 2.3478567593231228, 2.1453654777567275, 1.6644113043400721, 1.431040908703279]}}