{"version_information": {"version": "det_AHW_v1.1", "compiled_date": "2026-04-05 16:51:33.655454", "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": "2023-Feb-24_to_2023-Feb-27_283.5_1.0"}, "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": 2023020002470}, "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": "February 24 2023"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "February 27 2023"}, "duration": {"name": "Duration", "description": "Time elapsed (days) from the start date to the end date", "value": 4}, "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": 129801.73359877538}, "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": ["Colombia", "Ecuador", "Peru"]}, "continents_affected": {"name": "Continents affected", "description": "List of all continents affected", "value": ["America", "America", "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": []}, "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": 1.0}, "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": 283.5}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "283.5\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 282.5}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 287.5}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": -1.0}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": 3.0}, "polygons_merged": {"name": "Merged polygon", "description": "Merger or polygons at each time step", "value": {"type": "MultiPolygon", "coordinates": [[[[-77.5, 1.75], [-77.0, 1.54], [-76.68, 1.68], [-76.53, 2.03], [-76.18, 2.18], [-76.03, 2.53], [-75.5, 2.75], [-75.25, 2.65], [-75.0, 2.75], [-74.75, 2.65], [-74.68, 2.68], [-74.65, 2.75], [-74.75, 3.0], [-74.53, 3.53], [-74.0, 3.75], [-73.47, 3.53], [-73.25, 3.0], [-73.35, 2.75], [-73.25, 2.5], [-73.47, 1.97], [-73.82, 1.82], [-73.85, 1.75], [-73.82, 1.68], [-73.47, 1.53], [-73.32, 1.18], [-73.25, 1.15], [-73.0, 1.25], [-72.47, 1.03], [-72.32, 0.68], [-71.97, 0.53], [-71.75, 0.0], [-71.97, -0.53], [-72.5, -0.75], [-73.0, -0.54], [-73.32, -0.68], [-73.47, -1.03], [-73.82, -1.18], [-73.97, -1.53], [-74.5, -1.75], [-74.75, -1.65], [-75.0, -1.75], [-75.25, -1.65], [-75.5, -1.75], [-76.03, -1.53], [-76.18, -1.18], [-76.25, -1.15], [-76.5, -1.25], [-77.03, -1.03], [-77.25, -0.5], [-77.15, -0.25], [-77.18, -0.18], [-77.53, -0.03], [-77.68, 0.32], [-78.03, 0.47], [-78.25, 1.0], [-78.03, 1.53], [-77.5, 1.75]]]]}}, "IPCC_regions": {"name": "IPCC regions", "description": "List of all IPCC regions affected", "value": ["N.W.South-America", "N.South-America"]}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2023-02-24T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-74.52999999999997, 3.53], [-74.0, 3.75], [-73.47000000000003, 3.53], [-73.25, 3.0], [-73.47000000000003, 2.47], [-74.0, 2.25], [-74.52999999999997, 2.47], [-74.75, 3.0], [-74.52999999999997, 3.53]]]]}, "2023-02-25T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-78.02999999999997, 0.47], [-78.25, 1.0], [-78.02999999999997, 1.53], [-77.5, 1.75], [-77.0, 1.54], [-76.68, 1.68], [-76.52999999999997, 2.03], [-76.18, 2.18], [-76.02999999999997, 2.53], [-75.5, 2.75], [-75.25, 2.65], [-75.0, 2.75], [-74.75, 2.65], [-74.68, 2.68], [-74.64999999999998, 2.75], [-74.75, 3.0], [-74.52999999999997, 3.53], [-74.0, 3.75], [-73.47000000000003, 3.53], [-73.25, 3.0], [-73.35000000000002, 2.75], [-73.25, 2.5], [-73.47000000000003, 1.97], [-73.82, 1.82], [-73.85000000000002, 1.75], [-73.82, 1.68], [-73.47000000000003, 1.53], [-73.32, 1.18], [-73.25, 1.15], [-73.0, 1.25], [-72.47000000000003, 1.03], [-72.32, 0.68], [-71.97000000000003, 0.53], [-71.75, 0.0], [-71.97000000000003, -0.53], [-72.5, -0.75], [-73.0, -0.54], [-73.32, -0.68], [-73.47000000000003, -1.03], [-73.82, -1.18], [-73.97000000000003, -1.53], [-74.5, -1.75], [-74.75, -1.65], [-75.0, -1.75], [-75.25, -1.65], [-75.5, -1.75], [-76.02999999999997, -1.53], [-76.18, -1.18], [-76.25, -1.15], [-76.5, -1.25], [-77.02999999999997, -1.03], [-77.25, -0.5], [-77.14999999999998, -0.25], [-77.18, -0.18], [-77.52999999999997, -0.03], [-77.68, 0.32], [-78.02999999999997, 0.47]]]]}, "2023-02-26T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-78.02999999999997, 0.47], [-78.25, 1.0], [-78.02999999999997, 1.53], [-77.5, 1.75], [-77.0, 1.54], [-76.68, 1.68], [-76.52999999999997, 2.03], [-76.18, 2.18], [-76.02999999999997, 2.53], [-75.5, 2.75], [-75.25, 2.65], [-75.0, 2.75], [-74.75, 2.65], [-74.68, 2.68], [-74.64999999999998, 2.75], [-74.75, 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2.066489458815853]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [1.7023331222765705, 2.930455343000915, 3.4311822022622778, 3.4390570726106375]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.2726858237833445, 1.7534721318214848, 2.048151608118695, 1.9033120444286826]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [1.2726858237833445, 2.5765430783085828, 2.7737735903257534, 3.2528145273678257]}}