{"version_information": {"version": "det_AHW_v1.1", "compiled_date": "2026-04-05 16:23:23.914404", "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-Sep-25_to_2022-Oct-03_305.0_-11.5"}, "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": 2022090002606}, "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 25 2022"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "October 03 2022"}, "duration": {"name": "Duration", "description": "Time elapsed (days) from the start date to the end date", "value": 9}, "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": 160617.92114281788}, "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": ["Brazil"]}, "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": []}, "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": -11.5}, "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": 305.0}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "305.0\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 302.0}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 307.5}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": -13.0}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": -9.5}, "polygons_merged": {"name": "Merged polygon", "description": "Merger or polygons at each time step", "value": {"type": "MultiPolygon", "coordinates": [[[[-57.32, -10.32], [-57.07, -10.43], [-57.25, -10.0], [-57.03, -9.47], [-56.5, -9.25], [-56.25, -9.35], [-56.18, -9.32], [-56.03, -8.97], [-55.5, -8.75], [-55.25, -8.85], [-55.0, -8.75], [-54.75, -8.85], [-54.5, -8.75], [-53.97, -8.97], [-53.82, -9.32], [-53.47, -9.47], [-53.25, -10.0], [-53.35, -10.25], [-53.32, -10.32], [-53.25, -10.35], [-53.0, -10.25], [-52.47, -10.47], [-52.25, -11.0], [-52.35, -11.25], [-52.32, -11.32], [-51.97, -11.47], [-51.75, -12.0], [-51.97, -12.53], [-52.5, -12.75], [-52.75, -12.65], [-52.87, -12.7], [-52.75, -13.0], [-52.97, -13.53], [-53.5, -13.75], [-53.75, -13.65], [-54.0, -13.75], [-54.25, -13.65], [-54.5, -13.75], [-55.03, -13.53], [-55.18, -13.18], [-55.25, -13.15], [-55.5, -13.25], [-55.75, -13.15], [-56.0, -13.25], [-56.25, -13.15], [-56.5, -13.25], [-57.03, -13.03], [-57.18, -12.68], [-57.53, -12.53], [-57.68, -12.18], [-57.75, -12.15], [-58.0, -12.25], [-58.53, -12.03], [-58.75, -11.5], [-58.54, -11.0], [-58.75, -10.5], [-58.53, -9.97], [-58.0, -9.75], [-57.47, -9.97], [-57.32, -10.32]]]]}}, "IPCC_regions": {"name": "IPCC regions", "description": "List of all IPCC regions affected", "value": ["South-American-Monsoon"]}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2022-09-25T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-58.52999999999997, -11.03], [-58.75, -10.5], [-58.52999999999997, -9.97], [-58.0, -9.75], [-57.47000000000003, -9.97], [-57.31999999999999, -10.32], [-56.97000000000003, -10.47], [-56.81999999999999, -10.82], [-56.47000000000003, -10.97], [-56.25, -11.5], [-56.35000000000002, -11.75], [-56.25, -12.0], [-56.47000000000003, -12.53], [-57.0, -12.75], [-57.52999999999997, -12.53], [-57.68000000000001, -12.18], [-58.02999999999997, -12.03], [-58.25, -11.5], [-58.14999999999998, -11.25], [-58.18000000000001, -11.18], [-58.52999999999997, -11.03]]]]}, "2022-09-26T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-58.75, -10.5], [-58.52999999999997, -9.97], [-58.0, -9.75], [-57.47000000000003, -9.97], [-57.31999999999999, -10.32], [-56.97000000000003, -10.47], [-56.81999999999999, -10.82], [-56.75, -10.85], [-56.5, -10.75], [-55.97000000000003, -10.97], [-55.75, -11.5], [-55.85000000000002, -11.75], [-55.81999999999999, -11.82], [-55.5, -11.96], [-55.0, -11.75], [-54.47000000000003, -11.97], [-54.25, -12.5], [-54.47000000000003, -13.03], [-55.0, -13.25], [-55.5, -13.04], [-56.0, -13.25], [-56.25, -13.15], [-56.5, -13.25], [-57.02999999999997, -13.03], [-57.18000000000001, -12.68], [-57.52999999999997, -12.53], [-57.68000000000001, -12.18], [-57.75, -12.15], [-58.0, -12.25], [-58.52999999999997, -12.03], [-58.75, -11.5], [-58.54000000000002, -11.0], [-58.75, -10.5]]]]}, "2022-09-27T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-58.75, -10.5], [-58.52999999999997, -9.97], [-58.0, -9.75], [-57.47000000000003, -9.97], [-57.31999999999999, -10.32], [-56.97000000000003, -10.47], [-56.81999999999999, -10.82], [-56.75, -10.85], [-56.620000000000005, -10.8], [-56.75, -10.5], [-56.52999999999997, -9.97], [-56.18000000000001, -9.82], [-56.02999999999997, -9.47], [-55.5, -9.25], [-54.97000000000003, -9.47], [-54.75, -10.0], [-54.85000000000002, -10.25], [-54.75, -10.5], [-54.85000000000002, -10.75], [-54.81999999999999, -10.82], [-54.47000000000003, -10.97], [-54.31999999999999, -11.32], [-53.97000000000003, -11.47], [-53.81999999999999, -11.82], [-53.47000000000003, -11.97], [-53.25, -12.5], [-53.47000000000003, -13.03], [-54.0, -13.25], [-54.25, -13.15], [-54.5, -13.25], [-54.75, -13.15], [-55.0, -13.25], [-55.5, -13.04], [-56.0, -13.25], [-56.25, -13.15], [-56.5, -13.25], [-57.02999999999997, -13.03], [-57.18000000000001, -12.68], [-57.52999999999997, -12.53], [-57.68000000000001, -12.18], [-57.75, -12.15], [-58.0, -12.25], [-58.52999999999997, -12.03], [-58.75, -11.5], [-58.54000000000002, -11.0], [-58.75, -10.5]]]]}, "2022-09-28T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-58.75, -10.5], [-58.52999999999997, -9.97], [-58.0, -9.75], [-57.47000000000003, -9.97], [-57.31999999999999, -10.32], [-57.06999999999999, -10.43], [-57.25, -10.0], [-57.02999999999997, -9.47], [-56.5, -9.25], [-56.25, -9.35], [-56.18000000000001, -9.32], [-56.02999999999997, -8.97], [-55.5, -8.75], [-55.25, -8.85], [-55.0, -8.75], [-54.47000000000003, -8.97], [-54.31999999999999, -9.32], [-53.97000000000003, -9.47], [-53.75, -10.0], [-53.85000000000002, -10.25], [-53.75, -10.5], [-53.85000000000002, -10.75], [-53.81999999999999, -10.82], [-53.47000000000003, -10.97], [-53.25, -11.5], [-53.35000000000002, -11.75], [-53.25, -12.0], [-53.35000000000002, -12.25], [-53.25, -12.5], [-53.47000000000003, -13.03], [-54.0, -13.25], [-54.25, -13.15], [-54.5, -13.25], [-54.75, -13.15], [-55.0, -13.25], [-55.5, -13.04], [-56.0, -13.25], [-56.25, -13.15], [-56.5, -13.25], [-57.02999999999997, -13.03], [-57.18000000000001, -12.68], [-57.52999999999997, -12.53], [-57.68000000000001, -12.18], [-57.75, -12.15], [-58.0, -12.25], [-58.52999999999997, -12.03], [-58.75, -11.5], [-58.54000000000002, -11.0], [-58.75, -10.5]]]]}, "2022-09-29T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-57.25, -10.0], [-57.02999999999997, -9.47], [-56.5, -9.25], [-56.25, -9.35], [-56.18000000000001, -9.32], [-56.02999999999997, -8.97], [-55.5, -8.75], [-55.25, -8.85], [-55.0, -8.75], [-54.47000000000003, -8.97], [-54.31999999999999, -9.32], [-53.97000000000003, -9.47], [-53.75, -10.0], [-53.85000000000002, -10.25], [-53.75, -10.5], [-53.85000000000002, -10.75], [-53.81999999999999, -10.82], [-53.47000000000003, -10.97], [-53.25, -11.5], [-53.35000000000002, -11.75], [-53.25, -12.0], [-53.35000000000002, -12.25], [-53.25, -12.5], [-53.47000000000003, -13.03], [-54.0, -13.25], [-54.25, -13.15], [-54.5, -13.25], [-54.75, -13.15], [-55.0, -13.25], [-55.52999999999997, -13.03], [-55.68000000000001, -12.68], [-56.02999999999997, -12.53], [-56.25, -12.0], [-56.14999999999998, -11.75], [-56.19999999999999, -11.62], [-56.5, -11.75], [-57.02999999999997, -11.53], [-57.25, -11.0], [-57.04000000000002, -10.5], [-57.25, -10.0]]]]}, "2022-09-30T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-57.25, -11.0], [-57.04000000000002, -10.5], [-57.25, -10.0], [-57.02999999999997, -9.47], [-56.5, -9.25], [-56.25, -9.35], [-56.18000000000001, -9.32], [-56.02999999999997, -8.97], [-55.5, -8.75], [-55.25, -8.85], [-55.0, -8.75], [-54.47000000000003, -8.97], [-54.31999999999999, -9.32], [-54.25, -9.35], [-54.0, -9.25], [-53.47000000000003, -9.47], [-53.25, -10.0], [-53.35000000000002, -10.25], [-53.31999999999999, -10.32], [-53.25, -10.35], [-53.0, -10.25], [-52.47000000000003, -10.47], [-52.25, -11.0], [-52.35000000000002, -11.25], [-52.31999999999999, -11.32], [-51.97000000000003, -11.47], [-51.75, -12.0], [-51.97000000000003, -12.53], [-52.5, -12.75], [-52.75, -12.65], [-52.870000000000005, -12.7], [-52.75, -13.0], [-52.97000000000003, -13.53], [-53.5, -13.75], [-53.75, -13.65], [-54.0, -13.75], [-54.25, -13.65], [-54.5, -13.75], [-55.02999999999997, -13.53], [-55.18000000000001, -13.18], [-55.25, -13.15], [-55.5, -13.25], [-56.02999999999997, -13.03], [-56.18000000000001, -12.68], [-56.52999999999997, -12.53], [-56.68000000000001, -12.18], [-57.02999999999997, -12.03], [-57.25, -11.5], [-57.14999999999998, -11.25], [-57.25, -11.0]]]]}, "2022-10-01T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-57.25, -11.0], [-57.04000000000002, -10.5], [-57.25, -10.0], [-57.02999999999997, -9.47], [-56.5, -9.25], [-56.25, -9.35], [-56.18000000000001, -9.32], [-56.02999999999997, -8.97], [-55.5, -8.75], [-55.25, -8.85], [-55.0, -8.75], [-54.75, -8.85], [-54.5, -8.75], [-53.97000000000003, -8.97], [-53.81999999999999, -9.32], [-53.47000000000003, -9.47], [-53.25, -10.0], [-53.35000000000002, -10.25], [-53.31999999999999, -10.32], [-53.25, -10.35], [-53.0, -10.25], [-52.47000000000003, -10.47], [-52.25, -11.0], [-52.35000000000002, -11.25], [-52.31999999999999, -11.32], [-51.97000000000003, -11.47], [-51.75, -12.0], [-51.97000000000003, -12.53], [-52.5, -12.75], [-52.75, -12.65], [-52.870000000000005, -12.7], [-52.75, -13.0], [-52.97000000000003, -13.53], [-53.5, -13.75], [-53.75, -13.65], [-54.0, -13.75], [-54.25, -13.65], [-54.5, -13.75], [-55.02999999999997, -13.53], [-55.18000000000001, -13.18], [-55.25, -13.15], [-55.5, -13.25], [-56.02999999999997, -13.03], [-56.18000000000001, -12.68], [-56.52999999999997, -12.53], [-56.68000000000001, -12.18], [-57.02999999999997, -12.03], [-57.25, -11.5], [-57.14999999999998, -11.25], [-57.25, -11.0]]]]}, "2022-10-02T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-57.25, -11.0], [-57.02999999999997, -10.47], [-56.5, -10.25], [-56.06999999999999, -10.43], [-56.25, -10.0], [-56.02999999999997, -9.47], [-55.68000000000001, -9.32], [-55.52999999999997, -8.97], [-55.0, -8.75], [-54.75, -8.85], [-54.5, -8.75], [-53.97000000000003, -8.97], [-53.81999999999999, -9.32], [-53.47000000000003, -9.47], [-53.25, -10.0], [-53.35000000000002, -10.25], [-53.31999999999999, -10.32], [-53.25, -10.35], [-53.0, -10.25], [-52.47000000000003, -10.47], [-52.25, -11.0], [-52.35000000000002, -11.25], [-52.31999999999999, -11.32], [-51.97000000000003, -11.47], [-51.75, -12.0], [-51.97000000000003, -12.53], [-52.5, -12.75], [-52.75, -12.65], [-52.870000000000005, -12.7], [-52.75, -13.0], [-52.97000000000003, -13.53], [-53.5, -13.75], [-53.75, -13.65], [-54.0, -13.75], [-54.25, -13.65], [-54.5, -13.75], [-55.02999999999997, -13.53], [-55.18000000000001, -13.18], [-55.25, -13.15], [-55.5, -13.25], [-56.02999999999997, -13.03], [-56.18000000000001, -12.68], [-56.52999999999997, -12.53], [-56.68000000000001, -12.18], [-57.02999999999997, -12.03], [-57.25, -11.5], [-57.14999999999998, -11.25], [-57.25, -11.0]], [[-55.75, -10.85], [-55.68000000000001, -10.82], [-55.64999999999998, -10.75], [-55.68000000000001, -10.68], [-55.93000000000001, -10.57], [-55.81999999999999, -10.82], [-55.75, -10.85]]]]}, "2022-10-03T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-57.02999999999997, -11.53], [-57.25, -11.0], [-57.02999999999997, -10.47], [-56.5, -10.25], [-56.06999999999999, -10.43], [-56.25, -10.0], [-56.02999999999997, -9.47], [-55.5, -9.25], [-55.25, -9.35], [-55.18000000000001, -9.32], [-55.02999999999997, -8.97], [-54.5, -8.75], [-53.97000000000003, -8.97], [-53.75, -9.5], [-53.85000000000002, -9.75], [-53.81999999999999, -9.82], [-53.47000000000003, -9.97], [-53.25, -10.5], [-53.47000000000003, -11.03], [-53.81999999999999, -11.18], [-53.97000000000003, -11.53], [-54.31999999999999, -11.68], [-54.47000000000003, -12.03], [-55.0, -12.25], [-55.25, -12.15], [-55.5, -12.25], [-55.75, -12.15], [-56.0, -12.25], [-56.52999999999997, -12.03], [-56.68000000000001, -11.68], [-57.02999999999997, -11.53]], [[-55.75, -10.85], [-55.68000000000001, -10.82], [-55.64999999999998, -10.75], [-55.68000000000001, -10.68], [-55.93000000000001, -10.57], [-55.81999999999999, -10.82], [-55.75, -10.85]]]]}}}, "max_amp": {"name": "Maximum anomaly amplitude", "description": "Maximum t2m anomaly recorded over entire duration", "value": 4.271802692105268}, "mean_amp": {"name": "Mean anomaly amplitude", "description": "Mean t2m anomaly over entire duration", "value": 2.5578496016109504}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [29.53854240978751, 29.18145865032443, 28.97667443158656, 29.845897012300384, 28.827207429740668, 28.92168093611747, 29.919510813716784, 28.850865797573306, 28.600984262732027]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [30.287425559937162, 30.277219009960163, 30.062636503244562, 31.313877878020378, 29.67715552371459, 29.91141625878589, 31.24573479475839, 29.668205490998275, 29.24743990232571]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [2.5330246273589525, 2.385810247489866, 2.1947182820430737, 3.1145935685970634, 2.1341341759115506, 2.2173056881145405, 3.276905440634783, 2.2507318710938478, 2.223593461358357]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [3.0653615836640142, 2.937029491748717, 2.8846475201806356, 4.11449744863279, 2.6848937163103415, 2.947191960735381, 4.271802692105268, 2.7677373331645185, 2.4822811356325474]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.56970922547811, 1.5332886203608487, 1.4834813288435351, 2.207581266122302, 1.5582779600476444, 1.558537307745459, 2.289140154345906, 1.5323860656982151, 1.598600894798353]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [1.9179580710058934, 1.8569853793856401, 1.8717813892070811, 2.8204986726281094, 1.976697340967345, 2.101567775259029, 2.86454328473157, 1.8257856300309967, 1.8398563029892785]}}