{"version_information": {"version": "det_AHW_v1.1", "compiled_date": "2026-04-05 16:19:04.807632", "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-Mar-20_to_2022-Mar-24_305.0_-12.0"}, "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": 2022030002279}, "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": "March 20 2022"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "March 24 2022"}, "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": 51314.6016161047}, "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": -12.0}, "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": 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": 304.5}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 306.0}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": -14.0}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": -11.0}, "polygons_merged": {"name": "Merged polygon", "description": "Merger or polygons at each time step", "value": {"type": "MultiPolygon", "coordinates": [[[[-55.25, -11.35], [-55.18, -11.32], [-55.15, -11.25], [-55.25, -11.0], [-55.03, -10.47], [-54.5, -10.25], [-54.25, -10.35], [-54.0, -10.25], [-53.47, -10.47], [-53.25, -11.0], [-53.35, -11.25], [-53.25, -11.5], [-53.46, -12.0], [-53.25, -12.5], [-53.35, -12.75], [-53.25, -13.0], [-53.47, -13.53], [-53.82, -13.68], [-53.85, -13.75], [-53.75, -14.0], [-53.97, -14.53], [-54.5, -14.75], [-55.03, -14.53], [-55.18, -14.18], [-55.53, -14.03], [-55.75, -13.5], [-55.65, -13.25], [-55.68, -13.18], [-56.03, -13.03], [-56.25, -12.5], [-56.15, -12.25], [-56.25, -12.0], [-56.03, -11.47], [-55.5, -11.25], [-55.25, -11.35]]]]}}, "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": {"2022-03-20T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-55.75, -12.5], [-55.64999999999998, -12.25], [-55.75, -12.0], [-55.52999999999997, -11.47], [-55.0, -11.25], [-54.47000000000003, -11.47], [-54.25, -12.0], [-54.35000000000002, -12.25], [-54.31999999999999, -12.32], [-53.97000000000003, -12.47], [-53.75, -13.0], [-53.97000000000003, -13.53], [-54.5, -13.75], [-54.75, -13.65], [-55.0, -13.75], [-55.52999999999997, -13.53], [-55.75, -13.0], [-55.64999999999998, -12.75], [-55.75, -12.5]]]]}, "2022-03-21T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-55.75, -12.5], [-55.64999999999998, -12.25], [-55.75, -12.0], [-55.52999999999997, -11.47], [-55.18000000000001, -11.32], [-55.14999999999998, -11.25], [-55.25, -11.0], [-55.02999999999997, -10.47], [-54.5, -10.25], [-54.25, -10.35], [-54.0, -10.25], [-53.47000000000003, -10.47], [-53.25, -11.0], [-53.35000000000002, -11.25], [-53.25, -11.5], [-53.45999999999998, -12.0], [-53.25, -12.5], [-53.47000000000003, -13.03], [-53.81999999999999, -13.18], [-53.85000000000002, -13.25], [-53.75, -13.5], [-53.97000000000003, -14.03], [-54.5, -14.25], [-55.02999999999997, -14.03], [-55.18000000000001, -13.68], [-55.52999999999997, -13.53], [-55.75, -13.0], [-55.64999999999998, -12.75], [-55.75, -12.5]]]]}, "2022-03-22T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-56.25, -12.0], [-56.02999999999997, -11.47], [-55.5, -11.25], [-55.25, -11.35], [-55.18000000000001, -11.32], [-55.14999999999998, -11.25], [-55.25, -11.0], [-55.02999999999997, -10.47], [-54.5, -10.25], [-54.25, -10.35], [-54.0, -10.25], [-53.47000000000003, -10.47], [-53.25, -11.0], [-53.35000000000002, -11.25], [-53.25, -11.5], [-53.45999999999998, -12.0], [-53.25, -12.5], [-53.35000000000002, -12.75], [-53.25, -13.0], [-53.47000000000003, -13.53], [-53.81999999999999, -13.68], [-53.85000000000002, -13.75], [-53.75, -14.0], [-53.97000000000003, -14.53], [-54.5, -14.75], [-55.02999999999997, -14.53], [-55.18000000000001, -14.18], [-55.52999999999997, -14.03], [-55.75, -13.5], [-55.64999999999998, -13.25], [-55.68000000000001, -13.18], [-56.02999999999997, -13.03], [-56.25, -12.5], [-56.14999999999998, -12.25], [-56.25, -12.0]]]]}, "2022-03-23T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-56.25, -12.0], [-56.02999999999997, -11.47], [-55.5, -11.25], [-55.25, -11.35], [-55.18000000000001, -11.32], [-55.14999999999998, -11.25], [-55.25, -11.0], [-55.02999999999997, -10.47], [-54.5, -10.25], [-54.25, -10.35], [-54.0, -10.25], [-53.47000000000003, -10.47], [-53.25, -11.0], [-53.35000000000002, -11.25], [-53.25, -11.5], [-53.45999999999998, -12.0], [-53.25, -12.5], [-53.35000000000002, -12.75], [-53.25, -13.0], [-53.47000000000003, -13.53], [-53.81999999999999, -13.68], [-53.85000000000002, -13.75], [-53.75, -14.0], [-53.97000000000003, -14.53], [-54.5, -14.75], [-55.02999999999997, -14.53], [-55.18000000000001, -14.18], [-55.52999999999997, -14.03], [-55.75, -13.5], [-55.64999999999998, -13.25], [-55.68000000000001, -13.18], [-56.02999999999997, -13.03], [-56.25, -12.5], [-56.14999999999998, -12.25], [-56.25, -12.0]]]]}, "2022-03-24T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-56.25, -12.0], [-56.02999999999997, -11.47], [-55.5, -11.25], [-55.25, -11.35], [-55.0, -11.25], [-54.75, -11.35], [-54.5, -11.25], [-53.97000000000003, -11.47], [-53.75, -12.0], [-53.85000000000002, -12.25], [-53.81999999999999, -12.32], [-53.47000000000003, -12.47], [-53.25, -13.0], [-53.47000000000003, -13.53], [-53.81999999999999, -13.68], [-53.85000000000002, -13.75], [-53.75, -14.0], [-53.97000000000003, -14.53], [-54.5, -14.75], [-55.02999999999997, -14.53], [-55.18000000000001, -14.18], [-55.52999999999997, -14.03], [-55.75, -13.5], [-55.64999999999998, -13.25], [-55.68000000000001, -13.18], [-56.02999999999997, -13.03], [-56.25, -12.5], [-56.14999999999998, -12.25], [-56.25, -12.0]]]]}}}, "max_amp": {"name": "Maximum anomaly amplitude", "description": "Maximum t2m anomaly recorded over entire duration", "value": 2.2835709162084186}, "mean_amp": {"name": "Mean anomaly amplitude", "description": "Mean t2m anomaly over entire duration", "value": 1.654243324233217}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [26.191422350604512, 25.984068109427028, 26.306412946645708, 26.514337737199583, 26.253933123430954]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [26.363770794134666, 26.24695547745165, 26.59020628118344, 27.052176999152948, 26.52700185863017]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [1.5020439183590355, 1.3844305383101319, 1.6950161045979424, 1.8872442513274148, 1.5869431598808887]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [1.672197490464555, 1.5815249414171149, 2.073939865833381, 2.2835709162084186, 1.7806465943302214]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.5336487909654302, 1.4836466677087115, 1.8332831377342362, 2.0859679983111654, 1.6562518286274897]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [1.6776849607497597, 1.7273971107412796, 2.505692149915185, 2.671541643142739, 1.8205081401241807]}}