{"version_information": {"version": "det_AHW_v1.1", "compiled_date": "2026-04-05 17:04:10.388397", "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": "2025-Mar-19_to_2025-Mar-23_303.5_-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": 2025030002013}, "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 19 2025"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "March 23 2025"}, "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": 91463.92393812857}, "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": ["Bolivia, Plurinational State of", "Brazil"]}, "continents_affected": {"name": "Continents affected", "description": "List of all continents affected", "value": ["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": -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": 303.5}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "303.5\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 301.5}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 305.0}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": -19.5}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": -14.5}, "polygons_merged": {"name": "Merged polygon", "description": "Merger or polygons at each time step", "value": {"type": "MultiPolygon", "coordinates": [[[[-57.53, -15.97], [-57.0, -15.75], [-56.75, -15.85], [-56.68, -15.82], [-56.65, -15.75], [-56.75, -15.5], [-56.65, -15.25], [-56.75, -15.0], [-56.65, -14.75], [-56.75, -14.5], [-56.53, -13.97], [-56.0, -13.75], [-55.75, -13.85], [-55.5, -13.75], [-54.97, -13.97], [-54.75, -14.5], [-54.97, -15.03], [-55.32, -15.18], [-55.35, -15.25], [-55.25, -15.5], [-55.35, -15.75], [-55.25, -16.0], [-55.35, -16.25], [-55.32, -16.32], [-55.25, -16.35], [-55.0, -16.25], [-54.47, -16.47], [-54.25, -17.0], [-54.47, -17.53], [-54.82, -17.68], [-54.85, -17.75], [-54.75, -18.0], [-54.85, -18.25], [-54.75, -18.5], [-54.85, -18.75], [-54.75, -19.0], [-54.97, -19.53], [-55.5, -19.75], [-56.03, -19.53], [-56.18, -19.18], [-56.25, -19.15], [-56.32, -19.18], [-56.35, -19.25], [-56.25, -19.5], [-56.47, -20.03], [-57.0, -20.25], [-57.53, -20.03], [-57.75, -19.5], [-57.65, -19.25], [-57.75, -19.0], [-57.65, -18.75], [-57.68, -18.68], [-58.03, -18.53], [-58.2, -18.12], [-58.5, -18.25], [-59.03, -18.03], [-59.25, -17.5], [-59.03, -16.97], [-58.68, -16.82], [-58.53, -16.47], [-58.0, -16.25], [-57.75, -16.35], [-57.68, -16.32], [-57.53, -15.97]]]]}}, "IPCC_regions": {"name": "IPCC regions", "description": "List of all IPCC regions affected", "value": ["South-American-Monsoon", "S.E.South-America"]}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2025-03-19T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-56.52999999999997, -13.97], [-56.0, -13.75], [-55.47000000000003, -13.97], [-55.25, -14.5], [-55.47000000000003, -15.03], [-56.0, -15.25], [-56.52999999999997, -15.03], [-56.75, -14.5], [-56.52999999999997, -13.97]]]]}, "2025-03-20T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-58.0, -16.25], [-57.75, -16.35], [-57.5, -16.25], [-57.19999999999999, -16.38], [-57.02999999999997, -15.97], [-56.68000000000001, -15.82], [-56.52999999999997, -15.47], [-56.0, -15.25], [-55.47000000000003, -15.47], [-55.25, -16.0], [-55.35000000000002, -16.25], [-55.31999999999999, -16.32], [-55.25, -16.35], [-55.0, -16.25], [-54.47000000000003, -16.47], [-54.25, -17.0], [-54.47000000000003, -17.53], [-54.81999999999999, -17.68], [-54.85000000000002, -17.75], [-54.75, -18.0], [-54.85000000000002, -18.25], [-54.75, -18.5], [-54.85000000000002, -18.75], [-54.75, -19.0], [-54.97000000000003, -19.53], [-55.5, -19.75], [-56.02999999999997, -19.53], [-56.18000000000001, -19.18], [-56.25, -19.15], [-56.31999999999999, -19.18], [-56.35000000000002, -19.25], [-56.25, -19.5], [-56.47000000000003, -20.03], [-57.0, -20.25], [-57.52999999999997, -20.03], [-57.75, -19.5], [-57.64999999999998, -19.25], [-57.75, -19.0], [-57.64999999999998, -18.75], [-57.68000000000001, -18.68], [-58.02999999999997, -18.53], [-58.19999999999999, -18.12], [-58.5, -18.25], [-59.02999999999997, -18.03], [-59.25, -17.5], [-59.02999999999997, -16.97], [-58.68000000000001, -16.82], [-58.52999999999997, -16.47], [-58.0, -16.25]]], [[[-56.75, -14.5], [-56.52999999999997, -13.97], [-56.0, -13.75], [-55.75, -13.85], [-55.5, -13.75], [-54.97000000000003, -13.97], [-54.75, -14.5], [-54.97000000000003, -15.03], [-55.5, -15.25], [-55.75, -15.15], [-56.0, -15.25], [-56.52999999999997, -15.03], [-56.75, -14.5]]]]}, "2025-03-21T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-58.52999999999997, -16.47], [-58.0, -16.25], [-57.75, -16.35], [-57.68000000000001, -16.32], [-57.52999999999997, -15.97], [-57.0, -15.75], [-56.75, -15.85], [-56.68000000000001, -15.82], [-56.64999999999998, -15.75], [-56.75, -15.5], [-56.64999999999998, -15.25], [-56.75, -15.0], [-56.64999999999998, -14.75], [-56.75, -14.5], [-56.52999999999997, -13.97], [-56.0, -13.75], [-55.75, -13.85], [-55.5, -13.75], [-54.97000000000003, -13.97], [-54.75, -14.5], [-54.97000000000003, -15.03], [-55.31999999999999, -15.18], [-55.35000000000002, -15.25], [-55.25, -15.5], [-55.35000000000002, -15.75], [-55.25, -16.0], [-55.35000000000002, -16.25], [-55.31999999999999, -16.32], [-55.25, -16.35], [-55.0, -16.25], [-54.47000000000003, -16.47], [-54.25, -17.0], [-54.47000000000003, -17.53], [-54.81999999999999, -17.68], [-54.85000000000002, -17.75], [-54.75, -18.0], [-54.85000000000002, -18.25], [-54.75, -18.5], [-54.85000000000002, -18.75], [-54.75, -19.0], [-54.97000000000003, -19.53], [-55.5, -19.75], [-56.02999999999997, -19.53], [-56.18000000000001, -19.18], [-56.25, -19.15], [-56.31999999999999, -19.18], [-56.35000000000002, -19.25], [-56.25, -19.5], [-56.47000000000003, -20.03], [-57.0, -20.25], [-57.52999999999997, -20.03], [-57.75, -19.5], [-57.64999999999998, -19.25], [-57.75, -19.0], [-57.64999999999998, -18.75], [-57.68000000000001, -18.68], [-58.02999999999997, -18.53], [-58.19999999999999, -18.12], [-58.5, -18.25], [-59.02999999999997, -18.03], [-59.25, -17.5], [-59.02999999999997, -16.97], [-58.68000000000001, -16.82], [-58.52999999999997, -16.47]]]]}, "2025-03-22T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-58.52999999999997, -16.47], [-58.0, -16.25], [-57.75, -16.35], [-57.68000000000001, -16.32], [-57.52999999999997, -15.97], [-57.0, -15.75], [-56.75, -15.85], [-56.68000000000001, -15.82], [-56.64999999999998, -15.75], [-56.75, -15.5], [-56.64999999999998, -15.25], [-56.75, -15.0], [-56.64999999999998, -14.75], [-56.75, -14.5], [-56.52999999999997, -13.97], [-56.0, -13.75], [-55.75, -13.85], [-55.5, -13.75], [-54.97000000000003, -13.97], [-54.75, -14.5], [-54.97000000000003, -15.03], [-55.31999999999999, -15.18], [-55.35000000000002, -15.25], [-55.25, -15.5], [-55.35000000000002, -15.75], [-55.25, -16.0], [-55.35000000000002, -16.25], [-55.31999999999999, -16.32], [-55.25, -16.35], [-55.0, -16.25], [-54.47000000000003, -16.47], [-54.25, -17.0], [-54.47000000000003, -17.53], [-54.81999999999999, -17.68], [-54.85000000000002, -17.75], [-54.75, -18.0], [-54.85000000000002, -18.25], [-54.75, -18.5], [-54.85000000000002, -18.75], [-54.75, -19.0], [-54.97000000000003, -19.53], [-55.5, -19.75], [-56.02999999999997, -19.53], [-56.18000000000001, -19.18], [-56.25, -19.15], [-56.31999999999999, -19.18], [-56.35000000000002, -19.25], [-56.25, -19.5], [-56.47000000000003, -20.03], [-57.0, -20.25], [-57.52999999999997, -20.03], [-57.75, -19.5], [-57.64999999999998, -19.25], [-57.75, -19.0], [-57.64999999999998, -18.75], [-57.68000000000001, -18.68], [-58.02999999999997, -18.53], [-58.19999999999999, -18.12], [-58.5, -18.25], [-59.02999999999997, -18.03], [-59.25, -17.5], [-59.02999999999997, -16.97], [-58.68000000000001, -16.82], [-58.52999999999997, -16.47]]]]}, "2025-03-23T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-57.0, -17.25], [-57.52999999999997, -17.03], [-57.75, -16.5], [-57.52999999999997, -15.97], [-57.0, -15.75], [-56.75, -15.85], [-56.68000000000001, -15.82], [-56.64999999999998, -15.75], [-56.75, -15.5], [-56.64999999999998, -15.25], [-56.75, -15.0], [-56.52999999999997, -14.47], [-56.0, -14.25], [-55.47000000000003, -14.47], [-55.25, -15.0], [-55.35000000000002, -15.25], [-55.25, -15.5], [-55.35000000000002, -15.75], [-55.25, -16.0], [-55.47000000000003, -16.53], [-55.81999999999999, -16.68], [-55.97000000000003, -17.03], [-56.5, -17.25], [-56.75, -17.15], [-57.0, -17.25]]]]}}}, "max_amp": {"name": "Maximum anomaly amplitude", "description": "Maximum t2m anomaly recorded over entire duration", "value": 3.051103869807207}, "mean_amp": {"name": "Mean anomaly amplitude", "description": "Mean t2m anomaly over entire duration", "value": 2.1197529113642255}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [26.924766794840536, 28.849653225853388, 29.30312618952928, 29.049611458727156, 28.298845926920592]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [26.924766794840536, 29.617920176188193, 30.243721262613974, 30.090511576334677, 28.751384989420615]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [1.303849201800233, 1.8320115146637193, 2.403755844261116, 2.2003042304835425, 1.6340491122993739]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [1.303849201800233, 2.352831179157988, 3.051103869807207, 2.9211862593027718, 1.8350665133741586]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.3660111028569866, 1.5694616151087832, 2.031734319771254, 1.8931936947838623, 1.5276709175495553]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [1.3660111028569866, 1.9088842436474656, 2.6690730316138866, 2.379219510131779, 1.7395128450882493]}}