{"version_information": {"version": "det_AHW_tail10.0_v1.2", "compiled_date": "2026-06-27 18:18:36.727239", "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": "2020-Jan-09_to_2020-Jan-12_302.0_-17.0"}, "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": 2020010001534}, "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": "January 09 2020"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "January 12 2020"}, "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": 108897.62985219108}, "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", "Brazil"]}, "IPCC_regions": {"name": "IPCC regions", "description": "List of all IPCC regions affected", "value": ["S.E.South-America", "South-American-Monsoon"]}, "continents_affected": {"name": "Continents affected", "description": "List of all continents affected", "value": ["South 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": -17.0}, "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": 302.0}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "302.0\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 299.75}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 303.75}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": -20.75}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": -15.75}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2020-01-09T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-59.03, -15.97], [-58.5, -15.75], [-57.97, -15.97], [-57.82, -16.32], [-57.47, -16.47], [-57.25, -17.0], [-57.47, -17.53], [-58.0, -17.75], [-58.25, -17.65], [-58.5, -17.75], [-59.03, -17.53], [-59.25, -17.0], [-59.15, -16.75], [-59.25, -16.5], [-59.03, -15.97]]]]}, "2020-01-10T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-60.75, -16.0], [-60.53, -15.47], [-60.0, -15.25], [-59.47, -15.47], [-59.32, -15.82], [-59.25, -15.85], [-59.18, -15.82], [-59.03, -15.47], [-58.5, -15.25], [-58.25, -15.35], [-58.0, -15.25], [-57.47, -15.47], [-57.32, -15.82], [-57.25, -15.85], [-57.0, -15.75], [-56.47, -15.97], [-56.25, -16.5], [-56.35, -16.75], [-56.25, -17.0], [-56.35, -17.25], [-56.32, -17.32], [-55.97, -17.47], [-55.75, -18.0], [-55.85, -18.25], [-55.75, -18.5], [-55.97, -19.03], [-56.5, -19.25], [-56.75, -19.15], [-56.82, -19.18], [-56.96, -19.5], [-56.75, -20.0], [-56.97, -20.53], [-57.32, -20.68], [-57.47, -21.03], [-58.0, -21.25], [-58.53, -21.03], [-58.75, -20.5], [-58.65, -20.25], [-58.68, -20.18], [-59.03, -20.03], [-59.25, -19.5], [-59.15, -19.25], [-59.18, -19.18], [-59.53, -19.03], [-59.75, -18.5], [-59.54, -18.0], [-59.68, -17.68], [-60.03, -17.53], [-60.25, -17.0], [-60.15, -16.75], [-60.18, -16.68], [-60.53, -16.53], [-60.75, -16.0]]]]}, "2020-01-11T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-60.75, -16.0], [-60.53, -15.47], [-60.0, -15.25], [-59.47, -15.47], [-59.32, -15.82], [-59.25, -15.85], [-59.18, -15.82], [-59.03, -15.47], [-58.5, -15.25], [-58.25, -15.35], [-58.0, -15.25], [-57.47, -15.47], [-57.32, -15.82], [-57.25, -15.85], [-57.0, -15.75], [-56.47, -15.97], [-56.25, -16.5], [-56.35, -16.75], [-56.25, -17.0], [-56.35, -17.25], [-56.32, -17.32], [-55.97, -17.47], [-55.75, -18.0], [-55.85, -18.25], [-55.75, -18.5], [-55.97, -19.03], [-56.5, -19.25], [-56.75, -19.15], [-56.82, -19.18], [-56.96, -19.5], [-56.75, -20.0], [-56.97, -20.53], [-57.32, -20.68], [-57.47, -21.03], [-58.0, -21.25], [-58.53, -21.03], [-58.75, -20.5], [-58.65, -20.25], [-58.68, -20.18], [-59.03, -20.03], [-59.25, -19.5], [-59.15, -19.25], [-59.18, -19.18], [-59.53, -19.03], [-59.75, -18.5], [-59.54, -18.0], [-59.68, -17.68], [-60.03, -17.53], [-60.25, -17.0], [-60.15, -16.75], [-60.18, -16.68], [-60.53, -16.53], [-60.75, -16.0]]]]}, "2020-01-12T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-60.75, -16.0], [-60.53, -15.47], [-60.0, -15.25], [-59.47, -15.47], [-59.32, -15.82], [-59.25, -15.85], [-59.18, -15.82], [-59.03, -15.47], [-58.5, -15.25], [-58.25, -15.35], [-58.0, -15.25], [-57.47, -15.47], [-57.32, -15.82], [-57.25, -15.85], [-57.0, -15.75], [-56.47, -15.97], [-56.25, -16.5], [-56.35, -16.75], [-56.25, -17.0], [-56.35, -17.25], [-56.32, -17.32], [-55.97, -17.47], [-55.75, -18.0], [-55.85, -18.25], [-55.75, -18.5], [-55.97, -19.03], [-56.5, -19.25], [-56.75, -19.15], [-56.82, -19.18], [-56.96, -19.5], [-56.75, -20.0], [-56.97, -20.53], [-57.32, -20.68], [-57.47, -21.03], [-58.0, -21.25], [-58.53, -21.03], [-58.75, -20.5], [-58.65, -20.25], [-58.68, -20.18], [-59.03, -20.03], [-59.25, -19.5], [-59.15, -19.25], [-59.18, -19.18], [-59.53, -19.03], [-59.75, -18.5], [-59.54, -18.0], [-59.68, -17.68], [-60.03, -17.53], [-60.25, -17.0], [-60.15, -16.75], [-60.18, -16.68], [-60.53, -16.53], [-60.75, -16.0]]]]}}}, "max_amp": {"name": "Maximum anomaly amplitude", "description": "Maximum t2m anomaly recorded over entire duration", "value": 4.066517104648199}, "mean_amp": {"name": "Mean anomaly amplitude", "description": "Mean t2m anomaly over entire duration", "value": 2.55945956334224}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [29.79324080938892, 30.104430316850312, 30.563322967483032, 30.14577607929101]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [29.881695435365202, 31.799708715662803, 32.79382694090265, 31.60724775707166]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [1.979972182157231, 2.4128991656328305, 2.86123089121204, 2.451234096521174]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [2.0574361921979403, 3.182523891479889, 4.066517104648199, 2.990379630845098]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.4181760866159159, 1.600163059936707, 1.905749995159481, 1.6587184821292262]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [1.4556919870008311, 2.2426087367975014, 2.5006837563450937, 2.2348667151215627]}}