{"version_information": {"version": "det_AHW_tail10.0_v1.2", "compiled_date": "2026-06-27 18:21:28.713790", "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-Sep-08_to_2020-Sep-13_311.5_-19.5"}, "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": 2020090001366}, "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 08 2020"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "September 13 2020"}, "duration": {"name": "Duration", "description": "Time elapsed (days) from the start date to the end date", "value": 6}, "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": 61604.85053349115}, "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"]}, "IPCC_regions": {"name": "IPCC regions", "description": "List of all IPCC regions affected", "value": ["N.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": -19.5}, "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": 311.5}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "311.5\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 308.25}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 311.75}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": -19.75}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": -16.75}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2020-09-08T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-52.03, -18.03], [-52.25, -17.5], [-52.03, -16.97], [-51.5, 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"MultiPolygon", "coordinates": [[[[-52.03, -17.47], [-51.5, -17.25], [-51.25, -17.35], [-51.0, -17.25], [-50.7, -17.38], [-50.53, -16.97], [-50.0, -16.75], [-49.47, -16.97], [-49.25, -17.5], [-49.35, -17.75], [-49.25, -18.0], [-49.35, -18.25], [-49.32, -18.32], [-49.25, -18.35], [-49.0, -18.25], [-48.47, -18.47], [-48.32, -18.82], [-47.97, -18.97], [-47.75, -19.5], [-47.97, -20.03], [-48.5, -20.25], [-48.75, -20.15], [-49.0, -20.25], [-49.53, -20.03], [-49.68, -19.68], [-49.75, -19.65], [-50.0, -19.75], [-50.25, -19.65], [-50.5, -19.75], [-50.75, -19.65], [-51.0, -19.75], [-51.53, -19.53], [-51.68, -19.18], [-52.03, -19.03], [-52.25, -18.5], [-52.15, -18.25], [-52.25, -18.0], [-52.03, -17.47]]]]}, "2020-09-13T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-52.03, -19.03], [-52.25, -18.5], [-52.03, -17.97], [-51.5, -17.75], [-51.25, -17.85], [-51.0, -17.75], [-50.47, -17.97], [-50.25, -18.5], [-50.47, -19.03], [-51.0, -19.25], [-51.25, -19.15], [-51.5, -19.25], [-52.03, -19.03]]]]}}}, "max_amp": {"name": "Maximum anomaly amplitude", "description": "Maximum t2m anomaly recorded over entire duration", "value": 4.0838633418525205}, "mean_amp": {"name": "Mean anomaly amplitude", "description": "Mean t2m anomaly over entire duration", "value": 3.0972084616154807}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [28.503205802917705, 28.681738663440797, 28.98570453967676, 29.23867793271984, 29.238044804763263, 29.023531491656854]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [29.971168845026057, 30.162078794614956, 30.383834805543756, 30.66776241160869, 30.593763829223064, 29.196341356029336]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [2.830568434825538, 3.00224716126612, 3.109320100966857, 3.309018626599805, 3.118314631863268, 3.1207152547054875]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [3.366507510983638, 3.5381282149351136, 3.830802033613452, 4.0838633418525205, 3.5116365026675, 3.1455073483563183]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.215672797703829, 1.2636882497556077, 1.2653063981994885, 1.342597157805306, 1.2406205963221064, 1.1878681885877143]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [1.401247248005704, 1.4540405956856317, 1.4351885911935673, 1.537780842281616, 1.3399803022191838, 1.1906293479747592]}}