{"version_information": {"version": "det_AHW_tail10.0_v1.1", "compiled_date": "2026-07-16 09:02:22.394365", "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": "2015-Feb-12_to_2015-Feb-14_303.0_1.0"}, "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": 2015020001824}, "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": "February 12 2015"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "February 14 2015"}, "duration": {"name": "Duration", "description": "Time elapsed (days) from the start date to the end date", "value": 3}, "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": 58721.535294222005}, "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", "Guyana", "Suriname"]}, "IPCC_regions": {"name": "IPCC regions", "description": "List of all IPCC regions affected", "value": ["N.South-America"]}, "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": 1.0}, "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": 303.0}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "303.0\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 301.25}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 304.25}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": -0.25}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": 2.25}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2015-02-12T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-59.03, 1.53], [-58.5, 1.75], [-58.0, 1.54], [-57.68, 1.68], [-57.65, 1.75], [-57.75, 2.0], [-57.53, 2.53], [-57.0, 2.75], [-56.75, 2.65], [-56.5, 2.75], [-55.97, 2.53], [-55.75, 2.0], [-55.85, 1.75], [-55.82, 1.68], [-55.47, 1.53], [-55.25, 1.0], [-55.35, 0.75], [-55.25, 0.5], [-55.35, 0.25], [-55.25, 0.0], [-55.47, -0.53], [-56.0, -0.75], [-56.25, -0.65], [-56.5, -0.75], [-56.75, -0.65], [-57.0, -0.75], [-57.25, -0.65], [-57.5, -0.75], [-58.03, -0.53], [-58.18, -0.18], [-58.25, -0.15], [-58.5, -0.25], [-59.03, -0.03], [-59.25, 0.5], [-59.15, 0.75], [-59.25, 1.0], [-59.03, 1.53]]]]}, "2015-02-13T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-59.03, 1.53], [-58.5, 1.75], [-58.0, 1.54], [-57.68, 1.68], [-57.65, 1.75], [-57.75, 2.0], [-57.53, 2.53], [-57.0, 2.75], [-56.75, 2.65], [-56.5, 2.75], [-55.97, 2.53], [-55.75, 2.0], [-55.85, 1.75], [-55.82, 1.68], [-55.47, 1.53], [-55.25, 1.0], [-55.35, 0.75], [-55.25, 0.5], [-55.35, 0.25], [-55.25, 0.0], [-55.47, -0.53], [-56.0, -0.75], [-56.25, -0.65], [-56.5, -0.75], [-56.75, -0.65], [-57.0, -0.75], [-57.25, -0.65], [-57.5, -0.75], [-58.03, -0.53], [-58.18, -0.18], [-58.25, -0.15], [-58.5, -0.25], [-59.03, -0.03], [-59.25, 0.5], [-59.15, 0.75], [-59.25, 1.0], [-59.03, 1.53]]]]}, "2015-02-14T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-59.03, 1.53], [-58.5, 1.75], [-58.0, 1.54], [-57.68, 1.68], [-57.65, 1.75], [-57.75, 2.0], [-57.53, 2.53], [-57.0, 2.75], [-56.75, 2.65], [-56.5, 2.75], [-55.97, 2.53], [-55.75, 2.0], [-55.85, 1.75], [-55.82, 1.68], [-55.47, 1.53], [-55.25, 1.0], [-55.35, 0.75], [-55.25, 0.5], [-55.35, 0.25], [-55.25, 0.0], [-55.47, -0.53], [-56.0, -0.75], [-56.25, -0.65], [-56.5, -0.75], [-56.75, -0.65], [-57.0, -0.75], [-57.25, -0.65], [-57.5, -0.75], [-58.03, -0.53], [-58.18, -0.18], [-58.25, -0.15], [-58.5, -0.25], [-59.03, -0.03], [-59.25, 0.5], [-59.15, 0.75], [-59.25, 1.0], [-59.03, 1.53]]]]}}}, "max_amp": {"name": "Maximum anomaly amplitude", "description": "Maximum t2m anomaly recorded over entire duration", "value": 2.608353935139803}, "mean_amp": {"name": "Mean anomaly amplitude", "description": "Mean t2m anomaly over entire duration", "value": 1.95402248129562}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [26.97213822154822, 27.004784005297097, 27.14022494547345]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [27.626646012553408, 27.859431888710617, 27.779092973457807]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [1.8285042142659664, 1.9270679268995776, 2.106495302721316]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [2.3164512253100042, 2.2113740827088577, 2.608353935139803]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.6431606803306886, 1.733916633632538, 1.847523845079917]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [2.20286528973969, 2.0595478483735246, 2.114485493024221]}}