{"version_information": {"version": "det_AHW_tail10.0_v1.1", "compiled_date": "2026-07-16 08:44:10.641677", "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": "2010-Feb-19_to_2010-Feb-21_306.5_-29.5"}, "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": 2010020001823}, "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 19 2010"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "February 21 2010"}, "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": 54324.87548246968}, "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": ["Argentina", "Brazil", "Paraguay"]}, "IPCC_regions": {"name": "IPCC regions", "description": "List of all IPCC regions affected", "value": ["S.E.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": -29.5}, "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": 306.5}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "306.5\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 303.75}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 306.75}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": -29.75}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": -26.75}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2010-02-19T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-56.53, -26.97], [-56.18, -26.82], [-56.03, -26.47], [-55.5, -26.25], [-54.97, -26.47], [-54.82, -26.82], [-54.47, -26.97], [-54.32, -27.32], [-54.25, -27.35], [-54.0, -27.25], [-53.47, -27.47], [-53.25, -28.0], [-53.35, -28.25], [-53.25, -28.5], [-53.35, -28.75], [-53.32, -28.82], [-52.97, -28.97], [-52.75, -29.5], [-52.97, -30.03], [-53.5, -30.25], [-53.75, -30.15], [-54.0, -30.25], [-54.25, -30.15], [-54.5, -30.25], [-54.75, -30.15], [-55.0, -30.25], [-55.25, -30.15], [-55.5, -30.25], [-56.03, -30.03], [-56.25, -29.5], [-56.04, -29.0], [-56.18, -28.68], [-56.53, -28.53], [-56.75, -28.0], [-56.65, -27.75], [-56.75, -27.5], [-56.53, -26.97]]]]}, "2010-02-20T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-56.53, -26.97], [-56.18, -26.82], [-56.03, -26.47], [-55.5, -26.25], [-54.97, -26.47], [-54.82, -26.82], [-54.47, -26.97], [-54.32, -27.32], [-54.25, -27.35], [-54.0, -27.25], [-53.47, -27.47], [-53.25, -28.0], [-53.35, -28.25], [-53.25, -28.5], [-53.35, -28.75], [-53.32, -28.82], [-52.97, -28.97], [-52.75, -29.5], [-52.97, -30.03], [-53.5, -30.25], [-53.75, -30.15], [-54.0, -30.25], [-54.25, -30.15], [-54.5, -30.25], [-54.75, -30.15], [-55.0, -30.25], [-55.25, -30.15], [-55.5, -30.25], [-56.03, -30.03], [-56.25, -29.5], [-56.04, -29.0], [-56.18, -28.68], [-56.53, -28.53], [-56.75, -28.0], [-56.65, -27.75], [-56.75, -27.5], [-56.53, -26.97]]]]}, "2010-02-21T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-56.53, -26.97], [-56.18, -26.82], [-56.03, -26.47], [-55.5, -26.25], [-54.97, -26.47], [-54.82, -26.82], [-54.47, -26.97], [-54.32, -27.32], [-54.25, -27.35], [-54.0, -27.25], [-53.47, -27.47], [-53.25, -28.0], [-53.35, -28.25], [-53.25, -28.5], [-53.35, -28.75], [-53.32, -28.82], [-52.97, -28.97], [-52.75, -29.5], [-52.97, -30.03], [-53.5, -30.25], [-53.75, -30.15], [-54.0, -30.25], [-54.25, -30.15], [-54.5, -30.25], [-54.75, -30.15], [-55.0, -30.25], [-55.25, -30.15], [-55.5, -30.25], [-56.03, -30.03], [-56.25, -29.5], [-56.04, -29.0], [-56.18, -28.68], [-56.53, -28.53], [-56.75, -28.0], [-56.65, -27.75], [-56.75, -27.5], [-56.53, -26.97]]]]}}}, "max_amp": {"name": "Maximum anomaly amplitude", "description": "Maximum t2m anomaly recorded over entire duration", "value": 3.9331314282750327}, "mean_amp": {"name": "Mean anomaly amplitude", "description": "Mean t2m anomaly over entire duration", "value": 3.0458836721192712}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [27.39622526656194, 27.531459205137423, 27.676993338047282]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [28.77673983796643, 28.74913823721863, 28.62176762621141]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [2.8860952081301576, 3.0556340670722535, 3.195921741155402]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [3.2819696893022297, 3.4165279291186152, 3.9331314282750327]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.2506974876754717, 1.3138949862267963, 1.3870934195321183]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [1.3325307951625487, 1.5079583398031444, 1.812950111816069]}}