{"version_information": {"version": "det_AHW_tail10.0_v1.1", "compiled_date": "2026-07-16 09:13:18.348475", "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": "2018-Jul-13_to_2018-Jul-20_290.5_-7.5"}, "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": 2018070002256}, "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": "July 13 2018"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "July 20 2018"}, "duration": {"name": "Duration", "description": "Time elapsed (days) from the start date to the end date", "value": 8}, "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": 52054.790177619405}, "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.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": -7.5}, "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": 290.5}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "290.5\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 289.75}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 292.25}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": -9.75}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": -6.75}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2018-07-13T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-69.5, -6.75], [-68.97, -6.97], [-68.75, -7.5], [-68.97, -8.03], [-69.5, -8.25], [-70.03, -8.03], [-70.25, -7.5], [-70.03, -6.97], [-69.5, -6.75]]]]}, "2018-07-14T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-69.0, -6.25], [-68.75, -6.35], [-68.5, -6.25], [-68.25, -6.35], [-68.0, -6.25], [-67.47, -6.47], [-67.25, -7.0], [-67.35, -7.25], [-67.25, -7.5], [-67.46, -8.0], [-67.25, -8.5], [-67.47, -9.03], [-68.0, -9.25], [-68.53, -9.03], [-68.68, -8.68], [-69.03, -8.53], [-69.18, -8.18], [-69.25, -8.15], [-69.5, -8.25], [-70.03, -8.03], [-70.25, -7.5], [-70.03, -6.97], [-69.68, -6.82], [-69.53, -6.47], [-69.0, -6.25]]]]}, "2018-07-15T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-70.75, -7.0], [-70.53, -6.47], [-70.0, -6.25], [-69.75, -6.35], [-69.5, -6.25], [-69.25, -6.35], [-69.0, -6.25], [-68.75, -6.35], [-68.5, -6.25], [-68.25, -6.35], [-68.0, -6.25], [-67.47, -6.47], [-67.25, -7.0], [-67.35, -7.25], [-67.25, -7.5], [-67.46, -8.0], [-67.25, -8.5], [-67.47, -9.03], [-68.0, -9.25], [-68.53, -9.03], [-68.68, -8.68], [-68.75, -8.65], [-69.0, -8.75], [-69.53, -8.53], [-69.68, -8.18], [-70.03, -8.03], [-70.18, -7.68], [-70.53, -7.53], [-70.75, -7.0]]]]}, "2018-07-16T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-70.75, -7.0], [-70.53, -6.47], [-70.0, -6.25], [-69.75, -6.35], [-69.5, -6.25], [-69.25, -6.35], [-69.0, -6.25], [-68.75, -6.35], [-68.5, -6.25], [-68.25, -6.35], [-68.0, -6.25], [-67.47, -6.47], [-67.25, -7.0], [-67.35, -7.25], [-67.25, -7.5], [-67.46, -8.0], [-67.25, -8.5], [-67.47, -9.03], [-68.0, -9.25], [-68.53, -9.03], [-68.68, -8.68], [-68.75, -8.65], [-69.0, -8.75], [-69.53, -8.53], [-69.68, -8.18], [-70.03, -8.03], [-70.18, -7.68], [-70.53, -7.53], [-70.75, -7.0]]]]}, "2018-07-17T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-70.75, -7.0], [-70.53, -6.47], [-70.0, -6.25], [-69.75, -6.35], [-69.5, -6.25], [-69.25, -6.35], [-69.0, -6.25], [-68.75, -6.35], [-68.5, -6.25], [-67.97, -6.47], [-67.75, -7.0], [-67.85, -7.25], [-67.75, -7.5], [-67.97, -8.03], [-68.32, -8.18], [-68.47, -8.53], [-69.0, -8.75], [-69.53, -8.53], [-69.68, -8.18], [-70.03, -8.03], [-70.18, -7.68], [-70.53, -7.53], [-70.75, -7.0]]]]}, "2018-07-18T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-70.25, -7.0], [-70.03, -6.47], [-69.5, -6.25], [-69.25, -6.35], [-69.0, -6.25], [-68.75, -6.35], [-68.5, -6.25], [-67.97, -6.47], [-67.75, -7.0], [-67.85, -7.25], [-67.75, -7.5], [-67.96, -8.0], [-67.82, -8.32], [-67.47, -8.47], [-67.25, -9.0], [-67.35, -9.25], [-67.25, -9.5], [-67.47, -10.03], [-68.0, -10.25], [-68.53, -10.03], [-68.75, -9.5], [-68.65, -9.25], [-68.68, -9.18], [-68.75, -9.15], [-69.0, -9.25], [-69.53, -9.03], [-69.7, -8.62], [-70.0, -8.75], [-70.53, -8.53], [-70.75, -8.0], [-70.53, -7.47], [-70.18, -7.32], [-70.15, -7.25], [-70.25, -7.0]]]]}, "2018-07-19T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-69.5, -6.75], [-68.97, -6.97], [-68.82, -7.32], [-68.47, -7.47], [-68.32, -7.82], [-67.97, -7.97], [-67.82, -8.32], [-67.47, -8.47], [-67.25, -9.0], [-67.35, -9.25], [-67.25, -9.5], [-67.47, -10.03], [-68.0, -10.25], [-68.53, -10.03], [-68.75, -9.5], [-68.65, -9.25], [-68.68, -9.18], [-68.75, -9.15], [-69.0, -9.25], [-69.53, -9.03], [-69.7, -8.62], [-70.0, -8.75], [-70.53, -8.53], [-70.75, -8.0], [-70.53, -7.47], [-70.18, -7.32], [-70.03, -6.97], [-69.5, -6.75]]]]}, "2018-07-20T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-69.5, -6.75], [-68.97, -6.97], [-68.75, -7.5], [-68.87, -7.8], [-68.75, -7.85], [-68.5, -7.75], [-67.97, -7.97], [-67.82, -8.32], [-67.47, -8.47], [-67.25, -9.0], [-67.35, -9.25], [-67.25, -9.5], [-67.47, -10.03], [-68.0, -10.25], [-68.53, -10.03], [-68.75, -9.5], [-68.65, -9.25], [-68.68, -9.18], [-68.75, -9.15], [-69.0, -9.25], [-69.53, -9.03], [-69.7, -8.62], [-70.0, -8.75], [-70.53, -8.53], [-70.75, -8.0], [-70.53, -7.47], [-70.18, -7.32], [-70.03, -6.97], [-69.5, -6.75]]]]}}}, "max_amp": {"name": "Maximum anomaly amplitude", "description": "Maximum t2m anomaly recorded over entire duration", "value": 2.757148190774217}, "mean_amp": {"name": "Mean anomaly amplitude", "description": "Mean t2m anomaly over entire duration", "value": 2.0002052248533135}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [26.102747139919074, 26.45462023266691, 26.356170908623028, 26.67347917778858, 26.5665648339442, 26.48037690680775, 26.61773274194735, 26.473590565016195]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [26.102747139919074, 26.852807739739717, 26.63237293996974, 27.206335248804464, 27.112172156978318, 26.784597726225968, 26.801234314887836, 26.731111093678066]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [1.7441713485279706, 1.919634075531576, 1.8480469774329815, 2.1938316679735457, 2.063378098375786, 1.9687896329760974, 2.117946748692223, 1.922033444736087]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [1.7441713485279706, 2.3596303278783353, 2.105320480583657, 2.757148190774217, 2.568125155155826, 2.2245197341856624, 2.352282747006768, 2.104591885691889]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.0079486398939321, 1.1223362120353966, 1.0598610847889371, 1.2100820291778396, 1.1287967381604043, 1.0481930743156784, 1.1270705331974893, 1.0625399638749686]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [1.0079486398939321, 1.380230563683274, 1.1841102399060501, 1.5198580934833863, 1.4290014663509987, 1.2650237439373246, 1.2746978365843513, 1.250474937183633]}}