{"version_information": {"version": "det_AHW_tail10.0_v1.2", "compiled_date": "2026-06-27 18:30:44.980821", "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": "2022-Apr-12_to_2022-Apr-18_323.5_-8.5"}, "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": 2022040001698}, "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": "April 12 2022"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "April 18 2022"}, "duration": {"name": "Duration", "description": "Time elapsed (days) from the start date to the end date", "value": 7}, "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": 384469.40476407437}, "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": ["Equatorial.Atlantic-Ocean", "N.E.South-America", "S.Atlantic-Ocean"]}, "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": ["South Atlantic Ocean"]}, "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": -8.5}, "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": 323.5}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "323.5\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 321.25}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 330.75}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": -15.75}, "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": {"2022-04-12T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-39.03, -12.97], [-38.5, -12.75], [-38.07, -12.93], [-38.25, -12.5], [-38.03, -11.97], [-37.5, -11.75], [-36.97, -11.97], [-36.75, -12.5], [-36.97, -13.03], [-37.5, -13.25], [-37.93, -13.07], [-37.75, -13.5], [-37.85, -13.75], [-37.75, -14.0], [-37.97, -14.53], [-38.5, -14.75], [-39.03, -14.53], [-39.25, -14.0], [-39.15, -13.75], [-39.25, -13.5], [-39.03, -12.97]]]]}, "2022-04-13T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-38.5, -12.75], [-38.25, -12.85], [-38.18, -12.82], [-38.15, -12.75], [-38.25, -12.5], [-38.15, -12.25], [-38.25, -12.0], [-38.03, -11.47], [-37.68, -11.32], [-37.53, -10.97], [-37.0, -10.75], [-36.47, -10.97], [-36.25, -11.5], [-36.35, -11.75], [-36.25, -12.0], [-36.35, -12.25], [-36.25, -12.5], [-36.35, -12.75], [-36.32, -12.82], [-35.97, -12.97], [-35.82, -13.32], [-35.47, -13.47], [-35.32, -13.82], [-34.97, -13.97], [-34.82, -14.32], [-34.75, -14.35], [-34.5, -14.25], [-33.97, -14.47], [-33.75, -15.0], [-33.97, -15.53], [-34.5, -15.75], [-34.75, -15.65], [-35.0, -15.75], [-35.53, -15.53], [-35.68, -15.18], [-35.75, -15.15], [-36.0, -15.25], [-36.25, -15.15], [-36.5, -15.25], [-36.75, -15.15], [-37.0, -15.25], [-37.25, -15.15], [-37.5, -15.25], [-38.03, -15.03], [-38.18, -14.68], [-38.25, -14.65], [-38.5, -14.75], [-39.03, -14.53], [-39.25, -14.0], [-39.15, -13.75], [-39.25, -13.5], [-39.03, -12.97], [-38.5, -12.75]]], [[[-37.0, -9.25], [-36.47, -9.47], [-36.25, -10.0], [-36.47, -10.53], [-37.0, -10.75], [-37.53, -10.53], [-37.75, -10.0], [-37.53, -9.47], [-37.0, -9.25]]], [[[-35.97, -7.47], [-35.75, -8.0], [-35.85, -8.25], [-35.75, -8.5], [-35.97, -9.03], [-36.5, -9.25], [-37.03, -9.03], [-37.25, -8.5], [-37.15, -8.25], [-37.25, -8.0], [-37.03, -7.47], [-36.5, -7.25], [-35.97, -7.47]]]]}, "2022-04-14T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-33.53, -12.53], [-33.75, -12.0], [-33.53, -11.47], [-33.0, -11.25], [-32.47, -11.47], [-32.25, -12.0], [-32.47, -12.53], [-33.0, -12.75], [-33.53, -12.53]]], [[[-38.25, -12.85], [-38.18, -12.82], [-38.15, -12.75], [-38.25, -12.5], [-38.15, -12.25], [-38.25, -12.0], [-38.04, -11.5], [-38.18, -11.18], [-38.53, -11.03], [-38.75, -10.5], [-38.65, -10.25], [-38.75, -10.0], [-38.65, -9.75], [-38.75, -9.5], [-38.53, -8.97], [-38.0, -8.75], [-37.75, -8.85], [-37.68, -8.82], [-37.65, -8.75], [-37.75, -8.5], [-37.53, -7.97], [-37.18, -7.82], [-37.04, -7.5], [-37.25, -7.0], [-37.03, -6.47], [-36.5, -6.25], [-36.25, -6.35], [-36.0, -6.25], [-35.47, -6.47], [-35.25, -7.0], [-35.35, -7.25], [-35.25, -7.5], [-35.46, -8.0], [-35.3, -8.38], [-35.18, -8.32], [-35.03, -7.97], [-34.5, -7.75], [-34.25, -7.85], [-34.0, -7.75], [-33.75, -7.85], [-33.5, -7.75], [-32.97, -7.97], [-32.75, -8.5], [-32.85, -8.75], [-32.75, -9.0], [-32.97, -9.53], [-33.32, -9.68], [-33.35, -9.75], [-33.25, -10.0], [-33.47, -10.53], [-33.82, -10.68], [-33.85, -10.75], [-33.75, -11.0], [-33.97, -11.53], [-34.5, -11.75], [-34.75, -11.65], [-35.0, -11.75], [-35.25, -11.65], [-35.32, -11.68], [-35.35, -11.75], [-35.25, -12.0], [-35.35, -12.25], [-35.25, -12.5], [-35.35, -12.75], [-35.25, -13.0], [-35.35, -13.25], [-35.32, -13.32], [-34.97, -13.47], [-34.82, -13.82], [-34.47, -13.97], [-34.32, -14.32], [-33.97, -14.47], [-33.75, -15.0], [-33.85, -15.25], [-33.75, -15.5], [-33.97, -16.03], [-34.5, -16.25], [-35.03, -16.03], [-35.18, -15.68], [-35.53, -15.53], [-35.68, -15.18], [-35.75, -15.15], [-36.0, -15.25], [-36.25, -15.15], [-36.5, -15.25], [-36.75, -15.15], [-37.0, -15.25], [-37.25, -15.15], [-37.5, -15.25], [-38.03, -15.03], [-38.18, -14.68], [-38.25, -14.65], [-38.5, -14.75], [-39.03, -14.53], [-39.25, -14.0], [-39.15, -13.75], [-39.25, -13.5], [-39.03, -12.97], [-38.5, -12.75], [-38.25, -12.85]]], [[[-31.03, -9.97], [-30.5, -9.75], [-30.25, -9.85], [-30.0, -9.75], [-29.75, -9.85], [-29.5, -9.75], [-28.97, -9.97], [-28.75, -10.5], [-28.97, -11.03], [-29.5, -11.25], [-29.75, -11.15], [-30.0, -11.25], [-30.25, -11.15], [-30.5, -11.25], [-31.03, -11.03], [-31.25, -10.5], [-31.03, -9.97]]]]}, "2022-04-15T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-39.03, -12.97], [-38.5, -12.75], [-38.25, -12.85], [-38.18, -12.82], [-38.15, -12.75], [-38.25, -12.5], [-38.15, -12.25], [-38.25, -12.0], [-38.04, -11.5], [-38.18, -11.18], [-38.53, -11.03], [-38.75, -10.5], [-38.65, -10.25], [-38.75, -10.0], [-38.65, -9.75], [-38.75, -9.5], [-38.53, -8.97], [-38.0, -8.75], [-37.75, -8.85], [-37.68, -8.82], [-37.65, -8.75], [-37.75, -8.5], [-37.53, -7.97], [-37.18, -7.82], [-37.04, -7.5], [-37.25, -7.0], [-37.03, -6.47], [-36.5, -6.25], [-36.25, -6.35], [-36.0, -6.25], [-35.47, -6.47], [-35.25, -7.0], [-35.35, -7.25], [-35.25, -7.5], [-35.46, -8.0], [-35.3, -8.38], [-35.18, -8.32], [-35.03, -7.97], [-34.5, -7.75], [-34.25, -7.85], [-34.0, -7.75], [-33.75, -7.85], [-33.5, -7.75], [-32.97, -7.97], [-32.75, -8.5], [-32.85, -8.75], [-32.75, -9.0], [-32.97, -9.53], [-33.32, -9.68], [-33.35, -9.75], [-33.25, -10.0], [-33.47, -10.53], [-33.82, -10.68], [-33.85, -10.75], [-33.8, -10.88], [-33.5, -10.75], [-33.25, -10.85], [-33.0, -10.75], [-32.75, -10.85], [-32.68, -10.82], [-32.53, -10.47], [-32.0, -10.25], [-31.75, -10.35], [-31.68, -10.32], [-31.53, -9.97], [-31.0, -9.75], [-30.75, -9.85], [-30.5, -9.75], [-30.25, -9.85], [-30.0, -9.75], [-29.75, -9.85], [-29.5, -9.75], [-28.97, -9.97], [-28.75, -10.5], [-28.96, -11.0], [-28.75, -11.5], [-28.85, -11.75], [-28.75, -12.0], [-28.97, -12.53], [-29.5, -12.75], [-29.75, -12.65], [-30.0, -12.75], [-30.25, -12.65], [-30.5, -12.75], [-31.0, -12.54], [-31.32, -12.68], [-31.35, -12.75], [-31.25, -13.0], [-31.47, -13.53], [-31.82, -13.68], [-31.85, -13.75], [-31.75, -14.0], [-31.97, -14.53], [-32.32, -14.68], [-32.47, -15.03], [-33.0, -15.25], [-33.25, -15.15], [-33.5, -15.25], [-33.75, -15.15], [-33.82, -15.18], [-33.85, -15.25], [-33.75, -15.5], [-33.97, -16.03], [-34.5, -16.25], [-35.03, -16.03], [-35.18, -15.68], [-35.53, -15.53], [-35.68, -15.18], [-35.75, -15.15], [-36.0, -15.25], [-36.25, -15.15], [-36.5, -15.25], [-36.75, -15.15], [-37.0, -15.25], [-37.25, -15.15], [-37.5, -15.25], [-38.03, -15.03], [-38.18, -14.68], [-38.25, -14.65], [-38.5, -14.75], [-39.03, -14.53], [-39.25, -14.0], [-39.15, -13.75], [-39.25, -13.5], [-39.03, -12.97]], [[-34.18, -13.68], [-34.53, -13.53], [-34.75, -13.0], [-34.65, -12.75], [-34.75, -12.5], [-34.65, -12.25], [-34.75, -12.0], [-34.62, -11.7], [-34.75, -11.65], [-35.0, -11.75], [-35.25, -11.65], [-35.32, -11.68], [-35.35, -11.75], [-35.25, -12.0], [-35.35, -12.25], [-35.25, -12.5], [-35.35, -12.75], [-35.25, -13.0], [-35.35, -13.25], [-35.32, -13.32], [-34.97, -13.47], [-34.82, -13.82], [-34.5, -13.96], [-34.12, -13.8], [-34.18, -13.68]]]]}, "2022-04-16T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-38.65, -9.75], [-38.75, -9.5], [-38.53, -8.97], [-38.0, -8.75], [-37.75, -8.85], [-37.68, -8.82], [-37.65, -8.75], [-37.75, -8.5], [-37.53, -7.97], [-37.18, -7.82], [-37.04, -7.5], [-37.25, -7.0], [-37.03, -6.47], [-36.5, -6.25], [-36.25, -6.35], [-36.0, -6.25], [-35.47, -6.47], [-35.25, -7.0], [-35.35, -7.25], [-35.25, -7.5], [-35.46, -8.0], [-35.3, -8.38], [-35.18, -8.32], [-35.03, -7.97], [-34.5, -7.75], [-34.25, -7.85], [-34.0, -7.75], [-33.75, -7.85], [-33.5, -7.75], [-32.97, -7.97], [-32.75, -8.5], [-32.85, -8.75], [-32.75, -9.0], [-32.97, -9.53], [-33.32, -9.68], [-33.35, -9.75], [-33.25, -10.0], [-33.47, -10.53], [-33.82, -10.68], [-33.85, -10.75], [-33.8, -10.88], [-33.5, -10.75], [-33.25, -10.85], [-33.0, -10.75], [-32.75, -10.85], [-32.68, -10.82], [-32.53, -10.47], [-32.0, -10.25], [-31.75, -10.35], [-31.68, -10.32], [-31.53, -9.97], [-31.0, -9.75], [-30.75, -9.85], [-30.5, -9.75], [-30.25, -9.85], [-30.0, -9.75], [-29.75, -9.85], [-29.5, -9.75], [-28.97, -9.97], [-28.75, -10.5], [-28.96, -11.0], [-28.75, -11.5], [-28.85, -11.75], [-28.75, -12.0], [-28.97, -12.53], [-29.5, -12.75], [-29.75, -12.65], [-30.0, -12.75], [-30.25, -12.65], [-30.5, -12.75], [-31.0, -12.54], [-31.32, -12.68], [-31.35, -12.75], [-31.25, -13.0], [-31.47, -13.53], [-31.82, -13.68], [-31.85, -13.75], [-31.75, -14.0], [-31.97, -14.53], [-32.32, -14.68], [-32.47, -15.03], [-33.0, -15.25], [-33.25, -15.15], [-33.5, -15.25], [-33.75, -15.15], [-33.82, -15.18], [-33.85, -15.25], [-33.75, -15.5], [-33.97, -16.03], [-34.5, -16.25], [-35.03, -16.03], [-35.18, -15.68], [-35.53, -15.53], [-35.68, -15.18], [-36.03, -15.03], [-36.18, -14.68], [-36.25, -14.65], [-36.5, -14.75], [-37.03, -14.53], [-37.25, -14.0], [-37.15, -13.75], [-37.25, -13.5], [-37.15, -13.25], [-37.18, -13.18], [-37.25, -13.15], [-37.5, -13.25], [-38.03, -13.03], [-38.25, -12.5], [-38.15, -12.25], [-38.25, -12.0], [-38.04, -11.5], [-38.18, -11.18], [-38.53, -11.03], [-38.75, -10.5], [-38.65, -10.25], [-38.75, -10.0], [-38.65, -9.75]], [[-35.35, -12.75], [-35.25, -13.0], [-35.35, -13.25], [-35.32, -13.32], [-34.97, -13.47], [-34.82, -13.82], [-34.5, -13.96], [-34.12, -13.8], [-34.18, -13.68], [-34.53, -13.53], [-34.75, -13.0], [-34.65, -12.75], [-34.75, -12.5], [-34.65, -12.25], [-34.75, -12.0], [-34.62, -11.7], [-34.75, -11.65], [-35.0, -11.75], [-35.25, -11.65], [-35.32, -11.68], [-35.35, -11.75], [-35.25, -12.0], [-35.35, -12.25], [-35.25, -12.5], [-35.35, -12.75]]]]}, "2022-04-17T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-34.75, -12.0], [-34.53, -11.47], [-34.18, -11.32], [-34.03, -10.97], [-33.5, -10.75], [-33.25, -10.85], [-33.0, -10.75], [-32.75, -10.85], [-32.68, -10.82], [-32.53, -10.47], [-32.0, -10.25], [-31.75, -10.35], [-31.68, -10.32], [-31.53, -9.97], [-31.0, -9.75], [-30.47, -9.97], [-30.32, -10.32], [-29.97, -10.47], [-29.82, -10.82], [-29.75, -10.85], [-29.5, -10.75], [-28.97, -10.97], [-28.75, -11.5], [-28.85, -11.75], [-28.75, -12.0], [-28.97, -12.53], [-29.5, -12.75], [-29.75, -12.65], [-30.0, -12.75], [-30.25, -12.65], [-30.5, -12.75], [-31.0, -12.54], [-31.32, -12.68], [-31.35, -12.75], [-31.25, -13.0], [-31.47, -13.53], [-31.82, -13.68], [-31.85, -13.75], [-31.75, -14.0], [-31.97, -14.53], [-32.32, -14.68], [-32.47, -15.03], [-33.0, -15.25], [-33.25, -15.15], [-33.5, -15.25], [-33.75, -15.15], [-34.0, -15.25], [-34.53, -15.03], [-34.75, -14.5], [-34.53, -13.97], [-34.12, -13.8], [-34.18, -13.68], [-34.53, -13.53], [-34.75, -13.0], [-34.65, -12.75], [-34.75, -12.5], [-34.65, -12.25], [-34.75, -12.0]]], [[[-37.53, -7.97], [-37.0, -7.75], [-36.75, -7.85], [-36.5, -7.75], [-36.25, -7.85], [-36.0, -7.75], [-35.47, -7.97], [-35.25, -8.5], [-35.35, -8.75], [-35.25, -9.0], [-35.35, -9.25], [-35.25, -9.5], [-35.47, -10.03], [-36.0, -10.25], [-36.53, -10.03], [-36.68, -9.68], [-37.03, -9.53], [-37.18, -9.18], [-37.53, -9.03], [-37.75, -8.5], [-37.53, -7.97]]]]}, "2022-04-18T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-36.5, -7.75], [-35.97, -7.97], [-35.75, -8.5], [-35.97, -9.03], [-36.5, -9.25], [-37.03, -9.03], [-37.25, -8.5], [-37.03, -7.97], [-36.5, -7.75]]]]}}}, "max_amp": {"name": "Maximum anomaly amplitude", "description": "Maximum t2m anomaly recorded over entire duration", "value": 3.2178818418797164}, "mean_amp": {"name": "Mean anomaly amplitude", "description": "Mean t2m anomaly over entire duration", "value": 1.166939325429894}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [27.58455103776498, 27.446477726045828, 27.68752571867742, 27.872644180907344, 27.71815691697583, 27.19277282373787, 24.599796915156446]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [27.668929514248646, 28.434944681451668, 29.58988468424991, 30.292423875518978, 29.556302357999243, 27.654405350263744, 24.599796915156446]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [1.0820328587580736, 0.9490045954833886, 1.1792681109506562, 1.316592842790218, 1.184468656626638, 0.8131770921152778, 1.0187574571698406]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [1.2596706837321676, 1.2836632690904821, 2.4386766365607855, 3.2178818418797164, 2.4387715331758386, 1.449403815478263, 1.0187574571698406]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.541624441013609, 1.4214213198948817, 1.6742683823811157, 2.059690906946423, 1.8705214880054466, 1.5326829628183365, 1.3013293293499781]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [1.780161157067079, 1.6027255785360413, 2.6060334444859974, 3.5092880497478345, 2.7361712355307963, 1.819663196691896, 1.3013293293499781]}}