{"version_information": {"version": "det_AHW_tail10.0_v1.1", "compiled_date": "2026-07-16 08:53:26.970403", "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": "2013-May-16_to_2013-May-23_304.0_-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": 2013050002199}, "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": "May 16 2013"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "May 23 2013"}, "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": 67408.21972324234}, "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": 304.0}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "304.0\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 300.25}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 305.25}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": -8.75}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": -6.25}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2013-05-16T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-56.5, -5.75], [-55.97, -5.97], [-55.75, -6.5], [-55.97, -7.03], [-56.5, -7.25], [-57.03, -7.03], [-57.25, -6.5], [-57.03, -5.97], [-56.5, -5.75]]]]}, "2013-05-17T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-58.53, -8.03], [-58.75, -7.5], [-58.53, -6.97], [-58.0, -6.75], [-57.5, -6.96], [-57.18, -6.82], [-57.15, -6.75], [-57.25, -6.5], [-57.03, -5.97], [-56.5, -5.75], [-55.97, -5.97], [-55.82, -6.32], [-55.75, -6.35], [-55.5, -6.25], [-55.25, -6.35], [-55.0, -6.25], [-54.47, -6.47], [-54.25, -7.0], [-54.35, -7.25], [-54.25, -7.5], [-54.47, -8.03], [-54.87, -8.2], [-54.75, -8.5], [-54.97, -9.03], [-55.5, -9.25], [-56.03, -9.03], [-56.18, -8.68], [-56.25, -8.65], [-56.5, -8.75], [-56.75, -8.65], [-57.0, -8.75], [-57.53, -8.53], [-57.7, -8.12], [-58.0, -8.25], [-58.53, -8.03]]]]}, "2013-05-18T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-58.53, -8.03], [-58.75, -7.5], [-58.53, -6.97], [-58.0, -6.75], [-57.5, -6.96], [-57.18, -6.82], [-57.15, -6.75], [-57.25, -6.5], [-57.03, -5.97], [-56.5, -5.75], [-55.97, -5.97], [-55.82, -6.32], [-55.75, -6.35], [-55.5, -6.25], [-55.25, -6.35], [-55.0, -6.25], [-54.47, -6.47], [-54.25, -7.0], [-54.35, -7.25], [-54.25, -7.5], [-54.47, -8.03], [-54.87, -8.2], [-54.75, -8.5], [-54.97, -9.03], [-55.5, -9.25], [-56.03, -9.03], [-56.18, -8.68], [-56.25, -8.65], [-56.5, -8.75], [-56.75, -8.65], [-57.0, -8.75], [-57.53, -8.53], [-57.7, -8.12], [-58.0, -8.25], [-58.53, -8.03]]]]}, "2013-05-19T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-60.25, -7.0], [-60.03, -6.47], [-59.5, -6.25], [-59.25, -6.35], [-59.0, -6.25], [-58.47, -6.47], [-58.3, -6.88], [-58.0, -6.75], [-57.5, -6.96], [-57.18, -6.82], [-57.03, -6.47], [-56.5, -6.25], [-56.25, -6.35], [-56.0, -6.25], [-55.75, -6.35], [-55.5, -6.25], [-55.25, -6.35], [-55.0, -6.25], [-54.47, -6.47], [-54.25, -7.0], [-54.35, -7.25], [-54.25, -7.5], [-54.47, -8.03], [-54.87, -8.2], [-54.75, -8.5], [-54.97, -9.03], [-55.5, -9.25], [-56.0, -9.04], [-56.5, -9.25], [-57.03, -9.03], [-57.18, -8.68], [-57.25, -8.65], [-57.5, -8.75], [-57.8, -8.62], [-57.97, -9.03], [-58.5, -9.25], [-59.03, -9.03], [-59.25, -8.5], [-59.15, -8.25], [-59.18, -8.18], [-59.53, -8.03], [-59.68, -7.68], [-60.03, -7.53], [-60.25, -7.0]]]]}, "2013-05-20T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-60.25, -7.0], [-60.03, -6.47], [-59.5, -6.25], [-59.25, -6.35], [-59.0, -6.25], [-58.47, -6.47], [-58.25, -7.0], [-58.35, -7.25], [-58.32, -7.32], [-58.0, -7.46], [-57.5, -7.25], [-57.25, -7.35], [-57.0, -7.25], [-56.7, -7.38], [-56.53, -6.97], [-56.0, -6.75], [-55.47, -6.97], [-55.25, -7.5], [-55.47, -8.03], [-55.87, -8.2], [-55.75, -8.5], [-55.97, -9.03], [-56.5, -9.25], [-57.03, -9.03], [-57.18, -8.68], [-57.25, -8.65], [-57.5, -8.75], [-57.8, -8.62], [-57.97, -9.03], [-58.5, -9.25], [-59.03, -9.03], [-59.25, -8.5], [-59.15, -8.25], [-59.18, -8.18], [-59.53, -8.03], [-59.68, -7.68], [-60.03, -7.53], [-60.25, -7.0]]]]}, "2013-05-21T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-60.25, -7.0], [-60.03, -6.47], [-59.5, -6.25], [-59.25, -6.35], [-59.0, -6.25], [-58.47, -6.47], [-58.25, -7.0], [-58.35, -7.25], [-58.32, -7.32], [-58.0, -7.46], [-57.5, -7.25], [-57.25, -7.35], [-57.18, -7.32], [-57.03, -6.97], [-56.5, -6.75], [-56.25, -6.85], [-56.0, -6.75], [-55.47, -6.97], [-55.25, -7.5], [-55.47, -8.03], [-55.87, -8.2], [-55.75, -8.5], [-55.97, -9.03], [-56.5, -9.25], [-57.03, -9.03], [-57.18, -8.68], [-57.25, -8.65], [-57.5, -8.75], [-57.8, -8.62], [-57.97, -9.03], [-58.5, -9.25], [-59.03, -9.03], [-59.25, -8.5], [-59.15, -8.25], [-59.18, -8.18], [-59.53, -8.03], [-59.68, -7.68], [-60.03, -7.53], [-60.25, -7.0]]]]}, "2013-05-22T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-58.5, -7.25], [-57.97, -7.47], [-57.75, -8.0], [-57.85, -8.25], [-57.75, -8.5], [-57.97, -9.03], [-58.5, -9.25], [-59.03, -9.03], [-59.25, -8.5], [-59.15, -8.25], [-59.25, -8.0], [-59.03, -7.47], [-58.5, -7.25]]], [[[-56.5, -6.75], [-56.25, -6.85], [-56.0, -6.75], [-55.47, -6.97], [-55.25, -7.5], [-55.47, -8.03], [-55.87, -8.2], [-55.75, -8.5], [-55.97, -9.03], [-56.5, -9.25], [-57.03, -9.03], [-57.25, -8.5], [-57.04, -8.0], [-57.25, -7.5], [-57.03, -6.97], [-56.5, -6.75]]]]}, "2013-05-23T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-57.03, -8.03], [-57.25, -7.5], [-57.03, -6.97], [-56.5, -6.75], [-56.25, -6.85], [-56.0, -6.75], [-55.47, -6.97], [-55.25, -7.5], [-55.47, -8.03], [-56.0, -8.25], [-56.25, -8.15], [-56.5, -8.25], [-57.03, -8.03]]]]}}}, "max_amp": {"name": "Maximum anomaly amplitude", "description": "Maximum t2m anomaly recorded over entire duration", "value": 1.7074742439581314}, "mean_amp": {"name": "Mean anomaly amplitude", "description": "Mean t2m anomaly over entire duration", "value": 1.377856079359104}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [26.742529523928283, 26.648743449336962, 26.530874951081273, 26.727541278570868, 26.76898810826458, 27.04144983136257, 26.516126185248993, 26.332073327447347]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [26.742529523928283, 27.76920544451042, 27.823303642597182, 27.80331427908129, 27.332612362003715, 27.82274838249947, 26.94892763451736, 26.357575630504414]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [1.5017635715220763, 1.4394118273578556, 1.3331707243140158, 1.3825444463931778, 1.227905443469063, 1.5490735115673941, 1.260963666305895, 1.2510682653641254]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [1.5017635715220763, 1.699101263407897, 1.4517687880227186, 1.6753375968348792, 1.303923079379274, 1.7074742439581314, 1.3678084476289882, 1.2512806216375338]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.579610344824976, 1.5297359564430133, 1.3965245006022105, 1.579200734722677, 1.4872723865826538, 1.869712307705948, 1.4670470869730536, 1.4132614607034741]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [1.579610344824976, 1.703335155076408, 1.5787651224967758, 1.8380587401571185, 1.6899559675892417, 2.1134761455765214, 1.570586704231967, 1.42180810495698]}}