{"version_information": {"version": "det_AHW_tail10.0_v1.1", "compiled_date": "2026-07-16 08:54:17.824806", "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-Aug-24_to_2013-Sep-01_327.5_-13.5"}, "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": 2013080002851}, "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": "August 24 2013"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "September 01 2013"}, "duration": {"name": "Duration", "description": "Time elapsed (days) from the start date to the end date", "value": 9}, "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": 208782.47435027466}, "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": -13.5}, "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": 327.5}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "327.5\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 322.25}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 330.25}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": -13.75}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": -9.25}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2013-08-24T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-33.53, -14.03], [-33.75, -13.5], [-33.53, -12.97], [-33.0, -12.75], [-32.75, -12.85], [-32.5, -12.75], [-31.97, -12.97], [-31.75, -13.5], [-31.97, -14.03], [-32.5, -14.25], [-32.75, -14.15], [-33.0, -14.25], [-33.53, -14.03]]]]}, "2013-08-25T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-33.53, -14.03], [-33.75, -13.5], [-33.53, -12.97], [-33.0, -12.75], [-32.75, -12.85], [-32.5, -12.75], [-31.97, -12.97], [-31.75, -13.5], [-31.97, -14.03], [-32.5, -14.25], [-32.75, -14.15], [-33.0, -14.25], [-33.53, -14.03]]]]}, "2013-08-26T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-33.53, -14.03], [-33.75, -13.5], [-33.53, -12.97], [-33.0, -12.75], [-32.75, -12.85], [-32.5, -12.75], [-31.97, -12.97], [-31.75, -13.5], [-31.97, -14.03], [-32.5, -14.25], [-32.75, -14.15], [-33.0, -14.25], [-33.53, -14.03]]]]}, "2013-08-27T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-36.68, -10.82], [-36.53, -10.47], [-36.18, -10.32], [-36.15, -10.25], [-36.25, -10.0], [-36.15, -9.75], [-36.25, -9.5], [-36.03, -8.97], [-35.5, -8.75], [-34.97, -8.97], [-34.75, -9.5], [-34.85, -9.75], [-34.82, -9.82], [-34.75, -9.85], [-34.5, -9.75], [-34.07, -9.93], [-34.25, -9.5], [-34.03, -8.97], [-33.5, -8.75], [-32.97, -8.97], [-32.82, -9.32], [-32.47, -9.47], [-32.25, -10.0], [-32.35, -10.25], [-32.32, -10.32], [-32.25, -10.35], [-32.0, -10.25], [-31.47, -10.47], [-31.32, -10.82], [-30.97, -10.97], [-30.8, -11.38], [-30.5, -11.25], [-29.97, -11.47], [-29.75, -12.0], [-29.85, -12.25], [-29.82, -12.32], [-29.47, -12.47], [-29.25, -13.0], [-29.47, -13.53], [-30.0, -13.75], [-30.53, -13.53], [-30.68, -13.18], [-30.75, -13.15], [-30.87, -13.2], [-30.75, -13.5], [-30.97, -14.03], [-31.5, -14.25], [-31.75, -14.15], [-32.0, -14.25], [-32.25, -14.15], [-32.5, -14.25], [-32.75, -14.15], [-33.0, -14.25], [-33.53, -14.03], [-33.68, -13.68], [-33.75, -13.65], [-34.0, -13.75], [-34.5, -13.54], [-35.0, -13.75], [-35.25, -13.65], [-35.5, -13.75], [-36.03, -13.53], [-36.18, -13.18], [-36.53, -13.03], [-36.68, -12.68], [-36.75, -12.65], [-37.0, -12.75], [-37.53, -12.53], [-37.75, -12.0], [-37.53, -11.47], [-37.18, -11.32], [-37.03, -10.97], [-36.68, -10.82]]]]}, "2013-08-28T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-37.53, -10.47], [-37.0, -10.25], [-36.7, -10.38], [-36.53, -9.97], [-36.18, -9.82], [-36.15, -9.75], [-36.25, -9.5], [-36.03, -8.97], [-35.5, -8.75], [-34.97, -8.97], [-34.75, -9.5], [-34.85, -9.75], [-34.82, -9.82], [-34.75, -9.85], [-34.5, -9.75], [-34.07, -9.93], [-34.25, -9.5], [-34.03, -8.97], [-33.5, -8.75], [-32.97, -8.97], [-32.82, -9.32], [-32.47, -9.47], [-32.25, -10.0], [-32.35, -10.25], [-32.32, -10.32], [-32.25, -10.35], [-32.0, -10.25], [-31.47, -10.47], [-31.32, -10.82], [-30.97, -10.97], [-30.8, -11.38], [-30.5, -11.25], [-29.97, -11.47], [-29.75, -12.0], [-29.85, -12.25], [-29.82, -12.32], [-29.47, -12.47], [-29.25, -13.0], [-29.47, -13.53], [-30.0, -13.75], [-30.53, -13.53], [-30.68, -13.18], [-30.75, -13.15], [-30.87, -13.2], [-30.75, -13.5], [-30.97, -14.03], [-31.5, -14.25], [-31.75, -14.15], [-32.0, -14.25], [-32.25, -14.15], [-32.5, -14.25], [-32.75, -14.15], [-33.0, -14.25], [-33.53, -14.03], [-33.68, -13.68], [-33.75, -13.65], [-34.0, -13.75], [-34.5, -13.54], [-35.0, -13.75], [-35.25, -13.65], [-35.5, -13.75], [-36.03, -13.53], [-36.18, -13.18], [-36.53, -13.03], [-36.68, -12.68], [-36.75, -12.65], [-37.0, -12.75], [-37.53, -12.53], [-37.75, -12.0], [-37.54, -11.5], [-37.75, -11.0], [-37.53, -10.47]]]]}, "2013-08-29T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-38.25, -11.0], [-38.03, -10.47], [-37.5, -10.25], [-37.25, -10.35], [-37.18, -10.32], [-37.03, -9.97], [-36.5, -9.75], [-36.25, -9.85], [-36.18, -9.82], [-36.15, -9.75], [-36.25, -9.5], [-36.03, -8.97], [-35.5, -8.75], [-34.97, -8.97], [-34.75, -9.5], [-34.85, -9.75], [-34.82, -9.82], [-34.75, -9.85], [-34.5, -9.75], [-34.07, -9.93], [-34.25, -9.5], [-34.03, -8.97], [-33.5, -8.75], [-32.97, -8.97], [-32.82, -9.32], [-32.47, -9.47], [-32.25, -10.0], [-32.35, -10.25], [-32.32, -10.32], [-32.25, -10.35], [-32.0, -10.25], [-31.47, -10.47], [-31.32, -10.82], [-30.97, -10.97], [-30.8, -11.38], [-30.5, -11.25], [-29.97, -11.47], [-29.75, -12.0], [-29.85, -12.25], [-29.82, -12.32], [-29.47, -12.47], [-29.25, -13.0], [-29.47, -13.53], [-30.0, -13.75], [-30.53, -13.53], [-30.68, -13.18], [-30.75, -13.15], [-30.87, -13.2], [-30.75, -13.5], [-30.97, -14.03], [-31.5, -14.25], [-31.75, -14.15], [-32.0, -14.25], [-32.25, -14.15], [-32.5, -14.25], [-32.75, -14.15], [-33.0, -14.25], [-33.53, -14.03], [-33.68, -13.68], [-33.75, -13.65], [-34.0, -13.75], [-34.5, -13.54], [-35.0, -13.75], [-35.25, -13.65], [-35.5, -13.75], [-36.03, -13.53], [-36.18, -13.18], [-36.53, -13.03], [-36.68, -12.68], [-36.75, -12.65], [-37.0, -12.75], [-37.53, -12.53], [-37.75, -12.0], [-37.62, -11.7], [-38.03, -11.53], [-38.25, -11.0]]]]}, "2013-08-30T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-38.03, -11.53], [-38.25, -11.0], [-38.03, -10.47], [-37.5, -10.25], [-37.25, -10.35], [-37.18, -10.32], [-37.03, -9.97], [-36.5, -9.75], [-36.25, -9.85], [-36.0, -9.75], [-35.47, -9.97], [-35.25, -10.5], [-35.35, -10.75], [-35.25, -11.0], [-35.47, -11.53], [-36.0, -11.75], [-36.5, -11.54], [-37.0, -11.75], [-37.25, -11.65], [-37.5, -11.75], [-38.03, -11.53]]]]}, "2013-08-31T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-36.5, -9.75], [-35.97, -9.97], [-35.75, -10.5], [-35.97, -11.03], [-36.5, -11.25], [-36.8, -11.12], [-36.97, -11.53], [-37.5, -11.75], [-38.03, -11.53], [-38.25, -11.0], [-38.03, -10.47], [-37.5, -10.25], [-37.2, -10.38], [-37.03, -9.97], [-36.5, -9.75]]]]}, "2013-09-01T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-36.5, -9.75], [-35.97, -9.97], [-35.75, -10.5], [-35.97, -11.03], [-36.5, -11.25], [-37.03, -11.03], [-37.25, -10.5], [-37.03, -9.97], [-36.5, -9.75]]]]}}}, "max_amp": {"name": "Maximum anomaly amplitude", "description": "Maximum t2m anomaly recorded over entire duration", "value": 1.633295109369783}, "mean_amp": {"name": "Mean anomaly amplitude", "description": "Mean t2m anomaly over entire duration", "value": 0.7375866199439357}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [24.644859743335815, 24.577884986149456, 24.54131972349444, 25.149536131275738, 25.333997678532455, 25.099239292057405, 25.35652399227706, 25.020361598884506, 25.704694552437104]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [24.67535131477547, 24.582686485286047, 24.56700979579756, 25.70114851491695, 25.815974109651904, 26.261815875627974, 26.4002796199581, 25.742351122891932, 25.704694552437104]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [0.7014420899671165, 0.6126751050019266, 0.5427599815734254, 0.7017692977080024, 0.8649619528708362, 0.6319329641518902, 1.0009619500943132, 0.9257471408304809, 0.8402351828821111]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [0.7053397190958322, 0.6359004762369409, 0.5459999339122419, 0.7744818906696764, 1.1768852511905834, 1.521227957007227, 1.633295109369783, 0.9333020877172657, 0.8402351828821111]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.6599613930067212, 1.4857202633906996, 1.3009383691817578, 1.6286185446176287, 2.018341601795643, 1.4563820706102164, 1.7457073930012696, 1.4652400508447414, 1.3175826540552737]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [1.6683251835625932, 1.5511174724801635, 1.3121755721028312, 1.9033511213159136, 2.622019808748047, 2.442151721919088, 2.693366177652303, 1.527216689358781, 1.3175826540552737]}}