{"version_information": {"version": "det_AHW_tail10.0_v1.2", "compiled_date": "2026-06-27 18:56:23.153654", "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": "2025-Jul-21_to_2025-Jul-28_312.5_1.5"}, "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": 2025070002506}, "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 21 2025"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "July 28 2025"}, "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": 67983.23590020066}, "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.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": ["North Atlantic Ocean", "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": 1.5}, "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": 312.5}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "312.5\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 308.25}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 314.25}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": -0.25}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": 2.75}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2025-07-21T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-48.03, 2.03], [-47.5, 2.25], [-46.97, 2.03], [-46.75, 1.5], [-46.85, 1.25], [-46.75, 1.0], [-46.97, 0.47], [-47.5, 0.25], [-48.03, 0.47], [-48.25, 1.0], [-48.15, 1.25], [-48.25, 1.5], [-48.03, 2.03]]]]}, "2025-07-22T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-48.65, 1.75], [-48.75, 2.0], [-48.53, 2.53], [-48.0, 2.75], [-47.47, 2.53], [-47.32, 2.18], [-46.97, 2.03], [-46.75, 1.5], [-46.85, 1.25], [-46.75, 1.0], [-46.85, 0.75], [-46.75, 0.5], [-46.85, 0.25], [-46.75, 0.0], [-46.97, -0.53], [-47.5, -0.75], [-48.03, -0.53], [-48.25, 0.0], [-48.15, 0.25], [-48.18, 0.32], [-48.53, 0.47], [-48.75, 1.0], [-48.65, 1.25], [-48.75, 1.5], [-48.65, 1.75]]]]}, "2025-07-23T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-48.65, 1.75], [-48.75, 2.0], [-48.53, 2.53], [-48.0, 2.75], [-47.47, 2.53], [-47.32, 2.18], [-46.97, 2.03], [-46.75, 1.5], [-46.85, 1.25], [-46.75, 1.0], [-46.85, 0.75], [-46.75, 0.5], [-46.85, 0.25], [-46.75, 0.0], [-46.97, -0.53], [-47.5, -0.75], [-48.03, -0.53], [-48.25, 0.0], [-48.15, 0.25], [-48.18, 0.32], [-48.53, 0.47], [-48.75, 1.0], [-48.65, 1.25], [-48.75, 1.5], [-48.65, 1.75]]]]}, "2025-07-24T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-48.65, 1.75], [-48.75, 2.0], [-48.53, 2.53], [-48.0, 2.75], [-47.47, 2.53], [-47.32, 2.18], [-46.97, 2.03], [-46.75, 1.5], [-46.85, 1.25], [-46.75, 1.0], [-46.85, 0.75], [-46.75, 0.5], [-46.85, 0.25], [-46.75, 0.0], [-46.97, -0.53], [-47.5, -0.75], [-48.03, -0.53], [-48.25, 0.0], [-48.15, 0.25], [-48.18, 0.32], [-48.53, 0.47], [-48.75, 1.0], [-48.65, 1.25], [-48.75, 1.5], [-48.65, 1.75]]]]}, "2025-07-25T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-48.03, 0.97], [-48.25, 1.5], [-48.03, 2.03], [-47.5, 2.25], [-46.97, 2.03], [-46.75, 1.5], [-46.97, 0.97], [-47.5, 0.75], [-48.03, 0.97]]], [[[-52.03, 1.97], [-52.25, 2.5], [-52.03, 3.03], [-51.5, 3.25], [-50.97, 3.03], [-50.75, 2.5], [-50.97, 1.97], [-51.5, 1.75], [-52.03, 1.97]]]]}, "2025-07-26T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-52.25, 2.5], [-52.03, 3.03], [-51.5, 3.25], [-51.25, 3.15], [-51.0, 3.25], [-50.47, 3.03], [-50.32, 2.68], [-49.97, 2.53], [-49.82, 2.18], [-49.75, 2.15], [-49.5, 2.25], [-49.25, 2.15], [-49.0, 2.25], [-48.47, 2.03], [-48.32, 1.68], [-48.25, 1.65], [-48.18, 1.68], [-48.03, 2.03], [-47.5, 2.25], [-46.97, 2.03], [-46.75, 1.5], [-46.87, 1.2], [-46.75, 1.15], [-46.5, 1.25], [-46.25, 1.15], [-46.0, 1.25], [-45.47, 1.03], [-45.25, 0.5], [-45.47, -0.03], [-46.0, -0.25], [-46.25, -0.15], [-46.5, -0.25], [-46.75, -0.15], [-46.82, -0.18], [-46.97, -0.53], [-47.5, -0.75], [-48.03, -0.53], [-48.18, -0.18], [-48.25, -0.15], [-48.5, -0.25], [-49.03, -0.03], [-49.18, 0.32], [-49.53, 0.47], [-49.68, 0.82], [-49.75, 0.85], [-50.0, 0.75], [-50.25, 0.85], [-50.5, 0.75], [-51.03, 0.97], [-51.18, 1.32], [-51.53, 1.47], [-51.68, 1.82], [-52.03, 1.97], [-52.25, 2.5]]]]}, "2025-07-27T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-52.25, 2.5], [-52.03, 3.03], [-51.5, 3.25], [-51.25, 3.15], [-51.0, 3.25], [-50.47, 3.03], [-50.32, 2.68], [-49.97, 2.53], [-49.82, 2.18], [-49.75, 2.15], [-49.5, 2.25], [-49.25, 2.15], [-49.0, 2.25], [-48.47, 2.03], [-48.32, 1.68], [-48.25, 1.65], [-48.0, 1.75], [-47.47, 1.53], [-47.32, 1.18], [-47.25, 1.15], [-47.0, 1.25], [-46.75, 1.15], [-46.5, 1.25], [-46.25, 1.15], [-46.0, 1.25], [-45.47, 1.03], [-45.25, 0.5], [-45.47, -0.03], [-46.0, -0.25], [-46.25, -0.15], [-46.5, -0.25], [-46.75, -0.15], [-46.82, -0.18], [-46.97, -0.53], [-47.5, -0.75], [-48.03, -0.53], [-48.18, -0.18], [-48.25, -0.15], [-48.5, -0.25], [-49.03, -0.03], [-49.18, 0.32], [-49.53, 0.47], [-49.68, 0.82], [-49.75, 0.85], [-50.0, 0.75], [-50.25, 0.85], [-50.5, 0.75], [-51.03, 0.97], [-51.18, 1.32], [-51.53, 1.47], [-51.68, 1.82], [-52.03, 1.97], [-52.25, 2.5]]]]}, "2025-07-28T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-52.25, 2.5], [-52.03, 3.03], [-51.5, 3.25], [-51.25, 3.15], [-51.0, 3.25], [-50.47, 3.03], [-50.32, 2.68], [-49.97, 2.53], [-49.82, 2.18], [-49.75, 2.15], [-49.5, 2.25], [-49.25, 2.15], [-49.0, 2.25], [-48.47, 2.03], [-48.32, 1.68], [-48.25, 1.65], [-48.0, 1.75], [-47.47, 1.53], [-47.32, 1.18], [-47.25, 1.15], [-47.0, 1.25], [-46.75, 1.15], [-46.5, 1.25], [-46.25, 1.15], [-46.0, 1.25], [-45.47, 1.03], [-45.25, 0.5], [-45.47, -0.03], [-46.0, -0.25], [-46.25, -0.15], [-46.5, -0.25], [-46.75, -0.15], [-46.82, -0.18], [-46.97, -0.53], [-47.5, -0.75], [-48.03, -0.53], [-48.18, -0.18], [-48.25, -0.15], [-48.5, -0.25], [-49.03, -0.03], [-49.18, 0.32], [-49.53, 0.47], [-49.68, 0.82], [-49.75, 0.85], [-50.0, 0.75], [-50.25, 0.85], [-50.5, 0.75], [-51.03, 0.97], [-51.18, 1.32], [-51.53, 1.47], [-51.68, 1.82], [-52.03, 1.97], [-52.25, 2.5]]]]}}}, "max_amp": {"name": "Maximum anomaly amplitude", "description": "Maximum t2m anomaly recorded over entire duration", "value": 1.289802086630914}, "mean_amp": {"name": "Mean anomaly amplitude", "description": "Mean t2m anomaly over entire duration", "value": 0.7393576147785332}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [27.252749379475972, 27.51682579403837, 27.34480765206473, 27.44098779587523, 26.750207519531273, 27.447304160134877, 27.462941318088156, 27.477427842881923]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [27.2547431945801, 27.76624450683596, 27.555617268880212, 27.593354797363304, 27.078698730468773, 27.72780888875326, 27.848547871907556, 28.055932617187523]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [0.630869777204623, 0.792700824752574, 0.616989690997473, 0.7055425408515573, 0.7718820302478662, 0.765546956616471, 0.7535249703178408, 0.7459795849851313]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [0.6880261188237, 0.9052534767369025, 0.6850491325067765, 0.8475157013151033, 1.0457382746035933, 1.229262205214411, 1.0672198804246023, 1.289802086630914]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.4843109009329007, 1.801898872295471, 1.423941842870903, 1.6754185063570013, 1.4596346663394022, 1.570237863177289, 1.5569390316201581, 1.523862681337807]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [1.6698424799652816, 1.9615323322909, 1.5372027678090638, 2.0273612008657484, 1.612204760565924, 1.9907338859416814, 2.0359552969641235, 2.051623799346261]}}