{"version_information": {"version": "det_AHW_tail10.0_v1.2", "compiled_date": "2026-06-27 18:56:44.581154", "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-Aug-17_to_2025-Aug-25_284.0_3.0"}, "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": 2025080002049}, "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 17 2025"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "August 25 2025"}, "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": 77127.0551434515}, "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": ["Colombia"]}, "IPCC_regions": {"name": "IPCC regions", "description": "List of all IPCC regions affected", "value": ["N.W.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 Pacific 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": 3.0}, "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": 284.0}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "284.0\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 280.25}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 284.75}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": 1.75}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": 5.25}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2025-08-17T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-79.5, 4.75], [-78.97, 4.53], [-78.75, 4.0], [-78.97, 3.47], [-79.5, 3.25], [-80.03, 3.47], [-80.25, 4.0], [-80.03, 4.53], [-79.5, 4.75]]]]}, "2025-08-18T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-76.5, 3.25], [-76.07, 3.07], [-76.25, 3.5], [-76.03, 4.03], [-75.5, 4.25], [-74.97, 4.03], [-74.75, 3.5], [-74.97, 2.97], [-75.5, 2.75], [-75.93, 2.93], [-75.75, 2.5], [-75.85, 2.25], [-75.75, 2.0], [-75.97, 1.47], [-76.5, 1.25], [-77.03, 1.47], [-77.25, 2.0], [-77.15, 2.25], [-77.25, 2.5], [-77.03, 3.03], [-76.5, 3.25]]], [[[-80.03, 3.47], [-80.25, 4.0], [-80.03, 4.53], [-79.5, 4.75], [-78.97, 4.53], [-78.75, 4.0], [-78.97, 3.47], [-79.5, 3.25], [-80.03, 3.47]]]]}, "2025-08-19T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-80.25, 4.0], [-80.03, 4.53], [-79.5, 4.75], [-78.97, 4.53], [-78.82, 4.18], [-78.75, 4.15], [-78.5, 4.25], [-78.25, 4.15], [-78.18, 4.18], [-78.15, 4.25], [-78.25, 4.5], [-78.03, 5.03], [-77.5, 5.25], [-77.25, 5.15], [-77.18, 5.18], [-77.03, 5.53], [-76.5, 5.75], [-75.97, 5.53], [-75.82, 5.18], [-75.47, 5.03], [-75.25, 4.5], [-75.37, 4.2], [-74.97, 4.03], [-74.75, 3.5], [-74.97, 2.97], [-75.32, 2.82], [-75.47, 2.47], [-75.82, 2.32], [-75.85, 2.25], [-75.75, 2.0], [-75.97, 1.47], [-76.5, 1.25], [-77.03, 1.47], [-77.2, 1.88], [-77.5, 1.75], [-78.03, 1.97], [-78.18, 2.32], [-78.53, 2.47], [-78.68, 2.82], [-78.75, 2.85], [-79.0, 2.75], [-79.53, 2.97], [-79.68, 3.32], [-80.03, 3.47], [-80.25, 4.0]]]]}, "2025-08-20T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-80.25, 4.0], [-80.03, 4.53], [-79.5, 4.75], [-78.97, 4.53], [-78.82, 4.18], [-78.75, 4.15], [-78.5, 4.25], [-78.25, 4.15], [-78.18, 4.18], [-78.15, 4.25], [-78.25, 4.5], [-78.03, 5.03], [-77.5, 5.25], [-77.25, 5.15], [-77.18, 5.18], [-77.03, 5.53], [-76.5, 5.75], [-75.97, 5.53], [-75.82, 5.18], [-75.47, 5.03], [-75.25, 4.5], [-75.37, 4.2], [-74.97, 4.03], [-74.75, 3.5], [-74.97, 2.97], [-75.32, 2.82], [-75.47, 2.47], [-75.82, 2.32], [-75.85, 2.25], [-75.75, 2.0], [-75.97, 1.47], [-76.5, 1.25], [-77.03, 1.47], [-77.2, 1.88], [-77.5, 1.75], [-78.03, 1.97], [-78.18, 2.32], [-78.53, 2.47], [-78.68, 2.82], [-78.75, 2.85], [-79.0, 2.75], [-79.53, 2.97], [-79.68, 3.32], [-80.03, 3.47], [-80.25, 4.0]]]]}, "2025-08-21T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-80.25, 4.0], [-80.03, 4.53], [-79.5, 4.75], [-78.97, 4.53], [-78.82, 4.18], [-78.75, 4.15], [-78.5, 4.25], [-78.25, 4.15], [-78.18, 4.18], [-78.15, 4.25], [-78.25, 4.5], [-78.03, 5.03], [-77.5, 5.25], [-77.25, 5.15], [-77.18, 5.18], [-77.03, 5.53], [-76.5, 5.75], [-75.97, 5.53], [-75.82, 5.18], [-75.47, 5.03], [-75.25, 4.5], [-75.37, 4.2], [-74.97, 4.03], [-74.75, 3.5], [-74.97, 2.97], [-75.32, 2.82], [-75.47, 2.47], [-76.0, 2.25], [-76.5, 2.46], [-76.82, 2.32], [-76.97, 1.97], [-77.5, 1.75], [-78.03, 1.97], [-78.18, 2.32], [-78.53, 2.47], [-78.68, 2.82], [-78.75, 2.85], [-79.0, 2.75], [-79.53, 2.97], [-79.68, 3.32], [-80.03, 3.47], [-80.25, 4.0]]]]}, "2025-08-22T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-76.0, 3.25], [-75.47, 3.03], [-75.25, 2.5], [-75.35, 2.25], [-75.25, 2.0], [-75.47, 1.47], [-76.0, 1.25], [-76.25, 1.35], [-76.5, 1.25], [-77.03, 1.47], [-77.25, 2.0], [-77.03, 2.53], [-76.68, 2.68], [-76.53, 3.03], [-76.0, 3.25]]]]}, "2025-08-23T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-77.03, 3.03], [-76.68, 3.18], [-76.65, 3.25], [-76.75, 3.5], [-76.53, 4.03], [-76.0, 4.25], [-75.47, 4.03], [-75.25, 3.5], [-75.35, 3.25], [-75.25, 3.0], [-75.35, 2.75], [-75.25, 2.5], [-75.35, 2.25], [-75.25, 2.0], [-75.47, 1.47], [-76.0, 1.25], [-76.25, 1.35], [-76.5, 1.25], [-77.03, 1.47], [-77.25, 2.0], [-77.15, 2.25], [-77.25, 2.5], [-77.03, 3.03]]]]}, "2025-08-24T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-77.03, 3.03], [-76.68, 3.18], [-76.65, 3.25], [-76.75, 3.5], [-76.53, 4.03], [-76.0, 4.25], [-75.47, 4.03], [-75.25, 3.5], [-75.35, 3.25], [-75.25, 3.0], [-75.35, 2.75], [-75.25, 2.5], [-75.35, 2.25], [-75.25, 2.0], [-75.47, 1.47], [-76.0, 1.25], [-76.25, 1.35], [-76.5, 1.25], [-77.03, 1.47], [-77.25, 2.0], [-77.15, 2.25], [-77.25, 2.5], [-77.03, 3.03]]]]}, "2025-08-25T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-76.75, 3.5], [-76.53, 4.03], [-76.0, 4.25], [-75.47, 4.03], [-75.25, 3.5], [-75.35, 3.25], [-75.25, 3.0], [-75.47, 2.47], [-75.82, 2.32], [-75.97, 1.97], [-76.5, 1.75], [-77.03, 1.97], [-77.25, 2.5], [-77.03, 3.03], [-76.68, 3.18], [-76.65, 3.25], [-76.75, 3.5]]]]}}}, "max_amp": {"name": "Maximum anomaly amplitude", "description": "Maximum t2m anomaly recorded over entire duration", "value": 3.6021044080961815}, "mean_amp": {"name": "Mean anomaly amplitude", "description": "Mean t2m anomaly over entire duration", "value": 1.2612658614162635}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [26.39069519042971, 19.984579976399743, 23.910984756007338, 23.883860871286117, 24.530846913655637, 15.447053527832054, 15.105403306749167, 15.218576473659937, 14.512166595459007]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [26.39069519042971, 26.277813212076865, 27.49372253417971, 27.957114156087243, 26.789558664957724, 17.88764597574874, 18.24225769042971, 18.300539906819665, 16.66044133504232]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [0.5929891215249654, 1.0267644395174358, 1.3857714690486025, 1.3689407378455458, 1.0575061757596984, 1.3016098333966586, 1.2985235643873996, 1.4048202465572217, 1.0504662102990967]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [0.5929891215249654, 1.4429911123131092, 2.096176841537442, 3.6021044080961815, 1.6922650440546363, 1.6548685177822335, 1.4509874837351617, 1.8009241094620734, 1.1898849164123249]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.5210847731580464, 1.3842930424210587, 2.222078856243904, 2.0615416516445504, 1.7033957636076154, 1.6431782680279872, 1.7723290988714036, 1.9348895710662177, 1.5621554843095213]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [1.5210847731580464, 1.5470949529179703, 3.062218337567785, 3.8659205184987724, 2.1313489283748277, 2.0071915384280983, 2.1860827679771586, 2.6087782788661493, 1.7397496755495911]}}