{"version_information": {"version": "det_AHW_tail10.0_v1.2", "compiled_date": "2026-06-27 18:33:41.440824", "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-Dec-19_to_2022-Dec-23_283.0_2.5"}, "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": 2022120002233}, "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": "December 19 2022"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "December 23 2022"}, "duration": {"name": "Duration", "description": "Time elapsed (days) from the start date to the end date", "value": 5}, "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": 52500.43193852368}, "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", "Ecuador"]}, "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": []}, "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": 2.5}, "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": 283.0}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "283.0\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": 283.75}, "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": 4.25}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2022-12-19T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-78.25, 3.0], [-78.03, 3.53], [-77.68, 3.68], [-77.53, 4.03], 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3.18], [-78.03, 3.53], [-77.68, 3.68], [-77.53, 4.03], [-77.18, 4.18], [-77.03, 4.53], [-76.5, 4.75], [-75.97, 4.53], [-75.75, 4.0], [-75.85, 3.75], [-75.75, 3.5], [-75.85, 3.25], [-75.75, 3.0], [-75.97, 2.47], [-76.32, 2.32], [-76.47, 1.97], [-76.82, 1.82], [-76.97, 1.47], [-77.5, 1.25], [-77.75, 1.35], [-77.82, 1.32], [-77.97, 0.97], [-78.32, 0.82], [-78.46, 0.5], [-78.25, 0.0], [-78.47, -0.53], [-79.0, -0.75], [-79.25, -0.65], [-79.5, -0.75], [-80.03, -0.53], [-80.25, 0.0], [-80.15, 0.25], [-80.25, 0.5], [-80.03, 1.03]]]]}, "2022-12-22T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-80.03, 1.03], [-79.68, 1.18], [-79.53, 1.53], [-79.18, 1.68], [-79.15, 1.75], [-79.25, 2.0], [-79.03, 2.53], [-78.68, 2.68], [-78.53, 3.03], [-78.18, 3.18], [-78.03, 3.53], [-77.68, 3.68], [-77.53, 4.03], [-77.18, 4.18], [-77.03, 4.53], [-76.5, 4.75], [-75.97, 4.53], [-75.75, 4.0], [-75.85, 3.75], [-75.75, 3.5], [-75.85, 3.25], [-75.75, 3.0], [-75.97, 2.47], [-76.32, 2.32], [-76.47, 1.97], [-76.82, 1.82], [-76.97, 1.47], [-77.5, 1.25], [-77.75, 1.35], [-77.82, 1.32], [-77.97, 0.97], [-78.32, 0.82], [-78.46, 0.5], [-78.25, 0.0], [-78.47, -0.53], [-79.0, -0.75], [-79.25, -0.65], [-79.5, -0.75], [-80.03, -0.53], [-80.25, 0.0], [-80.15, 0.25], [-80.25, 0.5], [-80.03, 1.03]]]]}, "2022-12-23T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-80.03, 1.03], [-79.68, 1.18], [-79.53, 1.53], [-79.18, 1.68], [-79.15, 1.75], [-79.25, 2.0], [-79.03, 2.53], [-78.68, 2.68], [-78.53, 3.03], [-78.18, 3.18], [-78.03, 3.53], [-77.68, 3.68], [-77.53, 4.03], [-77.18, 4.18], [-77.03, 4.53], [-76.5, 4.75], [-75.97, 4.53], [-75.75, 4.0], [-75.85, 3.75], [-75.75, 3.5], [-75.85, 3.25], [-75.75, 3.0], [-75.97, 2.47], [-76.32, 2.32], [-76.47, 1.97], [-76.82, 1.82], [-76.97, 1.47], [-77.5, 1.25], [-77.75, 1.35], [-77.82, 1.32], [-77.97, 0.97], [-78.32, 0.82], [-78.46, 0.5], [-78.25, 0.0], [-78.47, -0.53], [-79.0, -0.75], [-79.25, -0.65], [-79.5, -0.75], [-80.03, -0.53], [-80.25, 0.0], [-80.15, 0.25], [-80.25, 0.5], [-80.03, 1.03]]]]}}}, "max_amp": {"name": "Maximum anomaly amplitude", "description": "Maximum t2m anomaly recorded over entire duration", "value": 1.8622545403486015}, "mean_amp": {"name": "Mean anomaly amplitude", "description": "Mean t2m anomaly over entire duration", "value": 1.345912246723197}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [23.934447769498945, 23.711260742857178, 24.145786024495067, 24.2589692542511, 24.339458806097696]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [27.011072957849194, 26.935736386274414, 26.9767065432668, 27.395909416045072, 27.225357660539203]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [1.163861295226506, 1.1591766450961751, 1.3201061885427687, 1.4084423019768104, 1.47230155103962]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [1.4397463409876536, 1.5076144151656194, 1.652845268147928, 1.8622545403486015, 1.8553121703486681]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.551863503183186, 1.5270039628795855, 1.6960350280226884, 1.787711666079716, 1.8636183079654902]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [1.883307741357191, 1.9199531904991407, 2.17852668767464, 2.4043342355817465, 2.239604143611589]}}