{"version_information": {"version": "det_AHW_tail10.0_v1.2", "compiled_date": "2026-06-27 18:22:09.770806", "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": "2020-Nov-15_to_2020-Nov-19_139.5_-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": 2020110001762}, "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": "November 15 2020"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "November 19 2020"}, "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": 52490.3107555897}, "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": ["Indonesia"]}, "IPCC_regions": {"name": "IPCC regions", "description": "List of all IPCC regions affected", "value": ["S.E.Asia"]}, "continents_affected": {"name": "Continents affected", "description": "List of all continents affected", "value": ["Asia"]}, "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 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": 139.5}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "139.5\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 137.25}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 141.25}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": -3.75}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": -1.25}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2020-11-15T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[138.47, -3.53], [138.25, -3.0], [138.47, -2.47], [139.0, -2.25], [139.25, -2.35], [139.5, -2.25], [139.75, -2.35], [140.0, -2.25], [140.53, -2.47], [140.75, -3.0], [140.53, -3.53], [140.0, -3.75], [139.75, -3.65], [139.5, -3.75], [139.25, -3.65], [139.0, -3.75], [138.47, -3.53]]]]}, "2020-11-16T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[138.47, -2.47], [139.0, -2.25], [139.25, -2.35], [139.5, -2.25], [139.75, -2.35], [140.0, -2.25], [140.53, -2.47], [140.75, -3.0], [140.65, -3.25], [140.75, -3.5], [140.53, -4.03], [140.0, -4.25], [139.5, -4.04], [139.0, -4.25], [138.47, -4.03], [138.25, -3.5], [138.35, -3.25], [138.25, -3.0], [138.47, -2.47]]]]}, "2020-11-17T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[136.75, -1.5], [136.97, -0.97], [137.5, -0.75], [137.75, -0.85], [138.0, -0.75], [138.53, -0.97], [138.68, -1.32], [138.75, -1.35], [139.0, -1.25], [139.53, -1.47], [139.68, -1.82], [139.75, -1.85], [140.0, -1.75], [140.25, -1.85], [140.5, -1.75], [140.75, -1.85], [141.0, -1.75], [141.53, -1.97], [141.75, -2.5], [141.53, -3.03], [141.18, -3.18], [141.03, -3.53], [140.68, -3.68], [140.53, -4.03], [140.0, -4.25], [139.75, -4.15], [139.5, -4.25], [139.25, -4.15], [139.0, -4.25], [138.47, -4.03], [138.32, -3.68], [137.97, -3.53], [137.75, -3.0], [137.88, -2.7], [137.47, -2.53], [137.32, -2.18], [136.97, -2.03], [136.75, -1.5]]]]}, "2020-11-18T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[136.75, -1.5], [136.97, -0.97], [137.5, -0.75], [137.75, -0.85], [138.0, -0.75], [138.53, -0.97], [138.68, -1.32], [138.75, -1.35], [139.0, -1.25], [139.53, -1.47], [139.68, -1.82], [139.75, -1.85], [140.0, -1.75], [140.25, -1.85], [140.5, -1.75], [140.75, -1.85], [141.0, -1.75], [141.53, -1.97], [141.75, -2.5], [141.53, -3.03], [141.18, -3.18], [141.03, -3.53], [140.68, -3.68], [140.53, -4.03], [140.0, -4.25], [139.75, -4.15], [139.5, -4.25], [139.25, -4.15], [139.0, -4.25], [138.47, -4.03], [138.32, -3.68], [137.97, -3.53], [137.75, -3.0], [137.88, -2.7], [137.47, -2.53], [137.32, -2.18], [136.97, -2.03], [136.75, -1.5]]]]}, "2020-11-19T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[136.75, -1.5], [136.97, -0.97], [137.5, -0.75], [137.75, -0.85], [138.0, -0.75], [138.53, -0.97], [138.68, -1.32], [138.75, -1.35], [139.0, -1.25], [139.53, -1.47], [139.68, -1.82], [139.75, -1.85], [140.0, -1.75], [140.25, -1.85], [140.5, -1.75], [140.75, -1.85], [141.0, -1.75], [141.53, -1.97], [141.75, -2.5], [141.53, -3.03], [141.18, -3.18], [141.03, -3.53], [140.68, -3.68], [140.53, -4.03], [140.0, -4.25], [139.75, -4.15], [139.5, -4.25], [139.25, -4.15], [139.0, -4.25], [138.47, -4.03], [138.32, -3.68], [137.97, -3.53], [137.75, -3.0], [137.88, -2.7], [137.47, -2.53], [137.32, -2.18], [136.97, -2.03], [136.75, -1.5]]]]}}}, "max_amp": {"name": "Maximum anomaly amplitude", "description": "Maximum t2m anomaly recorded over entire duration", "value": 2.9418303183402372}, "mean_amp": {"name": "Mean anomaly amplitude", "description": "Mean t2m anomaly over entire duration", "value": 1.685232403825108}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [27.82861195832544, 26.688387772406372, 27.76817957841996, 28.50137820338699, 28.296019142328134]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [28.661547802411746, 28.446505285202534, 29.198614803855264, 29.982677348575862, 29.964004377645836]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [1.6833059882077919, 1.282776946760191, 1.2978562678270478, 2.0382196342877372, 1.8383305171356294]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [1.8195516822008813, 1.5356807830159482, 1.88018276876943, 2.9418303183402372, 2.4338122503758655]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.8247145851723312, 1.4610335862833406, 1.6859406450034982, 2.6578503463392984, 2.315403624592472]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [1.9611153617700212, 1.7456124036972565, 2.059449455989456, 3.028085914135006, 2.8179664501832233]}}