{"version_information": {"version": "det_AHW_tail10.0_v1.2", "compiled_date": "2026-06-27 18:59:18.419389", "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": "2026-Apr-01_to_2026-Apr-04_105.0_-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": 2026040000927}, "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": "April 01 2026"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "April 04 2026"}, "duration": {"name": "Duration", "description": "Time elapsed (days) from the start date to the end date", "value": 4}, "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": 55615.86576888269}, "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 China Sea"]}, "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": 105.0}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "105.0\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 103.75}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 106.75}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": -3.25}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": 0.25}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2026-04-01T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[103.25, -0.5], [103.47, 0.03], [103.82, 0.18], [103.97, 0.53], [104.5, 0.75], [104.75, 0.65], [105.0, 0.75], [105.53, 0.53], [105.75, 0.0], [105.65, -0.25], [105.75, -0.5], [105.65, -0.75], [105.75, -1.0], [105.63, -1.3], [106.03, -1.47], [106.25, -2.0], [106.15, -2.25], [106.25, -2.5], [106.03, -3.03], [105.5, -3.25], [105.25, -3.15], [105.0, -3.25], [104.47, -3.03], [104.32, -2.68], [103.97, -2.53], [103.75, -2.0], [103.85, -1.75], [103.75, -1.5], [103.85, -1.25], [103.82, -1.18], [103.47, -1.03], [103.25, -0.5]]]]}, "2026-04-02T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[103.25, -0.5], [103.47, 0.03], [103.82, 0.18], [103.97, 0.53], [104.5, 0.75], [104.75, 0.65], [105.0, 0.75], [105.25, 0.65], [105.5, 0.75], [105.75, 0.65], [106.0, 0.75], [106.53, 0.53], [106.75, 0.0], [106.65, -0.25], [106.75, -0.5], [106.53, -1.03], [106.0, -1.25], [105.7, -1.13], [105.63, -1.3], [106.03, -1.47], [106.2, -1.87], [106.5, -1.75], [107.03, -1.97], [107.25, -2.5], [107.15, -2.75], [107.25, -3.0], [107.03, -3.53], [106.5, -3.75], [106.25, -3.65], [106.0, -3.75], [105.47, -3.53], [105.32, -3.18], [105.25, -3.15], [105.0, -3.25], [104.47, -3.03], [104.32, -2.68], [103.97, -2.53], [103.75, -2.0], [103.85, -1.75], [103.75, -1.5], [103.85, -1.25], [103.82, -1.18], [103.47, -1.03], [103.25, -0.5]]]]}, "2026-04-03T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[103.25, -0.5], [103.47, 0.03], [103.82, 0.18], [103.97, 0.53], [104.5, 0.75], [104.75, 0.65], [105.0, 0.75], [105.25, 0.65], [105.5, 0.75], [105.75, 0.65], [106.0, 0.75], [106.53, 0.53], [106.75, 0.0], [106.65, -0.25], [106.75, -0.5], [106.53, -1.03], [106.0, -1.25], [105.7, -1.13], [105.63, -1.3], [106.03, -1.47], [106.2, -1.87], [106.5, -1.75], [107.03, -1.97], [107.25, -2.5], [107.15, -2.75], [107.25, -3.0], [107.03, -3.53], [106.5, -3.75], [106.25, -3.65], [106.0, -3.75], [105.47, -3.53], [105.32, -3.18], [105.25, -3.15], [105.0, -3.25], [104.47, -3.03], [104.32, -2.68], [103.97, -2.53], [103.75, -2.0], [103.85, -1.75], [103.75, -1.5], [103.85, -1.25], [103.82, -1.18], [103.47, -1.03], [103.25, -0.5]]]]}, "2026-04-04T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[103.97, -1.47], [104.5, -1.25], [105.03, -1.47], [105.18, -1.82], [105.53, -1.97], [105.7, -2.37], [105.82, -2.32], [105.97, -1.97], [106.5, -1.75], [107.03, -1.97], [107.25, -2.5], [107.15, -2.75], [107.25, -3.0], [107.03, -3.53], [106.5, -3.75], [106.25, -3.65], [106.0, -3.75], [105.47, -3.53], [105.3, -3.13], [105.0, -3.25], [104.47, -3.03], [104.32, -2.68], [103.97, -2.53], [103.75, -2.0], [103.97, -1.47]]], [[[104.25, 0.0], [104.47, 0.53], [105.0, 0.75], [105.25, 0.65], [105.5, 0.75], [105.75, 0.65], [106.0, 0.75], [106.53, 0.53], [106.75, 0.0], [106.65, -0.25], [106.75, -0.5], [106.53, -1.03], [106.0, -1.25], [105.47, -1.03], [105.32, -0.68], [105.25, -0.65], [105.0, -0.75], [104.47, -0.53], [104.25, 0.0]]]]}}}, "max_amp": {"name": "Maximum anomaly amplitude", "description": "Maximum t2m anomaly recorded over entire duration", "value": 1.7250895752887914}, "mean_amp": {"name": "Mean anomaly amplitude", "description": "Mean t2m anomaly over entire duration", "value": 0.9965856625033351}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [27.975923156738304, 28.24733039008248, 28.2287235683865, 28.038770152904306]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [28.24567820231124, 28.592925008138025, 28.784808095296228, 28.335979715983115]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [0.8569627967709957, 1.09285746387347, 1.063239323596485, 0.8568985585532182]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [1.1153314175869014, 1.7250895752887914, 1.5689103396751989, 0.9295047710345443]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.5185918020913942, 1.9691404200907416, 1.9489493012953778, 1.5353947213332]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [1.8751802130237227, 2.538579407988882, 2.879059020897914, 1.7865030789139658]}}