{"version_information": {"version": "det_AHW_v1.1", "compiled_date": "2026-04-05 16:52:58.448283", "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": "2023-Apr-26_to_2023-Apr-30_97.5_20.0"}, "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": 2023040002717}, "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 26 2023"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "April 30 2023"}, "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": 89886.99650775686}, "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": ["Myanmar", "Thailand"]}, "continents_affected": {"name": "Continents affected", "description": "List of all continents affected", "value": ["Asia", "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": []}, "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": 20.0}, "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": 97.5}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "97.5\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 95.0}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 99.0}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": 18.5}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": 21.5}, "polygons_merged": {"name": "Merged polygon", "description": "Merger or polygons at each time step", "value": {"type": "MultiPolygon", "coordinates": [[[[95.32, 19.82], [94.97, 19.97], [94.75, 20.5], [94.85, 20.75], [94.82, 20.82], [94.47, 20.97], [94.25, 21.5], [94.47, 22.03], [95.0, 22.25], [95.53, 22.03], [95.68, 21.68], [96.0, 21.54], [96.32, 21.68], [96.47, 22.03], [97.0, 22.25], [97.25, 22.15], [97.5, 22.25], [98.03, 22.03], [98.18, 21.68], [98.25, 21.65], [98.5, 21.75], [98.75, 21.65], [99.0, 21.75], [99.53, 21.53], [99.75, 21.0], [99.65, 20.75], [99.75, 20.5], [99.53, 19.97], [99.18, 19.82], [99.03, 19.47], [98.63, 19.3], [98.75, 19.0], [98.53, 18.47], [98.0, 18.25], [97.75, 18.35], [97.5, 18.25], [97.25, 18.35], [97.0, 18.25], [96.7, 18.38], [96.53, 17.97], [96.0, 17.75], [95.47, 17.97], [95.25, 18.5], [95.35, 18.75], [95.25, 19.0], [95.46, 19.5], [95.41, 19.61], [95.32, 19.82]]]]}}, "IPCC_regions": {"name": "IPCC regions", "description": "List of all IPCC regions affected", "value": ["S.Asia", "S.E.Asia"]}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2023-04-26T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[95.47, 20.53], [96.0, 20.75], [96.53, 20.53], [96.75, 20.0], [96.53, 19.47], [96.0, 19.25], [95.47, 19.47], [95.25, 20.0], [95.47, 20.53]]]]}, "2023-04-27T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[95.47, 19.47], [95.25, 20.0], [95.47, 20.53], [95.82, 20.68], [95.97, 21.03], [96.32, 21.18], [96.35, 21.25], [96.25, 21.5], [96.47, 22.03], [97.0, 22.25], [97.25, 22.15], [97.5, 22.25], [98.03, 22.03], [98.2, 21.63], [98.5, 21.75], [98.75, 21.65], [99.0, 21.75], [99.53, 21.53], [99.75, 21.0], [99.65, 20.75], [99.75, 20.5], [99.53, 19.97], [99.18, 19.82], [99.03, 19.47], [98.5, 19.25], [98.25, 19.35], [98.0, 19.25], [97.75, 19.35], [97.5, 19.25], [97.25, 19.35], [97.18, 19.32], [97.03, 18.97], [96.5, 18.75], [95.97, 18.97], [95.82, 19.32], [95.47, 19.47]]]]}, "2023-04-28T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[94.47, 20.97], [94.25, 21.5], [94.47, 22.03], [95.0, 22.25], [95.53, 22.03], [95.68, 21.68], [96.0, 21.54], [96.32, 21.68], [96.47, 22.03], [97.0, 22.25], [97.25, 22.15], [97.5, 22.25], [98.03, 22.03], [98.18, 21.68], [98.25, 21.65], [98.5, 21.75], [98.75, 21.65], [99.0, 21.75], [99.53, 21.53], [99.75, 21.0], [99.65, 20.75], [99.75, 20.5], [99.53, 19.97], [99.18, 19.82], [99.03, 19.47], [98.63, 19.3], [98.75, 19.0], [98.53, 18.47], [98.0, 18.25], [97.75, 18.35], [97.5, 18.25], [97.25, 18.35], [97.0, 18.25], [96.7, 18.38], [96.53, 17.97], [96.0, 17.75], [95.47, 17.97], [95.25, 18.5], [95.35, 18.75], [95.25, 19.0], [95.46, 19.5], [95.32, 19.82], [94.97, 19.97], [94.75, 20.5], [94.85, 20.75], [94.82, 20.82], [94.47, 20.97]]]]}, "2023-04-29T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[94.47, 20.97], [94.25, 21.5], [94.47, 22.03], [95.0, 22.25], [95.53, 22.03], [95.68, 21.68], [96.0, 21.54], [96.32, 21.68], [96.47, 22.03], [97.0, 22.25], [97.25, 22.15], [97.5, 22.25], [98.03, 22.03], [98.18, 21.68], [98.25, 21.65], [98.5, 21.75], [98.75, 21.65], [99.0, 21.75], [99.53, 21.53], [99.75, 21.0], [99.65, 20.75], [99.75, 20.5], [99.53, 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[2.0418971122932703, 2.6602373537218282, 3.0862162121331873, 3.33603271784309, 3.075083961148848]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [2.0418971122932703, 3.131874938519502, 4.441923141823111, 4.571951301874094, 3.8219264762599323]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.0702245055824178, 1.3388220455650983, 1.5388371786587314, 1.6667088437178246, 1.5644037296073063]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [1.0702245055824178, 1.4972491644201888, 2.0058227040399172, 2.1999215447495177, 1.9024384965986532]}}