{"version_information": {"version": "det_AHW_v1.1", "compiled_date": "2026-04-05 16:55:24.535845", "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-Sep-18_to_2023-Sep-21_97.0_10.0"}, "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": 2023090001639}, "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": "September 18 2023"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "September 21 2023"}, "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": 66988.09261441928}, "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": ["Andaman 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": 10.0}, "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": 97.0}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "97.0\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 95.5}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 98.5}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": 8.5}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": 11.5}, "polygons_merged": {"name": "Merged polygon", "description": "Merger or polygons at each time step", "value": {"type": "MultiPolygon", "coordinates": [[[[95.75, 10.0], [95.85, 10.25], [95.82, 10.32], [95.47, 10.47], [95.32, 10.82], [94.97, 10.97], [94.75, 11.5], [94.97, 12.03], [95.5, 12.25], [96.03, 12.03], [96.18, 11.68], [96.53, 11.53], [96.68, 11.18], [96.8, 11.13], [96.97, 11.53], [97.5, 11.75], [98.03, 11.53], [98.18, 11.18], [98.25, 11.15], [98.5, 11.25], [99.03, 11.03], [99.25, 10.5], [99.15, 10.25], [99.25, 10.0], [99.15, 9.75], [99.25, 9.5], [99.03, 8.97], [98.68, 8.82], [98.53, 8.47], [98.0, 8.25], [97.75, 8.35], [97.5, 8.25], [97.25, 8.35], [97.0, 8.25], [96.75, 8.35], [96.68, 8.32], [96.53, 7.97], [96.0, 7.75], [95.47, 7.97], [95.25, 8.5], [95.47, 9.03], [95.82, 9.18], [95.85, 9.25], [95.75, 9.5], [95.85, 9.75], [95.75, 10.0]]]]}}, "IPCC_regions": {"name": "IPCC regions", "description": "List of all IPCC regions affected", "value": ["S.E.Asia"]}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2023-09-18T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[95.85, 9.25], [95.75, 9.5], [95.85, 9.75], [95.75, 10.0], [95.97, 10.53], [96.5, 10.75], [96.75, 10.65], [96.82, 10.68], [96.85, 10.75], [96.75, 11.0], [96.97, 11.53], [97.5, 11.75], [98.03, 11.53], [98.18, 11.18], [98.25, 11.15], [98.5, 11.25], [99.03, 11.03], [99.25, 10.5], [99.15, 10.25], [99.25, 10.0], [99.15, 9.75], [99.25, 9.5], [99.03, 8.97], [98.68, 8.82], [98.53, 8.47], [98.0, 8.25], [97.75, 8.35], [97.5, 8.25], [97.25, 8.35], [97.0, 8.25], [96.75, 8.35], [96.68, 8.32], [96.53, 7.97], [96.0, 7.75], [95.47, 7.97], [95.25, 8.5], [95.47, 9.03], [95.82, 9.18], [95.85, 9.25]]]]}, "2023-09-19T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[94.97, 10.97], [94.75, 11.5], [94.97, 12.03], [95.5, 12.25], [96.03, 12.03], [96.18, 11.68], [96.53, 11.53], [96.68, 11.18], [96.8, 11.13], [96.97, 11.53], [97.5, 11.75], [98.03, 11.53], [98.18, 11.18], [98.25, 11.15], [98.5, 11.25], [99.03, 11.03], [99.25, 10.5], [99.15, 10.25], [99.25, 10.0], [99.15, 9.75], [99.25, 9.5], [99.03, 8.97], [98.68, 8.82], [98.53, 8.47], [98.0, 8.25], [97.75, 8.35], [97.5, 8.25], [97.25, 8.35], [97.0, 8.25], [96.75, 8.35], [96.68, 8.32], [96.53, 7.97], [96.0, 7.75], [95.47, 7.97], [95.25, 8.5], [95.47, 9.03], [95.82, 9.18], [95.85, 9.25], [95.75, 9.5], [95.85, 9.75], [95.75, 10.0], [95.85, 10.25], [95.82, 10.32], [95.47, 10.47], [95.32, 10.82], [94.97, 10.97]]]]}, "2023-09-20T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[94.97, 10.97], [94.75, 11.5], [94.97, 12.03], [95.5, 12.25], [96.03, 12.03], [96.18, 11.68], [96.53, 11.53], [96.68, 11.18], [96.8, 11.13], [96.97, 11.53], [97.5, 11.75], [98.03, 11.53], [98.18, 11.18], [98.25, 11.15], [98.5, 11.25], [99.03, 11.03], [99.25, 10.5], [99.15, 10.25], [99.25, 10.0], [99.15, 9.75], [99.25, 9.5], [99.03, 8.97], [98.68, 8.82], [98.53, 8.47], [98.0, 8.25], [97.75, 8.35], [97.5, 8.25], [97.25, 8.35], [97.0, 8.25], [96.75, 8.35], [96.68, 8.32], [96.53, 7.97], [96.0, 7.75], [95.47, 7.97], [95.25, 8.5], [95.47, 9.03], [95.82, 9.18], [95.85, 9.25], [95.75, 9.5], [95.85, 9.75], [95.75, 10.0], [95.85, 10.25], [95.82, 10.32], [95.47, 10.47], [95.32, 10.82], [94.97, 10.97]]]]}, "2023-09-21T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[94.97, 10.97], [94.75, 11.5], [94.97, 12.03], [95.5, 12.25], [96.03, 12.03], [96.18, 11.68], [96.53, 11.53], [96.68, 11.18], [97.03, 11.03], [97.18, 10.68], [97.53, 10.53], [97.75, 10.0], [97.53, 9.47], [97.0, 9.25], [96.47, 9.47], [96.32, 9.82], [95.97, 9.97], [95.82, 10.32], [95.47, 10.47], [95.32, 10.82], [94.97, 10.97]]]]}}}, "max_amp": {"name": "Maximum anomaly amplitude", "description": "Maximum t2m anomaly recorded over entire duration", "value": 1.5138701879587302}, "mean_amp": {"name": "Mean anomaly amplitude", "description": "Mean t2m anomaly over entire duration", "value": 1.065051497474564}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [27.769175464667057, 27.89383744524156, 27.719774499714447, 27.61931451402745]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [28.110933604132356, 28.278399890683488, 27.908725660292703, 27.668408664486435]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [1.0905154113067128, 1.175838668559839, 0.9871318296708812, 0.7633266387231004]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [1.5138701879587302, 1.3865139201705006, 1.296900651201156, 0.7764637870112097]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.9341719142571296, 2.1345358617081525, 1.7764847510827926, 1.5783765341096163]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [2.440654038531343, 2.480793970135193, 2.2549097402714473, 1.6765580462813838]}}