{"version_information": {"version": "det_AHW_v1.1", "compiled_date": "2026-04-05 17:09:32.805355", "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": "2025-Dec-13_to_2025-Dec-16_94.5_18.0"}, "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": 2025120001855}, "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 13 2025"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "December 16 2025"}, "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": 52912.63348346516}, "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"]}, "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": []}, "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": 18.0}, "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": 94.5}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "94.5\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 93.0}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 94.5}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": 17.0}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": 19.0}, "polygons_merged": {"name": "Merged polygon", "description": "Merger or polygons at each time step", "value": {"type": "MultiPolygon", "coordinates": [[[[95.15, 17.75], [95.25, 17.5], [95.03, 16.97], [94.68, 16.82], [94.53, 16.47], [94.0, 16.25], [93.75, 16.35], [93.5, 16.25], [93.25, 16.35], [93.0, 16.25], [92.47, 16.47], [92.25, 17.0], [92.35, 17.25], [92.25, 17.5], [92.35, 17.75], [92.25, 18.0], [92.35, 18.25], [92.25, 18.5], [92.35, 18.75], [92.25, 19.0], [92.47, 19.53], [93.0, 19.75], [93.25, 19.65], [93.5, 19.75], [93.75, 19.65], [94.0, 19.75], [94.53, 19.53], [94.68, 19.18], [95.03, 19.03], [95.25, 18.5], [95.15, 18.25], [95.25, 18.0], [95.15, 17.75]]]]}}, "IPCC_regions": {"name": "IPCC regions", "description": "List of all IPCC regions affected", "value": ["S.Asia", "S.E.Asia", "Bay-of-Bengal"]}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2025-12-13T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[92.25, 17.5], [92.35, 17.75], [92.25, 18.0], [92.35, 18.25], [92.25, 18.5], [92.35, 18.75], [92.25, 19.0], [92.47, 19.53], [93.0, 19.75], [93.25, 19.65], [93.5, 19.75], [93.75, 19.65], [94.0, 19.75], [94.53, 19.53], [94.68, 19.18], [95.03, 19.03], [95.25, 18.5], [95.15, 18.25], [95.25, 18.0], [95.15, 17.75], [95.25, 17.5], [95.03, 16.97], [94.68, 16.82], [94.53, 16.47], [94.0, 16.25], [93.75, 16.35], [93.5, 16.25], [93.25, 16.35], [93.0, 16.25], [92.47, 16.47], [92.25, 17.0], [92.35, 17.25], [92.25, 17.5]]]]}, "2025-12-14T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[92.25, 17.5], [92.35, 17.75], [92.25, 18.0], [92.35, 18.25], [92.25, 18.5], [92.35, 18.75], [92.25, 19.0], [92.47, 19.53], [93.0, 19.75], [93.25, 19.65], [93.5, 19.75], [93.75, 19.65], [94.0, 19.75], [94.53, 19.53], [94.68, 19.18], [95.03, 19.03], [95.25, 18.5], [95.15, 18.25], [95.25, 18.0], [95.15, 17.75], [95.25, 17.5], [95.03, 16.97], [94.68, 16.82], [94.53, 16.47], [94.0, 16.25], [93.75, 16.35], [93.5, 16.25], [93.25, 16.35], [93.0, 16.25], [92.47, 16.47], [92.25, 17.0], [92.35, 17.25], [92.25, 17.5]]]]}, "2025-12-15T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[92.25, 17.5], [92.35, 17.75], [92.25, 18.0], [92.35, 18.25], [92.25, 18.5], [92.35, 18.75], [92.25, 19.0], [92.47, 19.53], [93.0, 19.75], [93.25, 19.65], [93.5, 19.75], [93.75, 19.65], [94.0, 19.75], [94.53, 19.53], [94.68, 19.18], [95.03, 19.03], [95.25, 18.5], [95.15, 18.25], [95.25, 18.0], [95.15, 17.75], [95.25, 17.5], [95.03, 16.97], [94.68, 16.82], [94.53, 16.47], [94.0, 16.25], [93.75, 16.35], [93.5, 16.25], [93.25, 16.35], [93.0, 16.25], [92.47, 16.47], [92.25, 17.0], [92.35, 17.25], [92.25, 17.5]]]]}, "2025-12-16T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[93.75, 18.0], [93.97, 18.53], [94.5, 18.75], [95.03, 18.53], [95.25, 18.0], [95.03, 17.47], [94.63, 17.3], [94.75, 17.0], [94.53, 16.47], [94.0, 16.25], [93.47, 16.47], [93.25, 17.0], [93.47, 17.53], [93.88, 17.7], [93.75, 18.0]]]]}}}, "max_amp": {"name": "Maximum anomaly amplitude", "description": "Maximum t2m anomaly recorded over entire duration", "value": 2.2669595173733796}, "mean_amp": {"name": "Mean anomaly amplitude", "description": "Mean t2m anomaly over entire duration", "value": 1.3757550139137555}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [26.768880462646507, 27.01170261524345, 26.95383365772392, 26.601716613769554]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [27.288574473063193, 27.538223520914755, 27.484871164957724, 27.14008738199874]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [1.2410072746935, 1.4860121750763002, 1.4264047330631355, 1.140322744088735]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [2.2669595173733796, 2.24854523295204, 1.9817302185838344, 1.478410543761413]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.409882928340742, 1.7010611697570335, 1.6420363397994275, 1.1897367843287077]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [1.6622817962488572, 2.001947305941553, 1.996124389496923, 1.288251117496691]}}