{"version_information": {"version": "det_AHW_v1.1", "compiled_date": "2026-04-05 17:09:00.279379", "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-Nov-15_to_2025-Nov-20_91.0_8.0"}, "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": 2025110001844}, "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 2025"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "November 20 2025"}, "duration": {"name": "Duration", "description": "Time elapsed (days) from the start date to the end date", "value": 6}, "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": 98084.18685791231}, "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": ["India"]}, "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": ["Andaman Sea", "Indian 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": 8.0}, "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": 91.0}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "91.0\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 89.0}, "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": 5.0}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": 8.5}, "polygons_merged": {"name": "Merged polygon", "description": "Merger or polygons at each time step", "value": {"type": "MultiPolygon", "coordinates": [[[[88.47, 8.53], [89.0, 8.75], [89.25, 8.65], [89.5, 8.75], [89.75, 8.65], [89.82, 8.68], [89.97, 9.03], [90.5, 9.25], [90.75, 9.15], [91.0, 9.25], [91.25, 9.15], [91.5, 9.25], [91.75, 9.15], [92.0, 9.25], [92.25, 9.15], [92.5, 9.25], [92.75, 9.15], [93.0, 9.25], [93.53, 9.03], [93.68, 8.68], [94.03, 8.53], [94.25, 8.0], [94.03, 7.47], [93.63, 7.3], [93.68, 7.18], [93.75, 7.15], [94.0, 7.25], [94.53, 7.03], [94.75, 6.5], [94.63, 6.2], [95.03, 6.03], [95.25, 5.5], [95.03, 4.97], [94.68, 4.82], [94.53, 4.47], [94.0, 4.25], [93.47, 4.47], [93.32, 4.82], [92.97, 4.97], [92.75, 5.5], [92.85, 5.75], [92.82, 5.82], [92.75, 5.85], [92.5, 5.75], [91.97, 5.97], [91.82, 6.32], [91.47, 6.47], [91.32, 6.82], [91.25, 6.85], [91.0, 6.75], [90.47, 6.97], [90.32, 7.32], [90.25, 7.35], [90.0, 7.25], [89.75, 7.35], [89.5, 7.25], [89.25, 7.35], [89.0, 7.25], [88.47, 7.47], [88.25, 8.0], [88.47, 8.53]]]]}}, "IPCC_regions": {"name": "IPCC regions", "description": "List of all IPCC regions affected", "value": ["S.E.Asia", "Bay-of-Bengal", "Equatorial.Indian-Ocean"]}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2025-11-15T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[89.97, 7.97], [89.75, 8.5], [89.97, 9.03], [90.5, 9.25], [90.75, 9.15], [91.0, 9.25], [91.25, 9.15], [91.5, 9.25], [91.75, 9.15], [92.0, 9.25], [92.53, 9.03], [92.75, 8.5], [92.65, 8.25], [92.75, 8.0], [92.65, 7.75], [92.75, 7.5], [92.65, 7.25], [92.68, 7.18], [92.75, 7.15], [93.0, 7.25], [93.25, 7.15], [93.5, 7.25], [93.75, 7.15], [94.0, 7.25], [94.53, 7.03], [94.75, 6.5], [94.63, 6.2], [95.03, 6.03], [95.25, 5.5], [95.03, 4.97], [94.68, 4.82], [94.53, 4.47], [94.0, 4.25], [93.47, 4.47], [93.32, 4.82], [92.97, 4.97], [92.75, 5.5], [92.85, 5.75], [92.82, 5.82], [92.75, 5.85], [92.5, 5.75], [91.97, 5.97], [91.82, 6.32], [91.47, 6.47], [91.25, 7.0], [91.35, 7.25], [91.3, 7.37], [91.0, 7.25], [90.47, 7.47], [90.32, 7.82], [89.97, 7.97]]]]}, "2025-11-16T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[89.97, 7.97], [89.75, 8.5], [89.97, 9.03], [90.5, 9.25], [90.75, 9.15], [91.0, 9.25], [91.25, 9.15], [91.5, 9.25], [91.75, 9.15], [92.0, 9.25], [92.25, 9.15], [92.5, 9.25], [92.75, 9.15], [93.0, 9.25], [93.53, 9.03], [93.68, 8.68], [94.03, 8.53], [94.25, 8.0], [94.03, 7.47], [93.63, 7.3], [93.68, 7.18], [93.75, 7.15], [94.0, 7.25], [94.53, 7.03], [94.75, 6.5], [94.63, 6.2], [95.03, 6.03], [95.25, 5.5], [95.03, 4.97], [94.68, 4.82], [94.53, 4.47], [94.0, 4.25], [93.47, 4.47], [93.32, 4.82], [92.97, 4.97], [92.75, 5.5], [92.85, 5.75], [92.82, 5.82], [92.75, 5.85], [92.5, 5.75], [91.97, 5.97], [91.82, 6.32], [91.47, 6.47], [91.25, 7.0], [91.35, 7.25], [91.3, 7.37], [91.0, 7.25], [90.47, 7.47], [90.32, 7.82], [89.97, 7.97]]]]}, "2025-11-17T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[89.0, 7.25], [88.47, 7.47], [88.25, 8.0], [88.47, 8.53], [89.0, 8.75], [89.25, 8.65], [89.5, 8.75], [89.75, 8.65], [89.82, 8.68], [89.97, 9.03], [90.5, 9.25], [90.75, 9.15], [91.0, 9.25], [91.25, 9.15], [91.5, 9.25], [91.75, 9.15], [92.0, 9.25], [92.25, 9.15], [92.5, 9.25], [92.75, 9.15], [93.0, 9.25], [93.53, 9.03], [93.68, 8.68], [94.03, 8.53], [94.25, 8.0], [94.03, 7.47], [93.63, 7.3], [93.68, 7.18], [93.75, 7.15], [94.0, 7.25], [94.53, 7.03], [94.75, 6.5], [94.63, 6.2], [95.03, 6.03], [95.25, 5.5], [95.03, 4.97], [94.68, 4.82], [94.53, 4.47], [94.0, 4.25], [93.47, 4.47], [93.32, 4.82], [92.97, 4.97], [92.75, 5.5], [92.85, 5.75], [92.82, 5.82], [92.75, 5.85], [92.5, 5.75], [91.97, 5.97], [91.82, 6.32], [91.47, 6.47], [91.32, 6.82], [91.25, 6.85], [91.0, 6.75], [90.47, 6.97], [90.32, 7.32], [90.25, 7.35], [90.0, 7.25], [89.75, 7.35], [89.5, 7.25], [89.25, 7.35], [89.0, 7.25]]]]}, "2025-11-18T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[89.0, 7.25], [88.47, 7.47], [88.25, 8.0], [88.47, 8.53], [89.0, 8.75], [89.25, 8.65], [89.5, 8.75], [89.75, 8.65], [90.0, 8.75], [90.25, 8.65], [90.5, 8.75], [90.75, 8.65], [91.0, 8.75], [91.25, 8.65], [91.32, 8.68], [91.47, 9.03], [92.0, 9.25], [92.25, 9.15], [92.5, 9.25], [92.75, 9.15], [93.0, 9.25], [93.53, 9.03], [93.68, 8.68], [94.03, 8.53], [94.25, 8.0], [94.03, 7.47], [93.63, 7.3], [93.75, 7.0], [93.65, 6.75], [93.75, 6.5], [93.53, 5.97], [93.0, 5.75], [92.75, 5.85], [92.5, 5.75], [91.97, 5.97], [91.82, 6.32], [91.47, 6.47], [91.32, 6.82], [91.25, 6.85], [91.0, 6.75], [90.47, 6.97], [90.32, 7.32], [90.25, 7.35], [90.0, 7.25], [89.75, 7.35], [89.5, 7.25], [89.25, 7.35], [89.0, 7.25]]]]}, "2025-11-19T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[89.0, 7.25], [88.47, 7.47], [88.25, 8.0], [88.47, 8.53], [89.0, 8.75], [89.25, 8.65], [89.5, 8.75], [89.75, 8.65], [90.0, 8.75], [90.25, 8.65], [90.5, 8.75], [90.75, 8.65], [91.0, 8.75], [91.25, 8.65], [91.32, 8.68], [91.47, 9.03], [92.0, 9.25], [92.53, 9.03], [92.75, 8.5], [92.65, 8.25], [92.75, 8.0], [92.65, 7.75], [92.68, 7.68], [93.03, 7.53], [93.25, 7.0], [93.03, 6.47], [92.5, 6.25], [92.25, 6.35], [92.0, 6.25], [91.47, 6.47], [91.32, 6.82], [91.25, 6.85], [91.0, 6.75], [90.47, 6.97], [90.32, 7.32], [90.25, 7.35], [90.0, 7.25], [89.75, 7.35], [89.5, 7.25], [89.25, 7.35], [89.0, 7.25]]]]}, "2025-11-20T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[88.97, 8.53], [89.5, 8.75], [90.03, 8.53], [90.25, 8.0], [90.03, 7.47], [89.5, 7.25], [88.97, 7.47], [88.75, 8.0], [88.97, 8.53]]]]}}}, "max_amp": {"name": "Maximum anomaly amplitude", "description": "Maximum t2m anomaly recorded over entire duration", "value": 1.2458390853595915}, "mean_amp": {"name": "Mean anomaly amplitude", "description": "Mean t2m anomaly over entire duration", "value": 0.9444144531260985}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [27.60946209477447, 27.602802530924578, 27.73343175252279, 27.671224443840288, 27.67044982910153, 27.62861785888674]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [27.753083801269554, 27.94655253092452, 28.019737497965536, 27.87875137329104, 27.802529907226585, 27.62861785888674]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [0.9351643632403968, 0.9017163114139112, 1.0039524792715433, 0.9294036175927054, 0.9228530678921805, 0.8744390771090593]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [1.1318517555253038, 1.1449373541678938, 1.2458390853595915, 1.1591819620879278, 1.046211882181069, 0.8744390771090593]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.6766605952537499, 1.6245115495117448, 1.7667709655155224, 1.5983975019396544, 1.5326831968710553, 1.4408575076955195]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [2.047189097624415, 1.9773378996808477, 2.261310395349167, 2.050133732775027, 1.752456290221223, 1.4408575076955195]}}