{"version_information": {"version": "det_AHW_v1.1", "compiled_date": "2026-04-05 17:09:00.370952", "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-21_93.0_19.5"}, "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": 2025110001851}, "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 21 2025"}, "duration": {"name": "Duration", "description": "Time elapsed (days) from the start date to the end date", "value": 7}, "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": 81241.26865576852}, "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": ["Bangladesh", "Myanmar"]}, "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": 19.5}, "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": 93.0}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "93.0\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 90.0}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 94.0}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": 18.0}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": 22.0}, "polygons_merged": {"name": "Merged polygon", "description": "Merger or polygons at each time step", "value": {"type": "MultiPolygon", "coordinates": [[[[94.18, 18.68], [94.53, 18.53], [94.75, 18.0], [94.53, 17.47], [94.0, 17.25], [93.75, 17.35], [93.5, 17.25], [93.25, 17.35], [93.0, 17.25], [92.47, 17.47], [92.25, 18.0], [92.35, 18.25], [92.25, 18.5], [92.35, 18.75], [92.25, 19.0], [92.35, 19.25], [92.32, 19.32], [92.25, 19.35], [92.0, 19.25], [91.5, 19.46], [91.0, 19.25], [90.75, 19.35], [90.5, 19.25], [89.97, 19.47], [89.82, 19.82], [89.47, 19.97], [89.25, 20.5], [89.35, 20.75], [89.25, 21.0], [89.35, 21.25], [89.25, 21.5], [89.47, 22.03], [90.0, 22.25], [90.53, 22.03], [90.7, 21.63], [90.82, 21.68], [90.85, 21.75], [90.75, 22.0], [90.97, 22.53], [91.5, 22.75], [92.03, 22.53], [92.18, 22.18], [92.53, 22.03], [92.68, 21.68], [93.03, 21.53], [93.18, 21.18], [93.53, 21.03], [93.68, 20.68], [94.03, 20.53], [94.25, 20.0], [94.03, 19.47], [93.68, 19.32], [93.65, 19.25], [93.68, 19.18], [94.03, 19.03], [94.18, 18.68]]]]}}, "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": {"2025-11-15T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[92.25, 18.5], [92.47, 19.03], [93.0, 19.25], [93.25, 19.15], [93.5, 19.25], [94.03, 19.03], [94.18, 18.68], [94.53, 18.53], [94.75, 18.0], [94.53, 17.47], [94.0, 17.25], [93.75, 17.35], [93.5, 17.25], [93.25, 17.35], [93.0, 17.25], [92.47, 17.47], [92.25, 18.0], [92.35, 18.25], [92.25, 18.5]]]]}, "2025-11-16T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[92.25, 18.5], [92.35, 18.75], [92.25, 19.0], [92.47, 19.53], [93.0, 19.75], [93.53, 19.53], [93.68, 19.18], [94.03, 19.03], [94.18, 18.68], [94.53, 18.53], [94.75, 18.0], [94.53, 17.47], [94.0, 17.25], [93.75, 17.35], [93.5, 17.25], [93.25, 17.35], [93.0, 17.25], [92.47, 17.47], [92.25, 18.0], [92.35, 18.25], [92.25, 18.5]]]]}, "2025-11-17T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[92.25, 18.5], [92.35, 18.75], [92.25, 19.0], [92.35, 19.25], [92.25, 19.5], [92.47, 20.03], [93.0, 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[89.35, 20.75], [89.25, 21.0]], [[90.65, 21.25], [90.75, 21.0], [90.85, 21.25], [90.75, 21.5], [90.65, 21.25]], [[90.65, 20.75], [90.68, 20.68], [90.75, 20.65], [90.82, 20.68], [90.85, 20.75], [90.75, 21.0], [90.65, 20.75]]]]}}}, "max_amp": {"name": "Maximum anomaly amplitude", "description": "Maximum t2m anomaly recorded over entire duration", "value": 2.710685689628349}, "mean_amp": {"name": "Mean anomaly amplitude", "description": "Mean t2m anomaly over entire duration", "value": 1.4651663420300036}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [28.666706848144543, 28.713303290473107, 28.712538837251202, 27.563514428389794, 27.495952166933023, 27.330385289047683, 27.121359761555993]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [28.80549265543624, 28.84401346842452, 28.909385935465536, 28.62020645141604, 28.718545532226585, 28.19477996826174, 28.20442352294924]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [1.1404783776319618, 1.2481099201530792, 1.330546729070006, 1.5562588734076264, 1.6367334822790889, 1.5804520961856718, 1.2043284589607737]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [1.2458932760916923, 1.313514594402136, 1.438635099441285, 2.545649185364198, 2.710685689628349, 2.4814713134637145, 1.9785200130893372]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.4451662350087022, 1.590419278338229, 1.7185100520603116, 1.7744775301415168, 2.004852952287289, 1.9844631867717182, 1.5589832158604995]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [1.5258726218651524, 1.6524564833024566, 1.8398785553348758, 2.2381989113682277, 2.624469803413351, 2.5880173093366854, 1.9558620068488748]}}