{"version_information": {"version": "det_AHW_v1.1", "compiled_date": "2026-04-05 17:08:31.004048", "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-Oct-17_to_2025-Oct-26_74.0_23.5"}, "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": 2025100001888}, "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": "October 17 2025"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "October 26 2025"}, "duration": {"name": "Duration", "description": "Time elapsed (days) from the start date to the end date", "value": 10}, "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": 51054.24158246828}, "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": []}, "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": 23.5}, "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": 74.0}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "74.0\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 72.5}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 74.5}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": 22.5}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": 24.5}, "polygons_merged": {"name": "Merged polygon", "description": "Merger or polygons at each time step", "value": {"type": "MultiPolygon", "coordinates": [[[[73.0, 24.75], [73.25, 24.65], [73.5, 24.75], [73.75, 24.65], [73.82, 24.68], [73.97, 25.03], [74.5, 25.25], [75.03, 25.03], 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[74.53, 24.03], [74.75, 23.5], [74.53, 22.97], [74.0, 22.75], [73.47, 22.97], [73.25, 23.5], [73.47, 24.03]]]]}, "2025-10-19T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[73.47, 24.03], [74.0, 24.25], [74.53, 24.03], [74.75, 23.5], [74.53, 22.97], [74.0, 22.75], [73.47, 22.97], [73.25, 23.5], [73.47, 24.03]]]]}, "2025-10-20T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[73.5, 22.75], [72.97, 22.97], [72.75, 23.5], [72.97, 24.03], [73.5, 24.25], [73.75, 24.15], [74.0, 24.25], [74.53, 24.03], [74.75, 23.5], [74.53, 22.97], [74.0, 22.75], [73.75, 22.85], [73.5, 22.75]]]]}, "2025-10-21T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[72.25, 24.0], [72.47, 24.53], [73.0, 24.75], [73.5, 24.54], [74.0, 24.75], [74.53, 24.53], [74.68, 24.18], [75.03, 24.03], [75.25, 23.5], [75.03, 22.97], [74.68, 22.82], [74.53, 22.47], [74.0, 22.25], [73.75, 22.35], [73.5, 22.25], [72.97, 22.47], [72.82, 22.82], [72.47, 22.97], [72.25, 23.5], [72.35, 23.75], [72.25, 24.0]]]]}, "2025-10-22T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[72.25, 23.5], [72.35, 23.75], [72.25, 24.0], [72.47, 24.53], [73.0, 24.75], [73.25, 24.65], [73.5, 24.75], [73.75, 24.65], [73.82, 24.68], [73.97, 25.03], [74.5, 25.25], [75.03, 25.03], [75.25, 24.5], [75.15, 24.25], [75.25, 24.0], [75.15, 23.75], [75.25, 23.5], [75.15, 23.25], [75.25, 23.0], [75.03, 22.47], [74.5, 22.25], [74.25, 22.35], [74.0, 22.25], [73.75, 22.35], [73.5, 22.25], [73.25, 22.35], [73.0, 22.25], [72.47, 22.47], [72.25, 23.0], [72.35, 23.25], [72.25, 23.5]]]]}, "2025-10-23T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[71.75, 24.0], [71.97, 24.53], [72.5, 24.75], [72.75, 24.65], [73.0, 24.75], [73.25, 24.65], [73.5, 24.75], [73.75, 24.65], [73.82, 24.68], [73.97, 25.03], [74.5, 25.25], [75.03, 25.03], [75.25, 24.5], [75.15, 24.25], [75.25, 24.0], [75.15, 23.75], [75.25, 23.5], [75.15, 23.25], [75.25, 23.0], [75.03, 22.47], [74.5, 22.25], [74.25, 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"value": 2.427693148207511}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [30.42233047485354, 29.9387031555176, 30.196880594889365, 29.486877695719386, 29.247065480550134, 28.69525054540395, 29.085332347728638, 29.114143060754827, 28.775247333667892, 27.688985443115257]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [30.42233047485354, 29.9387031555176, 30.196880594889365, 29.59177678426107, 29.99129765828451, 29.96299769083663, 30.311212158203148, 30.327232615153036, 30.008473968505882, 27.789815521240257]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [2.6772992943073746, 2.3099471828055584, 2.681449427357734, 2.098621552687831, 2.3177556816924536, 2.1781119079671587, 2.4842303609909653, 2.649675312290943, 2.445813241613406, 1.9562292089705977]}, 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