{"version_information": {"version": "det_AHW_v1.1", "compiled_date": "2026-04-05 17:06:39.179233", "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-Jul-16_to_2025-Jul-20_73.5_20.0"}, "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": 2025070002294}, "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": "July 16 2025"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "July 20 2025"}, "duration": {"name": "Duration", "description": "Time elapsed (days) from the start date to the end date", "value": 5}, "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": 73164.11788614574}, "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": 20.0}, "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": 73.5}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "73.5\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 73.0}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 75.0}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": 16.5}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": 21.5}, "polygons_merged": {"name": "Merged polygon", "description": "Merger or polygons at each time step", "value": {"type": "MultiPolygon", "coordinates": [[[[72.47, 21.53], [72.82, 21.68], [72.97, 22.03], [73.5, 22.25], [74.03, 22.03], [74.25, 21.5], [74.15, 21.25], [74.18, 21.18], [74.53, 21.03], [74.75, 20.5], [74.54, 20.0], [74.75, 19.5], [74.65, 19.25], [74.75, 19.0], [74.65, 18.75], [74.75, 18.5], [74.65, 18.25], [74.68, 18.18], [74.75, 18.15], [75.0, 18.25], [75.53, 18.03], [75.75, 17.5], [75.53, 16.97], [75.18, 16.82], [75.15, 16.75], [75.25, 16.5], [75.03, 15.97], [74.5, 15.75], [74.25, 15.85], [74.0, 15.75], [73.47, 15.97], [73.32, 16.32], [72.97, 16.47], [72.75, 17.0], [72.85, 17.25], [72.75, 17.5], [72.85, 17.75], [72.75, 18.0], [72.85, 18.25], [72.75, 18.5], [72.85, 18.75], [72.82, 18.82], [72.47, 18.97], [72.25, 19.5], [72.35, 19.75], [72.25, 20.0], [72.46, 20.5], [72.25, 21.0], [72.47, 21.53]]]]}}, "IPCC_regions": {"name": "IPCC regions", "description": "List of all IPCC regions affected", "value": ["S.Asia"]}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2025-07-16T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[72.25, 20.0], [72.46, 20.5], [72.25, 21.0], [72.47, 21.53], [72.82, 21.68], [72.97, 22.03], [73.5, 22.25], [74.03, 22.03], [74.25, 21.5], [74.13, 21.2], [74.53, 21.03], [74.75, 20.5], [74.54, 20.0], [74.75, 19.5], [74.65, 19.25], [74.75, 19.0], [74.65, 18.75], [74.75, 18.5], [74.65, 18.25], [74.68, 18.18], [74.75, 18.15], [75.0, 18.25], [75.53, 18.03], [75.75, 17.5], [75.53, 16.97], [75.18, 16.82], [75.15, 16.75], [75.25, 16.5], [75.03, 15.97], [74.5, 15.75], [74.25, 15.85], [74.0, 15.75], [73.47, 15.97], [73.32, 16.32], [72.97, 16.47], [72.75, 17.0], [72.85, 17.25], [72.75, 17.5], [72.85, 17.75], [72.75, 18.0], [72.85, 18.25], [72.75, 18.5], [72.85, 18.75], [72.82, 18.82], [72.47, 18.97], [72.25, 19.5], [72.35, 19.75], [72.25, 20.0]]]]}, "2025-07-17T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[72.25, 20.0], [72.46, 20.5], [72.25, 21.0], [72.47, 21.53], [72.82, 21.68], [72.97, 22.03], [73.5, 22.25], [74.03, 22.03], [74.25, 21.5], [74.15, 21.25], [74.18, 21.18], [74.53, 21.03], [74.75, 20.5], 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[73.47, 16.47], [73.32, 16.82], [72.97, 16.97], [72.75, 17.5], [72.85, 17.75], [72.75, 18.0], [72.85, 18.25], [72.75, 18.5], [72.85, 18.75], [72.82, 18.82], [72.47, 18.97], [72.25, 19.5], [72.35, 19.75], [72.25, 20.0]]]]}, "2025-07-20T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[72.75, 20.5], [72.85, 20.75], [72.75, 21.0], [72.97, 21.53], [73.5, 21.75], [74.03, 21.53], [74.18, 21.18], [74.53, 21.03], [74.75, 20.5], [74.54, 20.0], [74.75, 19.5], [74.65, 19.25], [74.75, 19.0], [74.53, 18.47], [74.0, 18.25], [73.47, 18.47], [73.25, 19.0], [73.35, 19.25], [73.32, 19.32], [72.97, 19.47], [72.75, 20.0], [72.85, 20.25], [72.75, 20.5]]]]}}}, "max_amp": {"name": "Maximum anomaly amplitude", "description": "Maximum t2m anomaly recorded over entire duration", "value": 2.282482878155122}, "mean_amp": {"name": "Mean anomaly amplitude", "description": "Mean t2m anomaly over entire duration", "value": 1.5437949781958735}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [26.412221950954915, 26.62652882893883, 26.22790476481123, 26.20729675292972, 26.058085801866298]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [29.027998860677087, 29.130835469563806, 28.968171691894554, 28.603972371419275, 28.569777425130212]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [1.596810007382982, 1.7444414548102714, 1.3869842067425566, 1.4584165620523748, 1.433680810421265]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [2.0289574743042635, 2.282482878155122, 2.0479560564347707, 1.9287007843328752, 1.6614417582099463]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.879196701707164, 2.058844048166648, 1.604675823879407, 1.585338339125546, 1.3515517584185919]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [2.3974301826983364, 2.7619991838418843, 2.033117292763281, 1.8792360119520024, 1.4123999866653447]}}