{"version_information": {"version": "det_AHW_v1.1", "compiled_date": "2026-04-05 17:01:09.755021", "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": "2024-Sep-18_to_2024-Sep-23_73.0_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": 2024090001832}, "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": "September 18 2024"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "September 23 2024"}, "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": 67155.63067394693}, "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": ["Arabian Sea"]}, "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": 73.0}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "73.0\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 70.5}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 74.0}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": 17.5}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": 20.0}, "polygons_merged": {"name": "Merged polygon", "description": "Merger or polygons at each time step", "value": {"type": "MultiPolygon", "coordinates": [[[[70.5, 20.75], [70.75, 20.65], [71.0, 20.75], [71.53, 20.53], [71.68, 20.18], [71.75, 20.15], [71.82, 20.18], [71.97, 20.53], [72.5, 20.75], [72.75, 20.65], [73.0, 20.75], [73.53, 20.53], [73.68, 20.18], [73.75, 20.15], [74.0, 20.25], [74.53, 20.03], [74.75, 19.5], [74.65, 19.25], [74.75, 19.0], [74.53, 18.47], [74.0, 18.25], [73.75, 18.35], [73.68, 18.32], [73.65, 18.25], [73.75, 18.0], [73.65, 17.75], [73.75, 17.5], [73.53, 16.97], [73.0, 16.75], [72.47, 16.97], [72.25, 17.5], [72.35, 17.75], [72.32, 17.82], [72.25, 17.85], [72.0, 17.75], [71.47, 17.97], [71.32, 18.32], [71.25, 18.35], [71.0, 18.25], [70.47, 18.47], [70.25, 19.0], [70.35, 19.25], [70.32, 19.32], [69.97, 19.47], [69.75, 20.0], [69.97, 20.53], [70.5, 20.75]]]]}}, "IPCC_regions": {"name": "IPCC regions", "description": "List of all IPCC regions affected", "value": ["S.Asia", "Arabian-Sea"]}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2024-09-18T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[72.25, 20.0], [72.47, 20.53], [73.0, 20.75], [73.53, 20.53], [73.68, 20.18], [73.75, 20.15], [74.0, 20.25], [74.53, 20.03], [74.75, 19.5], [74.65, 19.25], [74.75, 19.0], [74.53, 18.47], [74.0, 18.25], [73.75, 18.35], [73.5, 18.25], [72.97, 18.47], [72.82, 18.82], [72.47, 18.97], [72.25, 19.5], [72.35, 19.75], [72.25, 20.0]]]]}, "2024-09-19T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[69.97, 19.47], [69.75, 20.0], [69.97, 20.53], [70.5, 20.75], [71.03, 20.53], [71.25, 20.0], [71.13, 19.7], [71.3, 19.63], [71.47, 20.03], [72.0, 20.25], [72.25, 20.15], [72.32, 20.18], [72.47, 20.53], [73.0, 20.75], [73.53, 20.53], [73.68, 20.18], [73.75, 20.15], [74.0, 20.25], [74.53, 20.03], [74.75, 19.5], [74.65, 19.25], [74.75, 19.0], [74.53, 18.47], [74.0, 18.25], [73.75, 18.35], [73.68, 18.32], [73.65, 18.25], [73.75, 18.0], [73.53, 17.47], [73.0, 17.25], [72.47, 17.47], [72.25, 18.0], [72.35, 18.25], [72.32, 18.32], [71.97, 18.47], [71.82, 18.82], [71.7, 18.88], [71.53, 18.47], [71.0, 18.25], [70.47, 18.47], [70.25, 19.0], [70.38, 19.3], [69.97, 19.47]]]]}, "2024-09-20T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[69.97, 19.47], [69.75, 20.0], [69.97, 20.53], [70.5, 20.75], [70.75, 20.65], [71.0, 20.75], [71.53, 20.53], [71.7, 20.13], [72.0, 20.25], [72.25, 20.15], [72.32, 20.18], [72.47, 20.53], [73.0, 20.75], [73.53, 20.53], [73.68, 20.18], [73.75, 20.15], [74.0, 20.25], [74.53, 20.03], [74.75, 19.5], [74.65, 19.25], [74.75, 19.0], [74.53, 18.47], [74.0, 18.25], [73.75, 18.35], [73.68, 18.32], [73.65, 18.25], [73.75, 18.0], [73.65, 17.75], [73.75, 17.5], [73.53, 16.97], [73.0, 16.75], [72.47, 16.97], [72.25, 17.5], [72.35, 17.75], [72.32, 17.82], [72.25, 17.85], [72.0, 17.75], [71.47, 17.97], [71.32, 18.32], [71.25, 18.35], [71.0, 18.25], [70.47, 18.47], [70.25, 19.0], [70.35, 19.25], [70.32, 19.32], [69.97, 19.47]]]]}, "2024-09-21T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[69.97, 19.47], [69.75, 20.0], [69.97, 20.53], [70.5, 20.75], [70.75, 20.65], [71.0, 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anomaly amplitude", "description": "Mean t2m anomaly over entire duration", "value": 1.0833575118957286}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [26.191664208306236, 27.397604697091253, 27.73630815536262, 28.21630234894934, 28.33692501292512, 28.39663394746333]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [28.178670501709007, 28.326123809814476, 28.67721837361654, 28.572716013590536, 28.628701782226585, 28.620679473876976]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [1.1211649228681988, 1.1616419883639781, 1.1222970404220676, 0.978569479594973, 1.0744005667339205, 1.0760643271615078]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [1.2813050228235738, 1.7732427579246064, 1.7146228389677276, 1.306433610928309, 1.415248649035675, 1.3747912628992367]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.4107728755572377, 1.6830260711328389, 1.7520695437346188, 1.7636575277441293, 1.8925617102139816, 1.76974123444212]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [1.7255768690650781, 2.1757985925876415, 2.365782908591965, 2.115915482451328, 2.4655410290982678, 2.2299170125274643]}}