{"version_information": {"version": "det_AHW_v1.1", "compiled_date": "2026-04-05 17:10:29.215031", "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": "2026-Feb-11_to_2026-Feb-16_71.5_20.5"}, "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": 2026020001717}, "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": "February 11 2026"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "February 16 2026"}, "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": 78228.80285520313}, "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": 20.5}, "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": 71.5}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "71.5\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 70.25}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 74.25}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": 18.25}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": 22.25}, "polygons_merged": {"name": "Merged polygon", "description": "Merger or polygons at each time step", "value": {"type": "MultiPolygon", "coordinates": [[[[71.82, 21.68], [71.85, 21.75], [71.75, 22.0], [71.97, 22.53], [72.5, 22.75], [72.75, 22.65], [73.0, 22.75], [73.53, 22.53], [73.68, 22.18], [73.75, 22.15], [74.0, 22.25], [74.53, 22.03], [74.75, 21.5], [74.65, 21.25], [74.75, 21.0], [74.65, 20.75], [74.75, 20.5], [74.53, 19.97], [74.0, 19.75], [73.47, 19.97], [73.32, 20.32], [73.2, 20.37], [73.03, 19.97], [72.68, 19.82], [72.65, 19.75], [72.75, 19.5], [72.53, 18.97], [72.18, 18.82], [72.03, 18.47], [71.68, 18.32], [71.53, 17.97], [71.0, 17.75], [70.47, 17.97], [70.32, 18.32], [69.97, 18.47], [69.75, 19.0], [69.85, 19.25], [69.75, 19.5], [69.85, 19.75], [69.75, 20.0], [69.97, 20.53], [70.32, 20.68], [70.47, 21.03], [71.0, 21.25], [71.25, 21.15], [71.32, 21.18], [71.47, 21.53], [71.82, 21.68]]]]}}, "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": {"2026-02-11T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[70.25, 20.0], 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[25.17592555454803, 25.514436057761827, 25.616833788082943, 25.951329991846933, 25.842388522986198, 25.58580652872729]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [25.777383422851585, 26.92737731933596, 27.126358286539755, 26.826833343505882, 26.980657196044945, 26.510065968831384]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [1.734205457162391, 2.1898909938841578, 2.048671846675082, 2.3131602293662152, 2.0831793571016757, 1.7584291445393034]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [2.5334773340777588, 4.186522939967119, 3.4521913730012557, 3.588912766178794, 3.818631529479717, 3.0762758762866724]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.4750667993489086, 1.5332000484375654, 1.6596351065889854, 1.8859353084139352, 1.863157072010533, 1.3912483460498806]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [1.6552979746774448, 2.0638185443101014, 2.0174112188106847, 2.335697879678424, 2.1154399186377386, 1.5448877101903018]}}