{"version_information": {"version": "det_AHW_tail10.0_v1.1", "compiled_date": "2026-07-16 08:54:32.664477", "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": "2013-Sep-12_to_2013-Sep-18_56.5_17.5"}, "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": 2013090002063}, "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 12 2013"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "September 18 2013"}, "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": 50031.07702404615}, "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": ["Oman"]}, "IPCC_regions": {"name": "IPCC regions", "description": "List of all IPCC regions affected", "value": ["Arabian-Peninsula", "Arabian-Sea"]}, "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": 17.5}, "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": 56.5}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "56.5\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 55.25}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 58.75}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": 16.25}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": 19.25}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2013-09-12T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[56.5, 18.25], [57.03, 18.03], [57.25, 17.5], [57.03, 16.97], [56.5, 16.75], [55.97, 16.97], [55.75, 17.5], [55.97, 18.03], [56.5, 18.25]]]]}, "2013-09-13T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[55.82, 18.18], [55.97, 18.53], [56.32, 18.68], [56.47, 19.03], [57.0, 19.25], [57.25, 19.15], [57.5, 19.25], [58.03, 19.03], [58.25, 18.5], [58.03, 17.97], [57.68, 17.82], [57.53, 17.47], [57.18, 17.32], [57.15, 17.25], [57.25, 17.0], [57.03, 16.47], [56.5, 16.25], [56.25, 16.35], [56.0, 16.25], [55.75, 16.35], [55.5, 16.25], [54.97, 16.47], [54.75, 17.0], [54.97, 17.53], [55.32, 17.68], [55.47, 18.03], [55.82, 18.18]]]]}, "2013-09-14T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[55.82, 18.18], [55.97, 18.53], [56.32, 18.68], [56.47, 19.03], [57.0, 19.25], [57.25, 19.15], [57.32, 19.18], [57.47, 19.53], [58.0, 19.75], [58.53, 19.53], [58.68, 19.18], [59.03, 19.03], [59.25, 18.5], [59.03, 17.97], [58.5, 17.75], [58.25, 17.85], [58.18, 17.82], [58.15, 17.75], [58.25, 17.5], [58.03, 16.97], [57.5, 16.75], [57.25, 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25.976641387227005, 26.382429334912615, 26.56318879494205, 26.572031587130027, 26.422508486902245, 26.184229031339385]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [25.893091456056652, 26.47177809417235, 26.816509322782906, 27.064584748667016, 26.912775069808447, 26.80566577429306, 26.48605413283161]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [1.0223025432444501, 1.2912185063976394, 1.4478553586029155, 1.5535681302323496, 1.5110396443332794, 1.3689147039064389, 1.2231781963130857]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [1.0223025432444501, 1.56883222001602, 1.8621677647127513, 1.8768092187241336, 1.8483414003029566, 1.6071189490722873, 1.3126633521633266]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.1597269129009753, 1.437526493444646, 1.6302273599592036, 1.7670256407885139, 1.7470934318104956, 1.6289648691572052, 1.4949866502693039]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [1.1597269129009753, 1.7431019806814056, 2.051843927383375, 2.0625357838145724, 2.092717846606449, 1.9526632581836578, 1.5544584582445475]}}