{"version_information": {"version": "det_AHW_tail10.0_v1.1", "compiled_date": "2026-07-16 08:51:13.151922", "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": "2012-Aug-04_to_2012-Aug-09_47.0_15.5"}, "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": 2012080001772}, "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": "August 04 2012"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "August 09 2012"}, "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": 94821.87353792475}, "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": ["Saudi Arabia", "Yemen"]}, "IPCC_regions": {"name": "IPCC regions", "description": "List of all IPCC regions affected", "value": ["Arabian-Peninsula"]}, "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": 15.5}, "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": 47.0}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "47.0\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 44.25}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 48.75}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": 14.25}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": 18.25}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2012-08-04T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[44.47, 16.47], [44.25, 17.0], [44.47, 17.53], [45.0, 17.75], [45.25, 17.65], [45.5, 17.75], [46.03, 17.53], [46.25, 17.0], [46.03, 16.47], [45.5, 16.25], [45.25, 16.35], [45.0, 16.25], [44.47, 16.47]]]]}, "2012-08-05T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[43.97, 18.53], [44.5, 18.75], [45.03, 18.53], [45.2, 18.13], [45.5, 18.25], [45.75, 18.15], [46.0, 18.25], [46.25, 18.15], [46.5, 18.25], [47.0, 18.04], [47.5, 18.25], [47.75, 18.15], [48.0, 18.25], [48.25, 18.15], [48.5, 18.25], [49.03, 18.03], [49.25, 17.5], [49.03, 16.97], [48.68, 16.82], [48.65, 16.75], [48.75, 16.5], [48.53, 15.97], [48.18, 15.82], [48.03, 15.47], [47.68, 15.32], [47.65, 15.25], [47.75, 15.0], [47.53, 14.47], [47.0, 14.25], [46.75, 14.35], [46.68, 14.32], [46.53, 13.97], [46.0, 13.75], [45.47, 13.97], [45.25, 14.5], [45.35, 14.75], [45.25, 15.0], [45.35, 15.25], [45.25, 15.5], [45.35, 15.75], [45.32, 15.82], [44.97, 15.97], [44.82, 16.32], [44.47, 16.47], [44.32, 16.82], [43.97, 16.97], [43.75, 17.5], [43.85, 17.75], [43.75, 18.0], [43.97, 18.53]]]]}, "2012-08-06T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[43.97, 18.53], [44.5, 18.75], [45.03, 18.53], [45.2, 18.13], [45.5, 18.25], [45.75, 18.15], [46.0, 18.25], [46.25, 18.15], [46.5, 18.25], [47.0, 18.04], [47.5, 18.25], [47.75, 18.15], [48.0, 18.25], [48.25, 18.15], [48.5, 18.25], [49.03, 18.03], [49.25, 17.5], [49.03, 16.97], [48.68, 16.82], [48.65, 16.75], [48.75, 16.5], [48.53, 15.97], [48.18, 15.82], [48.03, 15.47], [47.68, 15.32], [47.65, 15.25], [47.75, 15.0], [47.53, 14.47], [47.0, 14.25], [46.75, 14.35], [46.68, 14.32], [46.53, 13.97], [46.0, 13.75], [45.47, 13.97], [45.25, 14.5], [45.35, 14.75], [45.25, 15.0], [45.35, 15.25], [45.25, 15.5], [45.35, 15.75], [45.32, 15.82], [44.97, 15.97], [44.82, 16.32], [44.47, 16.47], [44.32, 16.82], [43.97, 16.97], [43.75, 17.5], [43.85, 17.75], [43.75, 18.0], [43.97, 18.53]]]]}, "2012-08-07T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[43.97, 18.53], [44.5, 18.75], [45.03, 18.53], [45.2, 18.13], [45.5, 18.25], [45.75, 18.15], [46.0, 18.25], [46.25, 18.15], [46.5, 18.25], [47.0, 18.04], [47.5, 18.25], [47.75, 18.15], [48.0, 18.25], [48.25, 18.15], [48.5, 18.25], [49.03, 18.03], [49.25, 17.5], [49.03, 16.97], [48.68, 16.82], [48.65, 16.75], [48.75, 16.5], [48.53, 15.97], [48.18, 15.82], [48.03, 15.47], [47.68, 15.32], [47.65, 15.25], [47.75, 15.0], [47.53, 14.47], [47.0, 14.25], [46.75, 14.35], [46.68, 14.32], [46.53, 13.97], [46.0, 13.75], [45.47, 13.97], [45.25, 14.5], [45.35, 14.75], [45.25, 15.0], [45.35, 15.25], [45.25, 15.5], [45.35, 15.75], [45.32, 15.82], [44.97, 15.97], [44.82, 16.32], [44.47, 16.47], [44.32, 16.82], [43.97, 16.97], [43.75, 17.5], [43.85, 17.75], [43.75, 18.0], [43.97, 18.53]]]]}, "2012-08-08T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[45.75, 16.0], [45.97, 16.53], [46.32, 16.68], [46.35, 16.75], [46.25, 17.0], [46.47, 17.53], [46.82, 17.68], [46.97, 18.03], [47.5, 18.25], [47.75, 18.15], [48.0, 18.25], [48.25, 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34.783242298271205]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [35.210186181066376, 37.52859657392423, 37.634289793834625, 38.06824096192787, 37.411474805373075, 34.783242298271205]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [1.7809540590321262, 2.2628208256039386, 2.255739710166125, 2.0844184837129323, 2.030720613053191, 1.8744711916320966]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [1.8106585147160104, 2.736233159227595, 2.7354013205842307, 2.5690398988537595, 2.329338270413359, 1.8744711916320966]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.1959510065667716, 1.410369117091139, 1.427446004730184, 1.3089311287809096, 1.2170071701253542, 1.2319075065350273]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [1.23370147808268, 1.8141836129821112, 1.6772560810197223, 1.607068856607546, 1.4257907711637572, 1.2319075065350273]}}