{"version_information": {"version": "det_AHW_tail10.0_v1.2", "compiled_date": "2026-06-27 18:18:58.965250", "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": "2020-Feb-16_to_2020-Feb-20_43.5_19.0"}, "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": 2020020001842}, "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 16 2020"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "February 20 2020"}, "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": 58580.77302736578}, "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": 19.0}, "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": 43.5}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "43.5\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 40.75}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 45.25}, "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": 20.75}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2020-02-16T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[40.47, 21.03], [41.0, 21.25], [41.53, 21.03], [41.68, 20.68], 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18.32], [43.03, 17.97], [42.5, 17.75], [42.25, 17.85], [42.0, 17.75], [41.47, 17.97], [41.25, 18.5], [41.35, 18.75], [41.32, 18.82], [40.97, 18.97], [40.82, 19.32], [40.47, 19.47], [40.25, 20.0], [40.35, 20.25], [40.25, 20.5], [40.47, 21.03], [41.0, 21.25]]]]}, "2020-02-18T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[40.47, 21.03], [41.0, 21.25], [41.53, 21.03], [41.68, 20.68], [42.03, 20.53], [42.18, 20.18], [42.53, 20.03], [42.68, 19.68], [42.75, 19.65], [43.0, 19.75], [43.25, 19.65], [43.32, 19.68], [43.47, 20.03], [44.0, 20.25], [44.53, 20.03], [44.75, 19.5], [44.65, 19.25], [44.75, 19.0], [44.54, 18.5], [44.75, 18.0], [44.65, 17.75], [44.75, 17.5], [44.65, 17.25], [44.68, 17.18], [44.75, 17.15], [45.0, 17.25], [45.53, 17.03], [45.75, 16.5], [45.53, 15.97], [45.0, 15.75], [44.75, 15.85], [44.5, 15.75], [43.97, 15.97], [43.82, 16.32], [43.75, 16.35], [43.5, 16.25], [42.97, 16.47], [42.75, 17.0], [42.97, 17.53], [43.32, 17.68], [43.35, 17.75], [43.32, 17.82], 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"evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [27.850630801432033, 27.759676987304886, 27.66913134287472, 28.23186129834187, 24.968068373601795]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [2.586904269313826, 2.813781447328597, 3.3062222947571938, 4.085842274288714, 3.385335815670112]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [2.8680553344757413, 4.438509448590651, 5.054262097430978, 7.322276969064603, 4.4116890414014165]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.5198635627939525, 1.4365302609903223, 1.5772461051323552, 1.6943907133748506, 1.3652229506232483]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [1.811633339636039, 1.9019863104926396, 1.979172081428942, 2.27993481471386, 1.5145770484125822]}}