{"version_information": {"version": "det_AHW_tail10.0_v1.1", "compiled_date": "2026-07-16 08:44:46.242094", "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": "2010-May-13_to_2010-May-18_47.0_13.5"}, "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": 2010050001873}, "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": "May 13 2010"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "May 18 2010"}, "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": 132786.8885661618}, "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": ["Yemen"]}, "IPCC_regions": {"name": "IPCC regions", "description": "List of all IPCC regions affected", "value": ["Arabian-Peninsula", "N.Eastern-Africa"]}, "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": ["Gulf of Aden"]}, "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": 13.5}, "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": 43.75}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 49.75}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": 10.75}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": 14.25}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2010-05-13T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[44.75, 11.5], [44.97, 12.03], [45.5, 12.25], [45.75, 12.15], [46.0, 12.25], [46.53, 12.03], [46.68, 11.68], [47.03, 11.53], [47.25, 11.0], [47.03, 10.47], [46.5, 10.25], [46.25, 10.35], [46.0, 10.25], [45.47, 10.47], [45.32, 10.82], [44.97, 10.97], [44.75, 11.5]]]]}, "2010-05-14T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[44.75, 11.5], [44.97, 12.03], [45.38, 12.2], [45.25, 12.5], [45.47, 13.03], [46.0, 13.25], [46.25, 13.15], [46.32, 13.18], [46.35, 13.25], [46.25, 13.5], [46.47, 14.03], [47.0, 14.25], [47.53, 14.03], [47.75, 13.5], [47.65, 13.25], [47.75, 13.0], [47.54, 12.5], [47.68, 12.18], [47.75, 12.15], [48.0, 12.25], [48.25, 12.15], [48.5, 12.25], [48.75, 12.15], [49.0, 12.25], [49.53, 12.03], [49.75, 11.5], [49.53, 10.97], [49.0, 10.75], [48.75, 10.85], [48.5, 10.75], [48.25, 10.85], [48.0, 10.75], [47.75, 10.85], [47.5, 10.75], [47.2, 10.88], [47.03, 10.47], [46.5, 10.25], [46.25, 10.35], [46.0, 10.25], [45.47, 10.47], [45.32, 10.82], [44.97, 10.97], [44.75, 11.5]]]]}, "2010-05-15T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[43.97, 11.47], [43.75, 12.0], [43.97, 12.53], [44.5, 12.75], [44.75, 12.65], [44.82, 12.68], [44.85, 12.75], [44.75, 13.0], [44.97, 13.53], [45.5, 13.75], [45.75, 13.65], [45.82, 13.68], [45.97, 14.03], [46.5, 14.25], [46.75, 14.15], [47.0, 14.25], [47.25, 14.15], [47.32, 14.18], [47.47, 14.53], [48.0, 14.75], [48.25, 14.65], [48.5, 14.75], [48.75, 14.65], [49.0, 14.75], [49.53, 14.53], [49.75, 14.0], [49.65, 13.75], [49.75, 13.5], [49.65, 13.25], [49.75, 13.0], [49.65, 12.75], [49.68, 12.68], [50.03, 12.53], [50.25, 12.0], [50.03, 11.47], [49.68, 11.32], [49.53, 10.97], [49.0, 10.75], [48.75, 10.85], [48.5, 10.75], [48.25, 10.85], [48.0, 10.75], [47.75, 10.85], [47.5, 10.75], [47.2, 10.88], [47.03, 10.47], [46.5, 10.25], [46.25, 10.35], [46.0, 10.25], [45.47, 10.47], [45.32, 10.82], [44.97, 10.97], [44.82, 11.32], [44.75, 11.35], [44.5, 11.25], [43.97, 11.47]]]]}, "2010-05-16T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[43.47, 12.03], [43.82, 12.18], [43.97, 12.53], [44.5, 12.75], [44.75, 12.65], [44.82, 12.68], [44.85, 12.75], [44.75, 13.0], [44.97, 13.53], [45.5, 13.75], [45.75, 13.65], [45.82, 13.68], [45.97, 14.03], [46.5, 14.25], [46.75, 14.15], [47.0, 14.25], [47.25, 14.15], [47.32, 14.18], [47.47, 14.53], [48.0, 14.75], [48.25, 14.65], [48.5, 14.75], [48.75, 14.65], [49.0, 14.75], [49.53, 14.53], [49.75, 14.0], [49.65, 13.75], [49.75, 13.5], [49.65, 13.25], [49.75, 13.0], [49.65, 12.75], [49.68, 12.68], [50.03, 12.53], [50.25, 12.0], [50.03, 11.47], [49.68, 11.32], [49.53, 10.97], [49.0, 10.75], [48.75, 10.85], [48.5, 10.75], [48.25, 10.85], [48.0, 10.75], [47.75, 10.85], [47.5, 10.75], [46.97, 10.97], [46.82, 11.32], [46.47, 11.47], [46.32, 11.82], [46.25, 11.85], [46.18, 11.82], [46.03, 11.47], [45.5, 11.25], [45.25, 11.35], [45.0, 11.25], [44.75, 11.35], [44.68, 11.32], [44.65, 11.25], [44.75, 11.0], [44.53, 10.47], [44.0, 10.25], [43.47, 10.47], [43.25, 11.0], [43.35, 11.25], [43.25, 11.5], [43.47, 12.03]]]]}, "2010-05-17T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[43.47, 12.03], [43.82, 12.18], [43.97, 12.53], [44.5, 12.75], [44.75, 12.65], [44.82, 12.68], [44.85, 12.75], [44.75, 13.0], [44.97, 13.53], [45.5, 13.75], [45.75, 13.65], [45.82, 13.68], [45.97, 14.03], [46.5, 14.25], [46.75, 14.15], [47.0, 14.25], [47.25, 14.15], [47.32, 14.18], [47.47, 14.53], [48.0, 14.75], [48.25, 14.65], [48.5, 14.75], [48.75, 14.65], [49.0, 14.75], [49.53, 14.53], [49.75, 14.0], [49.65, 13.75], [49.75, 13.5], [49.65, 13.25], [49.75, 13.0], [49.65, 12.75], [49.68, 12.68], [50.03, 12.53], [50.25, 12.0], [50.03, 11.47], [49.68, 11.32], [49.53, 10.97], [49.0, 10.75], [48.75, 10.85], [48.5, 10.75], [48.25, 10.85], [48.0, 10.75], [47.75, 10.85], [47.5, 10.75], [46.97, 10.97], [46.82, 11.32], [46.47, 11.47], [46.32, 11.82], [46.25, 11.85], [46.18, 11.82], [46.03, 11.47], [45.5, 11.25], [45.25, 11.35], [45.0, 11.25], [44.75, 11.35], [44.68, 11.32], [44.65, 11.25], [44.75, 11.0], [44.53, 10.47], [44.0, 10.25], [43.47, 10.47], [43.25, 11.0], [43.35, 11.25], [43.25, 11.5], [43.47, 12.03]]]]}, "2010-05-18T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[44.0, 12.25], [44.53, 12.03], [44.75, 11.5], [44.65, 11.25], [44.75, 11.0], [44.53, 10.47], [44.0, 10.25], [43.47, 10.47], [43.25, 11.0], [43.35, 11.25], [43.25, 11.5], [43.47, 12.03], [44.0, 12.25]]], [[[46.75, 14.15], [47.0, 14.25], [47.53, 14.03], [47.75, 13.5], [47.53, 12.97], [47.18, 12.82], [47.03, 12.47], [46.5, 12.25], [46.25, 12.35], [46.0, 12.25], [45.47, 12.47], [45.25, 13.0], [45.47, 13.53], [45.82, 13.68], [45.97, 14.03], [46.5, 14.25], [46.75, 14.15]]]]}}}, "max_amp": {"name": "Maximum anomaly amplitude", "description": "Maximum t2m anomaly recorded over entire duration", "value": 1.8280967368000347}, "mean_amp": {"name": "Mean anomaly amplitude", "description": "Mean t2m anomaly over entire duration", "value": 1.0892667484403746}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [30.68058808816528, 30.75072212610246, 30.63926697112157, 30.822915397871782, 30.868515909610437, 30.980685218621772]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [31.168310286116082, 31.59661444677573, 31.547926668558887, 31.6576595291088, 31.92614255653524, 31.386128366667037]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [0.9111053502773103, 0.972548254528848, 1.0268724358145627, 1.1691591709111038, 1.1404416898812173, 1.013509794223296]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [1.024760739096223, 1.364123529718313, 1.3359371812299514, 1.492748045656299, 1.8280967368000347, 1.1469290590449646]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.4480920224858052, 1.618701417153559, 1.6982743160253235, 1.923606203986305, 1.8296905621044222, 1.5091054532843042]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [1.5759996343435991, 2.0496027204365395, 2.1215058330270127, 2.4653907625020843, 2.3777075435807418, 1.637063756707076]}}