{"version_information": {"version": "det_AHW_tail10.0_v1.1", "compiled_date": "2026-07-16 08:54:03.515905", "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-Jul-23_to_2013-Jul-27_58.0_22.0"}, "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": 2013070002763}, "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": "July 23 2013"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "July 27 2013"}, "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": 65921.60912036063}, "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"]}, "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": 22.0}, "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": 58.0}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "58.0\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 56.25}, "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": 20.25}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": 23.75}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2013-07-23T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[55.85, 22.25], [55.75, 22.5], [55.97, 23.03], [56.5, 23.25], [57.03, 23.03], [57.18, 22.68], [57.25, 22.65], [57.32, 22.68], [57.47, 23.03], [58.0, 23.25], [58.53, 23.03], [58.75, 22.5], [58.65, 22.25], [58.75, 22.0], [58.53, 21.47], [58.18, 21.32], [58.03, 20.97], [57.5, 20.75], [57.0, 20.96], [56.5, 20.75], [55.97, 20.97], [55.75, 21.5], [55.85, 21.75], [55.75, 22.0], [55.85, 22.25]]]]}, "2013-07-24T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[55.85, 22.25], [55.75, 22.5], [55.96, 23.0], [55.75, 23.5], [55.97, 24.03], [56.5, 24.25], [57.03, 24.03], [57.18, 23.68], [57.25, 23.65], [57.5, 23.75], [57.75, 23.65], [58.0, 23.75], [58.25, 23.65], [58.5, 23.75], [59.03, 23.53], [59.25, 23.0], [59.03, 22.47], [58.68, 22.32], [58.65, 22.25], [58.68, 22.18], [59.03, 22.03], [59.25, 21.5], [59.15, 21.25], [59.25, 21.0], [59.03, 20.47], [58.68, 20.32], [58.53, 19.97], [58.0, 19.75], [57.47, 19.97], [57.32, 20.32], [57.25, 20.35], [57.0, 20.25], [56.47, 20.47], [56.32, 20.82], [55.97, 20.97], [55.75, 21.5], [55.85, 21.75], [55.75, 22.0], [55.85, 22.25]]]]}, "2013-07-25T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[55.85, 22.25], [55.75, 22.5], [55.96, 23.0], [55.75, 23.5], [55.97, 24.03], [56.5, 24.25], [57.03, 24.03], [57.18, 23.68], [57.25, 23.65], [57.5, 23.75], [57.75, 23.65], [58.0, 23.75], [58.25, 23.65], [58.5, 23.75], [59.03, 23.53], [59.25, 23.0], [59.03, 22.47], [58.68, 22.32], [58.65, 22.25], [58.68, 22.18], [59.03, 22.03], [59.25, 21.5], [59.15, 21.25], [59.25, 21.0], [59.03, 20.47], [58.68, 20.32], [58.53, 19.97], [58.0, 19.75], [57.47, 19.97], [57.32, 20.32], [57.25, 20.35], [57.0, 20.25], [56.47, 20.47], [56.32, 20.82], [55.97, 20.97], [55.75, 21.5], [55.85, 21.75], [55.75, 22.0], [55.85, 22.25]]]]}, "2013-07-26T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[55.85, 22.25], [55.75, 22.5], [55.96, 23.0], [55.75, 23.5], [55.97, 24.03], [56.5, 24.25], [57.03, 24.03], [57.18, 23.68], [57.25, 23.65], [57.5, 23.75], [57.75, 23.65], [58.0, 23.75], [58.25, 23.65], [58.5, 23.75], [59.03, 23.53], [59.25, 23.0], [59.03, 22.47], [58.68, 22.32], [58.65, 22.25], [58.68, 22.18], [59.03, 22.03], [59.25, 21.5], [59.15, 21.25], [59.25, 21.0], [59.03, 20.47], [58.68, 20.32], [58.53, 19.97], [58.0, 19.75], [57.47, 19.97], [57.32, 20.32], [57.25, 20.35], [57.0, 20.25], [56.47, 20.47], [56.32, 20.82], [55.97, 20.97], [55.75, 21.5], [55.85, 21.75], [55.75, 22.0], [55.85, 22.25]]]]}, "2013-07-27T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[55.75, 23.5], [55.97, 24.03], [56.5, 24.25], [57.03, 24.03], [57.18, 23.68], [57.25, 23.65], [57.5, 23.75], [58.03, 23.53], [58.18, 23.18], [58.53, 23.03], [58.75, 22.5], [58.65, 22.25], [58.75, 22.0], [58.53, 21.47], [58.0, 21.25], [57.47, 21.47], [57.32, 21.82], [56.97, 21.97], [56.82, 22.32], [56.47, 22.47], [56.32, 22.82], [55.97, 22.97], [55.75, 23.5]]]]}}}, "max_amp": {"name": "Maximum anomaly amplitude", "description": "Maximum t2m anomaly recorded over entire duration", "value": 6.280477243571738}, "mean_amp": {"name": "Mean anomaly amplitude", "description": "Mean t2m anomaly over entire duration", "value": 3.7199215842215536}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [38.362621199683474, 38.02417524898357, 37.58307432833794, 37.850443171028246, 36.75059808400516]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [39.539029325073955, 40.746813650622414, 39.36130781140287, 40.26376708016261, 37.74494029877957]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [2.870100471835542, 4.006183013594659, 3.678277987282886, 3.9902260559604374, 2.8791475680718386]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [3.4506532417601647, 6.207926024092501, 5.864157652840447, 6.280477243571738, 3.5798120009669105]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.2065447654816142, 1.7498714420719599, 1.6365500818706757, 1.7966477361714812, 1.3021037149764272]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [1.4317566047641166, 2.454739643488257, 2.8356651705801634, 2.6633551632344497, 1.4877419455111796]}}