{"version_information": {"version": "det_AHW_tail10.0_v1.1", "compiled_date": "2026-07-16 08:54:44.516049", "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-Oct-04_to_2013-Oct-07_58.0_23.5"}, "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": 2013100001743}, "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": "October 04 2013"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "October 07 2013"}, "duration": {"name": "Duration", "description": "Time elapsed (days) from the start date to the end date", "value": 4}, "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": 65427.903624167564}, "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": 23.5}, "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": 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": 55.75}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 59.75}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": 21.75}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": 24.75}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2013-10-04T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[55.85, 24.25], [55.75, 24.5], [55.97, 25.03], [56.5, 25.25], [57.03, 25.03], [57.18, 24.68], [57.53, 24.53], [57.68, 24.18], [57.75, 24.15], [58.0, 24.25], [58.25, 24.15], [58.5, 24.25], [59.03, 24.03], [59.18, 23.68], [59.53, 23.53], [59.68, 23.18], [60.03, 23.03], [60.25, 22.5], [60.15, 22.25], [60.25, 22.0], [60.03, 21.47], [59.5, 21.25], [59.25, 21.35], [59.0, 21.25], [58.75, 21.35], [58.5, 21.25], [58.25, 21.35], [58.0, 21.25], [57.47, 21.47], [57.25, 22.0], [57.35, 22.25], [57.32, 22.32], [56.97, 22.47], [56.8, 22.88], [56.5, 22.75], [55.97, 22.97], [55.75, 23.5], [55.85, 23.75], [55.75, 24.0], [55.85, 24.25]]]]}, "2013-10-05T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[55.47, 24.03], [55.82, 24.18], [55.85, 24.25], [55.75, 24.5], [55.97, 25.03], [56.5, 25.25], [57.03, 25.03], [57.18, 24.68], [57.53, 24.53], [57.68, 24.18], [57.75, 24.15], [58.0, 24.25], [58.25, 24.15], [58.5, 24.25], [59.03, 24.03], [59.18, 23.68], [59.53, 23.53], [59.68, 23.18], [60.03, 23.03], [60.25, 22.5], [60.15, 22.25], [60.25, 22.0], [60.03, 21.47], [59.5, 21.25], [59.25, 21.35], [59.0, 21.25], [58.75, 21.35], [58.5, 21.25], [58.25, 21.35], [58.0, 21.25], [57.47, 21.47], [57.25, 22.0], [57.35, 22.25], [57.32, 22.32], [57.0, 22.46], [56.5, 22.25], [56.25, 22.35], [56.0, 22.25], [55.47, 22.47], [55.25, 23.0], [55.35, 23.25], [55.25, 23.5], [55.47, 24.03]]]]}, "2013-10-06T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[55.47, 24.03], [55.82, 24.18], [55.85, 24.25], [55.75, 24.5], [55.97, 25.03], [56.5, 25.25], [57.03, 25.03], [57.18, 24.68], [57.53, 24.53], [57.68, 24.18], [57.75, 24.15], [58.0, 24.25], [58.25, 24.15], [58.5, 24.25], [59.03, 24.03], [59.18, 23.68], [59.53, 23.53], [59.68, 23.18], [60.03, 23.03], [60.25, 22.5], [60.15, 22.25], [60.25, 22.0], [60.03, 21.47], [59.5, 21.25], [59.25, 21.35], [59.0, 21.25], [58.75, 21.35], [58.5, 21.25], [58.25, 21.35], [58.0, 21.25], [57.47, 21.47], [57.25, 22.0], [57.35, 22.25], [57.32, 22.32], [57.0, 22.46], [56.5, 22.25], [56.25, 22.35], [56.0, 22.25], [55.47, 22.47], [55.25, 23.0], [55.35, 23.25], [55.25, 23.5], [55.47, 24.03]]]]}, "2013-10-07T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[55.47, 24.03], [56.0, 24.25], [56.25, 24.15], [56.5, 24.25], [56.75, 24.15], [57.0, 24.25], [57.25, 24.15], [57.5, 24.25], [57.75, 24.15], [58.0, 24.25], [58.25, 24.15], [58.5, 24.25], [59.03, 24.03], [59.18, 23.68], [59.53, 23.53], [59.75, 23.0], [59.53, 22.47], [59.0, 22.25], [58.47, 22.47], [58.32, 22.82], [58.25, 22.85], [58.0, 22.75], [57.75, 22.85], [57.5, 22.75], [57.25, 22.85], [57.18, 22.82], [57.03, 22.47], [56.5, 22.25], [56.25, 22.35], [56.0, 22.25], [55.47, 22.47], [55.25, 23.0], [55.35, 23.25], [55.25, 23.5], [55.47, 24.03]]]]}}}, "max_amp": {"name": "Maximum anomaly amplitude", "description": "Maximum t2m anomaly recorded over entire duration", "value": 3.2767195520381165}, "mean_amp": {"name": "Mean anomaly amplitude", "description": "Mean t2m anomaly over entire duration", "value": 2.415935942079996}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [32.352216001661986, 32.85528279660275, 32.48772018790646, 32.64204158849486]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [33.545629001570376, 34.5633667675732, 34.48152894175354, 34.07148510951339]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [2.326395213061056, 2.640560303382099, 2.3706608780231493, 2.1466292770487723]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [2.8194991488540495, 3.2767195520381165, 3.10658079127478, 2.782838261940242]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.5066848027145507, 1.7271068889098145, 1.5570090301802437, 1.4663032283521167]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [1.8507075029287323, 1.9922870631084695, 1.9751810396482936, 1.6802961661279145]}}