{"version_information": {"version": "det_AHW_tail10.0_v1.1", "compiled_date": "2026-07-16 08:47:48.603305", "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": "2011-Jun-21_to_2011-Jun-24_41.5_21.0"}, "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": 2011060002661}, "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": "June 21 2011"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "June 24 2011"}, "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": 66053.29025375428}, "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"]}, "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": 21.0}, "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": 41.5}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "41.5\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 40.25}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 43.25}, "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": 23.25}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2011-06-21T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[39.75, 23.0], [39.97, 23.53], [40.5, 23.75], [40.75, 23.65], [41.0, 23.75], [41.53, 23.53], [41.68, 23.18], [41.75, 23.15], [42.0, 23.25], [42.25, 23.15], [42.5, 23.25], [43.03, 23.03], [43.25, 22.5], [43.15, 22.25], [43.18, 22.18], [43.53, 22.03], [43.75, 21.5], [43.65, 21.25], [43.75, 21.0], [43.53, 20.47], [43.18, 20.32], [43.03, 19.97], [42.5, 19.75], [42.25, 19.85], [42.0, 19.75], [41.47, 19.97], [41.32, 20.32], [40.97, 20.47], [40.82, 20.82], [40.47, 20.97], [40.25, 21.5], [40.35, 21.75], [40.25, 22.0], [40.35, 22.25], [40.32, 22.32], [39.97, 22.47], [39.75, 23.0]]]]}, "2011-06-22T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[39.75, 21.5], [39.97, 22.03], [40.32, 22.18], [40.35, 22.25], [40.32, 22.32], [39.97, 22.47], [39.75, 23.0], [39.97, 23.53], [40.5, 23.75], [40.75, 23.65], [41.0, 23.75], [41.53, 23.53], [41.68, 23.18], [41.75, 23.15], [42.0, 23.25], [42.25, 23.15], [42.5, 23.25], [43.03, 23.03], [43.25, 22.5], [43.15, 22.25], [43.18, 22.18], [43.53, 22.03], [43.75, 21.5], [43.65, 21.25], [43.75, 21.0], [43.53, 20.47], [43.18, 20.32], [43.03, 19.97], [42.5, 19.75], [42.25, 19.85], [42.0, 19.75], [41.47, 19.97], [41.32, 20.32], [41.25, 20.35], [41.0, 20.25], [40.47, 20.47], [40.32, 20.82], [39.97, 20.97], [39.75, 21.5]]]]}, "2011-06-23T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[39.75, 21.5], [39.97, 22.03], [40.32, 22.18], [40.35, 22.25], [40.32, 22.32], [39.97, 22.47], [39.75, 23.0], [39.97, 23.53], [40.5, 23.75], [40.75, 23.65], [41.0, 23.75], [41.53, 23.53], [41.68, 23.18], [41.75, 23.15], [42.0, 23.25], [42.25, 23.15], [42.5, 23.25], [43.03, 23.03], [43.25, 22.5], [43.15, 22.25], [43.18, 22.18], [43.53, 22.03], [43.75, 21.5], [43.65, 21.25], [43.75, 21.0], [43.53, 20.47], [43.18, 20.32], [43.03, 19.97], [42.5, 19.75], [42.25, 19.85], [42.0, 19.75], [41.47, 19.97], [41.32, 20.32], [41.25, 20.35], [41.0, 20.25], [40.47, 20.47], [40.32, 20.82], [39.97, 20.97], [39.75, 21.5]]]]}, "2011-06-24T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[39.75, 21.5], [39.97, 22.03], [40.5, 22.25], [40.75, 22.15], [41.0, 22.25], [41.53, 22.03], [41.68, 21.68], [42.03, 21.53], [42.25, 21.0], [42.03, 20.47], [41.5, 20.25], [41.25, 20.35], [41.0, 20.25], [40.47, 20.47], [40.32, 20.82], [39.97, 20.97], [39.75, 21.5]]]]}}}, "max_amp": {"name": "Maximum anomaly amplitude", "description": "Maximum t2m anomaly recorded over entire duration", "value": 3.539513723633661}, "mean_amp": {"name": "Mean anomaly amplitude", "description": "Mean t2m anomaly over entire duration", "value": 2.4811588735516623}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [36.06059600986612, 36.0353474022379, 35.382181889900096, 32.33184488362957]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [37.59717573442657, 37.86800688510556, 36.86838785282629, 34.19433422428477]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [2.4439441201301704, 2.845097341066642, 2.2556714136015477, 1.880443035516521]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [3.150351902595901, 3.539513723633661, 2.8158537661197443, 1.9289960247443787]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.5446412504746494, 1.8358453859527217, 1.4893440886070684, 1.223289029153244]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [1.798220688131304, 2.159454373010288, 1.837368889419896, 1.281040292045706]}}