{"version_information": {"version": "det_AHW_v1.1", "compiled_date": "2026-04-05 17:02:14.304561", "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": "2024-Nov-21_to_2024-Nov-24_41.0_34.5"}, "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": 2024110002015}, "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": "November 21 2024"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "November 24 2024"}, "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": 60248.68111131176}, "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": ["Iraq", "Syrian Arab Republic"]}, "continents_affected": {"name": "Continents affected", "description": "List of all continents affected", "value": ["Asia", "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": 34.5}, "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": 41.0}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "41.0\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 40.0}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 43.0}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": 34.5}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": 37.0}, "polygons_merged": {"name": "Merged polygon", "description": "Merger or polygons at each time step", "value": {"type": "MultiPolygon", "coordinates": [[[[39.82, 35.68], [39.97, 36.03], [40.38, 36.2], [40.32, 36.32], [39.97, 36.47], [39.75, 37.0], [39.97, 37.53], [40.5, 37.75], [41.0, 37.54], [41.5, 37.75], [41.75, 37.65], [42.0, 37.75], [42.25, 37.65], [42.5, 37.75], [43.03, 37.53], [43.25, 37.0], [43.13, 36.7], [43.53, 36.53], [43.75, 36.0], [43.65, 35.75], [43.75, 35.5], [43.53, 34.97], [43.0, 34.75], [42.75, 34.85], [42.68, 34.82], [42.53, 34.47], [42.18, 34.32], [42.03, 33.97], [41.5, 33.75], [41.25, 33.85], [41.0, 33.75], [40.75, 33.85], [40.5, 33.75], [39.97, 33.97], [39.82, 34.32], [39.47, 34.47], [39.25, 35.0], [39.47, 35.53], [39.82, 35.68]]]]}}, "IPCC_regions": {"name": "IPCC regions", "description": "List of all IPCC regions affected", "value": ["Mediterranean", "W.C.Asia"]}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2024-11-21T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[39.75, 35.0], [39.85, 35.25], [39.75, 35.5], [39.97, 36.03], [40.5, 36.25], [39.97, 36.47], [39.75, 37.0], [39.97, 37.53], [40.5, 37.75], [41.0, 37.54], [41.5, 37.75], [41.75, 37.65], [42.0, 37.75], [42.53, 37.53], [42.75, 37.0], [42.57, 36.57], [43.0, 36.75], [43.53, 36.53], [43.75, 36.0], [43.53, 35.47], [43.0, 35.25], [42.7, 35.38], [42.53, 34.97], [42.18, 34.82], [42.15, 34.75], [42.25, 34.5], [42.03, 33.97], [41.5, 33.75], [41.25, 33.85], [41.0, 33.75], [40.75, 33.85], [40.5, 33.75], [39.97, 33.97], [39.75, 34.5], [39.85, 34.75], [39.75, 35.0]], [[40.75, 36.15], [41.0, 36.25], [41.5, 36.04], [42.0, 36.25], [41.75, 36.35], [41.5, 36.25], [41.0, 36.46], [40.5, 36.25], [40.75, 36.15]], [[42.3, 36.13], [42.43, 36.43], [42.0, 36.25], [42.3, 36.13]]]]}, "2024-11-22T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[39.47, 34.47], [39.25, 35.0], [39.47, 35.53], [39.82, 35.68], [39.97, 36.03], [40.38, 36.2], [40.32, 36.32], [39.97, 36.47], [39.75, 37.0], [39.97, 37.53], [40.5, 37.75], [41.0, 37.54], [41.5, 37.75], [41.75, 37.65], [42.0, 37.75], [42.25, 37.65], [42.5, 37.75], [43.03, 37.53], [43.25, 37.0], [43.13, 36.7], [43.53, 36.53], [43.75, 36.0], [43.65, 35.75], [43.75, 35.5], [43.53, 34.97], [43.0, 34.75], [42.75, 34.85], [42.68, 34.82], [42.53, 34.47], [42.18, 34.32], [42.03, 33.97], [41.5, 33.75], [41.25, 33.85], [41.0, 33.75], [40.75, 33.85], [40.5, 33.75], [39.97, 33.97], [39.82, 34.32], [39.47, 34.47]]]]}, "2024-11-23T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[39.47, 34.47], [39.25, 35.0], [39.47, 35.53], [39.82, 35.68], [39.97, 36.03], [40.38, 36.2], [40.32, 36.32], [39.97, 36.47], [39.75, 37.0], [39.97, 37.53], [40.5, 37.75], [41.0, 37.54], [41.5, 37.75], [41.75, 37.65], [42.0, 37.75], [42.25, 37.65], [42.5, 37.75], [43.03, 37.53], [43.25, 37.0], [43.13, 36.7], [43.53, 36.53], [43.75, 36.0], [43.65, 35.75], [43.75, 35.5], [43.53, 34.97], [43.0, 34.75], [42.75, 34.85], [42.68, 34.82], [42.53, 34.47], [42.18, 34.32], [42.03, 33.97], [41.5, 33.75], [41.25, 33.85], [41.0, 33.75], [40.75, 33.85], [40.5, 33.75], [39.97, 33.97], [39.82, 34.32], [39.47, 34.47]]]]}, "2024-11-24T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[39.47, 34.47], [39.25, 35.0], [39.47, 35.53], [40.0, 35.75], [40.25, 35.65], [40.32, 35.68], [40.46, 36.0], [40.25, 36.5], [40.47, 37.03], [40.82, 37.18], [40.97, 37.53], [41.5, 37.75], [41.75, 37.65], [42.0, 37.75], [42.25, 37.65], [42.5, 37.75], [43.03, 37.53], [43.25, 37.0], [43.13, 36.7], [43.53, 36.53], [43.75, 36.0], [43.65, 35.75], [43.75, 35.5], [43.53, 34.97], [43.0, 34.75], [42.75, 34.85], [42.68, 34.82], [42.53, 34.47], [42.18, 34.32], [42.03, 33.97], [41.5, 33.75], [41.25, 33.85], [41.0, 33.75], [40.75, 33.85], [40.5, 33.75], [39.97, 33.97], [39.82, 34.32], [39.47, 34.47]]]]}}}, "max_amp": {"name": "Maximum anomaly amplitude", "description": "Maximum t2m anomaly recorded over entire duration", "value": 5.311648289290872}, "mean_amp": {"name": "Mean anomaly amplitude", "description": "Mean t2m anomaly over entire duration", "value": 3.927006505961343}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [16.494554333809162, 16.225189887152794, 16.374265713161947, 16.1905342102051]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [17.79079081217452, 17.495151774088583, 17.34076080322268, 17.973940785725915]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [3.606224178980059, 3.6238903208620434, 4.113401664073325, 4.243891728618267]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [3.9666482814266715, 4.048777227853975, 5.311648289290872, 5.115735372806682]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.38518835298083, 1.346309235899892, 1.4565491888731383, 1.416279692759847]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [1.5770441618022928, 1.4917213811660806, 1.911312627060711, 1.732232450060686]}}