{"version_information": {"version": "det_AHW_v1.1", "compiled_date": "2026-05-28 16:19:55.626746", "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": "2026-May-10_to_2026-May-12_40.5_24.0"}, "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": 2026050001284}, "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 10 2026"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "May 12 2026"}, "duration": {"name": "Duration", "description": "Time elapsed (days) from the start date to the end date", "value": 3}, "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": 50538.28510759283}, "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": 24.0}, "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": 40.5}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "40.5\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 38.75}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 42.25}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": 23.75}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": 25.75}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2026-05-10T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[38.47, 25.53], [39.0, 25.75], [39.25, 25.65], [39.5, 25.75], [39.75, 25.65], [40.0, 25.75], [40.25, 25.65], [40.5, 25.75], [40.75, 25.65], [40.82, 25.68], [40.97, 26.03], [41.5, 26.25], [41.75, 26.15], [42.0, 26.25], [42.53, 26.03], [42.75, 25.5], [42.65, 25.25], [42.75, 25.0], [42.53, 24.47], [42.18, 24.32], [42.03, 23.97], [41.68, 23.82], [41.53, 23.47], [41.0, 23.25], [40.75, 23.35], [40.5, 23.25], [40.25, 23.35], [40.0, 23.25], [39.47, 23.47], [39.32, 23.82], [39.25, 23.85], [39.0, 23.75], [38.47, 23.97], [38.25, 24.5], [38.35, 24.75], [38.25, 25.0], [38.47, 25.53]]]]}, "2026-05-11T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[38.47, 25.53], [39.0, 25.75], [39.25, 25.65], [39.5, 25.75], [39.75, 25.65], [40.0, 25.75], [40.25, 25.65], [40.5, 25.75], [40.75, 25.65], [40.82, 25.68], [40.97, 26.03], [41.5, 26.25], [41.75, 26.15], [42.0, 26.25], [42.53, 26.03], [42.75, 25.5], [42.65, 25.25], [42.75, 25.0], [42.53, 24.47], [42.18, 24.32], [42.03, 23.97], [41.68, 23.82], [41.53, 23.47], [41.0, 23.25], [40.75, 23.35], [40.5, 23.25], [40.25, 23.35], [40.0, 23.25], [39.47, 23.47], [39.32, 23.82], [39.25, 23.85], [39.0, 23.75], [38.47, 23.97], [38.25, 24.5], [38.35, 24.75], [38.25, 25.0], [38.47, 25.53]]]]}, "2026-05-12T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[38.47, 25.53], [39.0, 25.75], [39.25, 25.65], [39.5, 25.75], [39.75, 25.65], [40.0, 25.75], [40.25, 25.65], [40.5, 25.75], [40.75, 25.65], [40.82, 25.68], [40.97, 26.03], [41.5, 26.25], [41.75, 26.15], [42.0, 26.25], [42.53, 26.03], [42.75, 25.5], [42.65, 25.25], [42.75, 25.0], [42.53, 24.47], [42.18, 24.32], [42.03, 23.97], [41.68, 23.82], [41.53, 23.47], [41.0, 23.25], [40.75, 23.35], [40.5, 23.25], [40.25, 23.35], [40.0, 23.25], [39.47, 23.47], [39.32, 23.82], [39.25, 23.85], [39.0, 23.75], [38.47, 23.97], [38.25, 24.5], [38.35, 24.75], [38.25, 25.0], [38.47, 25.53]]]]}}}, "max_amp": {"name": "Maximum anomaly amplitude", "description": "Maximum t2m anomaly recorded over entire duration", "value": 3.6425146214951383}, "mean_amp": {"name": "Mean anomaly amplitude", "description": "Mean t2m anomaly over entire duration", "value": 3.025562769526007}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [32.72982912416808, 32.781408634892216, 33.12667010271991]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [34.062488810221396, 33.68598581949874, 34.29429524739584]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [2.9029907030754476, 2.9499028651363073, 3.223794740366265]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [3.395884852124027, 3.318016055957912, 3.6425146214951383]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.3148970279456331, 1.2955061572163855, 1.3643809322686602]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [1.5441699813715413, 1.4185882453641663, 1.5679357943830623]}}