{"version_information": {"version": "det_AHW_v1.1", "compiled_date": "2026-05-20 10:52:29.972325", "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-Apr-01_to_2026-Apr-04_38.0_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": 2026040001095}, "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": "April 01 2026"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "April 04 2026"}, "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": 76678.735232128}, "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", "Sahara"]}, "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": ["Red Sea"]}, "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": 38.0}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "38.0\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 35.75}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 41.75}, "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": 25.25}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2026-04-01T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[35.25, 24.5], [35.47, 25.03], [36.0, 25.25], [36.25, 25.15], 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24.53], [38.75, 24.0], [38.65, 23.75], [38.68, 23.68], [38.75, 23.65], [38.82, 23.68], [38.97, 24.03], [39.5, 24.25], [40.0, 24.04], [40.5, 24.25], [41.03, 24.03], [41.18, 23.68], [41.53, 23.53], [41.68, 23.18], [42.03, 23.03], [42.25, 22.5], [42.03, 21.97], [41.68, 21.82], [41.53, 21.47], [41.0, 21.25], [40.5, 21.46], [40.0, 21.25], [39.75, 21.35], [39.5, 21.25], [38.97, 21.47], [38.82, 21.82], [38.75, 21.85], [38.5, 21.75], [37.97, 21.97], [37.82, 22.32], [37.47, 22.47], [37.32, 22.82], [36.97, 22.97], [36.82, 23.32], [36.75, 23.35], [36.5, 23.25], [35.97, 23.47], [35.82, 23.82], [35.47, 23.97], [35.25, 24.5]]]]}, "2026-04-03T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[35.25, 24.5], [35.47, 25.03], [36.0, 25.25], [36.25, 25.15], [36.32, 25.18], [36.47, 25.53], [37.0, 25.75], [37.53, 25.53], [37.75, 25.0], [37.65, 24.75], [37.68, 24.68], [37.75, 24.65], [38.0, 24.75], [38.53, 24.53], [38.75, 24.0], [38.65, 23.75], [38.68, 23.68], [38.75, 23.65], [38.82, 23.68], 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[2.3574074400624454, 3.144239037275455, 3.4900805455760926, 2.794833373522046]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [3.633600965127414, 4.885403879398382, 5.149114536438219, 3.487743003083608]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.4680172597536842, 1.8186548045102697, 2.0706228250478254, 1.3192482861727974]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [1.8315915457095593, 2.483752646826433, 3.2760245585336314, 1.584768061773166]}}