{"version_information": {"version": "det_AHW_v1.1", "compiled_date": "2026-04-05 16:22:40.884923", "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": "2022-Aug-22_to_2022-Aug-26_37.0_25.5"}, "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": 2022080002677}, "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": "August 22 2022"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "August 26 2022"}, "duration": {"name": "Duration", "description": "Time elapsed (days) from the start date to the end date", "value": 5}, "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": 74075.68283325326}, "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"]}, "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": 25.5}, "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": 37.0}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "37.0\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 36.0}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 39.5}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": 20.5}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": 25.5}, "polygons_merged": {"name": "Merged polygon", "description": "Merger or polygons at each time step", "value": {"type": "MultiPolygon", "coordinates": [[[[40.03, 21.53], [40.25, 21.0], [40.15, 20.75], [40.25, 20.5], [40.03, 19.97], [39.5, 19.75], [38.97, 19.97], [38.75, 20.5], 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vertices describing the boundary of the event at each time step", "value": {"2022-08-22T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[38.25, 21.5], [38.47, 22.03], [39.0, 22.25], [39.53, 22.03], [39.68, 21.68], [40.03, 21.53], [40.25, 21.0], [40.15, 20.75], [40.25, 20.5], [40.03, 19.97], [39.5, 19.75], [38.97, 19.97], [38.75, 20.5], [38.85, 20.75], [38.82, 20.82], [38.47, 20.97], [38.25, 21.5]]], [[[38.5, 22.25], [37.97, 22.47], [37.75, 23.0], [37.97, 23.53], [38.5, 23.75], [39.03, 23.53], [39.25, 23.0], [39.03, 22.47], [38.5, 22.25]]]]}, "2022-08-23T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[35.47, 23.47], [35.25, 24.0], [35.47, 24.53], [36.0, 24.75], [36.25, 24.65], [36.32, 24.68], [36.35, 24.75], [36.25, 25.0], [36.35, 25.25], [36.25, 25.5], [36.47, 26.03], [37.0, 26.25], [37.53, 26.03], [37.75, 25.5], [37.65, 25.25], [37.75, 25.0], [37.65, 24.75], [37.68, 24.68], [38.03, 24.53], [38.25, 24.0], [38.15, 23.75], [38.2, 23.63], [38.5, 23.75], 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"Maximum t2m anomaly recorded over entire duration", "value": 2.809692735469582}, "mean_amp": {"name": "Mean anomaly amplitude", "description": "Mean t2m anomaly over entire duration", "value": 1.2425540473594106}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [33.49732403158026, 32.29856346718179, 32.60016974167212, 32.27471087540988, 32.32610851941723]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [35.87713360830895, 35.38726795672062, 35.743647722676826, 33.828012564701396, 32.516778790076444]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [1.2704938767673752, 1.1199234733578578, 1.4034525920642869, 1.2599977543267498, 0.9328240754920122]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [1.704935792145136, 1.5857835815131125, 2.749872395016439, 2.809692735469582, 1.3464436283917962]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.7791435538907359, 1.5348452311646732, 1.965681205281393, 1.8270026681411948, 1.3827752404781126]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [2.0252252836386706, 2.1000159370296556, 2.4532647274711366, 2.699075971523782, 1.6099229100209855]}}