{"version_information": {"version": "det_AHW_tail10.0_v1.1", "compiled_date": "2026-07-16 08:44:30.762675", "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": "2010-Apr-08_to_2010-Apr-10_49.0_23.5"}, "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": 2010040001399}, "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 08 2010"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "April 10 2010"}, "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": 56785.8059041075}, "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": 23.5}, "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": 49.0}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "49.0\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 47.25}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 50.75}, "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": 24.75}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2010-04-08T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[47.82, 23.18], [47.97, 23.53], [48.32, 23.68], [48.35, 23.75], [48.25, 24.0], [48.47, 24.53], [48.82, 24.68], [48.97, 25.03], [49.5, 25.25], [49.75, 25.15], [50.0, 25.25], [50.53, 25.03], [50.68, 24.68], [51.03, 24.53], [51.25, 24.0], [51.15, 23.75], [51.25, 23.5], [51.15, 23.25], [51.25, 23.0], [51.03, 22.47], [50.5, 22.25], [50.25, 22.35], [50.0, 22.25], [49.75, 22.35], [49.68, 22.32], [49.53, 21.97], [49.0, 21.75], [48.75, 21.85], [48.68, 21.82], [48.53, 21.47], [48.0, 21.25], [47.75, 21.35], [47.5, 21.25], [46.97, 21.47], [46.75, 22.0], [46.97, 22.53], [47.32, 22.68], [47.47, 23.03], [47.82, 23.18]]]]}, "2010-04-09T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[47.82, 23.18], [47.97, 23.53], [48.32, 23.68], [48.35, 23.75], [48.25, 24.0], [48.47, 24.53], [48.82, 24.68], [48.97, 25.03], [49.5, 25.25], [49.75, 25.15], [50.0, 25.25], [50.53, 25.03], [50.68, 24.68], [51.03, 24.53], [51.25, 24.0], [51.15, 23.75], [51.25, 23.5], [51.15, 23.25], [51.25, 23.0], [51.03, 22.47], [50.5, 22.25], [50.25, 22.35], [50.0, 22.25], [49.75, 22.35], [49.68, 22.32], [49.53, 21.97], [49.0, 21.75], [48.75, 21.85], [48.68, 21.82], [48.53, 21.47], [48.0, 21.25], [47.75, 21.35], [47.5, 21.25], [46.97, 21.47], [46.75, 22.0], [46.97, 22.53], [47.32, 22.68], [47.47, 23.03], [47.82, 23.18]]]]}, "2010-04-10T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[47.82, 23.18], [47.97, 23.53], [48.32, 23.68], [48.35, 23.75], [48.25, 24.0], [48.47, 24.53], [48.82, 24.68], [48.97, 25.03], [49.5, 25.25], [49.75, 25.15], [50.0, 25.25], [50.53, 25.03], [50.68, 24.68], [51.03, 24.53], [51.25, 24.0], [51.15, 23.75], [51.25, 23.5], [51.15, 23.25], [51.25, 23.0], [51.03, 22.47], [50.5, 22.25], [50.25, 22.35], [50.0, 22.25], [49.75, 22.35], [49.68, 22.32], [49.53, 21.97], [49.0, 21.75], [48.75, 21.85], [48.68, 21.82], [48.53, 21.47], [48.0, 21.25], [47.75, 21.35], [47.5, 21.25], [46.97, 21.47], [46.75, 22.0], [46.97, 22.53], [47.32, 22.68], [47.47, 23.03], [47.82, 23.18]]]]}}}, "max_amp": {"name": "Maximum anomaly amplitude", "description": "Maximum t2m anomaly recorded over entire duration", "value": 5.30536274057971}, "mean_amp": {"name": "Mean anomaly amplitude", "description": "Mean t2m anomaly over entire duration", "value": 4.3656881709632795}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [32.422461822967364, 32.18617223422933, 31.571506765759864]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [33.54316616066791, 33.17040964655263, 32.25978829151086]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [4.857848088403043, 4.4930753893535265, 3.746141035133269]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [5.30536274057971, 5.118976663040087, 4.219017827452888]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.6763654447726757, 1.5647380494011756, 1.3350979183934772]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [1.8448801034992341, 1.7560422427804416, 1.4568864611638983]}}