{"version_information": {"version": "det_AHW_v1.1", "compiled_date": "2026-04-05 16:54:01.180483", "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": "2023-Jun-12_to_2023-Jun-16_53.0_27.0"}, "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": 2023060001983}, "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": "June 12 2023"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "June 16 2023"}, "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": 99661.31529695952}, "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": ["Iran, Islamic Republic of", "Saudi Arabia", "United Arab Emirates"]}, "continents_affected": {"name": "Continents affected", "description": "List of all continents affected", "value": ["Asia", "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": 27.0}, "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": 53.0}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "53.0\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 50.0}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 55.0}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": 24.0}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": 29.0}, "polygons_merged": {"name": "Merged polygon", "description": "Merger or polygons at each time step", "value": {"type": "MultiPolygon", "coordinates": [[[[53.54, 26.5], [53.75, 26.0], [53.65, 25.75], [53.75, 25.5], [53.65, 25.25], [53.75, 25.0], [53.65, 24.75], [53.75, 24.5], [53.53, 23.97], [53.18, 23.82], [53.03, 23.47], [52.5, 23.25], [52.25, 23.35], [52.0, 23.25], [51.47, 23.47], [51.32, 23.82], [50.97, 23.97], [50.75, 24.5], [50.93, 24.93], [50.5, 24.75], [50.25, 24.85], [50.0, 24.75], [49.47, 24.97], [49.25, 25.5], [49.47, 26.03], [50.0, 26.25], [50.25, 26.15], [50.32, 26.18], [50.47, 26.53], [51.0, 26.75], [51.25, 26.65], [51.32, 26.68], [51.47, 27.03], [51.82, 27.18], [51.85, 27.25], [51.75, 27.5], [51.97, 28.03], [52.32, 28.18], [52.35, 28.25], [52.25, 28.5], [52.35, 28.75], [52.25, 29.0], [52.47, 29.53], [53.0, 29.75], [53.25, 29.65], [53.5, 29.75], [54.03, 29.53], [54.2, 29.13], [54.5, 29.25], [54.75, 29.15], [55.0, 29.25], [55.53, 29.03], [55.75, 28.5], [55.65, 28.25], [55.75, 28.0], [55.53, 27.47], [55.0, 27.25], [54.5, 27.46], [54.18, 27.32], [54.03, 26.97], [53.68, 26.82], [53.54, 26.5]]]]}}, "IPCC_regions": {"name": "IPCC regions", "description": "List of all IPCC regions affected", "value": ["W.C.Asia", "Arabian-Peninsula"]}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2023-06-12T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[52.5, 23.25], [51.97, 23.47], [51.75, 24.0], [51.97, 24.53], [52.5, 24.75], [53.03, 24.53], [53.25, 24.0], [53.03, 23.47], [52.5, 23.25]]], [[[49.25, 25.5], [49.47, 26.03], [50.0, 26.25], [50.25, 26.15], [50.32, 26.18], [50.47, 26.53], [51.0, 26.75], [51.25, 26.65], [51.5, 26.75], [52.03, 26.53], [52.25, 26.0], [52.15, 25.75], [52.25, 25.5], [52.03, 24.97], [51.5, 24.75], [51.0, 24.96], [50.5, 24.75], [50.25, 24.85], [50.0, 24.75], [49.47, 24.97], [49.25, 25.5]]], [[[52.47, 29.03], [52.82, 29.18], [52.97, 29.53], [53.5, 29.75], [54.03, 29.53], [54.2, 29.13], [54.5, 29.25], [55.03, 29.03], [55.18, 28.68], [55.53, 28.53], [55.75, 28.0], [55.53, 27.47], [55.0, 27.25], [54.5, 27.46], [54.18, 27.32], [54.03, 26.97], [53.5, 26.75], [53.25, 26.85], [53.0, 26.75], [52.75, 26.85], [52.5, 26.75], 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"description": "The daily evolution of mean t2m.", "value": [34.87131164562908, 34.244319269653374, 34.20334936981487, 33.931410578005966, 33.34755483619199]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [38.316183537917254, 38.030578340199156, 37.35878310618665, 37.08621212960435, 33.808146502064176]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [2.169967747052251, 2.3854697625454184, 2.273952759257734, 2.1917614238789724, 1.852093346929894]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [3.051037803524821, 4.055111005897743, 3.208703509612576, 2.8730843234127974, 2.003759318137895]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.5202338501157606, 1.794706086575909, 1.6683804954301134, 1.5836207799881277, 1.411492352075492]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [2.0268926421585496, 2.5899336357658638, 2.0359594937120082, 2.011895492452197, 1.4272761087687427]}}