{"version_information": {"version": "det_AHW_v1.1", "compiled_date": "2026-04-05 17:00:35.591550", "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": "2024-Aug-01_to_2024-Aug-04_50.0_26.5"}, "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": 2024080001060}, "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 01 2024"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "August 04 2024"}, "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": 64020.84768583996}, "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": ["Qatar", "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": 26.5}, "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": 50.0}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "50.0\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 49.5}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 53.0}, "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": 27.0}, "polygons_merged": {"name": "Merged polygon", "description": "Merger or polygons at each time step", "value": {"type": "MultiPolygon", "coordinates": [[[[49.5, 27.75], [49.75, 27.65], [50.0, 27.75], [50.25, 27.65], [50.5, 27.75], [50.75, 27.65], [51.0, 27.75], [51.53, 27.53], [51.68, 27.18], [51.75, 27.15], [52.0, 27.25], [52.53, 27.03], [52.68, 26.68], [53.03, 26.53], [53.25, 26.0], [53.15, 25.75], [53.18, 25.68], [53.53, 25.53], [53.75, 25.0], [53.53, 24.47], [53.18, 24.32], [53.03, 23.97], [52.68, 23.82], [52.53, 23.47], [52.0, 23.25], [51.47, 23.47], [51.32, 23.82], [50.97, 23.97], [50.75, 24.5], [50.85, 24.75], [50.75, 25.0], [50.85, 25.25], [50.75, 25.5], [50.85, 25.75], [50.82, 25.82], [50.75, 25.85], [50.5, 25.75], [50.25, 25.85], [50.0, 25.75], [49.47, 25.97], [49.32, 26.32], [48.97, 26.47], [48.75, 27.0], [48.97, 27.53], [49.5, 27.75]]]]}}, "IPCC_regions": {"name": "IPCC regions", "description": "List of all IPCC regions affected", "value": ["Arabian-Peninsula"]}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2024-08-01T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[49.47, 27.03], [50.0, 27.25], [50.53, 27.03], [50.75, 26.5], [50.53, 25.97], [50.0, 25.75], [49.47, 25.97], [49.25, 26.5], [49.47, 27.03]]]]}, "2024-08-02T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[48.97, 26.47], [48.75, 27.0], [48.97, 27.53], [49.5, 27.75], [49.75, 27.65], [50.0, 27.75], [50.25, 27.65], [50.5, 27.75], [50.75, 27.65], [51.0, 27.75], [51.53, 27.53], [51.68, 27.18], [51.75, 27.15], [52.0, 27.25], [52.53, 27.03], [52.68, 26.68], [53.03, 26.53], [53.25, 26.0], [53.15, 25.75], [53.18, 25.68], [53.53, 25.53], [53.75, 25.0], [53.53, 24.47], [53.18, 24.32], [53.03, 23.97], [52.68, 23.82], [52.53, 23.47], [52.0, 23.25], [51.47, 23.47], [51.32, 23.82], [50.97, 23.97], [50.75, 24.5], [50.85, 24.75], [50.75, 25.0], [50.85, 25.25], [50.75, 25.5], [50.85, 25.75], [50.82, 25.82], [50.75, 25.85], [50.5, 25.75], [50.25, 25.85], [50.0, 25.75], [49.47, 25.97], [49.32, 26.32], [48.97, 26.47]]]]}, "2024-08-03T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[48.97, 26.47], [48.75, 27.0], [48.97, 27.53], [49.5, 27.75], [49.75, 27.65], [50.0, 27.75], [50.25, 27.65], [50.5, 27.75], [50.75, 27.65], [51.0, 27.75], [51.53, 27.53], [51.68, 27.18], [51.75, 27.15], [52.0, 27.25], [52.53, 27.03], [52.68, 26.68], [53.03, 26.53], [53.25, 26.0], [53.15, 25.75], [53.18, 25.68], [53.53, 25.53], [53.75, 25.0], [53.53, 24.47], [53.18, 24.32], [53.03, 23.97], [52.68, 23.82], [52.53, 23.47], [52.0, 23.25], [51.47, 23.47], [51.32, 23.82], [50.97, 23.97], [50.75, 24.5], [50.85, 24.75], [50.75, 25.0], [50.85, 25.25], [50.75, 25.5], [50.85, 25.75], [50.82, 25.82], [50.75, 25.85], [50.5, 25.75], [50.25, 25.85], [50.0, 25.75], [49.47, 25.97], [49.32, 26.32], [48.97, 26.47]]]]}, "2024-08-04T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[48.97, 26.47], [48.75, 27.0], [48.97, 27.53], [49.5, 27.75], [49.75, 27.65], [50.0, 27.75], [50.25, 27.65], [50.5, 27.75], [50.75, 27.65], [51.0, 27.75], [51.53, 27.53], [51.68, 27.18], [51.75, 27.15], [52.0, 27.25], [52.53, 27.03], [52.68, 26.68], [53.03, 26.53], [53.25, 26.0], [53.15, 25.75], [53.18, 25.68], [53.53, 25.53], [53.75, 25.0], [53.53, 24.47], [53.18, 24.32], [53.03, 23.97], [52.68, 23.82], [52.53, 23.47], [52.0, 23.25], [51.47, 23.47], [51.32, 23.82], [50.97, 23.97], [50.75, 24.5], [50.85, 24.75], [50.75, 25.0], [50.85, 25.25], [50.75, 25.5], [50.85, 25.75], [50.82, 25.82], [50.75, 25.85], [50.5, 25.75], [50.25, 25.85], [50.0, 25.75], [49.47, 25.97], [49.32, 26.32], [48.97, 26.47]]]]}}}, "max_amp": {"name": "Maximum anomaly amplitude", "description": "Maximum t2m anomaly recorded over entire duration", "value": 3.053861142763708}, "mean_amp": {"name": "Mean anomaly amplitude", "description": "Mean t2m anomaly over entire duration", "value": 1.7604891055643925}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [36.767238447533884, 36.06166150605685, 35.771496856646024, 35.77592690331994]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [36.767238447533884, 39.70797158421925, 38.43833043067008, 38.51459198029676]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [1.4835131104738366, 1.9843323792019651, 1.6591350566149818, 1.6500423154453856]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [1.4835131104738366, 3.053861142763708, 1.966102452207565, 1.9228552591900439]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.3982771497235211, 1.7527709115331447, 1.4117849050724163, 1.3931391751722142]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [1.3982771497235211, 2.5262040822345595, 1.6145008402425503, 1.6276440313321003]}}