{"version_information": {"version": "det_AHW_v1.1", "compiled_date": "2026-04-05 16:24:56.413716", "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-Nov-22_to_2022-Nov-25_38.5_30.0"}, "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": 2022110002611}, "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": "November 22 2022"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "November 25 2022"}, "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": 59103.41879828347}, "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": ["Jordan", "Saudi Arabia"]}, "continents_affected": {"name": "Continents affected", "description": "List of all continents affected", "value": ["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": 30.0}, "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": 38.5}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "38.5\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 37.5}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 40.5}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": 28.0}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": 30.5}, "polygons_merged": {"name": "Merged polygon", "description": "Merger or polygons at each time step", "value": {"type": "MultiPolygon", "coordinates": [[[[37.75, 31.15], [38.0, 31.25], [38.25, 31.15], [38.5, 31.25], [38.75, 31.15], [39.0, 31.25], [39.25, 31.15], [39.5, 31.25], [40.03, 31.03], [40.25, 30.5], [40.15, 30.25], [40.18, 30.18], [40.25, 30.15], [40.5, 30.25], [41.03, 30.03], [41.25, 29.5], [41.03, 28.97], [40.5, 28.75], [40.25, 28.85], [40.18, 28.82], [40.03, 28.47], [39.68, 28.32], [39.53, 27.97], [39.18, 27.82], [39.03, 27.47], [38.5, 27.25], [37.97, 27.47], [37.75, 28.0], [37.88, 28.3], [37.47, 28.47], [37.25, 29.0], [37.35, 29.25], [37.32, 29.32], [36.97, 29.47], [36.75, 30.0], [36.85, 30.25], [36.75, 30.5], [36.97, 31.03], [37.5, 31.25], [37.75, 31.15]]]]}}, "IPCC_regions": {"name": "IPCC regions", "description": "List of all IPCC regions affected", "value": ["Mediterranean", "W.C.Asia", "Arabian-Peninsula"]}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2022-11-22T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[36.75, 30.5], [36.97, 31.03], [37.5, 31.25], [37.75, 31.15], [38.0, 31.25], [38.25, 31.15], [38.5, 31.25], [38.75, 31.15], [39.0, 31.25], [39.25, 31.15], [39.5, 31.25], [40.03, 31.03], [40.25, 30.5], [40.15, 30.25], [40.18, 30.18], [40.25, 30.15], [40.5, 30.25], [41.03, 30.03], [41.25, 29.5], [41.03, 28.97], [40.5, 28.75], [40.25, 28.85], [40.18, 28.82], [40.03, 28.47], [39.68, 28.32], [39.53, 27.97], [39.18, 27.82], [39.03, 27.47], [38.5, 27.25], [37.97, 27.47], [37.75, 28.0], [37.88, 28.3], [37.47, 28.47], [37.25, 29.0], [37.35, 29.25], [37.32, 29.32], [36.97, 29.47], [36.75, 30.0], [36.85, 30.25], [36.75, 30.5]]]]}, "2022-11-23T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[36.75, 30.5], [36.97, 31.03], [37.5, 31.25], [37.75, 31.15], [38.0, 31.25], [38.25, 31.15], [38.5, 31.25], [38.75, 31.15], [39.0, 31.25], [39.25, 31.15], [39.5, 31.25], [40.03, 31.03], [40.25, 30.5], [40.15, 30.25], [40.18, 30.18], [40.25, 30.15], [40.5, 30.25], [41.03, 30.03], [41.25, 29.5], [41.03, 28.97], [40.5, 28.75], [40.25, 28.85], [40.18, 28.82], [40.03, 28.47], [39.68, 28.32], [39.53, 27.97], [39.18, 27.82], [39.03, 27.47], [38.5, 27.25], [37.97, 27.47], [37.75, 28.0], [37.88, 28.3], [37.47, 28.47], [37.25, 29.0], [37.35, 29.25], [37.32, 29.32], [36.97, 29.47], [36.75, 30.0], [36.85, 30.25], [36.75, 30.5]]]]}, "2022-11-24T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[36.75, 30.5], [36.97, 31.03], [37.5, 31.25], [37.75, 31.15], [38.0, 31.25], [38.25, 31.15], [38.5, 31.25], [38.75, 31.15], [39.0, 31.25], [39.25, 31.15], [39.5, 31.25], [40.03, 31.03], [40.25, 30.5], [40.15, 30.25], [40.18, 30.18], [40.25, 30.15], [40.5, 30.25], [41.03, 30.03], [41.25, 29.5], [41.03, 28.97], [40.5, 28.75], [40.25, 28.85], [40.18, 28.82], [40.03, 28.47], [39.68, 28.32], [39.53, 27.97], [39.18, 27.82], [39.03, 27.47], [38.5, 27.25], [37.97, 27.47], [37.75, 28.0], [37.88, 28.3], [37.47, 28.47], [37.25, 29.0], [37.35, 29.25], [37.32, 29.32], [36.97, 29.47], [36.75, 30.0], [36.85, 30.25], [36.75, 30.5]]]]}, "2022-11-25T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[37.75, 30.5], [37.97, 31.03], [38.5, 31.25], [39.03, 31.03], [39.25, 30.5], [39.15, 30.25], [39.25, 30.0], [39.03, 29.47], [38.5, 29.25], [37.97, 29.47], [37.75, 30.0], [37.85, 30.25], [37.75, 30.5]]]]}}}, "max_amp": {"name": "Maximum anomaly amplitude", "description": "Maximum t2m anomaly recorded over entire duration", "value": 6.62587240665647}, "mean_amp": {"name": "Mean anomaly amplitude", "description": "Mean t2m anomaly over entire duration", "value": 4.7934167064805235}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [19.521846760370124, 19.82351681760582, 18.6589833655226, 17.15938289147789]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [21.344434378984033, 21.009653374897596, 19.63547173902117, 17.536701758089748]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [4.759834392664945, 5.321750609748741, 4.429397474962635, 3.3553607691982847]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [5.912044562171843, 6.62587240665647, 4.962350472159926, 3.519734915084598]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.837253573390406, 2.011660090268722, 1.6071986806643992, 1.251288385748912]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [2.222555160439899, 2.380717825082417, 1.8274360561981753, 1.2920892878472878]}}