{"version_information": {"version": "det_AHW_tail10.0_v1.1", "compiled_date": "2026-07-16 09:18:37.533817", "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": "2018-Nov-23_to_2018-Nov-26_58.0_32.0"}, "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": 2018110002616}, "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 23 2018"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "November 26 2018"}, "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": 73456.68168366303}, "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"]}, "IPCC_regions": {"name": "IPCC regions", "description": "List of all IPCC regions affected", "value": ["W.C.Asia"]}, "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": 32.0}, "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": 58.0}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "58.0\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 56.75}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 59.75}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": 29.25}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": 33.75}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2018-11-23T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[56.47, 34.03], [57.0, 34.25], [57.5, 34.04], [58.0, 34.25], [58.25, 34.15], [58.5, 34.25], [59.03, 34.03], [59.18, 33.68], [59.53, 33.53], [59.75, 33.0], [59.65, 32.75], [59.75, 32.5], [59.54, 32.0], [59.75, 31.5], [59.65, 31.25], [59.68, 31.18], [60.03, 31.03], [60.25, 30.5], [60.03, 29.97], [59.68, 29.82], [59.65, 29.75], [59.75, 29.5], [59.53, 28.97], [59.0, 28.75], [58.47, 28.97], [58.25, 29.5], [58.35, 29.75], [58.32, 29.82], [57.97, 29.97], [57.75, 30.5], [57.85, 30.75], [57.82, 30.82], [57.75, 30.85], [57.5, 30.75], [56.97, 30.97], [56.82, 31.32], [56.47, 31.47], [56.25, 32.0], [56.46, 32.5], [56.25, 33.0], [56.35, 33.25], [56.25, 33.5], [56.47, 34.03]]]]}, "2018-11-24T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[56.47, 34.03], [57.0, 34.25], [57.5, 34.04], [58.0, 34.25], [58.25, 34.15], [58.5, 34.25], [59.03, 34.03], [59.18, 33.68], [59.53, 33.53], [59.75, 33.0], [59.65, 32.75], [59.75, 32.5], [59.54, 32.0], [59.75, 31.5], [59.65, 31.25], [59.68, 31.18], [60.03, 31.03], [60.25, 30.5], [60.03, 29.97], [59.68, 29.82], [59.65, 29.75], [59.75, 29.5], [59.53, 28.97], [59.0, 28.75], [58.47, 28.97], [58.25, 29.5], [58.35, 29.75], [58.32, 29.82], [57.97, 29.97], [57.82, 30.32], [57.47, 30.47], [57.32, 30.82], [56.97, 30.97], [56.82, 31.32], [56.47, 31.47], [56.25, 32.0], [56.46, 32.5], [56.25, 33.0], [56.35, 33.25], [56.25, 33.5], [56.47, 34.03]]]]}, "2018-11-25T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[56.47, 34.03], [57.0, 34.25], [57.5, 34.04], [58.0, 34.25], [58.25, 34.15], [58.5, 34.25], [59.03, 34.03], [59.18, 33.68], [59.53, 33.53], [59.75, 33.0], [59.65, 32.75], [59.75, 32.5], [59.54, 32.0], [59.75, 31.5], [59.65, 31.25], [59.68, 31.18], [60.03, 31.03], [60.25, 30.5], [60.03, 29.97], [59.68, 29.82], [59.65, 29.75], [59.75, 29.5], [59.53, 28.97], [59.0, 28.75], [58.47, 28.97], [58.25, 29.5], [58.35, 29.75], [58.32, 29.82], [57.97, 29.97], [57.82, 30.32], [57.47, 30.47], [57.32, 30.82], [56.97, 30.97], [56.82, 31.32], [56.47, 31.47], [56.25, 32.0], [56.46, 32.5], [56.25, 33.0], [56.35, 33.25], [56.25, 33.5], [56.47, 34.03]]]]}, "2018-11-26T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[56.25, 32.0], [56.47, 32.53], [57.0, 32.75], [57.25, 32.65], [57.5, 32.75], [57.75, 32.65], [58.0, 32.75], [58.53, 32.53], [58.75, 32.0], [58.65, 31.75], [58.68, 31.68], [59.03, 31.53], [59.25, 31.0], [59.15, 30.75], [59.18, 30.68], [59.53, 30.53], [59.75, 30.0], [59.53, 29.47], [59.0, 29.25], [58.47, 29.47], [58.32, 29.82], [57.97, 29.97], [57.82, 30.32], [57.47, 30.47], [57.32, 30.82], [56.97, 30.97], [56.82, 31.32], [56.47, 31.47], [56.25, 32.0]]]]}}}, "max_amp": {"name": "Maximum anomaly amplitude", "description": "Maximum t2m anomaly recorded over entire duration", "value": 7.536627734314322}, "mean_amp": {"name": "Mean anomaly amplitude", "description": "Mean t2m anomaly over entire duration", "value": 5.424982882808447}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [19.36297770805845, 18.523365971185115, 18.410303391585217, 19.94596721241072]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [24.121559194535962, 23.137079107551642, 23.442526389909574, 22.776873220514688]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [5.81274663495114, 5.217290239323735, 5.324839878541174, 5.219402530497651]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [7.536627734314322, 6.116665390031926, 6.195292893016699, 6.113613805951104]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.7444050966741318, 1.5763252657782698, 1.589383907064505, 1.595546141421866]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [2.265692114257465, 1.867301659154468, 1.807427123797475, 1.9050356906604216]}}