{"version_information": {"version": "det_AHW_tail10.0_v1.1", "compiled_date": "2026-07-16 08:56:17.596075", "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": "2014-Apr-18_to_2014-Apr-21_49.5_34.0"}, "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": 2014040002117}, "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 18 2014"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "April 21 2014"}, "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": 53810.12874449932}, "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": 34.0}, "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": 49.5}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "49.5\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 47.75}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 51.75}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": 32.25}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": 35.25}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2014-04-18T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[47.35, 34.25], [47.25, 34.5], [47.47, 35.03], [47.82, 35.18], [47.97, 35.53], [48.5, 35.75], [48.75, 35.65], [49.0, 35.75], [49.25, 35.65], [49.5, 35.75], [49.75, 35.65], [50.0, 35.75], [50.53, 35.53], [50.75, 35.0], [50.65, 34.75], [50.75, 34.5], [50.65, 34.25], [50.68, 34.18], [51.03, 34.03], [51.18, 33.68], [51.53, 33.53], [51.68, 33.18], [52.03, 33.03], [52.25, 32.5], [52.03, 31.97], [51.5, 31.75], [51.25, 31.85], [51.0, 31.75], [50.47, 31.97], [50.32, 32.32], [49.97, 32.47], [49.82, 32.82], [49.47, 32.97], [49.32, 33.32], [49.25, 33.35], [49.0, 33.25], [48.75, 33.35], [48.68, 33.32], [48.53, 32.97], [48.0, 32.75], [47.47, 32.97], [47.25, 33.5], [47.35, 33.75], [47.25, 34.0], [47.35, 34.25]]]]}, "2014-04-19T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[47.35, 34.25], [47.25, 34.5], [47.47, 35.03], [47.82, 35.18], [47.97, 35.53], [48.5, 35.75], [48.75, 35.65], [49.0, 35.75], [49.25, 35.65], [49.5, 35.75], [49.75, 35.65], [50.0, 35.75], [50.53, 35.53], [50.75, 35.0], [50.65, 34.75], [50.75, 34.5], [50.65, 34.25], [50.68, 34.18], [51.03, 34.03], [51.18, 33.68], [51.53, 33.53], [51.68, 33.18], [52.03, 33.03], [52.25, 32.5], [52.03, 31.97], [51.5, 31.75], [51.25, 31.85], [51.0, 31.75], [50.47, 31.97], [50.32, 32.32], [49.97, 32.47], [49.82, 32.82], [49.47, 32.97], [49.32, 33.32], [49.25, 33.35], [49.0, 33.25], [48.75, 33.35], [48.68, 33.32], [48.53, 32.97], [48.0, 32.75], [47.47, 32.97], [47.25, 33.5], [47.35, 33.75], [47.25, 34.0], [47.35, 34.25]]]]}, "2014-04-20T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[47.35, 34.25], [47.25, 34.5], [47.47, 35.03], [47.82, 35.18], [47.97, 35.53], [48.5, 35.75], [48.75, 35.65], [49.0, 35.75], [49.25, 35.65], [49.5, 35.75], [49.75, 35.65], [50.0, 35.75], [50.53, 35.53], [50.75, 35.0], [50.65, 34.75], [50.75, 34.5], [50.65, 34.25], [50.68, 34.18], [51.03, 34.03], [51.18, 33.68], [51.53, 33.53], [51.68, 33.18], [52.03, 33.03], [52.25, 32.5], [52.03, 31.97], [51.5, 31.75], [51.25, 31.85], [51.0, 31.75], [50.47, 31.97], [50.32, 32.32], [49.97, 32.47], 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anomaly recorded over entire duration", "value": 5.845208077375503}, "mean_amp": {"name": "Mean anomaly amplitude", "description": "Mean t2m anomaly over entire duration", "value": 4.46248248950149}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [17.59656046119767, 16.95816741079375, 17.111417477343082, 17.719866380162898]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [19.93515978548561, 20.149709878654676, 19.85687486484028, 20.917813108931284]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [5.05352080052642, 4.19935771627872, 4.127787653783292, 4.4713829430162875]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [5.845208077375503, 4.875727772166556, 4.682618066108773, 5.212260406723999]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.8630110376980118, 1.5048342202325016, 1.429018110629184, 1.5042813533662243]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [2.129072819844097, 1.6861331714399406, 1.6511170814991176, 1.732586334791314]}}