{"version_information": {"version": "det_AHW_tail10.0_v1.1", "compiled_date": "2026-07-16 08:54:35.038581", "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": "2013-Sep-18_to_2013-Sep-23_49.5_37.0"}, "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": 2013090002362}, "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": "September 18 2013"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "September 23 2013"}, "duration": {"name": "Duration", "description": "Time elapsed (days) from the start date to the end date", "value": 6}, "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": 79860.75507473943}, "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": ["Azerbaijan", "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": 37.0}, "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": 47.25}, "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": 35.75}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": 40.75}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2013-09-18T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[48.25, 37.5], [48.47, 38.03], [48.88, 38.2], [48.82, 38.32], [48.47, 38.47], [48.25, 39.0], [48.46, 39.5], [48.25, 40.0], [48.47, 40.53], [49.0, 40.75], [49.25, 40.65], [49.5, 40.75], [49.75, 40.65], [50.0, 40.75], [50.53, 40.53], [50.75, 40.0], [50.65, 39.75], [50.75, 39.5], [50.65, 39.25], [50.68, 39.18], [51.03, 39.03], [51.25, 38.5], [51.15, 38.25], [51.25, 38.0], [51.15, 37.75], [51.18, 37.68], [51.25, 37.65], [51.5, 37.75], [52.03, 37.53], [52.25, 37.0], [52.03, 36.47], [51.5, 36.25], [51.25, 36.35], [51.0, 36.25], [50.75, 36.35], [50.5, 36.25], [50.2, 36.38], [50.03, 35.97], [49.5, 35.75], [49.25, 35.85], [49.0, 35.75], [48.47, 35.97], [48.25, 36.5], [48.35, 36.75], [48.25, 37.0], [48.35, 37.25], [48.25, 37.5]], [[49.82, 37.82], [49.75, 37.85], [49.63, 37.8], [49.68, 37.68], [49.8, 37.63], [49.85, 37.75], [49.82, 37.82]]], [[[46.97, 39.97], [46.75, 40.5], [46.97, 41.03], [47.5, 41.25], [48.03, 41.03], [48.25, 40.5], [48.03, 39.97], [47.5, 39.75], [46.97, 39.97]]]]}, "2013-09-19T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[46.75, 40.5], [46.97, 41.03], [47.5, 41.25], [48.03, 41.03], [48.18, 40.68], [48.25, 40.65], [48.32, 40.68], [48.47, 41.03], [49.0, 41.25], [49.53, 41.03], [49.68, 40.68], [49.75, 40.65], [50.0, 40.75], [50.53, 40.53], [50.75, 40.0], [50.65, 39.75], [50.75, 39.5], [50.65, 39.25], [50.68, 39.18], [51.03, 39.03], [51.25, 38.5], [51.15, 38.25], [51.25, 38.0], [51.15, 37.75], [51.18, 37.68], [51.25, 37.65], [51.5, 37.75], [52.03, 37.53], [52.25, 37.0], [52.03, 36.47], [51.5, 36.25], [51.25, 36.35], [51.0, 36.25], [50.75, 36.35], [50.5, 36.25], [50.2, 36.38], [50.03, 35.97], [49.5, 35.75], [49.25, 35.85], [49.0, 35.75], [48.47, 35.97], [48.25, 36.5], [48.35, 36.75], [48.25, 37.0], [48.35, 37.25], [48.25, 37.5], [48.35, 37.75], [48.25, 38.0], [48.35, 38.25], [48.32, 38.32], [47.97, 38.47], [47.82, 38.82], [47.47, 38.97], [47.25, 39.5], [47.35, 39.75], [47.32, 39.82], [46.97, 39.97], [46.75, 40.5]]]]}, "2013-09-20T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[46.75, 40.5], [46.97, 41.03], [47.5, 41.25], [48.03, 41.03], [48.18, 40.68], [48.25, 40.65], [48.32, 40.68], [48.47, 41.03], [49.0, 41.25], [49.53, 41.03], [49.68, 40.68], [49.75, 40.65], [50.0, 40.75], [50.53, 40.53], [50.75, 40.0], [50.65, 39.75], [50.75, 39.5], [50.65, 39.25], [50.68, 39.18], [51.03, 39.03], [51.25, 38.5], [51.15, 38.25], [51.25, 38.0], [51.15, 37.75], [51.18, 37.68], [51.25, 37.65], [51.5, 37.75], [52.03, 37.53], [52.25, 37.0], [52.03, 36.47], [51.5, 36.25], [51.25, 36.35], [51.0, 36.25], [50.75, 36.35], [50.5, 36.25], [50.2, 36.38], [50.03, 35.97], [49.5, 35.75], [49.25, 35.85], [49.0, 35.75], [48.47, 35.97], [48.25, 36.5], [48.35, 36.75], [48.25, 37.0], [48.35, 37.25], [48.25, 37.5], [48.35, 37.75], [48.25, 38.0], [48.35, 38.25], [48.32, 38.32], [47.97, 38.47], [47.82, 38.82], [47.47, 38.97], [47.25, 39.5], [47.35, 39.75], [47.32, 39.82], [46.97, 39.97], [46.75, 40.5]]]]}, "2013-09-21T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[46.75, 40.5], [46.97, 41.03], [47.5, 41.25], [48.03, 41.03], [48.18, 40.68], [48.25, 40.65], [48.32, 40.68], [48.47, 41.03], [49.0, 41.25], [49.53, 41.03], [49.75, 40.5], [49.65, 40.25], [49.75, 40.0], [49.65, 39.75], [49.68, 39.68], [49.75, 39.65], [50.0, 39.75], [50.53, 39.53], [50.68, 39.18], [51.03, 39.03], [51.25, 38.5], [51.04, 38.0], [51.18, 37.68], [51.25, 37.65], [51.5, 37.75], [52.03, 37.53], [52.25, 37.0], [52.03, 36.47], [51.5, 36.25], [51.25, 36.35], [51.0, 36.25], [50.75, 36.35], [50.63, 36.3], [50.75, 36.0], [50.53, 35.47], [50.0, 35.25], [49.47, 35.47], [49.25, 36.0], [49.38, 36.3], [49.25, 36.35], [49.0, 36.25], [48.47, 36.47], [48.25, 37.0], [48.35, 37.25], [48.25, 37.5], [48.35, 37.75], [48.25, 38.0], [48.35, 38.25], [48.32, 38.32], [47.97, 38.47], [47.82, 38.82], [47.47, 38.97], [47.25, 39.5], [47.35, 39.75], [47.32, 39.82], [46.97, 39.97], [46.75, 40.5]]]]}, "2013-09-22T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[48.25, 37.5], [48.47, 38.03], [49.0, 38.25], [49.25, 38.15], [49.5, 38.25], [49.75, 38.15], [50.0, 38.25], [50.53, 38.03], [50.75, 37.5], [50.53, 36.97], [50.18, 36.82], [50.13, 36.7], [50.53, 36.53], [50.75, 36.0], [50.53, 35.47], [50.0, 35.25], [49.47, 35.47], [49.25, 36.0], [49.38, 36.3], [48.97, 36.47], [48.82, 36.82], [48.47, 36.97], [48.25, 37.5]]]]}, "2013-09-23T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[50.0, 36.75], [50.53, 36.53], [50.75, 36.0], [50.53, 35.47], [50.0, 35.25], [49.47, 35.47], [49.25, 36.0], [49.47, 36.53], [50.0, 36.75]]]]}}}, "max_amp": {"name": "Maximum anomaly amplitude", "description": "Maximum t2m anomaly recorded over entire duration", "value": 5.675848142098118}, "mean_amp": {"name": "Mean anomaly amplitude", "description": "Mean t2m anomaly over entire duration", "value": 3.102970625167296}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [25.076448551387614, 25.280813708533856, 24.83301269876216, 25.162358216360133, 23.625057974354547, 24.40471691189242]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [26.867216563922796, 28.48017489901048, 27.146184401331936, 28.192703847317773, 25.559203775935885, 24.40471691189242]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [2.9836693502629905, 3.2626565998151538, 2.9683149940236557, 3.2552552937867705, 2.663848691197836, 2.8912500231442664]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [5.675848142098118, 4.897025108301136, 4.301179871036538, 4.918469976723713, 3.0901239654183996, 2.8912500231442664]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.468230469735966, 1.5119563001132408, 1.347495532086977, 1.4958394075231387, 1.3078046870740436, 1.2214649833155156]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [2.1904939080628316, 2.020979900603691, 1.5426932122795047, 1.93207262453138, 1.4106751021671957, 1.2214649833155156]}}