{"version_information": {"version": "det_AHW_tail10.0_v1.1", "compiled_date": "2026-07-16 08:57:10.964928", "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-Aug-18_to_2014-Aug-21_112.5_44.5"}, "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": 2014080002597}, "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 18 2014"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "August 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": 66288.75966499232}, "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": ["China", "Mongolia"]}, "IPCC_regions": {"name": "IPCC regions", "description": "List of all IPCC regions affected", "value": ["E.C.Asia", "E.Siberia"]}, "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": 44.5}, "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": 112.5}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "112.5\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 108.75}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 113.75}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": 42.75}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": 45.75}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2014-08-18T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[109.5, 45.75], [109.75, 45.65], [110.0, 45.75], [110.25, 45.65], [110.5, 45.75], [110.75, 45.65], [110.82, 45.68], [110.97, 46.03], [111.5, 46.25], [112.03, 46.03], [112.18, 45.68], [112.25, 45.65], [112.5, 45.75], [112.75, 45.65], [113.0, 45.75], [113.53, 45.53], [113.75, 45.0], [113.53, 44.47], [113.18, 44.32], [113.03, 43.97], [112.68, 43.82], [112.53, 43.47], [112.0, 43.25], [111.47, 43.47], [111.3, 43.88], [111.0, 43.75], [110.47, 43.97], [110.32, 44.32], [110.25, 44.35], [110.18, 44.32], [110.03, 43.97], [109.5, 43.75], [109.25, 43.85], [109.0, 43.75], [108.47, 43.97], [108.25, 44.5], [108.47, 45.03], [108.82, 45.18], [108.97, 45.53], [109.5, 45.75]]]]}, "2014-08-19T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[108.35, 44.25], [108.25, 44.5], [108.47, 45.03], [108.82, 45.18], [108.97, 45.53], [109.5, 45.75], [109.75, 45.65], [110.0, 45.75], [110.25, 45.65], [110.5, 45.75], [110.75, 45.65], [110.82, 45.68], [110.97, 46.03], [111.5, 46.25], [112.03, 46.03], [112.18, 45.68], [112.25, 45.65], [112.5, 45.75], [112.75, 45.65], [113.0, 45.75], [113.53, 45.53], [113.68, 45.18], [114.03, 45.03], [114.25, 44.5], [114.03, 43.97], [113.5, 43.75], [113.25, 43.85], [113.0, 43.75], [112.75, 43.85], [112.68, 43.82], [112.53, 43.47], [112.0, 43.25], [111.75, 43.35], [111.68, 43.32], [111.53, 42.97], [111.18, 42.82], [111.03, 42.47], [110.5, 42.25], [109.97, 42.47], [109.82, 42.82], [109.75, 42.85], [109.5, 42.75], [109.25, 42.85], [109.0, 42.75], [108.47, 42.97], [108.25, 43.5], [108.35, 43.75], [108.25, 44.0], [108.35, 44.25]]]]}, "2014-08-20T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[108.35, 44.25], [108.25, 44.5], [108.47, 45.03], [108.82, 45.18], [108.97, 45.53], [109.5, 45.75], [109.75, 45.65], [110.0, 45.75], [110.25, 45.65], [110.5, 45.75], [110.75, 45.65], [110.82, 45.68], [110.97, 46.03], [111.5, 46.25], [112.03, 46.03], [112.18, 45.68], [112.25, 45.65], [112.5, 45.75], [112.75, 45.65], [113.0, 45.75], [113.53, 45.53], [113.68, 45.18], [114.03, 45.03], [114.25, 44.5], [114.03, 43.97], [113.5, 43.75], [113.25, 43.85], [113.0, 43.75], [112.75, 43.85], [112.68, 43.82], [112.53, 43.47], [112.0, 43.25], [111.75, 43.35], [111.68, 43.32], [111.53, 42.97], [111.18, 42.82], [111.03, 42.47], [110.5, 42.25], [109.97, 42.47], [109.82, 42.82], [109.75, 42.85], [109.5, 42.75], [109.25, 42.85], [109.0, 42.75], [108.47, 42.97], [108.25, 43.5], [108.35, 43.75], [108.25, 44.0], [108.35, 44.25]]]]}, "2014-08-21T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[108.35, 44.25], [108.25, 44.5], [108.47, 45.03], [108.82, 45.18], [108.97, 45.53], [109.5, 45.75], [109.75, 45.65], [110.0, 45.75], [110.25, 45.65], [110.5, 45.75], [110.75, 45.65], [110.82, 45.68], [110.97, 46.03], [111.5, 46.25], [112.03, 46.03], [112.18, 45.68], [112.25, 45.65], [112.5, 45.75], [112.75, 45.65], [113.0, 45.75], [113.53, 45.53], [113.68, 45.18], [114.03, 45.03], [114.25, 44.5], [114.03, 43.97], [113.5, 43.75], [113.25, 43.85], [113.0, 43.75], [112.75, 43.85], [112.68, 43.82], [112.53, 43.47], [112.0, 43.25], [111.75, 43.35], [111.68, 43.32], [111.53, 42.97], [111.18, 42.82], [111.03, 42.47], [110.5, 42.25], [109.97, 42.47], [109.82, 42.82], [109.75, 42.85], [109.5, 42.75], [109.25, 42.85], [109.0, 42.75], [108.47, 42.97], [108.25, 43.5], [108.35, 43.75], [108.25, 44.0], [108.35, 44.25]]]]}}}, "max_amp": {"name": "Maximum anomaly amplitude", "description": "Maximum t2m anomaly recorded over entire duration", "value": 7.3987098278012695}, "mean_amp": {"name": "Mean anomaly amplitude", "description": "Mean t2m anomaly over entire duration", "value": 5.658613683245608}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [25.540086881868604, 27.097176543781586, 26.17816213176195, 27.1412545484327]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [27.117929160835445, 29.00388182872331, 28.991816973069547, 28.598550618581214]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [4.802612629880912, 6.057928082995695, 5.141891922045537, 6.175488202932451]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [5.3899461812432605, 6.734273699284813, 6.127846687724173, 7.3987098278012695]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.4720222799236538, 1.8387337327350497, 1.5427176899039752, 1.9002480433616067]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [1.5775427732098861, 2.055929630728008, 1.8688081353385455, 2.270032424592877]}}