{"version_information": {"version": "det_AHW_tail10.0_v1.1", "compiled_date": "2026-07-16 09:08:45.106889", "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": "2017-Aug-12_to_2017-Aug-15_99.5_47.0"}, "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": 2017080001943}, "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 12 2017"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "August 15 2017"}, "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": 192365.56225404574}, "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": ["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": 47.0}, "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": 99.5}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "99.5\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 96.25}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 103.75}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": 43.25}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": 49.25}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2017-08-12T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[95.85, 48.25], [95.75, 48.5], [95.97, 49.03], [96.5, 49.25], [96.75, 49.15], [96.82, 49.18], [96.97, 49.53], [97.5, 49.75], [97.75, 49.65], [98.0, 49.75], [98.25, 49.65], [98.5, 49.75], [99.03, 49.53], [99.25, 49.0], [99.15, 48.75], [99.18, 48.68], [99.53, 48.53], [99.68, 48.18], [100.03, 48.03], [100.18, 47.68], [100.53, 47.53], [100.75, 47.0], [100.53, 46.47], [100.18, 46.32], [100.03, 45.97], [99.5, 45.75], [99.25, 45.85], [99.18, 45.82], [99.15, 45.75], [99.25, 45.5], [99.15, 45.25], [99.25, 45.0], [99.03, 44.47], [98.5, 44.25], [97.97, 44.47], [97.82, 44.82], [97.75, 44.85], [97.5, 44.75], [97.25, 44.85], [97.0, 44.75], [96.75, 44.85], [96.5, 44.75], [95.97, 44.97], [95.75, 45.5], [95.96, 46.0], [95.75, 46.5], [95.96, 47.0], [95.75, 47.5], [95.85, 47.75], [95.75, 48.0], [95.85, 48.25]]]]}, "2017-08-13T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[95.85, 48.25], [95.75, 48.5], [95.97, 49.03], [96.5, 49.25], [96.75, 49.15], [96.82, 49.18], [96.97, 49.53], [97.5, 49.75], [97.75, 49.65], [98.0, 49.75], [98.25, 49.65], [98.5, 49.75], [99.03, 49.53], [99.25, 49.0], [99.15, 48.75], [99.18, 48.68], [99.53, 48.53], [99.68, 48.18], [100.03, 48.03], [100.18, 47.68], [100.53, 47.53], [100.68, 47.18], [100.75, 47.15], [101.0, 47.25], [101.25, 47.15], [101.5, 47.25], [101.75, 47.15], [102.0, 47.25], [102.25, 47.15], [102.5, 47.25], [102.75, 47.15], [103.0, 47.25], [103.53, 47.03], [103.75, 46.5], [103.65, 46.25], [103.68, 46.18], [104.03, 46.03], [104.25, 45.5], [104.15, 45.25], [104.25, 45.0], [104.03, 44.47], [103.68, 44.32], [103.65, 44.25], [103.75, 44.0], [103.65, 43.75], [103.75, 43.5], [103.53, 42.97], [103.0, 42.75], [102.75, 42.85], [102.5, 42.75], [102.25, 42.85], [102.0, 42.75], [101.47, 42.97], [101.25, 43.5], [101.38, 43.8], [101.25, 43.85], [101.0, 43.75], [100.75, 43.85], [100.5, 43.75], [100.25, 43.85], [100.0, 43.75], [99.5, 43.96], [99.0, 43.75], [98.47, 43.97], [98.32, 44.32], [97.97, 44.47], [97.82, 44.82], [97.75, 44.85], [97.5, 44.75], [97.25, 44.85], [97.0, 44.75], [96.75, 44.85], [96.5, 44.75], [95.97, 44.97], [95.75, 45.5], [95.96, 46.0], [95.75, 46.5], [95.96, 47.0], [95.75, 47.5], [95.85, 47.75], [95.75, 48.0], [95.85, 48.25]]]]}, "2017-08-14T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[95.85, 48.25], [95.75, 48.5], [95.97, 49.03], [96.5, 49.25], [96.75, 49.15], [96.82, 49.18], [96.97, 49.53], [97.5, 49.75], [97.75, 49.65], [98.0, 49.75], [98.25, 49.65], [98.5, 49.75], [99.03, 49.53], [99.25, 49.0], [99.15, 48.75], [99.18, 48.68], [99.53, 48.53], [99.68, 48.18], [100.03, 48.03], [100.18, 47.68], [100.53, 47.53], [100.68, 47.18], [100.75, 47.15], [101.0, 47.25], [101.25, 47.15], [101.5, 47.25], [101.75, 47.15], [102.0, 47.25], [102.25, 47.15], [102.5, 47.25], [102.75, 47.15], [103.0, 47.25], [103.53, 47.03], [103.75, 46.5], [103.65, 46.25], [103.68, 46.18], [104.03, 46.03], [104.25, 45.5], [104.15, 45.25], [104.25, 45.0], [104.03, 44.47], [103.68, 44.32], [103.65, 44.25], [103.75, 44.0], [103.65, 43.75], [103.75, 43.5], [103.53, 42.97], [103.0, 42.75], [102.75, 42.85], [102.5, 42.75], [102.25, 42.85], [102.0, 42.75], [101.47, 42.97], [101.25, 43.5], [101.38, 43.8], [101.25, 43.85], [101.0, 43.75], [100.75, 43.85], [100.5, 43.75], [100.25, 43.85], [100.0, 43.75], [99.5, 43.96], [99.0, 43.75], [98.47, 43.97], [98.32, 44.32], [97.97, 44.47], [97.82, 44.82], [97.75, 44.85], [97.5, 44.75], [97.25, 44.85], [97.0, 44.75], [96.75, 44.85], [96.5, 44.75], [95.97, 44.97], [95.75, 45.5], [95.96, 46.0], [95.75, 46.5], [95.96, 47.0], [95.75, 47.5], [95.85, 47.75], [95.75, 48.0], [95.85, 48.25]]]]}, "2017-08-15T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[97.97, 46.03], [98.32, 46.18], [98.35, 46.25], [98.25, 46.5], [98.35, 46.75], [98.25, 47.0], [98.47, 47.53], [99.0, 47.75], [99.25, 47.65], [99.5, 47.75], [99.75, 47.65], [100.0, 47.75], [100.53, 47.53], [100.68, 47.18], [100.75, 47.15], [101.0, 47.25], [101.25, 47.15], [101.5, 47.25], [101.75, 47.15], [102.0, 47.25], [102.25, 47.15], [102.5, 47.25], [102.75, 47.15], [103.0, 47.25], [103.53, 47.03], [103.75, 46.5], [103.65, 46.25], [103.68, 46.18], [104.03, 46.03], [104.25, 45.5], [104.15, 45.25], [104.25, 45.0], [104.03, 44.47], [103.68, 44.32], [103.65, 44.25], [103.75, 44.0], [103.65, 43.75], [103.75, 43.5], [103.53, 42.97], [103.0, 42.75], [102.75, 42.85], [102.5, 42.75], [102.25, 42.85], [102.0, 42.75], [101.47, 42.97], [101.25, 43.5], [101.38, 43.8], [101.25, 43.85], [101.0, 43.75], [100.75, 43.85], [100.5, 43.75], [100.25, 43.85], [100.0, 43.75], [99.5, 43.96], [99.0, 43.75], [98.47, 43.97], [98.32, 44.32], [97.97, 44.47], [97.75, 45.0], [97.85, 45.25], [97.75, 45.5], [97.97, 46.03]]]]}}}, "max_amp": {"name": "Maximum anomaly amplitude", "description": "Maximum t2m anomaly recorded over entire duration", "value": 7.908538768736548}, "mean_amp": {"name": "Mean anomaly amplitude", "description": "Mean t2m anomaly over entire duration", "value": 5.785705352866416}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [18.68611500125286, 21.5394315057614, 20.915132201282006, 23.263467789399783]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [23.730939453897065, 28.63619656782481, 28.08117070086513, 28.393611077076514]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [5.714080508065989, 6.041543487010666, 5.5082623484157365, 5.885081436397148]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [7.727341238454699, 7.908538768736548, 6.897108448840754, 7.068737649068055]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.746214873424403, 1.8753595086591017, 1.6814116027371653, 1.826220485298396]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [2.1340883512302127, 2.711543841960341, 2.2857661621518215, 2.22171931515661]}}