{"version_information": {"version": "det_AHW_tail10.0_v1.1", "compiled_date": "2026-07-16 09:09:17.606448", "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-Oct-24_to_2017-Oct-26_105.0_41.5"}, "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": 2017100002551}, "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": "October 24 2017"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "October 26 2017"}, "duration": {"name": "Duration", "description": "Time elapsed (days) from the start date to the end date", "value": 3}, "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": 98822.1062875776}, "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"]}, "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": 41.5}, "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": 105.0}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "105.0\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 100.75}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 107.25}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": 40.25}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": 43.75}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2017-10-24T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[100.25, 42.5], [100.47, 43.03], [101.0, 43.25], [101.25, 43.15], [101.5, 43.25], [101.75, 43.15], [102.0, 43.25], [102.25, 43.15], [102.32, 43.18], [102.47, 43.53], [102.82, 43.68], [102.97, 44.03], [103.5, 44.25], [103.75, 44.15], [104.0, 44.25], [104.53, 44.03], [104.7, 43.63], [105.0, 43.75], [105.53, 43.53], [105.68, 43.18], [105.75, 43.15], [105.82, 43.18], [105.97, 43.53], [106.5, 43.75], [107.03, 43.53], [107.18, 43.18], [107.53, 43.03], [107.75, 42.5], [107.53, 41.97], [107.18, 41.82], [107.03, 41.47], [106.5, 41.25], [106.25, 41.35], [106.18, 41.32], [106.15, 41.25], [106.25, 41.0], [106.03, 40.47], [105.5, 40.25], [105.25, 40.35], [105.0, 40.25], [104.75, 40.35], [104.5, 40.25], [104.25, 40.35], [104.0, 40.25], [103.75, 40.35], [103.68, 40.32], [103.53, 39.97], [103.0, 39.75], [102.75, 39.85], [102.5, 39.75], [101.97, 39.97], [101.75, 40.5], [101.85, 40.75], [101.82, 40.82], [101.75, 40.85], [101.5, 40.75], [100.97, 40.97], [100.75, 41.5], [100.85, 41.75], [100.82, 41.82], [100.47, 41.97], [100.25, 42.5]]]]}, "2017-10-25T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[100.25, 42.5], [100.47, 43.03], [101.0, 43.25], [101.25, 43.15], [101.5, 43.25], [101.75, 43.15], [102.0, 43.25], [102.25, 43.15], [102.32, 43.18], [102.47, 43.53], [102.82, 43.68], [102.97, 44.03], [103.5, 44.25], [103.75, 44.15], [104.0, 44.25], [104.53, 44.03], [104.7, 43.63], [105.0, 43.75], [105.53, 43.53], [105.68, 43.18], [105.75, 43.15], [105.82, 43.18], [105.97, 43.53], [106.5, 43.75], [107.03, 43.53], [107.18, 43.18], [107.53, 43.03], [107.75, 42.5], [107.53, 41.97], [107.18, 41.82], [107.03, 41.47], [106.5, 41.25], [106.25, 41.35], [106.18, 41.32], [106.15, 41.25], [106.25, 41.0], [106.03, 40.47], [105.5, 40.25], [105.25, 40.35], [105.0, 40.25], [104.75, 40.35], [104.5, 40.25], [104.25, 40.35], [104.0, 40.25], [103.75, 40.35], [103.68, 40.32], [103.53, 39.97], [103.0, 39.75], [102.75, 39.85], [102.5, 39.75], [101.97, 39.97], [101.75, 40.5], [101.85, 40.75], [101.82, 40.82], [101.75, 40.85], [101.5, 40.75], [100.97, 40.97], [100.75, 41.5], [100.85, 41.75], [100.82, 41.82], [100.47, 41.97], [100.25, 42.5]]]]}, "2017-10-26T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[100.25, 42.5], [100.47, 43.03], [101.0, 43.25], [101.25, 43.15], [101.5, 43.25], [101.75, 43.15], [102.0, 43.25], [102.25, 43.15], [102.32, 43.18], [102.47, 43.53], [102.82, 43.68], [102.97, 44.03], [103.5, 44.25], [103.75, 44.15], [104.0, 44.25], [104.53, 44.03], [104.7, 43.63], [105.0, 43.75], [105.53, 43.53], [105.68, 43.18], [105.75, 43.15], [105.82, 43.18], [105.97, 43.53], [106.5, 43.75], [107.03, 43.53], [107.18, 43.18], [107.53, 43.03], [107.75, 42.5], [107.53, 41.97], [107.18, 41.82], [107.03, 41.47], [106.5, 41.25], [106.25, 41.35], [106.18, 41.32], [106.15, 41.25], [106.25, 41.0], [106.03, 40.47], [105.5, 40.25], [105.25, 40.35], [105.0, 40.25], [104.75, 40.35], [104.5, 40.25], [104.25, 40.35], [104.0, 40.25], [103.75, 40.35], [103.68, 40.32], [103.53, 39.97], [103.0, 39.75], [102.75, 39.85], [102.5, 39.75], [101.97, 39.97], [101.75, 40.5], [101.85, 40.75], [101.82, 40.82], [101.75, 40.85], [101.5, 40.75], [100.97, 40.97], [100.75, 41.5], [100.85, 41.75], [100.82, 41.82], [100.47, 41.97], [100.25, 42.5]]]]}}}, "max_amp": {"name": "Maximum anomaly amplitude", "description": "Maximum t2m anomaly recorded over entire duration", "value": 6.625518800295765}, "mean_amp": {"name": "Mean anomaly amplitude", "description": "Mean t2m anomaly over entire duration", "value": 5.653054046167197}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [10.856827919442537, 10.44474141502667, 10.118265455058122]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [13.114448818809649, 12.230119847051014, 12.115082886122252]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [5.557396103364957, 5.662025011211202, 5.739741023925427]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [6.388617101256727, 6.342312967794953, 6.625518800295765]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.4614372100791273, 1.5077782613742956, 1.5367635325288391]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [1.7159474383774793, 1.6752306483378512, 1.7539504843255342]}}