{"version_information": {"version": "det_AHW_tail10.0_v1.1", "compiled_date": "2026-07-16 09:02:01.689629", "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-Dec-27_to_2014-Dec-29_104.0_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": 2014120002802}, "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": "December 27 2014"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "December 29 2014"}, "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": 57297.35050570709}, "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": 104.0}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "104.0\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 98.25}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 104.75}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": 41.25}, "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": {"2014-12-27T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[97.75, 43.5], [97.97, 44.03], [98.5, 44.25], [98.75, 44.15], 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"coordinates": [[[[97.75, 43.5], [97.97, 44.03], [98.5, 44.25], [98.75, 44.15], [99.0, 44.25], [99.25, 44.15], [99.5, 44.25], [100.03, 44.03], [100.25, 43.5], [100.15, 43.25], [100.18, 43.18], [100.25, 43.15], [100.5, 43.25], [101.03, 43.03], [101.18, 42.68], [101.25, 42.65], [101.5, 42.75], [101.75, 42.65], [102.0, 42.75], [102.53, 42.53], [102.68, 42.18], [102.75, 42.15], [103.0, 42.25], [103.25, 42.15], [103.5, 42.25], [103.75, 42.15], [104.0, 42.25], [104.25, 42.15], [104.5, 42.25], [105.03, 42.03], [105.25, 41.5], [105.03, 40.97], [104.5, 40.75], [104.25, 40.85], [104.0, 40.75], [103.75, 40.85], [103.5, 40.75], [103.25, 40.85], [103.0, 40.75], [102.75, 40.85], [102.5, 40.75], [102.25, 40.85], [102.0, 40.75], [101.75, 40.85], [101.5, 40.75], [101.25, 40.85], [101.0, 40.75], [100.75, 40.85], [100.5, 40.75], [100.25, 40.85], [100.0, 40.75], [99.47, 40.97], [99.32, 41.32], [98.97, 41.47], [98.82, 41.82], [98.47, 41.97], [98.25, 42.5], [98.35, 42.75], [98.32, 42.82], [97.97, 42.97], [97.75, 43.5]]]]}, "2014-12-29T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[97.75, 43.5], [97.97, 44.03], [98.5, 44.25], [98.75, 44.15], [99.0, 44.25], [99.25, 44.15], [99.5, 44.25], [100.03, 44.03], [100.25, 43.5], [100.15, 43.25], [100.18, 43.18], [100.25, 43.15], [100.5, 43.25], [101.03, 43.03], [101.18, 42.68], [101.25, 42.65], [101.5, 42.75], [101.75, 42.65], [102.0, 42.75], [102.53, 42.53], [102.68, 42.18], [102.75, 42.15], [103.0, 42.25], [103.25, 42.15], [103.5, 42.25], [103.75, 42.15], [104.0, 42.25], [104.25, 42.15], [104.5, 42.25], [105.03, 42.03], [105.25, 41.5], [105.03, 40.97], [104.5, 40.75], [104.25, 40.85], [104.0, 40.75], [103.75, 40.85], [103.5, 40.75], [103.25, 40.85], [103.0, 40.75], [102.75, 40.85], [102.5, 40.75], [102.25, 40.85], [102.0, 40.75], [101.75, 40.85], [101.5, 40.75], [101.25, 40.85], [101.0, 40.75], [100.75, 40.85], [100.5, 40.75], [100.25, 40.85], [100.0, 40.75], [99.47, 40.97], [99.32, 41.32], [98.97, 41.47], [98.82, 41.82], [98.47, 41.97], [98.25, 42.5], [98.35, 42.75], [98.32, 42.82], [97.97, 42.97], [97.75, 43.5]]]]}}}, "max_amp": {"name": "Maximum anomaly amplitude", "description": "Maximum t2m anomaly recorded over entire duration", "value": 9.759627815299211}, "mean_amp": {"name": "Mean anomaly amplitude", "description": "Mean t2m anomaly over entire duration", "value": 7.7413530373198105}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [-4.043945918492739, -1.534623957820429, -2.972969137194127]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [-2.396880469884593, -0.02970352964518952, -2.025067409943574]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [6.463940459250743, 9.017362996290382, 7.742755656418305]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [7.005828877011936, 9.759627815299211, 8.852673095872149]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.316117909619364, 1.8068266132893578, 1.5508155882731762]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [1.4210110390316624, 1.9463562435240425, 1.7867002183189789]}}