{"version_information": {"version": "det_AHW_tail10.0_v1.1", "compiled_date": "2026-07-16 08:52:55.362304", "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-Mar-17_to_2013-Mar-19_110.5_36.0"}, "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": 2013030002056}, "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": "March 17 2013"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "March 19 2013"}, "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": 62132.52741705999}, "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"]}, "IPCC_regions": {"name": "IPCC regions", "description": "List of all IPCC regions affected", "value": ["E.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": 36.0}, "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": 110.5}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "110.5\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 107.75}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 111.75}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": 35.25}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": 37.75}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2013-03-17T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[107.25, 37.0], [107.47, 37.53], [108.0, 37.75], [108.25, 37.65], [108.5, 37.75], [108.75, 37.65], [109.0, 37.75], [109.25, 37.65], [109.32, 37.68], [109.47, 38.03], [110.0, 38.25], [110.25, 38.15], [110.5, 38.25], [111.03, 38.03], [111.18, 37.68], [111.25, 37.65], [111.5, 37.75], [112.03, 37.53], [112.25, 37.0], [112.15, 36.75], [112.25, 36.5], [112.03, 35.97], [111.68, 35.82], [111.53, 35.47], [111.0, 35.25], [110.75, 35.35], [110.68, 35.32], [110.53, 34.97], [110.0, 34.75], [109.75, 34.85], [109.5, 34.75], [109.25, 34.85], [109.0, 34.75], [108.47, 34.97], [108.32, 35.32], [107.97, 35.47], [107.75, 36.0], [107.85, 36.25], [107.82, 36.32], [107.47, 36.47], [107.25, 37.0]]]]}, "2013-03-18T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[107.25, 37.0], [107.47, 37.53], [108.0, 37.75], [108.25, 37.65], [108.5, 37.75], [108.75, 37.65], [109.0, 37.75], [109.25, 37.65], [109.32, 37.68], [109.47, 38.03], [110.0, 38.25], [110.25, 38.15], [110.5, 38.25], [111.03, 38.03], [111.18, 37.68], [111.25, 37.65], [111.5, 37.75], [112.03, 37.53], [112.25, 37.0], [112.15, 36.75], [112.25, 36.5], [112.03, 35.97], [111.68, 35.82], [111.53, 35.47], [111.0, 35.25], [110.75, 35.35], [110.68, 35.32], [110.53, 34.97], [110.0, 34.75], [109.75, 34.85], [109.5, 34.75], [109.25, 34.85], [109.0, 34.75], [108.47, 34.97], [108.32, 35.32], [107.97, 35.47], [107.75, 36.0], [107.85, 36.25], [107.82, 36.32], [107.47, 36.47], [107.25, 37.0]]]]}, "2013-03-19T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[107.25, 37.0], [107.47, 37.53], [108.0, 37.75], [108.25, 37.65], [108.5, 37.75], [108.75, 37.65], [109.0, 37.75], [109.25, 37.65], [109.32, 37.68], [109.47, 38.03], [110.0, 38.25], [110.25, 38.15], [110.5, 38.25], [111.03, 38.03], [111.18, 37.68], [111.25, 37.65], [111.5, 37.75], [112.03, 37.53], [112.25, 37.0], [112.15, 36.75], [112.25, 36.5], [112.03, 35.97], [111.68, 35.82], [111.53, 35.47], [111.0, 35.25], [110.75, 35.35], [110.68, 35.32], [110.53, 34.97], [110.0, 34.75], [109.75, 34.85], [109.5, 34.75], [109.25, 34.85], [109.0, 34.75], [108.47, 34.97], [108.32, 35.32], [107.97, 35.47], [107.75, 36.0], [107.85, 36.25], [107.82, 36.32], [107.47, 36.47], [107.25, 37.0]]]]}}}, "max_amp": {"name": "Maximum anomaly amplitude", "description": "Maximum t2m anomaly recorded over entire duration", "value": 9.08930113876346}, "mean_amp": {"name": "Mean anomaly amplitude", "description": "Mean t2m anomaly over entire duration", "value": 6.531220952906199}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [12.129060228753815, 12.513704182603874, 12.677106726987404]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [14.11549972231802, 14.824097185799133, 15.68302413064913]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [6.338392963077156, 6.565433441953791, 6.689836453687649]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [7.492010939339025, 8.252784149945569, 9.08930113876346]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.5771173024807843, 1.6078288400473417, 1.63685399435949]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [1.815674200575678, 1.8090441886197266, 1.9168605007844501]}}