{"version_information": {"version": "det_AHW_tail10.0_v1.1", "compiled_date": "2026-07-16 09:06:59.266851", "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": "2016-Dec-28_to_2016-Dec-30_105.0_29.5"}, "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": 2016120002702}, "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 28 2016"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "December 30 2016"}, "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": 67279.66518675387}, "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": 29.5}, "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": 103.25}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 106.25}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": 27.75}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": 30.75}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2016-12-28T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[102.75, 30.0], [102.97, 30.53], [103.32, 30.68], [103.47, 31.03], [104.0, 31.25], [104.25, 31.15], [104.5, 31.25], [104.75, 31.15], [105.0, 31.25], [105.25, 31.15], [105.5, 31.25], [106.03, 31.03], [106.18, 30.68], [106.53, 30.53], [106.75, 30.0], [106.65, 29.75], [106.75, 29.5], [106.65, 29.25], [106.75, 29.0], [106.53, 28.47], [106.18, 28.32], [106.03, 27.97], [105.68, 27.82], [105.53, 27.47], [105.0, 27.25], [104.47, 27.47], [104.32, 27.82], [104.25, 27.85], [104.0, 27.75], [103.47, 27.97], [103.25, 28.5], [103.35, 28.75], [103.25, 29.0], [103.35, 29.25], [103.32, 29.32], [102.97, 29.47], [102.75, 30.0]]]]}, "2016-12-29T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[102.75, 30.0], [102.97, 30.53], [103.32, 30.68], [103.47, 31.03], [104.0, 31.25], [104.25, 31.15], [104.5, 31.25], [104.75, 31.15], [105.0, 31.25], [105.25, 31.15], [105.5, 31.25], [106.03, 31.03], [106.18, 30.68], [106.53, 30.53], [106.75, 30.0], [106.65, 29.75], [106.75, 29.5], [106.65, 29.25], [106.75, 29.0], [106.53, 28.47], [106.18, 28.32], [106.03, 27.97], [105.68, 27.82], [105.53, 27.47], [105.0, 27.25], [104.47, 27.47], [104.32, 27.82], [104.25, 27.85], [104.0, 27.75], [103.47, 27.97], [103.25, 28.5], [103.35, 28.75], [103.25, 29.0], [103.35, 29.25], [103.32, 29.32], [102.97, 29.47], [102.75, 30.0]]]]}, "2016-12-30T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[102.75, 30.0], [102.97, 30.53], [103.32, 30.68], [103.47, 31.03], [104.0, 31.25], [104.25, 31.15], [104.5, 31.25], [104.75, 31.15], [105.0, 31.25], [105.25, 31.15], [105.5, 31.25], [106.03, 31.03], [106.18, 30.68], [106.53, 30.53], [106.75, 30.0], [106.65, 29.75], [106.75, 29.5], [106.65, 29.25], [106.75, 29.0], [106.53, 28.47], [106.18, 28.32], [106.03, 27.97], [105.68, 27.82], [105.53, 27.47], [105.0, 27.25], [104.47, 27.47], [104.32, 27.82], [104.25, 27.85], [104.0, 27.75], [103.47, 27.97], [103.25, 28.5], [103.35, 28.75], [103.25, 29.0], [103.35, 29.25], [103.32, 29.32], [102.97, 29.47], [102.75, 30.0]]]]}}}, "max_amp": {"name": "Maximum anomaly amplitude", "description": "Maximum t2m anomaly recorded over entire duration", "value": 4.630040330598831}, "mean_amp": {"name": "Mean anomaly amplitude", "description": "Mean t2m anomaly over entire duration", "value": 3.326431832261809}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [10.24896568405569, 10.645853593913671, 10.970179555230345]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [11.274692378011366, 11.953790193792145, 12.805138095373024]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [2.9471520015192687, 3.374459712163516, 3.657683783102643]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [3.2458999959687844, 3.8892095246024496, 4.630040330598831]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.3289818746135083, 1.4954244397315912, 1.6383019304150255]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [1.487126592927612, 1.731829766854404, 2.1127697233921]}}