{"version_information": {"version": "det_AHW_tail10.0_v1.1", "compiled_date": "2026-07-16 08:44:21.695174", "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": "2010-Mar-22_to_2010-Mar-24_119.5_22.5"}, "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": 2010030002031}, "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 22 2010"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "March 24 2010"}, "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": 69038.13016629641}, "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": ["South China Sea"]}, "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": 22.5}, "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": 119.5}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "119.5\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 117.25}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 121.25}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": 19.75}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": 22.75}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2010-03-22T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[116.75, 20.5], [116.97, 21.03], [117.32, 21.18], [117.35, 21.25], [117.25, 21.5], [117.47, 22.03], [117.82, 22.18], [117.85, 22.25], [117.75, 22.5], [117.97, 23.03], [118.5, 23.25], [118.75, 23.15], [119.0, 23.25], [119.25, 23.15], [119.5, 23.25], [120.0, 23.04], [120.5, 23.25], [121.03, 23.03], [121.25, 22.5], [121.15, 22.25], [121.18, 22.18], [121.53, 22.03], [121.75, 21.5], [121.53, 20.97], [121.0, 20.75], [120.5, 20.96], [120.18, 20.82], [120.03, 20.47], [119.68, 20.32], [119.53, 19.97], [119.0, 19.75], [118.75, 19.85], [118.68, 19.82], [118.53, 19.47], [118.0, 19.25], [117.47, 19.47], [117.32, 19.82], [116.97, 19.97], [116.75, 20.5]]]]}, "2010-03-23T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[116.75, 20.5], [116.97, 21.03], [117.32, 21.18], [117.35, 21.25], [117.25, 21.5], [117.47, 22.03], [117.82, 22.18], [117.85, 22.25], [117.75, 22.5], [117.97, 23.03], [118.5, 23.25], [118.75, 23.15], [119.0, 23.25], [119.25, 23.15], [119.5, 23.25], [120.0, 23.04], [120.5, 23.25], [121.03, 23.03], [121.25, 22.5], [121.15, 22.25], [121.18, 22.18], [121.53, 22.03], [121.75, 21.5], [121.53, 20.97], [121.0, 20.75], [120.5, 20.96], [120.18, 20.82], [120.03, 20.47], [119.68, 20.32], [119.53, 19.97], [119.0, 19.75], [118.75, 19.85], [118.68, 19.82], [118.53, 19.47], [118.0, 19.25], [117.47, 19.47], [117.32, 19.82], [116.97, 19.97], [116.75, 20.5]]]]}, "2010-03-24T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[116.75, 20.5], [116.97, 21.03], [117.32, 21.18], [117.35, 21.25], [117.25, 21.5], [117.47, 22.03], [117.82, 22.18], [117.85, 22.25], [117.75, 22.5], [117.97, 23.03], [118.5, 23.25], [118.75, 23.15], [119.0, 23.25], [119.25, 23.15], [119.5, 23.25], [120.0, 23.04], [120.5, 23.25], [121.03, 23.03], [121.25, 22.5], [121.15, 22.25], [121.18, 22.18], [121.53, 22.03], [121.75, 21.5], [121.53, 20.97], [121.0, 20.75], [120.5, 20.96], [120.18, 20.82], [120.03, 20.47], [119.68, 20.32], [119.53, 19.97], [119.0, 19.75], [118.75, 19.85], [118.68, 19.82], [118.53, 19.47], [118.0, 19.25], [117.47, 19.47], [117.32, 19.82], [116.97, 19.97], [116.75, 20.5]]]]}}}, "max_amp": {"name": "Maximum anomaly amplitude", "description": "Maximum t2m anomaly recorded over entire duration", "value": 3.274274662917037}, "mean_amp": {"name": "Mean anomaly amplitude", "description": "Mean t2m anomaly over entire duration", "value": 1.8171894024636117}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [25.44457191364046, 25.562258879616422, 25.406843470857837]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [26.025733936492202, 26.33620171871678, 26.031179465881053]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [1.7520979175028775, 1.9208501194322263, 1.7786201704557314]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [2.5143290610769213, 3.274274662917037, 2.545752842843342]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.3576096927331547, 1.422657140092837, 1.2934130579169363]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [1.4329203598349136, 1.8679839323100345, 1.6155006390495716]}}