{"version_information": {"version": "det_AHW_tail10.0_v1.1", "compiled_date": "2026-07-16 08:56:54.970791", "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-Jul-03_to_2014-Jul-08_125.0_39.5"}, "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": 2014070001787}, "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": "July 03 2014"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "July 08 2014"}, "duration": {"name": "Duration", "description": "Time elapsed (days) from the start date to the end date", "value": 6}, "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": 53379.39976380147}, "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", "North Korea"]}, "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": ["Yellow 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": 39.5}, "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": 125.0}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "125.0\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 124.75}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 129.25}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": 39.25}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": 43.25}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2014-07-03T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[125.0, 40.25], [125.53, 40.03], [125.75, 39.5], [125.53, 38.97], [125.0, 38.75], [124.47, 38.97], [124.25, 39.5], [124.47, 40.03], [125.0, 40.25]]]]}, "2014-07-04T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[125.5, 41.25], [125.75, 41.15], [126.0, 41.25], [126.53, 41.03], [126.75, 40.5], [126.65, 40.25], [126.75, 40.0], [126.53, 39.47], [126.0, 39.25], [125.7, 39.38], [125.53, 38.97], [125.0, 38.75], [124.47, 38.97], [124.25, 39.5], [124.47, 40.03], [124.88, 40.2], [124.75, 40.5], [124.97, 41.03], [125.5, 41.25]]], [[[126.47, 41.47], [126.25, 42.0], [126.47, 42.53], [127.0, 42.75], [127.53, 42.53], [127.75, 42.0], [127.53, 41.47], [127.0, 41.25], [126.47, 41.47]]]]}, "2014-07-05T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[124.47, 41.03], [124.82, 41.18], [124.97, 41.53], [125.32, 41.68], [125.35, 41.75], [125.25, 42.0], [125.47, 42.53], [126.0, 42.75], [126.25, 42.65], [126.32, 42.68], [126.47, 43.03], [127.0, 43.25], [127.25, 43.15], [127.32, 43.18], [127.47, 43.53], [128.0, 43.75], [128.25, 43.65], [128.5, 43.75], [129.03, 43.53], [129.25, 43.0], [129.15, 42.75], [129.18, 42.68], [129.53, 42.53], [129.75, 42.0], [129.53, 41.47], [129.18, 41.32], [129.03, 40.97], [128.5, 40.75], [127.97, 40.97], [127.75, 41.5], [127.88, 41.8], [127.75, 41.85], [127.68, 41.82], [127.53, 41.47], [127.18, 41.32], [127.03, 40.97], [126.68, 40.82], [126.65, 40.75], [126.75, 40.5], [126.65, 40.25], [126.75, 40.0], [126.65, 39.75], [126.75, 39.5], [126.53, 38.97], [126.0, 38.75], [125.75, 38.85], [125.5, 38.75], [125.25, 38.85], [125.0, 38.75], [124.47, 38.97], [124.25, 39.5], [124.46, 40.0], [124.25, 40.5], [124.47, 41.03]]]]}, "2014-07-06T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[124.47, 41.03], [124.82, 41.18], [124.97, 41.53], [125.32, 41.68], [125.35, 41.75], [125.25, 42.0], [125.47, 42.53], [126.0, 42.75], [126.25, 42.65], [126.32, 42.68], [126.47, 43.03], [127.0, 43.25], [127.25, 43.15], [127.32, 43.18], [127.47, 43.53], [128.0, 43.75], [128.25, 43.65], [128.5, 43.75], [129.03, 43.53], [129.25, 43.0], [129.15, 42.75], [129.18, 42.68], [129.53, 42.53], [129.75, 42.0], [129.53, 41.47], [129.18, 41.32], [129.03, 40.97], [128.5, 40.75], [127.97, 40.97], [127.75, 41.5], [127.88, 41.8], [127.75, 41.85], [127.68, 41.82], [127.53, 41.47], [127.18, 41.32], [127.03, 40.97], [126.68, 40.82], [126.65, 40.75], [126.75, 40.5], [126.65, 40.25], [126.75, 40.0], [126.65, 39.75], [126.75, 39.5], [126.53, 38.97], [126.0, 38.75], [125.75, 38.85], [125.5, 38.75], [125.25, 38.85], [125.0, 38.75], [124.47, 38.97], [124.25, 39.5], [124.46, 40.0], [124.25, 40.5], [124.47, 41.03]]]]}, "2014-07-07T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[124.47, 41.03], [124.82, 41.18], [124.97, 41.53], [125.32, 41.68], [125.35, 41.75], [125.25, 42.0], [125.47, 42.53], [126.0, 42.75], [126.25, 42.65], [126.32, 42.68], [126.47, 43.03], [127.0, 43.25], [127.25, 43.15], [127.32, 43.18], [127.47, 43.53], [128.0, 43.75], [128.25, 43.65], [128.5, 43.75], [129.03, 43.53], [129.25, 43.0], [129.15, 42.75], [129.18, 42.68], [129.53, 42.53], [129.75, 42.0], [129.53, 41.47], [129.18, 41.32], [129.03, 40.97], [128.5, 40.75], [127.97, 40.97], [127.75, 41.5], [127.88, 41.8], [127.75, 41.85], [127.68, 41.82], [127.53, 41.47], [127.18, 41.32], [127.03, 40.97], [126.68, 40.82], [126.65, 40.75], [126.75, 40.5], [126.65, 40.25], [126.75, 40.0], [126.65, 39.75], [126.75, 39.5], [126.53, 38.97], [126.0, 38.75], [125.75, 38.85], [125.5, 38.75], [125.25, 38.85], [125.0, 38.75], [124.47, 38.97], [124.25, 39.5], [124.46, 40.0], [124.25, 40.5], [124.47, 41.03]]]]}, "2014-07-08T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[127.97, 43.03], [128.5, 43.25], [129.03, 43.03], [129.18, 42.68], [129.53, 42.53], [129.75, 42.0], [129.53, 41.47], [129.18, 41.32], [129.03, 40.97], [128.5, 40.75], [127.97, 40.97], [127.75, 41.5], [127.96, 42.0], [127.75, 42.5], [127.97, 43.03]]]]}}}, "max_amp": {"name": "Maximum anomaly amplitude", "description": "Maximum t2m anomaly recorded over entire duration", "value": 4.025218893836325}, "mean_amp": {"name": "Mean anomaly amplitude", "description": "Mean t2m anomaly over entire duration", "value": 3.0132306704958594}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [23.45949730726727, 23.9300592383222, 24.073588785920833, 24.064503124673763, 24.654513436610216, 21.750589080182294]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [23.45949730726727, 25.486649921509525, 26.30529008936304, 26.747967115728045, 26.699909797908163, 22.634360656242336]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [1.818088319438914, 2.4219091263547057, 3.0349000627951406, 2.863804369236885, 3.2804921713143753, 3.3276121568324584]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [1.818088319438914, 2.6767212022554645, 3.9039895486711202, 3.7073074271752944, 4.025218893836325, 3.9087580811706744]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.5357841813741435, 1.3813090032128061, 1.5670019704817233, 1.5226548733119667, 1.7569727119744902, 1.5744625111507071]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [1.5357841813741435, 1.5451646416857445, 1.7718094980083228, 2.10792168448856, 2.183399157774187, 1.7076849982982205]}}