{"version_information": {"version": "det_AHW_tail10.0_v1.1", "compiled_date": "2026-07-16 08:53:13.122848", "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-Apr-25_to_2013-Apr-29_97.0_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": 2013040002556}, "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": "April 25 2013"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "April 29 2013"}, "duration": {"name": "Duration", "description": "Time elapsed (days) from the start date to the end date", "value": 5}, "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": 106433.89120485914}, "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.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": 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": 97.0}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "97.0\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 94.75}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 101.75}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": 37.25}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": 39.75}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2013-04-25T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[94.25, 39.0], [94.47, 39.53], [94.82, 39.68], [94.97, 40.03], [95.5, 40.25], [95.75, 40.15], [96.0, 40.25], [96.25, 40.15], [96.5, 40.25], [96.75, 40.15], [97.0, 40.25], [97.25, 40.15], [97.5, 40.25], [97.75, 40.15], [98.0, 40.25], [98.25, 40.15], [98.5, 40.25], [99.03, 40.03], [99.18, 39.68], [99.25, 39.65], [99.5, 39.75], [100.03, 39.53], [100.18, 39.18], [100.25, 39.15], [100.5, 39.25], [101.03, 39.03], [101.2, 38.63], [101.5, 38.75], [102.03, 38.53], [102.25, 38.0], [102.15, 37.75], [102.25, 37.5], [102.03, 36.97], [101.5, 36.75], [101.25, 36.85], [101.0, 36.75], [100.75, 36.85], [100.5, 36.75], [99.97, 36.97], [99.82, 37.32], [99.75, 37.35], [99.5, 37.25], [99.25, 37.35], [99.18, 37.32], [99.03, 36.97], [98.5, 36.75], [98.25, 36.85], [98.0, 36.75], [97.75, 36.85], [97.5, 36.75], [96.97, 36.97], [96.82, 37.32], [96.75, 37.35], [96.5, 37.25], [96.25, 37.35], [96.0, 37.25], [95.75, 37.35], [95.5, 37.25], [94.97, 37.47], [94.75, 38.0], [94.85, 38.25], [94.82, 38.32], [94.47, 38.47], [94.25, 39.0]]]]}, "2013-04-26T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[94.25, 39.0], [94.47, 39.53], [94.82, 39.68], [94.97, 40.03], [95.5, 40.25], [95.75, 40.15], [96.0, 40.25], [96.25, 40.15], [96.5, 40.25], [96.75, 40.15], [97.0, 40.25], [97.25, 40.15], [97.5, 40.25], [97.75, 40.15], [98.0, 40.25], [98.25, 40.15], [98.5, 40.25], [99.03, 40.03], [99.18, 39.68], [99.25, 39.65], [99.5, 39.75], [100.03, 39.53], [100.18, 39.18], [100.25, 39.15], [100.5, 39.25], [101.03, 39.03], [101.2, 38.63], [101.5, 38.75], [102.03, 38.53], [102.25, 38.0], [102.15, 37.75], [102.25, 37.5], [102.03, 36.97], [101.5, 36.75], [101.25, 36.85], [101.0, 36.75], [100.75, 36.85], [100.5, 36.75], [99.97, 36.97], [99.82, 37.32], [99.75, 37.35], [99.5, 37.25], [99.25, 37.35], [99.18, 37.32], [99.03, 36.97], [98.5, 36.75], [98.25, 36.85], [98.0, 36.75], [97.75, 36.85], [97.5, 36.75], [96.97, 36.97], [96.82, 37.32], [96.75, 37.35], [96.5, 37.25], [96.25, 37.35], [96.0, 37.25], [95.75, 37.35], [95.5, 37.25], [94.97, 37.47], [94.75, 38.0], [94.85, 38.25], [94.82, 38.32], [94.47, 38.47], [94.25, 39.0]]]]}, "2013-04-27T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[94.25, 39.0], [94.47, 39.53], [94.82, 39.68], [94.97, 40.03], [95.5, 40.25], [95.75, 40.15], [96.0, 40.25], [96.25, 40.15], [96.5, 40.25], [96.75, 40.15], [97.0, 40.25], [97.25, 40.15], [97.5, 40.25], [97.75, 40.15], [98.0, 40.25], [98.25, 40.15], [98.5, 40.25], [99.03, 40.03], [99.18, 39.68], [99.25, 39.65], [99.5, 39.75], [100.03, 39.53], [100.18, 39.18], [100.25, 39.15], [100.5, 39.25], [101.03, 39.03], [101.2, 38.63], [101.5, 38.75], [102.03, 38.53], [102.25, 38.0], [102.15, 37.75], [102.25, 37.5], [102.03, 36.97], [101.5, 36.75], [101.25, 36.85], [101.0, 36.75], [100.75, 36.85], [100.5, 36.75], [99.97, 36.97], [99.82, 37.32], [99.75, 37.35], [99.5, 37.25], [99.25, 37.35], [99.18, 37.32], [99.03, 36.97], [98.5, 36.75], [98.25, 36.85], [98.0, 36.75], [97.75, 36.85], [97.5, 36.75], [96.97, 36.97], [96.82, 37.32], [96.75, 37.35], [96.5, 37.25], [96.25, 37.35], [96.0, 37.25], [95.75, 37.35], [95.5, 37.25], [94.97, 37.47], [94.75, 38.0], [94.85, 38.25], [94.82, 38.32], [94.47, 38.47], [94.25, 39.0]]]]}, "2013-04-28T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[95.97, 38.97], [95.75, 39.5], [95.97, 40.03], [96.5, 40.25], [96.75, 40.15], [97.0, 40.25], [97.25, 40.15], [97.5, 40.25], [98.03, 40.03], [98.25, 39.5], [98.03, 38.97], [97.5, 38.75], [97.25, 38.85], [97.0, 38.75], [96.75, 38.85], [96.5, 38.75], [95.97, 38.97]]]]}, "2013-04-29T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[96.47, 38.97], [96.25, 39.5], [96.47, 40.03], [97.0, 40.25], [97.25, 40.15], [97.5, 40.25], [98.03, 40.03], [98.25, 39.5], [98.03, 38.97], [97.5, 38.75], [97.25, 38.85], [97.0, 38.75], [96.47, 38.97]]]]}}}, "max_amp": {"name": "Maximum anomaly amplitude", "description": "Maximum t2m anomaly recorded over entire duration", "value": 9.178290362953305}, "mean_amp": {"name": "Mean anomaly amplitude", "description": "Mean t2m anomaly over entire duration", "value": 6.777768016895033}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [2.8796336499032122, 4.287334417082889, 3.857633477059494, 2.7978716904780754, 4.829866686947639]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [12.63545253531828, 15.021950807307064, 13.15586579602973, 6.304817950224503, 6.90876094943917]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [6.41023384058042, 7.438182595292248, 6.644172629695297, 5.170248164388909, 5.684777468230976]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [7.806081757313734, 9.178290362953305, 8.204242436088464, 5.5542108226194955, 5.880891622865249]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.5796826305018548, 1.8645656573555527, 1.7032775783497842, 1.3720416147283927, 1.4734506795701008]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [1.9584428823696831, 2.4277132869725837, 2.125555777592318, 1.4637520372120285, 1.5457091000849363]}}