{"version_information": {"version": "det_AHW_tail10.0_v1.1", "compiled_date": "2026-07-16 08:48:03.493383", "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": "2011-Jul-23_to_2011-Jul-25_88.0_41.5"}, "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": 2011070002999}, "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 23 2011"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "July 25 2011"}, "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": 64187.656697403334}, "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": 41.5}, "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": 88.0}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "88.0\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 84.75}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 89.75}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": 40.75}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": 44.25}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2011-07-23T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[84.47, 42.53], [85.0, 42.75], [85.25, 42.65], [85.32, 42.68], [85.47, 43.03], [86.0, 43.25], [86.25, 43.15], [86.5, 43.25], [86.75, 43.15], [87.0, 43.25], [87.25, 43.15], [87.5, 43.25], [87.8, 43.13], [87.85, 43.25], [87.75, 43.5], [87.85, 43.75], [87.75, 44.0], [87.97, 44.53], [88.5, 44.75], [89.03, 44.53], [89.25, 44.0], [89.15, 43.75], [89.18, 43.68], [89.25, 43.65], [89.5, 43.75], [90.03, 43.53], [90.25, 43.0], [90.03, 42.47], [89.68, 42.32], [89.53, 41.97], [89.18, 41.82], [89.15, 41.75], [89.25, 41.5], [89.03, 40.97], [88.68, 40.82], [88.53, 40.47], [88.0, 40.25], [87.75, 40.35], [87.5, 40.25], [87.25, 40.35], [87.0, 40.25], [86.47, 40.47], [86.32, 40.82], [85.97, 40.97], [85.82, 41.32], [85.75, 41.35], [85.68, 41.32], [85.53, 40.97], [85.0, 40.75], [84.47, 40.97], [84.25, 41.5], [84.35, 41.75], [84.25, 42.0], [84.47, 42.53]]]]}, "2011-07-24T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[84.47, 42.53], [85.0, 42.75], [85.25, 42.65], [85.32, 42.68], [85.47, 43.03], [86.0, 43.25], [86.25, 43.15], [86.5, 43.25], [86.75, 43.15], [87.0, 43.25], [87.25, 43.15], [87.5, 43.25], [87.8, 43.13], [87.85, 43.25], [87.75, 43.5], [87.85, 43.75], [87.75, 44.0], [87.97, 44.53], [88.5, 44.75], [89.03, 44.53], [89.25, 44.0], [89.15, 43.75], [89.18, 43.68], [89.25, 43.65], [89.5, 43.75], [90.03, 43.53], [90.25, 43.0], [90.03, 42.47], [89.68, 42.32], [89.53, 41.97], [89.18, 41.82], [89.15, 41.75], [89.25, 41.5], [89.03, 40.97], [88.68, 40.82], [88.53, 40.47], [88.0, 40.25], [87.75, 40.35], [87.5, 40.25], [87.25, 40.35], [87.0, 40.25], [86.47, 40.47], [86.32, 40.82], [85.97, 40.97], [85.82, 41.32], [85.75, 41.35], [85.68, 41.32], [85.53, 40.97], [85.0, 40.75], [84.47, 40.97], [84.25, 41.5], [84.35, 41.75], [84.25, 42.0], [84.47, 42.53]]]]}, "2011-07-25T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[84.47, 42.53], [85.0, 42.75], [85.25, 42.65], [85.32, 42.68], [85.47, 43.03], [86.0, 43.25], [86.25, 43.15], [86.5, 43.25], [86.75, 43.15], [87.0, 43.25], [87.25, 43.15], [87.5, 43.25], [87.8, 43.13], [87.85, 43.25], [87.75, 43.5], [87.85, 43.75], [87.75, 44.0], [87.97, 44.53], [88.5, 44.75], [89.03, 44.53], [89.25, 44.0], [89.15, 43.75], [89.18, 43.68], [89.25, 43.65], [89.5, 43.75], [90.03, 43.53], [90.25, 43.0], [90.03, 42.47], [89.68, 42.32], [89.53, 41.97], [89.18, 41.82], [89.15, 41.75], [89.25, 41.5], [89.03, 40.97], [88.68, 40.82], [88.53, 40.47], [88.0, 40.25], [87.75, 40.35], [87.5, 40.25], [87.25, 40.35], [87.0, 40.25], [86.47, 40.47], [86.32, 40.82], [85.97, 40.97], [85.82, 41.32], [85.75, 41.35], [85.68, 41.32], [85.53, 40.97], [85.0, 40.75], [84.47, 40.97], [84.25, 41.5], [84.35, 41.75], [84.25, 42.0], [84.47, 42.53]]]]}}}, "max_amp": {"name": "Maximum anomaly amplitude", "description": "Maximum t2m anomaly recorded over entire duration", "value": 6.9429540510289485}, "mean_amp": {"name": "Mean anomaly amplitude", "description": "Mean t2m anomaly over entire duration", "value": 4.317863032722792}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [28.311010703710224, 28.36392885815468, 29.44207173431147]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [34.82487812753277, 34.78175589099118, 36.119880520723825]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [3.930472482859638, 3.9915835019889374, 5.0315331133198]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [5.493258412326213, 5.51106111126137, 6.9429540510289485]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.48797257845202, 1.5123284049030723, 1.9357031514455147]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [1.9049124042682006, 1.8956756427877837, 2.4957228321676044]}}