{"version_information": {"version": "det_AHW_tail10.0_v1.1", "compiled_date": "2026-07-16 08:48:03.297372", "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-22_to_2011-Jul-25_81.5_43.0"}, "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": 2011070002946}, "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 22 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": 4}, "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": 60350.51807579005}, "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": 43.0}, "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": 81.5}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "81.5\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 80.25}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 86.25}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": 42.75}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": 44.75}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2011-07-22T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[81.5, 43.75], [82.03, 43.53], [82.25, 43.0], [82.03, 42.47], [81.5, 42.25], [80.97, 42.47], [80.75, 43.0], [80.97, 43.53], [81.5, 43.75]]]]}, "2011-07-23T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[79.75, 44.5], [79.97, 45.03], [80.5, 45.25], [80.75, 45.15], [81.0, 45.25], [81.25, 45.15], [81.5, 45.25], [81.75, 45.15], [82.0, 45.25], [82.53, 45.03], [82.68, 44.68], [82.75, 44.65], [83.0, 44.75], [83.25, 44.65], [83.5, 44.75], [84.03, 44.53], [84.18, 44.18], [84.25, 44.15], [84.32, 44.18], [84.47, 44.53], [84.82, 44.68], [84.97, 45.03], [85.5, 45.25], [86.03, 45.03], [86.18, 44.68], [86.53, 44.53], [86.75, 44.0], [86.53, 43.47], [86.0, 43.25], [85.7, 43.38], [85.53, 42.97], [85.0, 42.75], [84.75, 42.85], [84.68, 42.82], [84.53, 42.47], [84.0, 42.25], [83.75, 42.35], [83.5, 42.25], [83.25, 42.35], [83.0, 42.25], [82.75, 42.35], [82.5, 42.25], [82.0, 42.46], [81.5, 42.25], [81.25, 42.35], [81.0, 42.25], [80.75, 42.35], [80.5, 42.25], [79.97, 42.47], [79.75, 43.0], [79.97, 43.53], [80.5, 43.75], [79.97, 43.97], [79.75, 44.5]], [[80.75, 43.65], [80.82, 43.68], [80.85, 43.75], [80.82, 43.82], [80.75, 43.85], [80.5, 43.75], [80.75, 43.65]]]]}, "2011-07-24T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[79.75, 44.5], [79.97, 45.03], [80.5, 45.25], [80.75, 45.15], [81.0, 45.25], [81.25, 45.15], [81.5, 45.25], [81.75, 45.15], [82.0, 45.25], [82.53, 45.03], [82.68, 44.68], [82.75, 44.65], [83.0, 44.75], [83.25, 44.65], [83.5, 44.75], [84.03, 44.53], [84.18, 44.18], [84.25, 44.15], [84.32, 44.18], [84.47, 44.53], [84.82, 44.68], [84.97, 45.03], [85.5, 45.25], [86.03, 45.03], [86.18, 44.68], [86.53, 44.53], [86.75, 44.0], [86.53, 43.47], [86.0, 43.25], [85.7, 43.38], [85.53, 42.97], [85.0, 42.75], [84.75, 42.85], [84.68, 42.82], [84.53, 42.47], [84.0, 42.25], [83.75, 42.35], [83.5, 42.25], [83.25, 42.35], [83.0, 42.25], [82.75, 42.35], [82.5, 42.25], [82.0, 42.46], [81.5, 42.25], [81.25, 42.35], [81.0, 42.25], [80.75, 42.35], [80.5, 42.25], [79.97, 42.47], [79.75, 43.0], [79.97, 43.53], [80.5, 43.75], [79.97, 43.97], [79.75, 44.5]], [[80.75, 43.65], [80.82, 43.68], [80.85, 43.75], [80.82, 43.82], [80.75, 43.85], [80.5, 43.75], [80.75, 43.65]]]]}, "2011-07-25T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[79.75, 44.5], [79.97, 45.03], [80.5, 45.25], [80.75, 45.15], [81.0, 45.25], [81.25, 45.15], [81.5, 45.25], [81.75, 45.15], [82.0, 45.25], [82.53, 45.03], [82.68, 44.68], [82.75, 44.65], [83.0, 44.75], [83.25, 44.65], [83.5, 44.75], [84.03, 44.53], [84.18, 44.18], [84.25, 44.15], [84.32, 44.18], [84.47, 44.53], [84.82, 44.68], [84.97, 45.03], [85.5, 45.25], [86.03, 45.03], [86.18, 44.68], [86.53, 44.53], [86.75, 44.0], [86.53, 43.47], [86.0, 43.25], [85.7, 43.38], [85.53, 42.97], [85.0, 42.75], [84.75, 42.85], [84.68, 42.82], [84.53, 42.47], [84.0, 42.25], [83.75, 42.35], [83.5, 42.25], [83.25, 42.35], [83.0, 42.25], [82.75, 42.35], [82.5, 42.25], [82.0, 42.46], [81.5, 42.25], [81.25, 42.35], [81.0, 42.25], [80.75, 42.35], [80.5, 42.25], [79.97, 42.47], 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[2.322429833658134, 3.1608086286184127, 3.46184870561794, 3.6998972513011297]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [2.322429833658134, 4.250945345327352, 4.582714971293342, 4.8791904680928155]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.2165429427280203, 1.3885262531821894, 1.5280191232113896, 1.5826817237113657]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [1.2165429427280203, 1.8501964929184749, 2.0243494449503756, 2.203377698103467]}}