{"version_information": {"version": "det_AHW_tail10.0_v1.2", "compiled_date": "2026-06-27 18:36:50.069203", "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": "2023-Oct-24_to_2023-Oct-27_101.0_21.0"}, "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": 2023100001918}, "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": "October 24 2023"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "October 27 2023"}, "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": 60998.63047723678}, "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", "Laos", "Myanmar", "Thailand"]}, "IPCC_regions": {"name": "IPCC regions", "description": "List of all IPCC regions affected", "value": ["E.Asia", "S.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": []}, "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": 21.0}, "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": 101.0}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "101.0\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 98.25}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 103.25}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": 18.25}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": 21.75}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2023-10-24T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[98.25, 19.5], [98.47, 20.03], [99.0, 20.25], [99.25, 20.15], [99.32, 20.18], [99.47, 20.53], [99.88, 20.7], [99.75, 21.0], [99.97, 21.53], [100.5, 21.75], [100.75, 21.65], [101.0, 21.75], [101.53, 21.53], [101.75, 21.0], [101.54, 20.5], [101.75, 20.0], [101.53, 19.47], [101.0, 19.25], [100.75, 19.35], [100.68, 19.32], [100.65, 19.25], [100.68, 19.18], [101.03, 19.03], [101.25, 18.5], [101.03, 17.97], [100.5, 17.75], [100.25, 17.85], [100.0, 17.75], [99.75, 17.85], [99.5, 17.75], [98.97, 17.97], [98.75, 18.5], [98.85, 18.75], [98.82, 18.82], [98.47, 18.97], [98.25, 19.5]]]]}, "2023-10-25T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[99.0, 20.25], [99.25, 20.15], [99.32, 20.18], [99.47, 20.53], [99.82, 20.68], [99.85, 20.75], [99.75, 21.0], [99.97, 21.53], [100.5, 21.75], [100.75, 21.65], [100.82, 21.68], [100.97, 22.03], [101.5, 22.25], [102.03, 22.03], [102.18, 21.68], [102.25, 21.65], [102.5, 21.75], [102.75, 21.65], [103.0, 21.75], [103.53, 21.53], [103.75, 21.0], [103.53, 20.47], [103.0, 20.25], [102.75, 20.35], [102.5, 20.25], [102.25, 20.35], [102.18, 20.32], [102.03, 19.97], [101.68, 19.82], [101.53, 19.47], [101.0, 19.25], [100.75, 19.35], [100.68, 19.32], [100.65, 19.25], [100.68, 19.18], [101.03, 19.03], [101.25, 18.5], [101.03, 17.97], [100.5, 17.75], [100.25, 17.85], [100.0, 17.75], [99.75, 17.85], [99.5, 17.75], [98.97, 17.97], [98.8, 18.38], [98.5, 18.25], [97.97, 18.47], [97.75, 19.0], [97.97, 19.53], [98.32, 19.68], [98.47, 20.03], [99.0, 20.25]]]]}, "2023-10-26T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[99.0, 20.25], [99.25, 20.15], [99.32, 20.18], [99.47, 20.53], [99.82, 20.68], [99.85, 20.75], [99.75, 21.0], [99.97, 21.53], [100.5, 21.75], [100.75, 21.65], [100.82, 21.68], [100.97, 22.03], [101.5, 22.25], [102.03, 22.03], [102.18, 21.68], [102.25, 21.65], [102.5, 21.75], [102.75, 21.65], [103.0, 21.75], [103.53, 21.53], [103.75, 21.0], [103.53, 20.47], [103.0, 20.25], [102.75, 20.35], [102.5, 20.25], [102.25, 20.35], [102.18, 20.32], [102.03, 19.97], [101.68, 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[100.47, 21.53], [100.82, 21.68], [100.97, 22.03]]]]}}}, "max_amp": {"name": "Maximum anomaly amplitude", "description": "Maximum t2m anomaly recorded over entire duration", "value": 2.864171710563312}, "mean_amp": {"name": "Mean anomaly amplitude", "description": "Mean t2m anomaly over entire duration", "value": 2.0503671993575967}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [26.116649692400983, 25.594490569141954, 25.382794543740886, 23.775784579086235]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [28.043137370364832, 28.24823477474098, 27.709125977139195, 25.27777135866836]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [1.789231686388925, 2.179811071590951, 2.076985414539127, 2.0634180696776148]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [2.2212382845229968, 2.505827660024636, 2.864171710563312, 2.2596008309400872]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.2745752275568125, 1.5006334865268967, 1.407374371662436, 1.2822961685966863]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [1.680105942421579, 1.8581123617202853, 1.6297666625684137, 1.3496163676308537]}}