{"version_information": {"version": "det_AHW_v1.1", "compiled_date": "2026-04-05 16:22:03.043436", "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": "2022-Jul-27_to_2022-Jul-30_106.5_9.5"}, "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": 2022070002910}, "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 27 2022"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "July 30 2022"}, "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": 60778.71206256815}, "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": ["Cambodia", "Viet Nam"]}, "continents_affected": {"name": "Continents affected", "description": "List of all continents affected", "value": ["Asia", "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": ["South China 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": 9.5}, "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": 106.5}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "106.5\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 106.5}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 109.0}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": 9.0}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": 12.0}, "polygons_merged": {"name": "Merged polygon", "description": "Merger or polygons at each time step", "value": {"type": "MultiPolygon", "coordinates": [[[[106.35, 10.25], [106.25, 10.5], [106.35, 10.75], [106.32, 10.82], [105.97, 10.97], [105.75, 11.5], [105.85, 11.75], [105.75, 12.0], [105.97, 12.53], [106.5, 12.75], [106.75, 12.65], [107.0, 12.75], [107.53, 12.53], [107.68, 12.18], [108.03, 12.03], [108.25, 11.5], [108.15, 11.25], [108.18, 11.18], [108.25, 11.15], [108.32, 11.18], [108.47, 11.53], [109.0, 11.75], [109.53, 11.53], [109.75, 11.0], [109.53, 10.47], [109.18, 10.32], [109.03, 9.97], [108.68, 9.82], [108.53, 9.47], [108.18, 9.32], [108.03, 8.97], [107.68, 8.82], [107.53, 8.47], [107.0, 8.25], [106.75, 8.35], [106.5, 8.25], [105.97, 8.47], [105.75, 9.0], [105.85, 9.25], [105.75, 9.5], [105.97, 10.03], [106.32, 10.18], [106.35, 10.25]]]]}}, "IPCC_regions": {"name": "IPCC regions", "description": "List of all IPCC regions affected", "value": ["S.E.Asia"]}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2022-07-27T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[105.75, 9.5], [105.97, 10.03], [106.5, 10.25], [107.03, 10.03], [107.18, 9.68], [107.53, 9.53], [107.75, 9.0], [107.53, 8.47], [107.0, 8.25], [106.75, 8.35], [106.5, 8.25], [105.97, 8.47], [105.75, 9.0], [105.85, 9.25], [105.75, 9.5]]]]}, "2022-07-28T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[105.75, 9.5], [105.97, 10.03], [106.32, 10.18], [106.35, 10.25], [106.25, 10.5], [106.35, 10.75], [106.32, 10.82], [105.97, 10.97], [105.75, 11.5], [105.85, 11.75], [105.75, 12.0], [105.97, 12.53], [106.5, 12.75], [106.75, 12.65], [107.0, 12.75], [107.53, 12.53], [107.68, 12.18], [108.03, 12.03], [108.25, 11.5], [108.15, 11.25], [108.18, 11.18], [108.25, 11.15], [108.32, 11.18], [108.47, 11.53], [109.0, 11.75], [109.53, 11.53], [109.75, 11.0], [109.53, 10.47], [109.18, 10.32], [109.03, 9.97], [108.68, 9.82], [108.53, 9.47], [108.18, 9.32], [108.03, 8.97], [107.68, 8.82], [107.53, 8.47], [107.0, 8.25], [106.75, 8.35], [106.5, 8.25], [105.97, 8.47], [105.75, 9.0], [105.85, 9.25], [105.75, 9.5]]]]}, "2022-07-29T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[105.75, 9.5], [105.97, 10.03], [106.32, 10.18], [106.35, 10.25], [106.25, 10.5], [106.35, 10.75], [106.32, 10.82], [105.97, 10.97], [105.75, 11.5], [105.85, 11.75], [105.75, 12.0], [105.97, 12.53], [106.5, 12.75], [106.75, 12.65], [107.0, 12.75], [107.53, 12.53], [107.68, 12.18], [108.03, 12.03], [108.25, 11.5], [108.15, 11.25], [108.18, 11.18], [108.25, 11.15], [108.32, 11.18], [108.47, 11.53], [109.0, 11.75], [109.53, 11.53], [109.75, 11.0], [109.53, 10.47], [109.18, 10.32], [109.03, 9.97], [108.68, 9.82], [108.53, 9.47], [108.18, 9.32], [108.03, 8.97], [107.68, 8.82], [107.53, 8.47], [107.0, 8.25], [106.75, 8.35], [106.5, 8.25], [105.97, 8.47], [105.75, 9.0], [105.85, 9.25], [105.75, 9.5]]]]}, "2022-07-30T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[105.75, 12.0], [105.97, 12.53], [106.5, 12.75], [106.75, 12.65], [107.0, 12.75], [107.53, 12.53], [107.68, 12.18], [108.03, 12.03], [108.25, 11.5], [108.15, 11.25], [108.18, 11.18], [108.25, 11.15], [108.32, 11.18], [108.47, 11.53], [109.0, 11.75], [109.53, 11.53], [109.75, 11.0], [109.53, 10.47], [109.18, 10.32], [109.03, 9.97], [108.68, 9.82], [108.53, 9.47], [108.18, 9.32], [108.03, 8.97], [107.5, 8.75], [107.25, 8.85], [107.0, 8.75], [106.75, 8.85], [106.5, 8.75], [105.97, 8.97], [105.75, 9.5], [105.97, 10.03], [106.32, 10.18], [106.35, 10.25], [106.25, 10.5], [106.35, 10.75], [106.32, 10.82], [105.97, 10.97], [105.75, 11.5], [105.85, 11.75], [105.75, 12.0]]]]}}}, "max_amp": {"name": "Maximum anomaly amplitude", "description": "Maximum t2m anomaly recorded over entire duration", "value": 2.1042805935358615}, "mean_amp": {"name": "Mean anomaly amplitude", "description": "Mean t2m anomaly over entire duration", "value": 1.16847592511734}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [28.073962999414846, 27.956558362639896, 28.220851212708112, 27.963433281446896]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [28.1767431029661, 28.577593593370295, 29.156429141143803, 28.692260931557428]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [0.6660628340701086, 1.079801915533821, 1.334762857435689, 1.165974859475401]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [0.7139489508876977, 1.4963873040951512, 2.1042805935358615, 1.6249287396290697]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.348474217026011, 1.7430535594871936, 2.0174994746534054, 1.7734224315871892]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [1.4650707386734754, 2.1501658839114337, 2.542701657556707, 2.1371784915715035]}}