{"version_information": {"version": "det_AHW_tail10.0_v1.2", "compiled_date": "2026-06-27 18:35:43.802628", "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-Jun-19_to_2023-Jun-21_96.0_51.5"}, "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": 2023060002139}, "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": "June 19 2023"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "June 21 2023"}, "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": 51897.813456594755}, "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": ["Mongolia", "Russian Federation"]}, "IPCC_regions": {"name": "IPCC regions", "description": "List of all IPCC regions affected", "value": ["E.Siberia"]}, "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": 51.5}, "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": 96.0}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "96.0\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 92.75}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 96.25}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": 47.75}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": 51.75}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2023-06-19T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[92.46, 49.0], [92.25, 49.5], [92.47, 50.03], [92.82, 50.18], [92.97, 50.53], [93.5, 50.75], [93.75, 50.65], [93.88, 50.7], [93.75, 51.0], [93.97, 51.53], [94.32, 51.68], [94.47, 52.03], [95.0, 52.25], [95.25, 52.15], [95.5, 52.25], [95.75, 52.15], [96.0, 52.25], [96.53, 52.03], [96.75, 51.5], [96.65, 51.25], [96.75, 51.0], [96.53, 50.47], [96.13, 50.3], [96.25, 50.0], [96.03, 49.47], [95.68, 49.32], [95.65, 49.25], [95.75, 49.0], [95.53, 48.47], [95.18, 48.32], [95.03, 47.97], [94.68, 47.82], [94.53, 47.47], [94.0, 47.25], [93.5, 47.46], [93.0, 47.25], [92.47, 47.47], [92.25, 48.0], [92.35, 48.25], [92.25, 48.5], [92.46, 49.0]]]]}, "2023-06-20T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[92.46, 49.0], [92.25, 49.5], [92.47, 50.03], [92.82, 50.18], [92.97, 50.53], [93.5, 50.75], [93.75, 50.65], [93.88, 50.7], [93.75, 51.0], [93.97, 51.53], [94.32, 51.68], [94.47, 52.03], [95.0, 52.25], [95.25, 52.15], [95.5, 52.25], [95.75, 52.15], [96.0, 52.25], [96.53, 52.03], [96.75, 51.5], [96.65, 51.25], [96.75, 51.0], [96.53, 50.47], [96.13, 50.3], [96.25, 50.0], [96.03, 49.47], [95.68, 49.32], [95.65, 49.25], [95.75, 49.0], [95.53, 48.47], [95.18, 48.32], [95.03, 47.97], [94.68, 47.82], [94.53, 47.47], [94.0, 47.25], [93.5, 47.46], [93.0, 47.25], [92.47, 47.47], [92.25, 48.0], [92.35, 48.25], [92.25, 48.5], [92.46, 49.0]]]]}, "2023-06-21T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[92.46, 49.0], [92.25, 49.5], [92.47, 50.03], [92.82, 50.18], [92.97, 50.53], [93.5, 50.75], [93.75, 50.65], [93.88, 50.7], [93.75, 51.0], [93.97, 51.53], [94.32, 51.68], [94.47, 52.03], [95.0, 52.25], [95.25, 52.15], [95.5, 52.25], [95.75, 52.15], [96.0, 52.25], [96.53, 52.03], [96.75, 51.5], [96.65, 51.25], [96.75, 51.0], [96.53, 50.47], [96.13, 50.3], [96.25, 50.0], [96.03, 49.47], [95.68, 49.32], [95.65, 49.25], [95.75, 49.0], [95.53, 48.47], [95.18, 48.32], [95.03, 47.97], [94.68, 47.82], [94.53, 47.47], [94.0, 47.25], [93.5, 47.46], [93.0, 47.25], [92.47, 47.47], [92.25, 48.0], [92.35, 48.25], [92.25, 48.5], [92.46, 49.0]]]]}}}, "max_amp": {"name": "Maximum anomaly amplitude", "description": "Maximum t2m anomaly recorded over entire duration", "value": 7.5717969920533506}, "mean_amp": {"name": "Mean anomaly amplitude", "description": "Mean t2m anomaly over entire duration", "value": 5.688498779278849}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [23.524789224047936, 24.304944427096586, 24.413916064952446]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [27.296692294273214, 28.314427233902904, 28.203513389898205]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [5.151490782805876, 5.929147053025815, 5.984858502004854]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [6.436571881299244, 6.6420060382179145, 7.5717969920533506]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.3529783215758266, 1.5993415757691347, 1.6199275064676106]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [1.6225031318852463, 1.832059404676206, 1.9949758331773895]}}