{"version_information": {"version": "det_AHW_tail10.0_v1.1", "compiled_date": "2026-07-16 09:04:20.534187", "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": "2015-Nov-30_to_2015-Dec-04_97.5_51.0"}, "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": 2015110002719}, "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": "November 30 2015"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "December 04 2015"}, "duration": {"name": "Duration", "description": "Time elapsed (days) from the start date to the end date", "value": 5}, "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": 94073.53426807247}, "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": 51.0}, "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": 97.5}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "97.5\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": 99.25}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": 50.25}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": 54.25}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2015-11-30T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[96.47, 51.53], [97.0, 51.75], [97.25, 51.65], [97.5, 51.75], [98.03, 51.53], [98.25, 51.0], [98.15, 50.75], [98.25, 50.5], [98.03, 49.97], [97.5, 49.75], [96.97, 49.97], [96.82, 50.32], [96.47, 50.47], [96.25, 51.0], [96.47, 51.53]]], [[[93.0, 54.75], [93.53, 54.53], [93.75, 54.0], [93.65, 53.75], [93.75, 53.5], [93.53, 52.97], [93.0, 52.75], [92.47, 52.97], [92.25, 53.5], [92.35, 53.75], [92.25, 54.0], [92.47, 54.53], [93.0, 54.75]]]]}, "2015-12-01T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[92.47, 54.53], [93.0, 54.75], [93.53, 54.53], [93.7, 54.13], [94.0, 54.25], [94.53, 54.03], [94.7, 53.63], [95.0, 53.75], [95.25, 53.65], [95.5, 53.75], [96.03, 53.53], [96.18, 53.18], [96.25, 53.15], [96.5, 53.25], [96.75, 53.15], [97.0, 53.25], [97.53, 53.03], [97.68, 52.68], [97.75, 52.65], [98.0, 52.75], [98.25, 52.65], [98.5, 52.75], [99.03, 52.53], [99.25, 52.0], [99.03, 51.47], [98.68, 51.32], [98.65, 51.25], [98.75, 51.0], [98.65, 50.75], [98.75, 50.5], [98.53, 49.97], [98.0, 49.75], [97.75, 49.85], [97.5, 49.75], [96.97, 49.97], [96.82, 50.32], [96.47, 50.47], [96.32, 50.82], [96.25, 50.85], [96.0, 50.75], [95.47, 50.97], [95.25, 51.5], [95.38, 51.8], [95.25, 51.85], [95.18, 51.82], [95.03, 51.47], [94.5, 51.25], [94.25, 51.35], [94.0, 51.25], [93.47, 51.47], [93.32, 51.82], [92.97, 51.97], [92.75, 52.5], [92.85, 52.75], [92.82, 52.82], [92.47, 52.97], [92.25, 53.5], [92.35, 53.75], [92.25, 54.0], [92.47, 54.53]]]]}, "2015-12-02T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[92.47, 54.53], [93.0, 54.75], [93.53, 54.53], [93.7, 54.13], [94.0, 54.25], [94.53, 54.03], [94.7, 53.63], [94.82, 53.68], [94.97, 54.03], [95.32, 54.18], [95.47, 54.53], [96.0, 54.75], [96.25, 54.65], [96.5, 54.75], [96.75, 54.65], [97.0, 54.75], [97.25, 54.65], [97.5, 54.75], [98.03, 54.53], [98.18, 54.18], [98.53, 54.03], [98.75, 53.5], [98.65, 53.25], [98.75, 53.0], [98.65, 52.75], [98.68, 52.68], [99.03, 52.53], [99.18, 52.18], [99.53, 52.03], [99.75, 51.5], [99.53, 50.97], [99.0, 50.75], [98.75, 50.85], [98.68, 50.82], [98.65, 50.75], [98.75, 50.5], [98.53, 49.97], [98.0, 49.75], [97.75, 49.85], [97.5, 49.75], [96.97, 49.97], [96.82, 50.32], [96.47, 50.47], [96.32, 50.82], [96.25, 50.85], [96.0, 50.75], [95.47, 50.97], [95.32, 51.32], [95.0, 51.46], [94.5, 51.25], [94.25, 51.35], [94.0, 51.25], [93.47, 51.47], [93.32, 51.82], [92.97, 51.97], [92.75, 52.5], [92.85, 52.75], [92.82, 52.82], [92.47, 52.97], [92.25, 53.5], [92.35, 53.75], [92.25, 54.0], [92.47, 54.53]]]]}, "2015-12-03T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[92.97, 53.53], [93.32, 53.68], [93.47, 54.03], [94.0, 54.25], [94.53, 54.03], [94.7, 53.63], [94.82, 53.68], [94.97, 54.03], [95.32, 54.18], [95.47, 54.53], [96.0, 54.75], [96.25, 54.65], [96.5, 54.75], [96.75, 54.65], [97.0, 54.75], [97.25, 54.65], [97.5, 54.75], [98.03, 54.53], [98.18, 54.18], [98.53, 54.03], [98.75, 53.5], [98.65, 53.25], [98.75, 53.0], [98.65, 52.75], [98.68, 52.68], [99.03, 52.53], [99.18, 52.18], [99.53, 52.03], [99.75, 51.5], [99.53, 50.97], [99.0, 50.75], [98.75, 50.85], [98.68, 50.82], [98.65, 50.75], [98.75, 50.5], [98.53, 49.97], [98.0, 49.75], [97.75, 49.85], [97.5, 49.75], [96.97, 49.97], [96.82, 50.32], [96.47, 50.47], [96.32, 50.82], [96.25, 50.85], [96.0, 50.75], [95.47, 50.97], [95.32, 51.32], [95.0, 51.46], [94.5, 51.25], [94.25, 51.35], [94.0, 51.25], [93.47, 51.47], [93.32, 51.82], [92.97, 51.97], [92.75, 52.5], [92.85, 52.75], [92.75, 53.0], [92.97, 53.53]]]]}, "2015-12-04T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[96.0, 54.75], [96.25, 54.65], [96.5, 54.75], [96.75, 54.65], [97.0, 54.75], [97.25, 54.65], [97.5, 54.75], [98.03, 54.53], [98.18, 54.18], [98.53, 54.03], [98.75, 53.5], [98.65, 53.25], [98.75, 53.0], [98.65, 52.75], [98.75, 52.5], [98.65, 52.25], [98.68, 52.18], [98.75, 52.15], [99.0, 52.25], [99.53, 52.03], [99.75, 51.5], [99.53, 50.97], [99.0, 50.75], [98.75, 50.85], [98.5, 50.75], [97.97, 50.97], [97.82, 51.32], [97.75, 51.35], [97.5, 51.25], [96.97, 51.47], [96.75, 52.0], [96.88, 52.3], [96.75, 52.35], [96.5, 52.25], [96.07, 52.43], [96.25, 52.0], [96.03, 51.47], [95.5, 51.25], [94.97, 51.47], [94.75, 52.0], [94.97, 52.53], [95.5, 52.75], [94.97, 52.97], [94.75, 53.5], [94.97, 54.03], [95.32, 54.18], [95.47, 54.53], [96.0, 54.75]], [[95.93, 52.57], [95.82, 52.82], [95.75, 52.85], [95.5, 52.75], [95.93, 52.57]]]]}}}, "max_amp": {"name": "Maximum anomaly amplitude", "description": "Maximum t2m anomaly recorded over entire duration", "value": 12.578037768717934}, "mean_amp": {"name": "Mean anomaly amplitude", "description": "Mean t2m anomaly over entire duration", "value": 9.175006431267951}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [-9.019320686580897, -10.052412895063071, -9.893165401656063, -11.102951795838749, -12.885994776069253]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [-2.7229043631770082, -2.0805379408846534, -2.7250661930528963, -6.89011583896621, -11.507521509714195]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [8.933881238722654, 8.632730432803024, 9.835584624498985, 9.120867344904463, 8.581417651142939]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [9.676262053849712, 11.537834677883012, 12.578037768717934, 11.932642891494481, 10.887378180664001]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.4925693501949833, 1.5371467046291079, 1.72232962278897, 1.6536564108369676, 1.490415993379119]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [1.5918886556024119, 2.031202895104572, 2.2018189424323746, 2.001134221577101, 1.889238917756509]}}