{"version_information": {"version": "det_AHW_tail10.0_v1.1", "compiled_date": "2026-07-16 08:54:58.895563", "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": "2013-Nov-13_to_2013-Nov-16_122.5_50.5"}, "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": 2013110001999}, "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 13 2013"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "November 16 2013"}, "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": 66616.35571877046}, "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", "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": 50.5}, "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": 122.5}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "122.5\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 119.75}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 123.75}, "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": {"2013-11-13T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[119.25, 52.0], [119.47, 52.53], [119.82, 52.68], [119.97, 53.03], [120.32, 53.18], [120.46, 53.5], [120.25, 54.0], [120.47, 54.53], [121.0, 54.75], [121.25, 54.65], [121.5, 54.75], [121.75, 54.65], [122.0, 54.75], [122.25, 54.65], [122.5, 54.75], [123.03, 54.53], [123.25, 54.0], [123.03, 53.47], [122.68, 53.32], [122.54, 53.0], [122.68, 52.68], [122.75, 52.65], [123.0, 52.75], [123.53, 52.53], [123.68, 52.18], [124.03, 52.03], [124.25, 51.5], [124.15, 51.25], [124.25, 51.0], [124.03, 50.47], [123.68, 50.32], [123.53, 49.97], [123.0, 49.75], [122.75, 49.85], [122.5, 49.75], [122.25, 49.85], [122.0, 49.75], [121.75, 49.85], [121.5, 49.75], [121.25, 49.85], [121.0, 49.75], [120.47, 49.97], [120.25, 50.5], [120.38, 50.8], [119.97, 50.97], [119.82, 51.32], [119.47, 51.47], [119.25, 52.0]]]]}, "2013-11-14T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[119.25, 52.0], [119.47, 52.53], [119.82, 52.68], [119.97, 53.03], [120.32, 53.18], [120.46, 53.5], [120.25, 54.0], [120.47, 54.53], [121.0, 54.75], [121.25, 54.65], [121.5, 54.75], [121.75, 54.65], [122.0, 54.75], [122.25, 54.65], [122.5, 54.75], [123.03, 54.53], [123.25, 54.0], [123.03, 53.47], [122.68, 53.32], [122.54, 53.0], [122.68, 52.68], [122.75, 52.65], [123.0, 52.75], [123.53, 52.53], [123.68, 52.18], [124.03, 52.03], [124.25, 51.5], [124.15, 51.25], [124.25, 51.0], [124.03, 50.47], [123.68, 50.32], [123.53, 49.97], [123.0, 49.75], [122.75, 49.85], [122.5, 49.75], [122.25, 49.85], [122.0, 49.75], [121.75, 49.85], [121.5, 49.75], [121.25, 49.85], [121.0, 49.75], [120.47, 49.97], [120.25, 50.5], [120.38, 50.8], [119.97, 50.97], [119.82, 51.32], [119.47, 51.47], [119.25, 52.0]]]]}, "2013-11-15T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[119.25, 52.0], [119.47, 52.53], [119.82, 52.68], [119.97, 53.03], [120.32, 53.18], [120.46, 53.5], [120.25, 54.0], [120.47, 54.53], [121.0, 54.75], [121.25, 54.65], [121.5, 54.75], [121.75, 54.65], [122.0, 54.75], [122.25, 54.65], [122.5, 54.75], [123.03, 54.53], [123.25, 54.0], [123.03, 53.47], [122.68, 53.32], [122.54, 53.0], [122.68, 52.68], [122.75, 52.65], [123.0, 52.75], [123.53, 52.53], [123.68, 52.18], [124.03, 52.03], [124.25, 51.5], [124.15, 51.25], [124.25, 51.0], [124.03, 50.47], [123.68, 50.32], [123.53, 49.97], [123.0, 49.75], [122.75, 49.85], [122.5, 49.75], [122.25, 49.85], [122.0, 49.75], [121.75, 49.85], [121.5, 49.75], [121.25, 49.85], [121.0, 49.75], [120.47, 49.97], [120.25, 50.5], [120.38, 50.8], [119.97, 50.97], [119.82, 51.32], [119.47, 51.47], [119.25, 52.0]]]]}, "2013-11-16T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[123.0, 51.75], [123.53, 51.53], [123.75, 51.0], [123.65, 50.75], [123.75, 50.5], [123.53, 49.97], [123.0, 49.75], [122.75, 49.85], [122.5, 49.75], [121.97, 49.97], [121.75, 50.5], [121.97, 51.03], [122.32, 51.18], [122.47, 51.53], [123.0, 51.75]]]]}}}, "max_amp": {"name": "Maximum anomaly amplitude", "description": "Maximum t2m anomaly recorded over entire duration", "value": 9.101063913885639}, "mean_amp": {"name": "Mean anomaly amplitude", "description": "Mean t2m anomaly over entire duration", "value": 7.824213059602175}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [-6.608048383478149, -6.962452977366354, -7.946293137901364, -8.080533565143355]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [-4.8833934509706864, -5.877418327609973, -6.801318929432625, -7.62182606923858]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [7.675222505142342, 8.02811167423026, 7.880553246280001, 6.526316846397871]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [8.459168231007993, 9.08268580399357, 9.101063913885639, 6.6647166712785975]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.5875724959739816, 1.6691830631273992, 1.6031800723596645, 1.3833026298869688]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [1.7421067647991677, 1.817172139885691, 1.7679378738743794, 1.4064849003166953]}}