{"version_information": {"version": "det_AHW_tail10.0_v1.2", "compiled_date": "2026-06-27 18:34:16.042023", "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-Feb-03_to_2023-Feb-06_78.0_45.5"}, "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": 2023020001335}, "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": "February 03 2023"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "February 06 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": 160430.1272677125}, "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": ["Kazakhstan"]}, "IPCC_regions": {"name": "IPCC regions", "description": "List of all IPCC regions affected", "value": ["W.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": 45.5}, "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": 78.0}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "78.0\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 73.75}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 82.75}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": 44.75}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": 49.25}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2023-02-03T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[74.32, 47.18], [74.47, 47.53], [75.0, 47.75], [75.25, 47.65], [75.32, 47.68], [75.47, 48.03], [76.0, 48.25], [76.25, 48.15], [76.32, 48.18], [76.47, 48.53], [77.0, 48.75], [77.25, 48.65], [77.32, 48.68], [77.47, 49.03], [78.0, 49.25], [78.25, 49.15], [78.5, 49.25], [79.03, 49.03], [79.18, 48.68], [79.25, 48.65], [79.5, 48.75], [79.75, 48.65], [79.82, 48.68], [79.97, 49.03], [80.5, 49.25], [81.03, 49.03], [81.18, 48.68], [81.53, 48.53], [81.75, 48.0], [81.54, 47.5], [81.75, 47.0], [81.57, 46.57], [82.0, 46.75], [82.53, 46.53], [82.75, 46.0], [82.53, 45.47], [82.0, 45.25], [81.5, 45.46], [81.0, 45.25], [80.75, 45.35], [80.68, 45.32], [80.53, 44.97], [80.0, 44.75], [79.75, 44.85], [79.5, 44.75], [79.25, 44.85], [79.0, 44.75], [78.75, 44.85], [78.5, 44.75], [78.25, 44.85], [78.18, 44.82], [78.03, 44.47], [77.5, 44.25], [77.25, 44.35], [77.0, 44.25], [76.47, 44.47], [76.25, 45.0], [76.35, 45.25], [76.25, 45.5], [76.35, 45.75], [76.32, 45.82], [76.25, 45.85], [76.0, 45.75], [75.5, 45.96], [75.0, 45.75], [74.75, 45.85], [74.68, 45.82], [74.53, 45.47], [74.0, 45.25], [73.47, 45.47], [73.25, 46.0], [73.47, 46.53], [73.82, 46.68], [73.97, 47.03], [74.32, 47.18]]]]}, "2023-02-04T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[74.32, 47.18], [74.47, 47.53], [75.0, 47.75], [75.25, 47.65], [75.32, 47.68], [75.47, 48.03], [76.0, 48.25], [76.25, 48.15], [76.32, 48.18], [76.47, 48.53], [77.0, 48.75], [77.25, 48.65], [77.32, 48.68], [77.47, 49.03], [78.0, 49.25], [78.25, 49.15], [78.5, 49.25], [79.03, 49.03], [79.18, 48.68], [79.25, 48.65], [79.32, 48.68], [79.47, 49.03], [80.0, 49.25], [80.25, 49.15], [80.5, 49.25], [80.75, 49.15], [80.82, 49.18], [80.97, 49.53], [81.5, 49.75], [81.75, 49.65], [82.0, 49.75], [82.53, 49.53], [82.75, 49.0], [82.53, 48.47], [82.18, 48.32], [82.03, 47.97], [81.68, 47.82], [81.63, 47.7], [82.03, 47.53], [82.18, 47.18], [82.25, 47.15], [82.5, 47.25], [83.03, 47.03], [83.25, 46.5], [83.03, 45.97], [82.68, 45.82], [82.53, 45.47], [82.0, 45.25], [81.5, 45.46], [81.0, 45.25], [80.75, 45.35], [80.68, 45.32], [80.53, 44.97], [80.0, 44.75], [79.75, 44.85], [79.5, 44.75], [79.25, 44.85], [79.0, 44.75], [78.75, 44.85], [78.5, 44.75], [78.25, 44.85], [78.18, 44.82], [78.03, 44.47], [77.5, 44.25], [77.25, 44.35], [77.0, 44.25], [76.47, 44.47], [76.25, 45.0], [76.35, 45.25], [76.25, 45.5], [76.35, 45.75], [76.32, 45.82], [76.25, 45.85], [76.0, 45.75], [75.5, 45.96], [75.0, 45.75], [74.75, 45.85], [74.68, 45.82], [74.53, 45.47], [74.0, 45.25], [73.47, 45.47], [73.25, 46.0], [73.47, 46.53], [73.82, 46.68], [73.97, 47.03], [74.32, 47.18]]]]}, "2023-02-05T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[74.32, 47.18], [74.47, 47.53], [75.0, 47.75], [75.25, 47.65], [75.32, 47.68], [75.47, 48.03], [76.0, 48.25], [76.25, 48.15], [76.32, 48.18], [76.47, 48.53], [77.0, 48.75], [77.25, 48.65], [77.32, 48.68], [77.47, 49.03], [78.0, 49.25], [78.25, 49.15], [78.5, 49.25], [79.03, 49.03], [79.18, 48.68], [79.25, 48.65], [79.32, 48.68], [79.47, 49.03], [80.0, 49.25], [80.25, 49.15], [80.5, 49.25], [80.75, 49.15], [80.82, 49.18], [80.97, 49.53], [81.5, 49.75], [81.75, 49.65], [82.0, 49.75], [82.53, 49.53], [82.75, 49.0], [82.53, 48.47], [82.18, 48.32], [82.03, 47.97], [81.68, 47.82], [81.63, 47.7], [82.03, 47.53], [82.18, 47.18], [82.25, 47.15], [82.5, 47.25], [83.03, 47.03], [83.25, 46.5], [83.03, 45.97], [82.68, 45.82], [82.53, 45.47], [82.0, 45.25], [81.5, 45.46], [81.0, 45.25], [80.75, 45.35], [80.68, 45.32], [80.53, 44.97], [80.0, 44.75], [79.75, 44.85], [79.5, 44.75], [79.25, 44.85], [79.0, 44.75], [78.75, 44.85], [78.5, 44.75], [78.25, 44.85], [78.18, 44.82], [78.03, 44.47], [77.5, 44.25], [77.25, 44.35], [77.0, 44.25], [76.47, 44.47], [76.25, 45.0], [76.35, 45.25], [76.25, 45.5], [76.35, 45.75], [76.32, 45.82], [76.25, 45.85], [76.0, 45.75], [75.5, 45.96], [75.0, 45.75], [74.75, 45.85], [74.68, 45.82], [74.53, 45.47], [74.0, 45.25], [73.47, 45.47], [73.25, 46.0], [73.47, 46.53], [73.82, 46.68], [73.97, 47.03], [74.32, 47.18]]]]}, "2023-02-06T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[73.75, 46.5], [73.97, 47.03], [74.5, 47.25], [74.75, 47.15], [75.0, 47.25], [75.53, 47.03], [75.75, 46.5], [75.53, 45.97], [75.0, 45.75], [74.75, 45.85], [74.5, 45.75], [73.97, 45.97], [73.75, 46.5]]], [[[76.47, 45.97], [76.25, 46.5], [76.47, 47.03], [77.0, 47.25], [77.25, 47.15], [77.5, 47.25], [77.75, 47.15], [77.82, 47.18], [77.85, 47.25], [77.75, 47.5], [77.85, 47.75], [77.75, 48.0], [77.97, 48.53], [78.5, 48.75], [78.75, 48.65], [79.0, 48.75], [79.3, 48.63], [79.47, 49.03], [80.0, 49.25], [80.25, 49.15], [80.5, 49.25], [80.75, 49.15], [80.82, 49.18], [80.97, 49.53], [81.5, 49.75], [81.75, 49.65], [82.0, 49.75], [82.53, 49.53], [82.75, 49.0], [82.53, 48.47], [82.18, 48.32], [82.03, 47.97], [81.68, 47.82], [81.63, 47.7], [82.03, 47.53], [82.18, 47.18], [82.25, 47.15], [82.5, 47.25], [83.03, 47.03], [83.25, 46.5], [83.03, 45.97], [82.5, 45.75], [82.25, 45.85], [82.0, 45.75], [81.75, 45.85], [81.5, 45.75], [81.0, 45.96], [80.5, 45.75], [80.25, 45.85], [80.0, 45.75], [79.75, 45.85], [79.5, 45.75], [79.25, 45.85], [79.0, 45.75], [78.75, 45.85], [78.63, 45.8], [78.75, 45.5], [78.53, 44.97], [78.18, 44.82], [78.03, 44.47], [77.5, 44.25], [76.97, 44.47], [76.75, 45.0], [76.85, 45.25], [76.75, 45.5], [76.88, 45.8], [76.47, 45.97]]]]}}}, "max_amp": {"name": "Maximum anomaly amplitude", "description": "Maximum t2m anomaly recorded over entire duration", "value": 12.652108913325776}, "mean_amp": {"name": "Mean anomaly amplitude", "description": "Mean t2m anomaly over entire duration", "value": 9.12667499181395}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [-2.738802831651526, -2.131187406971435, -2.3661181025400424, -3.109278716380402]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [1.7458421059010902, 0.21850376561951634, 0.28628347856903247, -0.30264839430145685]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [8.968333830648302, 9.549125847306833, 9.127174053782156, 8.566366831524835]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [12.652108913325776, 11.941457912730414, 11.057077427592958, 10.062628357153017]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.4547222350151263, 1.5433890821187943, 1.4763352444240134, 1.3651000839464256]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [1.9190816017085917, 1.7843848908628064, 1.7080962515549236, 1.5266706656083602]}}