{"version_information": {"version": "det_AHW_tail10.0_v1.2", "compiled_date": "2026-06-27 18:23:20.295811", "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": "2021-Feb-06_to_2021-Feb-10_160.0_59.0"}, "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": 2021020001490}, "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 06 2021"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "February 10 2021"}, "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": 202070.23448506254}, "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": ["Russian Federation"]}, "IPCC_regions": {"name": "IPCC regions", "description": "List of all IPCC regions affected", "value": ["N.Pacific-Ocean", "Russian-Far-East"]}, "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": ["Bering Sea", "Sea of Okhotsk"]}, "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": 59.0}, "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": 160.0}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "160.0\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 159.25}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 181.75}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": 55.75}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": 60.25}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2021-02-06T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[176.32, 57.68], [176.47, 58.03], [177.0, 58.25], [177.25, 58.15], [177.5, 58.25], [177.75, 58.15], [178.0, 58.25], [178.25, 58.15], [178.5, 58.25], [178.75, 58.15], [179.0, 58.25], [179.25, 58.15], [179.5, 58.25], [179.75, 58.15], [180.0, 58.25], [180.0, 55.46], [179.5, 55.25], [178.97, 55.47], [178.75, 56.0], [178.85, 56.25], [178.75, 56.5], [178.88, 56.8], [178.75, 56.85], [178.5, 56.75], [178.25, 56.85], [178.0, 56.75], [177.75, 56.85], [177.68, 56.82], [177.53, 56.47], [177.18, 56.32], [177.03, 55.97], [176.5, 55.75], [176.25, 55.85], [176.0, 55.75], [175.47, 55.97], [175.25, 56.5], [175.47, 57.03], [175.82, 57.18], [175.97, 57.53], [176.32, 57.68]]], [[[-179.75, 58.15], [-179.5, 58.25], [-179.25, 58.15], [-179.0, 58.25], [-178.75, 58.15], [-178.5, 58.25], [-177.97, 58.03], [-177.75, 57.5], [-177.85, 57.25], [-177.75, 57.0], [-177.97, 56.47], [-178.32, 56.32], [-178.35, 56.25], [-178.25, 56.0], [-178.47, 55.47], [-179.0, 55.25], [-179.53, 55.47], [-179.68, 55.82], [-179.75, 55.85], [-179.82, 55.82], [-179.97, 55.47], [-180.0, 55.46], [-180.0, 58.25], [-179.75, 58.15]]]]}, "2021-02-07T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[158.97, 59.53], [159.5, 59.75], [159.75, 59.65], [159.82, 59.68], [159.97, 60.03], [160.5, 60.25], [160.75, 60.15], [161.0, 60.25], [161.25, 60.15], [161.5, 60.25], [162.03, 60.03], [162.18, 59.68], [162.25, 59.65], [162.5, 59.75], [163.03, 59.53], [163.2, 59.13], [163.5, 59.25], [163.75, 59.15], [164.0, 59.25], [164.25, 59.15], [164.5, 59.25], [164.75, 59.15], [165.0, 59.25], [165.25, 59.15], [165.5, 59.25], [165.75, 59.15], [166.0, 59.25], [166.25, 59.15], [166.5, 59.25], [166.75, 59.15], [167.0, 59.25], [167.25, 59.15], [167.5, 59.25], [167.75, 59.15], [168.0, 59.25], [168.25, 59.15], [168.5, 59.25], [168.75, 59.15], [169.0, 59.25], [169.25, 59.15], [169.5, 59.25], [169.75, 59.15], [170.0, 59.25], [170.25, 59.15], [170.5, 59.25], [170.75, 59.15], [171.0, 59.25], [171.25, 59.15], [171.5, 59.25], [171.75, 59.15], [172.0, 59.25], [172.25, 59.15], [172.32, 59.18], [172.47, 59.53], [173.0, 59.75], [173.25, 59.65], [173.5, 59.75], [174.0, 59.54], [174.5, 59.75], [175.03, 59.53], [175.18, 59.18], [175.25, 59.15], [175.32, 59.18], [175.47, 59.53], [176.0, 59.75], [176.25, 59.65], [176.5, 59.75], [177.03, 59.53], [177.25, 59.0], [177.15, 58.75], [177.18, 58.68], [177.25, 58.65], [177.5, 58.75], [178.03, 58.53], [178.18, 58.18], [178.25, 58.15], [178.5, 58.25], [178.75, 58.15], [179.0, 58.25], [179.25, 58.15], [179.5, 58.25], [179.75, 58.15], [180.0, 58.25], [180.0, 55.46], [179.5, 55.25], [178.97, 55.47], [178.75, 56.0], [178.85, 56.25], [178.75, 56.5], [178.88, 56.8], [178.75, 56.85], [178.5, 56.75], [178.25, 56.85], [178.0, 56.75], [177.75, 56.85], [177.68, 56.82], [177.53, 56.47], [177.18, 56.32], [177.03, 55.97], [176.5, 55.75], [176.25, 55.85], [176.0, 55.75], [175.75, 55.85], [175.5, 55.75], [175.25, 55.85], [175.0, 55.75], [174.75, 55.85], [174.5, 55.75], [174.25, 55.85], [174.0, 55.75], [173.75, 55.85], [173.5, 55.75], [173.25, 55.85], [173.0, 55.75], [172.47, 55.97], [172.32, 56.32], [172.25, 56.35], [172.0, 56.25], [171.75, 56.35], [171.5, 56.25], [171.25, 56.35], [171.0, 56.25], [170.75, 56.35], [170.5, 56.25], [169.97, 56.47], [169.75, 57.0], [169.85, 57.25], [169.82, 57.32], [169.75, 57.35], [169.5, 57.25], [169.25, 57.35], [169.0, 57.25], [168.75, 57.35], [168.5, 57.25], [167.97, 57.47], [167.82, 57.82], [167.75, 57.85], [167.5, 57.75], [167.25, 57.85], [167.0, 57.75], [166.75, 57.85], [166.5, 57.75], [166.25, 57.85], [166.0, 57.75], [165.75, 57.85], [165.5, 57.75], [165.25, 57.85], [165.0, 57.75], [164.75, 57.85], [164.68, 57.82], [164.53, 57.47], [164.0, 57.25], [163.47, 57.47], [163.32, 57.82], [162.97, 57.97], [162.8, 58.38], [162.5, 58.25], [162.25, 58.35], [162.0, 58.25], [161.75, 58.35], [161.5, 58.25], [161.0, 58.46], [160.5, 58.25], [160.25, 58.35], [160.18, 58.32], [160.03, 57.97], [159.5, 57.75], [158.97, 57.97], [158.75, 58.5], [158.85, 58.75], [158.75, 59.0], [158.97, 59.53]]], [[[-179.75, 58.15], [-179.5, 58.25], [-179.25, 58.15], [-179.0, 58.25], [-178.75, 58.15], [-178.5, 58.25], [-177.97, 58.03], [-177.75, 57.5], [-177.85, 57.25], [-177.75, 57.0], [-177.97, 56.47], [-178.32, 56.32], [-178.35, 56.25], [-178.25, 56.0], [-178.47, 55.47], [-179.0, 55.25], [-179.53, 55.47], [-179.68, 55.82], [-179.75, 55.85], [-179.82, 55.82], [-179.97, 55.47], [-180.0, 55.46], [-180.0, 58.25], [-179.75, 58.15]]]]}, "2021-02-08T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[158.97, 59.53], [159.5, 59.75], [159.75, 59.65], [159.82, 59.68], [159.97, 60.03], [160.5, 60.25], [160.75, 60.15], [160.82, 60.18], [160.97, 60.53], [161.5, 60.75], [162.03, 60.53], [162.18, 60.18], [162.25, 60.15], [162.5, 60.25], [162.75, 60.15], [163.0, 60.25], [163.53, 60.03], [163.7, 59.63], [164.0, 59.75], [164.53, 59.53], [164.68, 59.18], [164.75, 59.15], [165.0, 59.25], [165.25, 59.15], [165.5, 59.25], [165.75, 59.15], [166.0, 59.25], [166.25, 59.15], [166.5, 59.25], [166.75, 59.15], [167.0, 59.25], [167.25, 59.15], [167.5, 59.25], [167.75, 59.15], [168.0, 59.25], [168.25, 59.15], [168.5, 59.25], [168.75, 59.15], [169.0, 59.25], [169.25, 59.15], [169.5, 59.25], [169.75, 59.15], [170.0, 59.25], [170.25, 59.15], [170.5, 59.25], [170.75, 59.15], [171.0, 59.25], [171.25, 59.15], [171.5, 59.25], [171.75, 59.15], [172.0, 59.25], [172.25, 59.15], [172.32, 59.18], [172.47, 59.53], [173.0, 59.75], [173.25, 59.65], [173.5, 59.75], [174.0, 59.54], [174.5, 59.75], [175.03, 59.53], [175.18, 59.18], [175.25, 59.15], [175.32, 59.18], [175.47, 59.53], [176.0, 59.75], [176.25, 59.65], [176.5, 59.75], [177.03, 59.53], [177.25, 59.0], [177.15, 58.75], [177.18, 58.68], [177.25, 58.65], [177.5, 58.75], [178.03, 58.53], [178.18, 58.18], [178.25, 58.15], [178.5, 58.25], [178.75, 58.15], [179.0, 58.25], [179.25, 58.15], [179.5, 58.25], [179.75, 58.15], [180.0, 58.25], [180.0, 55.46], [179.5, 55.25], [178.97, 55.47], [178.75, 56.0], [178.85, 56.25], [178.75, 56.5], [178.88, 56.8], [178.75, 56.85], [178.5, 56.75], [178.25, 56.85], [178.0, 56.75], [177.75, 56.85], [177.68, 56.82], [177.53, 56.47], [177.18, 56.32], [177.03, 55.97], [176.5, 55.75], [176.25, 55.85], [176.0, 55.75], [175.75, 55.85], [175.5, 55.75], [175.25, 55.85], [175.0, 55.75], [174.75, 55.85], [174.5, 55.75], [174.25, 55.85], [174.0, 55.75], [173.75, 55.85], [173.5, 55.75], [173.25, 55.85], [173.0, 55.75], [172.47, 55.97], [172.32, 56.32], [172.25, 56.35], [172.0, 56.25], [171.75, 56.35], [171.5, 56.25], [171.25, 56.35], [171.0, 56.25], [170.75, 56.35], [170.5, 56.25], [169.97, 56.47], [169.75, 57.0], [169.85, 57.25], [169.82, 57.32], [169.75, 57.35], [169.5, 57.25], [169.25, 57.35], [169.0, 57.25], [168.75, 57.35], [168.5, 57.25], [167.97, 57.47], [167.82, 57.82], [167.75, 57.85], [167.5, 57.75], [167.25, 57.85], [167.0, 57.75], [166.75, 57.85], [166.5, 57.75], [166.25, 57.85], [166.0, 57.75], [165.75, 57.85], [165.5, 57.75], [165.25, 57.85], [165.0, 57.75], [164.75, 57.85], [164.68, 57.82], [164.53, 57.47], [164.0, 57.25], [163.47, 57.47], [163.32, 57.82], [162.97, 57.97], [162.82, 58.32], [162.75, 58.35], [162.5, 58.25], [162.25, 58.35], [162.0, 58.25], [161.75, 58.35], [161.5, 58.25], [161.0, 58.46], [160.5, 58.25], [160.25, 58.35], [160.18, 58.32], [160.03, 57.97], [159.5, 57.75], [158.97, 57.97], [158.75, 58.5], [158.85, 58.75], [158.75, 59.0], [158.97, 59.53]]], [[[-179.75, 58.15], [-179.5, 58.25], [-179.25, 58.15], [-179.0, 58.25], [-178.75, 58.15], [-178.5, 58.25], [-177.97, 58.03], [-177.75, 57.5], [-177.85, 57.25], [-177.75, 57.0], [-177.97, 56.47], [-178.32, 56.32], [-178.35, 56.25], [-178.25, 56.0], [-178.47, 55.47], [-179.0, 55.25], [-179.53, 55.47], [-179.68, 55.82], [-179.75, 55.85], [-179.82, 55.82], [-179.97, 55.47], [-180.0, 55.46], [-180.0, 58.25], [-179.75, 58.15]]]]}, "2021-02-09T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[158.97, 59.53], [159.5, 59.75], [159.75, 59.65], [159.82, 59.68], [159.97, 60.03], [160.5, 60.25], [160.75, 60.15], [160.82, 60.18], [160.97, 60.53], [161.5, 60.75], [162.03, 60.53], [162.18, 60.18], [162.25, 60.15], [162.5, 60.25], [162.75, 60.15], [163.0, 60.25], [163.53, 60.03], [163.7, 59.63], [164.0, 59.75], [164.53, 59.53], [164.68, 59.18], [164.75, 59.15], [165.0, 59.25], [165.25, 59.15], [165.5, 59.25], [165.75, 59.15], [166.0, 59.25], [166.25, 59.15], [166.5, 59.25], [166.75, 59.15], [167.0, 59.25], [167.25, 59.15], [167.5, 59.25], [167.75, 59.15], [168.0, 59.25], [168.25, 59.15], [168.5, 59.25], [168.75, 59.15], [169.0, 59.25], [169.25, 59.15], [169.5, 59.25], [169.75, 59.15], [170.0, 59.25], [170.25, 59.15], [170.5, 59.25], [170.75, 59.15], [171.0, 59.25], [171.25, 59.15], [171.5, 59.25], [171.75, 59.15], [172.0, 59.25], [172.25, 59.15], [172.32, 59.18], [172.47, 59.53], [173.0, 59.75], [173.25, 59.65], [173.5, 59.75], [174.0, 59.54], [174.5, 59.75], [175.03, 59.53], [175.18, 59.18], [175.25, 59.15], [175.32, 59.18], [175.47, 59.53], [176.0, 59.75], [176.25, 59.65], [176.5, 59.75], [177.03, 59.53], [177.25, 59.0], [177.15, 58.75], [177.18, 58.68], [177.25, 58.65], [177.5, 58.75], [178.03, 58.53], [178.25, 58.0], [178.03, 57.47], [177.68, 57.32], [177.53, 56.97], [177.13, 56.8], [177.25, 56.5], [177.03, 55.97], [176.5, 55.75], [176.25, 55.85], [176.0, 55.75], [175.75, 55.85], [175.5, 55.75], [175.25, 55.85], [175.0, 55.75], [174.75, 55.85], [174.5, 55.75], [174.25, 55.85], [174.0, 55.75], [173.75, 55.85], [173.5, 55.75], [173.25, 55.85], [173.0, 55.75], [172.47, 55.97], [172.32, 56.32], [172.25, 56.35], [172.0, 56.25], [171.75, 56.35], [171.5, 56.25], [171.25, 56.35], [171.0, 56.25], [170.75, 56.35], [170.5, 56.25], [169.97, 56.47], [169.75, 57.0], [169.85, 57.25], [169.82, 57.32], [169.75, 57.35], [169.5, 57.25], [169.25, 57.35], [169.0, 57.25], [168.75, 57.35], [168.5, 57.25], [167.97, 57.47], [167.82, 57.82], [167.75, 57.85], [167.5, 57.75], [167.25, 57.85], [167.0, 57.75], [166.75, 57.85], [166.5, 57.75], [166.25, 57.85], [166.0, 57.75], [165.75, 57.85], [165.5, 57.75], [165.25, 57.85], [165.0, 57.75], [164.75, 57.85], [164.68, 57.82], [164.53, 57.47], [164.0, 57.25], [163.47, 57.47], [163.32, 57.82], [162.97, 57.97], [162.82, 58.32], [162.75, 58.35], [162.5, 58.25], [162.25, 58.35], [162.0, 58.25], [161.75, 58.35], [161.5, 58.25], [161.0, 58.46], [160.5, 58.25], [160.25, 58.35], [160.18, 58.32], [160.03, 57.97], [159.5, 57.75], [158.97, 57.97], [158.75, 58.5], [158.85, 58.75], [158.75, 59.0], [158.97, 59.53]]]]}, "2021-02-10T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[158.97, 59.53], [159.5, 59.75], [159.75, 59.65], [159.82, 59.68], [159.97, 60.03], [160.5, 60.25], [160.75, 60.15], [160.82, 60.18], [160.97, 60.53], [161.5, 60.75], [162.03, 60.53], [162.18, 60.18], [162.25, 60.15], [162.5, 60.25], [162.75, 60.15], [163.0, 60.25], [163.53, 60.03], [163.7, 59.63], [164.0, 59.75], [164.53, 59.53], [164.75, 59.0], [164.54, 58.5], [164.75, 58.0], [164.53, 57.47], [164.0, 57.25], [163.47, 57.47], [163.25, 58.0], [163.43, 58.43], [163.0, 58.25], [162.75, 58.35], [162.5, 58.25], [162.25, 58.35], [162.0, 58.25], [161.75, 58.35], [161.5, 58.25], [161.0, 58.46], [160.5, 58.25], [160.25, 58.35], [160.18, 58.32], [160.03, 57.97], [159.5, 57.75], [158.97, 57.97], [158.75, 58.5], [158.85, 58.75], [158.75, 59.0], [158.97, 59.53]]]]}}}, "max_amp": {"name": "Maximum anomaly amplitude", "description": "Maximum t2m anomaly recorded over entire duration", "value": 14.935259147390411}, "mean_amp": {"name": "Mean anomaly amplitude", "description": "Mean t2m anomaly over entire duration", "value": 5.167161015039863}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [2.126267702492271, 1.076085868788084, 0.9014290045844291, 0.8529088899841781, -3.7657290439607323]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [2.54108595032244, 2.554699430887297, 2.5044291636306184, 2.203471632313665, 0.3766089477301193]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [3.190800001906093, 4.556078929997886, 4.9404147209767135, 5.509537697516447, 11.749316357526807]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [3.5532220178594685, 13.943531891764735, 12.476507891147094, 14.935259147390411, 14.40219283245358]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.1485308080550423, 1.2537203132052805, 1.3093714682355193, 1.3600087338976798, 1.5626628810855767]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [1.2080718837277429, 1.7618483420878928, 1.5391598144867094, 1.8702046854448406, 1.7810797874647042]}}