{"version_information": {"version": "det_AHW_tail10.0_v1.2", "compiled_date": "2026-06-27 18:29:03.365062", "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": "2022-Jan-14_to_2022-Jan-19_107.0_34.0"}, "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": 2022010002058}, "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": "January 14 2022"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "January 19 2022"}, "duration": {"name": "Duration", "description": "Time elapsed (days) from the start date to the end date", "value": 6}, "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": 59134.48928593783}, "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"]}, "IPCC_regions": {"name": "IPCC regions", "description": "List of all IPCC regions affected", "value": ["E.Asia"]}, "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": 34.0}, "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": 107.0}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "107.0\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 104.75}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 111.25}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": 32.75}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": 34.75}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2022-01-14T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[107.5, 35.25], [108.03, 35.03], [108.25, 34.5], [108.03, 33.97], [107.5, 33.75], [106.97, 33.97], [106.75, 34.5], [106.97, 35.03], [107.5, 35.25]]]]}, "2022-01-15T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[105.82, 34.18], [105.97, 34.53], [106.5, 34.75], [106.75, 34.65], [106.82, 34.68], [106.97, 35.03], [107.5, 35.25], [108.03, 35.03], [108.2, 34.63], [108.5, 34.75], [109.0, 34.54], [109.5, 34.75], [109.75, 34.65], [110.0, 34.75], [110.25, 34.65], [110.5, 34.75], [110.75, 34.65], [111.0, 34.75], [111.53, 34.53], [111.75, 34.0], [111.53, 33.47], [111.0, 33.25], [110.75, 33.35], [110.68, 33.32], [110.53, 32.97], [110.0, 32.75], [109.75, 32.85], [109.5, 32.75], [109.25, 32.85], [109.0, 32.75], [108.75, 32.85], [108.5, 32.75], [108.25, 32.85], [108.0, 32.75], [107.75, 32.85], [107.5, 32.75], [107.25, 32.85], [107.0, 32.75], [106.75, 32.85], [106.5, 32.75], [106.25, 32.85], [106.18, 32.82], [106.03, 32.47], [105.5, 32.25], [104.97, 32.47], [104.75, 33.0], [104.97, 33.53], [105.32, 33.68], [105.47, 34.03], [105.82, 34.18]]]]}, "2022-01-16T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[104.97, 34.53], [105.5, 34.75], [105.75, 34.65], [106.0, 34.75], [106.25, 34.65], [106.5, 34.75], [106.75, 34.65], [106.82, 34.68], [106.97, 35.03], [107.5, 35.25], [108.03, 35.03], [108.2, 34.63], [108.5, 34.75], [109.0, 34.54], [109.5, 34.75], [109.75, 34.65], [110.0, 34.75], [110.25, 34.65], [110.5, 34.75], [110.75, 34.65], [111.0, 34.75], [111.53, 34.53], [111.75, 34.0], [111.53, 33.47], [111.0, 33.25], [110.75, 33.35], [110.68, 33.32], [110.53, 32.97], [110.0, 32.75], [109.75, 32.85], [109.5, 32.75], [109.25, 32.85], [109.0, 32.75], [108.75, 32.85], [108.5, 32.75], [108.25, 32.85], [108.0, 32.75], [107.75, 32.85], [107.5, 32.75], [107.25, 32.85], [107.0, 32.75], [106.75, 32.85], [106.5, 32.75], [106.25, 32.85], [106.18, 32.82], [106.03, 32.47], [105.5, 32.25], [105.25, 32.35], [105.0, 32.25], [104.47, 32.47], [104.25, 33.0], [104.47, 33.53], [104.88, 33.7], [104.75, 34.0], [104.97, 34.53]]]]}, "2022-01-17T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[104.75, 34.0], [104.97, 34.53], [105.5, 34.75], [105.75, 34.65], [106.0, 34.75], [106.25, 34.65], [106.5, 34.75], [106.75, 34.65], [107.0, 34.75], [107.25, 34.65], [107.5, 34.75], [108.0, 34.54], [108.5, 34.75], [109.0, 34.54], [109.5, 34.75], [109.75, 34.65], [110.0, 34.75], [110.25, 34.65], [110.5, 34.75], [110.75, 34.65], [111.0, 34.75], [111.53, 34.53], [111.75, 34.0], [111.53, 33.47], [111.0, 33.25], [110.75, 33.35], [110.68, 33.32], [110.53, 32.97], [110.0, 32.75], [109.75, 32.85], [109.5, 32.75], [109.25, 32.85], [109.0, 32.75], [108.75, 32.85], [108.5, 32.75], [108.25, 32.85], [108.0, 32.75], [107.75, 32.85], [107.5, 32.75], [107.25, 32.85], [107.0, 32.75], [106.75, 32.85], [106.5, 32.75], [106.25, 32.85], [106.18, 32.82], [106.03, 32.47], [105.5, 32.25], [105.25, 32.35], [105.0, 32.25], [104.47, 32.47], [104.25, 33.0], [104.47, 33.53], [104.82, 33.68], [104.85, 33.75], [104.75, 34.0]]]]}, "2022-01-18T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[104.75, 34.0], [104.97, 34.53], [105.5, 34.75], [105.75, 34.65], [106.0, 34.75], [106.5, 34.54], [107.0, 34.75], [107.25, 34.65], [107.5, 34.75], [108.03, 34.53], [108.18, 34.18], [108.25, 34.15], [108.5, 34.25], [108.75, 34.15], [108.82, 34.18], [108.97, 34.53], [109.5, 34.75], [109.75, 34.65], [110.0, 34.75], [110.25, 34.65], [110.5, 34.75], [110.75, 34.65], [111.0, 34.75], [111.53, 34.53], [111.75, 34.0], [111.53, 33.47], [111.0, 33.25], [110.75, 33.35], [110.68, 33.32], [110.53, 32.97], [110.0, 32.75], [109.75, 32.85], [109.5, 32.75], [109.25, 32.85], [109.0, 32.75], [108.75, 32.85], [108.5, 32.75], [108.25, 32.85], [108.0, 32.75], [107.5, 32.96], [107.0, 32.75], [106.47, 32.97], [106.3, 33.38], [106.18, 33.32], [106.15, 33.25], [106.25, 33.0], [106.03, 32.47], [105.5, 32.25], [105.25, 32.35], [105.0, 32.25], [104.47, 32.47], [104.25, 33.0], [104.47, 33.53], [104.82, 33.68], [104.85, 33.75], [104.75, 34.0]]]]}, "2022-01-19T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[104.75, 34.0], [104.97, 34.53], [105.5, 34.75], [105.75, 34.65], [106.0, 34.75], [106.5, 34.54], [107.0, 34.75], [107.25, 34.65], [107.5, 34.75], [108.03, 34.53], [108.18, 34.18], [108.25, 34.15], [108.5, 34.25], [108.75, 34.15], [108.82, 34.18], [108.97, 34.53], [109.5, 34.75], [109.75, 34.65], [110.0, 34.75], [110.25, 34.65], [110.5, 34.75], [110.75, 34.65], [111.0, 34.75], [111.53, 34.53], [111.75, 34.0], [111.53, 33.47], [111.0, 33.25], [110.75, 33.35], [110.68, 33.32], [110.53, 32.97], [110.0, 32.75], [109.75, 32.85], [109.5, 32.75], [109.25, 32.85], [109.0, 32.75], [108.75, 32.85], [108.5, 32.75], [108.25, 32.85], [108.0, 32.75], [107.5, 32.96], [107.0, 32.75], [106.47, 32.97], [106.3, 33.38], [106.18, 33.32], [106.15, 33.25], [106.25, 33.0], [106.03, 32.47], [105.5, 32.25], [105.25, 32.35], [105.0, 32.25], [104.47, 32.47], [104.25, 33.0], [104.47, 33.53], [104.82, 33.68], [104.85, 33.75], [104.75, 34.0]]]]}}}, "max_amp": {"name": "Maximum anomaly amplitude", "description": "Maximum t2m anomaly recorded over entire duration", "value": 5.52656519870709}, "mean_amp": {"name": "Mean anomaly amplitude", "description": "Mean t2m anomaly over entire duration", "value": 3.983975314243317}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [2.069236901917577, 1.6615261535857258, 2.0757881577006856, 1.9461952629786765, 1.5445117336660132, 1.789196671099205]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [2.069236901917577, 3.73846114692725, 4.111349878773126, 4.477733555511122, 2.7327525228940317, 3.119532257834237]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [2.594463676943633, 3.5524489140141364, 4.07348828420171, 4.092860148028672, 4.0054699162018625, 4.26976080400781]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [2.594463676943633, 4.4790173974651, 5.490202328386431, 5.023703070324132, 4.870725469395666, 5.52656519870709]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.1948759021721491, 1.3195571379265485, 1.4448053488217825, 1.4096464078097004, 1.2933648512510505, 1.3384113741600354]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [1.1948759021721491, 1.9351525974280532, 1.831594469737827, 1.7386212309934284, 1.5018206892242039, 1.6707528473820776]}}