{"version_information": {"version": "det_AHW_tail10.0_v1.2", "compiled_date": "2026-06-27 18:21:53.096412", "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": "2020-Oct-22_to_2020-Oct-24_103.0_57.0"}, "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": 2020100002276}, "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": "October 22 2020"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "October 24 2020"}, "duration": {"name": "Duration", "description": "Time elapsed (days) from the start date to the end date", "value": 3}, "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": 59933.048666457704}, "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": ["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": 57.0}, "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": 103.0}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "103.0\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 101.25}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 105.75}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": 54.75}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": 57.75}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2020-10-22T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[102.0, 57.75], [102.25, 57.65], [102.5, 57.75], [102.75, 57.65], [102.82, 57.68], [102.97, 58.03], [103.5, 58.25], [103.75, 58.15], [104.0, 58.25], [104.25, 58.15], [104.5, 58.25], [104.75, 58.15], [105.0, 58.25], [105.53, 58.03], [105.75, 57.5], [105.65, 57.25], [105.68, 57.18], [106.03, 57.03], [106.25, 56.5], [106.15, 56.25], [106.25, 56.0], [106.03, 55.47], [105.68, 55.32], [105.53, 54.97], [105.0, 54.75], [104.75, 54.85], [104.68, 54.82], [104.53, 54.47], [104.0, 54.25], [103.75, 54.35], [103.5, 54.25], [102.97, 54.47], [102.82, 54.82], [102.75, 54.85], [102.5, 54.75], [101.97, 54.97], [101.75, 55.5], [101.85, 55.75], [101.82, 55.82], [101.75, 55.85], [101.5, 55.75], [100.97, 55.97], [100.75, 56.5], [100.97, 57.03], [101.32, 57.18], [101.47, 57.53], [102.0, 57.75]]]]}, "2020-10-23T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[102.0, 57.75], [102.25, 57.65], [102.5, 57.75], [102.75, 57.65], [102.82, 57.68], [102.97, 58.03], [103.5, 58.25], [103.75, 58.15], [104.0, 58.25], [104.25, 58.15], [104.5, 58.25], [104.75, 58.15], [105.0, 58.25], [105.53, 58.03], [105.75, 57.5], [105.65, 57.25], [105.68, 57.18], [106.03, 57.03], [106.25, 56.5], [106.15, 56.25], [106.25, 56.0], [106.03, 55.47], [105.68, 55.32], [105.53, 54.97], [105.0, 54.75], [104.75, 54.85], [104.68, 54.82], [104.53, 54.47], [104.0, 54.25], [103.75, 54.35], [103.5, 54.25], [102.97, 54.47], [102.82, 54.82], [102.75, 54.85], [102.5, 54.75], [101.97, 54.97], [101.75, 55.5], [101.85, 55.75], [101.82, 55.82], [101.75, 55.85], [101.5, 55.75], [100.97, 55.97], [100.75, 56.5], [100.97, 57.03], [101.32, 57.18], [101.47, 57.53], [102.0, 57.75]]]]}, "2020-10-24T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[102.0, 57.75], [102.25, 57.65], [102.5, 57.75], [102.75, 57.65], [102.82, 57.68], [102.97, 58.03], [103.5, 58.25], [103.75, 58.15], [104.0, 58.25], [104.25, 58.15], [104.5, 58.25], [104.75, 58.15], [105.0, 58.25], [105.53, 58.03], [105.75, 57.5], [105.65, 57.25], [105.68, 57.18], [106.03, 57.03], [106.25, 56.5], [106.15, 56.25], [106.25, 56.0], [106.03, 55.47], [105.68, 55.32], [105.53, 54.97], [105.0, 54.75], [104.75, 54.85], [104.68, 54.82], [104.53, 54.47], [104.0, 54.25], [103.75, 54.35], [103.5, 54.25], [102.97, 54.47], [102.82, 54.82], [102.75, 54.85], [102.5, 54.75], [101.97, 54.97], [101.75, 55.5], [101.85, 55.75], [101.82, 55.82], [101.75, 55.85], [101.5, 55.75], [100.97, 55.97], [100.75, 56.5], [100.97, 57.03], [101.32, 57.18], [101.47, 57.53], [102.0, 57.75]]]]}}}, "max_amp": {"name": "Maximum anomaly amplitude", "description": "Maximum t2m anomaly recorded over entire duration", "value": 7.814692529393199}, "mean_amp": {"name": "Mean anomaly amplitude", "description": "Mean t2m anomaly over entire duration", "value": 6.136445423782587}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [3.4448269423113516, 2.6769826810941026, 1.7488766058098122]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [4.967311088408735, 4.6874256523286135, 3.2541384577818917]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [6.638624579040644, 6.175734327249821, 5.5949773650572965]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [7.814692529393199, 7.076202433782157, 6.010000559035291]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.5324267153993911, 1.3685200605786254, 1.2183846569942174]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [1.7746775208784096, 1.529817741633608, 1.2765583104754386]}}