{"version_information": {"version": "det_AHW_tail10.0_v1.2", "compiled_date": "2026-06-27 18:31:44.890932", "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-Jul-02_to_2022-Jul-06_195.5_-79.5"}, "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": 2022070001470}, "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": "July 02 2022"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "July 06 2022"}, "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": 71482.65894328522}, "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": ["Antarctica"]}, "IPCC_regions": {"name": "IPCC regions", "description": "List of all IPCC regions affected", "value": ["W.Antarctica"]}, "continents_affected": {"name": "Continents affected", "description": "List of all continents affected", "value": ["Antarctica"]}, "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": ["Southern Ocean"]}, "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": -79.5}, "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": 195.5}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "195.5\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 189.25}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 204.75}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": -81.75}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": -78.25}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2022-07-02T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-161.18, -78.32], [-161.03, -77.97], [-160.5, -77.75], [-160.25, -77.85], [-160.0, -77.75], [-159.75, -77.85], [-159.5, -77.75], [-159.25, -77.85], [-159.0, -77.75], [-158.75, -77.85], [-158.5, -77.75], [-157.97, -77.97], [-157.82, -78.32], [-157.47, -78.47], [-157.32, -78.82], [-156.97, -78.97], [-156.82, -79.32], [-156.75, -79.35], [-156.5, -79.25], [-156.25, -79.35], [-156.0, -79.25], [-155.47, -79.47], [-155.25, -80.0], [-155.47, -80.53], [-156.0, -80.75], [-156.25, -80.65], [-156.5, -80.75], [-156.75, -80.65], [-157.0, -80.75], [-157.25, -80.65], [-157.5, -80.75], [-157.75, -80.65], [-158.0, -80.75], [-158.25, -80.65], [-158.5, -80.75], [-158.75, -80.65], [-159.0, -80.75], [-159.25, -80.65], [-159.5, -80.75], [-159.75, -80.65], [-160.0, -80.75], [-160.25, -80.65], [-160.5, -80.75], [-160.75, -80.65], [-161.0, -80.75], [-161.25, -80.65], [-161.5, -80.75], [-162.03, -80.53], [-162.25, -80.0], [-162.03, -79.47], [-161.62, -79.3], [-161.75, -79.0], [-161.53, -78.47], [-161.18, -78.32]]], [[[-169.75, -78.5], [-169.53, -77.97], [-169.0, -77.75], [-168.75, -77.85], [-168.5, -77.75], [-168.25, -77.85], [-168.0, -77.75], [-167.75, -77.85], [-167.5, -77.75], [-167.25, -77.85], [-167.0, -77.75], [-166.75, -77.85], [-166.5, -77.75], [-166.25, -77.85], [-166.0, -77.75], [-165.75, -77.85], [-165.5, -77.75], [-164.97, -77.97], [-164.82, -78.32], [-164.47, -78.47], [-164.32, -78.82], [-163.97, -78.97], [-163.75, -79.5], [-163.97, -80.03], [-164.5, -80.25], [-165.03, -80.03], [-165.18, -79.68], [-165.25, -79.65], [-165.5, -79.75], [-165.75, -79.65], [-166.0, -79.75], [-166.25, -79.65], [-166.5, -79.75], [-166.75, -79.65], [-167.0, -79.75], [-167.53, -79.53], [-167.68, -79.18], [-167.75, -79.15], [-168.0, -79.25], [-168.25, -79.15], [-168.5, -79.25], [-168.75, -79.15], [-169.0, -79.25], [-169.53, -79.03], [-169.75, -78.5]]]]}, "2022-07-03T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-171.03, -79.03], [-171.25, -78.5], [-171.03, -77.97], [-170.5, -77.75], [-170.25, -77.85], [-170.0, -77.75], [-169.75, -77.85], [-169.5, -77.75], [-169.25, -77.85], [-169.0, -77.75], [-168.75, -77.85], [-168.5, -77.75], [-168.25, -77.85], [-168.0, -77.75], [-167.75, -77.85], [-167.5, -77.75], [-167.25, -77.85], [-167.0, -77.75], [-166.75, -77.85], [-166.5, -77.75], [-166.25, -77.85], [-166.0, -77.75], [-165.75, -77.85], [-165.5, -77.75], [-164.97, -77.97], [-164.82, -78.32], [-164.47, -78.47], [-164.32, -78.82], [-163.97, -78.97], [-163.82, -79.32], [-163.75, -79.35], [-163.5, -79.25], [-163.25, -79.35], [-163.0, -79.25], [-162.75, -79.35], [-162.5, -79.25], [-162.25, -79.35], [-162.0, -79.25], [-161.75, -79.35], [-161.62, -79.3], [-161.75, -79.0], [-161.53, -78.47], [-161.18, -78.32], [-161.03, -77.97], [-160.5, -77.75], [-160.25, -77.85], [-160.0, -77.75], [-159.75, -77.85], [-159.5, -77.75], [-159.25, -77.85], [-159.0, -77.75], [-158.75, -77.85], [-158.5, -77.75], [-157.97, -77.97], [-157.82, -78.32], [-157.47, -78.47], [-157.32, -78.82], [-156.97, -78.97], [-156.82, -79.32], [-156.75, -79.35], [-156.5, -79.25], [-156.25, -79.35], [-156.0, -79.25], [-155.47, -79.47], [-155.32, -79.82], [-154.97, -79.97], [-154.75, -80.5], [-154.97, -81.03], [-155.32, -81.18], [-155.47, -81.53], [-156.0, -81.75], [-156.25, -81.65], [-156.5, -81.75], [-156.75, -81.65], [-157.0, -81.75], [-157.25, -81.65], [-157.5, -81.75], [-157.75, -81.65], [-158.0, -81.75], [-158.53, -81.53], [-158.68, -81.18], [-158.75, -81.15], [-159.0, -81.25], [-159.25, -81.15], [-159.5, -81.25], [-159.75, -81.15], [-160.0, -81.25], [-160.25, -81.15], [-160.5, -81.25], [-160.75, -81.15], [-160.82, -81.18], [-160.97, -81.53], [-161.5, -81.75], [-162.0, -81.54], [-162.5, -81.75], [-162.75, -81.65], [-163.0, -81.75], [-163.25, -81.65], [-163.5, -81.75], [-163.75, -81.65], [-164.0, -81.75], [-164.25, -81.65], [-164.5, -81.75], [-164.75, -81.65], [-165.0, -81.75], [-165.25, -81.65], [-165.5, -81.75], [-165.75, -81.65], [-166.0, -81.75], [-166.25, -81.65], [-166.5, -81.75], [-166.75, -81.65], [-167.0, -81.75], [-167.25, -81.65], [-167.5, -81.75], [-167.75, -81.65], [-168.0, -81.75], [-168.25, -81.65], [-168.5, -81.75], [-169.03, -81.53], [-169.18, -81.18], [-169.25, -81.15], [-169.5, -81.25], [-169.75, -81.15], [-170.0, -81.25], [-170.53, -81.03], [-170.75, -80.5], [-170.53, -79.97], [-170.18, -79.82], [-170.03, -79.47], [-169.5, -79.25], [-169.75, -79.15], [-170.0, -79.25], [-170.25, -79.15], [-170.5, -79.25], [-171.03, -79.03]], [[-169.25, -79.35], [-169.12, -79.3], [-169.18, -79.18], [-169.25, -79.15], [-169.5, -79.25], [-169.25, -79.35]]]]}, "2022-07-04T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-171.03, -79.03], [-171.25, -78.5], [-171.03, -77.97], [-170.5, -77.75], [-170.25, -77.85], [-170.0, -77.75], [-169.75, -77.85], [-169.5, -77.75], [-169.25, -77.85], [-169.0, -77.75], [-168.75, -77.85], [-168.5, -77.75], [-168.25, -77.85], [-168.0, -77.75], [-167.75, -77.85], [-167.5, -77.75], [-167.25, -77.85], [-167.0, -77.75], [-166.75, -77.85], [-166.5, -77.75], [-166.25, -77.85], [-166.0, -77.75], [-165.75, -77.85], [-165.5, -77.75], [-164.97, -77.97], [-164.82, -78.32], [-164.47, -78.47], [-164.32, -78.82], [-164.25, -78.85], [-164.0, -78.75], [-163.75, -78.85], [-163.5, -78.75], [-163.25, -78.85], [-163.0, -78.75], [-162.75, -78.85], [-162.5, -78.75], [-162.25, -78.85], [-162.0, -78.75], [-161.7, -78.87], [-161.53, -78.47], [-161.18, -78.32], [-161.03, -77.97], [-160.5, -77.75], [-160.25, -77.85], [-160.0, -77.75], [-159.75, -77.85], [-159.5, -77.75], [-159.25, -77.85], [-159.0, -77.75], [-158.75, -77.85], [-158.5, -77.75], [-157.97, -77.97], [-157.82, -78.32], [-157.47, -78.47], [-157.32, -78.82], [-156.97, -78.97], [-156.82, -79.32], [-156.75, -79.35], [-156.5, -79.25], [-156.25, -79.35], [-156.0, -79.25], [-155.47, -79.47], [-155.32, -79.82], [-154.97, -79.97], [-154.75, -80.5], [-154.97, -81.03], [-155.32, -81.18], [-155.47, -81.53], [-156.0, -81.75], [-156.25, -81.65], [-156.5, -81.75], [-156.75, -81.65], [-156.82, -81.68], [-156.97, -82.03], [-157.5, -82.25], [-158.03, -82.03], [-158.18, -81.68], [-158.25, -81.65], [-158.5, -81.75], [-158.75, -81.65], [-159.0, -81.75], [-159.53, -81.53], [-159.68, -81.18], [-159.75, -81.15], [-160.0, -81.25], [-160.25, -81.15], [-160.5, -81.25], [-160.75, -81.15], [-160.82, -81.18], [-160.97, -81.53], [-161.5, -81.75], [-162.0, -81.54], [-162.5, -81.75], [-162.75, -81.65], [-163.0, -81.75], [-163.25, -81.65], [-163.5, -81.75], [-163.75, -81.65], [-164.0, -81.75], [-164.25, -81.65], [-164.5, -81.75], [-164.75, -81.65], [-165.0, -81.75], [-165.25, -81.65], [-165.5, -81.75], [-165.75, -81.65], [-166.0, -81.75], [-166.25, -81.65], [-166.5, -81.75], [-166.75, -81.65], [-167.0, -81.75], [-167.25, -81.65], [-167.5, -81.75], [-167.75, -81.65], [-168.0, -81.75], [-168.25, -81.65], [-168.5, -81.75], [-169.03, -81.53], [-169.18, -81.18], [-169.25, -81.15], [-169.5, -81.25], [-169.75, -81.15], [-170.0, -81.25], [-170.53, -81.03], [-170.75, -80.5], [-170.53, -79.97], [-170.18, -79.82], [-170.03, -79.47], [-169.5, -79.25], [-169.75, -79.15], [-170.0, -79.25], [-170.25, -79.15], [-170.5, -79.25], [-171.03, -79.03]], [[-169.25, -79.35], [-169.12, -79.3], [-169.18, -79.18], [-169.25, -79.15], [-169.5, -79.25], [-169.25, -79.35]]]]}, "2022-07-05T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-171.03, -79.03], [-171.25, -78.5], [-171.03, -77.97], [-170.5, -77.75], [-170.25, -77.85], [-170.0, -77.75], [-169.75, -77.85], [-169.5, -77.75], [-169.25, -77.85], [-169.0, -77.75], [-168.75, -77.85], [-168.5, -77.75], [-168.25, -77.85], [-168.0, -77.75], [-167.75, -77.85], [-167.5, -77.75], [-167.25, -77.85], [-167.0, -77.75], [-166.75, -77.85], [-166.5, -77.75], [-166.25, -77.85], [-166.0, -77.75], [-165.75, -77.85], [-165.5, -77.75], [-164.97, -77.97], [-164.82, -78.32], [-164.47, -78.47], [-164.32, -78.82], [-164.25, -78.85], [-164.0, -78.75], [-163.75, -78.85], [-163.5, -78.75], [-163.25, -78.85], [-163.0, -78.75], [-162.75, -78.85], [-162.5, -78.75], [-162.25, -78.85], [-162.0, -78.75], [-161.7, -78.87], [-161.53, -78.47], [-161.18, -78.32], [-161.03, -77.97], [-160.5, -77.75], [-160.25, -77.85], [-160.0, -77.75], [-159.75, -77.85], [-159.5, -77.75], [-159.25, -77.85], [-159.0, -77.75], [-158.75, -77.85], [-158.5, -77.75], [-157.97, -77.97], [-157.82, -78.32], [-157.47, -78.47], [-157.32, -78.82], [-156.97, -78.97], [-156.82, -79.32], [-156.75, -79.35], [-156.5, -79.25], [-156.25, -79.35], [-156.0, -79.25], [-155.47, -79.47], [-155.32, -79.82], [-154.97, -79.97], [-154.75, -80.5], [-154.97, -81.03], [-155.32, -81.18], [-155.47, -81.53], [-156.0, -81.75], [-156.25, -81.65], [-156.5, -81.75], [-156.75, -81.65], [-156.82, -81.68], [-156.97, -82.03], [-157.5, -82.25], [-158.03, -82.03], [-158.18, -81.68], [-158.25, -81.65], [-158.5, -81.75], [-158.75, -81.65], [-159.0, -81.75], [-159.53, -81.53], [-159.68, -81.18], [-159.75, -81.15], [-160.0, -81.25], [-160.25, -81.15], [-160.5, -81.25], [-160.75, -81.15], [-160.82, -81.18], [-160.97, -81.53], [-161.5, -81.75], [-162.0, -81.54], [-162.5, -81.75], [-162.75, -81.65], [-163.0, -81.75], [-163.25, -81.65], [-163.5, -81.75], [-163.75, -81.65], [-164.0, -81.75], [-164.25, -81.65], [-164.5, -81.75], [-164.75, -81.65], [-165.0, -81.75], [-165.25, -81.65], [-165.5, -81.75], [-165.75, -81.65], [-166.0, -81.75], [-166.25, -81.65], [-166.5, -81.75], [-166.75, -81.65], [-167.0, -81.75], [-167.25, -81.65], [-167.5, -81.75], [-167.75, -81.65], [-168.0, -81.75], [-168.25, -81.65], [-168.5, -81.75], [-169.03, -81.53], [-169.18, -81.18], [-169.25, -81.15], [-169.5, -81.25], [-169.75, -81.15], [-170.0, -81.25], [-170.53, -81.03], [-170.75, -80.5], [-170.53, -79.97], [-170.18, -79.82], [-170.03, -79.47], [-169.5, -79.25], [-169.75, -79.15], [-170.0, -79.25], [-170.25, -79.15], [-170.5, -79.25], [-171.03, -79.03]], [[-169.25, -79.35], [-169.12, -79.3], [-169.18, -79.18], [-169.25, -79.15], [-169.5, -79.25], [-169.25, -79.35]]]]}, "2022-07-06T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-166.75, -79.5], [-166.53, -78.97], [-166.0, -78.75], [-165.75, -78.85], [-165.5, -78.75], [-165.25, -78.85], [-165.0, -78.75], [-164.75, -78.85], [-164.5, -78.75], [-164.25, -78.85], [-164.0, -78.75], [-163.75, -78.85], [-163.5, -78.75], [-163.25, -78.85], [-163.0, -78.75], [-162.75, -78.85], [-162.5, -78.75], [-162.25, -78.85], [-162.0, -78.75], [-161.7, -78.87], [-161.53, -78.47], [-161.18, -78.32], [-161.03, -77.97], [-160.5, -77.75], [-160.25, -77.85], [-160.0, -77.75], [-159.75, -77.85], [-159.5, -77.75], [-159.25, -77.85], [-159.0, -77.75], [-158.75, -77.85], [-158.5, -77.75], [-157.97, -77.97], [-157.82, -78.32], [-157.47, -78.47], [-157.32, -78.82], [-156.97, -78.97], [-156.82, -79.32], [-156.75, -79.35], [-156.5, -79.25], [-155.97, -79.47], [-155.82, -79.82], [-155.47, -79.97], [-155.25, -80.5], [-155.47, -81.03], [-156.0, -81.25], [-156.25, -81.15], [-156.5, -81.25], [-156.75, -81.15], [-156.87, -81.2], [-156.75, -81.5], [-156.97, -82.03], [-157.5, -82.25], [-158.03, -82.03], [-158.18, -81.68], [-158.25, -81.65], [-158.5, -81.75], [-158.75, -81.65], [-159.0, -81.75], [-159.53, -81.53], [-159.68, -81.18], [-159.75, -81.15], [-160.0, -81.25], [-160.25, -81.15], [-160.5, -81.25], [-160.75, -81.15], [-161.0, -81.25], [-161.25, -81.15], [-161.5, -81.25], [-161.75, -81.15], [-162.0, -81.25], [-162.25, -81.15], [-162.5, -81.25], [-162.75, -81.15], [-163.0, -81.25], [-163.53, -81.03], [-163.68, -80.68], [-163.75, -80.65], [-164.0, -80.75], [-164.25, -80.65], [-164.5, -80.75], [-164.75, -80.65], [-165.0, -80.75], [-165.25, -80.65], [-165.5, -80.75], [-166.03, -80.53], [-166.18, -80.18], [-166.53, -80.03], [-166.75, -79.5]]]]}}}, "max_amp": {"name": "Maximum anomaly amplitude", "description": "Maximum t2m anomaly recorded over entire duration", "value": 18.156499365209385}, "mean_amp": {"name": "Mean anomaly amplitude", "description": "Mean t2m anomaly over entire duration", "value": 13.896752225029068}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [-21.276828896046567, -24.531619829722132, -23.22284835613101, -21.959937496804883, -23.397266917599296]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [-17.50137113188589, -19.90526109118494, -18.806702706649816, -17.57067290115694, -19.516783028666964]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [14.050409643871365, 12.827223362991887, 14.01303246148181, 15.201020413640562, 12.944650771760356]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [15.572934688088594, 14.265395950707841, 17.11753265940129, 18.156499365209385, 14.037850984276332]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.5652897793706728, 1.4404545151106278, 1.5713934047099822, 1.7026159115367645, 1.4255837735744261]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [1.684572015172501, 1.5909438543758674, 1.8085204153505494, 2.0471751611332833, 1.5991086907778327]}}