{"version_information": {"version": "det_AHW_tail10.0_v1.2", "compiled_date": "2026-06-27 18:29:09.106955", "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-21_to_2022-Jan-25_352.0_32.5"}, "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": 2022010002367}, "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 21 2022"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "January 25 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": 101016.86990158603}, "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": ["Morocco"]}, "IPCC_regions": {"name": "IPCC regions", "description": "List of all IPCC regions affected", "value": ["Mediterranean"]}, "continents_affected": {"name": "Continents affected", "description": "List of all continents affected", "value": ["Africa"]}, "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": ["North Atlantic 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": 32.5}, "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": 352.0}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "352.0\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 349.75}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 353.75}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": 31.25}, "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": {"2022-01-21T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-9.53, 32.53], [-9.0, 32.75], [-8.75, 32.65], [-8.5, 32.75], [-8.25, 32.65], [-8.0, 32.75], [-7.47, 32.53], [-7.25, 32.0], [-7.47, 31.47], [-8.0, 31.25], [-8.25, 31.35], [-8.32, 31.32], [-8.47, 30.97], [-9.0, 30.75], [-9.53, 30.97], [-9.75, 31.5], [-9.65, 31.75], [-9.75, 32.0], [-9.53, 32.53]]]]}, "2022-01-22T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-10.65, 34.25], [-10.75, 34.5], [-10.53, 35.03], [-10.0, 35.25], [-9.75, 35.15], [-9.5, 35.25], [-9.25, 35.15], [-9.0, 35.25], [-8.75, 35.15], [-8.5, 35.25], [-8.25, 35.15], [-8.0, 35.25], [-7.47, 35.03], [-7.32, 34.68], [-6.97, 34.53], [-6.75, 34.0], [-6.85, 33.75], [-6.8, 33.62], [-6.5, 33.75], [-5.97, 33.53], [-5.75, 33.0], [-5.85, 32.75], [-5.75, 32.5], [-5.97, 31.97], [-6.32, 31.82], [-6.47, 31.47], [-7.0, 31.25], [-7.25, 31.35], [-7.32, 31.32], [-7.47, 30.97], [-8.0, 30.75], [-8.25, 30.85], [-8.5, 30.75], [-8.75, 30.85], [-9.0, 30.75], [-9.53, 30.97], [-9.68, 31.32], [-10.03, 31.47], [-10.25, 32.0], [-10.15, 32.25], [-10.25, 32.5], [-10.15, 32.75], [-10.18, 32.82], [-10.53, 32.97], [-10.75, 33.5], [-10.65, 33.75], [-10.75, 34.0], [-10.65, 34.25]]]]}, "2022-01-23T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-10.65, 34.25], [-10.75, 34.5], [-10.53, 35.03], [-10.0, 35.25], [-9.75, 35.15], [-9.5, 35.25], [-9.25, 35.15], [-9.0, 35.25], [-8.75, 35.15], [-8.5, 35.25], [-8.25, 35.15], [-8.0, 35.25], [-7.47, 35.03], [-7.32, 34.68], [-6.97, 34.53], [-6.75, 34.0], [-6.85, 33.75], [-6.8, 33.62], [-6.5, 33.75], [-5.97, 33.53], [-5.75, 33.0], [-5.85, 32.75], [-5.75, 32.5], [-5.97, 31.97], [-6.32, 31.82], [-6.47, 31.47], [-7.0, 31.25], [-7.25, 31.35], [-7.32, 31.32], [-7.47, 30.97], [-8.0, 30.75], [-8.25, 30.85], [-8.5, 30.75], [-8.75, 30.85], [-9.0, 30.75], [-9.53, 30.97], [-9.68, 31.32], [-10.03, 31.47], [-10.25, 32.0], [-10.15, 32.25], [-10.25, 32.5], [-10.15, 32.75], [-10.18, 32.82], [-10.53, 32.97], [-10.75, 33.5], [-10.65, 33.75], [-10.75, 34.0], [-10.65, 34.25]]]]}, "2022-01-24T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-10.65, 34.25], [-10.75, 34.5], [-10.53, 35.03], [-10.0, 35.25], [-9.75, 35.15], [-9.5, 35.25], [-9.25, 35.15], [-9.0, 35.25], [-8.75, 35.15], [-8.5, 35.25], [-8.25, 35.15], [-8.0, 35.25], [-7.47, 35.03], [-7.32, 34.68], [-6.97, 34.53], [-6.75, 34.0], [-6.85, 33.75], [-6.8, 33.62], [-6.5, 33.75], [-5.97, 33.53], [-5.75, 33.0], [-5.85, 32.75], [-5.75, 32.5], [-5.97, 31.97], [-6.32, 31.82], [-6.47, 31.47], [-7.0, 31.25], [-7.25, 31.35], [-7.32, 31.32], [-7.47, 30.97], [-8.0, 30.75], [-8.25, 30.85], [-8.5, 30.75], [-9.03, 30.97], [-9.18, 31.32], [-9.25, 31.35], [-9.5, 31.25], [-10.03, 31.47], [-10.25, 32.0], [-10.15, 32.25], [-10.25, 32.5], [-10.15, 32.75], [-10.18, 32.82], [-10.53, 32.97], [-10.75, 33.5], [-10.65, 33.75], [-10.75, 34.0], [-10.65, 34.25]]]]}, "2022-01-25T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-8.53, 33.53], [-8.0, 33.75], [-7.47, 33.53], [-7.32, 33.18], [-6.97, 33.03], [-6.75, 32.5], [-6.97, 31.97], [-7.5, 31.75], [-7.75, 31.85], [-8.0, 31.75], [-8.53, 31.97], [-8.75, 32.5], [-8.65, 32.75], [-8.75, 33.0], [-8.53, 33.53]]]]}}}, "max_amp": {"name": "Maximum anomaly amplitude", "description": "Maximum t2m anomaly recorded over entire duration", "value": 8.002113758211635}, "mean_amp": {"name": "Mean anomaly amplitude", "description": "Mean t2m anomaly over entire duration", "value": 3.2282359223241017}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [14.734087929256987, 17.110369878520032, 17.039420646329972, 15.862726436541095, 14.664152940100962]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [14.817518649061697, 18.987801060967058, 18.025459470984572, 17.234959753428257, 14.780656670118617]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [2.814679445504609, 3.7253206010654814, 3.6437031912724716, 2.3479016509968784, 2.773925251152434]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [3.1319502175045955, 8.002113758211635, 7.209156881750459, 3.6822121604982385, 3.1199610866504486]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.3941982727835902, 2.2249001446347987, 2.2510292154856697, 1.5021520458228939, 1.3875920349940927]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [1.4668538188464306, 4.008282816860496, 3.3862595300581866, 2.071422499898284, 1.5280852714894149]}}