{"version_information": {"version": "det_AHW_tail10.0_v1.1", "compiled_date": "2026-07-16 08:45:54.662016", "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": "2010-Oct-01_to_2010-Oct-04_348.5_21.5"}, "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": 2010100001409}, "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 01 2010"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "October 04 2010"}, "duration": {"name": "Duration", "description": "Time elapsed (days) from the start date to the end date", "value": 4}, "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": 243350.7850849843}, "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": ["Mauritania", "Morocco"]}, "IPCC_regions": {"name": "IPCC regions", "description": "List of all IPCC regions affected", "value": ["Sahara"]}, "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": []}, "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": 21.5}, "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": 348.5}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "348.5\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 344.75}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 350.75}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": 19.75}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": 24.75}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2010-10-01T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-13.65, 21.25], [-13.75, 21.5], [-13.53, 22.03], [-13.18, 22.18], [-13.03, 22.53], [-12.5, 22.75], [-12.25, 22.65], [-12.0, 22.75], [-11.75, 22.65], [-11.68, 22.68], [-11.53, 23.03], [-11.18, 23.18], [-11.15, 23.25], [-11.18, 23.32], [-11.53, 23.47], [-11.75, 24.0], [-11.53, 24.53], [-11.18, 24.68], [-11.03, 25.03], [-10.5, 25.25], [-10.25, 25.15], [-10.0, 25.25], [-9.47, 25.03], [-9.32, 24.68], [-8.97, 24.53], [-8.75, 24.0], [-8.85, 23.75], [-8.75, 23.5], [-8.85, 23.25], [-8.75, 23.0], [-8.85, 22.75], [-8.75, 22.5], [-8.97, 21.97], [-9.32, 21.82], [-9.35, 21.75], [-9.25, 21.5], [-9.35, 21.25], [-9.32, 21.18], [-8.97, 21.03], [-8.75, 20.5], [-8.97, 19.97], [-9.32, 19.82], [-9.47, 19.47], [-10.0, 19.25], [-10.25, 19.35], [-10.5, 19.25], [-11.03, 19.47], [-11.18, 19.82], [-11.25, 19.85], [-11.5, 19.75], [-12.0, 19.96], [-12.5, 19.75], [-12.75, 19.85], [-13.0, 19.75], [-13.53, 19.97], [-13.75, 20.5], [-13.65, 20.75], [-13.75, 21.0], [-13.65, 21.25]]]]}, "2010-10-02T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-15.25, 22.0], [-15.15, 22.25], [-15.25, 22.5], [-15.15, 22.75], [-15.25, 23.0], [-15.03, 23.53], [-14.68, 23.68], [-14.53, 24.03], [-14.0, 24.25], [-13.75, 24.15], [-13.5, 24.25], [-13.25, 24.15], [-13.0, 24.25], [-12.7, 24.12], [-12.53, 24.53], [-12.0, 24.75], [-11.75, 24.65], [-11.68, 24.68], [-11.53, 25.03], [-11.0, 25.25], [-10.75, 25.15], [-10.5, 25.25], [-10.25, 25.15], [-10.0, 25.25], [-9.47, 25.03], [-9.32, 24.68], [-8.97, 24.53], [-8.75, 24.0], [-8.85, 23.75], [-8.75, 23.5], [-8.85, 23.25], [-8.75, 23.0], [-8.85, 22.75], [-8.75, 22.5], [-8.97, 21.97], [-9.32, 21.82], [-9.35, 21.75], [-9.25, 21.5], [-9.35, 21.25], [-9.32, 21.18], [-8.97, 21.03], [-8.75, 20.5], [-8.97, 19.97], [-9.32, 19.82], [-9.47, 19.47], [-10.0, 19.25], [-10.25, 19.35], [-10.5, 19.25], [-11.03, 19.47], [-11.18, 19.82], [-11.25, 19.85], [-11.5, 19.75], [-11.8, 19.88], [-11.97, 19.47], [-12.5, 19.25], [-12.75, 19.35], [-13.0, 19.25], [-13.25, 19.35], [-13.5, 19.25], [-14.03, 19.47], [-14.18, 19.82], [-14.53, 19.97], [-14.68, 20.32], [-14.75, 20.35], [-15.0, 20.25], [-15.53, 20.47], [-15.75, 21.0], [-15.53, 21.53], [-15.18, 21.68], [-15.15, 21.75], [-15.25, 22.0]]]]}, "2010-10-03T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-15.25, 22.0], [-15.15, 22.25], [-15.25, 22.5], [-15.15, 22.75], [-15.25, 23.0], [-15.03, 23.53], [-14.68, 23.68], [-14.53, 24.03], [-14.0, 24.25], [-13.75, 24.15], [-13.5, 24.25], [-13.25, 24.15], [-13.0, 24.25], [-12.7, 24.12], [-12.53, 24.53], [-12.0, 24.75], [-11.75, 24.65], [-11.68, 24.68], [-11.53, 25.03], [-11.0, 25.25], [-10.75, 25.15], [-10.5, 25.25], [-10.25, 25.15], [-10.0, 25.25], [-9.47, 25.03], [-9.32, 24.68], [-8.97, 24.53], [-8.75, 24.0], [-8.85, 23.75], [-8.75, 23.5], [-8.85, 23.25], [-8.75, 23.0], [-8.85, 22.75], [-8.75, 22.5], [-8.97, 21.97], [-9.32, 21.82], [-9.35, 21.75], [-9.25, 21.5], [-9.35, 21.25], [-9.32, 21.18], [-8.97, 21.03], [-8.75, 20.5], [-8.97, 19.97], [-9.32, 19.82], [-9.47, 19.47], [-10.0, 19.25], [-10.25, 19.35], [-10.5, 19.25], [-11.03, 19.47], [-11.18, 19.82], [-11.25, 19.85], [-11.5, 19.75], [-11.8, 19.88], [-11.97, 19.47], [-12.5, 19.25], [-12.75, 19.35], [-13.0, 19.25], [-13.25, 19.35], [-13.5, 19.25], [-14.03, 19.47], [-14.18, 19.82], [-14.53, 19.97], [-14.68, 20.32], [-14.75, 20.35], [-15.0, 20.25], [-15.53, 20.47], [-15.75, 21.0], [-15.53, 21.53], [-15.18, 21.68], [-15.15, 21.75], [-15.25, 22.0]]]]}, "2010-10-04T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-15.25, 22.0], [-15.15, 22.25], [-15.25, 22.5], [-15.15, 22.75], [-15.25, 23.0], [-15.03, 23.53], [-14.68, 23.68], [-14.53, 24.03], [-14.0, 24.25], [-13.75, 24.15], [-13.5, 24.25], [-13.25, 24.15], [-13.0, 24.25], [-12.7, 24.12], [-12.53, 24.53], [-12.0, 24.75], [-11.75, 24.65], [-11.68, 24.68], [-11.53, 25.03], [-11.0, 25.25], [-10.75, 25.15], [-10.5, 25.25], [-10.25, 25.15], [-10.0, 25.25], [-9.47, 25.03], [-9.25, 24.5], [-9.35, 24.25], [-9.25, 24.0], [-9.35, 23.75], [-9.32, 23.68], [-8.97, 23.53], [-8.75, 23.0], [-8.85, 22.75], [-8.75, 22.5], [-8.97, 21.97], [-9.32, 21.82], [-9.47, 21.47], [-9.82, 21.32], [-9.97, 20.97], [-10.5, 20.75], [-10.75, 20.85], [-10.82, 20.82], [-10.97, 20.47], [-11.5, 20.25], [-11.75, 20.35], [-11.82, 20.32], [-11.85, 20.25], [-11.75, 20.0], [-11.97, 19.47], [-12.5, 19.25], [-12.75, 19.35], [-13.0, 19.25], [-13.25, 19.35], [-13.5, 19.25], [-14.03, 19.47], [-14.18, 19.82], [-14.53, 19.97], [-14.68, 20.32], [-14.75, 20.35], [-15.0, 20.25], [-15.53, 20.47], [-15.75, 21.0], [-15.53, 21.53], [-15.18, 21.68], [-15.15, 21.75], [-15.25, 22.0]]]]}}}, "max_amp": {"name": "Maximum anomaly amplitude", "description": "Maximum t2m anomaly recorded over entire duration", "value": 7.46294148712883}, "mean_amp": {"name": "Mean anomaly amplitude", "description": "Mean t2m anomaly over entire duration", "value": 3.960079067940345}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [33.82571649027551, 34.338728585187994, 34.288282337141595, 33.479820275763245]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [35.45238561286379, 36.38474927926126, 36.78008016718121, 36.570280231059485]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [3.7385959911568194, 4.335910933232558, 4.231983102696642, 3.333817775594989]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [4.792820275659892, 5.491205752450583, 7.46294148712883, 3.930242170120266]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.4653742655966435, 1.7335471496704615, 1.7271379056517726, 1.3986646444466413]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [1.7597314824219525, 2.11807345057412, 2.561750595471164, 1.6787956143908902]}}