{"version_information": {"version": "det_AHW_tail10.0_v1.1", "compiled_date": "2026-07-16 09:20:13.835615", "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": "2019-Jul-21_to_2019-Jul-24_346.5_19.5"}, "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": 2019070002610}, "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 21 2019"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "July 24 2019"}, "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": 58416.06290749031}, "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"]}, "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": 19.5}, "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": 346.5}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "346.5\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 344.25}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 348.75}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": 16.75}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": 20.75}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2019-07-21T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-14.53, 20.03], [-14.0, 20.25], [-13.75, 20.15], [-13.68, 20.18], [-13.53, 20.53], [-13.0, 20.75], [-12.75, 20.65], [-12.5, 20.75], [-11.97, 20.53], [-11.75, 20.0], [-11.85, 19.75], [-11.75, 19.5], [-11.97, 18.97], [-12.5, 18.75], [-12.75, 18.85], [-12.82, 18.82], [-12.97, 18.47], [-13.5, 18.25], [-13.75, 18.35], [-14.0, 18.25], [-14.53, 18.47], [-14.75, 19.0], [-14.65, 19.25], [-14.75, 19.5], [-14.53, 20.03]]]]}, "2019-07-22T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-16.25, 17.5], [-16.03, 18.03], [-15.68, 18.18], [-15.53, 18.53], [-15.18, 18.68], [-15.03, 19.03], [-14.68, 19.18], [-14.65, 19.25], [-14.75, 19.5], [-14.53, 20.03], [-14.0, 20.25], [-13.75, 20.15], [-13.68, 20.18], [-13.53, 20.53], [-13.18, 20.68], [-13.03, 21.03], [-12.5, 21.25], [-12.25, 21.15], [-12.0, 21.25], [-11.75, 21.15], [-11.5, 21.25], [-10.97, 21.03], [-10.75, 20.5], [-10.85, 20.25], [-10.75, 20.0], [-10.97, 19.47], [-11.5, 19.25], [-11.75, 19.35], [-11.82, 19.32], [-11.97, 18.97], [-12.5, 18.75], [-12.75, 18.85], [-12.82, 18.82], [-12.97, 18.47], [-13.5, 18.25], [-13.75, 18.35], [-13.82, 18.32], [-13.85, 18.25], [-13.75, 18.0], [-13.85, 17.75], [-13.75, 17.5], [-13.97, 16.97], [-14.32, 16.82], [-14.47, 16.47], [-15.0, 16.25], [-15.53, 16.47], [-15.68, 16.82], [-16.03, 16.97], [-16.25, 17.5]]]]}, "2019-07-23T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-16.25, 17.5], [-16.03, 18.03], [-15.68, 18.18], [-15.53, 18.53], [-15.18, 18.68], [-15.03, 19.03], [-14.68, 19.18], [-14.65, 19.25], [-14.75, 19.5], [-14.53, 20.03], [-14.0, 20.25], [-13.75, 20.15], [-13.68, 20.18], [-13.53, 20.53], [-13.18, 20.68], [-13.03, 21.03], [-12.5, 21.25], [-12.25, 21.15], [-12.0, 21.25], [-11.75, 21.15], [-11.5, 21.25], [-10.97, 21.03], [-10.75, 20.5], [-10.85, 20.25], [-10.75, 20.0], [-10.97, 19.47], [-11.5, 19.25], [-11.75, 19.35], [-11.82, 19.32], [-11.97, 18.97], [-12.5, 18.75], [-12.75, 18.85], [-12.82, 18.82], [-12.97, 18.47], [-13.5, 18.25], [-13.75, 18.35], [-13.82, 18.32], [-13.85, 18.25], [-13.75, 18.0], [-13.85, 17.75], [-13.75, 17.5], [-13.97, 16.97], [-14.32, 16.82], [-14.47, 16.47], [-15.0, 16.25], [-15.53, 16.47], [-15.68, 16.82], [-16.03, 16.97], [-16.25, 17.5]]]]}, "2019-07-24T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-16.25, 17.5], [-16.03, 18.03], [-15.68, 18.18], [-15.53, 18.53], [-15.18, 18.68], [-15.03, 19.03], [-14.5, 19.25], [-14.2, 19.12], [-14.15, 19.25], [-14.25, 19.5], [-14.03, 20.03], [-13.68, 20.18], [-13.53, 20.53], [-13.18, 20.68], [-13.03, 21.03], [-12.5, 21.25], [-12.25, 21.15], [-12.0, 21.25], [-11.75, 21.15], [-11.5, 21.25], [-10.97, 21.03], [-10.75, 20.5], [-10.85, 20.25], [-10.75, 20.0], [-10.97, 19.47], [-11.5, 19.25], [-11.75, 19.35], [-11.82, 19.32], [-11.97, 18.97], [-12.5, 18.75], [-12.75, 18.85], [-12.82, 18.82], [-12.97, 18.47], [-13.5, 18.25], [-13.8, 18.38], [-13.85, 18.25], [-13.75, 18.0], [-13.85, 17.75], [-13.75, 17.5], [-13.97, 16.97], [-14.32, 16.82], [-14.47, 16.47], [-15.0, 16.25], [-15.53, 16.47], [-15.68, 16.82], [-16.03, 16.97], [-16.25, 17.5]]]]}}}, "max_amp": {"name": "Maximum anomaly amplitude", "description": "Maximum t2m anomaly recorded over entire duration", "value": 4.96497089269468}, "mean_amp": {"name": "Mean anomaly amplitude", "description": "Mean t2m anomaly over entire duration", "value": 3.0073544704000037}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [37.20429610130452, 35.79933366821399, 35.453160502604646, 35.24070886433941]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [38.09113125406452, 39.03814008838492, 37.37954704584615, 37.494604193941086]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [3.3137778437347905, 3.192599643570597, 2.920314732122668, 2.7620491545920345]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [3.7336276050114066, 4.96497089269468, 3.412709890881331, 3.4185754816380722]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.5722291295548252, 1.756185552168794, 1.6770202627016988, 1.631329204697967]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [1.8118818000700185, 2.198905462086987, 2.1898568252358146, 2.1955877095580765]}}