{"version_information": {"version": "det_AHW_tail10.0_v1.1", "compiled_date": "2026-07-16 09:20:23.210835", "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-Aug-14_to_2019-Aug-18_30.0_26.0"}, "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": 2019080002140}, "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": "August 14 2019"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "August 18 2019"}, "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": 94592.17773701188}, "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": ["Egypt"]}, "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": 26.0}, "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": 30.0}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "30.0\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 28.25}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 32.25}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": 23.75}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": 27.75}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2019-08-14T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[27.85, 26.75], [27.75, 27.0], [27.85, 27.25], [27.75, 27.5], [27.97, 28.03], [28.5, 28.25], [29.03, 28.03], [29.25, 27.5], [29.15, 27.25], [29.25, 27.0], [29.15, 26.75], [29.18, 26.68], [29.25, 26.65], [29.32, 26.68], [29.47, 27.03], [30.0, 27.25], [30.53, 27.03], [30.75, 26.5], [30.65, 26.25], [30.75, 26.0], [30.65, 25.75], [30.75, 25.5], [30.53, 24.97], [30.0, 24.75], [29.47, 24.97], [29.32, 25.32], [29.25, 25.35], [29.0, 25.25], [28.75, 25.35], [28.5, 25.25], [27.97, 25.47], [27.75, 26.0], [27.85, 26.25], [27.75, 26.5], [27.85, 26.75]]]]}, "2019-08-15T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[27.85, 26.75], [27.75, 27.0], [27.85, 27.25], [27.75, 27.5], [27.97, 28.03], [28.5, 28.25], [29.03, 28.03], [29.25, 27.5], [29.15, 27.25], [29.18, 27.18], [29.5, 27.04], [30.0, 27.25], [30.25, 27.15], [30.5, 27.25], [30.75, 27.15], [30.82, 27.18], [30.97, 27.53], [31.5, 27.75], [31.75, 27.65], [32.0, 27.75], [32.53, 27.53], [32.75, 27.0], [32.65, 26.75], [32.75, 26.5], [32.65, 26.25], [32.75, 26.0], [32.65, 25.75], [32.75, 25.5], [32.65, 25.25], [32.75, 25.0], [32.53, 24.47], [32.18, 24.32], [32.03, 23.97], [31.5, 23.75], [31.25, 23.85], [31.18, 23.82], [31.03, 23.47], [30.5, 23.25], [29.97, 23.47], [29.75, 24.0], [29.85, 24.25], [29.75, 24.5], [29.85, 24.75], [29.82, 24.82], [29.75, 24.85], [29.5, 24.75], [29.25, 24.85], [29.0, 24.75], [28.47, 24.97], [28.32, 25.32], [27.97, 25.47], [27.75, 26.0], [27.85, 26.25], [27.75, 26.5], [27.85, 26.75]]]]}, "2019-08-16T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[27.85, 26.75], [27.75, 27.0], [27.85, 27.25], [27.75, 27.5], [27.97, 28.03], [28.5, 28.25], [29.03, 28.03], [29.25, 27.5], [29.15, 27.25], [29.18, 27.18], [29.5, 27.04], [30.0, 27.25], [30.25, 27.15], [30.5, 27.25], [30.75, 27.15], [30.82, 27.18], [30.97, 27.53], [31.5, 27.75], [31.75, 27.65], [32.0, 27.75], [32.53, 27.53], [32.75, 27.0], [32.65, 26.75], [32.75, 26.5], [32.65, 26.25], [32.75, 26.0], [32.65, 25.75], [32.75, 25.5], [32.65, 25.25], [32.75, 25.0], [32.53, 24.47], [32.18, 24.32], [32.03, 23.97], [31.5, 23.75], [31.25, 23.85], [31.18, 23.82], [31.03, 23.47], [30.5, 23.25], [29.97, 23.47], [29.75, 24.0], [29.85, 24.25], [29.75, 24.5], [29.85, 24.75], [29.82, 24.82], [29.75, 24.85], [29.5, 24.75], [29.25, 24.85], [29.0, 24.75], [28.47, 24.97], [28.32, 25.32], [27.97, 25.47], [27.75, 26.0], [27.85, 26.25], [27.75, 26.5], [27.85, 26.75]]]]}, "2019-08-17T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[27.75, 26.0], [27.97, 26.53], [28.32, 26.68], [28.47, 27.03], [29.0, 27.25], [29.53, 27.03], [29.68, 26.68], [29.75, 26.65], [29.82, 26.68], [29.97, 27.03], [30.5, 27.25], [30.75, 27.15], [30.82, 27.18], [30.97, 27.53], [31.5, 27.75], [31.75, 27.65], [32.0, 27.75], [32.53, 27.53], [32.75, 27.0], [32.65, 26.75], [32.75, 26.5], [32.65, 26.25], [32.75, 26.0], [32.65, 25.75], [32.75, 25.5], [32.65, 25.25], [32.75, 25.0], [32.53, 24.47], [32.18, 24.32], [32.03, 23.97], [31.5, 23.75], [31.25, 23.85], [31.18, 23.82], [31.03, 23.47], [30.5, 23.25], [29.97, 23.47], [29.75, 24.0], [29.85, 24.25], [29.75, 24.5], [29.85, 24.75], [29.82, 24.82], [29.75, 24.85], [29.5, 24.75], [29.25, 24.85], [29.0, 24.75], [28.47, 24.97], [28.32, 25.32], [27.97, 25.47], [27.75, 26.0]]]]}, "2019-08-18T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[30.5, 24.75], [31.03, 24.53], [31.25, 24.0], [31.03, 23.47], [30.5, 23.25], [29.97, 23.47], [29.75, 24.0], [29.97, 24.53], [30.5, 24.75]]]]}}}, "max_amp": {"name": "Maximum anomaly amplitude", "description": "Maximum t2m anomaly recorded over entire duration", "value": 4.355868086674377}, "mean_amp": {"name": "Mean anomaly amplitude", "description": "Mean t2m anomaly over entire duration", "value": 2.8876938126901206}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [33.27966381284091, 34.28899027662709, 34.756318785797816, 33.83101960749252, 35.83020444456156]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [33.624835105934324, 36.186499268526234, 37.437231297015956, 36.454489517683385, 35.83020444456156]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [2.3978559952232734, 2.8339882049252028, 3.4202841409945828, 2.494675963964451, 2.411671284591648]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [2.647280432316336, 3.661767850126523, 4.355868086674377, 2.965740164073793, 2.411671284591648]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.5066315498893879, 1.9016194070566481, 2.3988846098074132, 1.692674970892945, 1.5319623658706725]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [1.6455389266433462, 2.4883122298941784, 3.079449821760452, 2.01085575416147, 1.5319623658706725]}}