{"version_information": {"version": "det_AHW_tail10.0_v1.1", "compiled_date": "2026-07-16 09:08:31.216414", "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": "2017-Jul-08_to_2017-Jul-10_355.0_20.5"}, "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": 2017070001812}, "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 08 2017"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "July 10 2017"}, "duration": {"name": "Duration", "description": "Time elapsed (days) from the start date to the end date", "value": 3}, "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": 118889.44131800382}, "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": ["Mali", "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": 20.5}, "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": 355.0}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "355.0\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 351.75}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 357.75}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": 18.25}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": 22.25}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2017-07-08T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-7.68, 20.18], [-7.53, 20.53], [-7.18, 20.68], [-7.15, 20.75], [-7.25, 21.0], [-7.03, 21.53], [-6.5, 21.75], [-6.25, 21.65], [-6.18, 21.68], [-6.03, 22.03], [-5.5, 22.25], [-5.25, 22.15], [-5.0, 22.25], [-4.75, 22.15], [-4.5, 22.25], [-4.25, 22.15], [-4.0, 22.25], [-3.75, 22.15], [-3.68, 22.18], [-3.53, 22.53], [-3.0, 22.75], [-2.75, 22.65], [-2.5, 22.75], [-1.97, 22.53], [-1.75, 22.0], [-1.97, 21.47], [-2.5, 21.25], [-2.75, 21.35], [-2.82, 21.32], [-2.85, 21.25], [-2.75, 21.0], [-2.97, 20.47], [-3.32, 20.32], [-3.35, 20.25], [-3.25, 20.0], [-3.47, 19.47], [-3.82, 19.32], [-3.97, 18.97], [-4.5, 18.75], [-4.75, 18.85], [-4.82, 18.82], [-4.97, 18.47], [-5.32, 18.32], [-5.47, 17.97], [-6.0, 17.75], [-6.25, 17.85], [-6.5, 17.75], [-7.03, 17.97], [-7.18, 18.32], [-7.25, 18.35], [-7.5, 18.25], [-7.75, 18.35], [-8.0, 18.25], [-8.53, 18.47], [-8.75, 19.0], [-8.53, 19.53], [-8.18, 19.68], [-8.03, 20.03], [-7.68, 20.18]]]]}, "2017-07-09T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-7.68, 20.18], [-7.53, 20.53], [-7.18, 20.68], [-7.15, 20.75], [-7.25, 21.0], [-7.03, 21.53], [-6.5, 21.75], [-6.25, 21.65], [-6.18, 21.68], [-6.03, 22.03], [-5.5, 22.25], [-5.25, 22.15], [-5.0, 22.25], [-4.75, 22.15], [-4.5, 22.25], [-4.25, 22.15], [-4.0, 22.25], [-3.75, 22.15], [-3.68, 22.18], [-3.53, 22.53], [-3.0, 22.75], [-2.75, 22.65], [-2.5, 22.75], [-1.97, 22.53], [-1.75, 22.0], [-1.97, 21.47], [-2.5, 21.25], [-2.75, 21.35], [-2.82, 21.32], [-2.85, 21.25], [-2.75, 21.0], [-2.97, 20.47], [-3.32, 20.32], [-3.35, 20.25], [-3.25, 20.0], [-3.47, 19.47], [-3.82, 19.32], [-3.97, 18.97], [-4.5, 18.75], [-4.75, 18.85], [-4.82, 18.82], [-4.97, 18.47], [-5.32, 18.32], [-5.47, 17.97], [-6.0, 17.75], [-6.25, 17.85], [-6.5, 17.75], [-7.03, 17.97], [-7.18, 18.32], [-7.25, 18.35], [-7.5, 18.25], [-7.75, 18.35], [-8.0, 18.25], [-8.53, 18.47], [-8.75, 19.0], [-8.53, 19.53], [-8.18, 19.68], [-8.03, 20.03], [-7.68, 20.18]]]]}, "2017-07-10T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-7.68, 20.18], [-7.53, 20.53], [-7.18, 20.68], [-7.15, 20.75], [-7.25, 21.0], [-7.03, 21.53], [-6.5, 21.75], [-6.25, 21.65], [-6.18, 21.68], [-6.03, 22.03], [-5.5, 22.25], [-5.25, 22.15], [-5.0, 22.25], [-4.75, 22.15], [-4.5, 22.25], [-4.25, 22.15], [-4.0, 22.25], [-3.75, 22.15], [-3.68, 22.18], [-3.53, 22.53], [-3.0, 22.75], [-2.75, 22.65], [-2.5, 22.75], [-1.97, 22.53], [-1.75, 22.0], [-1.97, 21.47], [-2.5, 21.25], [-2.75, 21.35], [-2.82, 21.32], [-2.85, 21.25], [-2.75, 21.0], [-2.97, 20.47], [-3.32, 20.32], [-3.35, 20.25], [-3.25, 20.0], [-3.47, 19.47], [-3.82, 19.32], [-3.97, 18.97], [-4.5, 18.75], [-4.75, 18.85], [-4.82, 18.82], [-4.97, 18.47], [-5.32, 18.32], [-5.47, 17.97], [-6.0, 17.75], [-6.25, 17.85], [-6.5, 17.75], [-7.03, 17.97], [-7.18, 18.32], [-7.25, 18.35], [-7.5, 18.25], [-7.75, 18.35], [-8.0, 18.25], [-8.53, 18.47], [-8.75, 19.0], [-8.53, 19.53], [-8.18, 19.68], [-8.03, 20.03], [-7.68, 20.18]]]]}}}, "max_amp": {"name": "Maximum anomaly amplitude", "description": "Maximum t2m anomaly recorded over entire duration", "value": 3.7075988776447844}, "mean_amp": {"name": "Mean anomaly amplitude", "description": "Mean t2m anomaly over entire duration", "value": 2.428326998714062}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [37.86058154467611, 38.7425023531128, 37.84721040520111]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [40.172783479249176, 40.78837080089676, 39.59311032433783]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [2.064652034712862, 3.0387224594809354, 2.1816065019483877]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [2.531026217515887, 3.7075988776447844, 3.1022614600302063]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.896321878935415, 2.74659418649894, 1.9774379477248658]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [2.3927323983978246, 3.355351922002783, 2.7953625762520513]}}