{"version_information": {"version": "det_AHW_tail10.0_v1.1", "compiled_date": "2026-07-16 09:20:07.974512", "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-01_to_2019-Jul-04_358.0_15.5"}, "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": 2019070001247}, "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 01 2019"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "July 04 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": 110158.65142169183}, "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", "Western-Africa"]}, "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": 15.5}, "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": 358.0}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "358.0\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 353.75}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 360.25}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": 13.25}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": 16.75}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2019-07-01T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-4.5, 14.75], [-3.97, 14.53], [-3.75, 14.0], [-3.85, 13.75], 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"coordinates": [[[[-6.53, 16.03], [-6.0, 16.25], [-5.75, 16.15], [-5.68, 16.18], [-5.53, 16.53], [-5.0, 16.75], [-4.7, 16.62], [-4.53, 17.03], [-4.0, 17.25], [-3.75, 17.15], [-3.5, 17.25], [-3.25, 17.15], [-3.0, 17.25], [-2.75, 17.15], [-2.5, 17.25], [-2.25, 17.15], [-2.0, 17.25], [-1.47, 17.03], [-1.32, 16.68], [-1.25, 16.65], [-1.18, 16.68], [-1.03, 17.03], [-0.5, 17.25], [-0.25, 17.15], [0.0, 17.25], [0.53, 17.03], [0.75, 16.5], [0.53, 15.97], [0.18, 15.82], [0.03, 15.47], [-0.5, 15.25], [-0.75, 15.35], [-0.82, 15.32], [-0.97, 14.97], [-1.32, 14.82], [-1.47, 14.47], [-2.0, 14.25], [-2.25, 14.35], [-2.5, 14.25], [-3.03, 14.47], [-3.18, 14.82], [-3.25, 14.85], [-3.32, 14.82], [-3.47, 14.47], [-4.0, 14.25], [-4.25, 14.35], [-4.32, 14.32], [-4.37, 14.2], [-3.97, 14.03], [-3.75, 13.5], [-3.97, 12.97], [-4.5, 12.75], [-5.03, 12.97], [-5.25, 13.5], [-5.12, 13.8], [-5.53, 13.97], [-5.68, 14.32], [-5.75, 14.35], [-6.0, 14.25], [-6.53, 14.47], [-6.75, 15.0], [-6.65, 15.25], [-6.75, 15.5], [-6.53, 16.03]]]]}}}, "max_amp": {"name": "Maximum anomaly amplitude", "description": "Maximum t2m anomaly recorded over entire duration", "value": 3.447990339469868}, "mean_amp": {"name": "Mean anomaly amplitude", "description": "Mean t2m anomaly over entire duration", "value": 2.50700554107232}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [35.50847375720406, 35.47304075120792, 35.44778950184718, 35.472101828713164]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [36.6661122681129, 36.53520458982575, 36.48194037161676, 36.647445653876446]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [2.3853710909892243, 2.4782866780922133, 2.5399749687146733, 2.565066947043538]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [3.099828900458249, 3.0948950070894057, 3.398184132960921, 3.447990339469868]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.6695666604141521, 1.6962411417081111, 1.7408605266019692, 1.7649126887981275]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [2.0169616280297524, 2.137741510497938, 2.1931369066009174, 2.2299463128421344]}}