{"version_information": {"version": "det_AHW_tail10.0_v1.1", "compiled_date": "2026-07-16 09:20:20.147022", "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-02_to_2019-Aug-05_29.0_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": 2019080001294}, "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 02 2019"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "August 05 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": 118538.31122008382}, "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", "Sudan"]}, "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": 29.0}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "29.0\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 27.25}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 30.75}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": 18.75}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": 22.75}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2019-08-02T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[26.96, 20.5], [26.75, 21.0], [26.85, 21.25], [26.75, 21.5], [26.97, 22.03], [27.32, 22.18], [27.47, 22.53], [28.0, 22.75], [28.3, 22.63], [28.47, 23.03], [29.0, 23.25], [29.25, 23.15], [29.5, 23.25], [29.75, 23.15], [30.0, 23.25], [30.53, 23.03], [30.75, 22.5], [30.65, 22.25], [30.75, 22.0], [30.65, 21.75], [30.68, 21.68], [31.03, 21.53], [31.25, 21.0], [31.15, 20.75], [31.25, 20.5], [31.03, 19.97], [30.68, 19.82], [30.53, 19.47], [30.18, 19.32], [30.03, 18.97], [29.68, 18.82], [29.53, 18.47], [29.0, 18.25], [28.75, 18.35], [28.5, 18.25], [28.25, 18.35], [28.0, 18.25], [27.47, 18.47], [27.32, 18.82], [26.97, 18.97], [26.75, 19.5], [26.85, 19.75], [26.75, 20.0], [26.96, 20.5]]]]}, "2019-08-03T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[26.96, 20.5], [26.75, 21.0], [26.85, 21.25], [26.75, 21.5], [26.97, 22.03], [27.32, 22.18], [27.47, 22.53], [28.0, 22.75], [28.3, 22.63], [28.47, 23.03], [29.0, 23.25], [29.25, 23.15], [29.5, 23.25], [29.75, 23.15], [30.0, 23.25], [30.53, 23.03], [30.75, 22.5], [30.65, 22.25], [30.75, 22.0], [30.65, 21.75], [30.68, 21.68], [31.03, 21.53], [31.25, 21.0], [31.15, 20.75], [31.25, 20.5], [31.03, 19.97], [30.68, 19.82], [30.65, 19.75], [30.75, 19.5], [30.53, 18.97], [30.0, 18.75], [29.75, 18.85], [29.68, 18.82], [29.53, 18.47], [29.0, 18.25], [28.75, 18.35], [28.5, 18.25], [28.25, 18.35], [28.0, 18.25], [27.47, 18.47], [27.32, 18.82], [26.97, 18.97], [26.75, 19.5], [26.85, 19.75], [26.75, 20.0], [26.96, 20.5]]]]}, "2019-08-04T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[26.96, 20.5], [26.75, 21.0], [26.85, 21.25], [26.75, 21.5], [26.97, 22.03], [27.32, 22.18], [27.47, 22.53], [28.0, 22.75], [28.3, 22.63], [28.47, 23.03], [29.0, 23.25], [29.25, 23.15], [29.5, 23.25], [29.75, 23.15], [30.0, 23.25], [30.53, 23.03], [30.75, 22.5], [30.65, 22.25], [30.75, 22.0], [30.65, 21.75], [30.68, 21.68], [31.03, 21.53], [31.25, 21.0], [31.15, 20.75], [31.25, 20.5], [31.03, 19.97], [30.68, 19.82], [30.65, 19.75], [30.75, 19.5], [30.53, 18.97], [30.0, 18.75], [29.75, 18.85], [29.68, 18.82], [29.53, 18.47], [29.0, 18.25], [28.75, 18.35], [28.5, 18.25], [28.25, 18.35], [28.0, 18.25], [27.47, 18.47], [27.32, 18.82], [26.97, 18.97], [26.75, 19.5], [26.85, 19.75], [26.75, 20.0], [26.96, 20.5]]]]}, "2019-08-05T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[28.47, 18.97], [28.25, 19.5], [28.47, 20.03], [29.0, 20.25], [29.25, 20.15], [29.5, 20.25], [29.75, 20.15], [30.0, 20.25], [30.53, 20.03], [30.75, 19.5], [30.53, 18.97], [30.0, 18.75], [29.75, 18.85], [29.5, 18.75], [29.25, 18.85], [29.0, 18.75], [28.47, 18.97]]]]}}}, "max_amp": {"name": "Maximum anomaly amplitude", "description": "Maximum t2m anomaly recorded over entire duration", "value": 3.764877548568677}, "mean_amp": {"name": "Mean anomaly amplitude", "description": "Mean t2m anomaly over entire duration", "value": 2.6053812215209713}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [36.42212364598487, 36.805937344868255, 36.6236679575909, 37.03675646920823]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [37.90394841414877, 38.20968845328963, 38.87330315342086, 37.410706664846714]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [2.46821932440247, 2.783511414926654, 2.6148936442344626, 1.8697574294722774]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [3.6424999485847707, 3.764877548568677, 3.6038553443705723, 1.904187367765303]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.7667340797249236, 1.981790907277782, 1.8802021859587148, 1.407028645667341]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [2.569654762533816, 2.558590040707369, 2.750113205760802, 1.4268685194649264]}}