{"version_information": {"version": "det_AHW_tail10.0_v1.1", "compiled_date": "2026-07-16 08:51:14.585282", "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": "2012-Aug-10_to_2012-Aug-14_32.0_22.5"}, "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": 2012080002108}, "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 10 2012"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "August 14 2012"}, "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": 129719.82081319657}, "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": 22.5}, "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": 32.0}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "32.0\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": 33.25}, "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": 23.75}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2012-08-10T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[30.43, 22.93], [30.0, 22.75], [29.47, 22.97], [29.25, 23.5], [29.47, 24.03], [30.0, 24.25], [30.53, 24.03], [30.75, 23.5], [30.57, 23.07], [31.0, 23.25], [31.25, 23.15], [31.5, 23.25], [31.75, 23.15], [31.82, 23.18], [31.97, 23.53], [32.5, 23.75], [33.03, 23.53], [33.18, 23.18], [33.53, 23.03], [33.75, 22.5], [33.53, 21.97], [33.18, 21.82], [33.03, 21.47], [32.5, 21.25], [32.25, 21.35], [32.0, 21.25], [31.75, 21.35], [31.5, 21.25], [31.25, 21.35], [31.0, 21.25], [30.47, 21.47], [30.25, 22.0], [30.35, 22.25], [30.25, 22.5], [30.43, 22.93]]]]}, "2012-08-11T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[29.46, 23.0], [29.25, 23.5], [29.47, 24.03], [30.0, 24.25], [30.53, 24.03], [30.68, 23.68], [30.75, 23.65], [31.0, 23.75], [31.25, 23.65], [31.5, 23.75], [32.0, 23.54], [32.5, 23.75], [33.03, 23.53], [33.18, 23.18], [33.53, 23.03], [33.75, 22.5], [33.53, 21.97], [33.18, 21.82], [33.03, 21.47], [32.5, 21.25], [32.25, 21.35], [32.18, 21.32], [32.03, 20.97], [31.5, 20.75], [30.97, 20.97], [30.82, 21.32], [30.75, 21.35], [30.5, 21.25], [30.25, 21.35], [30.0, 21.25], [29.47, 21.47], [29.25, 22.0], [29.35, 22.25], [29.25, 22.5], [29.46, 23.0]]]]}, "2012-08-12T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[28.82, 20.18], [28.97, 20.53], [29.32, 20.68], [29.35, 20.75], [29.25, 21.0], [29.46, 21.5], [29.25, 22.0], [29.35, 22.25], [29.25, 22.5], [29.46, 23.0], [29.25, 23.5], [29.47, 24.03], [30.0, 24.25], [30.53, 24.03], [30.68, 23.68], [30.75, 23.65], [31.0, 23.75], [31.25, 23.65], [31.5, 23.75], [32.0, 23.54], [32.5, 23.75], [33.03, 23.53], [33.18, 23.18], [33.53, 23.03], [33.75, 22.5], [33.53, 21.97], [33.18, 21.82], [33.04, 21.5], [33.25, 21.0], [33.15, 20.75], [33.25, 20.5], [33.15, 20.25], [33.25, 20.0], [33.03, 19.47], [32.68, 19.32], [32.53, 18.97], [32.0, 18.75], [31.5, 18.96], [31.0, 18.75], [30.75, 18.85], [30.5, 18.75], [30.25, 18.85], [30.18, 18.82], [30.03, 18.47], [29.5, 18.25], [29.25, 18.35], [29.0, 18.25], [28.75, 18.35], [28.5, 18.25], [27.97, 18.47], [27.75, 19.0], [27.97, 19.53], [28.32, 19.68], [28.47, 20.03], [28.82, 20.18]]]]}, "2012-08-13T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[28.82, 20.18], [28.97, 20.53], [29.32, 20.68], [29.35, 20.75], [29.25, 21.0], [29.46, 21.5], [29.25, 22.0], [29.35, 22.25], [29.25, 22.5], [29.47, 23.03], [29.82, 23.18], [29.97, 23.53], [30.5, 23.75], [30.75, 23.65], [31.0, 23.75], [31.25, 23.65], [31.5, 23.75], [32.03, 23.53], [32.18, 23.18], [32.53, 23.03], [32.75, 22.5], [32.65, 22.25], [32.75, 22.0], [32.65, 21.75], [32.68, 21.68], [33.03, 21.53], [33.25, 21.0], [33.15, 20.75], [33.25, 20.5], [33.15, 20.25], [33.25, 20.0], [33.03, 19.47], [32.68, 19.32], [32.53, 18.97], [32.0, 18.75], [31.5, 18.96], [31.0, 18.75], [30.75, 18.85], [30.5, 18.75], [30.25, 18.85], [30.18, 18.82], [30.03, 18.47], [29.5, 18.25], [29.25, 18.35], [29.0, 18.25], [28.75, 18.35], [28.5, 18.25], [27.97, 18.47], [27.75, 19.0], [27.97, 19.53], [28.32, 19.68], [28.47, 20.03], [28.82, 20.18]]]]}, "2012-08-14T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[28.82, 20.18], [28.97, 20.53], [29.32, 20.68], [29.35, 20.75], [29.25, 21.0], [29.47, 21.53], [30.0, 21.75], [30.25, 21.65], [30.5, 21.75], [30.75, 21.65], [30.82, 21.68], [30.85, 21.75], [30.75, 22.0], [30.97, 22.53], [31.32, 22.68], [31.47, 23.03], [32.0, 23.25], [32.53, 23.03], [32.75, 22.5], [32.65, 22.25], [32.75, 22.0], [32.65, 21.75], [32.68, 21.68], [33.03, 21.53], [33.25, 21.0], [33.15, 20.75], [33.25, 20.5], [33.15, 20.25], [33.25, 20.0], [33.03, 19.47], [32.68, 19.32], [32.53, 18.97], [32.0, 18.75], [31.5, 18.96], [31.0, 18.75], [30.75, 18.85], [30.5, 18.75], [30.25, 18.85], [30.18, 18.82], [30.03, 18.47], [29.5, 18.25], [29.25, 18.35], [29.0, 18.25], [28.75, 18.35], [28.5, 18.25], [27.97, 18.47], [27.75, 19.0], [27.97, 19.53], [28.32, 19.68], [28.47, 20.03], [28.82, 20.18]]]]}}}, "max_amp": {"name": "Maximum anomaly amplitude", "description": "Maximum t2m anomaly recorded over entire duration", "value": 3.4584825119685547}, "mean_amp": {"name": "Mean anomaly amplitude", "description": "Mean t2m anomaly over entire duration", "value": 2.417823761443053}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [36.669074162255356, 36.74212539088364, 37.19574496093503, 37.39026525433741, 36.96082850199076]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [37.15746071332319, 37.615770539832965, 38.45447585394459, 39.313285403256316, 38.65034616203445]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [2.2064825610148504, 2.3552831424123193, 2.4898179179108535, 2.6585943087733552, 2.105905962510754]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [2.3362082489034606, 2.826424334187095, 3.4584825119685547, 3.216959972821087, 2.4618069830735863]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.4639129478190902, 1.5415732190801386, 1.6866477039931835, 1.7701550176250032, 1.4688024907220416]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [1.5866954355965215, 1.9210398476463608, 2.4047270856016527, 2.3011637598259886, 1.813798160601824]}}