{"version_information": {"version": "det_AHW_tail10.0_v1.1", "compiled_date": "2026-07-16 08:51:52.784449", "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-Nov-09_to_2012-Nov-12_35.5_16.5"}, "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": 2012110001747}, "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": "November 09 2012"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "November 12 2012"}, "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": 56190.38191142731}, "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": ["Eritrea", "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": 16.5}, "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": 35.5}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "35.5\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 34.75}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 37.25}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": 15.75}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": 18.75}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2012-11-09T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[34.25, 16.5], [34.47, 17.03], [35.0, 17.25], [35.25, 17.15], [35.32, 17.18], [35.47, 17.53], [36.0, 17.75], [36.5, 17.54], [37.0, 17.75], [37.53, 17.53], [37.75, 17.0], [37.65, 16.75], [37.75, 16.5], [37.65, 16.25], [37.75, 16.0], [37.53, 15.47], [37.0, 15.25], [36.75, 15.35], [36.5, 15.25], [36.25, 15.35], [36.0, 15.25], [35.75, 15.35], [35.5, 15.25], [34.97, 15.47], [34.82, 15.82], [34.47, 15.97], [34.25, 16.5]]]]}, "2012-11-10T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[34.47, 17.03], [34.82, 17.18], [34.85, 17.25], [34.82, 17.32], [34.47, 17.47], [34.25, 18.0], [34.47, 18.53], [34.82, 18.68], [34.97, 19.03], [35.5, 19.25], [36.03, 19.03], [36.18, 18.68], [36.53, 18.53], [36.75, 18.0], [36.65, 17.75], [36.7, 17.63], [37.0, 17.75], [37.53, 17.53], [37.75, 17.0], [37.65, 16.75], [37.75, 16.5], [37.65, 16.25], [37.75, 16.0], [37.53, 15.47], [37.0, 15.25], [36.75, 15.35], [36.5, 15.25], [36.25, 15.35], [36.0, 15.25], [35.75, 15.35], [35.5, 15.25], [35.25, 15.35], [35.0, 15.25], [34.47, 15.47], [34.25, 16.0], [34.35, 16.25], [34.25, 16.5], [34.47, 17.03]]]]}, "2012-11-11T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[34.47, 17.03], [34.82, 17.18], [34.85, 17.25], [34.82, 17.32], [34.47, 17.47], [34.25, 18.0], [34.47, 18.53], [34.82, 18.68], [34.97, 19.03], [35.5, 19.25], [36.03, 19.03], [36.18, 18.68], [36.53, 18.53], [36.75, 18.0], [36.65, 17.75], [36.7, 17.63], [37.0, 17.75], [37.53, 17.53], [37.75, 17.0], [37.65, 16.75], [37.75, 16.5], [37.65, 16.25], [37.75, 16.0], [37.53, 15.47], [37.0, 15.25], [36.75, 15.35], [36.5, 15.25], [36.25, 15.35], [36.0, 15.25], [35.75, 15.35], [35.5, 15.25], [35.25, 15.35], [35.0, 15.25], [34.47, 15.47], [34.25, 16.0], [34.35, 16.25], [34.25, 16.5], [34.47, 17.03]]]]}, "2012-11-12T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[34.47, 17.03], [34.82, 17.18], [34.85, 17.25], [34.82, 17.32], [34.47, 17.47], [34.25, 18.0], [34.47, 18.53], [34.82, 18.68], [34.97, 19.03], [35.5, 19.25], [36.03, 19.03], [36.18, 18.68], [36.53, 18.53], [36.75, 18.0], [36.65, 17.75], [36.75, 17.5], [36.65, 17.25], [36.75, 17.0], [36.65, 16.75], [36.75, 16.5], [36.53, 15.97], [36.18, 15.82], [36.03, 15.47], [35.5, 15.25], [35.25, 15.35], [35.0, 15.25], [34.47, 15.47], [34.25, 16.0], [34.35, 16.25], [34.25, 16.5], [34.47, 17.03]]]]}}}, "max_amp": {"name": "Maximum anomaly amplitude", "description": "Maximum t2m anomaly recorded over entire duration", "value": 2.767340443038279}, "mean_amp": {"name": "Mean anomaly amplitude", "description": "Mean t2m anomaly over entire duration", "value": 2.0052282639235686}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [31.228403097265982, 31.021536675744244, 31.319038212674457, 31.013746077277858]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [32.227082325359504, 32.38576062941593, 32.74365596919773, 32.453718762116466]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [1.8755346059607623, 1.8632433358148972, 2.264948393842731, 1.9428945257075332]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [2.1253321639973137, 2.303637348165637, 2.767340443038279, 2.4999396825189137]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.6079729704329628, 1.6085575062248747, 1.9736346259688484, 1.6078589152127978]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [1.8590544393597497, 2.139291230609371, 2.3897193094959195, 1.9518832204211565]}}