{"version_information": {"version": "det_AHW_tail10.0_v1.1", "compiled_date": "2026-07-16 08:57:09.255011", "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": "2014-Aug-12_to_2014-Aug-15_5.0_32.5"}, "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": 2014080002261}, "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 12 2014"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "August 15 2014"}, "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": 57070.9649915706}, "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": ["Algeria"]}, "IPCC_regions": {"name": "IPCC regions", "description": "List of all IPCC regions affected", "value": ["Mediterranean"]}, "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": 32.5}, "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": 5.0}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "5.0\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 3.75}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 7.75}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": 31.25}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": 34.75}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2014-08-12T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[3.47, 33.03], [4.0, 33.25], [4.25, 33.15], [4.32, 33.18], [4.47, 33.53], [5.0, 33.75], [5.25, 33.65], [5.5, 33.75], [5.75, 33.65], [5.82, 33.68], [5.85, 33.75], [5.75, 34.0], [5.85, 34.25], [5.75, 34.5], [5.97, 35.03], [6.5, 35.25], [6.75, 35.15], [7.0, 35.25], [7.53, 35.03], [7.75, 34.5], [7.65, 34.25], [7.68, 34.18], [8.03, 34.03], [8.25, 33.5], [8.03, 32.97], [7.68, 32.82], [7.53, 32.47], [7.0, 32.25], [6.75, 32.35], [6.68, 32.32], [6.53, 31.97], [6.0, 31.75], [5.75, 31.85], [5.5, 31.75], [5.25, 31.85], [5.18, 31.82], [5.03, 31.47], [4.5, 31.25], [4.25, 31.35], [4.0, 31.25], [3.47, 31.47], [3.25, 32.0], [3.35, 32.25], [3.25, 32.5], [3.47, 33.03]]]]}, "2014-08-13T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[3.47, 33.03], [4.0, 33.25], [4.25, 33.15], [4.32, 33.18], [4.47, 33.53], [5.0, 33.75], [5.25, 33.65], [5.5, 33.75], [5.75, 33.65], [5.82, 33.68], [5.85, 33.75], [5.75, 34.0], [5.85, 34.25], [5.75, 34.5], [5.97, 35.03], [6.5, 35.25], [6.75, 35.15], [7.0, 35.25], [7.53, 35.03], [7.75, 34.5], [7.65, 34.25], [7.68, 34.18], [8.03, 34.03], [8.25, 33.5], [8.03, 32.97], [7.68, 32.82], [7.53, 32.47], [7.0, 32.25], [6.75, 32.35], [6.68, 32.32], [6.53, 31.97], [6.18, 31.82], [6.03, 31.47], [5.5, 31.25], [5.25, 31.35], [5.18, 31.32], [5.03, 30.97], [4.5, 30.75], [3.97, 30.97], [3.82, 31.32], [3.47, 31.47], [3.25, 32.0], [3.35, 32.25], [3.25, 32.5], [3.47, 33.03]]]]}, "2014-08-14T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[3.47, 33.03], [4.0, 33.25], [4.25, 33.15], [4.32, 33.18], [4.47, 33.53], [5.0, 33.75], [5.25, 33.65], [5.5, 33.75], [5.75, 33.65], [5.82, 33.68], [5.85, 33.75], [5.75, 34.0], [5.85, 34.25], [5.75, 34.5], [5.97, 35.03], [6.5, 35.25], [6.75, 35.15], [7.0, 35.25], [7.53, 35.03], [7.75, 34.5], [7.65, 34.25], [7.68, 34.18], [8.03, 34.03], [8.25, 33.5], [8.03, 32.97], [7.68, 32.82], [7.53, 32.47], [7.0, 32.25], [6.75, 32.35], [6.68, 32.32], [6.53, 31.97], [6.18, 31.82], [6.03, 31.47], [5.5, 31.25], [5.25, 31.35], [5.18, 31.32], [5.03, 30.97], [4.5, 30.75], [3.97, 30.97], [3.82, 31.32], [3.47, 31.47], [3.25, 32.0], [3.35, 32.25], [3.25, 32.5], [3.47, 33.03]]]]}, "2014-08-15T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[3.47, 33.03], [4.0, 33.25], [4.25, 33.15], [4.5, 33.25], [4.75, 33.15], [5.0, 33.25], [5.25, 33.15], [5.5, 33.25], [5.75, 33.15], [6.0, 33.25], [6.53, 33.03], [6.75, 32.5], [6.53, 31.97], [6.18, 31.82], [6.03, 31.47], [5.5, 31.25], [5.25, 31.35], [5.18, 31.32], [5.03, 30.97], [4.5, 30.75], [3.97, 30.97], [3.82, 31.32], [3.47, 31.47], [3.25, 32.0], [3.35, 32.25], [3.25, 32.5], [3.47, 33.03]]]]}}}, "max_amp": {"name": "Maximum anomaly amplitude", "description": "Maximum t2m anomaly recorded over entire duration", "value": 4.825458593610676}, "mean_amp": {"name": "Mean anomaly amplitude", "description": "Mean t2m anomaly over entire duration", "value": 3.626625438629827}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [38.1671544161116, 38.35898978802436, 38.28920828997167, 38.245721058906724]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [39.08306998110055, 38.853837723679305, 39.384691372444365, 38.72264240590812]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [3.6533003585974604, 3.7170782052044107, 3.6762911410483397, 3.267682458906512]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [4.417866740192608, 4.825458593610676, 4.761950089941763, 3.589283271358795]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.4858758028628543, 1.5733074127459536, 1.6168133016766972, 1.477396752376342]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [1.7841821498511776, 1.9946728946592784, 2.028453195992971, 1.6314158053363834]}}