{"version_information": {"version": "det_AHW_tail10.0_v1.1", "compiled_date": "2026-07-16 08:47:01.617860", "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": "2011-Mar-13_to_2011-Mar-15_9.0_37.0"}, "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": 2011030001995}, "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": "March 13 2011"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "March 15 2011"}, "duration": {"name": "Duration", "description": "Time elapsed (days) from the start date to the end date", "value": 3}, "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": 61189.71216152147}, "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": ["Tunisia"]}, "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": ["Mediterranean Sea - Western Basin"]}, "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": 37.0}, "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": 9.0}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "9.0\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 5.75}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 10.25}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": 36.25}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": 38.75}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2011-03-13T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[5.47, 36.97], [5.25, 37.5], [5.47, 38.03], [6.0, 38.25], [6.25, 38.15], [6.32, 38.18], [6.47, 38.53], [7.0, 38.75], [7.25, 38.65], [7.32, 38.68], [7.47, 39.03], [8.0, 39.25], [8.25, 39.15], [8.5, 39.25], [8.75, 39.15], [9.0, 39.25], [9.25, 39.15], [9.5, 39.25], [10.03, 39.03], [10.18, 38.68], [10.53, 38.53], [10.75, 38.0], [10.54, 37.5], [10.75, 37.0], [10.53, 36.47], [10.18, 36.32], [10.03, 35.97], [9.5, 35.75], [9.25, 35.85], [9.0, 35.75], [8.47, 35.97], [8.3, 36.38], [8.0, 36.25], [7.47, 36.47], [7.32, 36.82], [7.25, 36.85], [7.0, 36.75], [6.75, 36.85], [6.5, 36.75], [6.25, 36.85], [6.0, 36.75], [5.47, 36.97]]]]}, "2011-03-14T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[5.47, 36.97], [5.25, 37.5], [5.47, 38.03], [6.0, 38.25], [6.25, 38.15], [6.32, 38.18], [6.47, 38.53], [7.0, 38.75], [7.25, 38.65], [7.32, 38.68], [7.47, 39.03], [8.0, 39.25], [8.25, 39.15], [8.5, 39.25], [8.75, 39.15], [9.0, 39.25], [9.25, 39.15], [9.5, 39.25], [10.03, 39.03], [10.18, 38.68], [10.53, 38.53], [10.75, 38.0], [10.54, 37.5], [10.75, 37.0], [10.53, 36.47], [10.18, 36.32], [10.03, 35.97], [9.5, 35.75], [9.25, 35.85], [9.0, 35.75], [8.47, 35.97], [8.3, 36.38], [8.0, 36.25], [7.47, 36.47], [7.32, 36.82], [7.25, 36.85], [7.0, 36.75], [6.75, 36.85], [6.5, 36.75], [6.25, 36.85], [6.0, 36.75], [5.47, 36.97]]]]}, "2011-03-15T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[5.47, 36.97], [5.25, 37.5], [5.47, 38.03], [6.0, 38.25], [6.25, 38.15], [6.32, 38.18], [6.47, 38.53], [7.0, 38.75], [7.25, 38.65], [7.32, 38.68], [7.47, 39.03], [8.0, 39.25], [8.25, 39.15], [8.5, 39.25], [8.75, 39.15], [9.0, 39.25], [9.25, 39.15], [9.5, 39.25], [10.03, 39.03], [10.18, 38.68], [10.53, 38.53], [10.75, 38.0], [10.54, 37.5], [10.75, 37.0], [10.53, 36.47], [10.18, 36.32], [10.03, 35.97], [9.5, 35.75], [9.25, 35.85], [9.0, 35.75], [8.47, 35.97], [8.3, 36.38], [8.0, 36.25], [7.47, 36.47], [7.32, 36.82], [7.25, 36.85], [7.0, 36.75], [6.75, 36.85], [6.5, 36.75], [6.25, 36.85], [6.0, 36.75], [5.47, 36.97]]]]}}}, "max_amp": {"name": "Maximum anomaly amplitude", "description": "Maximum t2m anomaly recorded over entire duration", "value": 6.338253381960385}, "mean_amp": {"name": "Mean anomaly amplitude", "description": "Mean t2m anomaly over entire duration", "value": 2.429406426029183}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [15.326418771876206, 15.867985546457533, 16.955091362253143]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [16.175479946943994, 17.59440416631162, 19.07498938733403]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [1.8020909542766117, 2.242765189086931, 3.2433631347240066]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [3.03041356681058, 4.541339723104443, 6.338253381960385]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.274128128302069, 1.6339276280587685, 2.4331031280301487]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [1.4442491932418566, 2.5330158232104627, 3.2444463686821683]}}