{"version_information": {"version": "det_AHW_tail10.0_v1.1", "compiled_date": "2026-07-16 08:54:14.086990", "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": "2013-Aug-05_to_2013-Aug-08_8.0_39.0"}, "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": 2013080001952}, "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 05 2013"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "August 08 2013"}, "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": 67960.92430570323}, "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": ["Italy", "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", "Europe"]}, "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": 39.0}, "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": 8.0}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "8.0\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 6.75}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 9.75}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": 36.75}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": 40.25}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2013-08-05T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[6.35, 37.75], [6.25, 38.0], [6.47, 38.53], [6.82, 38.68], [6.85, 38.75], [6.75, 39.0], [6.97, 39.53], [7.32, 39.68], [7.47, 40.03], [8.0, 40.25], [8.53, 40.03], [8.75, 39.5], [8.65, 39.25], [8.68, 39.18], [8.75, 39.15], [9.0, 39.25], [9.25, 39.15], [9.5, 39.25], [10.03, 39.03], [10.25, 38.5], [10.03, 37.97], [9.5, 37.75], [9.25, 37.85], [9.18, 37.82], [9.15, 37.75], [9.25, 37.5], [9.15, 37.25], [9.25, 37.0], [9.03, 36.47], [8.5, 36.25], [8.25, 36.35], [8.0, 36.25], [7.5, 36.46], [7.0, 36.25], [6.47, 36.47], [6.25, 37.0], [6.35, 37.25], [6.25, 37.5], [6.35, 37.75]]]]}, "2013-08-06T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[6.35, 37.75], [6.25, 38.0], [6.47, 38.53], [6.82, 38.68], [6.85, 38.75], [6.75, 39.0], [6.85, 39.25], [6.75, 39.5], [6.97, 40.03], [7.32, 40.18], [7.47, 40.53], [8.0, 40.75], [8.25, 40.65], [8.5, 40.75], [9.03, 40.53], [9.25, 40.0], [9.15, 39.75], [9.25, 39.5], [9.15, 39.25], [9.18, 39.18], [9.25, 39.15], [9.5, 39.25], [10.03, 39.03], [10.25, 38.5], [10.04, 38.0], [10.25, 37.5], [10.03, 36.97], [9.68, 36.82], [9.53, 36.47], [9.0, 36.25], [8.75, 36.35], [8.5, 36.25], [8.25, 36.35], [8.0, 36.25], [7.5, 36.46], [7.0, 36.25], [6.47, 36.47], [6.25, 37.0], [6.35, 37.25], [6.25, 37.5], [6.35, 37.75]]]]}, "2013-08-07T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[6.35, 37.75], [6.25, 38.0], [6.47, 38.53], [6.82, 38.68], [6.85, 38.75], [6.75, 39.0], [6.85, 39.25], [6.75, 39.5], [6.97, 40.03], [7.32, 40.18], [7.47, 40.53], [8.0, 40.75], [8.25, 40.65], [8.5, 40.75], [9.03, 40.53], [9.25, 40.0], [9.15, 39.75], [9.25, 39.5], [9.15, 39.25], [9.18, 39.18], [9.25, 39.15], [9.5, 39.25], [10.03, 39.03], [10.25, 38.5], [10.04, 38.0], [10.25, 37.5], [10.03, 36.97], [9.68, 36.82], [9.53, 36.47], [9.0, 36.25], [8.75, 36.35], [8.5, 36.25], [8.25, 36.35], [8.0, 36.25], [7.5, 36.46], [7.0, 36.25], [6.47, 36.47], [6.25, 37.0], [6.35, 37.25], [6.25, 37.5], [6.35, 37.75]]]]}, "2013-08-08T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[6.85, 39.25], [6.75, 39.5], [6.97, 40.03], [7.32, 40.18], [7.47, 40.53], [8.0, 40.75], [8.25, 40.65], [8.5, 40.75], [9.03, 40.53], [9.25, 40.0], [9.15, 39.75], [9.25, 39.5], [9.15, 39.25], [9.18, 39.18], [9.25, 39.15], [9.5, 39.25], [10.03, 39.03], [10.25, 38.5], [10.04, 38.0], [10.25, 37.5], [10.03, 36.97], [9.68, 36.82], [9.53, 36.47], [9.0, 36.25], [8.75, 36.35], [8.5, 36.25], [8.25, 36.35], [8.0, 36.25], [7.47, 36.47], [7.25, 37.0], [7.35, 37.25], [7.25, 37.5], [7.35, 37.75], [7.32, 37.82], [6.97, 37.97], [6.75, 38.5], [6.85, 38.75], [6.75, 39.0], [6.85, 39.25]]]]}}}, "max_amp": {"name": "Maximum anomaly amplitude", "description": "Maximum t2m anomaly recorded over entire duration", "value": 5.861221107723736}, "mean_amp": {"name": "Mean anomaly amplitude", "description": "Mean t2m anomaly over entire duration", "value": 2.7629312044469176}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [27.10639590188083, 27.927200315145058, 29.143366110172508, 28.141344959028118]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [27.85689851185373, 30.510280803914213, 32.41233107724423, 29.82928869561107]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [1.7302856145404977, 2.48619843005676, 3.717767958880241, 2.7904683682301057]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [2.405378947125257, 3.8961133468027924, 5.861221107723736, 3.560526299998344]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.5041019678817922, 1.9197151299230935, 2.7313044331222796, 1.9521211345011609]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [1.820616122287187, 2.366051735848667, 3.3342384273361176, 2.3536497813368977]}}