{"version_information": {"version": "det_AHW_tail10.0_v1.1", "compiled_date": "2026-07-16 09:07:18.521088", "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": "2017-Feb-11_to_2017-Feb-13_0.5_36.0"}, "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": 2017020001580}, "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": "February 11 2017"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "February 13 2017"}, "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": 61938.289841296864}, "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": ["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": 36.0}, "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": 0.5}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "0.5\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": -0.25}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 3.75}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": 35.25}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": 37.75}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2017-02-11T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-0.65, 36.25], [-0.75, 36.5], [-0.65, 36.75], [-0.75, 37.0], [-0.65, 37.25], [-0.75, 37.5], [-0.53, 38.03], [0.0, 38.25], [0.25, 38.15], [0.5, 38.25], [0.75, 38.15], [1.0, 38.25], [1.25, 38.15], [1.5, 38.25], [1.75, 38.15], [2.0, 38.25], [2.25, 38.15], [2.5, 38.25], [2.75, 38.15], [3.0, 38.25], [3.53, 38.03], [3.68, 37.68], [4.03, 37.53], [4.25, 37.0], [4.03, 36.47], [3.5, 36.25], [3.25, 36.35], [3.0, 36.25], [2.5, 36.46], [2.18, 36.32], [2.15, 36.25], [2.25, 36.0], [2.03, 35.47], [1.68, 35.32], [1.53, 34.97], [1.0, 34.75], [0.75, 34.85], [0.5, 34.75], [0.25, 34.85], [0.0, 34.75], [-0.53, 34.97], [-0.75, 35.5], [-0.65, 35.75], [-0.75, 36.0], [-0.65, 36.25]]]]}, "2017-02-12T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-0.65, 36.25], [-0.75, 36.5], [-0.65, 36.75], [-0.75, 37.0], [-0.65, 37.25], [-0.75, 37.5], [-0.53, 38.03], [0.0, 38.25], [0.25, 38.15], [0.5, 38.25], [0.75, 38.15], [1.0, 38.25], [1.25, 38.15], [1.5, 38.25], [1.75, 38.15], [2.0, 38.25], [2.25, 38.15], [2.5, 38.25], [2.75, 38.15], [3.0, 38.25], [3.53, 38.03], [3.68, 37.68], [4.03, 37.53], [4.25, 37.0], [4.03, 36.47], [3.5, 36.25], [3.25, 36.35], [3.0, 36.25], [2.5, 36.46], [2.18, 36.32], [2.15, 36.25], [2.25, 36.0], [2.03, 35.47], [1.68, 35.32], [1.53, 34.97], [1.0, 34.75], [0.75, 34.85], [0.5, 34.75], [0.25, 34.85], [0.0, 34.75], [-0.53, 34.97], [-0.75, 35.5], [-0.65, 35.75], [-0.75, 36.0], [-0.65, 36.25]]]]}, "2017-02-13T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-0.65, 36.25], [-0.75, 36.5], [-0.65, 36.75], [-0.75, 37.0], [-0.65, 37.25], [-0.75, 37.5], [-0.53, 38.03], [0.0, 38.25], [0.25, 38.15], [0.5, 38.25], [0.75, 38.15], [1.0, 38.25], [1.25, 38.15], [1.5, 38.25], [1.75, 38.15], [2.0, 38.25], [2.25, 38.15], [2.5, 38.25], [2.75, 38.15], [3.0, 38.25], [3.53, 38.03], [3.68, 37.68], [4.03, 37.53], [4.25, 37.0], [4.03, 36.47], [3.5, 36.25], [3.25, 36.35], [3.0, 36.25], [2.5, 36.46], [2.18, 36.32], [2.15, 36.25], [2.25, 36.0], [2.03, 35.47], [1.68, 35.32], [1.53, 34.97], [1.0, 34.75], [0.75, 34.85], [0.5, 34.75], [0.25, 34.85], [0.0, 34.75], [-0.53, 34.97], [-0.75, 35.5], [-0.65, 35.75], [-0.75, 36.0], [-0.65, 36.25]]]]}}}, "max_amp": {"name": "Maximum anomaly amplitude", "description": "Maximum t2m anomaly recorded over entire duration", "value": 7.83994849572349}, "mean_amp": {"name": "Mean anomaly amplitude", "description": "Mean t2m anomaly over entire duration", "value": 3.314395811446723}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [15.563428115148156, 16.788901878494585, 16.04505171746206]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [16.543035338840525, 19.396919301550327, 16.782950287317703]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [2.7718053914907816, 3.968670316611142, 3.2027117262382445]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [4.9144159029305, 7.83994849572349, 4.726257516955741]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.4387692296726877, 2.00554392466687, 1.6570589375548823]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [1.8399265020813813, 2.9807370587642485, 1.939030153081374]}}