{"version_information": {"version": "det_AHW_tail10.0_v1.1", "compiled_date": "2026-07-16 09:02:37.119243", "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": "2015-Mar-21_to_2015-Mar-23_354.0_13.0"}, "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": 2015030002138}, "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 21 2015"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "March 23 2015"}, "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": 60246.22828959115}, "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": ["Mali"]}, "IPCC_regions": {"name": "IPCC regions", "description": "List of all IPCC regions affected", "value": ["Western-Africa"]}, "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": 13.0}, "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": 354.0}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "354.0\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 351.75}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 355.75}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": 11.75}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": 14.25}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2015-03-21T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-7.68, 13.18], [-7.65, 13.25], [-7.75, 13.5], [-7.53, 14.03], [-7.0, 14.25], [-6.75, 14.15], [-6.68, 14.18], [-6.53, 14.53], [-6.0, 14.75], [-5.47, 14.53], [-5.32, 14.18], [-5.25, 14.15], [-5.0, 14.25], [-4.75, 14.15], [-4.5, 14.25], [-3.97, 14.03], [-3.75, 13.5], [-3.85, 13.25], [-3.75, 13.0], [-3.97, 12.47], [-4.5, 12.25], [-4.75, 12.35], [-4.82, 12.32], [-4.97, 11.97], [-5.5, 11.75], [-5.75, 11.85], [-5.82, 11.82], [-5.97, 11.47], [-6.5, 11.25], [-7.0, 11.46], [-7.5, 11.25], [-7.75, 11.35], [-8.0, 11.25], [-8.53, 11.47], [-8.75, 12.0], [-8.53, 12.53], [-8.18, 12.68], [-8.03, 13.03], [-7.68, 13.18]]]]}, "2015-03-22T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-7.68, 13.18], [-7.65, 13.25], [-7.75, 13.5], [-7.53, 14.03], [-7.0, 14.25], [-6.75, 14.15], [-6.68, 14.18], [-6.53, 14.53], [-6.0, 14.75], [-5.47, 14.53], [-5.32, 14.18], [-5.25, 14.15], [-5.0, 14.25], [-4.75, 14.15], [-4.5, 14.25], [-3.97, 14.03], [-3.75, 13.5], [-3.85, 13.25], [-3.75, 13.0], [-3.97, 12.47], [-4.5, 12.25], [-4.75, 12.35], [-4.82, 12.32], [-4.97, 11.97], [-5.5, 11.75], [-5.75, 11.85], [-5.82, 11.82], [-5.97, 11.47], [-6.5, 11.25], [-7.0, 11.46], [-7.5, 11.25], [-7.75, 11.35], [-8.0, 11.25], [-8.53, 11.47], [-8.75, 12.0], [-8.53, 12.53], [-8.18, 12.68], [-8.03, 13.03], [-7.68, 13.18]]]]}, "2015-03-23T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-7.68, 13.18], [-7.65, 13.25], [-7.75, 13.5], [-7.53, 14.03], [-7.0, 14.25], [-6.75, 14.15], [-6.68, 14.18], [-6.53, 14.53], [-6.0, 14.75], [-5.47, 14.53], [-5.32, 14.18], [-5.25, 14.15], [-5.0, 14.25], [-4.75, 14.15], [-4.5, 14.25], [-3.97, 14.03], [-3.75, 13.5], [-3.85, 13.25], [-3.75, 13.0], [-3.97, 12.47], [-4.5, 12.25], [-4.75, 12.35], [-4.82, 12.32], [-4.97, 11.97], [-5.5, 11.75], [-5.75, 11.85], [-5.82, 11.82], [-5.97, 11.47], [-6.5, 11.25], [-7.0, 11.46], [-7.5, 11.25], [-7.75, 11.35], [-8.0, 11.25], [-8.53, 11.47], [-8.75, 12.0], [-8.53, 12.53], [-8.18, 12.68], [-8.03, 13.03], [-7.68, 13.18]]]]}}}, "max_amp": {"name": "Maximum anomaly amplitude", "description": "Maximum t2m anomaly recorded over entire duration", "value": 3.675501787417602}, "mean_amp": {"name": "Mean anomaly amplitude", "description": "Mean t2m anomaly over entire duration", "value": 2.37466841476286}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [33.6339180058672, 34.44232030839021, 33.733992165075506]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [34.60613464010402, 35.275980754394425, 34.256854008412404]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [2.1333850818405837, 2.8691500831471983, 2.121470079300798]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [2.738200229831307, 3.675501787417602, 2.8743918359321583]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.3901631999996205, 1.8747970018107658, 1.3567603617594133]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [1.6813423884638643, 2.2790323545827555, 1.8409525642015079]}}