{"version_information": {"version": "det_AHW_tail10.0_v1.1", "compiled_date": "2026-07-16 09:05:27.800583", "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": "2016-May-02_to_2016-May-05_48.0_-17.0"}, "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": 2016050001119}, "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": "May 02 2016"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "May 05 2016"}, "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": 53650.899841944396}, "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": ["Madagascar"]}, "IPCC_regions": {"name": "IPCC regions", "description": "List of all IPCC regions affected", "value": ["Madagascar"]}, "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": ["Indian Ocean"]}, "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": -17.0}, "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": 48.0}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "48.0\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 47.75}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 50.75}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": -17.25}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": -13.25}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2016-05-02T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[47.97, -15.47], [48.5, -15.25], [49.03, -15.47], [49.18, -15.82], [49.53, -15.97], [49.75, -16.5], [49.53, -17.03], [49.0, -17.25], [48.75, -17.15], [48.68, -17.18], [48.53, -17.53], [48.0, -17.75], [47.47, -17.53], [47.25, -17.0], [47.47, -16.47], [47.82, -16.32], [47.85, -16.25], [47.75, -16.0], [47.97, -15.47]]], [[[48.47, -15.03], [48.25, -14.5], [48.47, -13.97], [49.0, -13.75], [49.53, -13.97], [49.75, -14.5], [49.53, -15.03], [49.0, -15.25], [48.47, -15.03]]]]}, "2016-05-03T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[47.75, -16.0], [47.85, -15.75], [47.75, -15.5], [47.96, -15.0], [47.75, -14.5], [47.97, -13.97], [48.5, -13.75], [48.75, -13.85], [48.82, -13.82], [48.85, -13.75], [48.75, -13.5], [48.97, -12.97], [49.5, -12.75], [50.03, -12.97], [50.18, -13.32], [50.53, -13.47], [50.75, -14.0], [50.63, -14.3], [51.03, -14.47], [51.25, -15.0], [51.03, -15.53], [50.68, -15.68], [50.53, -16.03], [50.18, -16.18], [50.15, -16.25], [50.25, -16.5], [50.03, -17.03], [49.5, -17.25], [49.25, -17.15], [49.0, -17.25], [48.75, -17.15], [48.68, -17.18], [48.53, -17.53], [48.0, -17.75], [47.47, -17.53], [47.25, -17.0], [47.47, -16.47], [47.82, -16.32], [47.85, -16.25], [47.75, -16.0]]]]}, "2016-05-04T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[47.75, -16.0], [47.85, -15.75], [47.75, -15.5], [47.96, -15.0], [47.75, -14.5], [47.97, -13.97], [48.5, -13.75], [48.75, -13.85], [48.82, -13.82], [48.85, -13.75], [48.75, -13.5], [48.97, -12.97], [49.5, -12.75], [50.03, -12.97], [50.18, -13.32], [50.53, -13.47], [50.75, -14.0], [50.63, -14.3], [51.03, -14.47], [51.25, -15.0], [51.03, -15.53], [50.68, -15.68], [50.53, -16.03], [50.18, -16.18], [50.15, -16.25], [50.25, -16.5], [50.03, -17.03], [49.5, -17.25], [49.25, -17.15], [49.0, -17.25], [48.75, -17.15], [48.68, -17.18], [48.53, -17.53], [48.0, -17.75], [47.47, -17.53], [47.25, -17.0], [47.47, -16.47], [47.82, -16.32], [47.85, -16.25], [47.75, -16.0]]]]}, "2016-05-05T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[47.75, -16.0], [47.85, -15.75], [47.75, -15.5], [47.96, -15.0], [47.75, -14.5], [47.97, -13.97], [48.5, -13.75], [48.75, -13.85], [48.82, -13.82], [48.85, -13.75], [48.75, -13.5], [48.97, -12.97], [49.5, -12.75], [50.03, -12.97], [50.18, -13.32], [50.53, -13.47], [50.75, -14.0], [50.63, -14.3], [51.03, -14.47], [51.25, -15.0], [51.03, -15.53], [50.68, -15.68], [50.53, -16.03], [50.18, -16.18], [50.15, -16.25], [50.25, -16.5], [50.03, -17.03], [49.5, -17.25], [49.25, -17.15], [49.0, -17.25], [48.75, -17.15], [48.68, -17.18], [48.53, -17.53], [48.0, -17.75], [47.47, -17.53], [47.25, -17.0], [47.47, -16.47], [47.82, -16.32], [47.85, -16.25], [47.75, -16.0]]]]}}}, "max_amp": {"name": "Maximum anomaly amplitude", "description": "Maximum t2m anomaly recorded over entire duration", "value": 2.572755223329864}, "mean_amp": {"name": "Mean anomaly amplitude", "description": "Mean t2m anomaly over entire duration", "value": 1.629906973519897}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [22.631043517120872, 23.27439863482209, 23.524169911396882, 23.56143513378663]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [25.30340143506362, 27.180109404716234, 26.57206680822685, 26.776518851235835]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [1.8376572150348693, 1.402652478376704, 1.6851722014989055, 1.7441878402632558]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [2.2295186512114924, 2.080072736407601, 2.572755223329864, 2.1461510350512754]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.636605495981862, 1.542324412312667, 1.855760093784105, 1.972470532469171]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [1.9101682593195652, 2.191764582403833, 2.3152821477132406, 2.5332693901409313]}}