{"version_information": {"version": "det_AHW_tail10.0_v1.1", "compiled_date": "2026-07-16 08:53:35.693027", "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-Jun-16_to_2013-Jun-19_38.0_-15.0"}, "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": 2013060000678}, "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": "June 16 2013"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "June 19 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": "Cold spell"}, "area": {"name": "Area", "description": "The area (in square meters) encompassing all grid points under the influence of an event during its lifetime.", "value": 50769.47143113169}, "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": ["Mozambique"]}, "IPCC_regions": {"name": "IPCC regions", "description": "List of all IPCC regions affected", "value": ["E.Southern-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": -15.0}, "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": 38.0}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "38.0\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 37.25}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 40.25}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": -16.25}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": -13.75}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2013-06-16T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[37.82, -14.32], [37.97, -13.97], [38.5, -13.75], [38.75, -13.85], [39.0, -13.75], [39.25, -13.85], [39.5, -13.75], [40.03, -13.97], [40.25, -14.5], [40.15, -14.75], [40.25, -15.0], [40.03, -15.53], [39.68, -15.68], [39.65, -15.75], [39.75, -16.0], [39.53, -16.53], [39.0, -16.75], [38.47, -16.53], [38.32, -16.18], [38.25, -16.15], [38.0, -16.25], [37.75, -16.15], [37.5, -16.25], [36.97, -16.03], [36.75, -15.5], [36.97, -14.97], [37.32, -14.82], [37.47, -14.47], [37.82, -14.32]]]]}, "2013-06-17T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[36.97, -14.47], [37.5, -14.25], [37.75, -14.35], [37.82, -14.32], [37.97, -13.97], [38.5, -13.75], [38.75, -13.85], [38.82, -13.82], [38.97, -13.47], [39.5, -13.25], [39.75, -13.35], [40.0, -13.25], [40.53, -13.47], [40.75, -14.0], [40.65, -14.25], [40.75, -14.5], [40.65, -14.75], [40.75, -15.0], [40.53, -15.53], [40.0, -15.75], [39.75, -15.65], [39.68, -15.68], [39.65, -15.75], [39.75, -16.0], [39.53, -16.53], [39.0, -16.75], [38.47, -16.53], [38.32, -16.18], [38.25, -16.15], [38.0, -16.25], [37.75, -16.15], [37.5, -16.25], [36.97, -16.03], [36.75, -15.5], [36.85, -15.25], [36.75, -15.0], [36.97, -14.47]]]]}, "2013-06-18T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[36.97, -14.47], [37.5, -14.25], [37.75, -14.35], [37.82, -14.32], [37.97, -13.97], [38.5, -13.75], [38.75, -13.85], [38.82, -13.82], [38.97, -13.47], [39.5, -13.25], [39.75, -13.35], [40.0, -13.25], [40.53, -13.47], [40.75, -14.0], [40.65, -14.25], [40.75, -14.5], [40.65, -14.75], [40.75, -15.0], [40.53, -15.53], [40.0, -15.75], [39.75, -15.65], [39.68, -15.68], [39.65, -15.75], [39.75, -16.0], [39.53, -16.53], [39.0, -16.75], [38.47, -16.53], [38.32, -16.18], [38.25, -16.15], [38.0, -16.25], [37.75, -16.15], [37.5, -16.25], [36.97, -16.03], [36.75, -15.5], [36.85, -15.25], [36.75, -15.0], [36.97, -14.47]]]]}, "2013-06-19T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[37.5, -14.25], [37.75, -14.35], [38.0, -14.25], [38.53, -14.47], [38.75, -15.0], [38.53, -15.53], [38.18, -15.68], [38.03, -16.03], [37.5, -16.25], [36.97, -16.03], [36.75, -15.5], [36.85, -15.25], [36.75, -15.0], [36.97, -14.47], [37.5, -14.25]]], [[[39.5, -13.25], [39.75, -13.35], [40.0, -13.25], [40.53, -13.47], [40.75, -14.0], [40.65, -14.25], [40.75, -14.5], [40.65, -14.75], [40.75, -15.0], [40.53, -15.53], [40.0, -15.75], [39.47, -15.53], [39.32, -15.18], [38.97, -15.03], [38.75, -14.5], [38.85, -14.25], [38.75, -14.0], [38.97, -13.47], [39.5, -13.25]]]]}}}, "max_amp": {"name": "Maximum anomaly amplitude", "description": "Maximum t2m anomaly recorded over entire duration", "value": -2.5847057720392286}, "mean_amp": {"name": "Mean anomaly amplitude", "description": "Mean t2m anomaly over entire duration", "value": -1.6268987606469807}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [18.473229574797813, 18.84003488771782, 19.12867186766863, 19.434490481733633]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [16.082728392703928, 15.813905646014405, 15.757156822901607, 16.09947524819586]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [-1.8649060969084938, -1.8074818352156565, -1.4758883226492752, -1.207045903541399]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [-2.5847057720392286, -2.361341375273412, -2.047251201206052, -1.6591825597506613]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [-1.5594889525048232, -1.70927130387717, -1.4710905515680839, -1.3314740751201888]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [-1.9714888499892922, -2.2117047387048667, -1.8280234434938678, -1.421349077987814]}}