{"version_information": {"version": "det_AHW_tail10.0_v1.1", "compiled_date": "2026-07-16 09:03:22.544565", "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-Jul-06_to_2015-Jul-08_307.5_-6.5"}, "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": 2015070000372}, "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": "July 06 2015"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "July 08 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": "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": 64459.22199742631}, "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": ["Brazil"]}, "IPCC_regions": {"name": "IPCC regions", "description": "List of all IPCC regions affected", "value": ["N.South-America"]}, "continents_affected": {"name": "Continents affected", "description": "List of all continents affected", "value": ["South America"]}, "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": -6.5}, "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": 307.5}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "307.5\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 306.25}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 309.75}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": -8.25}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": -5.25}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2015-07-06T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-54.04, -6.5], [-54.25, -6.0], [-54.03, -5.47], [-53.5, -5.25], [-53.25, -5.35], [-53.0, -5.25], [-52.75, -5.35], [-52.68, -5.32], [-52.53, -4.97], [-52.0, -4.75], [-51.47, -4.97], [-51.3, -5.38], [-51.0, -5.25], [-50.75, -5.35], [-50.5, -5.25], [-49.97, -5.47], [-49.75, -6.0], [-49.97, -6.53], [-50.32, -6.68], [-50.47, -7.03], [-50.82, -7.18], [-50.85, -7.25], [-50.75, -7.5], [-50.97, -8.03], [-51.32, -8.18], [-51.47, -8.53], [-52.0, -8.75], [-52.25, -8.65], [-52.5, -8.75], [-53.03, -8.53], [-53.18, -8.18], [-53.25, -8.15], [-53.5, -8.25], [-54.03, -8.03], [-54.25, -7.5], [-54.15, -7.25], [-54.25, -7.0], [-54.04, -6.5]]]]}, "2015-07-07T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-54.04, -6.5], [-54.25, -6.0], [-54.03, -5.47], [-53.5, -5.25], [-53.25, -5.35], [-53.0, -5.25], [-52.75, -5.35], [-52.68, -5.32], [-52.53, -4.97], [-52.0, -4.75], [-51.47, -4.97], [-51.3, -5.38], [-51.0, -5.25], [-50.75, -5.35], [-50.5, -5.25], [-49.97, -5.47], [-49.75, -6.0], [-49.97, -6.53], [-50.32, -6.68], [-50.47, -7.03], [-50.82, -7.18], [-50.85, -7.25], [-50.75, -7.5], [-50.97, -8.03], [-51.32, -8.18], [-51.47, -8.53], [-52.0, -8.75], [-52.25, -8.65], [-52.5, -8.75], [-53.03, -8.53], [-53.18, -8.18], [-53.25, -8.15], [-53.5, -8.25], [-54.03, -8.03], [-54.25, -7.5], [-54.15, -7.25], [-54.25, -7.0], [-54.04, -6.5]]]]}, "2015-07-08T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-54.04, -6.5], [-54.25, -6.0], [-54.03, -5.47], [-53.5, -5.25], [-53.25, -5.35], [-53.0, -5.25], [-52.75, -5.35], [-52.68, -5.32], [-52.53, -4.97], [-52.0, -4.75], [-51.47, -4.97], [-51.3, -5.38], [-51.0, -5.25], [-50.75, -5.35], [-50.5, -5.25], [-49.97, -5.47], [-49.75, -6.0], [-49.97, -6.53], [-50.32, -6.68], [-50.47, -7.03], [-50.82, -7.18], [-50.85, -7.25], [-50.75, -7.5], [-50.97, -8.03], [-51.32, -8.18], [-51.47, -8.53], [-52.0, -8.75], [-52.25, -8.65], [-52.5, -8.75], [-53.03, -8.53], [-53.18, -8.18], [-53.25, -8.15], [-53.5, -8.25], [-54.03, -8.03], [-54.25, -7.5], [-54.15, -7.25], [-54.25, -7.0], [-54.04, -6.5]]]]}}}, "max_amp": {"name": "Maximum anomaly amplitude", "description": "Maximum t2m anomaly recorded over entire duration", "value": -2.29853047677193}, "mean_amp": {"name": "Mean anomaly amplitude", "description": "Mean t2m anomaly over entire duration", "value": -1.6238485001423524}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [24.352060084543098, 24.227554917375812, 24.502483187645453]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [23.26546449091819, 23.417595641480432, 23.858925779025128]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [-1.606323114140921, -1.76536893123798, -1.4998534550481557]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [-2.133595516203968, -2.29853047677193, -1.9781394758409192]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [-1.8625552369476341, -2.0057187508670933, -1.7049209762652813]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [-2.532290001138863, -2.6677606070040207, -2.279342598112976]}}