{"version_information": {"version": "det_AHW_tail10.0_v1.1", "compiled_date": "2026-07-16 09:07:45.233504", "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-Apr-20_to_2017-Apr-24_282.5_2.0"}, "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": 2017040002234}, "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": "April 20 2017"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "April 24 2017"}, "duration": {"name": "Duration", "description": "Time elapsed (days) from the start date to the end date", "value": 5}, "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": 52520.90423915522}, "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": ["Colombia", "Ecuador"]}, "IPCC_regions": {"name": "IPCC regions", "description": "List of all IPCC regions affected", "value": ["N.W.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": ["North Pacific 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": 2.0}, "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": 282.5}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "282.5\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 280.25}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 283.75}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": 0.25}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": 3.25}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2017-04-20T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-76.5, 2.25], [-75.97, 2.03], [-75.75, 1.5], [-75.97, 0.97], [-76.5, 0.75], [-77.03, 0.97], [-77.25, 1.5], [-77.03, 2.03], [-76.5, 2.25]]]]}, "2017-04-21T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-80.03, 0.47], [-80.25, 1.0], [-80.03, 1.53], [-79.5, 1.75], [-79.25, 1.65], [-79.18, 1.68], [-79.04, 2.0], [-79.25, 2.5], [-79.03, 3.03], [-78.5, 3.25], [-78.25, 3.15], [-78.18, 3.18], [-78.03, 3.53], [-77.5, 3.75], [-77.25, 3.65], [-77.0, 3.75], [-76.47, 3.53], [-76.25, 3.0], [-76.37, 2.7], [-75.97, 2.53], [-75.75, 2.0], [-75.85, 1.75], [-75.75, 1.5], [-75.97, 0.97], [-76.5, 0.75], [-77.03, 0.97], [-77.25, 1.5], [-77.47, 0.97], [-77.82, 0.82], [-77.97, 0.47], [-78.5, 0.25], [-78.75, 0.35], [-79.0, 0.25], [-79.25, 0.35], [-79.5, 0.25], [-80.03, 0.47]], [[-77.15, 1.75], [-77.2, 1.88], [-77.37, 1.8], [-77.25, 1.5], [-77.15, 1.75]]]]}, "2017-04-22T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-80.03, 0.47], [-80.25, 1.0], [-80.03, 1.53], [-79.5, 1.75], [-79.25, 1.65], [-79.18, 1.68], [-79.04, 2.0], [-79.25, 2.5], [-79.03, 3.03], [-78.5, 3.25], [-78.25, 3.15], [-78.18, 3.18], [-78.03, 3.53], [-77.5, 3.75], [-77.25, 3.65], [-77.0, 3.75], [-76.47, 3.53], [-76.25, 3.0], [-76.37, 2.7], [-75.97, 2.53], [-75.75, 2.0], [-75.85, 1.75], [-75.75, 1.5], [-75.97, 0.97], [-76.5, 0.75], [-76.75, 0.85], [-77.0, 0.75], [-77.3, 0.88], [-77.35, 0.75], [-77.25, 0.5], [-77.47, -0.03], [-78.0, -0.25], [-78.25, -0.15], [-78.5, -0.25], [-79.03, -0.03], [-79.18, 0.32], [-79.25, 0.35], [-79.5, 0.25], [-80.03, 0.47]]]]}, "2017-04-23T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-80.03, 0.47], [-80.25, 1.0], [-80.03, 1.53], [-79.5, 1.75], [-79.25, 1.65], [-79.18, 1.68], [-79.04, 2.0], [-79.25, 2.5], [-79.03, 3.03], [-78.5, 3.25], [-78.25, 3.15], [-78.18, 3.18], [-78.03, 3.53], [-77.5, 3.75], [-77.25, 3.65], [-77.0, 3.75], [-76.47, 3.53], [-76.25, 3.0], [-76.37, 2.7], [-75.97, 2.53], [-75.75, 2.0], [-75.85, 1.75], [-75.75, 1.5], [-75.97, 0.97], [-76.5, 0.75], [-76.75, 0.85], [-77.0, 0.75], [-77.3, 0.88], [-77.35, 0.75], [-77.25, 0.5], [-77.47, -0.03], [-78.0, -0.25], [-78.25, -0.15], [-78.5, -0.25], [-79.03, -0.03], [-79.18, 0.32], [-79.25, 0.35], [-79.5, 0.25], [-80.03, 0.47]]]]}, "2017-04-24T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-78.12, 1.7], [-78.25, 2.0], [-78.03, 2.53], [-77.5, 2.75], [-76.97, 2.53], [-76.82, 2.18], [-76.47, 2.03], [-76.25, 1.5], [-76.47, 0.97], [-77.0, 0.75], [-77.3, 0.88], [-77.35, 0.75], [-77.25, 0.5], [-77.47, -0.03], [-78.0, -0.25], [-78.25, -0.15], [-78.5, -0.25], [-79.03, -0.03], [-79.25, 0.5], [-79.03, 1.03], [-78.68, 1.18], [-78.53, 1.53], [-78.12, 1.7]]]]}}}, "max_amp": {"name": "Maximum anomaly amplitude", "description": "Maximum t2m anomaly recorded over entire duration", "value": 1.93683262175864}, "mean_amp": {"name": "Mean anomaly amplitude", "description": "Mean t2m anomaly over entire duration", "value": 1.3395606841137733}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [17.950435638420004, 24.08576859706926, 22.348303186838564, 22.19712298342239, 17.154904000431827]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [17.950435638420004, 27.410463188314225, 27.9546951595417, 27.590053406859226, 21.5344833581874]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [1.1550295072758558, 1.1660059216179945, 1.5064870281478975, 1.3321192947636693, 1.2507495035455576]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [1.1550295072758558, 1.599289235247852, 1.9247128345124906, 1.93683262175864, 1.5609131293423388]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.3842596912851233, 1.519341646550658, 1.9581225617576257, 1.7258655582678162, 1.592256594316804]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [1.3842596912851233, 2.1131333127740533, 2.4621453474193093, 2.432469636155061, 1.9563964385233126]}}