{"version_information": {"version": "det_AHW_tail10.0_v1.1", "compiled_date": "2026-07-16 09:18:07.621692", "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": "2018-Sep-17_to_2018-Sep-20_288.0_-0.5"}, "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": 2018090002256}, "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": "September 17 2018"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "September 20 2018"}, "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": 80346.72403995751}, "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", "Peru"]}, "IPCC_regions": {"name": "IPCC regions", "description": "List of all IPCC regions affected", "value": ["N.South-America", "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": []}, "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": -0.5}, "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": 288.0}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "288.0\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 285.75}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 289.25}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": -3.25}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": 0.25}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2018-09-17T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-74.53, 0.53], [-74.0, 0.75], [-73.5, 0.54], [-73.0, 0.75], [-72.75, 0.65], [-72.5, 0.75], [-72.25, 0.65], [-72.0, 0.75], [-71.75, 0.65], [-71.5, 0.75], [-70.97, 0.53], [-70.82, 0.18], [-70.47, 0.03], [-70.25, -0.5], [-70.47, -1.03], [-70.82, -1.18], [-70.97, -1.53], [-71.5, -1.75], [-71.75, -1.65], [-71.82, -1.68], [-71.85, -1.75], [-71.82, -1.82], [-71.47, -1.97], [-71.25, -2.5], [-71.47, -3.03], [-71.82, -3.18], [-71.97, -3.53], [-72.5, -3.75], [-73.03, -3.53], [-73.25, -3.0], [-73.15, -2.75], [-73.25, -2.5], [-73.15, -2.25], [-73.18, -2.18], [-73.53, -2.03], [-73.75, -1.5], [-73.57, -1.07], [-74.0, -1.25], [-74.53, -1.03], [-74.75, -0.5], [-74.65, -0.25], [-74.75, 0.0], [-74.53, 0.53]]]]}, "2018-09-18T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-74.53, 0.53], [-74.0, 0.75], [-73.5, 0.54], [-73.0, 0.75], [-72.75, 0.65], [-72.5, 0.75], [-72.25, 0.65], [-72.0, 0.75], [-71.75, 0.65], [-71.5, 0.75], [-70.97, 0.53], [-70.82, 0.18], [-70.47, 0.03], [-70.25, -0.5], [-70.35, -0.75], [-70.25, -1.0], [-70.47, -1.53], [-70.82, -1.68], [-70.97, -2.03], [-71.32, -2.18], [-71.35, -2.25], [-71.25, -2.5], [-71.47, -3.03], [-71.82, -3.18], [-71.97, -3.53], [-72.5, -3.75], [-73.03, -3.53], [-73.25, -3.0], [-73.15, -2.75], [-73.25, -2.5], [-73.15, -2.25], [-73.18, -2.18], [-73.53, -2.03], [-73.75, -1.5], [-73.65, -1.25], [-73.68, -1.18], [-73.75, -1.15], [-74.0, -1.25], [-74.53, -1.03], [-74.75, -0.5], [-74.65, -0.25], [-74.75, 0.0], [-74.53, 0.53]]]]}, "2018-09-19T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-74.53, 0.53], [-74.0, 0.75], [-73.5, 0.54], [-73.0, 0.75], [-72.75, 0.65], [-72.5, 0.75], [-72.25, 0.65], [-72.0, 0.75], [-71.75, 0.65], [-71.5, 0.75], [-70.97, 0.53], [-70.82, 0.18], [-70.47, 0.03], [-70.25, -0.5], [-70.35, -0.75], [-70.25, -1.0], [-70.47, -1.53], [-70.82, -1.68], [-70.97, -2.03], [-71.32, -2.18], [-71.35, -2.25], [-71.25, -2.5], [-71.47, -3.03], [-71.82, -3.18], [-71.97, -3.53], [-72.5, -3.75], [-73.03, -3.53], [-73.25, -3.0], [-73.15, -2.75], [-73.25, -2.5], [-73.15, -2.25], [-73.18, -2.18], [-73.53, -2.03], [-73.75, -1.5], [-73.65, -1.25], [-73.68, -1.18], [-73.75, -1.15], [-74.0, -1.25], [-74.53, -1.03], [-74.75, -0.5], [-74.65, -0.25], [-74.75, 0.0], [-74.53, 0.53]]]]}, "2018-09-20T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-74.53, 0.53], [-74.0, 0.75], [-73.5, 0.54], [-73.0, 0.75], [-72.75, 0.65], [-72.5, 0.75], [-72.25, 0.65], [-72.0, 0.75], [-71.75, 0.65], [-71.5, 0.75], [-70.97, 0.53], [-70.82, 0.18], [-70.47, 0.03], [-70.25, -0.5], [-70.35, -0.75], [-70.25, -1.0], [-70.47, -1.53], [-70.82, -1.68], [-70.97, -2.03], [-71.32, -2.18], [-71.35, -2.25], [-71.25, -2.5], [-71.47, -3.03], [-72.0, -3.25], [-72.25, -3.15], [-72.5, -3.25], [-73.03, -3.03], [-73.25, -2.5], [-73.15, -2.25], [-73.18, -2.18], [-73.53, -2.03], [-73.75, -1.5], [-73.65, -1.25], [-73.68, -1.18], [-73.75, -1.15], [-74.0, -1.25], [-74.53, -1.03], [-74.75, -0.5], [-74.65, -0.25], [-74.75, 0.0], [-74.53, 0.53]]]]}}}, "max_amp": {"name": "Maximum anomaly amplitude", "description": "Maximum t2m anomaly recorded over entire duration", "value": 2.325965340492189}, "mean_amp": {"name": "Mean anomaly amplitude", "description": "Mean t2m anomaly over entire duration", "value": 1.529299965327755}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [26.38624016153176, 26.402404491031177, 26.81147816815644, 26.768699705586414]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [26.998381929473965, 27.19158833922512, 27.731820691323207, 27.27968203360416]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [1.4054177692258691, 1.3748127561482504, 1.7037391035134068, 1.6076557160428706]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [1.9338667591294438, 1.6782884988923001, 2.1407672358084824, 2.325965340492189]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.6550738913103822, 1.6432011452771198, 1.9682220357483404, 1.8319420068019943]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [2.3373804237464784, 1.9768083815840651, 2.38313608298256, 2.486398026404731]}}