{"version_information": {"version": "det_AHW_tail10.0_v1.1", "compiled_date": "2026-07-16 09:18:20.258505", "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-Oct-08_to_2018-Oct-11_293.5_4.0"}, "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": 2018100001585}, "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": "October 08 2018"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "October 11 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": 101408.89540799518}, "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", "Venezuela"]}, "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": 4.0}, "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": 293.5}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "293.5\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 289.25}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 294.75}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": 3.75}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": 8.25}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2018-10-08T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-71.15, 6.25], [-71.25, 6.5], [-71.03, 7.03], [-70.5, 7.25], [-70.2, 7.12], [-70.03, 7.53], [-69.5, 7.75], [-69.25, 7.65], [-69.0, 7.75], [-68.75, 7.65], [-68.68, 7.68], [-68.53, 8.03], [-68.0, 8.25], [-67.47, 8.03], [-67.32, 7.68], [-66.97, 7.53], [-66.75, 7.0], [-66.85, 6.75], [-66.75, 6.5], [-66.96, 6.0], [-66.82, 5.68], [-66.75, 5.65], [-66.5, 5.75], [-65.97, 5.53], [-65.8, 5.12], [-65.5, 5.25], [-64.97, 5.03], [-64.75, 4.5], [-64.97, 3.97], [-65.32, 3.82], [-65.47, 3.47], [-66.0, 3.25], [-66.25, 3.35], [-66.5, 3.25], [-67.03, 3.47], [-67.18, 3.82], [-67.53, 3.97], [-67.75, 4.5], [-67.65, 4.75], [-67.68, 4.82], [-68.03, 4.97], [-68.18, 5.32], [-68.25, 5.35], [-68.32, 5.32], [-68.47, 4.97], [-68.82, 4.82], [-68.97, 4.47], [-69.5, 4.25], [-69.75, 4.35], [-70.0, 4.25], [-70.53, 4.47], [-70.68, 4.82], [-71.03, 4.97], [-71.25, 5.5], [-71.15, 5.75], [-71.25, 6.0], [-71.15, 6.25]]]]}, "2018-10-09T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-71.15, 6.25], [-71.25, 6.5], [-71.03, 7.03], [-70.5, 7.25], [-70.2, 7.12], [-70.03, 7.53], [-69.68, 7.68], [-69.53, 8.03], [-69.18, 8.18], [-69.03, 8.53], [-68.5, 8.75], [-68.25, 8.65], [-68.0, 8.75], [-67.47, 8.53], [-67.25, 8.0], [-67.35, 7.75], [-67.32, 7.68], [-66.97, 7.53], [-66.75, 7.0], [-66.85, 6.75], [-66.75, 6.5], [-66.96, 6.0], [-66.82, 5.68], [-66.75, 5.65], [-66.5, 5.75], [-65.97, 5.53], [-65.8, 5.12], [-65.5, 5.25], [-64.97, 5.03], [-64.75, 4.5], [-64.97, 3.97], [-65.32, 3.82], [-65.47, 3.47], [-66.0, 3.25], [-66.25, 3.35], [-66.5, 3.25], [-67.03, 3.47], [-67.18, 3.82], [-67.53, 3.97], [-67.75, 4.5], [-67.65, 4.75], [-67.68, 4.82], [-68.03, 4.97], [-68.18, 5.32], [-68.25, 5.35], [-68.32, 5.32], [-68.47, 4.97], [-68.82, 4.82], [-68.97, 4.47], [-69.5, 4.25], [-69.75, 4.35], [-70.0, 4.25], [-70.53, 4.47], [-70.68, 4.82], [-71.03, 4.97], [-71.25, 5.5], [-71.15, 5.75], [-71.25, 6.0], [-71.15, 6.25]]]]}, "2018-10-10T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-71.15, 6.25], [-71.25, 6.5], [-71.03, 7.03], [-70.5, 7.25], [-70.2, 7.12], [-70.03, 7.53], [-69.68, 7.68], [-69.53, 8.03], [-69.18, 8.18], [-69.03, 8.53], [-68.5, 8.75], [-68.25, 8.65], [-68.0, 8.75], [-67.47, 8.53], [-67.25, 8.0], [-67.35, 7.75], [-67.32, 7.68], [-66.97, 7.53], [-66.75, 7.0], [-66.85, 6.75], [-66.75, 6.5], [-66.96, 6.0], [-66.82, 5.68], [-66.75, 5.65], [-66.5, 5.75], [-65.97, 5.53], [-65.8, 5.12], [-65.5, 5.25], [-64.97, 5.03], [-64.75, 4.5], [-64.97, 3.97], [-65.32, 3.82], [-65.47, 3.47], [-66.0, 3.25], [-66.25, 3.35], [-66.5, 3.25], [-67.03, 3.47], [-67.18, 3.82], [-67.53, 3.97], [-67.75, 4.5], [-67.65, 4.75], [-67.68, 4.82], [-68.03, 4.97], [-68.18, 5.32], [-68.25, 5.35], [-68.32, 5.32], [-68.47, 4.97], [-68.82, 4.82], [-68.97, 4.47], [-69.5, 4.25], [-69.75, 4.35], [-70.0, 4.25], [-70.53, 4.47], [-70.68, 4.82], [-71.03, 4.97], [-71.25, 5.5], [-71.15, 5.75], [-71.25, 6.0], [-71.15, 6.25]]]]}, "2018-10-11T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-68.5, 8.75], [-68.25, 8.65], [-68.0, 8.75], [-67.47, 8.53], [-67.25, 8.0], [-67.47, 7.47], [-67.82, 7.32], [-67.97, 6.97], [-68.5, 6.75], [-68.75, 6.85], [-69.0, 6.75], [-69.53, 6.97], [-69.75, 7.5], [-69.53, 8.03], [-69.18, 8.18], [-69.03, 8.53], [-68.5, 8.75]]]]}}}, "max_amp": {"name": "Maximum anomaly amplitude", "description": "Maximum t2m anomaly recorded over entire duration", "value": 2.2761605645128498}, "mean_amp": {"name": "Mean anomaly amplitude", "description": "Mean t2m anomaly over entire duration", "value": 1.4598210031177141}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [27.308904828036987, 27.65494563886307, 27.60439056379181, 28.738550570502582]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [28.6351112162414, 29.61525232251637, 29.538535413216778, 28.867978236622207]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [1.3548231068381216, 1.5239571780172128, 1.4914535716027313, 1.4309636182225063]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [1.9906801904870122, 2.1451197171534773, 2.2761605645128498, 1.4415743666688172]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.5878218467853016, 1.7406910424573934, 1.722394837196352, 1.3733209641620427]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [2.2017448477098585, 2.186946808785446, 2.157648843514565, 1.4277971407941974]}}