{"version_information": {"version": "det_AHW_tail10.0_v1.1", "compiled_date": "2026-07-16 08:52:08.732812", "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": "2012-Dec-17_to_2012-Dec-21_288.0_12.5"}, "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": 2012120002245}, "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": "December 17 2012"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "December 21 2012"}, "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": 75497.5773020199}, "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": ["Aruba", "Colombia", "Venezuela"]}, "IPCC_regions": {"name": "IPCC regions", "description": "List of all IPCC regions affected", "value": ["Caribbean", "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": ["Caribbean Sea"]}, "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": 12.5}, "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": 287.75}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 291.25}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": 10.75}, "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": {"2012-12-17T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-72.53, 11.97], [-72.75, 12.5], [-72.53, 13.03], [-72.0, 13.25], [-71.47, 13.03], [-71.25, 12.5], [-71.47, 11.97], [-72.0, 11.75], [-72.53, 11.97]]], [[[-71.03, 12.97], [-71.25, 13.5], [-71.03, 14.03], [-70.5, 14.25], [-69.97, 14.03], [-69.75, 13.5], [-69.97, 12.97], [-70.5, 12.75], [-71.03, 12.97]]]]}, "2012-12-18T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-72.75, 12.0], [-72.65, 12.25], [-72.75, 12.5], [-72.53, 13.03], [-72.0, 13.25], [-71.47, 13.03], [-71.32, 12.68], [-70.97, 12.53], [-70.82, 12.18], [-70.75, 12.15], [-70.68, 12.18], [-70.53, 12.53], [-70.0, 12.75], [-69.47, 12.53], [-69.25, 12.0], [-69.35, 11.75], [-69.25, 11.5], [-69.47, 10.97], [-70.0, 10.75], [-70.25, 10.85], [-70.5, 10.75], [-70.75, 10.85], [-70.82, 10.82], [-70.97, 10.47], [-71.5, 10.25], [-71.75, 10.35], [-72.0, 10.25], [-72.53, 10.47], [-72.75, 11.0], [-72.65, 11.25], [-72.75, 11.5], [-72.65, 11.75], [-72.75, 12.0]]], [[[-71.03, 12.97], [-71.25, 13.5], [-71.03, 14.03], [-70.5, 14.25], [-69.97, 14.03], [-69.75, 13.5], [-69.97, 12.97], [-70.5, 12.75], [-71.03, 12.97]]]]}, "2012-12-19T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-72.65, 11.75], [-72.75, 12.0], [-72.65, 12.25], [-72.75, 12.5], [-72.65, 12.75], [-72.75, 13.0], [-72.53, 13.53], [-72.0, 13.75], [-71.75, 13.65], [-71.5, 13.75], [-71.25, 13.65], [-71.18, 13.68], [-71.03, 14.03], [-70.5, 14.25], [-69.97, 14.03], [-69.82, 13.68], [-69.75, 13.65], [-69.5, 13.75], [-69.25, 13.65], [-69.0, 13.75], [-68.47, 13.53], [-68.25, 13.0], [-68.35, 12.75], [-68.25, 12.5], [-68.47, 11.97], [-69.0, 11.75], [-69.25, 11.85], [-69.32, 11.82], [-69.35, 11.75], [-69.25, 11.5], [-69.47, 10.97], [-70.0, 10.75], [-70.25, 10.85], [-70.5, 10.75], [-70.75, 10.85], [-70.82, 10.82], [-70.97, 10.47], [-71.5, 10.25], [-71.75, 10.35], [-72.0, 10.25], [-72.53, 10.47], [-72.75, 11.0], [-72.65, 11.25], [-72.75, 11.5], [-72.65, 11.75]]]]}, "2012-12-20T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-72.65, 11.75], [-72.75, 12.0], [-72.65, 12.25], [-72.75, 12.5], [-72.65, 12.75], [-72.75, 13.0], [-72.53, 13.53], [-72.0, 13.75], [-71.75, 13.65], [-71.5, 13.75], [-71.25, 13.65], [-71.0, 13.75], [-70.75, 13.65], [-70.5, 13.75], [-70.25, 13.65], [-70.0, 13.75], [-69.75, 13.65], [-69.5, 13.75], [-69.25, 13.65], [-69.0, 13.75], [-68.47, 13.53], [-68.25, 13.0], [-68.35, 12.75], [-68.25, 12.5], [-68.47, 11.97], [-69.0, 11.75], [-69.25, 11.85], [-69.32, 11.82], [-69.35, 11.75], [-69.25, 11.5], [-69.47, 10.97], [-70.0, 10.75], [-70.25, 10.85], [-70.5, 10.75], [-70.75, 10.85], [-70.82, 10.82], [-70.97, 10.47], [-71.5, 10.25], [-71.75, 10.35], [-72.0, 10.25], [-72.53, 10.47], [-72.75, 11.0], [-72.65, 11.25], [-72.75, 11.5], [-72.65, 11.75]]]]}, "2012-12-21T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-72.53, 13.53], [-72.0, 13.75], [-71.75, 13.65], [-71.5, 13.75], [-71.25, 13.65], [-71.0, 13.75], [-70.75, 13.65], [-70.5, 13.75], [-70.25, 13.65], [-70.0, 13.75], [-69.75, 13.65], [-69.5, 13.75], [-69.25, 13.65], [-69.0, 13.75], [-68.47, 13.53], [-68.25, 13.0], [-68.35, 12.75], [-68.25, 12.5], [-68.47, 11.97], [-69.0, 11.75], [-69.25, 11.85], [-69.32, 11.82], [-69.47, 11.47], [-70.0, 11.25], [-70.3, 11.38], [-70.47, 10.97], [-71.0, 10.75], [-71.25, 10.85], [-71.5, 10.75], [-72.03, 10.97], [-72.25, 11.5], [-72.12, 11.8], [-72.53, 11.97], [-72.75, 12.5], [-72.65, 12.75], [-72.75, 13.0], [-72.53, 13.53]]]]}}}, "max_amp": {"name": "Maximum anomaly amplitude", "description": "Maximum t2m anomaly recorded over entire duration", "value": 1.7380814422725734}, "mean_amp": {"name": "Mean anomaly amplitude", "description": "Mean t2m anomaly over entire duration", "value": 1.047269636454257}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [27.187941230020442, 28.01486783580384, 27.624282410720582, 27.786729977793414, 27.28842360882362]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [27.309943073022737, 29.533359426255345, 29.539716235710387, 29.38359020129286, 27.780137407548068]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [0.8381340890757372, 1.090616197077954, 0.9932827415871816, 1.1670070422381282, 0.9516276952858254]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [0.9323640425836857, 1.496791962007478, 1.6986047324859328, 1.7380814422725734, 1.1893353617993512]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.510760382359421, 1.4150834156916166, 1.465703926629267, 1.738886246192149, 1.657399116722859]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [1.722798176547428, 1.6134325885135488, 1.7431105255283712, 2.0989380400635937, 2.2813341587339537]}}