{"version_information": {"version": "det_AHW_tail10.0_v1.1", "compiled_date": "2026-07-16 09:19:34.321459", "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": "2019-Apr-09_to_2019-Apr-12_283.0_-1.5"}, "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": 2019040001537}, "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 09 2019"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "April 12 2019"}, "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": 89603.5995165107}, "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": ["Ecuador", "Peru"]}, "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": []}, "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": -1.5}, "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": 283.0}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "283.0\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 281.75}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 285.75}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": -2.75}, "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": {"2019-04-09T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-78.25, -1.0], [-78.03, -0.47], [-77.68, -0.32], [-77.53, 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[-74.35, -0.75], [-74.25, -1.0], [-74.35, -1.25], [-74.25, -1.5], [-74.35, -1.75], [-74.32, -1.82], [-73.97, -1.97], [-73.75, -2.5], [-73.97, -3.03], [-74.5, -3.25], [-74.75, -3.15], [-75.0, -3.25], [-75.25, -3.15], [-75.5, -3.25], [-75.75, -3.15], [-76.0, -3.25], [-76.25, -3.15], [-76.5, -3.25], [-77.03, -3.03], [-77.18, -2.68], [-77.25, -2.65], [-77.5, -2.75], [-77.75, -2.65], [-78.0, -2.75], [-78.53, -2.53], [-78.75, -2.0], [-78.53, -1.47], [-78.18, -1.32], [-78.15, -1.25], [-78.25, -1.0]]]]}, "2019-04-11T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-78.25, -1.0], [-78.03, -0.47], [-77.68, -0.32], [-77.53, 0.03], [-77.0, 0.25], [-76.75, 0.15], [-76.5, 0.25], [-76.25, 0.15], [-76.0, 0.25], [-75.75, 0.15], [-75.5, 0.25], [-75.25, 0.15], [-75.0, 0.25], [-74.47, 0.03], [-74.25, -0.5], [-74.35, -0.75], [-74.25, -1.0], [-74.35, -1.25], [-74.25, -1.5], [-74.35, -1.75], [-74.32, -1.82], [-73.97, -1.97], [-73.75, -2.5], [-73.97, -3.03], [-74.5, -3.25], [-74.75, -3.15], [-75.0, -3.25], [-75.25, -3.15], [-75.5, -3.25], [-75.75, -3.15], [-76.0, -3.25], [-76.25, -3.15], [-76.5, -3.25], [-77.03, -3.03], [-77.18, -2.68], [-77.25, -2.65], [-77.5, -2.75], [-77.75, -2.65], [-78.0, -2.75], [-78.53, -2.53], [-78.75, -2.0], [-78.53, -1.47], [-78.18, -1.32], [-78.15, -1.25], [-78.25, -1.0]]]]}, "2019-04-12T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-77.0, -0.75], [-76.47, -0.97], [-76.25, -1.5], [-76.47, -2.03], [-77.0, -2.25], [-77.3, -2.12], [-77.47, -2.53], [-78.0, -2.75], [-78.53, -2.53], [-78.75, -2.0], [-78.53, -1.47], [-78.0, -1.25], [-77.7, -1.38], [-77.53, -0.97], [-77.0, -0.75]]]]}}}, "max_amp": {"name": "Maximum anomaly amplitude", "description": "Maximum t2m anomaly recorded over entire duration", "value": 3.618117138767616}, "mean_amp": {"name": "Mean anomaly amplitude", "description": "Mean t2m anomaly over entire duration", "value": 2.1126749016038624}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [26.54987394807125, 27.778211390611773, 26.795616426494007, 24.149283069584612]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [27.177946169187123, 28.70330440503068, 27.76159478733973, 26.378128560081336]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [1.627175040877356, 2.8740627716228304, 1.889063754794561, 1.3546603955980459]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [2.225496601321538, 3.618117138767616, 2.582367068482597, 1.4920505148346024]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.7227016207031112, 2.9776528973965486, 1.9230129960388633, 1.4748126940310995]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [2.315829054077825, 3.645467270288498, 2.5604198967265424, 1.495670376445417]}}