{"version_information": {"version": "det_AHW_tail10.0_v1.1", "compiled_date": "2026-07-16 08:46:29.086014", "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": "2010-Dec-30_to_2011-Jan-03_295.0_-3.0"}, "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": 2010120002757}, "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 30 2010"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "January 03 2011"}, "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": 58649.291191754004}, "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": ["Brazil"]}, "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": -3.0}, "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": 295.0}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "295.0\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 293.75}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 296.75}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": -4.75}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": -1.25}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2010-12-30T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-66.75, -3.5], [-66.53, -2.97], [-66.18, -2.82], [-66.03, -2.47], [-65.68, -2.32], [-65.53, -1.97], [-65.0, -1.75], [-64.47, -1.97], [-64.32, -2.32], [-63.97, -2.47], [-63.75, -3.0], [-63.85, -3.25], [-63.75, -3.5], [-63.97, -4.03], [-64.32, -4.18], [-64.35, -4.25], [-64.25, -4.5], [-64.47, -5.03], [-65.0, -5.25], [-65.53, -5.03], [-65.68, -4.68], [-66.03, -4.53], [-66.18, -4.18], [-66.53, -4.03], [-66.75, -3.5]]]]}, "2010-12-31T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-66.53, -2.47], [-66.0, -2.25], [-65.75, -2.35], [-65.68, -2.32], [-65.65, -2.25], [-65.75, -2.0], [-65.65, -1.75], [-65.75, -1.5], [-65.53, -0.97], [-65.0, -0.75], [-64.5, -0.96], [-64.0, -0.75], [-63.47, -0.97], [-63.32, -1.32], [-62.97, -1.47], [-62.75, -2.0], [-62.85, -2.25], [-62.75, -2.5], [-62.97, -3.03], [-63.5, -3.25], [-63.75, -3.15], [-63.82, -3.18], [-63.85, -3.25], [-63.75, -3.5], [-63.97, -4.03], [-64.32, -4.18], [-64.35, -4.25], [-64.25, -4.5], [-64.47, -5.03], [-65.0, -5.25], [-65.53, -5.03], [-65.68, -4.68], [-66.03, -4.53], [-66.18, -4.18], [-66.53, -4.03], [-66.75, -3.5], [-66.65, -3.25], [-66.75, -3.0], [-66.53, -2.47]]]]}, "2011-01-01T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-66.53, -2.47], [-66.0, -2.25], [-65.75, -2.35], [-65.68, -2.32], [-65.65, -2.25], [-65.75, -2.0], [-65.65, -1.75], [-65.75, -1.5], [-65.53, -0.97], [-65.0, -0.75], [-64.5, -0.96], [-64.0, -0.75], [-63.47, -0.97], [-63.32, -1.32], [-62.97, -1.47], [-62.75, -2.0], [-62.85, -2.25], [-62.75, -2.5], [-62.97, -3.03], [-63.5, -3.25], [-63.75, -3.15], [-63.82, -3.18], [-63.85, -3.25], [-63.75, -3.5], [-63.97, -4.03], [-64.32, -4.18], [-64.35, -4.25], [-64.25, -4.5], [-64.47, -5.03], [-65.0, -5.25], [-65.53, -5.03], [-65.68, -4.68], [-66.03, -4.53], [-66.18, -4.18], [-66.53, -4.03], [-66.75, -3.5], [-66.65, -3.25], [-66.75, -3.0], [-66.53, -2.47]]]]}, "2011-01-02T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-66.75, -3.0], [-66.53, -2.47], [-66.0, -2.25], [-65.75, -2.35], [-65.68, -2.32], [-65.65, -2.25], [-65.75, -2.0], [-65.65, -1.75], [-65.75, -1.5], [-65.53, -0.97], [-65.0, -0.75], [-64.5, -0.96], [-64.0, -0.75], [-63.47, -0.97], [-63.32, -1.32], [-62.97, -1.47], [-62.75, -2.0], [-62.85, -2.25], [-62.75, -2.5], [-62.97, -3.03], [-63.5, -3.25], [-63.75, -3.15], [-64.0, -3.25], [-64.3, -3.12], [-64.47, -3.53], [-64.82, -3.68], [-64.97, -4.03], [-65.5, -4.25], [-66.03, -4.03], [-66.18, -3.68], [-66.53, -3.53], [-66.75, -3.0]]]]}, "2011-01-03T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-65.53, -0.97], [-65.0, -0.75], [-64.47, -0.97], [-64.25, -1.5], [-64.35, -1.75], [-64.25, -2.0], [-64.47, -2.53], [-65.0, -2.75], [-65.53, -2.53], [-65.75, -2.0], [-65.65, -1.75], [-65.75, -1.5], [-65.53, -0.97]]]]}}}, "max_amp": {"name": "Maximum anomaly amplitude", "description": "Maximum t2m anomaly recorded over entire duration", "value": 2.321702207394651}, "mean_amp": {"name": "Mean anomaly amplitude", "description": "Mean t2m anomaly over entire duration", "value": 1.6709182645199907}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [27.535476926826902, 27.915067422193147, 27.789035188728747, 27.421879180250357, 27.441378026007612]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [28.13765164591956, 28.538692227332263, 28.55736687449655, 27.950715975467233, 27.55065540388631]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [1.411102365123032, 1.8658186940072388, 1.7576605407904762, 1.4839131833106336, 1.5463304937609337]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [1.6722382417133304, 2.321702207394651, 2.236651104752184, 1.6689403623340695, 1.5893724959743167]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.7505435099126911, 2.2296506565863887, 2.0111344952524863, 1.6889510784107191, 1.7149589389324182]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [2.035302180919535, 2.9636907334663696, 2.6469736390460614, 1.8882640482013084, 1.7810187448762522]}}