{"version_information": {"version": "det_AHW_tail10.0_v1.1", "compiled_date": "2026-07-16 08:52:03.513275", "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-02_to_2012-Dec-07_292.0_-20.5"}, "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": 2012120001454}, "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 02 2012"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "December 07 2012"}, "duration": {"name": "Duration", "description": "Time elapsed (days) from the start date to the end date", "value": 6}, "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": 106926.7994833263}, "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": ["Argentina", "Bolivia"]}, "IPCC_regions": {"name": "IPCC regions", "description": "List of all IPCC regions affected", "value": ["S.E.South-America", "S.W.South-America", "South-American-Monsoon"]}, "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": -20.5}, "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": 292.0}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "292.0\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 291.75}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 297.25}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": -23.25}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": -18.25}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2012-12-02T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-65.25, -20.5], [-65.03, -19.97], [-64.5, -19.75], [-63.97, -19.97], [-63.75, -20.5], [-63.96, -21.0], [-63.75, -21.5], [-63.96, -22.0], [-63.75, -22.5], [-63.97, -23.03], [-64.5, -23.25], [-65.03, -23.03], [-65.25, -22.5], [-65.04, -22.0], [-65.25, -21.5], [-65.04, -21.0], [-65.25, -20.5]]], [[[-68.0, -19.75], [-67.47, -19.97], [-67.25, -20.5], [-67.35, -20.75], [-67.25, -21.0], [-67.47, -21.53], [-68.0, -21.75], [-68.53, -21.53], [-68.75, -21.0], [-68.65, -20.75], [-68.75, -20.5], [-68.53, -19.97], [-68.0, -19.75]]]]}, "2012-12-03T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-66.25, -20.0], [-66.03, -19.47], [-65.5, -19.25], [-65.0, -19.46], [-64.5, -19.25], [-64.25, -19.35], [-64.0, -19.25], [-63.47, -19.47], [-63.25, -20.0], [-63.35, -20.25], [-63.32, -20.32], [-62.97, -20.47], [-62.75, -21.0], [-62.85, -21.25], [-62.82, -21.32], [-62.47, -21.47], [-62.25, -22.0], [-62.47, -22.53], [-62.82, -22.68], [-62.97, -23.03], [-63.32, -23.18], [-63.47, -23.53], [-64.0, -23.75], [-64.53, -23.53], [-64.68, -23.18], [-65.03, -23.03], [-65.25, -22.5], [-65.15, -22.25], [-65.18, -22.18], [-65.53, -22.03], [-65.75, -21.5], [-65.53, -20.97], [-65.18, -20.82], [-65.15, -20.75], [-65.2, -20.62], [-65.5, -20.75], [-66.03, -20.53], [-66.25, -20.0]]], [[[-68.75, -20.0], [-68.53, -19.47], [-68.0, -19.25], [-67.47, -19.47], [-67.25, -20.0], [-67.35, -20.25], [-67.25, -20.5], [-67.35, -20.75], [-67.25, -21.0], [-67.47, -21.53], [-68.0, -21.75], [-68.53, -21.53], [-68.75, -21.0], [-68.65, -20.75], [-68.75, -20.5], [-68.65, -20.25], [-68.75, -20.0]]]]}, "2012-12-04T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-68.65, -20.25], [-68.75, -20.0], [-68.53, -19.47], [-68.0, -19.25], [-67.47, -19.47], [-67.3, -19.88], [-67.18, -19.82], [-67.04, -19.5], [-67.25, -19.0], [-67.15, -18.75], [-67.25, -18.5], [-67.03, -17.97], [-66.5, -17.75], [-65.97, -17.97], [-65.82, -18.32], [-65.47, -18.47], [-65.32, -18.82], [-64.97, -18.97], [-64.82, -19.32], [-64.75, -19.35], [-64.5, -19.25], [-64.25, -19.35], [-64.0, -19.25], [-63.47, -19.47], [-63.25, -20.0], [-63.35, -20.25], [-63.32, -20.32], [-62.97, -20.47], [-62.75, -21.0], [-62.85, -21.25], [-62.82, -21.32], [-62.47, -21.47], [-62.25, -22.0], [-62.47, -22.53], [-62.82, -22.68], [-62.97, -23.03], [-63.32, -23.18], [-63.47, -23.53], [-64.0, -23.75], [-64.53, -23.53], [-64.68, -23.18], [-65.03, -23.03], [-65.25, -22.5], [-65.15, -22.25], [-65.18, -22.18], [-65.53, -22.03], [-65.75, -21.5], [-65.53, -20.97], [-65.18, -20.82], [-65.15, -20.75], [-65.18, -20.68], [-65.25, -20.65], [-65.5, -20.75], [-65.75, -20.65], [-65.82, -20.68], [-65.85, -20.75], [-65.75, -21.0], [-65.97, -21.53], [-66.5, -21.75], [-66.75, -21.65], [-67.0, -21.75], [-67.5, -21.54], [-68.0, -21.75], [-68.53, -21.53], [-68.75, -21.0], [-68.65, -20.75], [-68.75, -20.5], [-68.65, -20.25]]]]}, "2012-12-05T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-68.53, -19.47], [-68.0, -19.25], [-67.47, -19.47], [-67.32, -19.82], [-67.25, -19.85], [-67.18, -19.82], [-67.04, -19.5], [-67.25, -19.0], [-67.15, -18.75], [-67.25, -18.5], [-67.03, -17.97], [-66.5, -17.75], [-65.97, -17.97], [-65.82, -18.32], [-65.75, -18.35], [-65.5, -18.25], [-64.97, -18.47], [-64.75, -19.0], [-64.85, -19.25], [-64.82, -19.32], [-64.75, -19.35], [-64.5, -19.25], [-64.25, -19.35], [-64.0, -19.25], [-63.47, -19.47], [-63.25, -20.0], [-63.35, -20.25], [-63.32, -20.32], [-62.97, -20.47], [-62.75, -21.0], [-62.85, -21.25], [-62.82, -21.32], [-62.47, -21.47], [-62.25, -22.0], [-62.47, -22.53], [-62.82, -22.68], [-62.97, -23.03], [-63.32, -23.18], [-63.47, -23.53], [-64.0, -23.75], [-64.53, -23.53], [-64.75, -23.0], [-64.65, -22.75], [-64.68, -22.68], [-65.03, -22.53], [-65.18, -22.18], [-65.53, -22.03], [-65.75, -21.5], [-65.53, -20.97], [-65.18, -20.82], [-65.15, -20.75], [-65.18, -20.68], [-65.25, -20.65], [-65.5, -20.75], [-65.75, -20.65], [-65.82, -20.68], [-65.85, -20.75], [-65.75, -21.0], [-65.97, -21.53], [-66.5, -21.75], [-66.75, -21.65], [-67.0, -21.75], [-67.53, -21.53], [-67.68, -21.18], [-67.75, -21.15], [-68.0, -21.25], [-68.53, -21.03], [-68.75, -20.5], [-68.65, -20.25], [-68.75, -20.0], [-68.53, -19.47]]]]}, "2012-12-06T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-68.53, -19.47], [-68.0, -19.25], [-67.47, -19.47], [-67.32, -19.82], [-67.25, -19.85], [-67.18, -19.82], [-67.04, -19.5], [-67.25, -19.0], [-67.15, -18.75], [-67.25, -18.5], [-67.03, -17.97], [-66.5, -17.75], [-65.97, -17.97], [-65.82, -18.32], [-65.75, -18.35], [-65.5, -18.25], [-64.97, -18.47], [-64.75, -19.0], [-64.85, -19.25], [-64.82, -19.32], [-64.75, -19.35], [-64.5, -19.25], [-64.25, -19.35], [-64.0, -19.25], [-63.47, -19.47], [-63.25, -20.0], [-63.35, -20.25], [-63.32, -20.32], [-62.97, -20.47], [-62.75, -21.0], [-62.85, -21.25], [-62.82, -21.32], [-62.47, -21.47], [-62.25, -22.0], [-62.47, -22.53], [-62.82, -22.68], [-62.97, -23.03], [-63.32, -23.18], [-63.47, -23.53], [-64.0, -23.75], [-64.53, -23.53], [-64.75, -23.0], [-64.65, -22.75], [-64.68, -22.68], [-65.03, -22.53], [-65.18, -22.18], [-65.53, -22.03], [-65.75, -21.5], [-65.53, -20.97], [-65.18, -20.82], [-65.15, -20.75], [-65.18, -20.68], [-65.25, -20.65], [-65.5, -20.75], [-65.75, -20.65], [-65.82, -20.68], [-65.85, -20.75], [-65.75, -21.0], [-65.97, -21.53], [-66.5, -21.75], [-66.75, -21.65], [-67.0, -21.75], [-67.53, -21.53], [-67.68, -21.18], [-67.75, -21.15], [-68.0, -21.25], [-68.53, -21.03], [-68.75, -20.5], [-68.65, -20.25], [-68.75, -20.0], [-68.53, -19.47]]]]}, "2012-12-07T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-68.53, -21.03], [-68.75, -20.5], [-68.53, -19.97], [-68.0, -19.75], [-67.75, -19.85], [-67.5, -19.75], [-67.25, -19.85], [-67.0, -19.75], [-66.75, -19.85], [-66.68, -19.82], [-66.65, -19.75], [-66.68, -19.68], [-67.03, -19.53], [-67.25, -19.0], [-67.15, -18.75], [-67.25, -18.5], [-67.03, -17.97], [-66.5, -17.75], [-65.97, -17.97], [-65.82, -18.32], [-65.75, -18.35], [-65.5, -18.25], [-64.97, -18.47], [-64.75, -19.0], [-64.85, -19.25], [-64.75, -19.5], [-64.85, -19.75], [-64.75, -20.0], [-64.97, -20.53], [-65.5, -20.75], [-65.75, -20.65], [-65.82, -20.68], [-65.85, -20.75], [-65.75, -21.0], [-65.97, -21.53], [-66.5, -21.75], [-66.75, -21.65], [-67.0, -21.75], [-67.53, -21.53], [-67.68, -21.18], [-67.75, -21.15], [-68.0, -21.25], [-68.53, -21.03]]]]}}}, "max_amp": {"name": "Maximum anomaly amplitude", "description": "Maximum t2m anomaly recorded over entire duration", "value": 7.246749330997034}, "mean_amp": {"name": "Mean anomaly amplitude", "description": "Mean t2m anomaly over entire duration", "value": 3.5372131137757656}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [18.440587217129007, 23.958990300233097, 20.382447805896618, 19.890887805683292, 20.741975776006825, 14.098557042683808]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [25.234340003381817, 32.37827615005284, 32.28292400822744, 31.607984525210895, 33.10036779111505, 16.38580095207709]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [3.081631445067785, 4.117370846441707, 3.424962591605509, 3.1626999577219004, 4.050991703796673, 2.6792672980140333]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [3.591058280725406, 5.767602114728675, 5.745667172587275, 4.8588362956675155, 7.246749330997034, 3.5261666491414303]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.4768806990672245, 1.6923718599915234, 1.5986285034684997, 1.5368281120426956, 1.9654077276534723, 1.7014013990109536]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [1.7147992115720267, 1.9872194740292464, 1.9015461921865804, 2.0619207840559954, 2.4711930711237304, 2.435393450671165]}}