{"version_information": {"version": "det_AHW_tail10.0_v1.1", "compiled_date": "2026-07-16 08:48:26.535602", "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": "2011-Sep-03_to_2011-Sep-11_293.0_-9.5"}, "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": 2011090001730}, "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": "September 03 2011"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "September 11 2011"}, "duration": {"name": "Duration", "description": "Time elapsed (days) from the start date to the end date", "value": 9}, "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": 128143.36854448769}, "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": ["Bolivia", "Brazil"]}, "IPCC_regions": {"name": "IPCC regions", "description": "List of all IPCC regions affected", "value": ["N.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": -9.5}, "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": 293.0}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "293.0\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 288.75}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 295.25}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": -12.25}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": -6.75}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2011-09-03T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-67.03, -11.03], [-67.25, -10.5], [-67.03, -9.97], [-66.5, -9.75], [-65.97, -9.97], [-65.75, -10.5], [-65.97, -11.03], [-66.5, -11.25], [-67.03, -11.03]]], [[[-71.0, -7.25], [-70.47, -7.47], [-70.32, -7.82], [-69.97, -7.97], [-69.75, -8.5], [-69.85, -8.75], [-69.75, -9.0], [-69.97, -9.53], [-70.5, -9.75], [-71.03, -9.53], [-71.18, -9.18], [-71.53, -9.03], [-71.75, -8.5], [-71.65, -8.25], [-71.75, -8.0], [-71.53, -7.47], [-71.0, -7.25]]]]}, "2011-09-04T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-71.53, -7.47], [-71.0, -7.25], [-70.75, -7.35], [-70.5, -7.25], [-70.25, -7.35], [-70.18, -7.32], [-70.03, -6.97], [-69.68, -6.82], [-69.53, -6.47], [-69.0, -6.25], [-68.47, -6.47], [-68.32, -6.82], [-67.97, -6.97], [-67.82, -7.32], [-67.47, -7.47], [-67.32, -7.82], [-66.97, -7.97], [-66.82, -8.32], [-66.75, -8.35], [-66.5, -8.25], [-65.97, -8.47], [-65.82, -8.82], [-65.47, -8.97], [-65.32, -9.32], [-65.25, -9.35], [-65.0, -9.25], [-64.47, -9.47], [-64.25, -10.0], [-64.47, -10.53], [-64.82, -10.68], [-64.97, -11.03], [-65.32, -11.18], [-65.46, -11.5], [-65.25, -12.0], [-65.47, -12.53], [-66.0, -12.75], [-66.25, -12.65], [-66.5, -12.75], [-67.03, -12.53], [-67.25, -12.0], [-67.15, -11.75], [-67.25, -11.5], [-67.04, -11.0], [-67.18, -10.68], [-67.25, -10.65], [-67.5, -10.75], [-68.03, -10.53], [-68.18, -10.18], [-68.53, -10.03], [-68.68, -9.68], [-69.03, -9.53], [-69.18, -9.18], [-69.53, -9.03], [-69.68, -8.68], [-69.75, -8.65], [-69.82, -8.68], [-69.85, -8.75], [-69.75, -9.0], [-69.97, -9.53], [-70.5, -9.75], [-71.03, -9.53], [-71.18, -9.18], [-71.53, -9.03], [-71.75, -8.5], [-71.65, -8.25], [-71.75, -8.0], [-71.53, -7.47]]]]}, "2011-09-05T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-71.53, -7.47], [-71.0, -7.25], [-70.75, -7.35], [-70.5, -7.25], [-70.25, -7.35], [-70.18, -7.32], [-70.03, -6.97], [-69.68, -6.82], [-69.53, -6.47], [-69.0, -6.25], [-68.47, -6.47], [-68.32, -6.82], [-67.97, -6.97], [-67.82, -7.32], [-67.47, -7.47], [-67.32, -7.82], [-67.25, -7.85], [-67.0, -7.75], [-66.47, -7.97], [-66.32, -8.32], [-65.97, -8.47], [-65.82, -8.82], [-65.47, -8.97], [-65.32, -9.32], [-65.25, -9.35], [-65.0, -9.25], [-64.47, -9.47], [-64.25, -10.0], [-64.47, -10.53], [-64.82, -10.68], [-64.97, -11.03], [-65.32, -11.18], [-65.46, -11.5], [-65.25, -12.0], [-65.47, -12.53], [-66.0, -12.75], [-66.25, -12.65], [-66.5, -12.75], [-67.03, -12.53], [-67.25, -12.0], [-67.15, -11.75], [-67.25, -11.5], [-67.04, -11.0], [-67.18, -10.68], [-67.25, -10.65], [-67.5, -10.75], [-68.03, -10.53], [-68.18, -10.18], [-68.53, -10.03], [-68.68, -9.68], [-69.03, -9.53], [-69.18, -9.18], [-69.53, -9.03], [-69.68, -8.68], [-69.75, -8.65], [-69.82, -8.68], [-69.85, -8.75], [-69.75, -9.0], [-69.97, -9.53], [-70.5, -9.75], [-71.03, -9.53], [-71.18, -9.18], [-71.53, -9.03], [-71.75, -8.5], [-71.65, -8.25], [-71.75, -8.0], [-71.53, -7.47]]]]}, "2011-09-06T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-71.03, -7.47], [-70.5, -7.25], [-70.25, -7.35], [-70.18, -7.32], [-70.03, -6.97], [-69.68, -6.82], [-69.53, -6.47], [-69.0, -6.25], [-68.47, -6.47], [-68.32, -6.82], [-67.97, -6.97], [-67.82, -7.32], [-67.47, -7.47], [-67.32, -7.82], [-67.25, -7.85], [-67.0, -7.75], [-66.47, -7.97], [-66.32, -8.32], [-65.97, -8.47], [-65.82, -8.82], [-65.47, -8.97], [-65.32, -9.32], [-65.25, -9.35], [-65.0, -9.25], [-64.47, -9.47], [-64.25, -10.0], [-64.47, -10.53], [-64.82, -10.68], [-64.97, -11.03], [-65.32, -11.18], [-65.46, -11.5], [-65.25, -12.0], [-65.47, -12.53], [-66.0, -12.75], [-66.25, -12.65], [-66.5, -12.75], [-67.03, -12.53], [-67.25, -12.0], [-67.15, -11.75], [-67.25, -11.5], [-67.04, -11.0], [-67.18, -10.68], [-67.25, -10.65], [-67.5, -10.75], [-68.03, -10.53], [-68.18, -10.18], [-68.53, -10.03], [-68.68, -9.68], [-69.03, -9.53], [-69.18, -9.18], [-69.53, -9.03], [-69.68, -8.68], [-69.75, -8.65], [-69.82, -8.68], [-69.97, -9.03], [-70.5, -9.25], [-71.03, -9.03], [-71.25, -8.5], [-71.15, -8.25], [-71.25, -8.0], [-71.03, -7.47]]]]}, "2011-09-07T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-68.75, -9.0], [-68.53, -8.47], [-68.0, -8.25], [-67.75, -8.35], [-67.68, -8.32], [-67.53, -7.97], [-67.0, -7.75], [-66.47, -7.97], [-66.25, -8.5], [-66.47, -9.03], [-66.82, -9.18], [-66.93, -9.43], [-66.5, -9.25], [-65.97, -9.47], [-65.75, -10.0], [-65.97, -10.53], [-66.5, -10.75], [-67.0, -10.54], [-67.5, -10.75], [-68.03, -10.53], [-68.25, -10.0], [-68.12, -9.7], [-68.53, -9.53], [-68.75, -9.0]]]]}, "2011-09-08T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-68.53, -9.53], [-68.75, -9.0], [-68.53, -8.47], [-68.0, -8.25], [-67.75, -8.35], [-67.68, -8.32], [-67.53, -7.97], [-67.0, -7.75], [-66.47, -7.97], [-66.25, -8.5], [-66.37, -8.8], [-65.97, -8.97], [-65.75, -9.5], [-65.85, -9.75], [-65.75, -10.0], [-65.97, -10.53], [-66.5, -10.75], [-67.03, -10.53], [-67.18, -10.18], [-67.53, -10.03], [-67.68, -9.68], [-67.75, -9.65], [-68.0, -9.75], [-68.53, -9.53]]]]}, "2011-09-09T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-68.53, -9.53], [-68.75, -9.0], [-68.53, -8.47], [-68.0, -8.25], [-67.75, -8.35], [-67.68, -8.32], [-67.53, -7.97], [-67.0, -7.75], [-66.47, -7.97], [-66.25, -8.5], [-66.37, -8.8], [-65.97, -8.97], [-65.75, -9.5], [-65.85, -9.75], [-65.75, -10.0], [-65.97, -10.53], [-66.5, -10.75], [-67.03, -10.53], [-67.18, -10.18], [-67.53, -10.03], [-67.68, -9.68], [-67.75, -9.65], [-68.0, -9.75], [-68.53, -9.53]]]]}, "2011-09-10T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-68.25, -9.0], [-68.03, -8.47], [-67.68, -8.32], [-67.53, -7.97], [-67.0, -7.75], [-66.47, -7.97], [-66.25, -8.5], [-66.37, -8.8], [-65.97, -8.97], [-65.75, -9.5], [-65.97, -10.03], [-66.5, -10.25], [-66.75, -10.15], [-67.0, -10.25], [-67.53, -10.03], [-67.68, -9.68], [-68.03, -9.53], [-68.25, -9.0]]]]}, "2011-09-11T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-67.0, -8.75], [-66.47, -8.97], [-66.25, -9.5], [-66.47, -10.03], [-67.0, -10.25], [-67.53, -10.03], [-67.75, -9.5], [-67.53, -8.97], [-67.0, -8.75]]]]}}}, "max_amp": {"name": "Maximum anomaly amplitude", "description": "Maximum t2m anomaly recorded over entire duration", "value": 3.7552566265126757}, "mean_amp": {"name": "Mean anomaly amplitude", "description": "Mean t2m anomaly over entire duration", "value": 2.461059438169792}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [28.049107006606732, 28.66442901168068, 28.99113731083139, 28.800868360901234, 28.793414098713356, 29.00295495229676, 29.92746461138495, 28.969883892622875, 28.828431439364465]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [28.827174084224396, 29.745907768137897, 30.33765053093572, 29.494751078907882, 29.26701262916191, 29.552982338832578, 30.33725760745432, 29.169803359894843, 28.828431439364465]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [1.8928647453940584, 2.3140517679273547, 2.6303554908960898, 2.4193723258422892, 2.2892968761564703, 2.437220045130109, 3.3304243017305453, 2.3261803687605322, 2.169886812833738]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [2.2496272344219506, 3.1253165405805134, 3.7552566265126757, 2.958661928959316, 2.5527454319645244, 2.788438183146866, 3.6334323044908388, 2.445794396050246, 2.169886812833738]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.1808962024470375, 1.3734688317706678, 1.5284778397661063, 1.4015198860125684, 1.2398139646441861, 1.2977593164174601, 1.8216994245679092, 1.2950261359751425, 1.1422622343705993]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [1.2974609530960857, 1.8796779128398833, 1.8821633321281355, 2.0244688162834223, 1.2955436948711758, 1.407652740222104, 1.9224364294059646, 1.4413314358868126, 1.1422622343705993]}}