{"version_information": {"version": "det_AHW_tail10.0_v1.1", "compiled_date": "2026-07-16 09:19:36.154484", "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-17_to_2019-Apr-21_305.5_-14.5"}, "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": 2019040002040}, "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 17 2019"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "April 21 2019"}, "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": 80839.92102657731}, "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": ["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": -14.5}, "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": 305.5}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "305.5\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 303.25}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 307.75}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": -16.25}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": -13.25}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2019-04-17T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-56.53, -12.97], [-56.0, -12.75], [-55.47, -12.97], 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[-53.5, -15.25], [-53.75, -15.15], [-53.82, -15.18], [-53.97, -15.53], [-54.5, -15.75], [-55.03, -15.53], [-55.18, -15.18], [-55.25, -15.15], [-55.5, -15.25], [-56.03, -15.03], [-56.18, -14.68], [-56.53, -14.53], [-56.68, -14.18], [-57.03, -14.03], [-57.25, -13.5]]]]}, "2019-04-19T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-57.25, -13.5], [-57.03, -12.97], [-56.5, -12.75], [-56.25, -12.85], [-56.0, -12.75], [-55.75, -12.85], [-55.5, -12.75], [-55.25, -12.85], [-55.0, -12.75], [-54.75, -12.85], [-54.5, -12.75], [-54.25, -12.85], [-54.0, -12.75], [-53.75, -12.85], [-53.5, -12.75], [-53.25, -12.85], [-53.0, -12.75], [-52.47, -12.97], [-52.25, -13.5], [-52.47, -14.03], [-52.82, -14.18], [-52.85, -14.25], [-52.75, -14.5], [-52.85, -14.75], [-52.82, -14.82], [-52.75, -14.85], [-52.5, -14.75], [-51.97, -14.97], [-51.75, -15.5], [-51.85, -15.75], [-51.75, -16.0], [-51.97, -16.53], [-52.5, -16.75], [-52.75, -16.65], [-53.0, -16.75], [-53.53, -16.53], [-53.7, -16.12], [-54.0, -16.25], [-54.53, -16.03], [-54.68, -15.68], [-55.03, -15.53], [-55.18, -15.18], [-55.25, -15.15], [-55.5, -15.25], [-56.03, -15.03], [-56.18, -14.68], [-56.53, -14.53], [-56.68, -14.18], [-57.03, -14.03], [-57.25, -13.5]]]]}, "2019-04-20T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-57.25, -13.5], [-57.03, -12.97], [-56.5, -12.75], [-56.25, -12.85], [-56.0, -12.75], [-55.75, -12.85], [-55.5, -12.75], [-55.25, -12.85], [-55.0, -12.75], [-54.75, -12.85], [-54.5, -12.75], [-54.25, -12.85], [-54.0, -12.75], [-53.75, -12.85], [-53.5, -12.75], [-53.25, -12.85], [-53.0, -12.75], [-52.47, -12.97], [-52.25, -13.5], [-52.47, -14.03], [-52.82, -14.18], [-52.85, -14.25], [-52.75, -14.5], [-52.85, -14.75], [-52.82, -14.82], [-52.75, -14.85], [-52.5, -14.75], [-51.97, -14.97], [-51.75, -15.5], [-51.85, -15.75], [-51.75, -16.0], [-51.97, -16.53], [-52.5, -16.75], [-52.75, -16.65], [-53.0, -16.75], [-53.53, -16.53], [-53.7, -16.12], [-54.0, -16.25], [-54.53, -16.03], 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recorded over entire duration", "value": 2.5703858457837327}, "mean_amp": {"name": "Mean anomaly amplitude", "description": "Mean t2m anomaly over entire duration", "value": 1.832295633858365}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [26.6713158900713, 26.715233751192272, 26.927650605922793, 26.96510106610475, 26.9050297993179]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [27.056422900096607, 27.524138166388468, 27.898356323946985, 27.81772368226308, 28.044689636632597]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [1.620204717207662, 1.7282611238461716, 1.9171549093705107, 1.9223439165063876, 1.7186552664110588]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [1.7106490545499469, 2.051360741073495, 2.5703858457837327, 2.218354123733434, 2.0404541438401225]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.286597139000968, 1.463879237602988, 1.5479910843558062, 1.5322866027184157, 1.4129966102269749]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [1.372520176067897, 1.804272353205521, 1.783479380164753, 1.7618916787651508, 1.6947404142933455]}}