{"version_information": {"version": "det_AHW_tail10.0_v1.1", "compiled_date": "2026-07-16 08:55:37.972200", "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": "2014-Jan-16_to_2014-Jan-19_304.0_-9.0"}, "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": 2014010002101}, "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": "January 16 2014"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "January 19 2014"}, "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": 88756.65766100575}, "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", "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": -9.0}, "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": 304.0}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "304.0\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 302.25}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 306.25}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": -9.75}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": -5.75}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2014-01-16T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-58.15, -8.75], [-58.25, -8.5], [-58.03, -7.97], [-57.5, -7.75], [-57.0, -7.96], [-56.68, -7.82], [-56.54, -7.5], [-56.75, -7.0], [-56.53, -6.47], [-56.0, -6.25], [-55.75, -6.35], [-55.62, -6.3], [-55.75, -6.0], [-55.53, -5.47], [-55.0, -5.25], [-54.75, -5.35], [-54.5, -5.25], [-54.25, -5.35], [-54.0, -5.25], [-53.47, -5.47], [-53.25, -6.0], [-53.47, -6.53], [-53.82, -6.68], [-53.85, -6.75], [-53.82, -6.82], [-53.47, -6.97], [-53.25, -7.5], [-53.47, -8.03], [-53.82, -8.18], [-53.97, -8.53], [-54.32, -8.68], [-54.47, -9.03], [-54.82, -9.18], [-54.97, -9.53], [-55.5, -9.75], [-55.75, -9.65], [-56.0, -9.75], [-56.25, -9.65], [-56.32, -9.68], [-56.47, -10.03], [-57.0, -10.25], [-57.25, -10.15], [-57.5, -10.25], [-58.03, -10.03], [-58.25, -9.5], [-58.15, -9.25], [-58.25, -9.0], [-58.15, -8.75]]]]}, "2014-01-17T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-58.15, -8.75], [-58.25, -8.5], [-58.03, -7.97], [-57.5, -7.75], [-57.0, -7.96], [-56.68, -7.82], [-56.54, -7.5], [-56.75, -7.0], [-56.53, -6.47], [-56.0, -6.25], [-55.75, -6.35], [-55.62, -6.3], [-55.75, -6.0], [-55.53, -5.47], [-55.0, -5.25], [-54.75, -5.35], [-54.5, -5.25], [-54.25, -5.35], [-54.0, -5.25], [-53.47, -5.47], [-53.25, -6.0], [-53.35, -6.25], [-53.25, -6.5], [-53.46, -7.0], [-53.25, -7.5], [-53.47, -8.03], [-53.82, -8.18], [-53.97, -8.53], [-54.32, -8.68], [-54.35, -8.75], [-54.25, -9.0], [-54.47, -9.53], [-55.0, -9.75], [-55.25, -9.65], [-55.32, -9.68], [-55.47, -10.03], [-56.0, -10.25], [-56.5, -10.04], [-57.0, -10.25], [-57.25, -10.15], [-57.5, -10.25], [-58.03, -10.03], [-58.25, -9.5], [-58.15, -9.25], [-58.25, -9.0], [-58.15, -8.75]]]]}, "2014-01-18T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-58.15, -8.75], [-58.25, -8.5], [-58.03, -7.97], [-57.5, -7.75], [-57.0, -7.96], [-56.68, -7.82], [-56.54, -7.5], [-56.75, -7.0], [-56.53, -6.47], [-56.0, -6.25], [-55.75, -6.35], [-55.62, -6.3], [-55.75, -6.0], [-55.53, -5.47], [-55.0, -5.25], [-54.75, -5.35], [-54.5, -5.25], [-54.25, -5.35], [-54.0, -5.25], [-53.47, 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"max_amp": {"name": "Maximum anomaly amplitude", "description": "Maximum t2m anomaly recorded over entire duration", "value": 2.4886690913460825}, "mean_amp": {"name": "Mean anomaly amplitude", "description": "Mean t2m anomaly over entire duration", "value": 1.6046474055572053}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [26.08560192088453, 26.457969772955153, 25.91414646656466, 25.62326506328486]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [26.729443545770266, 27.144472118886085, 26.631633372942304, 26.187639555512703]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [1.5466428864072488, 1.9397370708419077, 1.3928515628771756, 1.1911667340298777]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [1.9975817997244008, 2.4886690913460825, 1.8580057121041023, 1.3250602436636996]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.6302475778636665, 2.077111369182873, 1.5255579196985096, 1.3425734273529903]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [2.2609898956637684, 2.645160513826145, 2.153534255696744, 1.4478847168775857]}}