{"version_information": {"version": "det_AHW_tail10.0_v1.1", "compiled_date": "2026-07-16 09:03:33.444367", "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": "2015-Jul-27_to_2015-Aug-04_307.0_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": 2015070002958}, "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": "July 27 2015"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "August 04 2015"}, "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": 58657.87800232344}, "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", "French Guiana", "Suriname"]}, "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": 307.0}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "307.0\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 305.25}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 309.25}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": 0.75}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": 4.25}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2015-07-27T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-53.0, 4.25], [-52.47, 4.03], [-52.32, 3.68], [-52.25, 3.65], [-52.0, 3.75], [-51.47, 3.53], [-51.25, 3.0], [-51.37, 2.7], [-50.97, 2.53], [-50.82, 2.18], [-50.47, 2.03], [-50.25, 1.5], [-50.47, 0.97], [-50.82, 0.82], [-50.97, 0.47], [-51.5, 0.25], [-51.75, 0.35], [-52.0, 0.25], [-52.53, 0.47], [-52.75, 1.0], [-52.53, 1.53], [-52.18, 1.68], [-52.15, 1.75], [-52.25, 2.0], [-52.12, 2.3], [-52.25, 2.35], [-52.5, 2.25], [-52.75, 2.35], [-53.0, 2.25], [-53.25, 2.35], [-53.5, 2.25], [-54.03, 2.47], [-54.25, 3.0], [-54.03, 3.53], [-53.68, 3.68], [-53.53, 4.03], [-53.0, 4.25]]]]}, "2015-07-28T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-53.0, 4.25], [-52.75, 4.15], [-52.5, 4.25], [-51.97, 4.03], [-51.82, 3.68], [-51.47, 3.53], [-51.25, 3.0], [-51.35, 2.75], [-51.32, 2.68], [-50.97, 2.53], [-50.82, 2.18], [-50.47, 2.03], [-50.25, 1.5], [-50.47, 0.97], [-50.82, 0.82], [-50.97, 0.47], [-51.5, 0.25], [-51.75, 0.35], [-52.0, 0.25], [-52.53, 0.47], [-52.75, 1.0], [-52.53, 1.53], [-52.18, 1.68], [-52.15, 1.75], [-52.18, 1.82], [-52.25, 1.85], [-52.5, 1.75], [-53.03, 1.97], [-53.18, 2.32], [-53.25, 2.35], [-53.5, 2.25], [-54.03, 2.47], [-54.25, 3.0], [-54.03, 3.53], [-53.68, 3.68], [-53.53, 4.03], [-53.0, 4.25]]]]}, "2015-07-29T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-53.0, 4.25], [-52.75, 4.15], [-52.5, 4.25], [-51.97, 4.03], [-51.82, 3.68], [-51.47, 3.53], [-51.25, 3.0], [-51.35, 2.75], [-51.32, 2.68], [-50.97, 2.53], [-50.82, 2.18], [-50.47, 2.03], [-50.25, 1.5], [-50.47, 0.97], [-50.82, 0.82], [-50.97, 0.47], [-51.5, 0.25], [-51.75, 0.35], [-52.0, 0.25], [-52.53, 0.47], [-52.75, 1.0], [-52.53, 1.53], [-52.18, 1.68], [-52.15, 1.75], [-52.18, 1.82], [-52.25, 1.85], [-52.5, 1.75], [-53.03, 1.97], [-53.18, 2.32], [-53.25, 2.35], [-53.5, 2.25], [-54.03, 2.47], [-54.25, 3.0], [-54.03, 3.53], [-53.68, 3.68], [-53.53, 4.03], [-53.0, 4.25]]]]}, "2015-07-30T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-53.75, 3.0], [-53.53, 3.53], [-53.18, 3.68], [-53.03, 4.03], [-52.5, 4.25], [-51.97, 4.03], [-51.82, 3.68], [-51.47, 3.53], [-51.25, 3.0], [-51.35, 2.75], [-51.25, 2.5], [-51.47, 1.97], [-52.0, 1.75], [-52.25, 1.85], [-52.5, 1.75], [-53.03, 1.97], [-53.18, 2.32], [-53.53, 2.47], [-53.75, 3.0]]]]}, "2015-07-31T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-55.03, 2.97], [-55.25, 3.5], [-55.03, 4.03], [-54.5, 4.25], [-54.0, 4.04], [-53.5, 4.25], [-53.25, 4.15], [-53.0, 4.25], [-52.75, 4.15], [-52.5, 4.25], [-51.97, 4.03], [-51.82, 3.68], [-51.47, 3.53], [-51.25, 3.0], [-51.35, 2.75], [-51.25, 2.5], [-51.47, 1.97], [-52.0, 1.75], [-52.25, 1.85], [-52.5, 1.75], [-53.03, 1.97], [-53.18, 2.32], [-53.53, 2.47], [-53.68, 2.82], [-54.0, 2.96], [-54.5, 2.75], [-55.03, 2.97]]]]}, "2015-08-01T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-55.03, 4.03], [-54.68, 4.18], [-54.53, 4.53], [-54.0, 4.75], [-53.47, 4.53], [-53.32, 4.18], [-53.25, 4.15], [-53.0, 4.25], [-52.75, 4.15], [-52.5, 4.25], [-51.97, 4.03], [-51.75, 3.5], [-51.97, 2.97], [-52.32, 2.82], [-52.47, 2.47], [-53.0, 2.25], [-53.25, 2.35], [-53.5, 2.25], [-53.75, 2.35], [-54.0, 2.25], [-54.25, 2.35], [-54.5, 2.25], [-55.03, 2.47], [-55.25, 3.0], [-55.15, 3.25], [-55.25, 3.5], [-55.03, 4.03]]]]}, "2015-08-02T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-55.03, 4.03], [-54.68, 4.18], [-54.53, 4.53], [-54.0, 4.75], [-53.47, 4.53], [-53.32, 4.18], [-53.25, 4.15], [-53.0, 4.25], [-52.47, 4.03], [-52.25, 3.5], [-52.35, 3.25], [-52.25, 3.0], [-52.47, 2.47], [-53.0, 2.25], [-53.25, 2.35], [-53.5, 2.25], [-53.75, 2.35], [-54.0, 2.25], [-54.25, 2.35], [-54.5, 2.25], [-55.03, 2.47], [-55.25, 3.0], [-55.15, 3.25], [-55.25, 3.5], [-55.03, 4.03]]]]}, "2015-08-03T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-55.03, 4.03], [-54.68, 4.18], [-54.53, 4.53], [-54.0, 4.75], [-53.47, 4.53], [-53.32, 4.18], [-53.25, 4.15], [-53.0, 4.25], [-52.47, 4.03], [-52.25, 3.5], [-52.35, 3.25], [-52.25, 3.0], [-52.47, 2.47], [-53.0, 2.25], [-53.25, 2.35], [-53.5, 2.25], [-53.75, 2.35], [-54.0, 2.25], [-54.25, 2.35], [-54.5, 2.25], [-55.03, 2.47], [-55.25, 3.0], [-55.15, 3.25], [-55.25, 3.5], [-55.03, 4.03]]]]}, "2015-08-04T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-55.03, 4.03], [-54.5, 4.25], [-53.97, 4.03], [-53.82, 3.68], [-53.47, 3.53], [-53.25, 3.0], [-53.47, 2.47], [-54.0, 2.25], [-54.25, 2.35], [-54.5, 2.25], [-55.03, 2.47], [-55.25, 3.0], [-55.15, 3.25], [-55.25, 3.5], [-55.03, 4.03]]]]}}}, "max_amp": {"name": "Maximum anomaly amplitude", "description": "Maximum t2m anomaly recorded over entire duration", "value": 1.7462587204213946}, "mean_amp": {"name": "Mean anomaly amplitude", "description": "Mean t2m anomaly over entire duration", "value": 1.1870291869700418}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [26.448351091418772, 26.716845543510374, 26.77473015314615, 26.429925578981965, 26.72825132536184, 26.93863869258803, 26.756457870967665, 27.262629557584603, 27.246756967338058]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [26.802680186951704, 27.229529569464773, 27.132325420746668, 26.566993415402123, 27.01714516233403, 27.68551671990923, 27.210428855858368, 27.68744490428776, 27.54844796082631]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [0.9436114057634313, 1.2024755816347885, 1.2454823498540928, 0.9535724989841393, 1.2078389671665377, 1.2682696289796695, 1.038334125050009, 1.5190798484895884, 1.261806138165639]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [1.0995372684390645, 1.5256560620897517, 1.4397178164227853, 0.9960904309469356, 1.2915899614259843, 1.7462587204213946, 1.239471305801601, 1.7030978469380784, 1.537233328564298]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.501629173083175, 1.9362627223905926, 1.9497057495226615, 1.50570033357316, 1.8223005295171504, 1.799101786364592, 1.509823163713891, 2.269562906203938, 1.8153545111564533]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [1.695832877899536, 2.5582817245611786, 2.189801514108742, 1.5861099834661843, 2.077537106421072, 2.2298004052251454, 1.7152199406231592, 2.5355731408196696, 2.0873155817304734]}}