{"version_information": {"version": "det_AHW_tail10.0_v1.1", "compiled_date": "2026-07-16 09:07:10.586843", "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": "2017-Jan-17_to_2017-Jan-22_323.5_-5.5"}, "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": 2017010002001}, "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 17 2017"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "January 22 2017"}, "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": 52204.923207303844}, "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.E.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": -5.5}, "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": 323.5}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "323.5\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 321.75}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 323.75}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": -8.25}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": -4.75}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2017-01-17T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-36.5, -4.75], [-35.97, -4.97], [-35.75, -5.5], [-35.97, -6.03], [-36.5, -6.25], [-37.03, -6.03], [-37.25, -5.5], [-37.03, -4.97], [-36.5, -4.75]]]]}, "2017-01-18T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-37.75, -5.5], [-37.53, -4.97], [-37.0, -4.75], [-36.75, -4.85], [-36.5, -4.75], [-35.97, -4.97], [-35.75, -5.5], [-35.85, -5.75], [-35.75, -6.0], [-35.85, -6.25], [-35.75, -6.5], [-35.97, -7.03], [-36.5, -7.25], [-36.75, -7.15], [-37.0, -7.25], [-37.25, -7.15], [-37.5, -7.25], [-38.03, -7.03], [-38.25, -6.5], [-38.03, -5.97], [-37.68, -5.82], [-37.65, -5.75], [-37.75, -5.5]]]]}, "2017-01-19T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-38.53, -6.47], [-38.18, -6.32], [-38.15, -6.25], [-38.25, -6.0], [-38.15, -5.75], [-38.25, -5.5], [-38.15, -5.25], [-38.25, -5.0], [-38.03, -4.47], [-37.5, -4.25], [-36.97, -4.47], [-36.82, -4.82], [-36.75, -4.85], [-36.5, -4.75], [-35.97, -4.97], [-35.75, -5.5], [-35.85, -5.75], [-35.75, -6.0], [-35.85, -6.25], [-35.75, -6.5], [-35.97, -7.03], [-36.32, -7.18], [-36.35, -7.25], [-36.25, -7.5], [-36.35, -7.75], [-36.25, -8.0], [-36.47, -8.53], [-37.0, -8.75], [-37.53, -8.53], [-37.68, -8.18], [-37.75, -8.15], [-38.0, -8.25], [-38.53, -8.03], [-38.75, -7.5], [-38.65, -7.25], [-38.75, -7.0], [-38.53, -6.47]]]]}, "2017-01-20T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-38.53, -6.47], [-38.18, -6.32], [-38.15, -6.25], [-38.25, -6.0], [-38.15, -5.75], [-38.25, -5.5], [-38.15, -5.25], [-38.25, -5.0], [-38.03, -4.47], [-37.5, -4.25], [-36.97, -4.47], [-36.82, -4.82], [-36.75, -4.85], [-36.5, -4.75], [-35.97, -4.97], [-35.75, -5.5], [-35.85, -5.75], [-35.75, -6.0], [-35.85, -6.25], [-35.75, -6.5], [-35.97, -7.03], [-36.32, -7.18], [-36.35, -7.25], [-36.25, -7.5], [-36.35, -7.75], [-36.25, -8.0], [-36.47, -8.53], [-37.0, -8.75], [-37.53, -8.53], [-37.68, -8.18], [-37.75, -8.15], [-38.0, -8.25], [-38.53, -8.03], [-38.75, -7.5], [-38.65, -7.25], [-38.75, -7.0], [-38.53, -6.47]]]]}, "2017-01-21T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-38.53, -6.47], [-38.18, -6.32], [-38.15, -6.25], [-38.25, -6.0], [-38.15, -5.75], [-38.25, -5.5], [-38.15, -5.25], [-38.25, -5.0], [-38.03, -4.47], [-37.5, -4.25], [-36.97, -4.47], [-36.82, -4.82], [-36.75, -4.85], [-36.5, -4.75], [-35.97, -4.97], [-35.75, -5.5], [-35.85, -5.75], [-35.75, -6.0], [-35.85, -6.25], [-35.75, -6.5], [-35.97, -7.03], [-36.32, -7.18], [-36.35, -7.25], [-36.25, -7.5], [-36.35, -7.75], [-36.25, -8.0], [-36.47, -8.53], [-37.0, -8.75], [-37.53, -8.53], [-37.68, -8.18], [-37.75, -8.15], [-38.0, -8.25], [-38.53, -8.03], [-38.75, -7.5], [-38.65, -7.25], [-38.75, -7.0], [-38.53, -6.47]]]]}, "2017-01-22T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-38.75, -7.0], [-38.53, -6.47], [-38.18, -6.32], [-38.04, -6.0], [-38.25, -5.5], [-38.03, -4.97], [-37.5, -4.75], [-36.97, -4.97], [-36.75, -5.5], [-36.96, -6.0], [-36.75, -6.5], [-36.85, -6.75], [-36.82, -6.82], [-36.47, -6.97], [-36.25, -7.5], [-36.35, -7.75], [-36.25, -8.0], [-36.47, -8.53], [-37.0, -8.75], [-37.53, -8.53], [-37.68, -8.18], [-38.03, -8.03], [-38.18, -7.68], [-38.53, -7.53], [-38.75, -7.0]]]]}}}, "max_amp": {"name": "Maximum anomaly amplitude", "description": "Maximum t2m anomaly recorded over entire duration", "value": 3.928336231429057}, "mean_amp": {"name": "Mean anomaly amplitude", "description": "Mean t2m anomaly over entire duration", "value": 2.041631637506254}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [29.762163156043698, 29.7718442603786, 29.840375167015054, 29.71043762379901, 29.88162930069342, 29.361587471624773]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [29.762163156043698, 30.92501525972625, 31.64200970118253, 31.981243500019673, 31.832009605986457, 31.02953167183159]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [1.2007452529348939, 1.590254540632665, 2.041683828561949, 2.037782532288264, 2.293069450115093, 2.011721750234147]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [1.2007452529348939, 1.8455612486648647, 3.0946653311715977, 3.4389907223694536, 3.928336231429057, 2.6240197061301274]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.3131704120721748, 1.4970870352992418, 1.6229332080527414, 1.5369450426288915, 1.6802316861346747, 1.3695350936201538]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [1.3131704120721748, 1.8138325391979564, 1.9859093471175253, 1.8466392797473719, 2.0856453391217027, 1.6081486447965312]}}