{"version_information": {"version": "det_AHW_tail10.0_v1.1", "compiled_date": "2026-07-16 09:02:22.196610", "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-Feb-11_to_2015-Feb-14_312.5_-12.5"}, "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": 2015020001763}, "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": "February 11 2015"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "February 14 2015"}, "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": 51209.51977097265}, "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": -12.5}, "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": 312.5}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "312.5\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 310.25}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 313.25}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": -14.25}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": -11.25}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2015-02-11T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-48.0, -10.75], [-47.47, -10.97], [-47.32, -11.32], [-46.97, -11.47], [-46.82, -11.82], [-46.47, -11.97], [-46.25, -12.5], [-46.47, -13.03], [-47.0, -13.25], [-47.25, -13.15], [-47.5, -13.25], [-48.03, -13.03], [-48.2, -12.62], [-48.5, -12.75], [-49.03, -12.53], [-49.25, -12.0], [-49.03, -11.47], [-48.68, -11.32], [-48.53, -10.97], [-48.0, -10.75]]]]}, "2015-02-12T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-49.75, -12.5], [-49.53, -11.97], [-49.18, -11.82], [-49.03, -11.47], [-48.68, -11.32], [-48.53, -10.97], [-48.0, -10.75], [-47.47, -10.97], [-47.32, -11.32], [-46.97, -11.47], [-46.82, -11.82], [-46.47, -11.97], [-46.25, -12.5], [-46.35, -12.75], [-46.25, -13.0], [-46.47, -13.53], [-47.0, -13.75], [-47.25, -13.65], [-47.32, -13.68], [-47.47, -14.03], [-47.82, -14.18], [-47.97, -14.53], [-48.5, -14.75], [-48.75, -14.65], [-49.0, -14.75], [-49.25, -14.65], [-49.5, -14.75], [-50.03, -14.53], [-50.25, -14.0], [-50.03, -13.47], [-49.68, -13.32], [-49.54, -13.0], [-49.75, -12.5]]]]}, "2015-02-13T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-49.75, -12.5], [-49.53, -11.97], [-49.18, -11.82], [-49.03, -11.47], [-48.68, -11.32], [-48.53, -10.97], [-48.0, -10.75], [-47.47, -10.97], [-47.32, -11.32], [-46.97, -11.47], [-46.82, -11.82], [-46.47, -11.97], [-46.25, -12.5], [-46.35, -12.75], [-46.25, -13.0], [-46.47, -13.53], [-47.0, -13.75], [-47.25, -13.65], [-47.32, -13.68], [-47.47, -14.03], [-47.82, -14.18], [-47.97, -14.53], [-48.5, -14.75], [-48.75, -14.65], [-49.0, -14.75], [-49.25, -14.65], [-49.5, -14.75], [-50.03, -14.53], [-50.25, -14.0], [-50.03, -13.47], [-49.68, -13.32], [-49.54, -13.0], [-49.75, -12.5]]]]}, "2015-02-14T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-49.75, -12.5], [-49.53, -11.97], [-49.0, -11.75], [-48.5, -11.96], [-48.0, -11.75], [-47.75, -11.85], [-47.5, -11.75], [-46.97, -11.97], [-46.82, -12.32], [-46.47, -12.47], [-46.25, -13.0], [-46.47, -13.53], [-47.0, -13.75], [-47.25, -13.65], [-47.32, -13.68], [-47.47, -14.03], [-47.82, -14.18], [-47.97, -14.53], [-48.5, -14.75], [-48.75, -14.65], [-49.0, -14.75], [-49.25, -14.65], [-49.5, -14.75], [-50.03, -14.53], [-50.25, -14.0], [-50.03, -13.47], [-49.68, -13.32], [-49.54, -13.0], [-49.75, -12.5]]]]}}}, "max_amp": {"name": "Maximum anomaly amplitude", "description": "Maximum t2m anomaly recorded over entire duration", "value": 3.1018833996482726}, "mean_amp": {"name": "Mean anomaly amplitude", "description": "Mean t2m anomaly over entire duration", "value": 2.2780001183066614}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [28.140224135943413, 27.839183701199943, 27.982522495190153, 27.90249649113423]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [28.28905514216831, 28.496444916393443, 29.006618133042423, 28.8092179612392]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [2.049634298649482, 2.181655158954992, 2.335226351985592, 2.416988382516081]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [2.281807555802459, 2.5360381393327884, 2.879507097721671, 3.1018833996482726]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.395896965645737, 1.47665837223528, 1.5912410189955495, 1.63977100258834]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [1.504841741811403, 1.7171326329211023, 1.9266737094286543, 1.9603052851712555]}}