{"version_information": {"version": "det_AHW_tail10.0_v1.1", "compiled_date": "2026-07-16 09:20:24.185935", "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-Aug-20_to_2019-Aug-22_318.5_-6.5"}, "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": 2019080002454}, "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": "August 20 2019"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "August 22 2019"}, "duration": {"name": "Duration", "description": "Time elapsed (days) from the start date to the end date", "value": 3}, "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": 76590.50624176997}, "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": -6.5}, "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": 318.5}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "318.5\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 314.75}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 320.25}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": -8.75}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": -6.25}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2019-08-20T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-45.75, -8.0], [-45.53, -7.47], [-45.0, -7.25], [-44.75, -7.35], [-44.68, -7.32], [-44.53, -6.97], [-44.0, -6.75], [-43.75, -6.85], [-43.68, -6.82], [-43.53, -6.47], [-43.0, -6.25], [-42.47, -6.47], [-42.32, -6.82], [-42.25, -6.85], [-42.18, -6.82], [-42.15, -6.75], [-42.25, -6.5], [-42.03, -5.97], [-41.5, -5.75], [-41.0, -5.96], [-40.5, -5.75], [-40.25, -5.85], [-40.0, -5.75], [-39.47, -5.97], [-39.25, -6.5], [-39.47, -7.03], [-40.0, -7.25], [-40.25, -7.15], [-40.32, -7.18], [-40.35, -7.25], [-40.25, -7.5], [-40.35, -7.75], [-40.25, -8.0], [-40.47, -8.53], [-41.0, -8.75], [-41.25, -8.65], [-41.5, -8.75], [-41.75, -8.65], [-42.0, -8.75], [-42.25, -8.65], [-42.5, -8.75], [-42.75, -8.65], [-42.82, -8.68], [-42.97, -9.03], [-43.5, -9.25], [-43.75, -9.15], [-44.0, -9.25], [-44.25, -9.15], [-44.5, -9.25], [-45.03, -9.03], [-45.18, -8.68], [-45.53, -8.53], [-45.75, -8.0]]]]}, "2019-08-21T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-45.75, -8.0], [-45.53, -7.47], [-45.0, -7.25], [-44.75, -7.35], [-44.68, -7.32], [-44.53, -6.97], [-44.0, -6.75], [-43.75, -6.85], [-43.68, -6.82], [-43.53, -6.47], [-43.0, -6.25], [-42.47, -6.47], [-42.32, -6.82], [-42.25, -6.85], [-42.18, -6.82], [-42.15, -6.75], [-42.25, -6.5], [-42.03, -5.97], [-41.5, -5.75], [-41.0, -5.96], [-40.5, -5.75], [-40.25, -5.85], [-40.0, -5.75], [-39.47, -5.97], [-39.25, -6.5], [-39.47, -7.03], [-40.0, -7.25], [-40.25, -7.15], [-40.32, -7.18], [-40.35, -7.25], [-40.25, -7.5], [-40.35, -7.75], [-40.25, -8.0], [-40.47, -8.53], [-41.0, -8.75], [-41.25, -8.65], [-41.5, -8.75], [-41.75, -8.65], [-42.0, -8.75], [-42.25, -8.65], [-42.5, -8.75], [-42.75, -8.65], [-42.82, -8.68], [-42.97, -9.03], [-43.5, -9.25], [-43.75, -9.15], [-44.0, -9.25], [-44.25, -9.15], [-44.5, -9.25], [-45.03, -9.03], [-45.18, -8.68], [-45.53, -8.53], [-45.75, -8.0]]]]}, "2019-08-22T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-45.75, -8.0], [-45.53, -7.47], [-45.0, -7.25], [-44.75, -7.35], [-44.68, -7.32], [-44.53, -6.97], [-44.0, -6.75], [-43.75, -6.85], [-43.68, -6.82], [-43.53, -6.47], [-43.0, -6.25], [-42.47, -6.47], [-42.32, -6.82], [-42.25, -6.85], [-42.18, -6.82], [-42.15, -6.75], [-42.25, -6.5], [-42.03, -5.97], [-41.5, -5.75], [-41.0, -5.96], [-40.5, -5.75], [-40.25, -5.85], [-40.0, -5.75], [-39.47, -5.97], [-39.25, -6.5], [-39.47, -7.03], [-40.0, -7.25], [-40.25, -7.15], [-40.32, -7.18], [-40.35, -7.25], [-40.25, -7.5], [-40.35, -7.75], [-40.25, -8.0], [-40.47, -8.53], [-41.0, -8.75], [-41.25, -8.65], [-41.5, -8.75], [-41.75, -8.65], [-42.0, -8.75], [-42.25, -8.65], [-42.5, -8.75], [-42.75, -8.65], [-42.82, -8.68], [-42.97, -9.03], [-43.5, -9.25], [-43.75, -9.15], [-44.0, -9.25], [-44.25, -9.15], [-44.5, -9.25], [-45.03, -9.03], [-45.18, -8.68], [-45.53, -8.53], [-45.75, -8.0]]]]}}}, "max_amp": {"name": "Maximum anomaly amplitude", "description": "Maximum t2m anomaly recorded over entire duration", "value": 2.5906415958410776}, "mean_amp": {"name": "Mean anomaly amplitude", "description": "Mean t2m anomaly over entire duration", "value": 2.037473301110368}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [29.73773091638469, 29.898195794583046, 29.896243448616417]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [31.09584862498025, 31.412647523301246, 31.499538559717507]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [2.0134672144288834, 2.1049892353819293, 1.9939634535202913]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [2.387874212936822, 2.443220191373598, 2.5906415958410776]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.6261960905171091, 1.729172761276243, 1.690595830565087]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [1.8179567326032378, 2.0895192007288634, 2.003958659124906]}}