{"version_information": {"version": "det_AHW_tail10.0_v1.2", "compiled_date": "2026-06-27 18:29:12.026205", "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": "2022-Jan-30_to_2022-Feb-03_321.5_-15.5"}, "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": 2022010002778}, "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 30 2022"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "February 03 2022"}, "duration": {"name": "Duration", "description": "Time elapsed (days) from the start date to the end date", "value": 5}, "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": 56800.28147662649}, "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": ["South Atlantic Ocean"]}, "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": -15.5}, "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": 321.5}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "321.5\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 320.75}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 324.25}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": -16.25}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": -13.25}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2022-01-30T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-39.03, -13.47], [-38.5, -13.25], [-38.25, -13.35], [-38.0, -13.25], [-37.75, -13.35], [-37.68, -13.32], [-37.53, -12.97], [-37.0, -12.75], [-36.47, -12.97], [-36.32, -13.32], [-36.25, -13.35], [-36.0, -13.25], [-35.47, -13.47], [-35.25, -14.0], [-35.47, -14.53], [-36.0, -14.75], [-36.25, -14.65], [-36.32, -14.68], [-36.47, -15.03], [-36.82, -15.18], [-36.97, -15.53], [-37.32, -15.68], [-37.35, -15.75], [-37.25, -16.0], [-37.47, -16.53], [-38.0, -16.75], [-38.53, -16.53], [-38.75, -16.0], [-38.65, -15.75], [-38.75, -15.5], [-38.65, -15.25], [-38.68, -15.18], [-39.03, -15.03], [-39.25, -14.5], [-39.15, -14.25], [-39.25, -14.0], [-39.03, -13.47]]]]}, "2022-01-31T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-39.25, -15.0], [-39.15, -14.75], [-39.25, -14.5], [-39.15, -14.25], [-39.25, -14.0], [-39.03, -13.47], [-38.5, -13.25], [-38.25, -13.35], [-38.0, -13.25], [-37.75, -13.35], [-37.68, -13.32], [-37.53, -12.97], [-37.0, -12.75], [-36.47, -12.97], [-36.32, -13.32], [-36.25, -13.35], [-36.0, -13.25], [-35.47, -13.47], [-35.25, -14.0], [-35.47, -14.53], [-36.0, -14.75], [-36.25, -14.65], [-36.32, -14.68], [-36.47, -15.03], [-36.82, -15.18], [-36.97, -15.53], [-37.32, -15.68], [-37.35, -15.75], [-37.25, -16.0], [-37.47, -16.53], [-38.0, -16.75], [-38.25, -16.65], [-38.5, -16.75], [-38.75, -16.65], [-39.0, -16.75], [-39.53, -16.53], [-39.75, -16.0], [-39.53, -15.47], [-39.18, -15.32], [-39.15, -15.25], [-39.25, -15.0]]]]}, "2022-02-01T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-39.25, -15.0], [-39.15, -14.75], [-39.25, -14.5], [-39.15, -14.25], [-39.25, -14.0], [-39.03, -13.47], [-38.5, -13.25], [-38.25, -13.35], [-38.0, -13.25], [-37.75, -13.35], [-37.68, -13.32], [-37.53, -12.97], [-37.0, -12.75], [-36.47, -12.97], [-36.32, -13.32], [-36.25, -13.35], [-36.0, -13.25], [-35.47, -13.47], [-35.25, -14.0], [-35.47, -14.53], [-36.0, -14.75], [-36.25, -14.65], [-36.32, -14.68], [-36.47, -15.03], [-36.82, -15.18], [-36.97, -15.53], [-37.32, -15.68], [-37.35, -15.75], [-37.25, -16.0], [-37.47, -16.53], [-38.0, -16.75], [-38.25, -16.65], [-38.5, -16.75], [-38.75, -16.65], [-39.0, -16.75], [-39.53, -16.53], [-39.75, -16.0], [-39.53, -15.47], [-39.18, -15.32], [-39.15, -15.25], [-39.25, -15.0]]]]}, "2022-02-02T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-39.25, -15.0], [-39.15, -14.75], [-39.25, -14.5], [-39.15, -14.25], [-39.25, -14.0], [-39.03, -13.47], [-38.5, -13.25], [-37.97, -13.47], [-37.75, -14.0], [-37.85, -14.25], [-37.75, -14.5], [-37.85, -14.75], [-37.75, -15.0], [-37.85, -15.25], [-37.75, -15.5], [-37.85, -15.75], [-37.75, -16.0], [-37.97, -16.53], [-38.5, -16.75], [-38.75, -16.65], [-39.0, -16.75], [-39.53, -16.53], [-39.75, -16.0], [-39.53, -15.47], [-39.18, -15.32], [-39.15, -15.25], [-39.25, -15.0]]]]}, "2022-02-03T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-38.5, -14.75], [-37.97, -14.97], [-37.75, -15.5], [-37.97, -16.03], [-38.5, -16.25], [-39.03, -16.03], [-39.25, -15.5], [-39.03, -14.97], [-38.5, -14.75]]]]}}}, "max_amp": {"name": "Maximum anomaly amplitude", "description": "Maximum t2m anomaly recorded over entire duration", "value": 1.451329732241902}, "mean_amp": {"name": "Mean anomaly amplitude", "description": "Mean t2m anomaly over entire duration", "value": 1.0023354814589767}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [27.521968070018943, 27.714614230896245, 27.503791289740604, 27.395844252444306, 27.344762141506692]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [27.74211449401838, 27.87736543146417, 27.712448511641753, 27.525722539638025, 27.344762141506692]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [0.9271461912713297, 1.1544642605240638, 0.9354941206034518, 0.9431036980498391, 0.8651045887468172]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [1.1244515725030624, 1.451329732241902, 1.206485658573456, 0.9862126284012334, 0.8651045887468172]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.5391771307646525, 1.844265442681633, 1.4750950580186353, 1.3548210478926908, 1.2483422450899868]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [1.8252020987655926, 2.2148616127360716, 1.7541305422728226, 1.472894087682682, 1.2483422450899868]}}