{"version_information": {"version": "det_AHW_v1.1", "compiled_date": "2026-04-05 16:19:06.534634", "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-Mar-22_to_2022-Mar-26_306.0_-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": 2022030002402}, "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": "March 22 2022"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "March 26 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": 86031.6816167809}, "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"]}, "continents_affected": {"name": "Continents affected", "description": "List of all continents affected", "value": ["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": 306.0}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "306.0\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 305.0}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 308.5}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": -7.5}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": -4.5}, "polygons_merged": {"name": "Merged polygon", "description": "Merger or polygons at each time step", "value": {"type": "MultiPolygon", "coordinates": [[[[-54.62, -5.2], [-55.03, -5.03], [-55.25, -4.5], [-55.03, -3.97], [-54.5, -3.75], [-54.25, -3.85], [-54.0, -3.75], [-53.47, -3.97], [-53.32, -4.32], [-53.25, -4.35], [-53.0, -4.25], [-52.5, -4.46], [-52.0, -4.25], [-51.47, -4.47], [-51.25, -5.0], [-51.35, -5.25], [-51.25, -5.5], [-51.35, -5.75], [-51.25, -6.0], [-51.35, -6.25], [-51.32, -6.32], [-50.97, -6.47], [-50.75, -7.0], [-50.97, -7.53], [-51.32, -7.68], [-51.47, -8.03], [-52.0, -8.25], [-52.25, -8.15], [-52.5, -8.25], [-53.03, -8.03], [-53.18, -7.68], [-53.25, -7.65], [-53.5, -7.75], [-53.75, -7.65], [-54.0, -7.75], [-54.25, -7.65], [-54.5, -7.75], [-54.75, -7.65], [-55.0, -7.75], [-55.53, -7.53], [-55.75, -7.0], [-55.53, -6.47], [-55.18, -6.32], [-55.03, -5.97], [-54.62, -5.8], [-54.75, -5.5], [-54.62, -5.2]]]]}}, "IPCC_regions": {"name": "IPCC regions", "description": "List of all IPCC regions affected", "value": ["N.South-America", "South-American-Monsoon"]}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2022-03-22T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-54.52999999999997, -4.97], [-54.0, -4.75], [-53.47000000000003, -4.97], [-53.25, -5.5], [-53.47000000000003, -6.03], [-54.0, -6.25], [-54.52999999999997, -6.03], [-54.75, -5.5], [-54.52999999999997, -4.97]]]]}, "2022-03-23T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-55.02999999999997, -5.97], [-54.620000000000005, -5.8], [-54.75, -5.5], [-54.620000000000005, -5.2], [-55.02999999999997, -5.03], [-55.25, -4.5], [-55.02999999999997, -3.97], [-54.5, -3.75], [-54.25, -3.85], [-54.0, -3.75], [-53.47000000000003, -3.97], [-53.31999999999999, -4.32], [-53.25, -4.35], [-53.0, -4.25], [-52.5, -4.46], [-52.0, -4.25], [-51.47000000000003, -4.47], [-51.25, -5.0], [-51.35000000000002, -5.25], [-51.25, -5.5], [-51.35000000000002, -5.75], [-51.25, -6.0], [-51.35000000000002, -6.25], [-51.31999999999999, -6.32], [-50.97000000000003, -6.47], [-50.75, -7.0], [-50.97000000000003, -7.53], [-51.31999999999999, -7.68], [-51.47000000000003, -8.03], [-52.0, -8.25], [-52.25, -8.15], [-52.5, -8.25], [-53.02999999999997, -8.03], [-53.18000000000001, -7.68], [-53.25, -7.65], [-53.5, -7.75], [-53.75, -7.65], [-54.0, -7.75], [-54.25, -7.65], [-54.5, -7.75], [-54.75, -7.65], [-55.0, -7.75], [-55.52999999999997, -7.53], [-55.75, -7.0], [-55.52999999999997, -6.47], [-55.18000000000001, -6.32], [-55.02999999999997, -5.97]]]]}, "2022-03-24T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-55.02999999999997, -5.97], [-54.620000000000005, -5.8], [-54.75, -5.5], [-54.620000000000005, -5.2], [-55.02999999999997, -5.03], [-55.25, -4.5], [-55.02999999999997, -3.97], [-54.5, -3.75], [-54.25, -3.85], [-54.0, -3.75], [-53.47000000000003, -3.97], [-53.31999999999999, -4.32], [-53.25, -4.35], [-53.0, -4.25], [-52.5, -4.46], [-52.0, -4.25], [-51.47000000000003, -4.47], [-51.25, -5.0], [-51.35000000000002, -5.25], [-51.25, -5.5], [-51.35000000000002, -5.75], [-51.25, -6.0], [-51.35000000000002, -6.25], [-51.31999999999999, -6.32], 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"description": "The daily evolution of mean t2m.", "value": [25.87090327139026, 26.492890415654756, 25.932507932769852, 25.99357094272864, 26.583783875624704]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [25.87090327139026, 27.130336039542442, 26.35177888360556, 26.438120639414933, 27.21413833194549]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [1.147894186187557, 1.8224930586491277, 1.2784469564508254, 1.3392260035262515, 1.9187359508744868]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [1.147894186187557, 2.460038148130195, 1.645483293094344, 1.6568135653994318, 2.286421163212651]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.4179799673556062, 2.369665058931966, 1.631767913616041, 1.6789209669784326, 2.359034906057781]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [1.4179799673556062, 3.1754723063400077, 2.063079879600264, 2.0642891801570964, 2.812402693676802]}}