{"version_information": {"version": "det_AHW_tail10.0_v1.2", "compiled_date": "2026-06-27 18:53:35.539301", "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": "2024-Oct-29_to_2024-Nov-01_306.0_-27.0"}, "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": 2024100002376}, "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": "October 29 2024"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "November 01 2024"}, "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": 65885.31627623735}, "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": ["Argentina", "Brazil"]}, "IPCC_regions": {"name": "IPCC regions", "description": "List of all IPCC regions affected", "value": ["S.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": -27.0}, "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": 304.75}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 308.25}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": -28.75}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": -25.75}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2024-10-29T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-54.68, -25.82], [-54.53, -25.47], [-54.0, -25.25], [-53.47, -25.47], [-53.32, -25.82], [-52.97, -25.97], [-52.82, -26.32], [-52.75, -26.35], [-52.5, -26.25], [-51.97, -26.47], [-51.82, -26.82], [-51.47, -26.97], [-51.25, -27.5], [-51.35, -27.75], [-51.25, -28.0], [-51.47, -28.53], [-52.0, -28.75], [-52.25, -28.65], [-52.5, -28.75], [-52.75, -28.65], [-53.0, -28.75], [-53.53, -28.53], [-53.68, -28.18], [-54.03, -28.03], [-54.18, -27.68], [-54.25, -27.65], [-54.5, -27.75], [-54.75, -27.65], [-55.0, -27.75], [-55.53, -27.53], [-55.75, -27.0], [-55.53, -26.47], [-55.18, -26.32], [-55.03, -25.97], [-54.68, -25.82]]]]}, "2024-10-30T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-55.25, -26.0], [-55.03, -25.47], [-54.5, -25.25], [-54.25, -25.35], [-54.0, -25.25], [-53.47, -25.47], [-53.32, -25.82], [-52.97, -25.97], [-52.82, -26.32], [-52.75, -26.35], [-52.5, -26.25], [-51.97, -26.47], [-51.82, -26.82], [-51.47, -26.97], [-51.25, -27.5], [-51.35, -27.75], [-51.25, -28.0], [-51.35, -28.25], [-51.25, -28.5], [-51.47, -29.03], [-52.0, -29.25], [-52.25, -29.15], [-52.5, -29.25], [-52.75, -29.15], [-53.0, -29.25], [-53.53, -29.03], [-53.68, -28.68], [-53.75, -28.65], [-54.0, -28.75], [-54.53, -28.53], [-54.75, -28.0], [-54.65, -27.75], [-54.68, -27.68], [-54.75, -27.65], [-55.0, -27.75], [-55.53, -27.53], [-55.75, -27.0], [-55.53, -26.47], [-55.18, -26.32], [-55.15, -26.25], [-55.25, -26.0]]]]}, "2024-10-31T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-55.25, -26.0], [-55.03, -25.47], [-54.5, -25.25], [-54.25, -25.35], [-54.0, -25.25], [-53.47, -25.47], [-53.32, -25.82], [-52.97, -25.97], [-52.82, -26.32], [-52.75, -26.35], [-52.5, -26.25], [-51.97, -26.47], [-51.82, -26.82], [-51.47, -26.97], [-51.25, -27.5], [-51.35, -27.75], [-51.25, -28.0], [-51.35, -28.25], [-51.25, -28.5], [-51.47, -29.03], [-52.0, -29.25], [-52.25, -29.15], [-52.5, -29.25], [-52.75, -29.15], [-53.0, -29.25], [-53.53, -29.03], [-53.68, -28.68], [-53.75, -28.65], [-54.0, -28.75], [-54.53, -28.53], [-54.75, -28.0], [-54.65, -27.75], [-54.68, -27.68], [-54.75, -27.65], [-55.0, -27.75], [-55.53, -27.53], [-55.75, -27.0], [-55.53, -26.47], [-55.18, -26.32], [-55.15, -26.25], [-55.25, -26.0]]]]}, "2024-11-01T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-55.15, -26.25], [-55.25, -26.0], [-55.03, -25.47], [-54.5, -25.25], [-53.97, -25.47], [-53.82, -25.82], [-53.75, -25.85], [-53.5, -25.75], [-52.97, -25.97], [-52.82, -26.32], [-52.75, -26.35], [-52.5, -26.25], [-51.97, -26.47], [-51.75, -27.0], [-51.85, -27.25], [-51.75, -27.5], [-51.87, -27.8], [-51.47, -27.97], [-51.25, -28.5], [-51.47, -29.03], [-52.0, -29.25], [-52.25, -29.15], [-52.5, -29.25], [-52.75, -29.15], [-53.0, -29.25], [-53.53, -29.03], [-53.68, -28.68], [-53.75, -28.65], [-54.0, -28.75], [-54.53, -28.53], [-54.75, -28.0], [-54.65, -27.75], [-54.68, -27.68], [-55.03, -27.53], [-55.25, -27.0], [-55.15, -26.75], [-55.25, -26.5], [-55.15, -26.25]]]]}}}, "max_amp": {"name": "Maximum anomaly amplitude", "description": "Maximum t2m anomaly recorded over entire duration", "value": 4.638854962096616}, "mean_amp": {"name": "Mean anomaly amplitude", "description": "Mean t2m anomaly over entire duration", "value": 3.6453643122334736}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [24.510608254226952, 24.491735500759546, 24.631717512342675, 24.868996054666127]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [25.864458974202478, 27.015166219075525, 26.913503265380882, 26.56828333536788]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [3.5377192855077992, 3.595419303290136, 3.6858165497714004, 3.7536691526580177]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [4.383802543506761, 3.9767523924055013, 4.638854962096616, 4.5590100959129245]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.439630498860149, 1.4319163270394284, 1.4350343362369127, 1.4508496567060682]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [1.7813468253859506, 1.5877965472385998, 1.6678417700812176, 1.6619833795455448]}}