{"version_information": {"version": "det_AHW_tail10.0_v1.1", "compiled_date": "2026-07-16 08:46:59.710333", "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": "2011-Mar-01_to_2011-Mar-04_293.5_-11.0"}, "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": 2011030001531}, "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 01 2011"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "March 04 2011"}, "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": 54670.875160977674}, "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": ["Bolivia", "Brazil"]}, "IPCC_regions": {"name": "IPCC regions", "description": "List of all IPCC regions affected", "value": ["South-American-Monsoon"]}, "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": -11.0}, "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": 293.5}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "293.5\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 291.75}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 294.75}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": -11.75}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": -9.75}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2011-03-01T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-68.65, -10.25], [-68.75, -10.0], [-68.53, -9.47], [-68.0, -9.25], [-67.75, -9.35], [-67.5, -9.25], [-67.25, -9.35], [-67.0, -9.25], [-66.75, -9.35], [-66.5, -9.25], [-65.97, -9.47], [-65.82, -9.82], [-65.47, -9.97], [-65.25, -10.5], [-65.35, -10.75], [-65.25, -11.0], [-65.47, -11.53], [-65.82, -11.68], [-65.97, -12.03], [-66.5, -12.25], [-66.75, -12.15], [-67.0, -12.25], [-67.25, -12.15], [-67.5, -12.25], [-68.03, -12.03], [-68.18, -11.68], [-68.53, -11.53], [-68.75, -11.0], [-68.65, -10.75], [-68.75, -10.5], [-68.65, -10.25]]]]}, "2011-03-02T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-68.65, -10.25], [-68.75, -10.0], [-68.53, -9.47], [-68.0, -9.25], [-67.75, -9.35], [-67.5, -9.25], [-67.25, -9.35], [-67.0, -9.25], [-66.75, -9.35], [-66.5, -9.25], [-65.97, -9.47], [-65.82, -9.82], [-65.75, -9.85], [-65.5, -9.75], [-64.97, -9.97], [-64.75, -10.5], [-64.97, -11.03], [-65.32, -11.18], [-65.47, -11.53], [-65.82, -11.68], [-65.97, -12.03], [-66.5, -12.25], [-66.75, -12.15], [-67.0, -12.25], [-67.25, -12.15], [-67.5, -12.25], [-68.03, -12.03], [-68.18, -11.68], [-68.53, -11.53], [-68.75, -11.0], [-68.65, -10.75], [-68.75, -10.5], [-68.65, -10.25]]]]}, "2011-03-03T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-68.65, -10.25], [-68.75, -10.0], [-68.53, -9.47], [-68.0, -9.25], [-67.75, -9.35], [-67.5, -9.25], [-67.25, -9.35], [-67.0, -9.25], [-66.75, -9.35], [-66.5, -9.25], [-65.97, -9.47], [-65.82, -9.82], [-65.75, -9.85], [-65.5, -9.75], [-64.97, -9.97], [-64.75, -10.5], [-64.97, -11.03], [-65.32, -11.18], [-65.47, -11.53], [-65.82, -11.68], [-65.97, -12.03], [-66.5, -12.25], [-66.75, -12.15], [-67.0, -12.25], [-67.25, -12.15], [-67.5, -12.25], [-68.03, -12.03], [-68.18, -11.68], [-68.53, -11.53], [-68.75, -11.0], [-68.65, -10.75], [-68.75, -10.5], [-68.65, -10.25]]]]}, "2011-03-04T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-65.5, -9.75], [-64.97, -9.97], [-64.75, -10.5], [-64.97, -11.03], [-65.5, -11.25], [-66.03, -11.03], [-66.25, -10.5], [-66.03, -9.97], [-65.5, -9.75]]]]}}}, "max_amp": {"name": "Maximum anomaly amplitude", "description": "Maximum t2m anomaly recorded over entire duration", "value": 2.4431607856622577}, "mean_amp": {"name": "Mean anomaly amplitude", "description": "Mean t2m anomaly over entire duration", "value": 1.7810260847783457}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [27.308563636101667, 27.713102747883568, 27.704761084111965, 27.08976571237605]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [27.66108554291378, 28.04049902795026, 28.43628332863085, 27.08976571237605]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [1.5222320812255683, 1.9205345761787447, 1.9203211590537168, 1.1620599630117]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [1.8424289256875, 2.2255971173892704, 2.4431607856622577, 1.1620599630117]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.8368093471551303, 2.3261252174040337, 2.2381262763965535, 1.3617123130034068]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [2.220395860739587, 2.8669295197446414, 2.887735799775154, 1.3617123130034068]}}