{"version_information": {"version": "det_AHW_tail10.0_v1.1", "compiled_date": "2026-07-16 08:46:53.380878", "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-Feb-27_to_2011-Mar-02_292.0_-37.5"}, "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": 2011020002519}, "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": "February 27 2011"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "March 02 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": 250821.20968393324}, "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", "Chile"]}, "IPCC_regions": {"name": "IPCC regions", "description": "List of all IPCC regions affected", "value": ["S.E.South-America", "S.South-America", "S.W.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": -37.5}, "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": 292.0}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "292.0\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 288.75}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 298.25}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": -42.25}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": -33.75}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2011-02-27T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-71.75, -35.0], [-71.53, -34.47], [-71.18, -34.32], [-71.03, -33.97], [-70.68, -33.82], [-70.53, -33.47], [-70.0, -33.25], [-69.47, -33.47], [-69.25, -34.0], [-69.35, -34.25], [-69.25, -34.5], [-69.47, -35.03], [-69.82, -35.18], [-69.85, -35.25], [-69.75, -35.5], [-69.85, -35.75], [-69.82, -35.82], [-69.47, -35.97], [-69.3, -36.38], [-69.18, -36.32], [-69.03, -35.97], [-68.5, -35.75], [-68.25, -35.85], [-68.0, -35.75], [-67.47, -35.97], [-67.25, -36.5], [-67.35, -36.75], [-67.25, -37.0], [-67.35, -37.25], [-67.25, -37.5], [-67.47, -38.03], [-68.0, -38.25], [-68.25, -38.15], [-68.5, -38.25], [-68.75, -38.15], [-69.0, -38.25], [-69.25, -38.15], [-69.5, -38.25], [-69.75, -38.15], [-70.0, -38.25], [-70.25, -38.15], [-70.5, -38.25], [-71.03, -38.03], [-71.25, -37.5], [-71.15, -37.25], [-71.25, -37.0], [-71.15, -36.75], [-71.25, -36.5], [-71.15, -36.25], [-71.25, -36.0], [-71.15, -35.75], [-71.18, -35.68], [-71.53, -35.53], [-71.75, -35.0]]]]}, "2011-02-28T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-71.75, -35.0], [-71.53, -34.47], [-71.18, -34.32], [-71.03, -33.97], [-70.68, -33.82], [-70.53, -33.47], [-70.0, -33.25], [-69.75, -33.35], [-69.5, -33.25], [-68.97, -33.47], [-68.75, -34.0], [-68.85, -34.25], [-68.75, -34.5], [-68.97, -35.03], [-69.5, -35.25], [-69.75, -35.15], [-69.82, -35.18], [-69.85, -35.25], [-69.75, -35.5], [-69.85, -35.75], [-69.82, -35.82], [-69.5, -35.96], [-69.18, -35.82], [-69.03, -35.47], [-68.5, -35.25], [-68.25, -35.35], [-68.0, -35.25], [-67.47, -35.47], [-67.32, -35.82], [-66.97, -35.97], [-66.75, -36.5], [-66.85, -36.75], [-66.82, -36.82], [-66.75, -36.85], [-66.5, -36.75], [-66.25, -36.85], [-66.0, -36.75], [-65.47, -36.97], [-65.25, -37.5], [-65.37, -37.8], [-65.25, -37.85], [-65.0, -37.75], [-64.47, -37.97], [-64.32, -38.32], [-64.0, -38.46], [-63.5, -38.25], [-63.25, -38.35], [-63.0, -38.25], [-62.75, -38.35], [-62.5, -38.25], [-62.25, -38.35], [-62.0, -38.25], [-61.47, -38.47], [-61.25, -39.0], [-61.35, -39.25], [-61.25, -39.5], [-61.35, -39.75], [-61.25, -40.0], [-61.47, -40.53], [-61.82, -40.68], [-61.85, -40.75], [-61.75, -41.0], [-61.85, -41.25], [-61.75, -41.5], [-61.97, -42.03], [-62.5, -42.25], [-62.75, -42.15], [-63.0, -42.25], [-63.25, -42.15], [-63.5, -42.25], [-63.75, -42.15], [-64.0, -42.25], [-64.25, -42.15], [-64.5, -42.25], [-64.75, -42.15], [-64.82, -42.18], [-64.97, -42.53], [-65.5, -42.75], [-66.03, -42.53], [-66.25, -42.0], [-66.15, -41.75], [-66.18, -41.68], [-66.25, -41.65], [-66.5, -41.75], [-67.03, -41.53], [-67.25, -41.0], [-67.04, -40.5], [-67.25, -40.0], [-67.15, -39.75], [-67.18, -39.68], [-67.53, -39.53], [-67.68, -39.18], [-67.75, -39.15], [-68.0, -39.25], [-68.25, -39.15], [-68.5, -39.25], [-69.03, -39.03], [-69.18, -38.68], [-69.25, -38.65], [-69.5, -38.75], [-70.03, -38.53], [-70.18, -38.18], [-70.25, -38.15], [-70.5, -38.25], [-71.03, -38.03], [-71.25, -37.5], [-71.15, -37.25], [-71.25, -37.0], [-71.15, -36.75], [-71.25, -36.5], [-71.15, -36.25], [-71.25, -36.0], [-71.15, -35.75], [-71.18, -35.68], [-71.53, -35.53], [-71.75, -35.0]]]]}, "2011-03-01T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-71.75, -35.0], [-71.53, -34.47], [-71.18, -34.32], [-71.03, -33.97], [-70.68, -33.82], [-70.53, -33.47], [-70.0, -33.25], [-69.75, -33.35], [-69.5, -33.25], [-68.97, -33.47], [-68.75, -34.0], [-68.85, -34.25], [-68.75, -34.5], [-68.97, -35.03], [-69.5, -35.25], [-69.75, -35.15], [-69.82, -35.18], [-69.85, -35.25], [-69.75, -35.5], [-69.85, -35.75], [-69.82, -35.82], [-69.5, -35.96], [-69.18, -35.82], [-69.03, -35.47], [-68.5, -35.25], [-68.25, -35.35], [-68.0, -35.25], [-67.47, -35.47], [-67.32, -35.82], [-66.97, -35.97], [-66.75, -36.5], [-66.85, -36.75], [-66.82, -36.82], [-66.75, -36.85], [-66.5, -36.75], [-66.25, -36.85], [-66.0, -36.75], [-65.47, -36.97], [-65.25, -37.5], [-65.37, -37.8], [-65.25, -37.85], [-65.0, -37.75], [-64.47, -37.97], [-64.32, -38.32], [-64.0, -38.46], [-63.5, -38.25], [-63.25, -38.35], [-63.0, -38.25], [-62.75, -38.35], [-62.5, -38.25], [-62.25, -38.35], [-62.0, -38.25], [-61.47, -38.47], [-61.25, -39.0], [-61.35, -39.25], [-61.25, -39.5], [-61.35, -39.75], [-61.25, -40.0], [-61.47, -40.53], [-61.82, -40.68], [-61.85, -40.75], [-61.75, -41.0], [-61.85, -41.25], [-61.75, -41.5], [-61.97, -42.03], [-62.5, -42.25], [-62.75, -42.15], [-63.0, -42.25], [-63.25, -42.15], [-63.5, -42.25], [-63.75, -42.15], [-64.0, -42.25], [-64.25, -42.15], [-64.5, -42.25], [-64.75, -42.15], [-64.82, -42.18], [-64.97, -42.53], [-65.5, -42.75], [-66.03, -42.53], [-66.25, -42.0], [-66.15, -41.75], [-66.18, -41.68], [-66.25, -41.65], [-66.5, -41.75], [-67.03, -41.53], [-67.25, -41.0], [-67.04, -40.5], [-67.25, -40.0], [-67.15, -39.75], [-67.18, -39.68], [-67.53, -39.53], [-67.68, -39.18], [-67.75, -39.15], [-68.0, -39.25], [-68.25, -39.15], [-68.5, -39.25], [-69.03, -39.03], [-69.18, -38.68], [-69.25, -38.65], [-69.5, -38.75], [-70.03, -38.53], [-70.18, -38.18], [-70.25, -38.15], [-70.5, -38.25], [-71.03, -38.03], [-71.25, -37.5], [-71.15, -37.25], [-71.25, -37.0], [-71.15, -36.75], [-71.25, -36.5], [-71.15, -36.25], [-71.25, -36.0], [-71.15, -35.75], [-71.18, -35.68], [-71.53, -35.53], [-71.75, -35.0]]]]}, "2011-03-02T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-70.25, -37.0], [-70.03, -36.47], [-69.68, -36.32], [-69.53, -35.97], [-69.18, -35.82], [-69.03, -35.47], [-68.5, -35.25], [-68.25, -35.35], [-68.0, -35.25], [-67.47, -35.47], [-67.32, -35.82], [-66.97, -35.97], [-66.75, -36.5], [-66.85, -36.75], [-66.82, -36.82], [-66.75, -36.85], [-66.5, -36.75], [-66.25, -36.85], [-66.0, -36.75], [-65.47, -36.97], [-65.25, -37.5], [-65.37, -37.8], [-65.25, -37.85], [-65.0, -37.75], [-64.47, -37.97], [-64.32, -38.32], [-64.0, -38.46], [-63.5, -38.25], [-63.25, -38.35], [-63.0, -38.25], [-62.75, -38.35], [-62.5, -38.25], [-62.25, -38.35], [-62.0, -38.25], [-61.47, -38.47], [-61.25, -39.0], [-61.35, -39.25], [-61.25, -39.5], [-61.35, -39.75], [-61.25, -40.0], [-61.47, -40.53], [-61.82, -40.68], [-61.85, -40.75], [-61.75, -41.0], [-61.85, -41.25], [-61.75, -41.5], [-61.97, -42.03], [-62.5, -42.25], [-62.75, -42.15], [-63.0, -42.25], [-63.25, -42.15], [-63.5, -42.25], [-63.75, -42.15], [-64.0, -42.25], [-64.25, -42.15], [-64.5, -42.25], [-64.75, -42.15], [-64.82, -42.18], [-64.97, -42.53], [-65.5, -42.75], [-66.03, -42.53], [-66.25, -42.0], [-66.15, -41.75], [-66.18, -41.68], [-66.25, -41.65], [-66.5, -41.75], [-67.03, -41.53], [-67.25, -41.0], [-67.04, -40.5], [-67.25, -40.0], [-67.15, -39.75], [-67.18, -39.68], [-67.53, -39.53], [-67.68, -39.18], [-67.75, -39.15], [-68.0, -39.25], [-68.25, -39.15], [-68.5, -39.25], [-69.03, -39.03], [-69.18, -38.68], [-69.25, -38.65], [-69.5, -38.75], [-70.03, -38.53], [-70.25, -38.0], [-70.15, -37.75], [-70.25, -37.5], [-70.15, -37.25], [-70.25, -37.0]]], [[[-69.5, -33.25], [-68.97, -33.47], [-68.75, -34.0], [-68.85, -34.25], [-68.75, -34.5], [-68.97, -35.03], [-69.5, -35.25], [-70.03, -35.03], [-70.25, -34.5], [-70.15, -34.25], [-70.25, -34.0], [-70.03, -33.47], [-69.5, -33.25]]]]}}}, "max_amp": {"name": "Maximum anomaly amplitude", "description": "Maximum t2m anomaly recorded over entire duration", "value": 7.0307549971639105}, "mean_amp": {"name": "Mean anomaly amplitude", "description": "Mean t2m anomaly over entire duration", "value": 5.01276912971748}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [19.214511345416668, 24.67541256231158, 24.71546695966458, 25.889906258479016]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [26.298561120884244, 29.02219510268418, 28.347361673612852, 28.306542811698534]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [4.101567731061155, 5.080618668930634, 5.1006060591757825, 5.055132184976903]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [4.849654548282274, 6.832977578525401, 7.0307549971639105, 6.36764731191812]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.4244496766871277, 1.6544331009479194, 1.7328795860129111, 1.6807071533349243]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [1.6626477948566158, 2.1390122804157374, 2.2029819987081374, 2.267153558958522]}}