{"version_information": {"version": "det_AHW_tail10.0_v1.1", "compiled_date": "2026-07-16 08:53:08.597043", "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": "2013-Apr-10_to_2013-Apr-13_286.5_-4.5"}, "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": 2013040001879}, "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": "April 10 2013"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "April 13 2013"}, "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": 107368.20163778479}, "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", "Peru"]}, "IPCC_regions": {"name": "IPCC regions", "description": "List of all IPCC regions affected", "value": ["N.South-America", "N.W.South-America", "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": -4.5}, "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": 286.5}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "286.5\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 285.75}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 290.75}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": -10.25}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": -4.25}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2013-04-10T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-74.75, -5.0], [-74.53, -4.47], [-74.18, -4.32], [-74.03, -3.97], [-73.5, -3.75], [-72.97, -3.97], [-72.82, -4.32], [-72.47, -4.47], [-72.25, -5.0], [-72.35, -5.25], [-72.32, -5.32], [-72.25, -5.35], [-72.0, -5.25], [-71.47, -5.47], [-71.32, -5.82], [-71.25, -5.85], [-71.0, -5.75], [-70.47, -5.97], [-70.25, -6.5], [-70.35, -6.75], [-70.32, -6.82], [-69.97, -6.97], [-69.82, -7.32], [-69.75, -7.35], [-69.5, -7.25], [-68.97, -7.47], [-68.75, -8.0], [-68.85, -8.25], [-68.75, -8.5], [-68.97, -9.03], [-69.5, -9.25], [-70.03, -9.03], [-70.18, -8.68], [-70.53, -8.53], [-70.68, -8.18], [-70.75, -8.15], [-71.0, -8.25], [-71.53, -8.03], [-71.68, -7.68], [-71.75, -7.65], [-72.0, -7.75], [-72.25, -7.65], [-72.5, -7.75], [-72.75, -7.65], [-73.0, -7.75], [-73.25, -7.65], [-73.5, -7.75], [-74.03, -7.53], [-74.25, -7.0], [-74.15, -6.75], [-74.25, -6.5], [-74.15, -6.25], [-74.25, -6.0], [-74.15, -5.75], [-74.18, -5.68], [-74.53, -5.53], [-74.75, -5.0]]]]}, "2013-04-11T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-74.53, -4.47], [-74.18, -4.32], [-74.03, -3.97], [-73.5, -3.75], [-72.97, -3.97], [-72.82, -4.32], [-72.47, -4.47], [-72.25, -5.0], [-72.35, -5.25], [-72.32, -5.32], [-72.25, -5.35], [-72.0, -5.25], [-71.47, -5.47], [-71.32, -5.82], [-71.25, -5.85], [-71.0, -5.75], [-70.47, -5.97], [-70.25, -6.5], [-70.35, -6.75], [-70.32, -6.82], [-69.97, -6.97], [-69.82, -7.32], [-69.75, -7.35], [-69.5, -7.25], [-68.97, -7.47], [-68.75, -8.0], [-68.85, -8.25], [-68.75, -8.5], [-68.85, -8.75], [-68.75, -9.0], [-68.85, -9.25], [-68.75, -9.5], [-68.85, -9.75], [-68.75, -10.0], [-68.97, -10.53], [-69.5, -10.75], [-70.03, -10.53], [-70.25, -10.0], [-70.15, -9.75], [-70.18, -9.68], [-70.53, -9.53], [-70.68, -9.18], [-71.03, -9.03], [-71.25, -8.5], [-71.12, -8.2], [-71.53, -8.03], [-71.68, -7.68], [-71.75, -7.65], [-72.0, -7.75], [-72.25, -7.65], [-72.5, -7.75], [-72.75, -7.65], [-72.82, -7.68], [-72.97, -8.03], [-73.5, -8.25], [-74.03, -8.03], [-74.25, -7.5], [-74.15, -7.25], [-74.25, -7.0], [-74.15, -6.75], [-74.25, -6.5], [-74.15, -6.25], [-74.18, -6.18], [-74.53, -6.03], [-74.75, -5.5], [-74.65, -5.25], [-74.75, -5.0], [-74.53, -4.47]]]]}, "2013-04-12T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-74.53, -4.47], [-74.18, -4.32], [-74.03, -3.97], [-73.5, -3.75], [-72.97, -3.97], [-72.82, -4.32], [-72.47, -4.47], [-72.25, -5.0], [-72.35, -5.25], [-72.32, -5.32], [-72.25, -5.35], [-72.0, -5.25], [-71.47, -5.47], [-71.32, -5.82], [-71.25, -5.85], [-71.0, -5.75], [-70.47, -5.97], [-70.25, -6.5], [-70.35, -6.75], [-70.32, -6.82], [-69.97, -6.97], [-69.82, -7.32], [-69.75, -7.35], [-69.5, -7.25], [-68.97, -7.47], [-68.75, -8.0], [-68.85, -8.25], [-68.75, -8.5], [-68.85, -8.75], [-68.75, -9.0], [-68.85, -9.25], [-68.75, -9.5], [-68.85, -9.75], [-68.75, -10.0], [-68.97, -10.53], [-69.5, -10.75], [-70.03, -10.53], [-70.25, -10.0], [-70.15, -9.75], [-70.18, -9.68], [-70.53, -9.53], [-70.68, -9.18], [-71.03, -9.03], [-71.25, -8.5], [-71.12, -8.2], [-71.53, -8.03], [-71.68, -7.68], [-71.75, -7.65], [-72.0, -7.75], [-72.25, -7.65], [-72.5, -7.75], [-72.75, -7.65], [-72.82, -7.68], [-72.97, -8.03], [-73.5, -8.25], [-74.03, -8.03], [-74.25, -7.5], [-74.15, -7.25], [-74.25, -7.0], [-74.15, -6.75], [-74.25, -6.5], [-74.15, -6.25], [-74.18, -6.18], [-74.53, -6.03], [-74.75, -5.5], [-74.65, -5.25], [-74.75, -5.0], [-74.53, -4.47]]]]}, "2013-04-13T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-71.03, -7.97], [-70.5, -7.75], [-70.25, -7.85], [-70.0, -7.75], [-69.75, -7.85], [-69.5, -7.75], [-68.97, -7.97], [-68.75, -8.5], [-68.85, -8.75], [-68.75, -9.0], [-68.85, -9.25], [-68.75, -9.5], [-68.85, -9.75], [-68.75, -10.0], [-68.97, -10.53], [-69.5, -10.75], [-70.03, -10.53], [-70.25, -10.0], [-70.15, -9.75], [-70.18, -9.68], [-70.53, -9.53], [-70.68, -9.18], [-71.03, -9.03], [-71.25, -8.5], [-71.03, -7.97]]], [[[-74.18, -4.32], [-74.03, -3.97], [-73.5, -3.75], [-72.97, -3.97], [-72.75, -4.5], [-72.85, -4.75], [-72.82, -4.82], [-72.47, -4.97], [-72.25, -5.5], [-72.35, -5.75], [-72.32, -5.82], [-71.97, -5.97], [-71.82, -6.32], [-71.75, -6.35], [-71.5, -6.25], [-70.97, -6.47], [-70.75, -7.0], [-70.97, -7.53], [-71.5, -7.75], [-71.75, -7.65], [-72.0, -7.75], [-72.25, -7.65], [-72.5, -7.75], [-72.75, -7.65], [-72.82, -7.68], [-72.97, -8.03], [-73.5, -8.25], [-74.03, -8.03], [-74.25, -7.5], [-74.15, -7.25], [-74.25, -7.0], [-74.15, -6.75], [-74.25, -6.5], [-74.15, -6.25], [-74.18, -6.18], [-74.53, -6.03], [-74.75, -5.5], [-74.65, -5.25], [-74.75, -5.0], [-74.53, -4.47], [-74.18, -4.32]]]]}}}, "max_amp": {"name": "Maximum anomaly amplitude", "description": "Maximum t2m anomaly recorded over entire duration", "value": 2.3819037568658814}, "mean_amp": {"name": "Mean anomaly amplitude", "description": "Mean t2m anomaly over entire duration", "value": 1.6517926574145358}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [27.296888550851634, 27.443689967992327, 27.104208908354337, 27.187147205950282]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [28.170221342804894, 28.46288195871665, 27.658390954306583, 28.045693062926148]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [1.6638110080306332, 1.838913054228689, 1.501489638642428, 1.5845800033267778]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [2.17422402775901, 2.3819037568658814, 1.8326264057406547, 2.073414383886359]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.6679397533403786, 1.9322448273039052, 1.6141242287248978, 1.6879082284735265]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [2.2132888960916772, 2.472617933801704, 2.050449147524481, 2.1725036297365246]}}