{"version_information": {"version": "det_AHW_tail10.0_v1.1", "compiled_date": "2026-07-16 08:50:16.933909", "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": "2012-Apr-22_to_2012-Apr-28_270.0_0.5"}, "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": 2012040002495}, "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 22 2012"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "April 28 2012"}, "duration": {"name": "Duration", "description": "Time elapsed (days) from the start date to the end date", "value": 7}, "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": 77262.23578077072}, "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": ["Ecuador"]}, "IPCC_regions": {"name": "IPCC regions", "description": "List of all IPCC regions affected", "value": ["Equatorial.Pacific-Ocean"]}, "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": ["North Pacific Ocean", "South Pacific 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": 0.5}, "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": 270.0}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "270.0\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 267.75}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 270.25}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": -2.25}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": 1.75}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2012-04-22T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-92.04, -0.5], [-92.25, 0.0], [-92.03, 0.53], [-91.5, 0.75], 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"MultiPolygon", "coordinates": [[[[-92.75, 1.5], [-92.53, 2.03], [-92.0, 2.25], [-91.75, 2.15], [-91.5, 2.25], [-91.25, 2.15], [-91.0, 2.25], [-90.75, 2.15], [-90.5, 2.25], [-89.97, 2.03], [-89.75, 1.5], [-89.85, 1.25], [-89.82, 1.18], [-89.47, 1.03], [-89.25, 0.5], [-89.35, 0.25], [-89.25, 0.0], [-89.35, -0.25], [-89.25, -0.5], [-89.35, -0.75], [-89.25, -1.0], [-89.47, -1.53], [-89.82, -1.68], [-89.85, -1.75], [-89.75, -2.0], [-89.97, -2.53], [-90.5, -2.75], [-90.75, -2.65], [-91.0, -2.75], [-91.53, -2.53], [-91.68, -2.18], [-92.03, -2.03], [-92.25, -1.5], [-92.15, -1.25], [-92.25, -1.0], [-92.04, -0.5], [-92.25, 0.0], [-92.15, 0.25], [-92.25, 0.5], [-92.15, 0.75], [-92.18, 0.82], [-92.53, 0.97], [-92.75, 1.5]]]]}, "2012-04-25T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-92.75, 1.5], [-92.53, 2.03], [-92.0, 2.25], [-91.75, 2.15], [-91.5, 2.25], [-91.25, 2.15], [-91.0, 2.25], [-90.75, 2.15], [-90.5, 2.25], [-89.97, 2.03], [-89.75, 1.5], [-89.85, 1.25], [-89.82, 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"value": [1.7012052847107797, 1.6523921338254712, 1.7061165481637932, 1.8521394876209774, 1.9605107855576946, 1.871469005588008, 1.8111674125554487]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [2.0176676422677815, 2.119676188292374, 2.0924069812635366, 2.2406883863312146, 2.413089046288235, 2.0775027603243643, 1.901862885646608]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.3241447033959342, 1.2390052290442266, 1.2531587969274318, 1.3698594467679894, 1.4552713128813728, 1.2514548675339305, 1.1729055946944105]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [1.4223448755788195, 1.3735717460828496, 1.4064501316416986, 1.5041604139425115, 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