{"version_information": {"version": "det_AHW_v1.1", "compiled_date": "2026-04-05 16:52:00.415249", "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": "2023-Mar-10_to_2023-Mar-16_288.5_-13.0"}, "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": 2023030001689}, "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 10 2023"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "March 16 2023"}, "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": 87219.64823213541}, "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": ["Peru"]}, "continents_affected": {"name": "Continents affected", "description": "List of all continents affected", "value": ["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": -13.0}, "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": 288.5}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "288.5\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 285.5}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 289.0}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": -15.0}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": -12.0}, "polygons_merged": {"name": "Merged polygon", "description": "Merger or polygons at each time step", "value": {"type": "MultiPolygon", "coordinates": [[[[-73.5, -11.25], [-73.0, -11.46], [-72.5, -11.25], [-71.97, -11.47], [-71.82, -11.82], [-71.47, -11.97], [-71.32, -12.32], [-71.25, -12.35], [-71.0, -12.25], [-70.47, -12.47], [-70.25, -13.0], [-70.35, -13.25], [-70.25, -13.5], [-70.35, -13.75], [-70.25, -14.0], [-70.47, -14.53], [-71.0, -14.75], [-71.3, -14.62], [-71.47, -15.03], [-72.0, -15.25], [-72.53, -15.03], [-72.68, -14.68], [-72.75, -14.65], [-72.87, -14.7], [-72.75, -15.0], [-72.97, -15.53], [-73.5, -15.75], [-74.03, -15.53], [-74.18, -15.18], [-74.53, -15.03], [-74.68, -14.68], [-75.03, -14.53], [-75.25, -14.0], [-75.15, -13.75], [-75.25, -13.5], [-75.03, -12.97], [-74.68, -12.82], [-74.65, -12.75], [-74.75, -12.5], [-74.53, -11.97], [-74.18, -11.82], [-74.03, -11.47], [-73.5, -11.25]]]]}}, "IPCC_regions": {"name": "IPCC regions", "description": "List of all IPCC regions affected", "value": ["N.W.South-America", "South-American-Monsoon", "S.W.South-America"]}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2023-03-10T11:30:00.000000000": {"type": 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duration", "value": 2.1006556979829156}, "mean_amp": {"name": "Mean anomaly amplitude", "description": "Mean t2m anomaly over entire duration", "value": 1.3075558384665504}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [19.251935815036234, 14.31561961059515, 13.368666747360749, 13.083322937236517, 11.662640211303426, 10.236996374796774, 11.593853961019136]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [19.251935815036234, 23.610695100876683, 23.298459245596405, 23.82966661069503, 18.5807268254203, 15.069544942064056, 12.711589653456826]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [1.481250875711396, 1.2052361933198579, 1.3192380224030784, 1.412437586174296, 1.2253746659678555, 1.3359388255385096, 1.1087861779560342]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [1.481250875711396, 1.5111192188499558, 1.657844095071539, 2.1006556979829156, 1.7340646380725957, 1.7881957637250707, 1.295814918911958]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.7948807992634297, 1.4411062370037564, 1.5648074392226534, 1.7327626253041417, 1.570842536779576, 1.779560946548964, 1.6406180905812895]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [1.7948807992634297, 1.975287428060821, 2.2662828559132833, 2.644108804604219, 2.3057274867930246, 2.5758312028890087, 1.942706801888552]}}