{"version_information": {"version": "det_AHW_v1.1", "compiled_date": "2026-03-19 18:17:43.702408", "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": "2020-Jul-29_to_2020-Aug-01_22.0_37.0"}, "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": 2020070003337}, "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": "July 29 2020"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "August 01 2020"}, "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": 50892.304497950514}, "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": ["Greece"]}, "continents_affected": {"name": "Continents affected", "description": "List of all continents affected", "value": ["Europe"]}, "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": 37.0}, "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": 22.0}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "22.0\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 21.5}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 24.0}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": 36.5}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": 40.0}, "polygons_merged": {"name": "Merged polygon", "description": "Merger or polygons at each time step", "value": {"type": "Polygon", "coordinates": [[[20.854, 38.75], [20.75, 39.0], [20.97, 39.53], [21.323, 39.677], [21.47, 40.03], [22.0, 40.25], [22.25, 40.146], [22.323, 40.177], 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37.82322330470336], [20.96966991411009, 37.96966991411009], [20.75, 38.5], [20.96966991411009, 39.03033008588991], [21.5, 39.25], [22.03033008588991, 39.03033008588991], [22.17677669529664, 38.67677669529664], [22.53033008588991, 38.53033008588991], [22.75, 38.0], [22.646446609406727, 37.75], [22.67677669529664, 37.67677669529664], [22.75, 37.64644660940672], [23.0, 37.75], [23.42677669529664, 37.57322330470336], [23.25, 38.0], [23.46966991411009, 38.53033008588991], [24.0, 38.75], [24.53033008588991, 38.53033008588991], [24.75, 38.0], [24.53033008588991, 37.46966991411009], [24.0, 37.25], [23.57322330470336, 37.42677669529664], [23.75, 37.0], [23.646446609406727, 36.75], [23.75, 36.5], [23.53033008588991, 35.96966991411009], [23.0, 35.75], [22.75, 35.85355339059328], [22.5, 35.75], [21.96966991411009, 35.96966991411009], [21.82322330470336, 36.32322330470336], [21.46966991411009, 36.46966991411009], [21.25, 37.0], [21.353553390593273, 37.25], [21.25, 37.5], [21.353553390593273, 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"description": "Maximum t2m anomaly recorded over entire duration", "value": 4.809428891691368}, "mean_amp": {"name": "Mean anomaly amplitude", "description": "Mean t2m anomaly over entire duration", "value": 2.8578208897203976}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [28.558361461541494, 28.7616258533958, 29.105085713177175, 28.605859341233725]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [30.69527924493775, 31.21537365057719, 32.05193342450701, 31.294589660398344]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [2.577894632723485, 2.8584972209552846, 3.1457541105860507, 2.6610728741015572]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [3.8264071198981355, 4.658629910369882, 4.809428891691368, 3.6056200483729413]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.5037994470144513, 1.659171434762166, 1.8389482587454307, 1.6248239541886962]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [1.7028426686030467, 2.1089028028829597, 2.487653808476423, 1.9182884006852867]}}