{"version_information": {"version": "det_AHW_tail10.0_v1.2", "compiled_date": "2026-06-27 18:26:11.844681", "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": "2021-Jun-07_to_2021-Jun-11_357.0_38.5"}, "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": 2021060001766}, "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": "June 07 2021"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "June 11 2021"}, "duration": {"name": "Duration", "description": "Time elapsed (days) from the start date to the end date", "value": 5}, "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": 72058.69471878647}, "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": ["Spain"]}, "IPCC_regions": {"name": "IPCC regions", "description": "List of all IPCC regions affected", "value": ["Mediterranean"]}, "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": 38.5}, "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": 357.0}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "357.0\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 353.75}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 357.25}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": 37.25}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": 40.75}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2021-06-07T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-5.03, 38.97], [-5.25, 39.5], [-5.03, 40.03], [-4.5, 40.25], [-4.25, 40.15], [-4.0, 40.25], [-3.47, 40.03], [-3.25, 39.5], [-3.43, 39.07], [-3.0, 39.25], [-2.47, 39.03], [-2.25, 38.5], [-2.47, 37.97], [-2.87, 37.8], [-2.75, 37.5], [-2.97, 36.97], [-3.5, 36.75], [-4.03, 36.97], [-4.25, 37.5], [-4.03, 38.03], [-3.62, 38.2], [-3.75, 38.5], [-3.57, 38.93], [-4.0, 38.75], [-4.25, 38.85], [-4.5, 38.75], [-5.03, 38.97]]]]}, "2021-06-08T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-6.53, 40.53], [-6.18, 40.68], [-6.03, 41.03], [-5.5, 41.25], [-5.25, 41.15], [-5.0, 41.25], [-4.47, 41.03], [-4.32, 40.68], [-4.25, 40.65], [-4.0, 40.75], [-3.47, 40.53], [-3.32, 40.18], [-2.97, 40.03], [-2.82, 39.68], [-2.47, 39.53], [-2.25, 39.0], [-2.35, 38.75], [-2.25, 38.5], [-2.47, 37.97], [-2.82, 37.82], [-2.85, 37.75], [-2.75, 37.5], [-2.97, 36.97], [-3.5, 36.75], [-4.03, 36.97], [-4.18, 37.32], [-4.25, 37.35], [-4.5, 37.25], [-4.75, 37.35], [-5.0, 37.25], [-5.53, 37.47], [-5.75, 38.0], [-5.65, 38.25], [-5.7, 38.38], [-6.0, 38.25], [-6.53, 38.47], [-6.75, 39.0], [-6.54, 39.5], [-6.75, 40.0], [-6.53, 40.53]]]]}, "2021-06-09T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-6.53, 40.53], [-6.18, 40.68], [-6.03, 41.03], [-5.5, 41.25], [-5.25, 41.15], [-5.0, 41.25], [-4.47, 41.03], [-4.32, 40.68], [-4.25, 40.65], [-4.0, 40.75], [-3.47, 40.53], [-3.32, 40.18], [-2.97, 40.03], [-2.82, 39.68], [-2.47, 39.53], [-2.25, 39.0], [-2.35, 38.75], [-2.25, 38.5], [-2.35, 38.25], [-2.25, 38.0], [-2.35, 37.75], [-2.25, 37.5], [-2.47, 36.97], [-3.0, 36.75], [-3.25, 36.85], [-3.5, 36.75], [-4.03, 36.97], [-4.18, 37.32], [-4.25, 37.35], [-4.5, 37.25], [-4.75, 37.35], [-5.0, 37.25], [-5.53, 37.47], [-5.75, 38.0], [-5.65, 38.25], [-5.7, 38.38], [-6.0, 38.25], [-6.53, 38.47], [-6.75, 39.0], [-6.54, 39.5], [-6.75, 40.0], [-6.53, 40.53]]]]}, "2021-06-10T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-6.53, 40.53], [-6.18, 40.68], [-6.03, 41.03], [-5.5, 41.25], [-5.25, 41.15], [-5.0, 41.25], [-4.47, 41.03], [-4.32, 40.68], [-4.25, 40.65], [-4.0, 40.75], [-3.47, 40.53], [-3.32, 40.18], [-2.97, 40.03], [-2.82, 39.68], [-2.47, 39.53], [-2.25, 39.0], [-2.35, 38.75], [-2.25, 38.5], [-2.35, 38.25], [-2.25, 38.0], [-2.35, 37.75], [-2.25, 37.5], [-2.47, 36.97], [-3.0, 36.75], [-3.25, 36.85], [-3.5, 36.75], [-4.03, 36.97], [-4.18, 37.32], [-4.25, 37.35], [-4.5, 37.25], [-4.75, 37.35], [-5.0, 37.25], [-5.53, 37.47], [-5.75, 38.0], [-5.65, 38.25], [-5.7, 38.38], [-6.0, 38.25], [-6.53, 38.47], [-6.75, 39.0], [-6.54, 39.5], [-6.75, 40.0], [-6.53, 40.53]]]]}, "2021-06-11T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-5.25, 39.0], [-5.03, 39.53], [-4.5, 39.75], [-4.25, 39.65], [-4.0, 39.75], [-3.75, 39.65], [-3.5, 39.75], [-3.25, 39.65], [-3.0, 39.75], [-2.47, 39.53], [-2.25, 39.0], [-2.35, 38.75], [-2.25, 38.5], [-2.35, 38.25], [-2.25, 38.0], [-2.35, 37.75], [-2.25, 37.5], [-2.47, 36.97], [-3.0, 36.75], [-3.25, 36.85], [-3.5, 36.75], [-4.03, 36.97], [-4.18, 37.32], [-4.53, 37.47], [-4.75, 38.0], [-4.65, 38.25], [-4.68, 38.32], [-5.03, 38.47], [-5.25, 39.0]]]]}}}, "max_amp": {"name": "Maximum anomaly amplitude", "description": "Maximum t2m anomaly recorded over entire duration", "value": 7.26809523817542}, "mean_amp": {"name": "Mean anomaly amplitude", "description": "Mean t2m anomaly over entire duration", "value": 5.4847869650178405}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [25.04127485214258, 26.57052286656227, 27.004845926857172, 27.25172984014125, 27.03113296755066]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [25.76535420590693, 28.8374393521986, 29.408517080869785, 29.83052703367059, 28.93545078709144]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [4.8564829192052485, 5.268874938550046, 5.638983164186089, 5.771897593568784, 5.094749306082254]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [5.596086481973487, 6.8705014958144375, 7.26809523817542, 6.906127189130302, 5.617560471058653]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.3646471802510138, 1.4631369282333642, 1.5875353397128038, 1.6256071016460127, 1.4779654433142515]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [1.4768992275168997, 1.8129814313420536, 1.9209575405650603, 2.2738042459657306, 1.7593849460205644]}}