{"version_information": {"version": "det_AHW_v1.1", "compiled_date": "2026-03-19 18:26:18.102056", "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-Jul-02_to_2021-Jul-04_52.0_20.5"}, "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": 2021070001570}, "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 02 2021"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "July 04 2021"}, "duration": {"name": "Duration", "description": "Time elapsed (days) from the start date to the end date", "value": 3}, "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": 66855.96966727321}, "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": ["Saudi Arabia"]}, "continents_affected": {"name": "Continents affected", "description": "List of all continents affected", "value": ["Asia"]}, "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": 20.5}, "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": 52.0}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "52.0\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 48.5}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 52.5}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": 19.0}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": 21.5}, "polygons_merged": {"name": "Merged polygon", "description": "Merger or polygons at each time step", "value": {"type": "Polygon", "coordinates": [[[47.97, 20.03], [48.323, 20.177], [48.47, 20.53], [49.0, 20.75], [49.25, 20.646], [49.5, 20.75], [50.03, 20.53], [50.177, 20.177], [50.302, 20.125], [50.457, 20.5], [50.25, 21.0], [50.47, 21.53], [50.823, 21.677], [50.97, 22.03], [51.5, 22.25], [52.03, 22.03], [52.177, 21.677], [52.25, 21.646], [52.5, 21.75], [53.03, 21.53], [53.25, 21.0], [53.03, 20.47], [52.677, 20.323], [52.543, 20.0], [52.75, 19.5], [52.646, 19.25], [52.75, 19.0], [52.53, 18.47], [52.0, 18.25], [51.75, 18.354], [51.5, 18.25], [51.25, 18.354], [51.0, 18.25], [50.75, 18.354], [50.5, 18.25], [50.0, 18.457], [49.5, 18.25], [49.25, 18.354], [49.0, 18.25], [48.75, 18.354], [48.5, 18.25], [47.97, 18.47], [47.75, 19.0], [47.854, 19.25], [47.75, 19.5], [47.97, 20.03]]]}}, "IPCC_regions": {"name": "IPCC regions", "description": "List of all IPCC regions affected", "value": ["Arabian-Peninsula"]}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2021-07-02T11:30:00.000000000": {"type": "Polygon", "coordinates": [[[47.85355339059328, 19.25], [47.75, 19.5], 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"value": 2.6202267504023666}, "mean_amp": {"name": "Mean anomaly amplitude", "description": "Mean t2m anomaly over entire duration", "value": 1.849080735519155}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [38.35342892377645, 39.04213053259599, 38.74327073174885]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [38.825333971078805, 39.557645886773855, 39.777290813658]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [1.5438577578876518, 2.183828540202863, 1.8195559084669501]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [1.8054320409852949, 2.6202267504023666, 2.5617238097523227]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.2447371006512626, 1.7946455351847426, 1.5105191896492756]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [1.4349518473308778, 2.1869305918466875, 2.1131237583048432]}}