{"version_information": {"version": "det_AHW_v1.1", "compiled_date": "2026-04-05 16:21:30.025484", "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": "2022-Jul-02_to_2022-Jul-06_33.5_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": 2022070000209}, "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 2022"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "July 06 2022"}, "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": "Cold spell"}, "area": {"name": "Area", "description": "The area (in square meters) encompassing all grid points under the influence of an event during its lifetime.", "value": 62146.10867600337}, "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": ["T\u00fcrkiye"]}, "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": 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": 33.5}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "33.5\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 33.0}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 36.0}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": 38.0}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": 40.5}, "polygons_merged": {"name": "Merged polygon", "description": "Merger or polygons at each time step", "value": {"type": "MultiPolygon", "coordinates": [[[[35.75, 38.0], [35.53, 37.47], [35.0, 37.25], [34.47, 37.47], [34.32, 37.82], [34.25, 37.85], [34.0, 37.75], [33.75, 37.85], [33.68, 37.82], [33.53, 37.47], [33.0, 37.25], [32.47, 37.47], [32.25, 38.0], [32.35, 38.25], [32.25, 38.5], [32.35, 38.75], [32.25, 39.0], [32.35, 39.25], [32.25, 39.5], [32.47, 40.03], [33.0, 40.25], [33.25, 40.15], [33.32, 40.18], [33.47, 40.53], [34.0, 40.75], [34.25, 40.65], [34.32, 40.68], [34.47, 41.03], [35.0, 41.25], [35.25, 41.15], [35.5, 41.25], [35.75, 41.15], [36.0, 41.25], [36.53, 41.03], [36.75, 40.5], [36.65, 40.25], [36.75, 40.0], [36.65, 39.75], [36.75, 39.5], [36.53, 38.97], [36.0, 38.75], [35.75, 38.85], [35.68, 38.82], [35.54, 38.5], [35.75, 38.0]]]]}}, "IPCC_regions": {"name": "IPCC regions", "description": "List of all IPCC regions affected", "value": ["Mediterranean"]}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2022-07-02T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[34.47, 38.53], [35.0, 38.75], [35.53, 38.53], [35.75, 38.0], [35.53, 37.47], [35.0, 37.25], [34.47, 37.47], [34.25, 38.0], [34.47, 38.53]]]]}, "2022-07-03T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[32.25, 38.5], [32.35, 38.75], [32.25, 39.0], [32.35, 39.25], [32.25, 39.5], [32.47, 40.03], [33.0, 40.25], [33.25, 40.15], [33.32, 40.18], [33.47, 40.53], [34.0, 40.75], [34.25, 40.65], [34.32, 40.68], [34.47, 41.03], [35.0, 41.25], [35.25, 41.15], [35.5, 41.25], [35.75, 41.15], [36.0, 41.25], [36.53, 41.03], [36.75, 40.5], [36.65, 40.25], [36.75, 40.0], [36.65, 39.75], [36.75, 39.5], [36.53, 38.97], [36.0, 38.75], [35.75, 38.85], [35.68, 38.82], [35.54, 38.5], [35.75, 38.0], [35.53, 37.47], [35.0, 37.25], [34.47, 37.47], [34.32, 37.82], [34.25, 37.85], [34.0, 37.75], [33.75, 37.85], [33.68, 37.82], [33.53, 37.47], [33.0, 37.25], [32.47, 37.47], [32.25, 38.0], [32.35, 38.25], [32.25, 38.5]]]]}, "2022-07-04T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[32.25, 38.5], [32.35, 38.75], [32.25, 39.0], [32.35, 39.25], [32.25, 39.5], [32.47, 40.03], [33.0, 40.25], [33.25, 40.15], [33.32, 40.18], [33.47, 40.53], [34.0, 40.75], [34.25, 40.65], [34.32, 40.68], [34.47, 41.03], [35.0, 41.25], [35.25, 41.15], [35.5, 41.25], [35.75, 41.15], [36.0, 41.25], [36.53, 41.03], [36.75, 40.5], [36.65, 40.25], [36.75, 40.0], [36.65, 39.75], [36.75, 39.5], [36.53, 38.97], [36.0, 38.75], [35.75, 38.85], [35.68, 38.82], [35.54, 38.5], [35.75, 38.0], [35.53, 37.47], [35.0, 37.25], [34.47, 37.47], [34.32, 37.82], [34.25, 37.85], [34.0, 37.75], [33.75, 37.85], [33.68, 37.82], [33.53, 37.47], [33.0, 37.25], [32.47, 37.47], [32.25, 38.0], [32.35, 38.25], [32.25, 38.5]]]]}, "2022-07-05T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[32.25, 38.5], [32.35, 38.75], [32.25, 39.0], [32.35, 39.25], [32.25, 39.5], [32.47, 40.03], [33.0, 40.25], [33.25, 40.15], [33.32, 40.18], [33.47, 40.53], [34.0, 40.75], [34.25, 40.65], [34.32, 40.68], [34.47, 41.03], [35.0, 41.25], [35.25, 41.15], [35.5, 41.25], [35.75, 41.15], [36.0, 41.25], [36.53, 41.03], [36.75, 40.5], [36.65, 40.25], [36.75, 40.0], [36.65, 39.75], [36.75, 39.5], [36.53, 38.97], [36.0, 38.75], [35.75, 38.85], [35.68, 38.82], [35.53, 38.47], [35.18, 38.32], [35.03, 37.97], [34.5, 37.75], [34.25, 37.85], [34.0, 37.75], [33.75, 37.85], [33.68, 37.82], [33.53, 37.47], [33.0, 37.25], [32.47, 37.47], [32.25, 38.0], [32.35, 38.25], [32.25, 38.5]]]]}, "2022-07-06T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[33.97, 39.53], [34.5, 39.75], [35.03, 39.53], [35.25, 39.0], [35.03, 38.47], [34.5, 38.25], [34.2, 38.38], [34.03, 37.97], [33.5, 37.75], [32.97, 37.97], [32.75, 38.5], [32.97, 39.03], [33.5, 39.25], [33.8, 39.13], [33.97, 39.53]]]]}}}, "max_amp": {"name": "Maximum anomaly amplitude", "description": "Maximum t2m anomaly recorded over entire duration", "value": -4.757124999704274}, "mean_amp": {"name": "Mean anomaly amplitude", "description": "Mean t2m anomaly over entire duration", "value": -3.74542259828632}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [15.705820986937624, 18.45360099312461, 18.146430122612855, 19.106669864130026, 21.51212861493883]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [15.705820986937624, 13.956052394771973, 13.72154232372651, 14.666941372206395, 20.92852200020269]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [-3.2484213186726265, -3.668532457702263, -4.1406553958208026, -3.510665734168165, -2.7899294992145656]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [-3.2484213186726265, -4.244656613440327, -4.757124999704274, -4.071873737533565, -2.9471462753438686]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [-1.3488334856400637, -1.5318665771418905, -1.7594151998417413, -1.4702503058612577, -1.2802494766140171]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [-1.3488334856400637, -1.7661444504825163, -2.0301859383901655, -1.7030728560597657, -1.3501514240149892]}}