{"version_information": {"version": "det_AHW_tail10.0_v1.1", "compiled_date": "2026-07-16 09:06:27.475635", "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": "2016-Oct-31_to_2016-Nov-03_32.0_40.0"}, "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": 2016100000931}, "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": "October 31 2016"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "November 03 2016"}, "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": "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": 63178.40079702303}, "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": ["Turkiye"]}, "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": ["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": 40.0}, "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": 32.0}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "32.0\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 29.25}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 35.25}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": 39.75}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": 42.25}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2016-10-31T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[29.82, 41.18], [29.97, 41.53], [30.5, 41.75], [30.75, 41.65], 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42.15], [33.0, 42.25], [33.25, 42.15], [33.5, 42.25], [33.75, 42.15], [34.0, 42.25], [34.25, 42.15], [34.32, 42.18], [34.47, 42.53], [35.0, 42.75], [35.53, 42.53], [35.75, 42.0], [35.53, 41.47], [35.18, 41.32], [35.03, 40.97], [34.5, 40.75], [34.25, 40.85], [34.18, 40.82], [34.15, 40.75], [34.25, 40.5], [34.03, 39.97], [33.5, 39.75], [33.2, 39.88], [33.03, 39.47], [32.5, 39.25], [32.25, 39.35], [32.0, 39.25], [31.75, 39.35], [31.5, 39.25], [31.25, 39.35], [31.0, 39.25], [30.75, 39.35], [30.5, 39.25], [30.0, 39.46], [29.5, 39.25], [28.97, 39.47], [28.75, 40.0], [28.97, 40.53], [29.32, 40.68], [29.47, 41.03], [29.82, 41.18]]]]}, "2016-11-02T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[29.82, 41.18], [29.97, 41.53], [30.5, 41.75], [30.75, 41.65], [31.0, 41.75], [31.25, 41.65], [31.32, 41.68], [31.47, 42.03], [32.0, 42.25], [32.25, 42.15], [32.5, 42.25], [32.75, 42.15], [33.0, 42.25], [33.25, 42.15], [33.5, 42.25], [33.75, 42.15], [34.0, 42.25], [34.25, 42.15], [34.32, 42.18], [34.47, 42.53], [35.0, 42.75], [35.53, 42.53], [35.75, 42.0], [35.53, 41.47], [35.18, 41.32], [35.03, 40.97], [34.5, 40.75], [34.25, 40.85], [34.18, 40.82], [34.15, 40.75], [34.25, 40.5], [34.03, 39.97], [33.5, 39.75], [33.2, 39.88], [33.03, 39.47], [32.5, 39.25], [32.25, 39.35], [32.0, 39.25], [31.75, 39.35], [31.5, 39.25], [31.25, 39.35], [31.0, 39.25], [30.75, 39.35], [30.5, 39.25], [30.0, 39.46], [29.5, 39.25], [28.97, 39.47], [28.75, 40.0], [28.97, 40.53], [29.32, 40.68], [29.47, 41.03], [29.82, 41.18]]]]}, "2016-11-03T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[31.47, 39.47], [31.25, 40.0], [31.47, 40.53], [32.0, 40.75], [32.25, 40.65], [32.5, 40.75], [32.8, 40.63], [32.97, 41.03], [33.5, 41.25], [34.03, 41.03], [34.25, 40.5], [34.03, 39.97], [33.5, 39.75], [33.2, 39.88], [33.03, 39.47], [32.5, 39.25], [32.25, 39.35], [32.0, 39.25], [31.47, 39.47]]]]}}}, "max_amp": {"name": "Maximum anomaly amplitude", "description": "Maximum t2m anomaly recorded over entire duration", "value": -8.319690390763583}, "mean_amp": {"name": "Mean anomaly amplitude", "description": "Mean t2m anomaly over entire duration", "value": -6.170600578343439}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [4.154124555858061, 1.5884070660629277, 2.6238494853708403, 3.1557144932872347]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [0.8653824233701357, -1.851083640545255, -0.8658151568696439, 2.9143686371364197]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [-4.852965516861421, -7.339692003892396, -6.276483589281937, -5.236911141812489]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [-6.027197076137554, -8.319690390763583, -7.580175594943512, -5.689401642343]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [-1.4371150783505338, -2.172927816308616, -1.8656630975450825, -1.5389331569057287]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [-1.6533695219231603, -2.412717378264685, -2.284986580949084, -1.7134670850038198]}}