{"version_information": {"version": "det_AHW_tail10.0_v1.1", "compiled_date": "2026-07-16 09:04:20.717048", "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": "2015-Dec-03_to_2015-Dec-06_36.5_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": 2015120000114}, "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": "December 03 2015"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "December 06 2015"}, "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": 93788.61635417146}, "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": ["Mediterranean Sea - Eastern Basin"]}, "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": 36.5}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "36.5\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 31.25}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 36.75}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": 34.75}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": 39.75}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2015-12-03T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[30.97, 35.97], [30.75, 36.5], [30.97, 37.03], [31.5, 37.25], [31.75, 37.15], [31.82, 37.18], [31.97, 37.53], [32.5, 37.75], [33.03, 37.53], [33.18, 37.18], [33.3, 37.13], [33.47, 37.53], [33.88, 37.7], [33.75, 38.0], [33.97, 38.53], [34.5, 38.75], [34.75, 38.65], [34.82, 38.68], [34.85, 38.75], [34.75, 39.0], [34.97, 39.53], [35.32, 39.68], [35.47, 40.03], [36.0, 40.25], [36.53, 40.03], [36.68, 39.68], [37.03, 39.53], [37.25, 39.0], [37.15, 38.75], [37.25, 38.5], [37.03, 37.97], [36.5, 37.75], [37.03, 37.53], [37.25, 37.0], [37.03, 36.47], [36.68, 36.32], [36.53, 35.97], [36.18, 35.82], [36.03, 35.47], [35.68, 35.32], [35.65, 35.25], [35.75, 35.0], [35.53, 34.47], [35.0, 34.25], [34.75, 34.35], [34.5, 34.25], [33.97, 34.47], [33.82, 34.82], [33.47, 34.97], [33.32, 35.32], [32.97, 35.47], [32.82, 35.82], [32.5, 35.96], [32.0, 35.75], [31.75, 35.85], [31.5, 35.75], [30.97, 35.97]], [[36.25, 37.85], [36.0, 37.75], [35.75, 37.85], [35.68, 37.82], [35.65, 37.75], [35.75, 37.5], [35.63, 37.2], [35.75, 37.15], [35.82, 37.18], [35.97, 37.53], [36.5, 37.75], [36.25, 37.85]]]]}, "2015-12-04T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[30.97, 35.97], [30.75, 36.5], [30.97, 37.03], [31.5, 37.25], [31.75, 37.15], [31.82, 37.18], [31.97, 37.53], [32.32, 37.68], [32.47, 38.03], [33.0, 38.25], [33.25, 38.15], [33.32, 38.18], [33.47, 38.53], [34.0, 38.75], [34.25, 38.65], [34.5, 38.75], [34.75, 38.65], [34.82, 38.68], [34.85, 38.75], [34.75, 39.0], [34.85, 39.25], [34.75, 39.5], [34.97, 40.03], [35.5, 40.25], [35.75, 40.15], [36.0, 40.25], [36.53, 40.03], [36.68, 39.68], [37.03, 39.53], [37.25, 39.0], [37.15, 38.75], [37.25, 38.5], [37.03, 37.97], [36.5, 37.75], [37.03, 37.53], [37.25, 37.0], [37.03, 36.47], [36.68, 36.32], [36.53, 35.97], [36.18, 35.82], [36.03, 35.47], [35.68, 35.32], [35.65, 35.25], [35.75, 35.0], [35.53, 34.47], [35.0, 34.25], [34.75, 34.35], [34.5, 34.25], [33.97, 34.47], [33.82, 34.82], [33.47, 34.97], [33.32, 35.32], [32.97, 35.47], [32.82, 35.82], [32.5, 35.96], [32.0, 35.75], [31.75, 35.85], [31.5, 35.75], [30.97, 35.97]], [[36.25, 37.85], [36.0, 37.75], [35.75, 37.85], [35.68, 37.82], [35.65, 37.75], [35.68, 37.68], [36.0, 37.54], [36.5, 37.75], [36.25, 37.85]]]]}, "2015-12-05T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[30.97, 35.97], [30.75, 36.5], [30.97, 37.03], [31.5, 37.25], [31.75, 37.15], [31.82, 37.18], [31.97, 37.53], [32.32, 37.68], [32.47, 38.03], [33.0, 38.25], [33.25, 38.15], [33.32, 38.18], [33.47, 38.53], [34.0, 38.75], [34.25, 38.65], [34.5, 38.75], [34.75, 38.65], [34.82, 38.68], [34.85, 38.75], [34.75, 39.0], [34.85, 39.25], [34.75, 39.5], [34.97, 40.03], [35.5, 40.25], [35.75, 40.15], [36.0, 40.25], [36.53, 40.03], [36.68, 39.68], [37.03, 39.53], [37.25, 39.0], [37.15, 38.75], [37.25, 38.5], [37.03, 37.97], [36.5, 37.75], [37.03, 37.53], [37.25, 37.0], [37.03, 36.47], [36.68, 36.32], [36.53, 35.97], [36.18, 35.82], [36.03, 35.47], [35.68, 35.32], [35.65, 35.25], [35.75, 35.0], [35.53, 34.47], [35.0, 34.25], [34.75, 34.35], [34.5, 34.25], [33.97, 34.47], [33.82, 34.82], [33.47, 34.97], [33.32, 35.32], [32.97, 35.47], [32.82, 35.82], [32.5, 35.96], [32.0, 35.75], [31.75, 35.85], [31.5, 35.75], [30.97, 35.97]], [[36.25, 37.85], [36.0, 37.75], [35.75, 37.85], [35.68, 37.82], [35.65, 37.75], [35.68, 37.68], [36.0, 37.54], [36.5, 37.75], [36.25, 37.85]]]]}, "2015-12-06T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[32.47, 38.03], [33.0, 38.25], [33.25, 38.15], [33.32, 38.18], [33.47, 38.53], [34.0, 38.75], [34.25, 38.65], [34.5, 38.75], [34.75, 38.65], [34.82, 38.68], [34.85, 38.75], [34.75, 39.0], [34.85, 39.25], [34.75, 39.5], [34.97, 40.03], [35.5, 40.25], [35.75, 40.15], [36.0, 40.25], [36.53, 40.03], [36.68, 39.68], [37.03, 39.53], [37.25, 39.0], [37.15, 38.75], [37.25, 38.5], [37.03, 37.97], [36.5, 37.75], [36.25, 37.85], [36.0, 37.75], [35.75, 37.85], [35.68, 37.82], [35.63, 37.7], [36.03, 37.53], [36.25, 37.0], [36.03, 36.47], [35.5, 36.25], [34.97, 36.47], [34.75, 37.0], [34.88, 37.3], [34.75, 37.35], [34.5, 37.25], [34.25, 37.35], [34.18, 37.32], [34.04, 37.0], [34.25, 36.5], [34.03, 35.97], [33.5, 35.75], [32.97, 35.97], [32.82, 36.32], [32.47, 36.47], [32.25, 37.0], [32.35, 37.25], [32.25, 37.5], [32.47, 38.03]]]]}}}, "max_amp": {"name": "Maximum anomaly amplitude", "description": "Maximum t2m anomaly recorded over entire duration", "value": -10.310567768674616}, "mean_amp": {"name": "Mean anomaly amplitude", "description": "Mean t2m anomaly over entire duration", "value": -4.702624949833293}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [5.679182122150507, 4.726423714919235, 4.07959407164509, -2.871014277638892]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [-9.315202814762358, -8.459851875611946, -11.451701936136772, -9.758200658430553]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [-4.217149839517331, -4.383761538902884, -4.937162924798592, -5.919564615597892]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [-8.423348649233219, -7.4751537140952, -10.310567768674616, -8.421942146659035]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [-1.5447752272822461, -1.5807591173964868, -1.755295304857736, -1.6154211723067073]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [-2.127786712955285, -2.000455511935077, -2.513953302594049, -1.9956946579198676]}}